ramnit | c2c2b5396c067f2f9af045b664c1f7ec3ae1cc13668acd8b04860a39063d3e28

General

Target

c2c2b5396c067f2f9af045b664c1f7ec3ae1cc13668acd8b04860a39063d3e28.dll
Size

303KB
MD5

07893c856a2df7acd180f570ee546c15
SHA1

212df564993b9890ceca5a2598d5cee0d29ac347
SHA256

c2c2b5396c067f2f9af045b664c1f7ec3ae1cc13668acd8b04860a39063d3e28
SHA512

209388795aea439d47b018763dd64ab28ab9b38fc14da9c7763332a5b8bcf3ffa67de700f7e62c994bcb716ebf1869321c98743f5e5db0432befdb13aed0ed9b

Score

10^/10

ramnit banker spyware stealer trojan upx worm

Malware Config

Signatures

Ramnit
Ramnit is a versatile family that holds viruses, worms, and Trojans.
trojan spyware stealer worm banker ramnit
Executes dropped EXE 2 IoCs

Processes:

rundll32Srv.exeDesktopLayer.exe

pid process

3940 rundll32Srv.exe
3568 DesktopLayer.exe

pid	process
3940	rundll32Srv.exe
3568	DesktopLayer.exe

UPX packed file 5 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

Processes:

resource	yara_rule
C:\Windows\SysWOW64\rundll32Srv.exe	upx
C:\Windows\SysWOW64\rundll32Srv.exe	upx
C:\Program Files (x86)\Microsoft\DesktopLayer.exe	upx
C:\Program Files (x86)\Microsoft\DesktopLayer.exe	upx
behavioral2/memory/3940-126-0x0000000000400000-0x000000000042E000-memory.dmp	upx

Drops file in System32 directory 1 IoCs

Processes:

rundll32.exe

description ioc process

File created C:\Windows\SysWOW64\rundll32Srv.exe rundll32.exe

description	ioc	process
File created	C:\Windows\SysWOW64\rundll32Srv.exe	rundll32.exe

Drops file in Program Files directory 3 IoCs

Processes:

rundll32Srv.exe

description	ioc	process
File created	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	rundll32Srv.exe
File opened for modification	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	rundll32Srv.exe
File opened for modification	C:\Program Files (x86)\Microsoft\px118A.tmp	rundll32Srv.exe

Checks processor information in registry 2 TTPs 8 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

rundll32.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1\~MHz	rundll32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1\ProcessorNameString	rundll32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1\Identifier	rundll32.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	rundll32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	rundll32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	rundll32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	rundll32.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1	rundll32.exe

Modifies Internet Explorer settings 1 TTPs 40 IoCs

adware spyware

Modify Registry

T1112

Processes:

iexplore.exeIEXPLORE.EXE

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Internet Explorer\FlipAhead\Meta	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Internet Explorer\FlipAhead\Meta\generator$WordPress	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Internet Explorer\FlipAhead\Meta\generator$vBulletin 4	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "574662767"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Internet Explorer\HistoryJournalCertificate	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Internet Explorer\HistoryJournalCertificate\NextUpdateDate = "327984073"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "574662767"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Internet Explorer\FlipAhead\NextUpdateDate = "328016065"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Internet Explorer\FlipAhead	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Internet Explorer\FlipAhead\Meta\generator$Discuz!	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{4DB5BC46-B692-11EB-A11C-F29CEA8FB389} = "0"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "30886559"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Internet Explorer\FlipAhead\Meta\generator$vBulletin 3	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Internet Explorer\FlipAhead\Meta\generator$http://www.typepad.com/	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "30886559"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Internet Explorer\FlipAhead\Meta\generator$Telligent	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Internet Explorer\FlipAhead\FileVersion = "2016061511"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "327967480"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Internet Explorer\FlipAhead\Meta\generator$MediaWiki	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "581694996"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "30886559"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Internet Explorer\FlipAhead\Meta\generator$blogger	iexplore.exe

