ramnit | 2f908ea0e72a60dadad641ad825bcc8228ed28776473d7c76b7498401b2e14b2

Analysis

max time kernel
150s
max time network
147s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
21-01-2025 04:23

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General

Target

JaffaCakes118_020c406d52673653b073f5cf2ca959ee.exe
Size

119KB
MD5

020c406d52673653b073f5cf2ca959ee
SHA1

bf75f58fd2e9ecfcf355c882cf5865722b362fd0
SHA256

2f908ea0e72a60dadad641ad825bcc8228ed28776473d7c76b7498401b2e14b2
SHA512

1998be82b6ee3c06316107ecb198e18e8a324d524ef8c54785786b56fc14405f9673ba6bbd8a4895f5624823335e212a654634ccb7a1d86a3ea17823a9e4f768
SSDEEP

3072:FnvfyJm6m1pMO8uGF1zmZnqOBx4J2vNbGfvGnd3gW5ZM4/ua/ycih:c2piLF129NdndPZMTm

Score

10^/10

ramnit banker defense_evasion discovery 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

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

Ramnit
Ramnit is a versatile family that holds viruses, worms, and Trojans.
trojan spyware stealer worm banker ramnit
Ramnit family
ramnit

UAC bypass 3 TTPs 1 IoCs

defense_evasion trojan

Bypass User Account Control

T1548.002

Disable or Modify Tools

T1562.001

Modify Registry

T1112

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

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

Drops startup file 2 IoCs

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

Executes dropped EXE 1 IoCs

pid	Process
1688	sedjmtplcaachsyg.exe

Impair Defenses: Safe Mode Boot 1 TTPs 3 IoCs

defense_evasion

Safe Mode Boot

T1562.009

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

Loads dropped DLL 4 IoCs

pid	Process
2540	JaffaCakes118_020c406d52673653b073f5cf2ca959ee.exe
2540	JaffaCakes118_020c406d52673653b073f5cf2ca959ee.exe
2540	JaffaCakes118_020c406d52673653b073f5cf2ca959ee.exe
2540	JaffaCakes118_020c406d52673653b073f5cf2ca959ee.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows\CurrentVersion\Run\ByfOhrnc = "C:\\Users\\Admin\\AppData\\Local\\ssqcwoeo\\byfohrnc.exe"	svchost.exe

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_020c406d52673653b073f5cf2ca959ee.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sedjmtplcaachsyg.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2476	svchost.exe
2476	svchost.exe
2476	svchost.exe
2476	svchost.exe
2476	svchost.exe
2476	svchost.exe
2476	svchost.exe
2476	svchost.exe
2476	svchost.exe
2476	svchost.exe
2476	svchost.exe
2476	svchost.exe
2476	svchost.exe
2476	svchost.exe
2476	svchost.exe
2476	svchost.exe
2476	svchost.exe
2476	svchost.exe
2476	svchost.exe
2476	svchost.exe
2476	svchost.exe
2476	svchost.exe
2476	svchost.exe
2476	svchost.exe
2476	svchost.exe
2476	svchost.exe
2476	svchost.exe
2476	svchost.exe
2476	svchost.exe
2476	svchost.exe
2476	svchost.exe
2476	svchost.exe
2476	svchost.exe
2476	svchost.exe
2476	svchost.exe
2476	svchost.exe
2476	svchost.exe
2476	svchost.exe
2476	svchost.exe
2476	svchost.exe
2476	svchost.exe
2476	svchost.exe
2476	svchost.exe
2476	svchost.exe
2476	svchost.exe
2476	svchost.exe
2476	svchost.exe
2476	svchost.exe
2476	svchost.exe
2476	svchost.exe
2476	svchost.exe
2476	svchost.exe
2476	svchost.exe
2476	svchost.exe
2476	svchost.exe
2476	svchost.exe
2476	svchost.exe
2476	svchost.exe
2476	svchost.exe
2476	svchost.exe
2476	svchost.exe
2476	svchost.exe
2476	svchost.exe
2476	svchost.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
464	Process not Found

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeSecurityPrivilege	2540	JaffaCakes118_020c406d52673653b073f5cf2ca959ee.exe
Token: SeDebugPrivilege	2540	JaffaCakes118_020c406d52673653b073f5cf2ca959ee.exe
Token: SeSecurityPrivilege	2104	svchost.exe
Token: SeSecurityPrivilege	2476	svchost.exe
Token: SeDebugPrivilege	2476	svchost.exe
Token: SeRestorePrivilege	2476	svchost.exe
Token: SeBackupPrivilege	2476	svchost.exe
Token: SeRestorePrivilege	2476	svchost.exe
Token: SeBackupPrivilege	2476	svchost.exe
Token: SeRestorePrivilege	2476	svchost.exe
Token: SeBackupPrivilege	2476	svchost.exe
Token: SeRestorePrivilege	2476	svchost.exe
Token: SeBackupPrivilege	2476	svchost.exe
Token: SeRestorePrivilege	2476	svchost.exe
Token: SeBackupPrivilege	2476	svchost.exe
Token: SeRestorePrivilege	2476	svchost.exe
Token: SeBackupPrivilege	2476	svchost.exe
Token: SeSecurityPrivilege	1688	sedjmtplcaachsyg.exe
Token: SeLoadDriverPrivilege	1688	sedjmtplcaachsyg.exe
Token: SeRestorePrivilege	2476	svchost.exe
Token: SeBackupPrivilege	2476	svchost.exe
Token: SeRestorePrivilege	2476	svchost.exe
Token: SeBackupPrivilege	2476	svchost.exe
Token: SeRestorePrivilege	2476	svchost.exe
Token: SeBackupPrivilege	2476	svchost.exe
Token: SeRestorePrivilege	2476	svchost.exe
Token: SeBackupPrivilege	2476	svchost.exe
Token: SeRestorePrivilege	2476	svchost.exe
Token: SeBackupPrivilege	2476	svchost.exe
Token: SeRestorePrivilege	2476	svchost.exe
Token: SeBackupPrivilege	2476	svchost.exe
Token: SeRestorePrivilege	2476	svchost.exe
Token: SeBackupPrivilege	2476	svchost.exe
Token: SeRestorePrivilege	2476	svchost.exe
Token: SeBackupPrivilege	2476	svchost.exe
Token: SeRestorePrivilege	2476	svchost.exe
Token: SeBackupPrivilege	2476	svchost.exe
Token: SeRestorePrivilege	2476	svchost.exe
Token: SeBackupPrivilege	2476	svchost.exe
Token: SeRestorePrivilege	2476	svchost.exe
Token: SeBackupPrivilege	2476	svchost.exe
Token: SeRestorePrivilege	2476	svchost.exe
Token: SeBackupPrivilege	2476	svchost.exe
Token: SeRestorePrivilege	2476	svchost.exe
Token: SeBackupPrivilege	2476	svchost.exe
Token: SeRestorePrivilege	2476	svchost.exe
Token: SeBackupPrivilege	2476	svchost.exe
Token: SeRestorePrivilege	2476	svchost.exe
Token: SeBackupPrivilege	2476	svchost.exe
Token: SeRestorePrivilege	2476	svchost.exe
Token: SeBackupPrivilege	2476	svchost.exe
Token: SeRestorePrivilege	2476	svchost.exe
Token: SeBackupPrivilege	2476	svchost.exe
Token: SeRestorePrivilege	2476	svchost.exe
Token: SeBackupPrivilege	2476	svchost.exe
Token: SeRestorePrivilege	2476	svchost.exe
Token: SeBackupPrivilege	2476	svchost.exe
Token: SeRestorePrivilege	2476	svchost.exe
Token: SeBackupPrivilege	2476	svchost.exe
Token: SeRestorePrivilege	2476	svchost.exe
Token: SeBackupPrivilege	2476	svchost.exe
Token: SeRestorePrivilege	2476	svchost.exe
Token: SeBackupPrivilege	2476	svchost.exe
Token: SeRestorePrivilege	2476	svchost.exe

Suspicious use of WriteProcessMemory 24 IoCs

description	pid	Process	procid_target
PID 2540 wrote to memory of 2104	2540	JaffaCakes118_020c406d52673653b073f5cf2ca959ee.exe	31
PID 2540 wrote to memory of 2104	2540	JaffaCakes118_020c406d52673653b073f5cf2ca959ee.exe	31
PID 2540 wrote to memory of 2104	2540	JaffaCakes118_020c406d52673653b073f5cf2ca959ee.exe	31
PID 2540 wrote to memory of 2104	2540	JaffaCakes118_020c406d52673653b073f5cf2ca959ee.exe	31
PID 2540 wrote to memory of 2104	2540	JaffaCakes118_020c406d52673653b073f5cf2ca959ee.exe	31
PID 2540 wrote to memory of 2104	2540	JaffaCakes118_020c406d52673653b073f5cf2ca959ee.exe	31
PID 2540 wrote to memory of 2104	2540	JaffaCakes118_020c406d52673653b073f5cf2ca959ee.exe	31
PID 2540 wrote to memory of 2104	2540	JaffaCakes118_020c406d52673653b073f5cf2ca959ee.exe	31
PID 2540 wrote to memory of 2104	2540	JaffaCakes118_020c406d52673653b073f5cf2ca959ee.exe	31
PID 2540 wrote to memory of 2104	2540	JaffaCakes118_020c406d52673653b073f5cf2ca959ee.exe	31
PID 2540 wrote to memory of 2476	2540	JaffaCakes118_020c406d52673653b073f5cf2ca959ee.exe	32
PID 2540 wrote to memory of 2476	2540	JaffaCakes118_020c406d52673653b073f5cf2ca959ee.exe	32
PID 2540 wrote to memory of 2476	2540	JaffaCakes118_020c406d52673653b073f5cf2ca959ee.exe	32
PID 2540 wrote to memory of 2476	2540	JaffaCakes118_020c406d52673653b073f5cf2ca959ee.exe	32
PID 2540 wrote to memory of 2476	2540	JaffaCakes118_020c406d52673653b073f5cf2ca959ee.exe	32
PID 2540 wrote to memory of 2476	2540	JaffaCakes118_020c406d52673653b073f5cf2ca959ee.exe	32
PID 2540 wrote to memory of 2476	2540	JaffaCakes118_020c406d52673653b073f5cf2ca959ee.exe	32
PID 2540 wrote to memory of 2476	2540	JaffaCakes118_020c406d52673653b073f5cf2ca959ee.exe	32
PID 2540 wrote to memory of 2476	2540	JaffaCakes118_020c406d52673653b073f5cf2ca959ee.exe	32
PID 2540 wrote to memory of 2476	2540	JaffaCakes118_020c406d52673653b073f5cf2ca959ee.exe	32
PID 2540 wrote to memory of 1688	2540	JaffaCakes118_020c406d52673653b073f5cf2ca959ee.exe	33
PID 2540 wrote to memory of 1688	2540	JaffaCakes118_020c406d52673653b073f5cf2ca959ee.exe	33
PID 2540 wrote to memory of 1688	2540	JaffaCakes118_020c406d52673653b073f5cf2ca959ee.exe	33
PID 2540 wrote to memory of 1688	2540	JaffaCakes118_020c406d52673653b073f5cf2ca959ee.exe	33

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_020c406d52673653b073f5cf2ca959ee.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_020c406d52673653b073f5cf2ca959ee.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2540
- C:\Windows\SysWOW64\svchost.exe
  C:\Windows\system32\svchost.exe
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:2104
- 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
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2476
- C:\Users\Admin\AppData\Local\Temp\sedjmtplcaachsyg.exe
  "C:\Users\Admin\AppData\Local\Temp\sedjmtplcaachsyg.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:1688

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Winlogon Helper DLL

T1547.004

Privilege Escalation

Abuse Elevation Control Mechanism

T1548

Bypass User Account Control

T1548.002

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Winlogon Helper DLL

T1547.004

Defense Evasion

Abuse Elevation Control Mechanism

T1548

Bypass User Account Control

T1548.002

Impair Defenses

T1562

Disable or Modify Tools

T1562.001

Safe Mode Boot

T1562.009

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\ssqcwoeo\byfohrnc.exe

Filesize
119KB

MD5
020c406d52673653b073f5cf2ca959ee

SHA1
bf75f58fd2e9ecfcf355c882cf5865722b362fd0

SHA256
2f908ea0e72a60dadad641ad825bcc8228ed28776473d7c76b7498401b2e14b2

SHA512
1998be82b6ee3c06316107ecb198e18e8a324d524ef8c54785786b56fc14405f9673ba6bbd8a4895f5624823335e212a654634ccb7a1d86a3ea17823a9e4f768

Download Submit
memory/1688-77-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/1688-73-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/1688-71-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2104-15-0x0000000020010000-0x000000002001C000-memory.dmp

Filesize
48KB

Download
memory/2104-22-0x0000000020010000-0x000000002001C000-memory.dmp

Filesize
48KB

Download
memory/2104-7-0x0000000020010000-0x000000002001C000-memory.dmp

Filesize
48KB

Download
memory/2104-9-0x0000000000080000-0x0000000000081000-memory.dmp

Filesize
4KB

Download
memory/2104-13-0x00000000000E0000-0x00000000000E1000-memory.dmp

Filesize
4KB

Download
memory/2104-14-0x0000000000080000-0x0000000000081000-memory.dmp

Filesize
4KB

Download
memory/2104-21-0x0000000020010000-0x000000002001C000-memory.dmp

Filesize
48KB

Download
memory/2104-19-0x00000000000D0000-0x00000000000D1000-memory.dmp

Filesize
4KB

Download
memory/2104-20-0x0000000020010000-0x000000002001C000-memory.dmp

Filesize
48KB

Download
memory/2476-92-0x0000000020010000-0x0000000020023000-memory.dmp

Filesize
76KB

Download
memory/2476-90-0x0000000020010000-0x0000000020023000-memory.dmp

Filesize
76KB

Download
memory/2476-26-0x0000000020010000-0x0000000020023000-memory.dmp

Filesize
76KB

Download
memory/2476-97-0x0000000020010000-0x0000000020023000-memory.dmp

Filesize
76KB

Download
memory/2476-95-0x0000000020010000-0x0000000020023000-memory.dmp

Filesize
76KB

Download
memory/2476-94-0x0000000020010000-0x0000000020023000-memory.dmp

Filesize
76KB

Download
memory/2476-42-0x0000000020010000-0x0000000020023000-memory.dmp

Filesize
76KB

Download
memory/2476-41-0x0000000020010000-0x0000000020023000-memory.dmp

Filesize
76KB

Download
memory/2476-48-0x0000000020010000-0x0000000020023000-memory.dmp

Filesize
76KB

Download
memory/2476-96-0x0000000020010000-0x0000000020023000-memory.dmp

Filesize
76KB

Download
memory/2476-93-0x0000000020010000-0x0000000020023000-memory.dmp

Filesize
76KB

Download
memory/2476-32-0x0000000020010000-0x0000000020023000-memory.dmp

Filesize
76KB

Download
memory/2476-91-0x0000000020010000-0x0000000020023000-memory.dmp

Filesize
76KB

Download
memory/2476-89-0x0000000020010000-0x0000000020023000-memory.dmp

Filesize
76KB

Download
memory/2476-88-0x0000000020010000-0x0000000020023000-memory.dmp

Filesize
76KB

Download
memory/2476-81-0x0000000020010000-0x0000000020023000-memory.dmp

Filesize
76KB

Download
memory/2476-78-0x0000000020010000-0x0000000020023000-memory.dmp

Filesize
76KB

Download
memory/2540-60-0x0000000077C8F000-0x0000000077C90000-memory.dmp

Filesize
4KB

Download
memory/2540-4-0x0000000000450000-0x0000000000451000-memory.dmp

Filesize
4KB

Download
memory/2540-5-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2540-68-0x00000000027D0000-0x000000000281E000-memory.dmp

Filesize
312KB

Download
memory/2540-59-0x00000000027C0000-0x000000000280E000-memory.dmp

Filesize
312KB

Download
memory/2540-24-0x0000000077C8F000-0x0000000077C90000-memory.dmp

Filesize
4KB

Download
memory/2540-1-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2540-51-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2540-6-0x0000000020010000-0x000000002001C000-memory.dmp

Filesize
48KB

Download
memory/2540-2-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2540-61-0x00000000027C0000-0x000000000280E000-memory.dmp

Filesize
312KB

Download
memory/2540-50-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2540-0-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download