Gen.Variant.Kazy.165_2d00ce4d19 – Adaware

Dynamic Analysis

Payload

No specific payload has been found.

Process activity

The Trojan creates the following process(es):

pavo.exe:1872
%original file name%.exe:1808

The Trojan injects its code into the following process(es):

Explorer.EXE:880

Mutexes

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

File activity

The process %original file name%.exe:1808 makes changes in the file system.

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

%Documents and Settings%\%current user%\Local Settings\Temp\tmpd7cb9614.bat (177 bytes)
%Documents and Settings%\%current user%\Application Data\Aqubdo\pavo.exe (141 bytes)

Registry activity

The process pavo.exe:1872 makes changes in the system registry.

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

[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "86 61 1E 8D BD D2 8E FD EA F9 22 A5 2C 17 D9 C4"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"AppData" = "%Documents and Settings%\%current user%\Application Data"

The process %original file name%.exe:1808 makes changes in the system registry.

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

[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "B7 45 21 48 A3 2B 8F D8 9C 76 B1 0A 1A 9D 53 2D"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"AppData" = "%Documents and Settings%\%current user%\Application Data"

[HKCU\Software\Microsoft\Veuga]
"Doryypi" = "27 1E F1 ED 8E DC 7B 73 56 D5 B4 C9 4A 79 2C 08"

Dropped PE files

MD5	File path
70fbabc1df7751a2678b0f8f3107924d	c:\Documents and Settings\"%CurrentUserName%"\Application Data\Aqubdo\pavo.exe

HOSTS file anomalies

No changes have been detected.

Rootkit activity

The Trojan installs the following user-mode hooks in WININET.dll:

HttpSendRequestExA
HttpSendRequestW
InternetReadFileExA
InternetQueryDataAvailable
HttpSendRequestExW
InternetReadFile
HttpQueryInfoA
HttpSendRequestA
InternetCloseHandle

The Trojan installs the following user-mode hooks in CRYPT32.dll:

PFXImportCertStore

The Trojan installs the following user-mode hooks in USER32.dll:

SetCursorPos
DefMDIChildProcA
DefFrameProcA
DefDlgProcA
GetClipboardData
DefMDIChildProcW
DefFrameProcW
GetUpdateRgn
RegisterClassA
GetDCEx
ReleaseCapture
SetCapture
DefWindowProcA
CallWindowProcA
GetUpdateRect
PeekMessageA
CallWindowProcW
GetMessagePos
GetCursorPos
EndPaint
BeginPaint
DefWindowProcW
RegisterClassExA
GetMessageA
DefDlgProcW
SwitchDesktop
OpenInputDesktop
RegisterClassExW
RegisterClassW
GetCapture
PeekMessageW
GetMessageW
GetWindowDC
TranslateMessage
GetDC
ReleaseDC

The Trojan installs the following user-mode hooks in WS2_32.dll:

WSASend
send
closesocket

The Trojan installs the following user-mode hooks in kernel32.dll:

GetFileAttributesExW

The Trojan installs the following user-mode hooks in ntdll.dll:

LdrLoadDll
NtCreateThread

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*

Scan a system with an anti-rootkit tool.
Terminate malicious process(es) (How to End a Process With the Task Manager):
pavo.exe:1872
%original file name%.exe:1808
Delete the original Trojan file.
Delete or disinfect the following files created/modified by the Trojan:
%Documents and Settings%\%current user%\Local Settings\Temp\tmpd7cb9614.bat (177 bytes)
%Documents and Settings%\%current user%\Application Data\Aqubdo\pavo.exe (141 bytes)
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

No information is available.

PE Sections

Name	Virtual Address	Virtual Size	Raw Size	Entropy	Section MD5
.text	4096	132708	133120	4.65354	92810ea526fe1a5d94fd3ef73eb55bfc
.data	139264	8276	1024	1.12216	0f6ee31e5641ac65e39c6b358fdcfcb0
.reloc	151552	5738	6144	3.90719	6aca691636f83486a3559fd326d0667d

Dropped from:

Downloaded by:

Similar by SSDeep:

Similar by Lavasoft Polymorphic Checker:

Total found: 1
0fd78c058c4ea1d86d4c41db5018a518

Network Activity

URLs

URL	IP
hxxp://82.165.37.26/bot/config.bin
hxxp://senglab.info/bot/config.bin	82.165.37.26

IDS verdicts (Suricata alerts: Emerging Threats ET ruleset)

Traffic

GET /bot/config.bin HTTP/1.1

Accept: */*

Connection: Close

User-Agent: Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1; .NET CLR 2.0.50727; .NET CLR 3.0.04506.648; .NET CLR 3.5.21022; .NET4.0C)

Host: senglab.info

Cache-Control: no-cache

HTTP/1.1 404 Not Found

Server: nginx/1.6.2

Date: Sat, 27 Sep 2014 13:49:33 GMT

Content-Type: text/html

Content-Length: 570

Connection: close

<html>..<head><title>404 Not Found</title></head>..<body bgcolor="white">..<center><h1>404 Not Found</h1></center>..<hr><center>nginx/1.6.0</center>..</body>..</html>................

GET /bot/config.bin HTTP/1.1

Accept: */*

Connection: Close

User-Agent: Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1; .NET CLR 2.0.50727; .NET CLR 3.0.04506.648; .NET CLR 3.5.21022; .NET4.0C)

Host: senglab.info

Cache-Control: no-cache

HTTP/1.1 404 Not Found

Server: nginx/1.6.2

Date: Sat, 27 Sep 2014 13:49:33 GMT

Content-Type: text/html

Content-Length: 570

Connection: close

<html>..<head><title>404 Not Found</title></head>..<body bgcolor="white">..<center><h1>404 Not Found</h1></center>..<hr><center>nginx/1.6.0</center>..</body>..</html>................

GET /bot/config.bin HTTP/1.1

Accept: */*

Connection: Close

User-Agent: Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1; .NET CLR 2.0.50727; .NET CLR 3.0.04506.648; .NET CLR 3.5.21022; .NET4.0C)

Host: senglab.info

Cache-Control: no-cache

HTTP/1.1 404 Not Found

Server: nginx/1.6.2

Date: Sat, 27 Sep 2014 13:49:44 GMT

Content-Type: text/html

Content-Length: 570

Connection: close

<html>..<head><title>404 Not Found</title></head>..<body bgcolor="white">..<center><h1>404 Not Found</h1></center>..<hr><center>nginx/1.6.0</center>..</body>..</html>................

GET /bot/config.bin HTTP/1.1

Accept: */*

Connection: Close

User-Agent: Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1; .NET CLR 2.0.50727; .NET CLR 3.0.04506.648; .NET CLR 3.5.21022; .NET4.0C)

Host: senglab.info

Cache-Control: no-cache

HTTP/1.1 404 Not Found

Server: nginx/1.6.2

Date: Sat, 27 Sep 2014 13:49:38 GMT

Content-Type: text/html

Content-Length: 570

Connection: close

<html>..<head><title>404 Not Found</title></head>..<body bgcolor="white">..<center><h1>404 Not Found</h1></center>..<hr><center>nginx/1.6.0</center>..</body>..</html>................

GET /bot/config.bin HTTP/1.1

Accept: */*

Connection: Close

User-Agent: Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1; .NET CLR 2.0.50727; .NET CLR 3.0.04506.648; .NET CLR 3.5.21022; .NET4.0C)

Host: senglab.info

Cache-Control: no-cache

HTTP/1.1 404 Not Found

Server: nginx/1.6.2

Date: Sat, 27 Sep 2014 13:49:28 GMT

Content-Type: text/html

Content-Length: 570

Connection: close

<html>..<head><title>404 Not Found</title></head>..<body bgcolor="white">..<center><h1>404 Not Found</h1></center>..<hr><center>nginx/1.6.0</center>..</body>..</html>................

