ramnit | 9cef74071481471e9f1878be4c63f8371e52fb953f0250c2d686ee86db204d03

Analysis

max time kernel
150s
max time network
147s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
27-01-2025 16:21

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General

Target

JaffaCakes118_41763fa8142ababb899c1fd8a2ddbaa2.exe
Size

105KB
MD5

41763fa8142ababb899c1fd8a2ddbaa2
SHA1

163642728eb070bddb3a5dce0ce9764e79bf3dcf
SHA256

9cef74071481471e9f1878be4c63f8371e52fb953f0250c2d686ee86db204d03
SHA512

6a8dfdcf6113bb6ecd72634909ed207abfb399cefe801eb4788dd238e26ed142ce3b2758002cb80c51f508894f023babdbca2a893bdb63aa21c9c9a0760c3c69
SSDEEP

3072:zAK0CBezOU+8isBve4bF3u5jwaaHw7Koj4rI:83z+svb1uz

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

Executes dropped EXE 1 IoCs

pid	Process
2672	rrwthwgqdunnbvhp.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 4 IoCs

pid	Process
3056	JaffaCakes118_41763fa8142ababb899c1fd8a2ddbaa2.exe
3056	JaffaCakes118_41763fa8142ababb899c1fd8a2ddbaa2.exe
3056	JaffaCakes118_41763fa8142ababb899c1fd8a2ddbaa2.exe
3056	JaffaCakes118_41763fa8142ababb899c1fd8a2ddbaa2.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-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows\CurrentVersion\Run\AmcVfuhh = "C:\\Users\\Admin\\AppData\\Local\\rgkjurxt\\amcvfuhh.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 3 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_41763fa8142ababb899c1fd8a2ddbaa2.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
1968	svchost.exe
1968	svchost.exe
1968	svchost.exe
1968	svchost.exe
1968	svchost.exe
1968	svchost.exe
1968	svchost.exe
1968	svchost.exe
1968	svchost.exe
1968	svchost.exe
1968	svchost.exe
1968	svchost.exe
1968	svchost.exe
1968	svchost.exe
1968	svchost.exe
1968	svchost.exe
1968	svchost.exe
1968	svchost.exe
1968	svchost.exe
1968	svchost.exe
1968	svchost.exe
1968	svchost.exe
1968	svchost.exe
1968	svchost.exe
1968	svchost.exe
1968	svchost.exe
1968	svchost.exe
1968	svchost.exe
1968	svchost.exe
1968	svchost.exe
1968	svchost.exe
1968	svchost.exe
1968	svchost.exe
1968	svchost.exe
1968	svchost.exe
1968	svchost.exe
1968	svchost.exe
1968	svchost.exe
1968	svchost.exe
1968	svchost.exe
1968	svchost.exe
1968	svchost.exe
1968	svchost.exe
1968	svchost.exe
1968	svchost.exe
1968	svchost.exe
1968	svchost.exe
1968	svchost.exe
1968	svchost.exe
1968	svchost.exe
1968	svchost.exe
1968	svchost.exe
1968	svchost.exe
1968	svchost.exe
1968	svchost.exe
1968	svchost.exe
1968	svchost.exe
1968	svchost.exe
1968	svchost.exe
1968	svchost.exe
1968	svchost.exe
1968	svchost.exe
1968	svchost.exe
1968	svchost.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
472	Process not Found

