ramnit | 29233737fd55f65b571c76132b43133c71ce5fede9825a03d2e2928fdb399a3b

General

Target

29233737fd55f65b571c76132b43133c71ce5fede9825a03d2e2928fdb399a3b.dll
Size

536KB
MD5

3e096103e9228d6c68d53a66d5744952
SHA1

655f73c6d6d61d5e3f7f135b6dc4ddf756a20385
SHA256

29233737fd55f65b571c76132b43133c71ce5fede9825a03d2e2928fdb399a3b
SHA512

22b35fdb2edd2c8c26adea0a2c53a5ee668f813eda76984f6f61ed4832b11623ea2e27d2dbf11e225dc9d2cb74cefd616aedcc4fe1b96e64232381932d7e9993

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

216 rundll32Srv.exe
208 DesktopLayer.exe

pid	process
216	rundll32Srv.exe
208	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
behavioral2/memory/208-124-0x0000000000400000-0x000000000042E000-memory.dmp	upx
C:\Program Files (x86)\Microsoft\DesktopLayer.exe	upx
C:\Program Files (x86)\Microsoft\DesktopLayer.exe	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\pxF28.tmp	rundll32Srv.exe

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

1484 3264 WerFault.exe rundll32.exe

pid	pid_target	process	target process
1484	3264	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 (int)	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{A8EB459E-B482-11EB-A11C-4624C1D76809} = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "2112710920"	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$Telligent	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Internet Explorer\FlipAhead\FileVersion = "2016061511"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "2106460750"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "30886031"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Internet Explorer\FlipAhead\Meta\generator$vBulletin 3	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Internet Explorer\FlipAhead\NextUpdateDate = "327789444"	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\Main\WindowsSearch	iexplore.exe
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\DomainSuggestion	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "30886031"	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Internet Explorer\FlipAhead\Meta\generator$Discuz!	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Internet Explorer\FlipAhead\Meta\generator$MediaWiki	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 (str)	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	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$http://www.typepad.com/	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Internet Explorer\HistoryJournalCertificate	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "327740858"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Internet Explorer\FlipAhead\Meta\generator$blogger	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Internet Explorer\FlipAhead\Meta\generator$vBulletin 4	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Internet Explorer\HistoryJournalCertificate\NextUpdateDate = "327757452"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Internet Explorer\FlipAhead	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Internet Explorer\FlipAhead\Meta\generator$WordPress	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "30886031"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "2106460750"	iexplore.exe

Suspicious behavior: EnumeratesProcesses 22 IoCs

Processes:

DesktopLayer.exeWerFault.exe

pid	process
208	DesktopLayer.exe
208	DesktopLayer.exe
208	DesktopLayer.exe
208	DesktopLayer.exe
208	DesktopLayer.exe
208	DesktopLayer.exe
208	DesktopLayer.exe
208	DesktopLayer.exe
1484	WerFault.exe
1484	WerFault.exe
1484	WerFault.exe
1484	WerFault.exe
1484	WerFault.exe
1484	WerFault.exe
1484	WerFault.exe
1484	WerFault.exe
1484	WerFault.exe
1484	WerFault.exe
1484	WerFault.exe
1484	WerFault.exe
1484	WerFault.exe
1484	WerFault.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

WerFault.exe

description pid process

Token: SeRestorePrivilege 1484 WerFault.exe
Token: SeBackupPrivilege 1484 WerFault.exe
Token: SeDebugPrivilege 1484 WerFault.exe
Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

iexplore.exe

pid process

2248 iexplore.exe
Suspicious use of SetWindowsHookEx 4 IoCs

Processes:

iexplore.exeIEXPLORE.EXE

pid process

2248 iexplore.exe
2248 iexplore.exe
2064 IEXPLORE.EXE
2064 IEXPLORE.EXE

description	pid	process
Token: SeRestorePrivilege	1484	WerFault.exe
Token: SeBackupPrivilege	1484	WerFault.exe
Token: SeDebugPrivilege	1484	WerFault.exe

pid	process
2248	iexplore.exe

pid	process
2248	iexplore.exe
2248	iexplore.exe
2064	IEXPLORE.EXE
2064	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

rundll32.exerundll32.exerundll32Srv.exeDesktopLayer.exeiexplore.exe

description	pid	process	target process
PID 4060 wrote to memory of 3264	4060	rundll32.exe	rundll32.exe
PID 4060 wrote to memory of 3264	4060	rundll32.exe	rundll32.exe
PID 4060 wrote to memory of 3264	4060	rundll32.exe	rundll32.exe
PID 3264 wrote to memory of 216	3264	rundll32.exe	rundll32Srv.exe
PID 3264 wrote to memory of 216	3264	rundll32.exe	rundll32Srv.exe
PID 3264 wrote to memory of 216	3264	rundll32.exe	rundll32Srv.exe
PID 216 wrote to memory of 208	216	rundll32Srv.exe	DesktopLayer.exe
PID 216 wrote to memory of 208	216	rundll32Srv.exe	DesktopLayer.exe
PID 216 wrote to memory of 208	216	rundll32Srv.exe	DesktopLayer.exe
PID 208 wrote to memory of 2248	208	DesktopLayer.exe	iexplore.exe
PID 208 wrote to memory of 2248	208	DesktopLayer.exe	iexplore.exe
PID 2248 wrote to memory of 2064	2248	iexplore.exe	IEXPLORE.EXE
PID 2248 wrote to memory of 2064	2248	iexplore.exe	IEXPLORE.EXE
PID 2248 wrote to memory of 2064	2248	iexplore.exe	IEXPLORE.EXE

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\29233737fd55f65b571c76132b43133c71ce5fede9825a03d2e2928fdb399a3b.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4060

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\29233737fd55f65b571c76132b43133c71ce5fede9825a03d2e2928fdb399a3b.dll,#1
2⤵
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:3264

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:216

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:208

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:2248

C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2248 CREDAT:82945 /prefetch:2
6⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:2064

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3264 -s 672
3⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1484

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

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
a8029723e6c1f6125b95f208d025f2e0

SHA1
4a774c9df3131f386e8307d7801b1475fe33f9f6

SHA256
65a80c7f2f07954ed67f2d6c3e73b3d996020a36300d729edb8bf5386fc49e24

SHA512
128ce31f4dde80f3986ca15ac6b85d7562934c6ebd9a72efec85b84b783be234a69c775264a2ee77c475f313a60df20cfb1d5d439a9835e1738f603e716a4d7b

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C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCookies\C2Y5QFDX.cookie
MD5
86defddd001f6b844f6785e86ba2b10e

SHA1
0772218a967972770375a39c302de55f3394b77b

SHA256
47fc7a7965cefa106eb6806a02374e3f5b809450f382ee4fec2765d18aaf0da6

SHA512
c6a78f2c9ee4d4bb3a2db21c2fbab40d82ebd174c3f967496dfb562526092a173ba628f30626d2434b5464bd98df686f64166fc4aee7867cadd475f65cf461cc

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCookies\IC022UZH.cookie
MD5
71c146a6f239dc8ade235abf5dac6a15

SHA1
41843fbc6dcaff570bb779ee0090e6dd93fb8c0d

SHA256
4db31bb57a17880469a339707cfb7afc505612020833a8aa1b809cd4bd5f0b22

SHA512
2f751594c774da755521bef7b07f696e547cfcad81bfc6b8547b39982575da90834ab2aede25b91706579abd967c5b713dcce45268984c93d9a5c1c60c5554c5

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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/208-124-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/208-123-0x00000000001F0000-0x00000000001F1000-memory.dmp

Filesize
4KB

Download
memory/208-118-0x0000000000000000-mapping.dmp

Download
memory/216-119-0x00000000001E0000-0x00000000001EF000-memory.dmp

Filesize
60KB

Download
memory/216-115-0x0000000000000000-mapping.dmp

Download
memory/2064-128-0x0000000000000000-mapping.dmp

Download
memory/2248-127-0x00007FFAE8E30000-0x00007FFAE8E9B000-memory.dmp

Filesize
428KB

Download
memory/2248-125-0x0000000000000000-mapping.dmp

Download
memory/3264-114-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads