ramnit | d73f2bf708ba9ca4ffca7dc70c183dc5589b9f8ced28efb2a01e073192f1b4e6

General

Target

d73f2bf708ba9ca4ffca7dc70c183dc5589b9f8ced28efb2a01e073192f1b4e6.dll
Size

248KB
MD5

5778efddf82b38c2fb0db0271fd922b1
SHA1

50e9d8fde0ed1867b968809de3239cc871df2801
SHA256

d73f2bf708ba9ca4ffca7dc70c183dc5589b9f8ced28efb2a01e073192f1b4e6
SHA512

3a99c88e1e56b27027d829cbf04a973d8ab967963855cddc45dafd73650a1c9687dee8ab4fc69ee277d23d0f98728e372cc513ddf79331d91505941f74b65560

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

3264 rundll32Srv.exe
3036 DesktopLayer.exe

pid	process
3264	rundll32Srv.exe
3036	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/3264-124-0x0000000000400000-0x000000000042E000-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\pxBD99.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

2056 1052 WerFault.exe rundll32.exe

pid	pid_target	process	target process
2056	1052	WerFault.exe	rundll32.exe

Modifies Internet Explorer settings 1 TTPs 17 IoCs

adware spyware

Modify Registry

T1112

Processes:

iexplore.exeIEXPLORE.EXE

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "327134243"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Internet Explorer\FlipAhead	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{7614ABD6-B47A-11EB-B2DB-DAB5BEA07F06} = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Internet Explorer\HistoryJournalCertificate	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Internet Explorer\HistoryJournalCertificate\NextUpdateDate = "327134300"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Internet Explorer\FlipAhead\NextUpdateDate = "327134412"	iexplore.exe

Suspicious behavior: EnumeratesProcesses 25 IoCs

Processes:

rundll32.exeDesktopLayer.exeWerFault.exe

pid	process
1052	rundll32.exe
1052	rundll32.exe
3036	DesktopLayer.exe
3036	DesktopLayer.exe
3036	DesktopLayer.exe
3036	DesktopLayer.exe
3036	DesktopLayer.exe
3036	DesktopLayer.exe
3036	DesktopLayer.exe
3036	DesktopLayer.exe
2056	WerFault.exe
2056	WerFault.exe
2056	WerFault.exe
2056	WerFault.exe
2056	WerFault.exe
2056	WerFault.exe
2056	WerFault.exe
2056	WerFault.exe
2056	WerFault.exe
2056	WerFault.exe
2056	WerFault.exe
2056	WerFault.exe
2056	WerFault.exe
2056	WerFault.exe
2056	WerFault.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

WerFault.exe

description pid process

Token: SeRestorePrivilege 2056 WerFault.exe
Token: SeBackupPrivilege 2056 WerFault.exe
Token: SeDebugPrivilege 2056 WerFault.exe
Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

iexplore.exe

pid process

3804 iexplore.exe
Suspicious use of SetWindowsHookEx 6 IoCs

Processes:

iexplore.exeIEXPLORE.EXE

pid process

3804 iexplore.exe
3804 iexplore.exe
588 IEXPLORE.EXE
588 IEXPLORE.EXE
588 IEXPLORE.EXE
588 IEXPLORE.EXE

description	pid	process
Token: SeRestorePrivilege	2056	WerFault.exe
Token: SeBackupPrivilege	2056	WerFault.exe
Token: SeDebugPrivilege	2056	WerFault.exe

pid	process
3804	iexplore.exe

pid	process
3804	iexplore.exe
3804	iexplore.exe
588	IEXPLORE.EXE
588	IEXPLORE.EXE
588	IEXPLORE.EXE
588	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

rundll32.exerundll32.exerundll32Srv.exeDesktopLayer.exeiexplore.exe

description	pid	process	target process
PID 856 wrote to memory of 1052	856	rundll32.exe	rundll32.exe
PID 856 wrote to memory of 1052	856	rundll32.exe	rundll32.exe
PID 856 wrote to memory of 1052	856	rundll32.exe	rundll32.exe
PID 1052 wrote to memory of 3264	1052	rundll32.exe	rundll32Srv.exe
PID 1052 wrote to memory of 3264	1052	rundll32.exe	rundll32Srv.exe
PID 1052 wrote to memory of 3264	1052	rundll32.exe	rundll32Srv.exe
PID 3264 wrote to memory of 3036	3264	rundll32Srv.exe	DesktopLayer.exe
PID 3264 wrote to memory of 3036	3264	rundll32Srv.exe	DesktopLayer.exe
PID 3264 wrote to memory of 3036	3264	rundll32Srv.exe	DesktopLayer.exe
PID 3036 wrote to memory of 3804	3036	DesktopLayer.exe	iexplore.exe
PID 3036 wrote to memory of 3804	3036	DesktopLayer.exe	iexplore.exe
PID 3804 wrote to memory of 588	3804	iexplore.exe	IEXPLORE.EXE
PID 3804 wrote to memory of 588	3804	iexplore.exe	IEXPLORE.EXE
PID 3804 wrote to memory of 588	3804	iexplore.exe	IEXPLORE.EXE

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\d73f2bf708ba9ca4ffca7dc70c183dc5589b9f8ced28efb2a01e073192f1b4e6.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:856

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\d73f2bf708ba9ca4ffca7dc70c183dc5589b9f8ced28efb2a01e073192f1b4e6.dll,#1
2⤵
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1052

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:3264

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:3036

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:3804

C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3804 CREDAT:82945 /prefetch:2
6⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:588

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1052 -s 776
3⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2056

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:\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/588-128-0x0000000000000000-mapping.dmp

Download
memory/1052-114-0x0000000000000000-mapping.dmp

Download
memory/3036-118-0x0000000000000000-mapping.dmp

Download
memory/3036-121-0x00000000001F0000-0x00000000001F1000-memory.dmp

Filesize
4KB

Download
memory/3264-115-0x0000000000000000-mapping.dmp

Download
memory/3264-123-0x00000000001E0000-0x00000000001EF000-memory.dmp

Filesize
60KB

Download
memory/3264-124-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/3804-122-0x0000000000000000-mapping.dmp

Download
memory/3804-127-0x00007FFA0C970000-0x00007FFA0C9DB000-memory.dmp

Filesize
428KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads