ramnit | a3c1378f865d0b3f131a93d9c7bc301f092ef16a5dec9eb4f06f13703c0f01a6

General

Target

a3c1378f865d0b3f131a93d9c7bc301f092ef16a5dec9eb4f06f13703c0f01a6.dll
Size

2.6MB
MD5

a888672410051c083cbb91a48c744fcf
SHA1

8667aae3bd5e4bb40ebff879eeb30719e5e2fba1
SHA256

a3c1378f865d0b3f131a93d9c7bc301f092ef16a5dec9eb4f06f13703c0f01a6
SHA512

79ea00566b2f197b3065cde8303261f3c8f27fc583ebacaf19f10e472d8b8d5348b43ee38d313b22551328835fea87acb9da7e3f40c3317f3d2ad8855e5578c2

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

412 rundll32Srv.exe
1096 DesktopLayer.exe

pid	process
412	rundll32Srv.exe
1096	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/1096-123-0x0000000000400000-0x000000000042E000-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 opened for modification	C:\Program Files (x86)\Microsoft\px12D2.tmp	rundll32Srv.exe
File created	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	rundll32Srv.exe
File opened for modification	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	rundll32Srv.exe

Program crash 2 IoCs

Processes:

WerFault.exeWerFault.exe

pid pid_target process target process

3924 1628 WerFault.exe rundll32.exe
692 1628 WerFault.exe rundll32.exe

pid	pid_target	process	target process
3924	1628	WerFault.exe	rundll32.exe
692	1628	WerFault.exe	rundll32.exe

Modifies Internet Explorer settings 1 TTPs 40 IoCs

adware spyware

Modify Registry

T1112

Processes:

iexplore.exeIEXPLORE.EXE

description	ioc	process
Set value (data)	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Internet Explorer\FlipAhead\Meta\generator$vBulletin 3	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Internet Explorer\FlipAhead\Meta\generator$WordPress	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Internet Explorer\FlipAhead\FileVersion = "2016061511"	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\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "30886024"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	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
Set value (int)	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Internet Explorer\FlipAhead\Meta\generator$Discuz!	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Internet Explorer\FlipAhead\Meta\generator$http://www.typepad.com/	iexplore.exe
Set value (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 = "30886024"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "1755028699"	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\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	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\VersionManager	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Internet Explorer\FlipAhead\Meta\generator$Telligent	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Internet Explorer\FlipAhead\Meta\generator$vBulletin 4	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Internet Explorer\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\LastTTLHighDateTime = "50"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Internet Explorer\FlipAhead	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Internet Explorer\HistoryJournalCertificate\NextUpdateDate = "327754411"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{93C6C5DF-B47B-11EB-A11C-D666EBA82C19} = "0"	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 = "1763621987"	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Internet Explorer\FlipAhead\Meta\generator$MediaWiki	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Internet Explorer\FlipAhead\Meta	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Internet Explorer\FlipAhead\Meta\generator$blogger	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Internet Explorer\FlipAhead\NextUpdateDate = "327786403"	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\VersionManager\LastUpdateLowDateTime = "1755028699"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "30886024"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	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\DomainSuggestion\NextUpdateDate = "327737817"	iexplore.exe

Suspicious behavior: EnumeratesProcesses 37 IoCs

Processes:

DesktopLayer.exeWerFault.exeWerFault.exe

pid	process
1096	DesktopLayer.exe
1096	DesktopLayer.exe
1096	DesktopLayer.exe
1096	DesktopLayer.exe
1096	DesktopLayer.exe
1096	DesktopLayer.exe
1096	DesktopLayer.exe
1096	DesktopLayer.exe
3924	WerFault.exe
3924	WerFault.exe
3924	WerFault.exe
3924	WerFault.exe
3924	WerFault.exe
3924	WerFault.exe
3924	WerFault.exe
3924	WerFault.exe
3924	WerFault.exe
3924	WerFault.exe
3924	WerFault.exe
3924	WerFault.exe
3924	WerFault.exe
3924	WerFault.exe
692	WerFault.exe
692	WerFault.exe
692	WerFault.exe
692	WerFault.exe
692	WerFault.exe
692	WerFault.exe
692	WerFault.exe
692	WerFault.exe
692	WerFault.exe
692	WerFault.exe
692	WerFault.exe
692	WerFault.exe
692	WerFault.exe
692	WerFault.exe
692	WerFault.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

WerFault.exeWerFault.exe

description	pid	process
Token: SeRestorePrivilege	3924	WerFault.exe
Token: SeBackupPrivilege	3924	WerFault.exe
Token: SeDebugPrivilege	3924	WerFault.exe
Token: SeDebugPrivilege	692	WerFault.exe

Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

iexplore.exe

pid process

4016 iexplore.exe
Suspicious use of SetWindowsHookEx 4 IoCs

Processes:

iexplore.exeIEXPLORE.EXE

pid process

4016 iexplore.exe
4016 iexplore.exe
2052 IEXPLORE.EXE
2052 IEXPLORE.EXE

pid	process
4016	iexplore.exe

pid	process
4016	iexplore.exe
4016	iexplore.exe
2052	IEXPLORE.EXE
2052	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

rundll32.exerundll32.exerundll32Srv.exeDesktopLayer.exeiexplore.exe

description	pid	process	target process
PID 3172 wrote to memory of 1628	3172	rundll32.exe	rundll32.exe
PID 3172 wrote to memory of 1628	3172	rundll32.exe	rundll32.exe
PID 3172 wrote to memory of 1628	3172	rundll32.exe	rundll32.exe
PID 1628 wrote to memory of 412	1628	rundll32.exe	rundll32Srv.exe
PID 1628 wrote to memory of 412	1628	rundll32.exe	rundll32Srv.exe
PID 1628 wrote to memory of 412	1628	rundll32.exe	rundll32Srv.exe
PID 412 wrote to memory of 1096	412	rundll32Srv.exe	DesktopLayer.exe
PID 412 wrote to memory of 1096	412	rundll32Srv.exe	DesktopLayer.exe
PID 412 wrote to memory of 1096	412	rundll32Srv.exe	DesktopLayer.exe
PID 1096 wrote to memory of 4016	1096	DesktopLayer.exe	iexplore.exe
PID 1096 wrote to memory of 4016	1096	DesktopLayer.exe	iexplore.exe
PID 4016 wrote to memory of 2052	4016	iexplore.exe	IEXPLORE.EXE
PID 4016 wrote to memory of 2052	4016	iexplore.exe	IEXPLORE.EXE
PID 4016 wrote to memory of 2052	4016	iexplore.exe	IEXPLORE.EXE

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\a3c1378f865d0b3f131a93d9c7bc301f092ef16a5dec9eb4f06f13703c0f01a6.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3172

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\a3c1378f865d0b3f131a93d9c7bc301f092ef16a5dec9eb4f06f13703c0f01a6.dll,#1
2⤵
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:1628

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:412

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:1096

C:\Program Files\Internet Explorer\iexplore.exe
"C:\Program Files\Internet Explorer\iexplore.exe"
5⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4016

C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4016 CREDAT:82945 /prefetch:2
6⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:2052

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1628 -s 620
3⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3924

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1628 -s 828
3⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:692

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

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

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776
MD5
ef07b2dc81b7fdcc01d8a9cce1261822

SHA1
535c60f61ed56d43a349e92b86dd5204a1b61859

SHA256
4f4d35e9bbae40c756cb82b60a2bbfe0dfe055b06ddf2494a953ce7565ff8eb6

SHA512
1a26ee805d55b252567caec75c0b75ec5493aa1865b4fd8a1cf6b18972e2ffd82ba778b4a6a80ed85c9d016d841d26be11d4bc6f4bf8d8b512e7261dc7ad3fe3

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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776
MD5
f7cb3e48e2dd432eacd0892c436f5211

SHA1
96e73a9d67a0f2b57b3614e81a8783f4d73a3d6c

SHA256
f67e4bb9ce8d6676443c6d4946475b135d2b99545667d72ba2f3199db1ead656

SHA512
56055f304e58b572b667baba153d0f7db7a6fae10aa5b2e596c38c2c4e7ea3e8eeac458f8166fd0010186ca910f80e7e21fdded0d67e66341d653e122f93bd15

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCookies\H00M9EEL.cookie
MD5
41e17405fda9cce615b5d185523895b9

SHA1
6b09da455eea26b1297b9c671564048e9ffb2878

SHA256
441b7b166599092b04460df551c390eb50ce2c8a64c9815ce6fa289e16815089

SHA512
40167e8633dafb8eed0e94e33c8e592b99c01df93038868dafd458584c9cb6c1afce91aa4b5a65598ac8c8ff220626537e6ce5443a86c124fe0c7bdbbaab538f

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCookies\MYPS8GEV.cookie
MD5
463729528d1168ba29f052718366cce8

SHA1
d22e47e11cab48916f2b9108c01944a24ea5e2b2

SHA256
d6c51f0ab9f18360647ceb1b00361a67de7fc17d313cdac8dfb6460cec73cc7e

SHA512
fbe4b1a4d2663f48be26053f3cf605ee0d63e3b498fd99b65d5fd81f926896564dfd52d0cb320d83c8715e0dbe974b4d0a3a47708397b930ac122c074d246fcd

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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/412-115-0x0000000000000000-mapping.dmp

Download
memory/412-120-0x00000000001E0000-0x00000000001EF000-memory.dmp

Filesize
60KB

Download
memory/1096-118-0x0000000000000000-mapping.dmp

Download
memory/1096-123-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1096-122-0x00000000001F0000-0x00000000001F1000-memory.dmp

Filesize
4KB

Download
memory/1628-114-0x0000000000000000-mapping.dmp

Download
memory/2052-128-0x0000000000000000-mapping.dmp

Download
memory/4016-127-0x00007FF900D30000-0x00007FF900D9B000-memory.dmp

Filesize
428KB

Download
memory/4016-125-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads