ramnit | 22b0be5d9b475926b757241d035c5cf9dec89ff26fcdd272761da3904b92230f

General

Target

22b0be5d9b475926b757241d035c5cf9dec89ff26fcdd272761da3904b92230f.dll
Size

2.6MB
MD5

33740fa01394f61736f24b95d23ef49f
SHA1

b44eb66fc58c0e46956f8b11ad7e84f9df12d8e8
SHA256

22b0be5d9b475926b757241d035c5cf9dec89ff26fcdd272761da3904b92230f
SHA512

66fb7b711fa02fd67d3c02f321bceb11cb7b0bb12382199ceb3847d6bbc31eadf7dff7ce0244b3ad40c4566320f7f8fdd381f611ac328edb8a022048f39689bb

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

1156 rundll32Srv.exe
1388 DesktopLayer.exe

pid	process
1156	rundll32Srv.exe
1388	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/1156-125-0x0000000000400000-0x000000000042E000-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\px2BC9.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

1820 3512 WerFault.exe rundll32.exe
1172 3512 WerFault.exe rundll32.exe

pid	pid_target	process	target process
1820	3512	WerFault.exe	rundll32.exe
1172	3512	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$vBulletin 3	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Internet Explorer\FlipAhead\Meta\generator$http://www.typepad.com/	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\VersionManager	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "3140774431"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "3148275374"	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Internet Explorer\FlipAhead\Meta\generator$MediaWiki	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Internet Explorer\FlipAhead\Meta\generator$vBulletin 4	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	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
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$blogger	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Internet Explorer\HistoryJournalCertificate	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Internet Explorer\FlipAhead\Meta	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Internet Explorer\FlipAhead\Meta\generator$Discuz!	iexplore.exe
Set value (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 = "30886269"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "327843182"	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
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$Telligent	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "30886269"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Internet Explorer\FlipAhead\Meta\generator$WordPress	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	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 (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\HistoryJournalCertificate\NextUpdateDate = "327859776"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{E661F92F-B570-11EB-A11C-56A0FB8C6E6D} = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "3140774431"	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\VersionManager\LastCheckForUpdateHighDateTime = "30886269"	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 (int)	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Internet Explorer\FlipAhead\NextUpdateDate = "327891768"	iexplore.exe

Suspicious behavior: EnumeratesProcesses 37 IoCs

Processes:

DesktopLayer.exeWerFault.exeWerFault.exe

pid	process
1388	DesktopLayer.exe
1388	DesktopLayer.exe
1388	DesktopLayer.exe
1388	DesktopLayer.exe
1388	DesktopLayer.exe
1388	DesktopLayer.exe
1388	DesktopLayer.exe
1388	DesktopLayer.exe
1820	WerFault.exe
1820	WerFault.exe
1820	WerFault.exe
1820	WerFault.exe
1820	WerFault.exe
1820	WerFault.exe
1820	WerFault.exe
1820	WerFault.exe
1820	WerFault.exe
1820	WerFault.exe
1820	WerFault.exe
1820	WerFault.exe
1820	WerFault.exe
1820	WerFault.exe
1172	WerFault.exe
1172	WerFault.exe
1172	WerFault.exe
1172	WerFault.exe
1172	WerFault.exe
1172	WerFault.exe
1172	WerFault.exe
1172	WerFault.exe
1172	WerFault.exe
1172	WerFault.exe
1172	WerFault.exe
1172	WerFault.exe
1172	WerFault.exe
1172	WerFault.exe
1172	WerFault.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

WerFault.exeWerFault.exe

description	pid	process
Token: SeRestorePrivilege	1820	WerFault.exe
Token: SeBackupPrivilege	1820	WerFault.exe
Token: SeDebugPrivilege	1820	WerFault.exe
Token: SeDebugPrivilege	1172	WerFault.exe

Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

iexplore.exe

pid process

1672 iexplore.exe
Suspicious use of SetWindowsHookEx 6 IoCs

Processes:

iexplore.exeIEXPLORE.EXE

pid process

1672 iexplore.exe
1672 iexplore.exe
3968 IEXPLORE.EXE
3968 IEXPLORE.EXE
3968 IEXPLORE.EXE
3968 IEXPLORE.EXE

pid	process
1672	iexplore.exe

pid	process
1672	iexplore.exe
1672	iexplore.exe
3968	IEXPLORE.EXE
3968	IEXPLORE.EXE
3968	IEXPLORE.EXE
3968	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

rundll32.exerundll32.exerundll32Srv.exeDesktopLayer.exeiexplore.exe

description	pid	process	target process
PID 3540 wrote to memory of 3512	3540	rundll32.exe	rundll32.exe
PID 3540 wrote to memory of 3512	3540	rundll32.exe	rundll32.exe
PID 3540 wrote to memory of 3512	3540	rundll32.exe	rundll32.exe
PID 3512 wrote to memory of 1156	3512	rundll32.exe	rundll32Srv.exe
PID 3512 wrote to memory of 1156	3512	rundll32.exe	rundll32Srv.exe
PID 3512 wrote to memory of 1156	3512	rundll32.exe	rundll32Srv.exe
PID 1156 wrote to memory of 1388	1156	rundll32Srv.exe	DesktopLayer.exe
PID 1156 wrote to memory of 1388	1156	rundll32Srv.exe	DesktopLayer.exe
PID 1156 wrote to memory of 1388	1156	rundll32Srv.exe	DesktopLayer.exe
PID 1388 wrote to memory of 1672	1388	DesktopLayer.exe	iexplore.exe
PID 1388 wrote to memory of 1672	1388	DesktopLayer.exe	iexplore.exe
PID 1672 wrote to memory of 3968	1672	iexplore.exe	IEXPLORE.EXE
PID 1672 wrote to memory of 3968	1672	iexplore.exe	IEXPLORE.EXE
PID 1672 wrote to memory of 3968	1672	iexplore.exe	IEXPLORE.EXE

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\22b0be5d9b475926b757241d035c5cf9dec89ff26fcdd272761da3904b92230f.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3540

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\22b0be5d9b475926b757241d035c5cf9dec89ff26fcdd272761da3904b92230f.dll,#1
2⤵
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:3512

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:1156

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:1388

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:1672

C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1672 CREDAT:82945 /prefetch:2
6⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:3968

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3512 -s 592
3⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1820

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3512 -s 756
3⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1172

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

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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776
MD5
a0a5a4d72ad62fd610b043c84033deaf

SHA1
aa5c3deaba3b479e004880b369f63f2b59b23b9a

SHA256
35d20d28885d84fef2a2e06125bf9626fbab13b99d1238a435a444a8db1cb9c6

SHA512
20dd0d4276e854bca2767bd4cf7f04068a23742ff33926a7ba5296d2b0a453d456f37662e443c4df2fc3027bbead658a8ca6f8be40a61c82e3d6085cf85b9243

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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776
MD5
4500d85b88790fa2a724ab11b76fdda7

SHA1
d3c35e261033ec496f067ebf0cdd09b4efb7aaab

SHA256
530218be97c489e6b5d5254d61c6341ce09ed002bc600d585b29898566d87ff0

SHA512
5dddc63a84fb6709c41ef4c86ced9c270d23833d02f9f2e0de50c14c2b565aee28dad1fdecec2180a13faaf1d1a3fb97cf260c5da902833844e1d8eb816e1f72

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C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCookies\308OD3LZ.cookie
MD5
28ad16d3ad1a7e91f099217266d051a4

SHA1
0e49c24a7987cdc17ece4e589e3eb1c1c96faa01

SHA256
a7626214a2dd51d0fe9c4033fe84ec9e4197fa5038a9a9e0c87a93f34ff54ca4

SHA512
bd03b7e34eefea6db5111fc91b251fe42c91792dae94e96b562e27369a94f3609cae85e16e19646dce400674bdeeb6ff0ee0476f5029bcac3686e9f70d980c1c

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C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCookies\VSPRZP50.cookie
MD5
3e441a383c54e35f3656d68defcd90cc

SHA1
fe2b51870bd391fe6a546d6ec08397191edeaff8

SHA256
1e4f43e3e65f3fe091772452ea316a02e3505047114fedf07f51463e326e30c7

SHA512
1a12f66be186db1eba6b24e1e7fd04c83f5e2c9eb64838f553c5616bf1d3e6b176bfc0cf1e12bd080e715183349fd2ccb5ced2ac9a4916bedf1a6fbbda0aa2c0

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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/1156-115-0x0000000000000000-mapping.dmp

Download
memory/1156-124-0x00000000001E0000-0x00000000001EF000-memory.dmp

Filesize
60KB

Download
memory/1156-125-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1388-121-0x00000000001F0000-0x00000000001F1000-memory.dmp

Filesize
4KB

Download
memory/1388-118-0x0000000000000000-mapping.dmp

Download
memory/1672-123-0x00007FFA3B520000-0x00007FFA3B58B000-memory.dmp

Filesize
428KB

Download
memory/1672-122-0x0000000000000000-mapping.dmp

Download
memory/3512-114-0x0000000000000000-mapping.dmp

Download
memory/3968-128-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads