ramnit | aed5c7355746817265352226221264d35bf753a44f273912d42629019b7c4b8f

General

Target

aed5c7355746817265352226221264d35bf753a44f273912d42629019b7c4b8f.exe
Size

381KB
MD5

0957d5d8d21751f2fd1ad2015b19abe0
SHA1

c098ddc18a8a0dade35436f968eb43c1f4c9253c
SHA256

aed5c7355746817265352226221264d35bf753a44f273912d42629019b7c4b8f
SHA512

a7cbde567cd869828c757bd32a6571c401782bbdc54b76c1faa9e9b2509187b81dd85a0db641fa182c04edb598be75009ed02e9f0f196942d9662a8b1ed3e0b6
SSDEEP

6144:3rK18vkksg2P4vWigPJJJPJJJGJJA/+aU4Kau:3rMlM2QvgPJJJPJJJGJJpF

Score

10^/10

ramnit banker evasion persistence spyware stealer trojan worm

Malware Config

Signatures

Modifies WinLogon for persistence 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1004

Modify Registry

T1112

Processes:

svchost.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Userinit = "userinit.exe,C:\\Users\\Admin\\AppData\\Local\\agigviar\\imwsgijf.exe"	svchost.exe

Ramnit
Ramnit is a versatile family that holds viruses, worms, and Trojans.
trojan spyware stealer worm banker ramnit
UAC bypass 3 TTPs 1 IoCs
evasion trojan

Bypass User Account Control
T1088

Disabling Security Tools
T1089

Modify Registry
T1112

Processes:

svchost.exe

description ioc process

Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" svchost.exe
Executes dropped EXE 1 IoCs

Processes:

arunlkloqwsvtqwv.exe

pid process

1284 arunlkloqwsvtqwv.exe
Checks BIOS information in registry 2 TTPs 1 IoCs
BIOS information is often read in order to detect sandboxing environments.

Query Registry
T1012

System Information Discovery
T1082

Processes:

svchost.exe

description ioc process

Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion svchost.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	svchost.exe

pid	process
1284	arunlkloqwsvtqwv.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	svchost.exe

Drops startup file 2 IoCs

Processes:

svchost.exe

description	ioc	process
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\imwsgijf.exe	svchost.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\imwsgijf.exe	svchost.exe

Loads dropped DLL 4 IoCs

Processes:

aed5c7355746817265352226221264d35bf753a44f273912d42629019b7c4b8f.exe

pid	process
2008	aed5c7355746817265352226221264d35bf753a44f273912d42629019b7c4b8f.exe
2008	aed5c7355746817265352226221264d35bf753a44f273912d42629019b7c4b8f.exe
2008	aed5c7355746817265352226221264d35bf753a44f273912d42629019b7c4b8f.exe
2008	aed5c7355746817265352226221264d35bf753a44f273912d42629019b7c4b8f.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

svchost.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\ImwSgijf = "C:\\Users\\Admin\\AppData\\Local\\agigviar\\imwsgijf.exe"	svchost.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 43 IoCs

Processes:

svchost.exe

pid	process
1532	svchost.exe
1532	svchost.exe
1532	svchost.exe
1532	svchost.exe
1532	svchost.exe
1532	svchost.exe
1532	svchost.exe
1532	svchost.exe
1532	svchost.exe
1532	svchost.exe
1532	svchost.exe
1532	svchost.exe
1532	svchost.exe
1532	svchost.exe
1532	svchost.exe
1532	svchost.exe
1532	svchost.exe
1532	svchost.exe
1532	svchost.exe
1532	svchost.exe
1532	svchost.exe
1532	svchost.exe
1532	svchost.exe
1532	svchost.exe
1532	svchost.exe
1532	svchost.exe
1532	svchost.exe
1532	svchost.exe
1532	svchost.exe
1532	svchost.exe
1532	svchost.exe
1532	svchost.exe
1532	svchost.exe
1532	svchost.exe
1532	svchost.exe
1532	svchost.exe
1532	svchost.exe
1532	svchost.exe
1532	svchost.exe
1532	svchost.exe
1532	svchost.exe
1532	svchost.exe
1532	svchost.exe

Suspicious behavior: LoadsDriver 1 IoCs

Processes:

pid process

460

pid	process
460

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

aed5c7355746817265352226221264d35bf753a44f273912d42629019b7c4b8f.exesvchost.exesvchost.exearunlkloqwsvtqwv.exe

description	pid	process
Token: SeSecurityPrivilege	2008	aed5c7355746817265352226221264d35bf753a44f273912d42629019b7c4b8f.exe
Token: SeDebugPrivilege	2008	aed5c7355746817265352226221264d35bf753a44f273912d42629019b7c4b8f.exe
Token: SeSecurityPrivilege	1600	svchost.exe
Token: SeSecurityPrivilege	1532	svchost.exe
Token: SeDebugPrivilege	1532	svchost.exe
Token: SeRestorePrivilege	1532	svchost.exe
Token: SeBackupPrivilege	1532	svchost.exe
Token: SeRestorePrivilege	1532	svchost.exe
Token: SeBackupPrivilege	1532	svchost.exe
Token: SeRestorePrivilege	1532	svchost.exe
Token: SeBackupPrivilege	1532	svchost.exe
Token: SeRestorePrivilege	1532	svchost.exe
Token: SeBackupPrivilege	1532	svchost.exe
Token: SeSecurityPrivilege	1284	arunlkloqwsvtqwv.exe
Token: SeLoadDriverPrivilege	1284	arunlkloqwsvtqwv.exe
Token: SeRestorePrivilege	1532	svchost.exe
Token: SeBackupPrivilege	1532	svchost.exe
Token: SeRestorePrivilege	1532	svchost.exe
Token: SeBackupPrivilege	1532	svchost.exe
Token: SeRestorePrivilege	1532	svchost.exe
Token: SeBackupPrivilege	1532	svchost.exe
Token: SeRestorePrivilege	1532	svchost.exe
Token: SeBackupPrivilege	1532	svchost.exe
Token: SeRestorePrivilege	1532	svchost.exe
Token: SeBackupPrivilege	1532	svchost.exe
Token: SeRestorePrivilege	1532	svchost.exe
Token: SeBackupPrivilege	1532	svchost.exe
Token: SeRestorePrivilege	1532	svchost.exe
Token: SeBackupPrivilege	1532	svchost.exe
Token: SeRestorePrivilege	1532	svchost.exe
Token: SeBackupPrivilege	1532	svchost.exe
Token: SeRestorePrivilege	1532	svchost.exe
Token: SeBackupPrivilege	1532	svchost.exe
Token: SeRestorePrivilege	1532	svchost.exe
Token: SeBackupPrivilege	1532	svchost.exe
Token: SeRestorePrivilege	1532	svchost.exe
Token: SeBackupPrivilege	1532	svchost.exe
Token: SeRestorePrivilege	1532	svchost.exe
Token: SeBackupPrivilege	1532	svchost.exe
Token: SeRestorePrivilege	1532	svchost.exe
Token: SeBackupPrivilege	1532	svchost.exe
Token: SeRestorePrivilege	1532	svchost.exe
Token: SeBackupPrivilege	1532	svchost.exe
Token: SeRestorePrivilege	1532	svchost.exe
Token: SeBackupPrivilege	1532	svchost.exe
Token: SeRestorePrivilege	1532	svchost.exe
Token: SeBackupPrivilege	1532	svchost.exe
Token: SeRestorePrivilege	1532	svchost.exe
Token: SeBackupPrivilege	1532	svchost.exe
Token: SeRestorePrivilege	1532	svchost.exe
Token: SeBackupPrivilege	1532	svchost.exe
Token: SeRestorePrivilege	1532	svchost.exe
Token: SeBackupPrivilege	1532	svchost.exe
Token: SeRestorePrivilege	1532	svchost.exe
Token: SeBackupPrivilege	1532	svchost.exe
Token: SeRestorePrivilege	1532	svchost.exe
Token: SeBackupPrivilege	1532	svchost.exe
Token: SeRestorePrivilege	1532	svchost.exe
Token: SeBackupPrivilege	1532	svchost.exe
Token: SeRestorePrivilege	1532	svchost.exe
Token: SeBackupPrivilege	1532	svchost.exe
Token: SeRestorePrivilege	1532	svchost.exe
Token: SeBackupPrivilege	1532	svchost.exe
Token: SeRestorePrivilege	1532	svchost.exe

Suspicious use of WriteProcessMemory 24 IoCs

Processes:

aed5c7355746817265352226221264d35bf753a44f273912d42629019b7c4b8f.exe

description	pid	process	target process
PID 2008 wrote to memory of 1600	2008	aed5c7355746817265352226221264d35bf753a44f273912d42629019b7c4b8f.exe	svchost.exe
PID 2008 wrote to memory of 1600	2008	aed5c7355746817265352226221264d35bf753a44f273912d42629019b7c4b8f.exe	svchost.exe
PID 2008 wrote to memory of 1600	2008	aed5c7355746817265352226221264d35bf753a44f273912d42629019b7c4b8f.exe	svchost.exe
PID 2008 wrote to memory of 1600	2008	aed5c7355746817265352226221264d35bf753a44f273912d42629019b7c4b8f.exe	svchost.exe
PID 2008 wrote to memory of 1600	2008	aed5c7355746817265352226221264d35bf753a44f273912d42629019b7c4b8f.exe	svchost.exe
PID 2008 wrote to memory of 1600	2008	aed5c7355746817265352226221264d35bf753a44f273912d42629019b7c4b8f.exe	svchost.exe
PID 2008 wrote to memory of 1600	2008	aed5c7355746817265352226221264d35bf753a44f273912d42629019b7c4b8f.exe	svchost.exe
PID 2008 wrote to memory of 1600	2008	aed5c7355746817265352226221264d35bf753a44f273912d42629019b7c4b8f.exe	svchost.exe
PID 2008 wrote to memory of 1600	2008	aed5c7355746817265352226221264d35bf753a44f273912d42629019b7c4b8f.exe	svchost.exe
PID 2008 wrote to memory of 1600	2008	aed5c7355746817265352226221264d35bf753a44f273912d42629019b7c4b8f.exe	svchost.exe
PID 2008 wrote to memory of 1532	2008	aed5c7355746817265352226221264d35bf753a44f273912d42629019b7c4b8f.exe	svchost.exe
PID 2008 wrote to memory of 1532	2008	aed5c7355746817265352226221264d35bf753a44f273912d42629019b7c4b8f.exe	svchost.exe
PID 2008 wrote to memory of 1532	2008	aed5c7355746817265352226221264d35bf753a44f273912d42629019b7c4b8f.exe	svchost.exe
PID 2008 wrote to memory of 1532	2008	aed5c7355746817265352226221264d35bf753a44f273912d42629019b7c4b8f.exe	svchost.exe
PID 2008 wrote to memory of 1532	2008	aed5c7355746817265352226221264d35bf753a44f273912d42629019b7c4b8f.exe	svchost.exe
PID 2008 wrote to memory of 1532	2008	aed5c7355746817265352226221264d35bf753a44f273912d42629019b7c4b8f.exe	svchost.exe
PID 2008 wrote to memory of 1532	2008	aed5c7355746817265352226221264d35bf753a44f273912d42629019b7c4b8f.exe	svchost.exe
PID 2008 wrote to memory of 1532	2008	aed5c7355746817265352226221264d35bf753a44f273912d42629019b7c4b8f.exe	svchost.exe
PID 2008 wrote to memory of 1532	2008	aed5c7355746817265352226221264d35bf753a44f273912d42629019b7c4b8f.exe	svchost.exe
PID 2008 wrote to memory of 1532	2008	aed5c7355746817265352226221264d35bf753a44f273912d42629019b7c4b8f.exe	svchost.exe
PID 2008 wrote to memory of 1284	2008	aed5c7355746817265352226221264d35bf753a44f273912d42629019b7c4b8f.exe	arunlkloqwsvtqwv.exe
PID 2008 wrote to memory of 1284	2008	aed5c7355746817265352226221264d35bf753a44f273912d42629019b7c4b8f.exe	arunlkloqwsvtqwv.exe
PID 2008 wrote to memory of 1284	2008	aed5c7355746817265352226221264d35bf753a44f273912d42629019b7c4b8f.exe	arunlkloqwsvtqwv.exe
PID 2008 wrote to memory of 1284	2008	aed5c7355746817265352226221264d35bf753a44f273912d42629019b7c4b8f.exe	arunlkloqwsvtqwv.exe

C:\Users\Admin\AppData\Local\Temp\aed5c7355746817265352226221264d35bf753a44f273912d42629019b7c4b8f.exe
"C:\Users\Admin\AppData\Local\Temp\aed5c7355746817265352226221264d35bf753a44f273912d42629019b7c4b8f.exe"
1⤵
- Loads dropped DLL
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2008

C:\Windows\SysWOW64\svchost.exe
C:\Windows\system32\svchost.exe
2⤵
- Suspicious use of AdjustPrivilegeToken
PID:1600

C:\Windows\SysWOW64\svchost.exe
C:\Windows\system32\svchost.exe
2⤵
- Modifies WinLogon for persistence
- UAC bypass
- Checks BIOS information in registry
- Drops startup file
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1532

C:\Users\Admin\AppData\Local\Temp\arunlkloqwsvtqwv.exe
"C:\Users\Admin\AppData\Local\Temp\arunlkloqwsvtqwv.exe"
2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:1284

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Winlogon Helper DLL

1

T1004

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Bypass User Account Control

1

T1088

Defense Evasion

Modify Registry

3

T1112

Bypass User Account Control

1

T1088

Disabling Security Tools

1

T1089

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\arunlkloqwsvtqwv.exe
Filesize
381KB

MD5
0957d5d8d21751f2fd1ad2015b19abe0

SHA1
c098ddc18a8a0dade35436f968eb43c1f4c9253c

SHA256
aed5c7355746817265352226221264d35bf753a44f273912d42629019b7c4b8f

SHA512
a7cbde567cd869828c757bd32a6571c401782bbdc54b76c1faa9e9b2509187b81dd85a0db641fa182c04edb598be75009ed02e9f0f196942d9662a8b1ed3e0b6

Download Submit
\Users\Admin\AppData\Local\Temp\arunlkloqwsvtqwv.exe
Filesize
381KB

MD5
0957d5d8d21751f2fd1ad2015b19abe0

SHA1
c098ddc18a8a0dade35436f968eb43c1f4c9253c

SHA256
aed5c7355746817265352226221264d35bf753a44f273912d42629019b7c4b8f

SHA512
a7cbde567cd869828c757bd32a6571c401782bbdc54b76c1faa9e9b2509187b81dd85a0db641fa182c04edb598be75009ed02e9f0f196942d9662a8b1ed3e0b6

Download Submit
\Users\Admin\AppData\Local\Temp\arunlkloqwsvtqwv.exe
Filesize
381KB

MD5
0957d5d8d21751f2fd1ad2015b19abe0

SHA1
c098ddc18a8a0dade35436f968eb43c1f4c9253c

SHA256
aed5c7355746817265352226221264d35bf753a44f273912d42629019b7c4b8f

SHA512
a7cbde567cd869828c757bd32a6571c401782bbdc54b76c1faa9e9b2509187b81dd85a0db641fa182c04edb598be75009ed02e9f0f196942d9662a8b1ed3e0b6

Download Submit
\Users\Admin\AppData\Local\Temp\arunlkloqwsvtqwv.exe
Filesize
381KB

MD5
0957d5d8d21751f2fd1ad2015b19abe0

SHA1
c098ddc18a8a0dade35436f968eb43c1f4c9253c

SHA256
aed5c7355746817265352226221264d35bf753a44f273912d42629019b7c4b8f

SHA512
a7cbde567cd869828c757bd32a6571c401782bbdc54b76c1faa9e9b2509187b81dd85a0db641fa182c04edb598be75009ed02e9f0f196942d9662a8b1ed3e0b6

Download Submit
\Users\Admin\AppData\Local\Temp\arunlkloqwsvtqwv.exe
Filesize
381KB

MD5
0957d5d8d21751f2fd1ad2015b19abe0

SHA1
c098ddc18a8a0dade35436f968eb43c1f4c9253c

SHA256
aed5c7355746817265352226221264d35bf753a44f273912d42629019b7c4b8f

SHA512
a7cbde567cd869828c757bd32a6571c401782bbdc54b76c1faa9e9b2509187b81dd85a0db641fa182c04edb598be75009ed02e9f0f196942d9662a8b1ed3e0b6

Download Submit
memory/1284-78-0x0000000000000000-mapping.dmp

Download
memory/1284-81-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1284-82-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1532-69-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/1532-67-0x0000000000000000-mapping.dmp

Download
memory/1532-65-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/1600-59-0x0000000020010000-0x000000002001C000-memory.dmp

Filesize
48KB

Download
memory/1600-58-0x0000000000000000-mapping.dmp

Download
memory/1600-56-0x0000000020010000-0x000000002001C000-memory.dmp

Filesize
48KB

Download
memory/2008-73-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2008-54-0x00000000761F1000-0x00000000761F3000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads