ramnit | 11b1d8a008f338bf632473497b69ccd8781f71e715966a60d9ad530845c4c390

Analysis

max time kernel
150s
max time network
142s
platform
windows7_x64
resource
win7-20241023-en
resource tags

arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
submitted
22/03/2025, 12:14

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General

Target

JaffaCakes118_861a9dd70e985420f41400bfd5e20a00.exe
Size

193KB
MD5

861a9dd70e985420f41400bfd5e20a00
SHA1

77c8bb5fcec41a60ffa312bebb1237e2044cc853
SHA256

11b1d8a008f338bf632473497b69ccd8781f71e715966a60d9ad530845c4c390
SHA512

e6cf93e80276c09b978fcfbbeb58d88e746586526394e1a5ab6086f6205102c694cbb3c5e8d97499a087399bd06ebc05a0ad87fd7e8727159bd7166010c5eb96
SSDEEP

3072:D5IJFC8Nuf7rbgjA3k7sjRFLeqlTPaaHw7Koj4rtO:V5XzrbQFAFFiqlS

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\\tchwrbbw\\ciyjcekn.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 2 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
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	tnweegmticlettcr.exe

Drops startup file 2 IoCs

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

Executes dropped EXE 2 IoCs

pid	Process
2228	tnweegmticlettcr.exe
1684	tnweegmticlettcr.exe

Loads dropped DLL 4 IoCs

pid	Process
2372	JaffaCakes118_861a9dd70e985420f41400bfd5e20a00.exe
2372	JaffaCakes118_861a9dd70e985420f41400bfd5e20a00.exe
2728	cmd.exe
2728	cmd.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\CiyJcekn = "C:\\Users\\Admin\\AppData\\Local\\tchwrbbw\\ciyjcekn.exe"	svchost.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

defense_evasion trojan

System Information Discovery

T1082

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	tnweegmticlettcr.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 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	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	tnweegmticlettcr.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_861a9dd70e985420f41400bfd5e20a00.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
896	svchost.exe
896	svchost.exe
896	svchost.exe
896	svchost.exe
896	svchost.exe
896	svchost.exe
896	svchost.exe
896	svchost.exe
896	svchost.exe
896	svchost.exe
896	svchost.exe
896	svchost.exe
896	svchost.exe
896	svchost.exe
896	svchost.exe
896	svchost.exe
896	svchost.exe
896	svchost.exe
896	svchost.exe
896	svchost.exe
896	svchost.exe
896	svchost.exe
896	svchost.exe
896	svchost.exe
896	svchost.exe
896	svchost.exe
896	svchost.exe
896	svchost.exe
896	svchost.exe
896	svchost.exe
896	svchost.exe
896	svchost.exe
896	svchost.exe
896	svchost.exe
896	svchost.exe
896	svchost.exe
896	svchost.exe
896	svchost.exe
896	svchost.exe
896	svchost.exe
896	svchost.exe
896	svchost.exe
896	svchost.exe
896	svchost.exe
896	svchost.exe
896	svchost.exe
896	svchost.exe
896	svchost.exe
896	svchost.exe
896	svchost.exe
896	svchost.exe
896	svchost.exe
896	svchost.exe
896	svchost.exe
896	svchost.exe
896	svchost.exe
896	svchost.exe
896	svchost.exe
896	svchost.exe
896	svchost.exe
896	svchost.exe
896	svchost.exe
896	svchost.exe
896	svchost.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
476	Process not Found

Suspicious use of AdjustPrivilegeToken 8 IoCs

description	pid	Process
Token: SeSecurityPrivilege	2372	JaffaCakes118_861a9dd70e985420f41400bfd5e20a00.exe
Token: SeDebugPrivilege	2372	JaffaCakes118_861a9dd70e985420f41400bfd5e20a00.exe
Token: SeSecurityPrivilege	2160	svchost.exe
Token: SeSecurityPrivilege	896	svchost.exe
Token: SeDebugPrivilege	896	svchost.exe
Token: SeSecurityPrivilege	2228	tnweegmticlettcr.exe
Token: SeSecurityPrivilege	1684	tnweegmticlettcr.exe
Token: SeLoadDriverPrivilege	1684	tnweegmticlettcr.exe

