Trojan.Agent.CDTD_57b28b1091 – Adaware

Dynamic Analysis

Payload

No specific payload has been found.

Process activity

The Trojan creates the following process(es):No processes have been created.The Trojan injects its code into the following process(es):

%original file name%.exe:2060
RegAsm.exe:264

Mutexes

The following mutexes were created/opened:No objects were found.

File activity

The process %original file name%.exe:2060 makes changes in the file system.

The Trojan creates and/or writes to the following file(s):

C:\Users\"%CurrentUserName%"\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\yqIC59wd6W.eu.url (86 bytes)
C:\Users\"%CurrentUserName%"\AppData\Roaming\File Name.exe (1 bytes)
C:\Users\"%CurrentUserName%"\AppData\Local\Temp\Vb4p.Xx (1281 bytes)
C:\Users\"%CurrentUserName%"\AppData\Local\Temp\aut7934.tmp (2609 bytes)
C:\Users\"%CurrentUserName%"\AppData\Roaming\yqIC59wd6W\yqIC59wd6W.exe (1 bytes)

The Trojan deletes the following file(s):

C:\Users\"%CurrentUserName%"\AppData\Local\Temp\aut7934.tmp (0 bytes)

The process RegAsm.exe:264 makes changes in the file system.

The Trojan creates and/or writes to the following file(s):

%Program Files%\DPI Service\dpisv.exe (53 bytes)
C:\Users\"%CurrentUserName%"\AppData\Local\Temp\tmp7A2E.tmp (1 bytes)
C:\Users\"%CurrentUserName%"\AppData\Roaming\88DCD395-B062-45B3-A6CD-79F37C0EBA08\task.dat (56 bytes)
C:\Users\"%CurrentUserName%"\AppData\Local\Temp\tmp7A9C.tmp (1 bytes)
C:\Users\"%CurrentUserName%"\AppData\Roaming\88DCD395-B062-45B3-A6CD-79F37C0EBA08\run.dat (8 bytes)

The Trojan deletes the following file(s):

C:\Users\"%CurrentUserName%"\AppData\Local\Temp\tmp7A2E.tmp (0 bytes)
C:\Users\"%CurrentUserName%"\AppData\Local\Temp\tmp7A9C.tmp (0 bytes)

Registry activity

The process %original file name%.exe:2060 makes changes in the system registry.

The Trojan creates and/or sets the following values in system registry:

To automatically run itself each time Windows is booted, the Trojan adds the following link to its file to the system registry autorun key:

[HKCU\Software\Microsoft\Windows\CurrentVersion\Run]
"59" = "C:\Users\"%CurrentUserName%"\AppData\Roaming\File Name.exe"

The process RegAsm.exe:264 makes changes in the system registry.

The Trojan creates and/or sets the following values in system registry:

To automatically run itself each time Windows is booted, the Trojan adds the following link to its file to the system registry autorun key:

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run]
"DPI Service" = "%Program Files%\DPI Service\dpisv.exe"

Dropped PE files

MD5	File path
278edbd499374bf73621f8c1f969d894	c:\Program Files\DPI Service\dpisv.exe

HOSTS file anomalies

No changes have been detected.

Rootkit activity

No anomalies have been detected.

Propagation

Removals

Remove it with Ad-Aware

Click (here) to download and install Ad-Aware Free Antivirus.
Update the definition files.
Run a full scan of your computer.

Manual removal*

Terminate malicious process(es) (How to End a Process With the Task Manager):No processes have been created.
Delete the original Trojan file.
Delete or disinfect the following files created/modified by the Trojan:
C:\Users\"%CurrentUserName%"\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\yqIC59wd6W.eu.url (86 bytes)
C:\Users\"%CurrentUserName%"\AppData\Roaming\File Name.exe (1 bytes)
C:\Users\"%CurrentUserName%"\AppData\Local\Temp\Vb4p.Xx (1281 bytes)
C:\Users\"%CurrentUserName%"\AppData\Local\Temp\aut7934.tmp (2609 bytes)
C:\Users\"%CurrentUserName%"\AppData\Roaming\yqIC59wd6W\yqIC59wd6W.exe (1 bytes)
%Program Files%\DPI Service\dpisv.exe (53 bytes)
C:\Users\"%CurrentUserName%"\AppData\Local\Temp\tmp7A2E.tmp (1 bytes)
C:\Users\"%CurrentUserName%"\AppData\Roaming\88DCD395-B062-45B3-A6CD-79F37C0EBA08\task.dat (56 bytes)
C:\Users\"%CurrentUserName%"\AppData\Local\Temp\tmp7A9C.tmp (1 bytes)
C:\Users\"%CurrentUserName%"\AppData\Roaming\88DCD395-B062-45B3-A6CD-79F37C0EBA08\run.dat (8 bytes)
Delete the following value(s) in the autorun key (How to Work with System Registry):
[HKCU\Software\Microsoft\Windows\CurrentVersion\Run]
"59" = "C:\Users\"%CurrentUserName%"\AppData\Roaming\File Name.exe"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run]
"DPI Service" = "%Program Files%\DPI Service\dpisv.exe"
Clean the Temporary Internet Files folder, which may contain infected files (How to clean Temporary Internet Files folder).
Reboot the computer.

*Manual removal may cause unexpected system behaviour and should be performed at your own risk.

Static Analysis

VersionInfo

Company Name:
Product Name:
Product Version:
Legal Copyright:
Legal Trademarks:
Original Filename:
Internal Name:
File Version:
File Description:
Comments:
Language: Russian (Russia)

Company Name: Product Name: Product Version: Legal Copyright: Legal Trademarks: Original Filename: Internal Name: File Version: File Description: Comments: Language: Russian (Russia)

PE Sections

Name	Virtual Address	Virtual Size	Raw Size	Entropy	Section MD5
.text	4096	573044	573440	4.63126	74af66fa540568c59b3868e78900e476
.rdata	577536	182122	182272	4.0072	576c856afaad699ad9fe099fc6a9ce33
.data	761856	40756	25088	1.38934	e6d2e204147f7cdc3055011093632f54
.rsrc	802816	592504	592896	5.46036	463e6d076c387943bc41e4bfd9cb9e8a
.reloc	1396736	42082	42496	3.63105	c2f6ddaeef894b7510c3be928eeae5dd

Dropped from:

Downloaded by:

Similar by SSDeep:

Similar by Lavasoft Polymorphic Checker:

Network Activity

URLs

URL	IP
kk22.ddns.net	178.175.138.209
dns.msftncsi.com	131.107.255.255

IDS verdicts (Suricata alerts: Emerging Threats ET ruleset)

Traffic

Map

The Trojan connects to the servers at the folowing location(s):

Strings from Dumps

%original file name%.exe_2060:

.text

`.rdata

@.data

.rsrc

@.reloc

PSSSSSSh

Gt.Ht$

t.jGZf;

PSSShD

PVSShD

f;Crt

Dw.AEw

Bv.SCv

?#%X.y

GetProcessWindowStation

operator

This is a compiled AutoIt script. AV researchers please email avsupport@autoitscript.com for support.

kernel32.dll

oleaut32.dll

RegDeleteKeyExW

advapi32.dll

Error text not found (please report)

operand of unlimited repeat could match the empty string

POSIX named classes are supported only within a class

erroffset passed as NULL

POSIX collating elements are not supported

this version of PCRE is compiled without UTF support

PCRE does not support \L, \l, \N{name}, \U, or \u

support for \P, \p, and \X has not been compiled

this version of PCRE is not compiled with Unicode property support

\N is not supported in a class

WSOCK32.dll

VERSION.dll

WINMM.dll

COMCTL32.dll

MPR.dll

InternetCrackUrlW

HttpQueryInfoW

HttpOpenRequestW

HttpSendRequestW

FtpOpenFileW

FtpGetFileSize

InternetOpenUrlW

WININET.dll

PSAPI.DLL

IPHLPAPI.DLL

USERENV.dll

UxTheme.dll

GetProcessHeap

CreatePipe

GetWindowsDirectoryW

KERNEL32.dll

OpenWindowStationW

SetProcessWindowStation

CloseWindowStation

MapVirtualKeyW

EnumChildWindows

EnumWindows

VkKeyScanW

GetKeyState

GetKeyboardState

SetKeyboardState

GetAsyncKeyState

keybd_event

EnumThreadWindows

ExitWindowsEx

UnregisterHotKey

RegisterHotKey

GetKeyboardLayoutNameW

USER32.dll

SetViewportOrgEx

GDI32.dll

COMDLG32.dll

RegOpenKeyExW

RegCloseKey

RegCreateKeyExW

RegEnumKeyExW

RegDeleteKeyW

ADVAPI32.dll

ShellExecuteW

SHFileOperationW

ShellExecuteExW

SHELL32.dll

ole32.dll

OLEAUT32.dll

GetCPInfo

zcÃ

.ueU"

1)nE:r%x

Hh.rL

.zvu*H

Y'.dh

tT.DE

:.Bx,^L

)uT.oKZ

C0j1%X#

|%COS

uU.hV

%SLGA

.sZ/cU4

.GkQ:

.SkrG

z.FzY

F?i.bo\

>uD%fO

.vi?3AT

Ãžk;[

U#b%F!

%D$s_X

xC5%u

.Mstl

yn.Fp

1{e%c

-DaO}

nS3[R%f

}M.Yo

.bQY#

&(%.hD

%".Cc

.ZI7$"

Or.Ge

u.nmW`xL

uI0`%U

/w.qX

"tf0 %dVP,o

Y9Oo%D

.dY#b

Kh.wqUK

1V.ddY

-(hS-TV}

.RN)|)

;wURL

Cmd2*

w F.jC

2 3(393@3

5"5(5,52565

5W5C5V5_5r5

9â€™9S9x9

9 9$9(9,9094989

1/2g2

: :$:(:,:0:4:8:<:>

7-747v7}7

mscoree.dll

combase.dll

- CRT not initialized

- Attempt to initialize the CRT more than once.

- floating point support not loaded

USER32.DLL

>>>AUTOIT NO CMDEXECUTE

CMDLINERAW

CMDLINE

/AutoIt3ExecuteLine

/AutoIt3ExecuteScript

APPSKEY

789:;?

FTPSETPROXY

GUICTRLRECVMSG

GUICTRLSENDMSG

GUIGETMSG

GUIREGISTERMSG

HOTKEYSET

HTTPSETPROXY

HTTPSETUSERAGENT

ISKEYWORD

MSGBOX

REGENUMKEY

SHELLEXECUTE

SHELLEXECUTEWAIT

TCPACCEPT

TCPCLOSESOCKET

TCPCONNECT

TCPLISTEN

TCPNAMETOIP

TCPRECV

TCPSEND

TCPSHUTDOWN

TCPSTARTUP

TRAYGETMSG

UDPBIND

UDPCLOSESOCKET

UDPOPEN

UDPRECV

UDPSEND

UDPSHUTDOWN

UDPSTARTUP

SendKeyDelay

SendKeyDownDelay

TCPTimeout

WINDOWSDIR

AUTOITEXE

HOTKEYPRESSED

%s (%d) : ==> %s.:

Line %d:

Line %d (File "%s"):

%s (%d) : ==> %s:

AutoIt script files (*.au3, *.a3x)

*.au3;*.a3x

All files (*.*)

04090000

%u.%u.%u.%u

0.0.0.0

Mddddd

"%s" (%d) : ==> %s:

\??\%s

GUI_RUNDEFMSG

AUTOITCALLVARIABLE%d

255.255.255.255

Keyword

AUTOIT.ERROR

Null Object assignment in FOR..IN loop

Incorrect Object type in FOR..IN loop

3, 3, 10, 2

HKEY_LOCAL_MACHINE

HKEY_CLASSES_ROOT

HKEY_CURRENT_CONFIG

HKEY_CURRENT_USER

HKEY_USERS

%d/d/d

c:\%original file name%.exe

uC:\%original file name%.exe

AutoIt supports the __stdcall (WINAPI) and __cdecl calling conventions. The __stdcall (WINAPI) convention is used by default but __cdecl can be used instead. See the DllCall() documentation for details on changing the calling convention.

Missing operator in expression."Unbalanced brackets in expression.

Error parsing function call.0Incorrect number of parameters in function call.'"ReDim" used without an array variable.>Illegal text at the end of statement (one statement per line).1"If" statement has no matching "EndIf" statement.1"Else" statement with no matching "If" statement.2"EndIf" statement with no matching "If" statement.7Too many "Else" statements for matching "If" statement.3"While" statement has no matching "Wend" statement.4"Wend" statement with no matching "While" statement.%Variable used without being declared.XArray variable has incorrect number of subscripts or subscript dimension range exceeded.#Variable subscript badly formatted.*Subscript used on non-accessible variable.&Too many subscripts used for an array.0Missing subscript dimensions in "Dim" statement.NNo variable given for "Dim", "Local", "Global", "Struct" or "Const" statement.

0Expected a "=" operator in assignment statement.*Invalid keyword at the start of this line.

Invalid element in a DllStruct.*Unknown option or bad parameter specified.&Unable to load the internet libraries./"Struct" statement has no matching "EndStruct".HUnable to open file, the maximum number of open files has been exceeded.K"ContinueLoop" statement with no matching "While", "Do" or "For" statement.

Invalid file filter given.*Expected a variable in user function call.1"Do" statement has no matching "Until" statement.2"Until" statement with no matching "Do" statement.#"For" statement is badly formatted.2"Next" statement with no matching "For" statement.N"ExitLoop/ContinueLoop" statements only valid from inside a For/Do/While loop.1"For" statement has no matching "Next" statement.@"Case" statement with no matching "Select"or "Switch" statement.:"EndSelect" statement with no matching "Select" statement.ORecursion level has been exceeded - AutoIt will quit to prevent stack overflow.&Cannot make existing variables static.4Cannot make static variables into regular variables.

3This keyword cannot be used after a "Then" keyword.>"Select" statement is missing "EndSelect" or "Case" statement. "If" statements must have a "Then" keyword. Badly formated Struct statement."Cannot assign values to constants..Cannot make existing variables into constants.9Only Object-type variables allowed in a "With" statement.v"long_ptr", "int_ptr" and "short_ptr" DllCall() types have been deprecated. Use "long*", "int*" and "short*" instead.-Object referenced outside a "With" statement.)Nested "With" statements are not allowed."Variable must be of type "Object".1The requested action with this object has failed.8Variable appears more than once in function declaration.2ReDim array can not be initialized in this manner.1An array variable can not be used in this manner.

Can not redeclare a constant.5Can not redeclare a parameter inside a user function.HCan pass constants by reference only to parameters with "Const" keyword.*Can not initialize a variable with itself.$Incorrect way to use this parameter.:"EndSwitch" statement with no matching "Switch" statement.>"Switch" statement is missing "EndSwitch" or "Case" statement.H"ContinueCase" statement with no matching "Select"or "Switch" statement.

String missing closing quote.!Badly formated variable or macro.*Missing separator character after keyword.

%original file name%.exe_2060_rwx_001C0000_00001000:

.dllP

l.dlf

32.df

RegAsm.exe_264:

.text

`.rsrc

@.reloc

lSystem.Resources.ResourceReader, mscorlib, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089#System.Resources.RuntimeResourceSet

Hi.BC

U .mE8

`_%CJt.s[k

|%f-w@J

.sEJ1

v2.0.50727

Client.exe

Microsoft.VisualBasic

System.Windows.Forms

System.Drawing

kernel32.dll

ntdll.dll

advapi32.dll

dnsapi.dll

ClientLoaderForm.resources

Data.bin

System.Collections.Generic

System.Threading

System.IO

System.Reflection

.cctor

.ctor

Microsoft.VisualBasic.CompilerServices

OperatingSystem

KeyValuePair`2

get_Key

System.Runtime.CompilerServices

ContainsKey

GetExecutingAssembly

System.Runtime.InteropServices

System.Security.Cryptography

set_Key

get_ExecutablePath

System.Diagnostics

System.Text

#=qm6cMdwzy4QEgEsJ4KIxlPriZUxRAjJ4mjAjsheCHsqouDra9er_BXVzVxy8auSxH

RegistryKey

Microsoft.Win32

OpenSubKey

WindowsPrincipal

System.Security.Principal

WindowsIdentity

WindowsBuiltInRole

System.Net

set_UseShellExecute

set_WindowStyle

ProcessWindowStyle

Operators

#=qRNx8ExewNxyo8bS8$cgizw==

#=q6wR5WMLGkL9afTpqmWsw9g==

#=q_1LTXwzhuO0nF_SwW1ocRbJi5v$XHUi1UbL$5xENnSv892kmsg0Nm6v7Tg5HxkMi

#=qaT4OFBU0PF4MHRO6TOUvhdz2Cu0KkUrlUnMYQMxYMZQ=

System.IO.Compression

#=qJfI1eLiWkGmLl60$sQldvA==

#=qo4XFZP2G5M25zhOssd53KwpiPEgR8Zwgl2VbHoeMbcY=

NanoCore.ClientPlugin

NanoCore.ClientPluginHost

SetThreadExecutionState

RegOpenKeyEx

RegCloseKey

#=q0X4LisqZNNt1zLwhOFkBMxHKxixDL4BgUJJbpPyNO19AkWZiW0cMDOB$XA$9LTja

#=qRbK1pHeCUJv6$EcByO8_JdR5XT3WgIjPF0mIur6Rkog7d3L2fdXeSUkfYBljssHf

Microsoft.VisualBasic.ApplicationServices

System.CodeDom.Compiler

System.ComponentModel

#=qVWebj7BR6G9tSUNk2Lnacg==

System.Collections

InvalidOperationException

#=qhsHLxaYMtOjftPZQp_HbIg==

PipeCreated

PipeClosed

ClosePipe

PipeExists

System.Security.AccessControl

#=qABWSXHtxH1De9FMSGaMCNw==

#=qstDMCxTGnVSbUryaDlkkSUdPBtnajGRymCJndCe3hDY=

Microsoft.VisualBasic.Devices

GetPublicKeyToken

System.Net.Sockets

CreatePipe

get_Port

#=qI6XJ42uouSrWEbZOW6U22w==

#=qNXLPZACYgf0$tcPQ4W4sDA==

get_LastOperation

SocketAsyncOperation

#=qhVw5sHtcPAYRkfUaC7aKLg==

#=qYl871DHkBPV0lRcrTGP7ZQ==

#=q9KRGmVxkJ4HCgdA8LSSshA==

set_WindowState

FormWindowState

8.0.0.0

4System.Web.Services.Protocols.SoapHttpClientProtocol

System.Windows.Forms.Form

My.MyProject.Forms

$62c4fc30-1a1e-4849-8bde-229b8dae3ed0

1.2.2.6

_CorExeMain

mscoree.dll

If you want to change the Windows User Account Control level replace the

requestedExecutionLevel node with one of the following.

Specifying requestedExecutionLevel node will disable file and registry virtualization.

compatibility then delete the requestedExecutionLevel node.

Windows will automatically select the most compatible environment.-->

name="Microsoft.Windows.Common-Controls"

version="6.0.0.0"

publicKeyToken="6595b64144ccf1df"

(')'*) '-,/.0.1.2.3.4.5.6.;?;@;A;B;C;D;E;F;

RegAsm.exe_264_rwx_003A2000_00009000:

.EippEi

RegAsm.exe_264_rwx_00400000_0003C000:

.text

`.rsrc

@.reloc

lSystem.Resources.ResourceReader, mscorlib, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089#System.Resources.RuntimeResourceSet

Hi.BC

U .mE8

`_%CJt.s[k

|%f-w@J

.sEJ1

v2.0.50727

Client.exe

Microsoft.VisualBasic

System.Windows.Forms

System.Drawing

kernel32.dll

ntdll.dll

advapi32.dll

dnsapi.dll

ClientLoaderForm.resources

Data.bin

System.Collections.Generic

System.Threading

System.IO

System.Reflection

.cctor

.ctor

Microsoft.VisualBasic.CompilerServices

OperatingSystem

KeyValuePair`2

get_Key

System.Runtime.CompilerServices

ContainsKey

GetExecutingAssembly

System.Runtime.InteropServices

System.Security.Cryptography

set_Key

get_ExecutablePath

System.Diagnostics

System.Text

#=qm6cMdwzy4QEgEsJ4KIxlPriZUxRAjJ4mjAjsheCHsqouDra9er_BXVzVxy8auSxH

RegistryKey

Microsoft.Win32

OpenSubKey

WindowsPrincipal

System.Security.Principal

WindowsIdentity

WindowsBuiltInRole

System.Net

set_UseShellExecute

set_WindowStyle

ProcessWindowStyle

Operators

#=qRNx8ExewNxyo8bS8$cgizw==

#=q6wR5WMLGkL9afTpqmWsw9g==

#=q_1LTXwzhuO0nF_SwW1ocRbJi5v$XHUi1UbL$5xENnSv892kmsg0Nm6v7Tg5HxkMi

#=qaT4OFBU0PF4MHRO6TOUvhdz2Cu0KkUrlUnMYQMxYMZQ=

System.IO.Compression

#=qJfI1eLiWkGmLl60$sQldvA==

#=qo4XFZP2G5M25zhOssd53KwpiPEgR8Zwgl2VbHoeMbcY=

NanoCore.ClientPlugin

NanoCore.ClientPluginHost

SetThreadExecutionState

RegOpenKeyEx

RegCloseKey

#=q0X4LisqZNNt1zLwhOFkBMxHKxixDL4BgUJJbpPyNO19AkWZiW0cMDOB$XA$9LTja

#=qRbK1pHeCUJv6$EcByO8_JdR5XT3WgIjPF0mIur6Rkog7d3L2fdXeSUkfYBljssHf

Microsoft.VisualBasic.ApplicationServices

System.CodeDom.Compiler

System.ComponentModel

#=qVWebj7BR6G9tSUNk2Lnacg==

System.Collections

InvalidOperationException

#=qhsHLxaYMtOjftPZQp_HbIg==

PipeCreated

PipeClosed

ClosePipe

PipeExists

System.Security.AccessControl

#=qABWSXHtxH1De9FMSGaMCNw==

#=qstDMCxTGnVSbUryaDlkkSUdPBtnajGRymCJndCe3hDY=

Microsoft.VisualBasic.Devices

GetPublicKeyToken

System.Net.Sockets

CreatePipe

get_Port

#=qI6XJ42uouSrWEbZOW6U22w==

#=qNXLPZACYgf0$tcPQ4W4sDA==

get_LastOperation

SocketAsyncOperation

#=qhVw5sHtcPAYRkfUaC7aKLg==

#=qYl871DHkBPV0lRcrTGP7ZQ==

#=q9KRGmVxkJ4HCgdA8LSSshA==

set_WindowState

FormWindowState

8.0.0.0

4System.Web.Services.Protocols.SoapHttpClientProtocol

System.Windows.Forms.Form

My.MyProject.Forms

$62c4fc30-1a1e-4849-8bde-229b8dae3ed0

1.2.2.6

_CorExeMain

mscoree.dll

If you want to change the Windows User Account Control level replace the

requestedExecutionLevel node with one of the following.

Specifying requestedExecutionLevel node will disable file and registry virtualization.

compatibility then delete the requestedExecutionLevel node.

Windows will automatically select the most compatible environment.-->

name="Microsoft.Windows.Common-Controls"

version="6.0.0.0"

publicKeyToken="6595b64144ccf1df"

(')'*) '-,/.0.1.2.3.4.5.6.;?;@;A;B;C;D;E;F;

Summary

Dynamic Analysis

Removals

Static Analysis

Network Activity

Map

Strings from Dumps