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeSecurityPrivilege	3056	JaffaCakes118_41763fa8142ababb899c1fd8a2ddbaa2.exe
Token: SeDebugPrivilege	3056	JaffaCakes118_41763fa8142ababb899c1fd8a2ddbaa2.exe
Token: SeSecurityPrivilege	772	svchost.exe
Token: SeSecurityPrivilege	1968	svchost.exe
Token: SeDebugPrivilege	1968	svchost.exe
Token: SeRestorePrivilege	1968	svchost.exe
Token: SeBackupPrivilege	1968	svchost.exe
Token: SeRestorePrivilege	1968	svchost.exe
Token: SeBackupPrivilege	1968	svchost.exe
Token: SeRestorePrivilege	1968	svchost.exe
Token: SeBackupPrivilege	1968	svchost.exe
Token: SeRestorePrivilege	1968	svchost.exe
Token: SeBackupPrivilege	1968	svchost.exe
Token: SeRestorePrivilege	1968	svchost.exe
Token: SeBackupPrivilege	1968	svchost.exe
Token: SeRestorePrivilege	1968	svchost.exe
Token: SeBackupPrivilege	1968	svchost.exe
Token: SeSecurityPrivilege	2672	rrwthwgqdunnbvhp.exe
Token: SeLoadDriverPrivilege	2672	rrwthwgqdunnbvhp.exe
Token: SeRestorePrivilege	1968	svchost.exe
Token: SeBackupPrivilege	1968	svchost.exe
Token: SeRestorePrivilege	1968	svchost.exe
Token: SeBackupPrivilege	1968	svchost.exe
Token: SeRestorePrivilege	1968	svchost.exe
Token: SeBackupPrivilege	1968	svchost.exe
Token: SeRestorePrivilege	1968	svchost.exe
Token: SeBackupPrivilege	1968	svchost.exe
Token: SeRestorePrivilege	1968	svchost.exe
Token: SeBackupPrivilege	1968	svchost.exe
Token: SeRestorePrivilege	1968	svchost.exe
Token: SeBackupPrivilege	1968	svchost.exe
Token: SeRestorePrivilege	1968	svchost.exe
Token: SeBackupPrivilege	1968	svchost.exe
Token: SeRestorePrivilege	1968	svchost.exe
Token: SeBackupPrivilege	1968	svchost.exe
Token: SeRestorePrivilege	1968	svchost.exe
Token: SeBackupPrivilege	1968	svchost.exe
Token: SeRestorePrivilege	1968	svchost.exe
Token: SeBackupPrivilege	1968	svchost.exe
Token: SeRestorePrivilege	1968	svchost.exe
Token: SeBackupPrivilege	1968	svchost.exe
Token: SeRestorePrivilege	1968	svchost.exe
Token: SeBackupPrivilege	1968	svchost.exe
Token: SeRestorePrivilege	1968	svchost.exe
Token: SeBackupPrivilege	1968	svchost.exe
Token: SeRestorePrivilege	1968	svchost.exe
Token: SeBackupPrivilege	1968	svchost.exe
Token: SeRestorePrivilege	1968	svchost.exe
Token: SeBackupPrivilege	1968	svchost.exe
Token: SeRestorePrivilege	1968	svchost.exe
Token: SeBackupPrivilege	1968	svchost.exe
Token: SeRestorePrivilege	1968	svchost.exe
Token: SeBackupPrivilege	1968	svchost.exe
Token: SeRestorePrivilege	1968	svchost.exe
Token: SeBackupPrivilege	1968	svchost.exe
Token: SeRestorePrivilege	1968	svchost.exe
Token: SeBackupPrivilege	1968	svchost.exe
Token: SeRestorePrivilege	1968	svchost.exe
Token: SeBackupPrivilege	1968	svchost.exe
Token: SeRestorePrivilege	1968	svchost.exe
Token: SeBackupPrivilege	1968	svchost.exe
Token: SeRestorePrivilege	1968	svchost.exe
Token: SeBackupPrivilege	1968	svchost.exe
Token: SeRestorePrivilege	1968	svchost.exe

Suspicious use of WriteProcessMemory 24 IoCs

description	pid	Process	procid_target
PID 3056 wrote to memory of 772	3056	JaffaCakes118_41763fa8142ababb899c1fd8a2ddbaa2.exe	30
PID 3056 wrote to memory of 772	3056	JaffaCakes118_41763fa8142ababb899c1fd8a2ddbaa2.exe	30
PID 3056 wrote to memory of 772	3056	JaffaCakes118_41763fa8142ababb899c1fd8a2ddbaa2.exe	30
PID 3056 wrote to memory of 772	3056	JaffaCakes118_41763fa8142ababb899c1fd8a2ddbaa2.exe	30
PID 3056 wrote to memory of 772	3056	JaffaCakes118_41763fa8142ababb899c1fd8a2ddbaa2.exe	30
PID 3056 wrote to memory of 772	3056	JaffaCakes118_41763fa8142ababb899c1fd8a2ddbaa2.exe	30
PID 3056 wrote to memory of 772	3056	JaffaCakes118_41763fa8142ababb899c1fd8a2ddbaa2.exe	30
PID 3056 wrote to memory of 772	3056	JaffaCakes118_41763fa8142ababb899c1fd8a2ddbaa2.exe	30
PID 3056 wrote to memory of 772	3056	JaffaCakes118_41763fa8142ababb899c1fd8a2ddbaa2.exe	30
PID 3056 wrote to memory of 772	3056	JaffaCakes118_41763fa8142ababb899c1fd8a2ddbaa2.exe	30
PID 3056 wrote to memory of 1968	3056	JaffaCakes118_41763fa8142ababb899c1fd8a2ddbaa2.exe	31
PID 3056 wrote to memory of 1968	3056	JaffaCakes118_41763fa8142ababb899c1fd8a2ddbaa2.exe	31
PID 3056 wrote to memory of 1968	3056	JaffaCakes118_41763fa8142ababb899c1fd8a2ddbaa2.exe	31
PID 3056 wrote to memory of 1968	3056	JaffaCakes118_41763fa8142ababb899c1fd8a2ddbaa2.exe	31
PID 3056 wrote to memory of 1968	3056	JaffaCakes118_41763fa8142ababb899c1fd8a2ddbaa2.exe	31
PID 3056 wrote to memory of 1968	3056	JaffaCakes118_41763fa8142ababb899c1fd8a2ddbaa2.exe	31
PID 3056 wrote to memory of 1968	3056	JaffaCakes118_41763fa8142ababb899c1fd8a2ddbaa2.exe	31
PID 3056 wrote to memory of 1968	3056	JaffaCakes118_41763fa8142ababb899c1fd8a2ddbaa2.exe	31
PID 3056 wrote to memory of 1968	3056	JaffaCakes118_41763fa8142ababb899c1fd8a2ddbaa2.exe	31
PID 3056 wrote to memory of 1968	3056	JaffaCakes118_41763fa8142ababb899c1fd8a2ddbaa2.exe	31
PID 3056 wrote to memory of 2672	3056	JaffaCakes118_41763fa8142ababb899c1fd8a2ddbaa2.exe	32
PID 3056 wrote to memory of 2672	3056	JaffaCakes118_41763fa8142ababb899c1fd8a2ddbaa2.exe	32
PID 3056 wrote to memory of 2672	3056	JaffaCakes118_41763fa8142ababb899c1fd8a2ddbaa2.exe	32
PID 3056 wrote to memory of 2672	3056	JaffaCakes118_41763fa8142ababb899c1fd8a2ddbaa2.exe	32

