ramnit | cef6fb469154c9805fa9ca778a7919840695f9bc074e1d2e484d0c8dcb70cfe3

Analysis

max time kernel
150s
max time network
143s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
28-06-2024 09:01

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General

Target

198c3d7beef8f5107eb884dd35a6bf07_JaffaCakes118.exe
Size

91KB
MD5

198c3d7beef8f5107eb884dd35a6bf07
SHA1

fedc3200cac20e80ec712b9a72346540cff454ef
SHA256

cef6fb469154c9805fa9ca778a7919840695f9bc074e1d2e484d0c8dcb70cfe3
SHA512

3a8a1123d8b7b0ddad271191985858be23591976887a54a7215e3ad78fcdd9e9d8ba0041d31e873c1231b42a58d83f867040cb96171e12b21f09ccd1435fde2a
SSDEEP

1536:duteSLtAYHRNGu2+NICv3DU3ei1tE7jwaaHw7Koj4rL/OpNGiY:IY8tHHRNGV+eCfkLgjwaaHw7Koj4rK

Score

10^/10

ramnit banker defense_evasion evasion persistence spyware stealer trojan worm

Malware Config

Signatures

Modifies WinLogon for persistence 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1547.004

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\\vlebbwdg\\ervnlamt.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
T1548.002

Disable or Modify Tools
T1562.001

Modify Registry
T1112

Processes:

svchost.exe

description ioc process

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

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

Executes dropped EXE 1 IoCs

Processes:

vwqlqcldkjlplsww.exe

pid process

3036 vwqlqcldkjlplsww.exe

pid	process
3036	vwqlqcldkjlplsww.exe

Impair Defenses: Safe Mode Boot 1 TTPs 3 IoCs

defense_evasion

Safe Mode Boot

T1562.009

Processes:

svchost.exe

description	ioc	process
Key deleted	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\SafeBoot\Minimal\WinDefend	svchost.exe
Key deleted	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\SafeBoot\Minimal\ProfSvc	svchost.exe
Key deleted	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\SafeBoot\Minimal\Power	svchost.exe

Loads dropped DLL 4 IoCs

Processes:

198c3d7beef8f5107eb884dd35a6bf07_JaffaCakes118.exe

pid	process
2392	198c3d7beef8f5107eb884dd35a6bf07_JaffaCakes118.exe
2392	198c3d7beef8f5107eb884dd35a6bf07_JaffaCakes118.exe
2392	198c3d7beef8f5107eb884dd35a6bf07_JaffaCakes118.exe
2392	198c3d7beef8f5107eb884dd35a6bf07_JaffaCakes118.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

svchost.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Windows\CurrentVersion\Run\ErvNlamt = "C:\\Users\\Admin\\AppData\\Local\\vlebbwdg\\ervnlamt.exe"	svchost.exe

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

svchost.exe

pid	process
2284	svchost.exe
2284	svchost.exe
2284	svchost.exe
2284	svchost.exe
2284	svchost.exe
2284	svchost.exe
2284	svchost.exe
2284	svchost.exe
2284	svchost.exe
2284	svchost.exe
2284	svchost.exe
2284	svchost.exe
2284	svchost.exe
2284	svchost.exe
2284	svchost.exe
2284	svchost.exe
2284	svchost.exe
2284	svchost.exe
2284	svchost.exe
2284	svchost.exe
2284	svchost.exe
2284	svchost.exe
2284	svchost.exe
2284	svchost.exe
2284	svchost.exe
2284	svchost.exe
2284	svchost.exe
2284	svchost.exe
2284	svchost.exe
2284	svchost.exe
2284	svchost.exe
2284	svchost.exe
2284	svchost.exe
2284	svchost.exe
2284	svchost.exe
2284	svchost.exe
2284	svchost.exe
2284	svchost.exe
2284	svchost.exe
2284	svchost.exe
2284	svchost.exe
2284	svchost.exe
2284	svchost.exe
2284	svchost.exe
2284	svchost.exe
2284	svchost.exe
2284	svchost.exe
2284	svchost.exe
2284	svchost.exe
2284	svchost.exe
2284	svchost.exe
2284	svchost.exe
2284	svchost.exe
2284	svchost.exe
2284	svchost.exe
2284	svchost.exe
2284	svchost.exe
2284	svchost.exe
2284	svchost.exe
2284	svchost.exe
2284	svchost.exe
2284	svchost.exe
2284	svchost.exe
2284	svchost.exe

Suspicious behavior: LoadsDriver 1 IoCs

Processes:

pid process

480

pid	process
480

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

198c3d7beef8f5107eb884dd35a6bf07_JaffaCakes118.exesvchost.exesvchost.exevwqlqcldkjlplsww.exe

description	pid	process
Token: SeSecurityPrivilege	2392	198c3d7beef8f5107eb884dd35a6bf07_JaffaCakes118.exe
Token: SeDebugPrivilege	2392	198c3d7beef8f5107eb884dd35a6bf07_JaffaCakes118.exe
Token: SeSecurityPrivilege	2984	svchost.exe
Token: SeSecurityPrivilege	2284	svchost.exe
Token: SeDebugPrivilege	2284	svchost.exe
Token: SeRestorePrivilege	2284	svchost.exe
Token: SeBackupPrivilege	2284	svchost.exe
Token: SeRestorePrivilege	2284	svchost.exe
Token: SeBackupPrivilege	2284	svchost.exe
Token: SeRestorePrivilege	2284	svchost.exe
Token: SeBackupPrivilege	2284	svchost.exe
Token: SeRestorePrivilege	2284	svchost.exe
Token: SeBackupPrivilege	2284	svchost.exe
Token: SeRestorePrivilege	2284	svchost.exe
Token: SeBackupPrivilege	2284	svchost.exe
Token: SeRestorePrivilege	2284	svchost.exe
Token: SeBackupPrivilege	2284	svchost.exe
Token: SeSecurityPrivilege	3036	vwqlqcldkjlplsww.exe
Token: SeLoadDriverPrivilege	3036	vwqlqcldkjlplsww.exe
Token: SeRestorePrivilege	2284	svchost.exe
Token: SeBackupPrivilege	2284	svchost.exe
Token: SeRestorePrivilege	2284	svchost.exe
Token: SeBackupPrivilege	2284	svchost.exe
Token: SeRestorePrivilege	2284	svchost.exe
Token: SeBackupPrivilege	2284	svchost.exe
Token: SeRestorePrivilege	2284	svchost.exe
Token: SeBackupPrivilege	2284	svchost.exe
Token: SeRestorePrivilege	2284	svchost.exe
Token: SeBackupPrivilege	2284	svchost.exe
Token: SeRestorePrivilege	2284	svchost.exe
Token: SeBackupPrivilege	2284	svchost.exe
Token: SeRestorePrivilege	2284	svchost.exe
Token: SeBackupPrivilege	2284	svchost.exe
Token: SeRestorePrivilege	2284	svchost.exe
Token: SeBackupPrivilege	2284	svchost.exe
Token: SeRestorePrivilege	2284	svchost.exe
Token: SeBackupPrivilege	2284	svchost.exe
Token: SeRestorePrivilege	2284	svchost.exe
Token: SeBackupPrivilege	2284	svchost.exe
Token: SeRestorePrivilege	2284	svchost.exe
Token: SeBackupPrivilege	2284	svchost.exe
Token: SeRestorePrivilege	2284	svchost.exe
Token: SeBackupPrivilege	2284	svchost.exe
Token: SeRestorePrivilege	2284	svchost.exe
Token: SeBackupPrivilege	2284	svchost.exe
Token: SeRestorePrivilege	2284	svchost.exe
Token: SeBackupPrivilege	2284	svchost.exe
Token: SeRestorePrivilege	2284	svchost.exe
Token: SeBackupPrivilege	2284	svchost.exe
Token: SeRestorePrivilege	2284	svchost.exe
Token: SeBackupPrivilege	2284	svchost.exe
Token: SeRestorePrivilege	2284	svchost.exe
Token: SeBackupPrivilege	2284	svchost.exe
Token: SeRestorePrivilege	2284	svchost.exe
Token: SeBackupPrivilege	2284	svchost.exe
Token: SeRestorePrivilege	2284	svchost.exe
Token: SeBackupPrivilege	2284	svchost.exe
Token: SeRestorePrivilege	2284	svchost.exe
Token: SeBackupPrivilege	2284	svchost.exe
Token: SeRestorePrivilege	2284	svchost.exe
Token: SeBackupPrivilege	2284	svchost.exe
Token: SeRestorePrivilege	2284	svchost.exe
Token: SeBackupPrivilege	2284	svchost.exe
Token: SeRestorePrivilege	2284	svchost.exe

Suspicious use of WriteProcessMemory 24 IoCs

Processes:

198c3d7beef8f5107eb884dd35a6bf07_JaffaCakes118.exe

description	pid	process	target process
PID 2392 wrote to memory of 2984	2392	198c3d7beef8f5107eb884dd35a6bf07_JaffaCakes118.exe	svchost.exe
PID 2392 wrote to memory of 2984	2392	198c3d7beef8f5107eb884dd35a6bf07_JaffaCakes118.exe	svchost.exe
PID 2392 wrote to memory of 2984	2392	198c3d7beef8f5107eb884dd35a6bf07_JaffaCakes118.exe	svchost.exe
PID 2392 wrote to memory of 2984	2392	198c3d7beef8f5107eb884dd35a6bf07_JaffaCakes118.exe	svchost.exe
PID 2392 wrote to memory of 2984	2392	198c3d7beef8f5107eb884dd35a6bf07_JaffaCakes118.exe	svchost.exe
PID 2392 wrote to memory of 2984	2392	198c3d7beef8f5107eb884dd35a6bf07_JaffaCakes118.exe	svchost.exe
PID 2392 wrote to memory of 2984	2392	198c3d7beef8f5107eb884dd35a6bf07_JaffaCakes118.exe	svchost.exe
PID 2392 wrote to memory of 2984	2392	198c3d7beef8f5107eb884dd35a6bf07_JaffaCakes118.exe	svchost.exe
PID 2392 wrote to memory of 2984	2392	198c3d7beef8f5107eb884dd35a6bf07_JaffaCakes118.exe	svchost.exe
PID 2392 wrote to memory of 2984	2392	198c3d7beef8f5107eb884dd35a6bf07_JaffaCakes118.exe	svchost.exe
PID 2392 wrote to memory of 2284	2392	198c3d7beef8f5107eb884dd35a6bf07_JaffaCakes118.exe	svchost.exe
PID 2392 wrote to memory of 2284	2392	198c3d7beef8f5107eb884dd35a6bf07_JaffaCakes118.exe	svchost.exe
PID 2392 wrote to memory of 2284	2392	198c3d7beef8f5107eb884dd35a6bf07_JaffaCakes118.exe	svchost.exe
PID 2392 wrote to memory of 2284	2392	198c3d7beef8f5107eb884dd35a6bf07_JaffaCakes118.exe	svchost.exe
PID 2392 wrote to memory of 2284	2392	198c3d7beef8f5107eb884dd35a6bf07_JaffaCakes118.exe	svchost.exe
PID 2392 wrote to memory of 2284	2392	198c3d7beef8f5107eb884dd35a6bf07_JaffaCakes118.exe	svchost.exe
PID 2392 wrote to memory of 2284	2392	198c3d7beef8f5107eb884dd35a6bf07_JaffaCakes118.exe	svchost.exe
PID 2392 wrote to memory of 2284	2392	198c3d7beef8f5107eb884dd35a6bf07_JaffaCakes118.exe	svchost.exe
PID 2392 wrote to memory of 2284	2392	198c3d7beef8f5107eb884dd35a6bf07_JaffaCakes118.exe	svchost.exe
PID 2392 wrote to memory of 2284	2392	198c3d7beef8f5107eb884dd35a6bf07_JaffaCakes118.exe	svchost.exe
PID 2392 wrote to memory of 3036	2392	198c3d7beef8f5107eb884dd35a6bf07_JaffaCakes118.exe	vwqlqcldkjlplsww.exe
PID 2392 wrote to memory of 3036	2392	198c3d7beef8f5107eb884dd35a6bf07_JaffaCakes118.exe	vwqlqcldkjlplsww.exe
PID 2392 wrote to memory of 3036	2392	198c3d7beef8f5107eb884dd35a6bf07_JaffaCakes118.exe	vwqlqcldkjlplsww.exe
PID 2392 wrote to memory of 3036	2392	198c3d7beef8f5107eb884dd35a6bf07_JaffaCakes118.exe	vwqlqcldkjlplsww.exe

C:\Users\Admin\AppData\Local\Temp\198c3d7beef8f5107eb884dd35a6bf07_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\198c3d7beef8f5107eb884dd35a6bf07_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2392

C:\Windows\SysWOW64\svchost.exe
C:\Windows\system32\svchost.exe
2⤵
- Suspicious use of AdjustPrivilegeToken
PID:2984

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
- Impair Defenses: Safe Mode Boot
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2284

C:\Users\Admin\AppData\Local\Temp\vwqlqcldkjlplsww.exe
"C:\Users\Admin\AppData\Local\Temp\vwqlqcldkjlplsww.exe"
2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:3036

Network

MITRE ATT&CK Matrix ATT&CK v13

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\vlebbwdg\ervnlamt.exe
Filesize
91KB

MD5
198c3d7beef8f5107eb884dd35a6bf07

SHA1
fedc3200cac20e80ec712b9a72346540cff454ef

SHA256
cef6fb469154c9805fa9ca778a7919840695f9bc074e1d2e484d0c8dcb70cfe3

SHA512
3a8a1123d8b7b0ddad271191985858be23591976887a54a7215e3ad78fcdd9e9d8ba0041d31e873c1231b42a58d83f867040cb96171e12b21f09ccd1435fde2a

Download Submit
memory/2284-98-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2284-97-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2284-96-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2284-95-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2284-94-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2284-93-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2284-92-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2284-91-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2284-90-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2284-64-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2284-63-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2284-55-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2284-26-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2284-49-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2284-51-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2284-52-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2284-44-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2284-45-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2284-35-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2392-83-0x0000000000400000-0x000000000043907C-memory.dmp

Filesize
228KB

Download
memory/2392-5-0x0000000000280000-0x0000000000281000-memory.dmp

Filesize
4KB

Download
memory/2392-1-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/2392-29-0x0000000077810000-0x0000000077811000-memory.dmp

Filesize
4KB

Download
memory/2392-54-0x0000000077810000-0x0000000077811000-memory.dmp

Filesize
4KB

Download
memory/2392-30-0x000000007780F000-0x0000000077810000-memory.dmp

Filesize
4KB

Download
memory/2392-25-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2392-2-0x0000000000400000-0x000000000043907C-memory.dmp

Filesize
228KB

Download
memory/2392-13-0x0000000000400000-0x000000000043907C-memory.dmp

Filesize
228KB

Download
memory/2392-4-0x0000000000270000-0x0000000000271000-memory.dmp

Filesize
4KB

Download
memory/2392-73-0x0000000002BA0000-0x0000000002BDA000-memory.dmp

Filesize
232KB

Download
memory/2392-72-0x0000000002BA0000-0x0000000002BDA000-memory.dmp

Filesize
232KB

Download
memory/2392-80-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/2392-0-0x0000000000400000-0x000000000043907C-memory.dmp

Filesize
228KB

Download
memory/2984-20-0x0000000020010000-0x000000002001C000-memory.dmp

Filesize
48KB

Download
memory/2984-14-0x0000000000070000-0x0000000000071000-memory.dmp

Filesize
4KB

Download
memory/2984-15-0x0000000000050000-0x0000000000051000-memory.dmp

Filesize
4KB

Download
memory/2984-16-0x0000000020010000-0x000000002001C000-memory.dmp

Filesize
48KB

Download
memory/2984-22-0x0000000020010000-0x000000002001C000-memory.dmp

Filesize
48KB

Download
memory/2984-9-0x0000000000050000-0x0000000000051000-memory.dmp

Filesize
4KB

Download
memory/2984-7-0x0000000020010000-0x000000002001C000-memory.dmp

Filesize
48KB

Download
memory/2984-21-0x0000000020010000-0x000000002001C000-memory.dmp

Filesize
48KB

Download
memory/2984-28-0x0000000000060000-0x0000000000061000-memory.dmp

Filesize
4KB

Download
memory/3036-84-0x0000000000400000-0x000000000043907C-memory.dmp

Filesize
228KB

Download
memory/3036-88-0x0000000000400000-0x000000000043907C-memory.dmp

Filesize
228KB

Download
memory/3036-89-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/3036-85-0x0000000000400000-0x000000000043907C-memory.dmp

Filesize
228KB

Download