Trojan.Agent.CCPK_1ca49b75c3

Dynamic Analysis

Payload

No specific payload has been found.

Process activity

The Trojan creates the following process(es):

%original file name%.exe:3676
mehelb.exe:2472

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

Mutexes

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

File activity

The process %original file name%.exe:3676 makes changes in the file system.

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

C:\ProgramData\Saaaalamm\Mira.h (960208 bytes)
C:\ProgramData\mehelb.exe (1020884 bytes)

The process mehelb.exe:2472 makes changes in the file system.

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

C:\config.sys .exe (1963131 bytes)
C:\%original file name%.exe .exe (1963131 bytes)
C:\bootmgr .exe (1963131 bytes)
C:\Boot .exe (1963131 bytes)
C:\Windows .exe (1963131 bytes)
C:\ProgramData .exe (1963131 bytes)
C:\$Recycle.Bin .exe (1963131 bytes)
C:\BOOTSECT.BAK .exe (1963131 bytes)
%Documents and Settings% .exe (1963131 bytes)
C:\original .exe (1963131 bytes)
C:\totalcmd .exe (1963131 bytes)
C:\Users .exe (1963131 bytes)
C:\XELDZ .exe (1963131 bytes)
C:\autoexec.bat .exe (1963131 bytes)
C:\System Volume Information .exe (1963131 bytes)
C:\marker .exe (1963131 bytes)
%Program Files% .exe (1963131 bytes)
C:\pagefile.sys .exe (1963131 bytes)

The Trojan deletes the following file(s):

C:\Miray (0 bytes)
C:\Mirau (0 bytes)
C:\Mirav (0 bytes)
C:\Miraw (0 bytes)
C:\Mirap (0 bytes)
C:\Miraq (0 bytes)
C:\Mirar (0 bytes)
C:\Miral (0 bytes)
C:\Miram (0 bytes)
C:\Miran (0 bytes)
C:\Mirai (0 bytes)
C:\Miraj (0 bytes)
C:\Mirak (0 bytes)
C:\Mirae (0 bytes)
C:\Mirag (0 bytes)
C:\Mirab (0 bytes)

Registry activity

The process mehelb.exe:2472 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]
"Microsoft® Windows® Operating System" = "C:\ProgramData\mehelb.exe"

Dropped PE files

MD5	File path
4d704e707dd636025909b3a61d5a99a2	c:\$Recycle.Bin .exe
8184b2cb5ebf9ef3f20af56695747a72	c:\%original file name%.exe .exe
411ff3e62eaa0cda3bd188c27264b943	c:\BOOTSECT.BAK .exe
d02511114fcca8440012f491cd1f7190	c:\Boot .exe
d36031ed2570031a12819b901277d183	c:\Documents and Settings .exe
d3c834a14f8a8b139b06777643ab2b09	c:\Perl .exe
c796c1c5f1c74ea61c48c42de996b5c8	c:\Program Files .exe
7ff0fe4f2bd7a9c5c93641748ae0e708	c:\ProgramData .exe
2549139ceeb2c40c2ea0aeb04527d833	c:\ProgramData\Saaaalamm\Mira.h
992b173c614f3e67cea53ca64b2a4ec9	c:\ProgramData\mehelb.exe
b0a20d4ab677365f7727843a001fee3d	c:\System Volume Information .exe
58a93bf97e7bbfd4b4b5ff1762ebc9f4	c:\Users .exe
2549139ceeb2c40c2ea0aeb04527d833	c:\Users\All Users\Saaaalamm\Mira.h
992b173c614f3e67cea53ca64b2a4ec9	c:\Users\All Users\mehelb.exe
50b43235c8691c8abf5de26ee4eec56c	c:\Windows .exe
c92099a6357132a13a17865cba200a62	c:\XELDZ .exe
7623fdfc3b9b91a8e1dee49669a70f3a	c:\autoexec.bat .exe
4f260277c60cdcd8ea19a9f4faf965ab	c:\bootmgr .exe
d7adcdfab9120cdede7e77578449436c	c:\config.sys .exe
882a6440b9223bd961b0229fe9d5d3f1	c:\marker .exe
3e7286eb5e29203c91cd8bd05351fd1c	c:\original .exe
1faaa3182f2455335ec84b8c73a95dd8	c:\pagefile.sys .exe
b4f8d71a99ae78bb9d1721564363df3b	c:\totalcmd .exe

HOSTS file anomalies

No changes have been detected.

Rootkit activity

No anomalies have been detected.