GET /bot/config.bin HTTP/1.1

Accept: */*

Connection: Close

User-Agent: Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1; .NET CLR 2.0.50727; .NET CLR 3.0.04506.648; .NET CLR 3.5.21022; .NET4.0C)

Host: senglab.info

Cache-Control: no-cache

HTTP/1.1 404 Not Found

Server: nginx/1.6.2

Date: Sat, 27 Sep 2014 13:49:39 GMT

Content-Type: text/html

Content-Length: 570

Connection: close

<html>..<head><title>404 Not Found</title></head>..<body bgcolor="white">..<center><h1>404 Not Found</h1></center>..<hr><center>nginx/1.6.0</center>..</body>..</html>................

GET /bot/config.bin HTTP/1.1

Accept: */*

Connection: Close

User-Agent: Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1; .NET CLR 2.0.50727; .NET CLR 3.0.04506.648; .NET CLR 3.5.21022; .NET4.0C)

Host: senglab.info

Cache-Control: no-cache

HTTP/1.1 404 Not Found

Server: nginx/1.6.2

Date: Sat, 27 Sep 2014 13:49:28 GMT

Content-Type: text/html

Content-Length: 570

Connection: close

<html>..<head><title>404 Not Found</title></head>..<body bgcolor="white">..<center><h1>404 Not Found</h1></center>..<hr><center>nginx/1.6.0</center>..</body>..</html>................

Map

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

Strings from Dumps

Explorer.EXE_880_rwx_01D70000_00027000:

.text

`.data

.reloc

userenv.dll

del "%s"

if exist "%s" goto d

del /F "%s"

Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.1; SV1)

HTTP/1.1

urlmon.dll

cabinet.dll

hXXp://

hXXps://

HTTP/1.

PR_OpenTCPSocket

gdiplus.dll

GdiplusShutdown

ole32.dll

gdi32.dll

'3''

8

.dvebg|`y!

,2, 6,791'

%5$%&?!6

3.$73$4"4

9)89:#=*

,9!;6:!%

45%?

1:,0/2$7

hXXp://VVV.google.com/webhp

SSShX9

GetProcessHeap

KERNEL32.dll

MsgWaitForMultipleObjects

GetKeyboardState

SetKeyboardState

OpenWindowStationW

GetProcessWindowStation

CreateWindowStationW

CloseWindowStation

SetProcessWindowStation

MapVirtualKeyW

ExitWindowsEx

USER32.dll

RegCreateKeyExW

RegOpenKeyExW

RegCloseKey

RegEnumKeyExW

ADVAPI32.dll

UrlUnescapeA

SHDeleteKeyW

PathIsURLW

SHLWAPI.dll

ShellExecuteW

SHELL32.dll

Secur32.dll

SetViewportOrgEx

GDI32.dll

WS2_32.dll

CertDeleteCertificateFromStore

CertOpenSystemStoreW

CertCloseStore

PFXImportCertStore

CertEnumCertificatesInStore

CertDuplicateCertificateContext

PFXExportCertStoreEx

CRYPT32.dll

HttpQueryInfoA

InternetCrackUrlA

HttpOpenRequestA

HttpSendRequestA

HttpSendRequestExA

HttpSendRequestExW

HttpSendRequestW

GetUrlCacheEntryInfoW

HttpAddRequestHeadersW

HttpAddRequestHeadersA

WININET.dll

OLEAUT32.dll

NETAPI32.dll

3$3,343

4 4$4(4,4

6m6j6q6

1%1S1p1

kernel32.dll

"%s" %s

/c "%s"

%sx.%s

%sx

nspr4.dll

SysShadow

cGlobal\XXX

Global\{BE7FF622-12EB-71E0-1CBE-DCFDC10388B6}

%Documents and Settings%\%current user%\Application Data

{28044407-A0CE-E79B-1CBE-DCFDC10388B6}

%Documents and Settings%\%current user%\Application Data\Ivenuw\qiagi.ina

%Documents and Settings%\%current user%\Application Data\Ivenuw

qiagi.ina

Summary

Dynamic Analysis

Removals

Static Analysis

Network Activity

Map

Strings from Dumps