ramnit | de04393109575f0710d6f61a4076d5c7c9cdf763c8d3ce6db7f0a6ef0beebda6

Analysis

max time kernel
150s
max time network
143s
platform
windows7_x64
resource
win7-20240611-en
resource tags

arch:x64arch:x86image:win7-20240611-enlocale:en-usos:windows7-x64system
submitted
01-07-2024 18:03

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General

Target

1bfa2bcd09f8fdf25eb6599f995b6854_JaffaCakes118.dll
Size

274KB
MD5

1bfa2bcd09f8fdf25eb6599f995b6854
SHA1

44e3b59790bccbb8650f5115bb07f4dd4b3bab60
SHA256

de04393109575f0710d6f61a4076d5c7c9cdf763c8d3ce6db7f0a6ef0beebda6
SHA512

1190793d21714602dbf5fd496add3407f2944e9596e616a99c3025cb1ff27bb2e8390ca7dd696705a163cfae29781407b3071d3ee7fa57840faaf8f014801faa
SSDEEP

6144:OenFgacc+pFf+q0Pj52cuaZf/EFpkXsDePGaqqqBmMfujPu:OenFlcc+pFYLuO/UDQGEQuC

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

Executes dropped EXE 2 IoCs

Processes:

rundll32mgr.exelkuyqxhxvmshqiqp.exe

pid process

3000 rundll32mgr.exe
2168 lkuyqxhxvmshqiqp.exe

pid	process
3000	rundll32mgr.exe
2168	lkuyqxhxvmshqiqp.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 6 IoCs

Processes:

rundll32.exerundll32mgr.exe

pid process

3004 rundll32.exe
3004 rundll32.exe
3000 rundll32mgr.exe
3000 rundll32mgr.exe
3000 rundll32mgr.exe
3000 rundll32mgr.exe

pid	process
3004	rundll32.exe
3004	rundll32.exe
3000	rundll32mgr.exe
3000	rundll32mgr.exe
3000	rundll32mgr.exe
3000	rundll32mgr.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-1-5-21-1340930862-1405011213-2821322012-1000\Software\Microsoft\Windows\CurrentVersion\Run\TfwBovfo = "C:\\Users\\Admin\\AppData\\Local\\lyfoevyb\\tfwbovfo.exe"	svchost.exe

Drops file in System32 directory 1 IoCs

Processes:

rundll32.exe

description ioc process

File created C:\Windows\SysWOW64\rundll32mgr.exe rundll32.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

1216 3004 WerFault.exe rundll32.exe

description	ioc	process
File created	C:\Windows\SysWOW64\rundll32mgr.exe	rundll32.exe

pid	pid_target	process	target process
1216	3004	WerFault.exe	rundll32.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

svchost.exe

pid	process
2952	svchost.exe
2952	svchost.exe
2952	svchost.exe
2952	svchost.exe
2952	svchost.exe
2952	svchost.exe
2952	svchost.exe
2952	svchost.exe
2952	svchost.exe
2952	svchost.exe
2952	svchost.exe
2952	svchost.exe
2952	svchost.exe
2952	svchost.exe
2952	svchost.exe
2952	svchost.exe
2952	svchost.exe
2952	svchost.exe
2952	svchost.exe
2952	svchost.exe
2952	svchost.exe
2952	svchost.exe
2952	svchost.exe
2952	svchost.exe
2952	svchost.exe
2952	svchost.exe
2952	svchost.exe
2952	svchost.exe
2952	svchost.exe
2952	svchost.exe
2952	svchost.exe
2952	svchost.exe
2952	svchost.exe
2952	svchost.exe
2952	svchost.exe
2952	svchost.exe
2952	svchost.exe
2952	svchost.exe
2952	svchost.exe
2952	svchost.exe
2952	svchost.exe
2952	svchost.exe
2952	svchost.exe
2952	svchost.exe
2952	svchost.exe
2952	svchost.exe
2952	svchost.exe
2952	svchost.exe
2952	svchost.exe
2952	svchost.exe
2952	svchost.exe
2952	svchost.exe
2952	svchost.exe
2952	svchost.exe
2952	svchost.exe
2952	svchost.exe
2952	svchost.exe
2952	svchost.exe
2952	svchost.exe
2952	svchost.exe
2952	svchost.exe
2952	svchost.exe
2952	svchost.exe
2952	svchost.exe

Suspicious behavior: LoadsDriver 1 IoCs

Processes:

pid process

472

pid	process
472

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

rundll32mgr.exesvchost.exesvchost.exelkuyqxhxvmshqiqp.exe

description	pid	process
Token: SeSecurityPrivilege	3000	rundll32mgr.exe
Token: SeDebugPrivilege	3000	rundll32mgr.exe
Token: SeSecurityPrivilege	2772	svchost.exe
Token: SeSecurityPrivilege	2952	svchost.exe
Token: SeDebugPrivilege	2952	svchost.exe
Token: SeRestorePrivilege	2952	svchost.exe
Token: SeBackupPrivilege	2952	svchost.exe
Token: SeRestorePrivilege	2952	svchost.exe
Token: SeBackupPrivilege	2952	svchost.exe
Token: SeRestorePrivilege	2952	svchost.exe
Token: SeBackupPrivilege	2952	svchost.exe
Token: SeRestorePrivilege	2952	svchost.exe
Token: SeBackupPrivilege	2952	svchost.exe
Token: SeRestorePrivilege	2952	svchost.exe
Token: SeBackupPrivilege	2952	svchost.exe
Token: SeRestorePrivilege	2952	svchost.exe
Token: SeBackupPrivilege	2952	svchost.exe
Token: SeSecurityPrivilege	2168	lkuyqxhxvmshqiqp.exe
Token: SeLoadDriverPrivilege	2168	lkuyqxhxvmshqiqp.exe
Token: SeRestorePrivilege	2952	svchost.exe
Token: SeBackupPrivilege	2952	svchost.exe
Token: SeRestorePrivilege	2952	svchost.exe
Token: SeBackupPrivilege	2952	svchost.exe
Token: SeRestorePrivilege	2952	svchost.exe
Token: SeBackupPrivilege	2952	svchost.exe
Token: SeRestorePrivilege	2952	svchost.exe
Token: SeBackupPrivilege	2952	svchost.exe
Token: SeRestorePrivilege	2952	svchost.exe
Token: SeBackupPrivilege	2952	svchost.exe
Token: SeRestorePrivilege	2952	svchost.exe
Token: SeBackupPrivilege	2952	svchost.exe
Token: SeRestorePrivilege	2952	svchost.exe
Token: SeBackupPrivilege	2952	svchost.exe
Token: SeRestorePrivilege	2952	svchost.exe
Token: SeBackupPrivilege	2952	svchost.exe
Token: SeRestorePrivilege	2952	svchost.exe
Token: SeBackupPrivilege	2952	svchost.exe
Token: SeRestorePrivilege	2952	svchost.exe
Token: SeBackupPrivilege	2952	svchost.exe
Token: SeRestorePrivilege	2952	svchost.exe
Token: SeBackupPrivilege	2952	svchost.exe
Token: SeRestorePrivilege	2952	svchost.exe
Token: SeBackupPrivilege	2952	svchost.exe
Token: SeRestorePrivilege	2952	svchost.exe
Token: SeBackupPrivilege	2952	svchost.exe
Token: SeRestorePrivilege	2952	svchost.exe
Token: SeBackupPrivilege	2952	svchost.exe
Token: SeRestorePrivilege	2952	svchost.exe
Token: SeBackupPrivilege	2952	svchost.exe
Token: SeRestorePrivilege	2952	svchost.exe
Token: SeBackupPrivilege	2952	svchost.exe
Token: SeRestorePrivilege	2952	svchost.exe
Token: SeBackupPrivilege	2952	svchost.exe
Token: SeRestorePrivilege	2952	svchost.exe
Token: SeBackupPrivilege	2952	svchost.exe
Token: SeRestorePrivilege	2952	svchost.exe
Token: SeBackupPrivilege	2952	svchost.exe
Token: SeRestorePrivilege	2952	svchost.exe
Token: SeBackupPrivilege	2952	svchost.exe
Token: SeRestorePrivilege	2952	svchost.exe
Token: SeBackupPrivilege	2952	svchost.exe
Token: SeRestorePrivilege	2952	svchost.exe
Token: SeBackupPrivilege	2952	svchost.exe
Token: SeRestorePrivilege	2952	svchost.exe

Suspicious use of WriteProcessMemory 39 IoCs

Processes:

rundll32.exerundll32.exerundll32mgr.exe

description	pid	process	target process
PID 1572 wrote to memory of 3004	1572	rundll32.exe	rundll32.exe
PID 1572 wrote to memory of 3004	1572	rundll32.exe	rundll32.exe
PID 1572 wrote to memory of 3004	1572	rundll32.exe	rundll32.exe
PID 1572 wrote to memory of 3004	1572	rundll32.exe	rundll32.exe
PID 1572 wrote to memory of 3004	1572	rundll32.exe	rundll32.exe
PID 1572 wrote to memory of 3004	1572	rundll32.exe	rundll32.exe
PID 1572 wrote to memory of 3004	1572	rundll32.exe	rundll32.exe
PID 3004 wrote to memory of 3000	3004	rundll32.exe	rundll32mgr.exe
PID 3004 wrote to memory of 3000	3004	rundll32.exe	rundll32mgr.exe
PID 3004 wrote to memory of 3000	3004	rundll32.exe	rundll32mgr.exe
PID 3004 wrote to memory of 3000	3004	rundll32.exe	rundll32mgr.exe
PID 3004 wrote to memory of 1216	3004	rundll32.exe	WerFault.exe
PID 3004 wrote to memory of 1216	3004	rundll32.exe	WerFault.exe
PID 3004 wrote to memory of 1216	3004	rundll32.exe	WerFault.exe
PID 3004 wrote to memory of 1216	3004	rundll32.exe	WerFault.exe
PID 3000 wrote to memory of 2772	3000	rundll32mgr.exe	svchost.exe
PID 3000 wrote to memory of 2772	3000	rundll32mgr.exe	svchost.exe
PID 3000 wrote to memory of 2772	3000	rundll32mgr.exe	svchost.exe
PID 3000 wrote to memory of 2772	3000	rundll32mgr.exe	svchost.exe
PID 3000 wrote to memory of 2772	3000	rundll32mgr.exe	svchost.exe
PID 3000 wrote to memory of 2772	3000	rundll32mgr.exe	svchost.exe
PID 3000 wrote to memory of 2772	3000	rundll32mgr.exe	svchost.exe
PID 3000 wrote to memory of 2772	3000	rundll32mgr.exe	svchost.exe
PID 3000 wrote to memory of 2772	3000	rundll32mgr.exe	svchost.exe
PID 3000 wrote to memory of 2772	3000	rundll32mgr.exe	svchost.exe
PID 3000 wrote to memory of 2952	3000	rundll32mgr.exe	svchost.exe
PID 3000 wrote to memory of 2952	3000	rundll32mgr.exe	svchost.exe
PID 3000 wrote to memory of 2952	3000	rundll32mgr.exe	svchost.exe
PID 3000 wrote to memory of 2952	3000	rundll32mgr.exe	svchost.exe
PID 3000 wrote to memory of 2952	3000	rundll32mgr.exe	svchost.exe
PID 3000 wrote to memory of 2952	3000	rundll32mgr.exe	svchost.exe
PID 3000 wrote to memory of 2952	3000	rundll32mgr.exe	svchost.exe
PID 3000 wrote to memory of 2952	3000	rundll32mgr.exe	svchost.exe
PID 3000 wrote to memory of 2952	3000	rundll32mgr.exe	svchost.exe
PID 3000 wrote to memory of 2952	3000	rundll32mgr.exe	svchost.exe
PID 3000 wrote to memory of 2168	3000	rundll32mgr.exe	lkuyqxhxvmshqiqp.exe
PID 3000 wrote to memory of 2168	3000	rundll32mgr.exe	lkuyqxhxvmshqiqp.exe
PID 3000 wrote to memory of 2168	3000	rundll32mgr.exe	lkuyqxhxvmshqiqp.exe
PID 3000 wrote to memory of 2168	3000	rundll32mgr.exe	lkuyqxhxvmshqiqp.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\1bfa2bcd09f8fdf25eb6599f995b6854_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1572

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\1bfa2bcd09f8fdf25eb6599f995b6854_JaffaCakes118.dll,#1
2⤵
- Loads dropped DLL
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:3004

C:\Windows\SysWOW64\rundll32mgr.exe
C:\Windows\SysWOW64\rundll32mgr.exe
3⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3000

C:\Windows\SysWOW64\svchost.exe
C:\Windows\system32\svchost.exe
4⤵
- Suspicious use of AdjustPrivilegeToken
PID:2772

C:\Windows\SysWOW64\svchost.exe
C:\Windows\system32\svchost.exe
4⤵
- 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:2952

C:\Users\Admin\AppData\Local\Temp\lkuyqxhxvmshqiqp.exe
"C:\Users\Admin\AppData\Local\Temp\lkuyqxhxvmshqiqp.exe"
4⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:2168

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3004 -s 224
3⤵
- Program crash
PID:1216

Network

MITRE ATT&CK Matrix ATT&CK v13

Replay Monitor

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Downloads

\Windows\SysWOW64\rundll32mgr.exe
Filesize
111KB

MD5
10d2e087710c80d11a2e482cd3a13731

SHA1
5623e43b4ac7c528449e67bc11cedabe369df54c

SHA256
607b206b4baecc7a0be6c0518b8733fb5c4364b7098a262a03befbbfd0d30335

SHA512
68b991baad83dc781e8a5ba69d0edfad7e90122618b5c1f178a01a0481a8f43e200cbd7f5702449ec758361ac8f1a1596e7400bd9561a86cbeff31a876a2f65a

Download Submit
memory/2168-89-0x0000000000400000-0x0000000000437E08-memory.dmp

Filesize
223KB

Download
memory/2168-95-0x0000000000400000-0x0000000000437E08-memory.dmp

Filesize
223KB

Download
memory/2772-29-0x0000000020010000-0x000000002001C000-memory.dmp

Filesize
48KB

Download
memory/2772-33-0x0000000000080000-0x0000000000081000-memory.dmp

Filesize
4KB

Download
memory/2772-31-0x0000000020010000-0x000000002001C000-memory.dmp

Filesize
48KB

Download
memory/2772-34-0x0000000000090000-0x0000000000091000-memory.dmp

Filesize
4KB

Download
memory/2772-32-0x00000000000A0000-0x00000000000A1000-memory.dmp

Filesize
4KB

Download
memory/2772-30-0x0000000020010000-0x000000002001C000-memory.dmp

Filesize
48KB

Download
memory/2772-25-0x0000000020010000-0x000000002001C000-memory.dmp

Filesize
48KB

Download
memory/2772-21-0x0000000000080000-0x0000000000081000-memory.dmp

Filesize
4KB

Download
memory/2772-19-0x0000000020010000-0x000000002001C000-memory.dmp

Filesize
48KB

Download
memory/2952-100-0x0000000020010000-0x0000000020023000-memory.dmp

Filesize
76KB

Download
memory/2952-44-0x0000000020010000-0x0000000020023000-memory.dmp

Filesize
76KB

Download
memory/2952-101-0x0000000020010000-0x0000000020023000-memory.dmp

Filesize
76KB

Download
memory/2952-102-0x0000000020010000-0x0000000020023000-memory.dmp

Filesize
76KB

Download
memory/2952-103-0x0000000020010000-0x0000000020023000-memory.dmp

Filesize
76KB

Download
memory/2952-104-0x0000000020010000-0x0000000020023000-memory.dmp

Filesize
76KB

Download
memory/2952-98-0x0000000020010000-0x0000000020023000-memory.dmp

Filesize
76KB

Download
memory/2952-37-0x0000000020010000-0x0000000020023000-memory.dmp

Filesize
76KB

Download
memory/2952-97-0x0000000020010000-0x0000000020023000-memory.dmp

Filesize
76KB

Download
memory/2952-99-0x0000000020010000-0x0000000020023000-memory.dmp

Filesize
76KB

Download
memory/2952-54-0x0000000020010000-0x0000000020023000-memory.dmp

Filesize
76KB

Download
memory/2952-53-0x0000000020010000-0x0000000020023000-memory.dmp

Filesize
76KB

Download
memory/2952-60-0x0000000020010000-0x0000000020023000-memory.dmp

Filesize
76KB

Download
memory/2952-63-0x0000000020010000-0x0000000020023000-memory.dmp

Filesize
76KB

Download
memory/2952-61-0x0000000020010000-0x0000000020023000-memory.dmp

Filesize
76KB

Download
memory/2952-96-0x0000000020010000-0x0000000020023000-memory.dmp

Filesize
76KB

Download
memory/2952-105-0x0000000020010000-0x0000000020023000-memory.dmp

Filesize
76KB

Download
memory/3000-43-0x0000000077B1F000-0x0000000077B20000-memory.dmp

Filesize
4KB

Download
memory/3000-87-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/3000-88-0x0000000000400000-0x0000000000437E08-memory.dmp

Filesize
223KB

Download
memory/3000-79-0x0000000002940000-0x0000000002978000-memory.dmp

Filesize
224KB

Download
memory/3000-36-0x0000000020010000-0x0000000020023000-memory.dmp

Filesize
76KB

Download
memory/3000-17-0x0000000000400000-0x0000000000437E08-memory.dmp

Filesize
223KB

Download
memory/3000-16-0x00000000002A0000-0x00000000002A1000-memory.dmp

Filesize
4KB

Download
memory/3000-14-0x0000000000400000-0x0000000000437E08-memory.dmp

Filesize
223KB

Download
memory/3000-13-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/3000-12-0x0000000000400000-0x0000000000437E08-memory.dmp

Filesize
223KB

Download
memory/3004-2-0x0000000034F20000-0x0000000034F69000-memory.dmp

Filesize
292KB

Download
memory/3004-10-0x00000000006C0000-0x00000000006F8000-memory.dmp

Filesize
224KB

Download
memory/3004-3-0x00000000006C0000-0x00000000006F8000-memory.dmp

Filesize
224KB

Download