Propagation

Removals

Remove it with Ad-Aware

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

Manual removal*

1. Terminate malicious process(es) (How to End a Process With the Task Manager):

   %original file name%.exe:3676
   mehelb.exe:2472

2. Delete the original Trojan file.
   
3. Delete or disinfect the following files created/modified by the Trojan:

   C:\ProgramData\Saaaalamm\Mira.h (960208 bytes)
   C:\ProgramData\mehelb.exe (1020884 bytes)
   C:\config.sys .exe (1963131 bytes)
   C:\%original file name%.exe .exe (1963131 bytes)
   C:\bootmgr .exe (1963131 bytes)
   C:\Boot .exe (1963131 bytes)
   C:\Windows .exe (1963131 bytes)
   C:\ProgramData .exe (1963131 bytes)
   C:\$Recycle.Bin .exe (1963131 bytes)
   C:\BOOTSECT.BAK .exe (1963131 bytes)
   %Documents and Settings% .exe (1963131 bytes)
   C:\original .exe (1963131 bytes)
   C:\totalcmd .exe (1963131 bytes)
   C:\Users .exe (1963131 bytes)
   C:\XELDZ .exe (1963131 bytes)
   C:\autoexec.bat .exe (1963131 bytes)
   C:\System Volume Information .exe (1963131 bytes)
   C:\marker .exe (1963131 bytes)
   %Program Files% .exe (1963131 bytes)
   C:\pagefile.sys .exe (1963131 bytes)

4. Delete the following value(s) in the autorun key (How to Work with System Registry):

   [HKCU\Software\Microsoft\Windows\CurrentVersion\Run]
   "Microsoft® Windows® Operating System" = "C:\ProgramData\mehelb.exe"

5. Reboot the computer.
   

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

Static Analysis

VersionInfo

Company Name: Microsoft Corporation
Product Name: Mira Malware
Product Version: 1.0.0.155
Legal Copyright: Microsoft Corporation
Legal Trademarks:
Original Filename:
Internal Name:
File Version: 1.0.0.155
File Description: Mira Malware
Comments:
Language: English (United States)

Company Name: Microsoft CorporationProduct Name: Mira MalwareProduct Version: 1.0.0.155Legal Copyright: Microsoft CorporationLegal Trademarks: Original Filename: Internal Name: File Version: 1.0.0.155File Description: Mira MalwareComments: Language: English (United States)

PE Sections

Name	Virtual Address	Virtual Size	Raw Size	Entropy	Section MD5
.text	4096	245368	245760	4.21465	8b164ac8ef3742f37830dc1842275667
.data	249856	608	1024	0.488703	6fda88cf7188a8245a53dfde927250fd
.rdata	253952	9384	9728	3.47165	dbe852009dbd077a9976cb0ecfb9aadf
.bss	266240	18576	0	0	d41d8cd98f00b204e9800998ecf8427e
.idata	286720	2212	2560	2.97703	5e5242c565219f3bd33a6568632559dc
.rsrc	290816	758300	750851	4.88806	d2502026d1b26c727923c2cda6873def

Dropped from:

bc6581146d73398835d5de851de21ea2

Downloaded by:

Similar by SSDeep:

Similar by Lavasoft Polymorphic Checker:

Total found: 7
aa4f3f47d2226741ed1d88fd4aa0d595
9acbbac312d49cfa9b8e3afaa68a2f93
9a547682002e762e73fb844c9e52aa39
6fb9b8f3d6f67393323d0bb9e50bc543
620208a7bc4191861037b803e86fb082
a384d142706f4c932a37c1b0f17a95e2
bb3916a641588d47d1d850c8feb978f1

Network Activity

URLs

IDS verdicts (Suricata alerts: Emerging Threats ET ruleset)

Traffic

Map

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

Strings from Dumps

mehelb.exe_2472:

.text

.text

`.data

`.data

.rdata

.rdata

@.bss

@.bss

.idata

.idata

C:\ProgramData\mehelb.exe

C:\ProgramData\mehelb.exe

Software\Microsoft\Windows\CurrentVersion\Run

Software\Microsoft\Windows\CurrentVersion\Run

Windows

Windows

Operating System

Operating System

%H:%M:%S

%H:%M:%S

%m/%d/%y

%m/%d/%y

-0123456789

-0123456789

%s:%u: failed assertion `%s'

%s:%u: failed assertion `%s'

RegCloseKey

RegCloseKey

RegOpenKeyA

RegOpenKeyA

ADVAPI32.DLL

ADVAPI32.DLL

KERNEL32.dll

KERNEL32.dll

msvcrt.dll

msvcrt.dll

SHELL32.DLL

SHELL32.DLL

SearchProtocolHost.exe_2764:

