ramnit | b5a585ce3adaac3173d4ea21c28f69dbbc0d869f7d52a2e6d7d72dc2cf3bce21

General

Target

b5a585ce3adaac3173d4ea21c28f69dbbc0d869f7d52a2e6d7d72dc2cf3bce21.dll
Size

104KB
MD5

5a35356ebbc116216b40502a44b50e61
SHA1

92ab6aa8201f16e1351809e82b1bdce6881a5dfe
SHA256

b5a585ce3adaac3173d4ea21c28f69dbbc0d869f7d52a2e6d7d72dc2cf3bce21
SHA512

14d17de7e0a75732b89b0ff9b7313597d426d595b52c480876d240f9795d618649532c2ba27958a1b49f412827478308d756cb00ce7c10f03bdf22eecb73a359

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

1004 rundll32Srv.exe
2216 DesktopLayer.exe

pid	process
1004	rundll32Srv.exe
2216	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/1004-119-0x0000000000400000-0x000000000042E000-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 opened for modification	C:\Program Files (x86)\Microsoft\px238B.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 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

1536 3732 WerFault.exe rundll32.exe

pid	pid_target	process	target process
1536	3732	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\Main\CompatibilityFlags = "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\FlipAhead\Meta	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\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\FlipAhead\FileVersion = "2016061511"	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\LastCheckForUpdateLowDateTime = "657920661"	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Internet Explorer\FlipAhead\Meta\generator$Discuz!	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "649606278"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Internet Explorer\FlipAhead\Meta\generator$blogger	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	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$vBulletin 4	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Internet Explorer\FlipAhead\Meta\generator$WordPress	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "30885125"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "649606278"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "30885125"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "30885125"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Internet Explorer\FlipAhead\NextUpdateDate = "327400174"	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\DomainSuggestion\NextUpdateDate = "327351589"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Internet Explorer\Main	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\Recovery\PendingRecovery\AdminActive = "0"	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\HistoryJournalCertificate\NextUpdateDate = "327368183"	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\{5226228C-B0F8-11EB-A11C-CE9B817779E4} = "0"	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\FlipAhead	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Internet Explorer\FlipAhead\Meta\generator$http://www.typepad.com/	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Internet Explorer\HistoryJournalCertificate	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Internet Explorer\FlipAhead\Meta\generator$MediaWiki	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Internet Explorer\FlipAhead\Meta\generator$Telligent	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Internet Explorer\FlipAhead\Meta\generator$vBulletin 3	iexplore.exe

Suspicious behavior: EnumeratesProcesses 22 IoCs

Processes:

DesktopLayer.exeWerFault.exe

pid	process
2216	DesktopLayer.exe
2216	DesktopLayer.exe
2216	DesktopLayer.exe
2216	DesktopLayer.exe
2216	DesktopLayer.exe
2216	DesktopLayer.exe
2216	DesktopLayer.exe
2216	DesktopLayer.exe
1536	WerFault.exe
1536	WerFault.exe
1536	WerFault.exe
1536	WerFault.exe
1536	WerFault.exe
1536	WerFault.exe
1536	WerFault.exe
1536	WerFault.exe
1536	WerFault.exe
1536	WerFault.exe
1536	WerFault.exe
1536	WerFault.exe
1536	WerFault.exe
1536	WerFault.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

WerFault.exe

description pid process

Token: SeRestorePrivilege 1536 WerFault.exe
Token: SeBackupPrivilege 1536 WerFault.exe
Token: SeDebugPrivilege 1536 WerFault.exe
Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

iexplore.exe

pid process

2608 iexplore.exe
Suspicious use of SetWindowsHookEx 4 IoCs

Processes:

iexplore.exeIEXPLORE.EXE

pid process

2608 iexplore.exe
2608 iexplore.exe
3948 IEXPLORE.EXE
3948 IEXPLORE.EXE

description	pid	process
Token: SeRestorePrivilege	1536	WerFault.exe
Token: SeBackupPrivilege	1536	WerFault.exe
Token: SeDebugPrivilege	1536	WerFault.exe

pid	process
2608	iexplore.exe

pid	process
2608	iexplore.exe
2608	iexplore.exe
3948	IEXPLORE.EXE
3948	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

