ramnit | 631c10f4474b8a30082e03f5ef72c29cf44ec54fd99a341067ca2aa38acd7b36

Analysis

max time kernel
150s
max time network
146s
platform
windows7_x64
resource
win7-20241023-en
resource tags

arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
submitted
29/01/2025, 19:32

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General

Target

JaffaCakes118_5a9cd645c0f16b17ae52fc986068aff0.exe
Size

101KB
MD5

5a9cd645c0f16b17ae52fc986068aff0
SHA1

e71b310a8fd6e4d5d7472c533fa0771e40d9cbd3
SHA256

631c10f4474b8a30082e03f5ef72c29cf44ec54fd99a341067ca2aa38acd7b36
SHA512

8fc97cf44306c5713a5afcd82a946397b90a982c1ca94909406788d46383191e48b3a3f0e576f1055b4c296dff78582d61c20e2983464c8f5497e4fab925e7b3
SSDEEP

3072:vDSKiauBZz/DhceNw1OTw+XIU5jwaaHw7Koj4rB:rSKbwhdcqYIhXNA

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

Executes dropped EXE 1 IoCs

pid	Process
1500	fswtskqoxtkktqpl.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
1484	JaffaCakes118_5a9cd645c0f16b17ae52fc986068aff0.exe
1484	JaffaCakes118_5a9cd645c0f16b17ae52fc986068aff0.exe
1484	JaffaCakes118_5a9cd645c0f16b17ae52fc986068aff0.exe
1484	JaffaCakes118_5a9cd645c0f16b17ae52fc986068aff0.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\NkyYqioi = "C:\\Users\\Admin\\AppData\\Local\\fhhmgifr\\nkyyqioi.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	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_5a9cd645c0f16b17ae52fc986068aff0.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2248	svchost.exe
2248	svchost.exe
2248	svchost.exe
2248	svchost.exe
2248	svchost.exe
2248	svchost.exe
2248	svchost.exe
2248	svchost.exe
2248	svchost.exe
2248	svchost.exe
2248	svchost.exe
2248	svchost.exe
2248	svchost.exe
2248	svchost.exe
2248	svchost.exe
2248	svchost.exe
2248	svchost.exe
2248	svchost.exe
2248	svchost.exe
2248	svchost.exe
2248	svchost.exe
2248	svchost.exe
2248	svchost.exe
2248	svchost.exe
2248	svchost.exe
2248	svchost.exe
2248	svchost.exe
2248	svchost.exe
2248	svchost.exe
2248	svchost.exe
2248	svchost.exe
2248	svchost.exe
2248	svchost.exe
2248	svchost.exe
2248	svchost.exe
2248	svchost.exe
2248	svchost.exe
2248	svchost.exe
2248	svchost.exe
2248	svchost.exe
2248	svchost.exe
2248	svchost.exe
2248	svchost.exe
2248	svchost.exe
2248	svchost.exe
2248	svchost.exe
2248	svchost.exe
2248	svchost.exe
2248	svchost.exe
2248	svchost.exe
2248	svchost.exe
2248	svchost.exe
2248	svchost.exe
2248	svchost.exe
2248	svchost.exe
2248	svchost.exe
2248	svchost.exe
2248	svchost.exe
2248	svchost.exe
2248	svchost.exe
2248	svchost.exe
2248	svchost.exe
2248	svchost.exe
2248	svchost.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
476	Process not Found

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeSecurityPrivilege	1484	JaffaCakes118_5a9cd645c0f16b17ae52fc986068aff0.exe
Token: SeDebugPrivilege	1484	JaffaCakes118_5a9cd645c0f16b17ae52fc986068aff0.exe
Token: SeSecurityPrivilege	400	svchost.exe
Token: SeSecurityPrivilege	2248	svchost.exe
Token: SeDebugPrivilege	2248	svchost.exe
Token: SeRestorePrivilege	2248	svchost.exe
Token: SeBackupPrivilege	2248	svchost.exe
Token: SeRestorePrivilege	2248	svchost.exe
Token: SeBackupPrivilege	2248	svchost.exe
Token: SeRestorePrivilege	2248	svchost.exe
Token: SeBackupPrivilege	2248	svchost.exe
Token: SeRestorePrivilege	2248	svchost.exe
Token: SeBackupPrivilege	2248	svchost.exe
Token: SeRestorePrivilege	2248	svchost.exe
Token: SeBackupPrivilege	2248	svchost.exe
Token: SeRestorePrivilege	2248	svchost.exe
Token: SeBackupPrivilege	2248	svchost.exe
Token: SeSecurityPrivilege	1500	fswtskqoxtkktqpl.exe
Token: SeLoadDriverPrivilege	1500	fswtskqoxtkktqpl.exe
Token: SeRestorePrivilege	2248	svchost.exe
Token: SeBackupPrivilege	2248	svchost.exe
Token: SeRestorePrivilege	2248	svchost.exe
Token: SeBackupPrivilege	2248	svchost.exe
Token: SeRestorePrivilege	2248	svchost.exe
Token: SeBackupPrivilege	2248	svchost.exe
Token: SeRestorePrivilege	2248	svchost.exe
Token: SeBackupPrivilege	2248	svchost.exe
Token: SeRestorePrivilege	2248	svchost.exe
Token: SeBackupPrivilege	2248	svchost.exe
Token: SeRestorePrivilege	2248	svchost.exe
Token: SeBackupPrivilege	2248	svchost.exe
Token: SeRestorePrivilege	2248	svchost.exe
Token: SeBackupPrivilege	2248	svchost.exe
Token: SeRestorePrivilege	2248	svchost.exe
Token: SeBackupPrivilege	2248	svchost.exe
Token: SeRestorePrivilege	2248	svchost.exe
Token: SeBackupPrivilege	2248	svchost.exe
Token: SeRestorePrivilege	2248	svchost.exe
Token: SeBackupPrivilege	2248	svchost.exe
Token: SeRestorePrivilege	2248	svchost.exe
Token: SeBackupPrivilege	2248	svchost.exe
Token: SeRestorePrivilege	2248	svchost.exe
Token: SeBackupPrivilege	2248	svchost.exe
Token: SeRestorePrivilege	2248	svchost.exe
Token: SeBackupPrivilege	2248	svchost.exe
Token: SeRestorePrivilege	2248	svchost.exe
Token: SeBackupPrivilege	2248	svchost.exe
Token: SeRestorePrivilege	2248	svchost.exe
Token: SeBackupPrivilege	2248	svchost.exe
Token: SeRestorePrivilege	2248	svchost.exe
Token: SeBackupPrivilege	2248	svchost.exe
Token: SeRestorePrivilege	2248	svchost.exe
Token: SeBackupPrivilege	2248	svchost.exe
Token: SeRestorePrivilege	2248	svchost.exe
Token: SeBackupPrivilege	2248	svchost.exe
Token: SeRestorePrivilege	2248	svchost.exe
Token: SeBackupPrivilege	2248	svchost.exe
Token: SeRestorePrivilege	2248	svchost.exe
Token: SeBackupPrivilege	2248	svchost.exe
Token: SeRestorePrivilege	2248	svchost.exe
Token: SeBackupPrivilege	2248	svchost.exe
Token: SeRestorePrivilege	2248	svchost.exe
Token: SeBackupPrivilege	2248	svchost.exe
Token: SeRestorePrivilege	2248	svchost.exe

Suspicious use of WriteProcessMemory 24 IoCs

description	pid	Process	procid_target
PID 1484 wrote to memory of 400	1484	JaffaCakes118_5a9cd645c0f16b17ae52fc986068aff0.exe	31
PID 1484 wrote to memory of 400	1484	JaffaCakes118_5a9cd645c0f16b17ae52fc986068aff0.exe	31
PID 1484 wrote to memory of 400	1484	JaffaCakes118_5a9cd645c0f16b17ae52fc986068aff0.exe	31
PID 1484 wrote to memory of 400	1484	JaffaCakes118_5a9cd645c0f16b17ae52fc986068aff0.exe	31
PID 1484 wrote to memory of 400	1484	JaffaCakes118_5a9cd645c0f16b17ae52fc986068aff0.exe	31
PID 1484 wrote to memory of 400	1484	JaffaCakes118_5a9cd645c0f16b17ae52fc986068aff0.exe	31
PID 1484 wrote to memory of 400	1484	JaffaCakes118_5a9cd645c0f16b17ae52fc986068aff0.exe	31
PID 1484 wrote to memory of 400	1484	JaffaCakes118_5a9cd645c0f16b17ae52fc986068aff0.exe	31
PID 1484 wrote to memory of 400	1484	JaffaCakes118_5a9cd645c0f16b17ae52fc986068aff0.exe	31
PID 1484 wrote to memory of 400	1484	JaffaCakes118_5a9cd645c0f16b17ae52fc986068aff0.exe	31
PID 1484 wrote to memory of 2248	1484	JaffaCakes118_5a9cd645c0f16b17ae52fc986068aff0.exe	32
PID 1484 wrote to memory of 2248	1484	JaffaCakes118_5a9cd645c0f16b17ae52fc986068aff0.exe	32
PID 1484 wrote to memory of 2248	1484	JaffaCakes118_5a9cd645c0f16b17ae52fc986068aff0.exe	32
PID 1484 wrote to memory of 2248	1484	JaffaCakes118_5a9cd645c0f16b17ae52fc986068aff0.exe	32
PID 1484 wrote to memory of 2248	1484	JaffaCakes118_5a9cd645c0f16b17ae52fc986068aff0.exe	32
PID 1484 wrote to memory of 2248	1484	JaffaCakes118_5a9cd645c0f16b17ae52fc986068aff0.exe	32
PID 1484 wrote to memory of 2248	1484	JaffaCakes118_5a9cd645c0f16b17ae52fc986068aff0.exe	32
PID 1484 wrote to memory of 2248	1484	JaffaCakes118_5a9cd645c0f16b17ae52fc986068aff0.exe	32
PID 1484 wrote to memory of 2248	1484	JaffaCakes118_5a9cd645c0f16b17ae52fc986068aff0.exe	32
PID 1484 wrote to memory of 2248	1484	JaffaCakes118_5a9cd645c0f16b17ae52fc986068aff0.exe	32
PID 1484 wrote to memory of 1500	1484	JaffaCakes118_5a9cd645c0f16b17ae52fc986068aff0.exe	33
PID 1484 wrote to memory of 1500	1484	JaffaCakes118_5a9cd645c0f16b17ae52fc986068aff0.exe	33
PID 1484 wrote to memory of 1500	1484	JaffaCakes118_5a9cd645c0f16b17ae52fc986068aff0.exe	33
PID 1484 wrote to memory of 1500	1484	JaffaCakes118_5a9cd645c0f16b17ae52fc986068aff0.exe	33

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_5a9cd645c0f16b17ae52fc986068aff0.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_5a9cd645c0f16b17ae52fc986068aff0.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1484
- C:\Windows\SysWOW64\svchost.exe
  C:\Windows\system32\svchost.exe
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:400
- 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:2248
- C:\Users\Admin\AppData\Local\Temp\fswtskqoxtkktqpl.exe
  "C:\Users\Admin\AppData\Local\Temp\fswtskqoxtkktqpl.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  PID:1500

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

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Downloads

C:\Users\Admin\AppData\Local\fhhmgifr\nkyyqioi.exe

Filesize
101KB

MD5
5a9cd645c0f16b17ae52fc986068aff0

SHA1
e71b310a8fd6e4d5d7472c533fa0771e40d9cbd3

SHA256
631c10f4474b8a30082e03f5ef72c29cf44ec54fd99a341067ca2aa38acd7b36

SHA512
8fc97cf44306c5713a5afcd82a946397b90a982c1ca94909406788d46383191e48b3a3f0e576f1055b4c296dff78582d61c20e2983464c8f5497e4fab925e7b3

Download Submit
memory/400-20-0x0000000000060000-0x0000000000061000-memory.dmp

Filesize
4KB

Download
memory/400-21-0x0000000020010000-0x000000002001C000-memory.dmp

Filesize
48KB

Download
memory/400-22-0x0000000020010000-0x000000002001C000-memory.dmp

Filesize
48KB

Download
memory/400-9-0x0000000000050000-0x0000000000051000-memory.dmp

Filesize
4KB

Download
memory/400-15-0x0000000000050000-0x0000000000051000-memory.dmp

Filesize
4KB

Download
memory/400-14-0x0000000000070000-0x0000000000071000-memory.dmp

Filesize
4KB

Download
memory/400-23-0x0000000020010000-0x000000002001C000-memory.dmp

Filesize
48KB

Download
memory/400-7-0x0000000020010000-0x000000002001C000-memory.dmp

Filesize
48KB

Download
memory/400-16-0x0000000020010000-0x000000002001C000-memory.dmp

Filesize
48KB

Download
memory/1484-56-0x0000000077B00000-0x0000000077B01000-memory.dmp

Filesize
4KB

Download
memory/1484-67-0x0000000077AFF000-0x0000000077B00000-memory.dmp

Filesize
4KB

Download
memory/1484-13-0x0000000000400000-0x000000000043A20C-memory.dmp

Filesize
232KB

Download
memory/1484-5-0x0000000000240000-0x0000000000241000-memory.dmp

Filesize
4KB

Download
memory/1484-2-0x0000000000400000-0x000000000043A20C-memory.dmp

Filesize
232KB

Download
memory/1484-4-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/1484-34-0x0000000077AFF000-0x0000000077B00000-memory.dmp

Filesize
4KB

Download
memory/1484-33-0x0000000077B00000-0x0000000077B01000-memory.dmp

Filesize
4KB

Download
memory/1484-35-0x0000000000400000-0x000000000043B000-memory.dmp

Filesize
236KB

Download
memory/1484-86-0x0000000000400000-0x000000000043A20C-memory.dmp

Filesize
232KB

Download
memory/1484-40-0x0000000000400000-0x000000000043A20C-memory.dmp

Filesize
232KB

Download
memory/1484-1-0x0000000000400000-0x000000000043B000-memory.dmp

Filesize
236KB

Download
memory/1484-87-0x0000000000400000-0x000000000043B000-memory.dmp

Filesize
236KB

Download
memory/1484-82-0x0000000002CC0000-0x0000000002CFB000-memory.dmp

Filesize
236KB

Download
memory/1484-0-0x0000000000400000-0x000000000043A20C-memory.dmp

Filesize
232KB

Download
memory/1484-83-0x0000000002CC0000-0x0000000002CFB000-memory.dmp

Filesize
236KB

Download
memory/1484-71-0x0000000002CB0000-0x0000000002CEB000-memory.dmp

Filesize
236KB

Download
memory/1500-91-0x0000000000400000-0x000000000043A20C-memory.dmp

Filesize
232KB

Download
memory/1500-88-0x0000000000400000-0x000000000043A20C-memory.dmp

Filesize
232KB

Download
memory/1500-92-0x0000000000400000-0x000000000043B000-memory.dmp

Filesize
236KB

Download
memory/2248-27-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2248-59-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2248-47-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2248-50-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2248-53-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2248-46-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2248-58-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2248-37-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2248-63-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2248-61-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2248-93-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2248-95-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2248-96-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2248-97-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2248-98-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2248-99-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2248-100-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2248-101-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2248-102-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download