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_41763fa8142ababb899c1fd8a2ddbaa2.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_41763fa8142ababb899c1fd8a2ddbaa2.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3056
- C:\Windows\SysWOW64\svchost.exe
  C:\Windows\system32\svchost.exe
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:772
- 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:1968
- C:\Users\Admin\AppData\Local\Temp\rrwthwgqdunnbvhp.exe
  "C:\Users\Admin\AppData\Local\Temp\rrwthwgqdunnbvhp.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  PID:2672

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\rgkjurxt\amcvfuhh.exe

Filesize
105KB

MD5
41763fa8142ababb899c1fd8a2ddbaa2

SHA1
163642728eb070bddb3a5dce0ce9764e79bf3dcf

SHA256
9cef74071481471e9f1878be4c63f8371e52fb953f0250c2d686ee86db204d03

SHA512
6a8dfdcf6113bb6ecd72634909ed207abfb399cefe801eb4788dd238e26ed142ce3b2758002cb80c51f508894f023babdbca2a893bdb63aa21c9c9a0760c3c69

Download Submit
memory/772-21-0x0000000000090000-0x0000000000091000-memory.dmp

Filesize
4KB

Download
memory/772-13-0x0000000020010000-0x000000002001C000-memory.dmp

Filesize
48KB

Download
memory/772-17-0x0000000020010000-0x000000002001C000-memory.dmp

Filesize
48KB

Download
memory/772-19-0x0000000020010000-0x000000002001C000-memory.dmp

Filesize
48KB

Download
memory/772-7-0x0000000020010000-0x000000002001C000-memory.dmp

Filesize
48KB

Download
memory/772-9-0x0000000000090000-0x0000000000091000-memory.dmp

Filesize
4KB

Download
memory/772-20-0x00000000000B0000-0x00000000000B1000-memory.dmp

Filesize
4KB

Download
memory/772-18-0x0000000020010000-0x000000002001C000-memory.dmp

Filesize
48KB

Download
memory/772-22-0x00000000000A0000-0x00000000000A1000-memory.dmp

Filesize
4KB

Download
memory/1968-46-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/1968-95-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/1968-104-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/1968-103-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/1968-102-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/1968-101-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/1968-26-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/1968-100-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/1968-99-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/1968-35-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/1968-45-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/1968-98-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/1968-52-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/1968-97-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/1968-96-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/1968-57-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/1968-65-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2672-93-0x0000000000400000-0x0000000000439FE4-memory.dmp

Filesize
231KB

Download
memory/2672-89-0x0000000000400000-0x0000000000439FE4-memory.dmp

Filesize
231KB

Download
memory/2672-94-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/2672-87-0x0000000000400000-0x0000000000439FE4-memory.dmp

Filesize
231KB

Download
memory/2672-88-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/3056-83-0x0000000002530000-0x000000000256A000-memory.dmp

Filesize
232KB

Download
memory/3056-74-0x0000000002520000-0x000000000255A000-memory.dmp

Filesize
232KB

Download
memory/3056-0-0x0000000000400000-0x0000000000439FE4-memory.dmp

Filesize
231KB

Download
memory/3056-85-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/3056-56-0x0000000000400000-0x0000000000439FE4-memory.dmp

Filesize
231KB

Download
memory/3056-75-0x0000000002520000-0x000000000255A000-memory.dmp

Filesize
232KB

Download
memory/3056-76-0x000000007773F000-0x0000000077740000-memory.dmp

Filesize
4KB

Download
memory/3056-34-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/3056-55-0x0000000077740000-0x0000000077741000-memory.dmp

Filesize
4KB

Download
memory/3056-1-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/3056-39-0x0000000000400000-0x0000000000439FE4-memory.dmp

Filesize
231KB

Download
memory/3056-3-0x0000000000270000-0x0000000000271000-memory.dmp

Filesize
4KB

Download
memory/3056-32-0x0000000077740000-0x0000000077741000-memory.dmp

Filesize
4KB

Download
memory/3056-33-0x000000007773F000-0x0000000077740000-memory.dmp

Filesize
4KB

Download
memory/3056-4-0x0000000000440000-0x0000000000441000-memory.dmp

Filesize
4KB

Download
memory/3056-5-0x0000000000400000-0x0000000000439FE4-memory.dmp

Filesize
231KB

Download