Suspicious use of WriteProcessMemory 32 IoCs

description	pid	Process	procid_target
PID 2372 wrote to memory of 2160	2372	JaffaCakes118_861a9dd70e985420f41400bfd5e20a00.exe	30
PID 2372 wrote to memory of 2160	2372	JaffaCakes118_861a9dd70e985420f41400bfd5e20a00.exe	30
PID 2372 wrote to memory of 2160	2372	JaffaCakes118_861a9dd70e985420f41400bfd5e20a00.exe	30
PID 2372 wrote to memory of 2160	2372	JaffaCakes118_861a9dd70e985420f41400bfd5e20a00.exe	30
PID 2372 wrote to memory of 2160	2372	JaffaCakes118_861a9dd70e985420f41400bfd5e20a00.exe	30
PID 2372 wrote to memory of 2160	2372	JaffaCakes118_861a9dd70e985420f41400bfd5e20a00.exe	30
PID 2372 wrote to memory of 2160	2372	JaffaCakes118_861a9dd70e985420f41400bfd5e20a00.exe	30
PID 2372 wrote to memory of 2160	2372	JaffaCakes118_861a9dd70e985420f41400bfd5e20a00.exe	30
PID 2372 wrote to memory of 2160	2372	JaffaCakes118_861a9dd70e985420f41400bfd5e20a00.exe	30
PID 2372 wrote to memory of 2160	2372	JaffaCakes118_861a9dd70e985420f41400bfd5e20a00.exe	30
PID 2372 wrote to memory of 896	2372	JaffaCakes118_861a9dd70e985420f41400bfd5e20a00.exe	31
PID 2372 wrote to memory of 896	2372	JaffaCakes118_861a9dd70e985420f41400bfd5e20a00.exe	31
PID 2372 wrote to memory of 896	2372	JaffaCakes118_861a9dd70e985420f41400bfd5e20a00.exe	31
PID 2372 wrote to memory of 896	2372	JaffaCakes118_861a9dd70e985420f41400bfd5e20a00.exe	31
PID 2372 wrote to memory of 896	2372	JaffaCakes118_861a9dd70e985420f41400bfd5e20a00.exe	31
PID 2372 wrote to memory of 896	2372	JaffaCakes118_861a9dd70e985420f41400bfd5e20a00.exe	31
PID 2372 wrote to memory of 896	2372	JaffaCakes118_861a9dd70e985420f41400bfd5e20a00.exe	31
PID 2372 wrote to memory of 896	2372	JaffaCakes118_861a9dd70e985420f41400bfd5e20a00.exe	31
PID 2372 wrote to memory of 896	2372	JaffaCakes118_861a9dd70e985420f41400bfd5e20a00.exe	31
PID 2372 wrote to memory of 896	2372	JaffaCakes118_861a9dd70e985420f41400bfd5e20a00.exe	31
PID 2372 wrote to memory of 2228	2372	JaffaCakes118_861a9dd70e985420f41400bfd5e20a00.exe	32
PID 2372 wrote to memory of 2228	2372	JaffaCakes118_861a9dd70e985420f41400bfd5e20a00.exe	32
PID 2372 wrote to memory of 2228	2372	JaffaCakes118_861a9dd70e985420f41400bfd5e20a00.exe	32
PID 2372 wrote to memory of 2228	2372	JaffaCakes118_861a9dd70e985420f41400bfd5e20a00.exe	32
PID 2228 wrote to memory of 2728	2228	tnweegmticlettcr.exe	33
PID 2228 wrote to memory of 2728	2228	tnweegmticlettcr.exe	33
PID 2228 wrote to memory of 2728	2228	tnweegmticlettcr.exe	33
PID 2228 wrote to memory of 2728	2228	tnweegmticlettcr.exe	33
PID 2728 wrote to memory of 1684	2728	cmd.exe	35
PID 2728 wrote to memory of 1684	2728	cmd.exe	35
PID 2728 wrote to memory of 1684	2728	cmd.exe	35
PID 2728 wrote to memory of 1684	2728	cmd.exe	35

System policy modification 1 TTPs 1 IoCs

defense_evasion

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	tnweegmticlettcr.exe

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_861a9dd70e985420f41400bfd5e20a00.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_861a9dd70e985420f41400bfd5e20a00.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2372
- C:\Windows\SysWOW64\svchost.exe
  C:\Windows\system32\svchost.exe
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:2160
- C:\Windows\SysWOW64\svchost.exe
  C:\Windows\system32\svchost.exe
  2⤵
  - Modifies WinLogon for persistence
  - UAC bypass
  - Drops startup file
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:896
- C:\Users\Admin\AppData\Local\Temp\tnweegmticlettcr.exe
  "C:\Users\Admin\AppData\Local\Temp\tnweegmticlettcr.exe" elevate
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2228
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\System32\cmd.exe" /C ""C:\Users\Admin\AppData\Local\Temp\tnweegmticlettcr.exe"" admin
    3⤵
    - Loads dropped DLL
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2728
  - - C:\Users\Admin\AppData\Local\Temp\tnweegmticlettcr.exe
      "C:\Users\Admin\AppData\Local\Temp\tnweegmticlettcr.exe" admin
      4⤵
      UAC bypass
      Executes dropped EXE
      Checks whether UAC is enabled
      Suspicious use of AdjustPrivilegeToken
      System policy modification
      PID:1684

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

Modify Registry

T1112

Credential Access

Discovery

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\tchwrbbw\ciyjcekn.exe

Filesize
193KB

MD5
861a9dd70e985420f41400bfd5e20a00

SHA1
77c8bb5fcec41a60ffa312bebb1237e2044cc853

SHA256
11b1d8a008f338bf632473497b69ccd8781f71e715966a60d9ad530845c4c390

SHA512
e6cf93e80276c09b978fcfbbeb58d88e746586526394e1a5ab6086f6205102c694cbb3c5e8d97499a087399bd06ebc05a0ad87fd7e8727159bd7166010c5eb96

Download Submit
memory/896-75-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/896-78-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/896-92-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/896-91-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/896-90-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/896-88-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/896-87-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/896-86-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/896-84-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/896-83-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/896-73-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/896-50-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/896-44-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/896-43-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/896-25-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/896-31-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/1684-72-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/2160-21-0x0000000020010000-0x000000002001C000-memory.dmp

Filesize
48KB

Download
memory/2160-16-0x0000000000070000-0x0000000000071000-memory.dmp

Filesize
4KB

Download
memory/2160-19-0x0000000020010000-0x000000002001C000-memory.dmp

Filesize
48KB

Download
memory/2160-12-0x0000000020010000-0x000000002001C000-memory.dmp

Filesize
48KB

Download
memory/2160-8-0x0000000000050000-0x0000000000051000-memory.dmp

Filesize
4KB

Download
memory/2160-20-0x0000000020010000-0x000000002001C000-memory.dmp

Filesize
48KB

Download
memory/2160-6-0x0000000020010000-0x000000002001C000-memory.dmp

Filesize
48KB

Download
memory/2160-18-0x0000000000060000-0x0000000000061000-memory.dmp

Filesize
4KB

Download
memory/2160-17-0x0000000000050000-0x0000000000051000-memory.dmp

Filesize
4KB

Download
memory/2228-65-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/2372-0-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/2372-36-0x0000000077D1F000-0x0000000077D20000-memory.dmp

Filesize
4KB

Download
memory/2372-35-0x0000000077D20000-0x0000000077D21000-memory.dmp

Filesize
4KB

Download
memory/2372-4-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/2372-3-0x0000000000280000-0x0000000000281000-memory.dmp

Filesize
4KB

Download
memory/2372-2-0x0000000000270000-0x0000000000271000-memory.dmp

Filesize
4KB

Download
memory/2372-52-0x0000000077D20000-0x0000000077D21000-memory.dmp

Filesize
4KB

Download
memory/2372-62-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download