rundll32.exerundll32.exerundll32Srv.exeDesktopLayer.exeiexplore.exe

description	pid	process	target process
PID 3724 wrote to memory of 3732	3724	rundll32.exe	rundll32.exe
PID 3724 wrote to memory of 3732	3724	rundll32.exe	rundll32.exe
PID 3724 wrote to memory of 3732	3724	rundll32.exe	rundll32.exe
PID 3732 wrote to memory of 1004	3732	rundll32.exe	rundll32Srv.exe
PID 3732 wrote to memory of 1004	3732	rundll32.exe	rundll32Srv.exe
PID 3732 wrote to memory of 1004	3732	rundll32.exe	rundll32Srv.exe
PID 1004 wrote to memory of 2216	1004	rundll32Srv.exe	DesktopLayer.exe
PID 1004 wrote to memory of 2216	1004	rundll32Srv.exe	DesktopLayer.exe
PID 1004 wrote to memory of 2216	1004	rundll32Srv.exe	DesktopLayer.exe
PID 2216 wrote to memory of 2608	2216	DesktopLayer.exe	iexplore.exe
PID 2216 wrote to memory of 2608	2216	DesktopLayer.exe	iexplore.exe
PID 2608 wrote to memory of 3948	2608	iexplore.exe	IEXPLORE.EXE
PID 2608 wrote to memory of 3948	2608	iexplore.exe	IEXPLORE.EXE
PID 2608 wrote to memory of 3948	2608	iexplore.exe	IEXPLORE.EXE

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\b5a585ce3adaac3173d4ea21c28f69dbbc0d869f7d52a2e6d7d72dc2cf3bce21.dll,#1
1⤵
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:3732

C:\Windows\SysWOW64\rundll32Srv.exe
C:\Windows\SysWOW64\rundll32Srv.exe
2⤵
- Executes dropped EXE
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:1004

C:\Program Files (x86)\Microsoft\DesktopLayer.exe
"C:\Program Files (x86)\Microsoft\DesktopLayer.exe"
3⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2216

C:\Program Files\Internet Explorer\iexplore.exe
"C:\Program Files\Internet Explorer\iexplore.exe"
4⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2608

C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2608 CREDAT:82945 /prefetch:2
5⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:3948

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3732 -s 636
2⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1536

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\b5a585ce3adaac3173d4ea21c28f69dbbc0d869f7d52a2e6d7d72dc2cf3bce21.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3724

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
6b816ee93f1cf36935099a4d593bb05f

SHA1
0c0189324d4658217cfb69ed3131f657ee82ef28

SHA256
0f617ef157edf719de5b1281c6f2afb01903acd66aa0a60e075cfc341adcb6f5

SHA512
cd270c8c41db861a78e1a08c08f2186f95e3f45b0d964edb2d9eb8aa4ecf9f796f07ffc2f03a3d96848cb0142cb0d6838fdd08daa68c53bcd176ca27f4320b7c

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776
MD5
7b6dd1280548bf8a7fa90fa7ba27fe1c

SHA1
9b78a491269896f75bc3aea9f427c1e6a88b466e

SHA256
5d897b9fa3e31bdb8a8cd3d51fad12298dddf307ce81ee12420982dca9d6b6f0

SHA512
a9dd12624e7d444f68b2d03749d55615e50bc4f4128eaaada511685af111119857cd1c461ec36a84342100d47b8ad27005eca27e2d643907978dc3df7f2ce4c0

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCookies\8NOQF1RS.cookie
MD5
2e85ebe5e71ccdb98f4a08b04c50efc8

SHA1
19d050e1666309e45d17e1625a5ec31ce68f9bb4

SHA256
a75a3968579dac2245b275ca8815d6422a79bd640d5b4fcf8d38af9ed086a939

SHA512
27252f096b8babc95c1b25316839ec1d8fb1ebc2e80061311539c67865bcf9d1757392542b8e45a7dfcaeb4c3b8322d8c51e3843ae14ff05ccd11d67e1a8c84d

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCookies\WG01XSJS.cookie
MD5
5ad2972658d679bbd853de75498f6280

SHA1
1bbcaf270e9b6a37df51300185ade6c1123a8b9c

SHA256
cf3d5dff6a82c0e4ef773e408ec4025213e09eb23da9a001abd9a99b7c3af0d4

SHA512
b00ce2e177b8455a18a1233062daf41e6bf9992abafd3d90ad57a1d25727f906f1a23d62ce3c32563ee03edf412c6bda5e89f2bfaff16e8a861bea7bf1598c55

Download Submit
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/1004-115-0x0000000000000000-mapping.dmp

Download
memory/1004-118-0x00000000001E0000-0x00000000001EF000-memory.dmp

Filesize
60KB

Download
memory/1004-119-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2216-123-0x00000000001F0000-0x00000000001F1000-memory.dmp

Filesize
4KB

Download
memory/2216-120-0x0000000000000000-mapping.dmp

Download
memory/2608-125-0x00007FFA58710000-0x00007FFA5877B000-memory.dmp

Filesize
428KB

Download
memory/2608-124-0x0000000000000000-mapping.dmp

Download
memory/3732-114-0x0000000000000000-mapping.dmp

Download
memory/3948-128-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

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Downloads