ramnit | 5cdf60e819a14326c76398a12ba718764b4f0136139f817e5881e6b143f9b202

Analysis

max time kernel
150s
max time network
144s
platform
windows7_x64
resource
win7-20241023-en
resource tags

arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
submitted
02-01-2025 03:25

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General

Target

JaffaCakes118_625e3a7e5f9a2cf1635b29ca6ba5517f.dll
Size

216KB
MD5

625e3a7e5f9a2cf1635b29ca6ba5517f
SHA1

754fb2313c3983cc1a9dd5265a8e49556b6f19fa
SHA256

5cdf60e819a14326c76398a12ba718764b4f0136139f817e5881e6b143f9b202
SHA512

7a9893a48495aa0df77ab191720b684c31bd569aae33351dd1a25b96148cf7754d6052d163df6ba3aa7aee9c54212a12030cbd575a9eb44b1eee820ab1e2e6eb
SSDEEP

3072:6HC8gubt4tiYTGsH/qQsEoIk90HgChEITlwsMqMKFOC7eHm:XUjsHyQ/HgmVwLyOvm

Score

10^/10

ramnit banker defense_evasion discovery 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

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

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

Executes dropped EXE 2 IoCs

pid	Process
2760	rundll32mgr.exe
2536	npuptyqmrbtuoqnq.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\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

pid	Process
2876	rundll32.exe
2876	rundll32.exe
2760	rundll32mgr.exe
2760	rundll32mgr.exe
2760	rundll32mgr.exe
2760	rundll32mgr.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-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Windows\CurrentVersion\Run\VkaUrwod = "C:\\Users\\Admin\\AppData\\Local\\neiihwfp\\vkaurwod.exe"	svchost.exe

Drops file in System32 directory 1 IoCs

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

pid	pid_target	Process	procid_target
2860	2876	WerFault.exe	30

System Location Discovery: System Language Discovery 1 TTPs 5 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	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32mgr.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	npuptyqmrbtuoqnq.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
1032	svchost.exe
1032	svchost.exe
1032	svchost.exe
1032	svchost.exe
1032	svchost.exe
1032	svchost.exe
1032	svchost.exe
1032	svchost.exe
1032	svchost.exe
1032	svchost.exe
1032	svchost.exe
1032	svchost.exe
1032	svchost.exe
1032	svchost.exe
1032	svchost.exe
1032	svchost.exe
1032	svchost.exe
1032	svchost.exe
1032	svchost.exe
1032	svchost.exe
1032	svchost.exe
1032	svchost.exe
1032	svchost.exe
1032	svchost.exe
1032	svchost.exe
1032	svchost.exe
1032	svchost.exe
1032	svchost.exe
1032	svchost.exe
1032	svchost.exe
1032	svchost.exe
1032	svchost.exe
1032	svchost.exe
1032	svchost.exe
1032	svchost.exe
1032	svchost.exe
1032	svchost.exe
1032	svchost.exe
1032	svchost.exe
1032	svchost.exe
1032	svchost.exe
1032	svchost.exe
1032	svchost.exe
1032	svchost.exe
1032	svchost.exe
1032	svchost.exe
1032	svchost.exe
1032	svchost.exe
1032	svchost.exe
1032	svchost.exe
1032	svchost.exe
1032	svchost.exe
1032	svchost.exe
1032	svchost.exe
1032	svchost.exe
1032	svchost.exe
1032	svchost.exe
1032	svchost.exe
1032	svchost.exe
1032	svchost.exe
1032	svchost.exe
1032	svchost.exe
1032	svchost.exe
1032	svchost.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
476	Process not Found

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeSecurityPrivilege	2760	rundll32mgr.exe
Token: SeDebugPrivilege	2760	rundll32mgr.exe
Token: SeSecurityPrivilege	2652	svchost.exe
Token: SeSecurityPrivilege	1032	svchost.exe
Token: SeDebugPrivilege	1032	svchost.exe
Token: SeRestorePrivilege	1032	svchost.exe
Token: SeBackupPrivilege	1032	svchost.exe
Token: SeRestorePrivilege	1032	svchost.exe
Token: SeBackupPrivilege	1032	svchost.exe
Token: SeRestorePrivilege	1032	svchost.exe
Token: SeBackupPrivilege	1032	svchost.exe
Token: SeRestorePrivilege	1032	svchost.exe
Token: SeBackupPrivilege	1032	svchost.exe
Token: SeRestorePrivilege	1032	svchost.exe
Token: SeBackupPrivilege	1032	svchost.exe
Token: SeRestorePrivilege	1032	svchost.exe
Token: SeBackupPrivilege	1032	svchost.exe
Token: SeSecurityPrivilege	2536	npuptyqmrbtuoqnq.exe
Token: SeLoadDriverPrivilege	2536	npuptyqmrbtuoqnq.exe
Token: SeRestorePrivilege	1032	svchost.exe
Token: SeBackupPrivilege	1032	svchost.exe
Token: SeRestorePrivilege	1032	svchost.exe
Token: SeBackupPrivilege	1032	svchost.exe
Token: SeRestorePrivilege	1032	svchost.exe
Token: SeBackupPrivilege	1032	svchost.exe
Token: SeRestorePrivilege	1032	svchost.exe
Token: SeBackupPrivilege	1032	svchost.exe
Token: SeRestorePrivilege	1032	svchost.exe
Token: SeBackupPrivilege	1032	svchost.exe
Token: SeRestorePrivilege	1032	svchost.exe
Token: SeBackupPrivilege	1032	svchost.exe
Token: SeRestorePrivilege	1032	svchost.exe
Token: SeBackupPrivilege	1032	svchost.exe
Token: SeRestorePrivilege	1032	svchost.exe
Token: SeBackupPrivilege	1032	svchost.exe
Token: SeRestorePrivilege	1032	svchost.exe
Token: SeBackupPrivilege	1032	svchost.exe
Token: SeRestorePrivilege	1032	svchost.exe
Token: SeBackupPrivilege	1032	svchost.exe
Token: SeRestorePrivilege	1032	svchost.exe
Token: SeBackupPrivilege	1032	svchost.exe
Token: SeRestorePrivilege	1032	svchost.exe
Token: SeBackupPrivilege	1032	svchost.exe
Token: SeRestorePrivilege	1032	svchost.exe
Token: SeBackupPrivilege	1032	svchost.exe
Token: SeRestorePrivilege	1032	svchost.exe
Token: SeBackupPrivilege	1032	svchost.exe
Token: SeRestorePrivilege	1032	svchost.exe
Token: SeBackupPrivilege	1032	svchost.exe
Token: SeRestorePrivilege	1032	svchost.exe
Token: SeBackupPrivilege	1032	svchost.exe
Token: SeRestorePrivilege	1032	svchost.exe
Token: SeBackupPrivilege	1032	svchost.exe
Token: SeRestorePrivilege	1032	svchost.exe
Token: SeBackupPrivilege	1032	svchost.exe
Token: SeRestorePrivilege	1032	svchost.exe
Token: SeBackupPrivilege	1032	svchost.exe
Token: SeRestorePrivilege	1032	svchost.exe
Token: SeBackupPrivilege	1032	svchost.exe
Token: SeRestorePrivilege	1032	svchost.exe
Token: SeBackupPrivilege	1032	svchost.exe
Token: SeRestorePrivilege	1032	svchost.exe
Token: SeBackupPrivilege	1032	svchost.exe
Token: SeRestorePrivilege	1032	svchost.exe

Suspicious use of WriteProcessMemory 39 IoCs

description	pid	Process	procid_target
PID 2848 wrote to memory of 2876	2848	rundll32.exe	30
PID 2848 wrote to memory of 2876	2848	rundll32.exe	30
PID 2848 wrote to memory of 2876	2848	rundll32.exe	30
PID 2848 wrote to memory of 2876	2848	rundll32.exe	30
PID 2848 wrote to memory of 2876	2848	rundll32.exe	30
PID 2848 wrote to memory of 2876	2848	rundll32.exe	30
PID 2848 wrote to memory of 2876	2848	rundll32.exe	30
PID 2876 wrote to memory of 2760	2876	rundll32.exe	31
PID 2876 wrote to memory of 2760	2876	rundll32.exe	31
PID 2876 wrote to memory of 2760	2876	rundll32.exe	31
PID 2876 wrote to memory of 2760	2876	rundll32.exe	31
PID 2876 wrote to memory of 2860	2876	rundll32.exe	32
PID 2876 wrote to memory of 2860	2876	rundll32.exe	32
PID 2876 wrote to memory of 2860	2876	rundll32.exe	32
PID 2876 wrote to memory of 2860	2876	rundll32.exe	32
PID 2760 wrote to memory of 2652	2760	rundll32mgr.exe	33
PID 2760 wrote to memory of 2652	2760	rundll32mgr.exe	33
PID 2760 wrote to memory of 2652	2760	rundll32mgr.exe	33
PID 2760 wrote to memory of 2652	2760	rundll32mgr.exe	33
PID 2760 wrote to memory of 2652	2760	rundll32mgr.exe	33
PID 2760 wrote to memory of 2652	2760	rundll32mgr.exe	33
PID 2760 wrote to memory of 2652	2760	rundll32mgr.exe	33
PID 2760 wrote to memory of 2652	2760	rundll32mgr.exe	33
PID 2760 wrote to memory of 2652	2760	rundll32mgr.exe	33
PID 2760 wrote to memory of 2652	2760	rundll32mgr.exe	33
PID 2760 wrote to memory of 1032	2760	rundll32mgr.exe	34
PID 2760 wrote to memory of 1032	2760	rundll32mgr.exe	34
PID 2760 wrote to memory of 1032	2760	rundll32mgr.exe	34
PID 2760 wrote to memory of 1032	2760	rundll32mgr.exe	34
PID 2760 wrote to memory of 1032	2760	rundll32mgr.exe	34
PID 2760 wrote to memory of 1032	2760	rundll32mgr.exe	34
PID 2760 wrote to memory of 1032	2760	rundll32mgr.exe	34
PID 2760 wrote to memory of 1032	2760	rundll32mgr.exe	34
PID 2760 wrote to memory of 1032	2760	rundll32mgr.exe	34
PID 2760 wrote to memory of 1032	2760	rundll32mgr.exe	34
PID 2760 wrote to memory of 2536	2760	rundll32mgr.exe	35
PID 2760 wrote to memory of 2536	2760	rundll32mgr.exe	35
PID 2760 wrote to memory of 2536	2760	rundll32mgr.exe	35
PID 2760 wrote to memory of 2536	2760	rundll32mgr.exe	35

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_625e3a7e5f9a2cf1635b29ca6ba5517f.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2848
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_625e3a7e5f9a2cf1635b29ca6ba5517f.dll,#1
  2⤵
  - Loads dropped DLL
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2876
- - C:\Windows\SysWOW64\rundll32mgr.exe
    C:\Windows\SysWOW64\rundll32mgr.exe
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:2760
  - - C:\Windows\SysWOW64\svchost.exe
      C:\Windows\system32\svchost.exe
      4⤵
      System Location Discovery: System Language Discovery
      Suspicious use of AdjustPrivilegeToken
      PID:2652
  - - 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
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:1032
  - - C:\Users\Admin\AppData\Local\Temp\npuptyqmrbtuoqnq.exe
      "C:\Users\Admin\AppData\Local\Temp\npuptyqmrbtuoqnq.exe"
      4⤵
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      Suspicious use of AdjustPrivilegeToken
      PID:2536
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2876 -s 224
    3⤵
    - Program crash
    PID:2860

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

\Windows\SysWOW64\rundll32mgr.exe

Filesize
111KB

MD5
c05d7be48e120bb1198419928f912f89

SHA1
d907471285ddf49d3d6fc6bdd5fff1bd66f56914

SHA256
0692c7a3c021c871542a7b13cc65ae7ad53dd00ba5b955b29ac48565b31c091f

SHA512
538442c9b39a49fb82edd8b057a5b32132cb366c8c91cec1ba960e885393a38d7c525dace2c727dfec19e15ad4c38a1fc9092bf5fcd8978a7e4cc07a7b80432f

Download Submit
memory/1032-103-0x0000000020010000-0x0000000020023000-memory.dmp

Filesize
76KB

Download
memory/1032-104-0x0000000020010000-0x0000000020023000-memory.dmp

Filesize
76KB

Download
memory/1032-109-0x0000000020010000-0x0000000020023000-memory.dmp

Filesize
76KB

Download
memory/1032-107-0x0000000020010000-0x0000000020023000-memory.dmp

Filesize
76KB

Download
memory/1032-102-0x0000000020010000-0x0000000020023000-memory.dmp

Filesize
76KB

Download
memory/1032-105-0x0000000020010000-0x0000000020023000-memory.dmp

Filesize
76KB

Download
memory/1032-108-0x0000000020010000-0x0000000020023000-memory.dmp

Filesize
76KB

Download
memory/1032-38-0x0000000020010000-0x0000000020023000-memory.dmp

Filesize
76KB

Download
memory/1032-106-0x0000000020010000-0x0000000020023000-memory.dmp

Filesize
76KB

Download
memory/1032-101-0x0000000020010000-0x0000000020023000-memory.dmp

Filesize
76KB

Download
memory/1032-100-0x0000000020010000-0x0000000020023000-memory.dmp

Filesize
76KB

Download
memory/1032-63-0x0000000020010000-0x0000000020023000-memory.dmp

Filesize
76KB

Download
memory/1032-54-0x0000000020010000-0x0000000020023000-memory.dmp

Filesize
76KB

Download
memory/1032-60-0x0000000020010000-0x0000000020023000-memory.dmp

Filesize
76KB

Download
memory/1032-53-0x0000000020010000-0x0000000020023000-memory.dmp

Filesize
76KB

Download
memory/1032-44-0x0000000020010000-0x0000000020023000-memory.dmp

Filesize
76KB

Download
memory/2536-97-0x0000000000400000-0x0000000000437DE0-memory.dmp

Filesize
223KB

Download
memory/2536-92-0x0000000000400000-0x0000000000437DE0-memory.dmp

Filesize
223KB

Download
memory/2652-19-0x0000000020010000-0x000000002001C000-memory.dmp

Filesize
48KB

Download
memory/2652-33-0x0000000020010000-0x000000002001C000-memory.dmp

Filesize
48KB

Download
memory/2652-21-0x0000000000080000-0x0000000000081000-memory.dmp

Filesize
4KB

Download
memory/2652-25-0x0000000020010000-0x000000002001C000-memory.dmp

Filesize
48KB

Download
memory/2652-29-0x00000000000A0000-0x00000000000A1000-memory.dmp

Filesize
4KB

Download
memory/2652-30-0x0000000000080000-0x0000000000081000-memory.dmp

Filesize
4KB

Download
memory/2652-31-0x0000000000090000-0x0000000000091000-memory.dmp

Filesize
4KB

Download
memory/2652-32-0x0000000020010000-0x000000002001C000-memory.dmp

Filesize
48KB

Download
memory/2652-34-0x0000000020010000-0x000000002001C000-memory.dmp

Filesize
48KB

Download
memory/2760-72-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2760-91-0x0000000002830000-0x0000000002868000-memory.dmp

Filesize
224KB

Download
memory/2760-90-0x0000000002830000-0x0000000002868000-memory.dmp

Filesize
224KB

Download
memory/2760-37-0x0000000020010000-0x0000000020023000-memory.dmp

Filesize
76KB

Download
memory/2760-82-0x00000000773EF000-0x00000000773F0000-memory.dmp

Filesize
4KB

Download
memory/2760-73-0x0000000000400000-0x0000000000437DE0-memory.dmp

Filesize
223KB

Download
memory/2760-14-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2760-13-0x0000000000400000-0x0000000000437DE0-memory.dmp

Filesize
223KB

Download
memory/2760-36-0x00000000773EF000-0x00000000773F0000-memory.dmp

Filesize
4KB

Download
memory/2760-81-0x0000000002830000-0x0000000002868000-memory.dmp

Filesize
224KB

Download
memory/2760-17-0x0000000000400000-0x0000000000437DE0-memory.dmp

Filesize
223KB

Download
memory/2760-16-0x0000000000290000-0x0000000000291000-memory.dmp

Filesize
4KB

Download
memory/2876-0-0x0000000010000000-0x0000000010036000-memory.dmp

Filesize
216KB

Download
memory/2876-99-0x0000000010000000-0x0000000010036000-memory.dmp

Filesize
216KB

Download
memory/2876-11-0x00000000001D0000-0x0000000000208000-memory.dmp

Filesize
224KB

Download
memory/2876-2-0x0000000010000000-0x0000000010036000-memory.dmp

Filesize
216KB

Download
memory/2876-3-0x0000000010000000-0x0000000010036000-memory.dmp

Filesize
216KB

Download