Suspicious behavior: EnumeratesProcesses 10 IoCs

Processes:

DesktopLayer.exerundll32.exe

pid	process
3568	DesktopLayer.exe
3568	DesktopLayer.exe
3568	DesktopLayer.exe
3568	DesktopLayer.exe
3568	DesktopLayer.exe
3568	DesktopLayer.exe
3568	DesktopLayer.exe
3568	DesktopLayer.exe
500	rundll32.exe
500	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

iexplore.exe

pid process

1448 iexplore.exe

pid	process
1448	iexplore.exe

Suspicious use of AdjustPrivilegeToken 21 IoCs

Processes:

rundll32.exe

description	pid	process
Token: SeIncreaseQuotaPrivilege	500	rundll32.exe
Token: SeSecurityPrivilege	500	rundll32.exe
Token: SeTakeOwnershipPrivilege	500	rundll32.exe
Token: SeLoadDriverPrivilege	500	rundll32.exe
Token: SeSystemProfilePrivilege	500	rundll32.exe
Token: SeSystemtimePrivilege	500	rundll32.exe
Token: SeProfSingleProcessPrivilege	500	rundll32.exe
Token: SeIncBasePriorityPrivilege	500	rundll32.exe
Token: SeCreatePagefilePrivilege	500	rundll32.exe
Token: SeBackupPrivilege	500	rundll32.exe
Token: SeRestorePrivilege	500	rundll32.exe
Token: SeShutdownPrivilege	500	rundll32.exe
Token: SeDebugPrivilege	500	rundll32.exe
Token: SeSystemEnvironmentPrivilege	500	rundll32.exe
Token: SeRemoteShutdownPrivilege	500	rundll32.exe
Token: SeUndockPrivilege	500	rundll32.exe
Token: SeManageVolumePrivilege	500	rundll32.exe
Token: 33	500	rundll32.exe
Token: 34	500	rundll32.exe
Token: 35	500	rundll32.exe
Token: 36	500	rundll32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

iexplore.exe

pid process

1448 iexplore.exe
Suspicious use of SetWindowsHookEx 6 IoCs

Processes:

iexplore.exeIEXPLORE.EXE

pid process

1448 iexplore.exe
1448 iexplore.exe
3696 IEXPLORE.EXE
3696 IEXPLORE.EXE
3696 IEXPLORE.EXE
3696 IEXPLORE.EXE

pid	process
1448	iexplore.exe

pid	process
1448	iexplore.exe
1448	iexplore.exe
3696	IEXPLORE.EXE
3696	IEXPLORE.EXE
3696	IEXPLORE.EXE
3696	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

rundll32.exerundll32.exerundll32Srv.exeDesktopLayer.exeiexplore.exe

description	pid	process	target process
PID 2680 wrote to memory of 500	2680	rundll32.exe	rundll32.exe
PID 2680 wrote to memory of 500	2680	rundll32.exe	rundll32.exe
PID 2680 wrote to memory of 500	2680	rundll32.exe	rundll32.exe
PID 500 wrote to memory of 3940	500	rundll32.exe	rundll32Srv.exe
PID 500 wrote to memory of 3940	500	rundll32.exe	rundll32Srv.exe
PID 500 wrote to memory of 3940	500	rundll32.exe	rundll32Srv.exe
PID 3940 wrote to memory of 3568	3940	rundll32Srv.exe	DesktopLayer.exe
PID 3940 wrote to memory of 3568	3940	rundll32Srv.exe	DesktopLayer.exe
PID 3940 wrote to memory of 3568	3940	rundll32Srv.exe	DesktopLayer.exe
PID 3568 wrote to memory of 1448	3568	DesktopLayer.exe	iexplore.exe
PID 3568 wrote to memory of 1448	3568	DesktopLayer.exe	iexplore.exe
PID 1448 wrote to memory of 3696	1448	iexplore.exe	IEXPLORE.EXE
PID 1448 wrote to memory of 3696	1448	iexplore.exe	IEXPLORE.EXE
PID 1448 wrote to memory of 3696	1448	iexplore.exe	IEXPLORE.EXE

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\c2c2b5396c067f2f9af045b664c1f7ec3ae1cc13668acd8b04860a39063d3e28.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2680

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\c2c2b5396c067f2f9af045b664c1f7ec3ae1cc13668acd8b04860a39063d3e28.dll,#1
2⤵
- Drops file in System32 directory
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:500

C:\Windows\SysWOW64\rundll32Srv.exe
C:\Windows\SysWOW64\rundll32Srv.exe
3⤵
- Executes dropped EXE
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:3940

C:\Program Files (x86)\Microsoft\DesktopLayer.exe
"C:\Program Files (x86)\Microsoft\DesktopLayer.exe"
4⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3568

C:\Program Files\Internet Explorer\iexplore.exe
"C:\Program Files\Internet Explorer\iexplore.exe"
5⤵
- Modifies Internet Explorer settings
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1448

C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1448 CREDAT:82945 /prefetch:2
6⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:3696

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Program Files (x86)\Microsoft\DesktopLayer.exe
MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
C:\Program Files (x86)\Microsoft\DesktopLayer.exe
MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776
MD5
55205f68311ba681b087489576566937

SHA1
6365b0130e0cab1958461376ea7058b69a89740f

SHA256
e58e5259c4731c23c6ef713508e2df9162a19e82e36ce67056cc860ef5d1bc03

SHA512
06dceeb161f494f43572a5258d4c740382716adbe1374d9c9fac8143087e2ba7bfb808b05d7b922511ce42908b9c7b7a155536033efec7d74e8323ee2af72261

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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776
MD5
eead734551acac08876abf162ab2d206

SHA1
b35e522bd882b48c9856dda82a2d27224c49331e

SHA256
4ed9983f3d7496208737f7d0a7ff276bc271c8f0f217dfe2cbe7aa598e83a8df

SHA512
f914fbd97484f9295a32d5aab904d05367a05f15850388e7a3c3d3303b611a3dabaf82ef57e4b5e7c70ec78f9cd150de74fe1894a2d2cc5f7af77c361c08afaa

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C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCookies\700ESFZB.cookie
MD5
0af3a23f0405bbf5ca3f7971997af98c

SHA1
6898999a584dc2e4232df470d86cf571733c0296

SHA256
e9f0c7083011cfa962cd219646bd32a2ed87638951a530054ff85d43ef196d67

SHA512
4f441cdffddfa07d61f1e5237eac60345796c249db7a6b94b35c0cf56b81cae06ea3c29199a20733b209238bce58b3b5054d2a192e631c41b3019aed7971a9f7

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C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCookies\D48IQRQY.cookie
MD5
b7ea5f3352d9559482cbe1aed176e2d3

SHA1
d61167866b802a04993ec48559f533c146cb205c

SHA256
6ab0454c074fda451085214999bff9e9fc13758f2980124b6efa6bed9678450d

SHA512
dd653c6a256237c70dc1b49fc08bf900f1285bf7e787c3d2184f798b7704cb49e8b12eb2e9507f788215e647dd9d1dbcaf131735ce02096c02e62e71dd462451

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C:\Windows\SysWOW64\rundll32Srv.exe
MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
C:\Windows\SysWOW64\rundll32Srv.exe
MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
memory/500-114-0x0000000000000000-mapping.dmp

Download
memory/1448-122-0x0000000000000000-mapping.dmp

Download
memory/1448-123-0x00007FFD68B30000-0x00007FFD68B9B000-memory.dmp

Filesize
428KB

Download
memory/3568-118-0x0000000000000000-mapping.dmp

Download
memory/3568-121-0x00000000001F0000-0x00000000001F1000-memory.dmp

Filesize
4KB

Download
memory/3696-124-0x0000000000000000-mapping.dmp

Download
memory/3940-126-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/3940-125-0x00000000001E0000-0x00000000001EF000-memory.dmp

Filesize
60KB

Download
memory/3940-115-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads