ramnit | 7204534a0a9814ac77455281c46413898cef64d463d2299e03084ab7f4d0d292

Analysis

max time kernel
150s
max time network
143s
platform
windows7_x64
resource
win7-20240220-en
resource tags

arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
submitted
02-07-2024 05:32

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General

Target

1e28c46f8669b44ca935f37e96ed6b7b_JaffaCakes118.exe
Size

98KB
MD5

1e28c46f8669b44ca935f37e96ed6b7b
SHA1

3c6c67eb6eb9cb43fb662c07f54ce28ff6e2742a
SHA256

7204534a0a9814ac77455281c46413898cef64d463d2299e03084ab7f4d0d292
SHA512

9e4d4f2e6ed0f972ec2a1fb55892dafc0c3212eb8e87de434e32a0c336ad1f80fe21ee30a3bd950256b85a5fe2521d15a94234bffb57b038acd8ace281d92a51
SSDEEP

3072:QVWf9dbtKjpO14qkdzlgZSpGbTzjwaaHw7Koj4ri:iwj5KjZqSyT3

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

Executes dropped EXE 1 IoCs

Processes:

xbioglfjuxyikqfj.exe

pid process

2560 xbioglfjuxyikqfj.exe

pid	process
2560	xbioglfjuxyikqfj.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:

1e28c46f8669b44ca935f37e96ed6b7b_JaffaCakes118.exe

pid	process
1708	1e28c46f8669b44ca935f37e96ed6b7b_JaffaCakes118.exe
1708	1e28c46f8669b44ca935f37e96ed6b7b_JaffaCakes118.exe
1708	1e28c46f8669b44ca935f37e96ed6b7b_JaffaCakes118.exe
1708	1e28c46f8669b44ca935f37e96ed6b7b_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-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows\CurrentVersion\Run\GvoFgkjm = "C:\\Users\\Admin\\AppData\\Local\\xpwsvhdv\\gvofgkjm.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
2656	svchost.exe
2656	svchost.exe
2656	svchost.exe
2656	svchost.exe
2656	svchost.exe
2656	svchost.exe
2656	svchost.exe
2656	svchost.exe
2656	svchost.exe
2656	svchost.exe
2656	svchost.exe
2656	svchost.exe
2656	svchost.exe
2656	svchost.exe
2656	svchost.exe
2656	svchost.exe
2656	svchost.exe
2656	svchost.exe
2656	svchost.exe
2656	svchost.exe
2656	svchost.exe
2656	svchost.exe
2656	svchost.exe
2656	svchost.exe
2656	svchost.exe
2656	svchost.exe
2656	svchost.exe
2656	svchost.exe
2656	svchost.exe
2656	svchost.exe
2656	svchost.exe
2656	svchost.exe
2656	svchost.exe
2656	svchost.exe
2656	svchost.exe
2656	svchost.exe
2656	svchost.exe
2656	svchost.exe
2656	svchost.exe
2656	svchost.exe
2656	svchost.exe
2656	svchost.exe
2656	svchost.exe
2656	svchost.exe
2656	svchost.exe
2656	svchost.exe
2656	svchost.exe
2656	svchost.exe
2656	svchost.exe
2656	svchost.exe
2656	svchost.exe
2656	svchost.exe
2656	svchost.exe
2656	svchost.exe
2656	svchost.exe
2656	svchost.exe
2656	svchost.exe
2656	svchost.exe
2656	svchost.exe
2656	svchost.exe
2656	svchost.exe
2656	svchost.exe
2656	svchost.exe
2656	svchost.exe

Suspicious behavior: LoadsDriver 1 IoCs

Processes:

pid process

484

pid	process
484

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

1e28c46f8669b44ca935f37e96ed6b7b_JaffaCakes118.exesvchost.exesvchost.exexbioglfjuxyikqfj.exe

description	pid	process
Token: SeSecurityPrivilege	1708	1e28c46f8669b44ca935f37e96ed6b7b_JaffaCakes118.exe
Token: SeDebugPrivilege	1708	1e28c46f8669b44ca935f37e96ed6b7b_JaffaCakes118.exe
Token: SeSecurityPrivilege	1144	svchost.exe
Token: SeSecurityPrivilege	2656	svchost.exe
Token: SeDebugPrivilege	2656	svchost.exe
Token: SeRestorePrivilege	2656	svchost.exe
Token: SeBackupPrivilege	2656	svchost.exe
Token: SeRestorePrivilege	2656	svchost.exe
Token: SeBackupPrivilege	2656	svchost.exe
Token: SeRestorePrivilege	2656	svchost.exe
Token: SeBackupPrivilege	2656	svchost.exe
Token: SeRestorePrivilege	2656	svchost.exe
Token: SeBackupPrivilege	2656	svchost.exe
Token: SeRestorePrivilege	2656	svchost.exe
Token: SeBackupPrivilege	2656	svchost.exe
Token: SeRestorePrivilege	2656	svchost.exe
Token: SeBackupPrivilege	2656	svchost.exe
Token: SeSecurityPrivilege	2560	xbioglfjuxyikqfj.exe
Token: SeLoadDriverPrivilege	2560	xbioglfjuxyikqfj.exe
Token: SeRestorePrivilege	2656	svchost.exe
Token: SeBackupPrivilege	2656	svchost.exe
Token: SeRestorePrivilege	2656	svchost.exe
Token: SeBackupPrivilege	2656	svchost.exe
Token: SeRestorePrivilege	2656	svchost.exe
Token: SeBackupPrivilege	2656	svchost.exe
Token: SeRestorePrivilege	2656	svchost.exe
Token: SeBackupPrivilege	2656	svchost.exe
Token: SeRestorePrivilege	2656	svchost.exe
Token: SeBackupPrivilege	2656	svchost.exe
Token: SeRestorePrivilege	2656	svchost.exe
Token: SeBackupPrivilege	2656	svchost.exe
Token: SeRestorePrivilege	2656	svchost.exe
Token: SeBackupPrivilege	2656	svchost.exe
Token: SeRestorePrivilege	2656	svchost.exe
Token: SeBackupPrivilege	2656	svchost.exe
Token: SeRestorePrivilege	2656	svchost.exe
Token: SeBackupPrivilege	2656	svchost.exe
Token: SeRestorePrivilege	2656	svchost.exe
Token: SeBackupPrivilege	2656	svchost.exe
Token: SeRestorePrivilege	2656	svchost.exe
Token: SeBackupPrivilege	2656	svchost.exe
Token: SeRestorePrivilege	2656	svchost.exe
Token: SeBackupPrivilege	2656	svchost.exe
Token: SeRestorePrivilege	2656	svchost.exe
Token: SeBackupPrivilege	2656	svchost.exe
Token: SeRestorePrivilege	2656	svchost.exe
Token: SeBackupPrivilege	2656	svchost.exe
Token: SeRestorePrivilege	2656	svchost.exe
Token: SeBackupPrivilege	2656	svchost.exe
Token: SeRestorePrivilege	2656	svchost.exe
Token: SeBackupPrivilege	2656	svchost.exe
Token: SeRestorePrivilege	2656	svchost.exe
Token: SeBackupPrivilege	2656	svchost.exe
Token: SeRestorePrivilege	2656	svchost.exe
Token: SeBackupPrivilege	2656	svchost.exe
Token: SeRestorePrivilege	2656	svchost.exe
Token: SeBackupPrivilege	2656	svchost.exe
Token: SeRestorePrivilege	2656	svchost.exe
Token: SeBackupPrivilege	2656	svchost.exe
Token: SeRestorePrivilege	2656	svchost.exe
Token: SeBackupPrivilege	2656	svchost.exe
Token: SeRestorePrivilege	2656	svchost.exe
Token: SeBackupPrivilege	2656	svchost.exe
Token: SeRestorePrivilege	2656	svchost.exe

Suspicious use of WriteProcessMemory 24 IoCs

Processes:

1e28c46f8669b44ca935f37e96ed6b7b_JaffaCakes118.exe

description	pid	process	target process
PID 1708 wrote to memory of 1144	1708	1e28c46f8669b44ca935f37e96ed6b7b_JaffaCakes118.exe	svchost.exe
PID 1708 wrote to memory of 1144	1708	1e28c46f8669b44ca935f37e96ed6b7b_JaffaCakes118.exe	svchost.exe
PID 1708 wrote to memory of 1144	1708	1e28c46f8669b44ca935f37e96ed6b7b_JaffaCakes118.exe	svchost.exe
PID 1708 wrote to memory of 1144	1708	1e28c46f8669b44ca935f37e96ed6b7b_JaffaCakes118.exe	svchost.exe
PID 1708 wrote to memory of 1144	1708	1e28c46f8669b44ca935f37e96ed6b7b_JaffaCakes118.exe	svchost.exe
PID 1708 wrote to memory of 1144	1708	1e28c46f8669b44ca935f37e96ed6b7b_JaffaCakes118.exe	svchost.exe
PID 1708 wrote to memory of 1144	1708	1e28c46f8669b44ca935f37e96ed6b7b_JaffaCakes118.exe	svchost.exe
PID 1708 wrote to memory of 1144	1708	1e28c46f8669b44ca935f37e96ed6b7b_JaffaCakes118.exe	svchost.exe
PID 1708 wrote to memory of 1144	1708	1e28c46f8669b44ca935f37e96ed6b7b_JaffaCakes118.exe	svchost.exe
PID 1708 wrote to memory of 1144	1708	1e28c46f8669b44ca935f37e96ed6b7b_JaffaCakes118.exe	svchost.exe
PID 1708 wrote to memory of 2656	1708	1e28c46f8669b44ca935f37e96ed6b7b_JaffaCakes118.exe	svchost.exe
PID 1708 wrote to memory of 2656	1708	1e28c46f8669b44ca935f37e96ed6b7b_JaffaCakes118.exe	svchost.exe
PID 1708 wrote to memory of 2656	1708	1e28c46f8669b44ca935f37e96ed6b7b_JaffaCakes118.exe	svchost.exe
PID 1708 wrote to memory of 2656	1708	1e28c46f8669b44ca935f37e96ed6b7b_JaffaCakes118.exe	svchost.exe
PID 1708 wrote to memory of 2656	1708	1e28c46f8669b44ca935f37e96ed6b7b_JaffaCakes118.exe	svchost.exe
PID 1708 wrote to memory of 2656	1708	1e28c46f8669b44ca935f37e96ed6b7b_JaffaCakes118.exe	svchost.exe
PID 1708 wrote to memory of 2656	1708	1e28c46f8669b44ca935f37e96ed6b7b_JaffaCakes118.exe	svchost.exe
PID 1708 wrote to memory of 2656	1708	1e28c46f8669b44ca935f37e96ed6b7b_JaffaCakes118.exe	svchost.exe
PID 1708 wrote to memory of 2656	1708	1e28c46f8669b44ca935f37e96ed6b7b_JaffaCakes118.exe	svchost.exe
PID 1708 wrote to memory of 2656	1708	1e28c46f8669b44ca935f37e96ed6b7b_JaffaCakes118.exe	svchost.exe
PID 1708 wrote to memory of 2560	1708	1e28c46f8669b44ca935f37e96ed6b7b_JaffaCakes118.exe	xbioglfjuxyikqfj.exe
PID 1708 wrote to memory of 2560	1708	1e28c46f8669b44ca935f37e96ed6b7b_JaffaCakes118.exe	xbioglfjuxyikqfj.exe
PID 1708 wrote to memory of 2560	1708	1e28c46f8669b44ca935f37e96ed6b7b_JaffaCakes118.exe	xbioglfjuxyikqfj.exe
PID 1708 wrote to memory of 2560	1708	1e28c46f8669b44ca935f37e96ed6b7b_JaffaCakes118.exe	xbioglfjuxyikqfj.exe

C:\Users\Admin\AppData\Local\Temp\1e28c46f8669b44ca935f37e96ed6b7b_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\1e28c46f8669b44ca935f37e96ed6b7b_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1708

C:\Windows\SysWOW64\svchost.exe
C:\Windows\system32\svchost.exe
2⤵
- Suspicious use of AdjustPrivilegeToken
PID:1144

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:2656

C:\Users\Admin\AppData\Local\Temp\xbioglfjuxyikqfj.exe
"C:\Users\Admin\AppData\Local\Temp\xbioglfjuxyikqfj.exe"
2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:2560

Network

MITRE ATT&CK Matrix ATT&CK v13

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\xpwsvhdv\gvofgkjm.exe
Filesize
98KB

MD5
1e28c46f8669b44ca935f37e96ed6b7b

SHA1
3c6c67eb6eb9cb43fb662c07f54ce28ff6e2742a

SHA256
7204534a0a9814ac77455281c46413898cef64d463d2299e03084ab7f4d0d292

SHA512
9e4d4f2e6ed0f972ec2a1fb55892dafc0c3212eb8e87de434e32a0c336ad1f80fe21ee30a3bd950256b85a5fe2521d15a94234bffb57b038acd8ace281d92a51

Download Submit
memory/1144-23-0x0000000000060000-0x0000000000061000-memory.dmp

Filesize
4KB

Download
memory/1144-19-0x0000000020010000-0x000000002001C000-memory.dmp

Filesize
48KB

Download
memory/1144-22-0x0000000000050000-0x0000000000051000-memory.dmp

Filesize
4KB

Download
memory/1144-14-0x0000000020010000-0x000000002001C000-memory.dmp

Filesize
48KB

Download
memory/1144-21-0x0000000000070000-0x0000000000071000-memory.dmp

Filesize
4KB

Download
memory/1144-7-0x0000000020010000-0x000000002001C000-memory.dmp

Filesize
48KB

Download
memory/1144-9-0x0000000000050000-0x0000000000051000-memory.dmp

Filesize
4KB

Download
memory/1144-18-0x0000000020010000-0x000000002001C000-memory.dmp

Filesize
48KB

Download
memory/1144-20-0x0000000020010000-0x000000002001C000-memory.dmp

Filesize
48KB

Download
memory/1708-26-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/1708-34-0x0000000076FAF000-0x0000000076FB0000-memory.dmp

Filesize
4KB

Download
memory/1708-69-0x0000000002B70000-0x0000000002BA9000-memory.dmp

Filesize
228KB

Download
memory/1708-5-0x0000000000280000-0x0000000000281000-memory.dmp

Filesize
4KB

Download
memory/1708-4-0x0000000000270000-0x0000000000271000-memory.dmp

Filesize
4KB

Download
memory/1708-13-0x0000000000400000-0x0000000000438B40-memory.dmp

Filesize
226KB

Download
memory/1708-0-0x0000000000400000-0x0000000000438B40-memory.dmp

Filesize
226KB

Download
memory/1708-2-0x0000000000400000-0x0000000000438B40-memory.dmp

Filesize
226KB

Download
memory/1708-33-0x0000000076FB0000-0x0000000076FB1000-memory.dmp

Filesize
4KB

Download
memory/1708-84-0x0000000002B80000-0x0000000002BB9000-memory.dmp

Filesize
228KB

Download
memory/1708-85-0x0000000002B80000-0x0000000002BB9000-memory.dmp

Filesize
228KB

Download
memory/1708-1-0x0000000000400000-0x0000000000439000-memory.dmp

Filesize
228KB

Download
memory/1708-74-0x0000000000400000-0x0000000000438B40-memory.dmp

Filesize
226KB

Download
memory/1708-75-0x0000000002B70000-0x0000000002BA9000-memory.dmp

Filesize
228KB

Download
memory/1708-67-0x0000000000400000-0x0000000000439000-memory.dmp

Filesize
228KB

Download
memory/1708-54-0x0000000076FB0000-0x0000000076FB1000-memory.dmp

Filesize
4KB

Download
memory/2560-89-0x0000000000400000-0x0000000000438B40-memory.dmp

Filesize
226KB

Download
memory/2560-86-0x0000000000400000-0x0000000000438B40-memory.dmp

Filesize
226KB

Download
memory/2560-92-0x0000000000400000-0x0000000000439000-memory.dmp

Filesize
228KB

Download
memory/2560-93-0x0000000000400000-0x0000000000438B40-memory.dmp

Filesize
226KB

Download
memory/2560-88-0x0000000000400000-0x0000000000439000-memory.dmp

Filesize
228KB

Download
memory/2656-44-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2656-94-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2656-49-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2656-45-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2656-35-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2656-27-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2656-52-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2656-55-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2656-58-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2656-61-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2656-95-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2656-96-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2656-97-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2656-98-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2656-99-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2656-100-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2656-101-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2656-102-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2656-103-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download