ramnit | 24de4d60a3c47cb3b323292fb832571992a2bee924031cd89432c5deee8342c1

General

Target

fa932569d765ca8acd7ae5e7ca1ae67e_JaffaCakes118.exe
Size

100KB
MD5

fa932569d765ca8acd7ae5e7ca1ae67e
SHA1

781889fcc52b7bdaf6eb2a9943d46e0793c2a807
SHA256

24de4d60a3c47cb3b323292fb832571992a2bee924031cd89432c5deee8342c1
SHA512

47b29459323356b1bdb72bb93bc4a4699b2f915afd6489f74b72efcb43cfc2b3e3e012fb60c4c78e7a162b1cd7fdcef6cf3955a4db4aecf07f59ee8e7f89f8a7
SSDEEP

3072:AVUAXECKcXd00AoBeiyro9Lu7MKGVk8jwaaHw7Koj4rDMUeRF:eZNKo00iiyrsIMKjeF

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

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\\oeidqyww\\wkapbcgn.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\wkapbcgn.exe	svchost.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\wkapbcgn.exe	svchost.exe

Executes dropped EXE 1 IoCs

Processes:

opxkdeitgifgtulc.exe

pid process

2472 opxkdeitgifgtulc.exe

pid	process
2472	opxkdeitgifgtulc.exe

Loads dropped DLL 5 IoCs

Processes:

fa932569d765ca8acd7ae5e7ca1ae67e_JaffaCakes118.exe

pid	process
2748	fa932569d765ca8acd7ae5e7ca1ae67e_JaffaCakes118.exe
2748	fa932569d765ca8acd7ae5e7ca1ae67e_JaffaCakes118.exe
2748	fa932569d765ca8acd7ae5e7ca1ae67e_JaffaCakes118.exe
2748	fa932569d765ca8acd7ae5e7ca1ae67e_JaffaCakes118.exe
2748	fa932569d765ca8acd7ae5e7ca1ae67e_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-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Windows\CurrentVersion\Run\WkaPbcgn = "C:\\Users\\Admin\\AppData\\Local\\oeidqyww\\wkapbcgn.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
2912	svchost.exe
2912	svchost.exe
2912	svchost.exe
2912	svchost.exe
2912	svchost.exe
2912	svchost.exe
2912	svchost.exe
2912	svchost.exe
2912	svchost.exe
2912	svchost.exe
2912	svchost.exe
2912	svchost.exe
2912	svchost.exe
2912	svchost.exe
2912	svchost.exe
2912	svchost.exe
2912	svchost.exe
2912	svchost.exe
2912	svchost.exe
2912	svchost.exe
2912	svchost.exe
2912	svchost.exe
2912	svchost.exe
2912	svchost.exe
2912	svchost.exe
2912	svchost.exe
2912	svchost.exe
2912	svchost.exe
2912	svchost.exe
2912	svchost.exe
2912	svchost.exe
2912	svchost.exe
2912	svchost.exe
2912	svchost.exe
2912	svchost.exe
2912	svchost.exe
2912	svchost.exe
2912	svchost.exe
2912	svchost.exe
2912	svchost.exe
2912	svchost.exe
2912	svchost.exe
2912	svchost.exe
2912	svchost.exe
2912	svchost.exe
2912	svchost.exe
2912	svchost.exe
2912	svchost.exe
2912	svchost.exe
2912	svchost.exe
2912	svchost.exe
2912	svchost.exe
2912	svchost.exe
2912	svchost.exe
2912	svchost.exe
2912	svchost.exe
2912	svchost.exe
2912	svchost.exe
2912	svchost.exe
2912	svchost.exe
2912	svchost.exe
2912	svchost.exe
2912	svchost.exe
2912	svchost.exe

Suspicious behavior: LoadsDriver 1 IoCs

Processes:

pid process

468

pid	process
468

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

fa932569d765ca8acd7ae5e7ca1ae67e_JaffaCakes118.exesvchost.exesvchost.exeopxkdeitgifgtulc.exe

description	pid	process
Token: SeSecurityPrivilege	2748	fa932569d765ca8acd7ae5e7ca1ae67e_JaffaCakes118.exe
Token: SeDebugPrivilege	2748	fa932569d765ca8acd7ae5e7ca1ae67e_JaffaCakes118.exe
Token: SeSecurityPrivilege	2240	svchost.exe
Token: SeSecurityPrivilege	2912	svchost.exe
Token: SeDebugPrivilege	2912	svchost.exe
Token: SeRestorePrivilege	2912	svchost.exe
Token: SeBackupPrivilege	2912	svchost.exe
Token: SeRestorePrivilege	2912	svchost.exe
Token: SeBackupPrivilege	2912	svchost.exe
Token: SeRestorePrivilege	2912	svchost.exe
Token: SeBackupPrivilege	2912	svchost.exe
Token: SeRestorePrivilege	2912	svchost.exe
Token: SeBackupPrivilege	2912	svchost.exe
Token: SeRestorePrivilege	2912	svchost.exe
Token: SeBackupPrivilege	2912	svchost.exe
Token: SeRestorePrivilege	2912	svchost.exe
Token: SeBackupPrivilege	2912	svchost.exe
Token: SeSecurityPrivilege	2472	opxkdeitgifgtulc.exe
Token: SeLoadDriverPrivilege	2472	opxkdeitgifgtulc.exe
Token: SeRestorePrivilege	2912	svchost.exe
Token: SeBackupPrivilege	2912	svchost.exe
Token: SeRestorePrivilege	2912	svchost.exe
Token: SeBackupPrivilege	2912	svchost.exe
Token: SeRestorePrivilege	2912	svchost.exe
Token: SeBackupPrivilege	2912	svchost.exe
Token: SeRestorePrivilege	2912	svchost.exe
Token: SeBackupPrivilege	2912	svchost.exe
Token: SeRestorePrivilege	2912	svchost.exe
Token: SeBackupPrivilege	2912	svchost.exe
Token: SeRestorePrivilege	2912	svchost.exe
Token: SeBackupPrivilege	2912	svchost.exe
Token: SeRestorePrivilege	2912	svchost.exe
Token: SeBackupPrivilege	2912	svchost.exe
Token: SeRestorePrivilege	2912	svchost.exe
Token: SeBackupPrivilege	2912	svchost.exe
Token: SeRestorePrivilege	2912	svchost.exe
Token: SeBackupPrivilege	2912	svchost.exe
Token: SeRestorePrivilege	2912	svchost.exe
Token: SeBackupPrivilege	2912	svchost.exe
Token: SeRestorePrivilege	2912	svchost.exe
Token: SeBackupPrivilege	2912	svchost.exe
Token: SeRestorePrivilege	2912	svchost.exe
Token: SeBackupPrivilege	2912	svchost.exe
Token: SeRestorePrivilege	2912	svchost.exe
Token: SeBackupPrivilege	2912	svchost.exe
Token: SeRestorePrivilege	2912	svchost.exe
Token: SeBackupPrivilege	2912	svchost.exe
Token: SeRestorePrivilege	2912	svchost.exe
Token: SeBackupPrivilege	2912	svchost.exe
Token: SeRestorePrivilege	2912	svchost.exe
Token: SeBackupPrivilege	2912	svchost.exe
Token: SeRestorePrivilege	2912	svchost.exe
Token: SeBackupPrivilege	2912	svchost.exe
Token: SeRestorePrivilege	2912	svchost.exe
Token: SeBackupPrivilege	2912	svchost.exe
Token: SeRestorePrivilege	2912	svchost.exe
Token: SeBackupPrivilege	2912	svchost.exe
Token: SeRestorePrivilege	2912	svchost.exe
Token: SeBackupPrivilege	2912	svchost.exe
Token: SeRestorePrivilege	2912	svchost.exe
Token: SeBackupPrivilege	2912	svchost.exe
Token: SeRestorePrivilege	2912	svchost.exe
Token: SeBackupPrivilege	2912	svchost.exe
Token: SeRestorePrivilege	2912	svchost.exe

Suspicious use of WriteProcessMemory 24 IoCs

Processes:

fa932569d765ca8acd7ae5e7ca1ae67e_JaffaCakes118.exe

description	pid	process	target process
PID 2748 wrote to memory of 2240	2748	fa932569d765ca8acd7ae5e7ca1ae67e_JaffaCakes118.exe	svchost.exe
PID 2748 wrote to memory of 2240	2748	fa932569d765ca8acd7ae5e7ca1ae67e_JaffaCakes118.exe	svchost.exe
PID 2748 wrote to memory of 2240	2748	fa932569d765ca8acd7ae5e7ca1ae67e_JaffaCakes118.exe	svchost.exe
PID 2748 wrote to memory of 2240	2748	fa932569d765ca8acd7ae5e7ca1ae67e_JaffaCakes118.exe	svchost.exe
PID 2748 wrote to memory of 2240	2748	fa932569d765ca8acd7ae5e7ca1ae67e_JaffaCakes118.exe	svchost.exe
PID 2748 wrote to memory of 2240	2748	fa932569d765ca8acd7ae5e7ca1ae67e_JaffaCakes118.exe	svchost.exe
PID 2748 wrote to memory of 2240	2748	fa932569d765ca8acd7ae5e7ca1ae67e_JaffaCakes118.exe	svchost.exe
PID 2748 wrote to memory of 2240	2748	fa932569d765ca8acd7ae5e7ca1ae67e_JaffaCakes118.exe	svchost.exe
PID 2748 wrote to memory of 2240	2748	fa932569d765ca8acd7ae5e7ca1ae67e_JaffaCakes118.exe	svchost.exe
PID 2748 wrote to memory of 2240	2748	fa932569d765ca8acd7ae5e7ca1ae67e_JaffaCakes118.exe	svchost.exe
PID 2748 wrote to memory of 2912	2748	fa932569d765ca8acd7ae5e7ca1ae67e_JaffaCakes118.exe	svchost.exe
PID 2748 wrote to memory of 2912	2748	fa932569d765ca8acd7ae5e7ca1ae67e_JaffaCakes118.exe	svchost.exe
PID 2748 wrote to memory of 2912	2748	fa932569d765ca8acd7ae5e7ca1ae67e_JaffaCakes118.exe	svchost.exe
PID 2748 wrote to memory of 2912	2748	fa932569d765ca8acd7ae5e7ca1ae67e_JaffaCakes118.exe	svchost.exe
PID 2748 wrote to memory of 2912	2748	fa932569d765ca8acd7ae5e7ca1ae67e_JaffaCakes118.exe	svchost.exe
PID 2748 wrote to memory of 2912	2748	fa932569d765ca8acd7ae5e7ca1ae67e_JaffaCakes118.exe	svchost.exe
PID 2748 wrote to memory of 2912	2748	fa932569d765ca8acd7ae5e7ca1ae67e_JaffaCakes118.exe	svchost.exe
PID 2748 wrote to memory of 2912	2748	fa932569d765ca8acd7ae5e7ca1ae67e_JaffaCakes118.exe	svchost.exe
PID 2748 wrote to memory of 2912	2748	fa932569d765ca8acd7ae5e7ca1ae67e_JaffaCakes118.exe	svchost.exe
PID 2748 wrote to memory of 2912	2748	fa932569d765ca8acd7ae5e7ca1ae67e_JaffaCakes118.exe	svchost.exe
PID 2748 wrote to memory of 2472	2748	fa932569d765ca8acd7ae5e7ca1ae67e_JaffaCakes118.exe	opxkdeitgifgtulc.exe
PID 2748 wrote to memory of 2472	2748	fa932569d765ca8acd7ae5e7ca1ae67e_JaffaCakes118.exe	opxkdeitgifgtulc.exe
PID 2748 wrote to memory of 2472	2748	fa932569d765ca8acd7ae5e7ca1ae67e_JaffaCakes118.exe	opxkdeitgifgtulc.exe
PID 2748 wrote to memory of 2472	2748	fa932569d765ca8acd7ae5e7ca1ae67e_JaffaCakes118.exe	opxkdeitgifgtulc.exe

C:\Users\Admin\AppData\Local\Temp\fa932569d765ca8acd7ae5e7ca1ae67e_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\fa932569d765ca8acd7ae5e7ca1ae67e_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2748

C:\Windows\SysWOW64\svchost.exe
C:\Windows\system32\svchost.exe
2⤵
- Suspicious use of AdjustPrivilegeToken
PID:2240

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:2912

C:\Users\Admin\AppData\Local\Temp\opxkdeitgifgtulc.exe
"C:\Users\Admin\AppData\Local\Temp\opxkdeitgifgtulc.exe"
2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:2472

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

2

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Winlogon Helper DLL

1

T1547.004

Privilege Escalation

Boot or Logon Autostart Execution

2

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Winlogon Helper DLL

1

T1547.004

Abuse Elevation Control Mechanism

1

T1548

Bypass User Account Control

1

T1548.002

Defense Evasion

Modify Registry

3

T1112

Abuse Elevation Control Mechanism

1

T1548

Bypass User Account Control

1

T1548.002

Impair Defenses

1

T1562

Disable or Modify Tools

1

T1562.001

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\oeidqyww\wkapbcgn.exe
Filesize
100KB

MD5
fa932569d765ca8acd7ae5e7ca1ae67e

SHA1
781889fcc52b7bdaf6eb2a9943d46e0793c2a807

SHA256
24de4d60a3c47cb3b323292fb832571992a2bee924031cd89432c5deee8342c1

SHA512
47b29459323356b1bdb72bb93bc4a4699b2f915afd6489f74b72efcb43cfc2b3e3e012fb60c4c78e7a162b1cd7fdcef6cf3955a4db4aecf07f59ee8e7f89f8a7

Download Submit
memory/2240-12-0x0000000000050000-0x0000000000051000-memory.dmp

Filesize
4KB

Download
memory/2240-25-0x0000000020010000-0x000000002001C000-memory.dmp

Filesize
48KB

Download
memory/2240-24-0x0000000020010000-0x000000002001C000-memory.dmp

Filesize
48KB

Download
memory/2240-10-0x0000000020010000-0x000000002001C000-memory.dmp

Filesize
48KB

Download
memory/2240-23-0x0000000020010000-0x000000002001C000-memory.dmp

Filesize
48KB

Download
memory/2240-16-0x0000000020010000-0x000000002001C000-memory.dmp

Filesize
48KB

Download
memory/2240-19-0x0000000000070000-0x0000000000071000-memory.dmp

Filesize
4KB

Download
memory/2240-21-0x0000000000050000-0x0000000000051000-memory.dmp

Filesize
4KB

Download
memory/2240-22-0x0000000000060000-0x0000000000061000-memory.dmp

Filesize
4KB

Download
memory/2472-80-0x0000000000240000-0x0000000000242000-memory.dmp

Filesize
8KB

Download
memory/2472-79-0x0000000000400000-0x000000000043A6BC-memory.dmp

Filesize
233KB

Download
memory/2472-77-0x0000000000400000-0x000000000043A6BC-memory.dmp

Filesize
233KB

Download
memory/2472-82-0x0000000000400000-0x000000000043A6BC-memory.dmp

Filesize
233KB

Download
memory/2748-54-0x00000000775B0000-0x00000000775B1000-memory.dmp

Filesize
4KB

Download
memory/2748-2-0x0000000000400000-0x000000000043A6BC-memory.dmp

Filesize
233KB

Download
memory/2748-5-0x0000000000240000-0x0000000000242000-memory.dmp

Filesize
8KB

Download
memory/2748-1-0x0000000000400000-0x000000000043A6BC-memory.dmp

Filesize
233KB

Download
memory/2748-8-0x00000000775B0000-0x00000000775B1000-memory.dmp

Filesize
4KB

Download
memory/2748-6-0x00000000002A0000-0x00000000002A1000-memory.dmp

Filesize
4KB

Download
memory/2748-4-0x0000000000290000-0x0000000000291000-memory.dmp

Filesize
4KB

Download
memory/2748-7-0x00000000775AF000-0x00000000775B0000-memory.dmp

Filesize
4KB

Download
memory/2748-73-0x0000000002580000-0x00000000025BB000-memory.dmp

Filesize
236KB

Download
memory/2748-53-0x0000000000400000-0x000000000043A6BC-memory.dmp

Filesize
233KB

Download
memory/2748-0-0x0000000000400000-0x000000000043A6BC-memory.dmp

Filesize
233KB

Download
memory/2748-55-0x0000000000400000-0x000000000043A6BC-memory.dmp

Filesize
233KB

Download
memory/2748-58-0x00000000775AF000-0x00000000775B0000-memory.dmp

Filesize
4KB

Download
memory/2748-64-0x0000000002580000-0x00000000025BB000-memory.dmp

Filesize
236KB

Download
memory/2912-92-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2912-29-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2912-51-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2912-94-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2912-90-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2912-84-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2912-86-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2912-83-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2912-88-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2912-87-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2912-44-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2912-45-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2912-35-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2912-95-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2912-96-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2912-97-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2912-98-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2912-100-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2912-101-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2912-102-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2912-103-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

Replay Monitor

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Downloads