.text

.text

`.data

`.data

.rsrc

.rsrc

@.reloc

@.reloc

ADVAPI32.dll

ADVAPI32.dll

ntdll.DLL

ntdll.DLL

KERNEL32.dll

KERNEL32.dll

msvcrt.dll

msvcrt.dll

USER32.dll

USER32.dll

ole32.dll

ole32.dll

OLEAUT32.dll

OLEAUT32.dll

TQUERY.DLL

TQUERY.DLL

MSSHooks.dll

MSSHooks.dll

IMM32.dll

IMM32.dll

SHLWAPI.dll

SHLWAPI.dll

SrchCollatorCatalogInfo

SrchCollatorCatalogInfo

SrchDSSLogin

SrchDSSLogin

SrchDSSPortManager

SrchDSSPortManager

SrchPHHttp

SrchPHHttp

SrchIndexerQuery

SrchIndexerQuery

SrchIndexerProperties

SrchIndexerProperties

SrchIndexerPlugin

SrchIndexerPlugin

SrchIndexerClient

SrchIndexerClient

SrchIndexerSchema

SrchIndexerSchema

Msidle.dll

Msidle.dll

Failed to get REGKEY_FLTRDMN_MS_TO_IDLE, using default

Failed to get REGKEY_FLTRDMN_MS_TO_IDLE, using default

pfps->psProperty.ulKind is LPWSTR but psProperty.lpwstr is NULL or empty

pfps->psProperty.ulKind is LPWSTR but psProperty.lpwstr is NULL or empty

d:\win7sp1_gdr\enduser\mssearch2\common\utils\crchash.cxx

d:\win7sp1_gdr\enduser\mssearch2\common\utils\crchash.cxx

d:\win7sp1_gdr\enduser\mssearch2\search\search\gather\fltrdmn\fltrdaemon.cxx

d:\win7sp1_gdr\enduser\mssearch2\search\search\gather\fltrdmn\fltrdaemon.cxx

d:\win7sp1_gdr\enduser\mssearch2\search\common\include\secutil.hxx

d:\win7sp1_gdr\enduser\mssearch2\search\common\include\secutil.hxx

d:\win7sp1_gdr\enduser\mssearch2\common\tracer\tracerhelpers.h

d:\win7sp1_gdr\enduser\mssearch2\common\tracer\tracerhelpers.h

d:\win7sp1_gdr\enduser\mssearch2\common\tracer\mutex.cpp

d:\win7sp1_gdr\enduser\mssearch2\common\tracer\mutex.cpp

d:\win7sp1_gdr\enduser\mssearch2\common\include\srchxcpt.hxx

d:\win7sp1_gdr\enduser\mssearch2\common\include\srchxcpt.hxx

RegDeleteKeyW

RegDeleteKeyW

RegDeleteKeyExW

RegDeleteKeyExW

8%uiP

8%uiP

Invalid parameter passed to C runtime function.

Invalid parameter passed to C runtime function.

d:\win7sp1_gdr\enduser\mssearch2\common\tracer\tracersecutil.h

d:\win7sp1_gdr\enduser\mssearch2\common\tracer\tracersecutil.h

d:\win7sp1_gdr\enduser\mssearch2\common\tracer\tracmain.cpp

d:\win7sp1_gdr\enduser\mssearch2\common\tracer\tracmain.cpp

-d-d-d-d-d-d-d-%d

-d-d-d-d-d-d-d-%d

d:\win7sp1_gdr\enduser\mssearch2\common\tracer\tracmain.h

d:\win7sp1_gdr\enduser\mssearch2\common\tracer\tracmain.h

0xx=

0xx=

%s(%d)

%s(%d)

tid="0x%x"

tid="0x%x"

pid="0x%x"

pid="0x%x"

tagname="%s"

tagname="%s"

tagid="0x%x"

tagid="0x%x"

el="0x%x"

el="0x%x"

time="d/d/d d:d:d.d"

time="d/d/d d:d:d.d"

logname="%s"

logname="%s"

d:\win7sp1_gdr\enduser\mssearch2\common\tracer\sysimprs.cxx

d:\win7sp1_gdr\enduser\mssearch2\common\tracer\sysimprs.cxx

SHELL32.dll

SHELL32.dll

PROPSYS.dll

PROPSYS.dll

ntdll.dll

ntdll.dll

RegCloseKey

RegCloseKey

RegCreateKeyExW

RegCreateKeyExW

RegOpenKeyExW

RegOpenKeyExW

RegQueryInfoKeyW

RegQueryInfoKeyW

RegEnumKeyExW

RegEnumKeyExW

ReportEventW

ReportEventW

_amsg_exit

_amsg_exit

MsgWaitForMultipleObjects

MsgWaitForMultipleObjects

SearchProtocolHost.pdb

SearchProtocolHost.pdb

2 2(20282|2

2 2(20282|2

4%5S5

4%5S5

Software\Microsoft\Windows Search

Software\Microsoft\Windows Search

https

https

kernel32.dll

kernel32.dll

msTracer.dll

msTracer.dll

msfte.dll

msfte.dll