ramnit | 1c27ce80f76fd2cddd0e0b6bd41da98d27837a3e9783d0f8a79ed3a6bd7e5c23

Analysis

max time kernel
150s
max time network
143s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
20-01-2025 08:12

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General

Target

JaffaCakes118_e15bcee8ab661859c75ba636d063ddbf.exe
Size

101KB
MD5

e15bcee8ab661859c75ba636d063ddbf
SHA1

7756e5bc555f679d9451b1cec9d749e328156276
SHA256

1c27ce80f76fd2cddd0e0b6bd41da98d27837a3e9783d0f8a79ed3a6bd7e5c23
SHA512

e044fd3b65f68b2af48f5e9b14c1b0c14c3a7431a80f9aec8cd879d8f4945f2c5a8e6c1c2a3af589c32a3d4eaa7f78a203c26e15f9e46bfae89edc67eba0a9fb
SSDEEP

3072:vDSKiauBZz/DhceNw1OTw+XIU5jwaaHw7Koj4rBzf3:rSKbwhdcqYIhXNA73

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

Executes dropped EXE 1 IoCs

pid	Process
2152	eqoqopqhpgpxsbhw.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
1540	JaffaCakes118_e15bcee8ab661859c75ba636d063ddbf.exe
1540	JaffaCakes118_e15bcee8ab661859c75ba636d063ddbf.exe
1540	JaffaCakes118_e15bcee8ab661859c75ba636d063ddbf.exe
1540	JaffaCakes118_e15bcee8ab661859c75ba636d063ddbf.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-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows\CurrentVersion\Run\MlqVjnob = "C:\\Users\\Admin\\AppData\\Local\\efyjynik\\mlqvjnob.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_e15bcee8ab661859c75ba636d063ddbf.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
2636	svchost.exe
2636	svchost.exe
2636	svchost.exe
2636	svchost.exe
2636	svchost.exe
2636	svchost.exe
2636	svchost.exe
2636	svchost.exe
2636	svchost.exe
2636	svchost.exe
2636	svchost.exe
2636	svchost.exe
2636	svchost.exe
2636	svchost.exe
2636	svchost.exe
2636	svchost.exe
2636	svchost.exe
2636	svchost.exe
2636	svchost.exe
2636	svchost.exe
2636	svchost.exe
2636	svchost.exe
2636	svchost.exe
2636	svchost.exe
2636	svchost.exe
2636	svchost.exe
2636	svchost.exe
2636	svchost.exe
2636	svchost.exe
2636	svchost.exe
2636	svchost.exe
2636	svchost.exe
2636	svchost.exe
2636	svchost.exe
2636	svchost.exe
2636	svchost.exe
2636	svchost.exe
2636	svchost.exe
2636	svchost.exe
2636	svchost.exe
2636	svchost.exe
2636	svchost.exe
2636	svchost.exe
2636	svchost.exe
2636	svchost.exe
2636	svchost.exe
2636	svchost.exe
2636	svchost.exe
2636	svchost.exe
2636	svchost.exe
2636	svchost.exe
2636	svchost.exe
2636	svchost.exe
2636	svchost.exe
2636	svchost.exe
2636	svchost.exe
2636	svchost.exe
2636	svchost.exe
2636	svchost.exe
2636	svchost.exe
2636	svchost.exe
2636	svchost.exe
2636	svchost.exe
2636	svchost.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
476	Process not Found

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeSecurityPrivilege	1540	JaffaCakes118_e15bcee8ab661859c75ba636d063ddbf.exe
Token: SeDebugPrivilege	1540	JaffaCakes118_e15bcee8ab661859c75ba636d063ddbf.exe
Token: SeSecurityPrivilege	2564	svchost.exe
Token: SeSecurityPrivilege	2636	svchost.exe
Token: SeDebugPrivilege	2636	svchost.exe
Token: SeRestorePrivilege	2636	svchost.exe
Token: SeBackupPrivilege	2636	svchost.exe
Token: SeRestorePrivilege	2636	svchost.exe
Token: SeBackupPrivilege	2636	svchost.exe
Token: SeRestorePrivilege	2636	svchost.exe
Token: SeBackupPrivilege	2636	svchost.exe
Token: SeRestorePrivilege	2636	svchost.exe
Token: SeBackupPrivilege	2636	svchost.exe
Token: SeRestorePrivilege	2636	svchost.exe
Token: SeBackupPrivilege	2636	svchost.exe
Token: SeRestorePrivilege	2636	svchost.exe
Token: SeBackupPrivilege	2636	svchost.exe
Token: SeSecurityPrivilege	2152	eqoqopqhpgpxsbhw.exe
Token: SeLoadDriverPrivilege	2152	eqoqopqhpgpxsbhw.exe
Token: SeRestorePrivilege	2636	svchost.exe
Token: SeBackupPrivilege	2636	svchost.exe
Token: SeRestorePrivilege	2636	svchost.exe
Token: SeBackupPrivilege	2636	svchost.exe
Token: SeRestorePrivilege	2636	svchost.exe
Token: SeBackupPrivilege	2636	svchost.exe
Token: SeRestorePrivilege	2636	svchost.exe
Token: SeBackupPrivilege	2636	svchost.exe
Token: SeRestorePrivilege	2636	svchost.exe
Token: SeBackupPrivilege	2636	svchost.exe
Token: SeRestorePrivilege	2636	svchost.exe
Token: SeBackupPrivilege	2636	svchost.exe
Token: SeRestorePrivilege	2636	svchost.exe
Token: SeBackupPrivilege	2636	svchost.exe
Token: SeRestorePrivilege	2636	svchost.exe
Token: SeBackupPrivilege	2636	svchost.exe
Token: SeRestorePrivilege	2636	svchost.exe
Token: SeBackupPrivilege	2636	svchost.exe
Token: SeRestorePrivilege	2636	svchost.exe
Token: SeBackupPrivilege	2636	svchost.exe
Token: SeRestorePrivilege	2636	svchost.exe
Token: SeBackupPrivilege	2636	svchost.exe
Token: SeRestorePrivilege	2636	svchost.exe
Token: SeBackupPrivilege	2636	svchost.exe
Token: SeRestorePrivilege	2636	svchost.exe
Token: SeBackupPrivilege	2636	svchost.exe
Token: SeRestorePrivilege	2636	svchost.exe
Token: SeBackupPrivilege	2636	svchost.exe
Token: SeRestorePrivilege	2636	svchost.exe
Token: SeBackupPrivilege	2636	svchost.exe
Token: SeRestorePrivilege	2636	svchost.exe
Token: SeBackupPrivilege	2636	svchost.exe
Token: SeRestorePrivilege	2636	svchost.exe
Token: SeBackupPrivilege	2636	svchost.exe
Token: SeRestorePrivilege	2636	svchost.exe
Token: SeBackupPrivilege	2636	svchost.exe
Token: SeRestorePrivilege	2636	svchost.exe
Token: SeBackupPrivilege	2636	svchost.exe
Token: SeRestorePrivilege	2636	svchost.exe
Token: SeBackupPrivilege	2636	svchost.exe
Token: SeRestorePrivilege	2636	svchost.exe
Token: SeBackupPrivilege	2636	svchost.exe
Token: SeRestorePrivilege	2636	svchost.exe
Token: SeBackupPrivilege	2636	svchost.exe
Token: SeRestorePrivilege	2636	svchost.exe

Suspicious use of WriteProcessMemory 24 IoCs

description	pid	Process	procid_target
PID 1540 wrote to memory of 2564	1540	JaffaCakes118_e15bcee8ab661859c75ba636d063ddbf.exe	29
PID 1540 wrote to memory of 2564	1540	JaffaCakes118_e15bcee8ab661859c75ba636d063ddbf.exe	29
PID 1540 wrote to memory of 2564	1540	JaffaCakes118_e15bcee8ab661859c75ba636d063ddbf.exe	29
PID 1540 wrote to memory of 2564	1540	JaffaCakes118_e15bcee8ab661859c75ba636d063ddbf.exe	29
PID 1540 wrote to memory of 2564	1540	JaffaCakes118_e15bcee8ab661859c75ba636d063ddbf.exe	29
PID 1540 wrote to memory of 2564	1540	JaffaCakes118_e15bcee8ab661859c75ba636d063ddbf.exe	29
PID 1540 wrote to memory of 2564	1540	JaffaCakes118_e15bcee8ab661859c75ba636d063ddbf.exe	29
PID 1540 wrote to memory of 2564	1540	JaffaCakes118_e15bcee8ab661859c75ba636d063ddbf.exe	29
PID 1540 wrote to memory of 2564	1540	JaffaCakes118_e15bcee8ab661859c75ba636d063ddbf.exe	29
PID 1540 wrote to memory of 2564	1540	JaffaCakes118_e15bcee8ab661859c75ba636d063ddbf.exe	29
PID 1540 wrote to memory of 2636	1540	JaffaCakes118_e15bcee8ab661859c75ba636d063ddbf.exe	30
PID 1540 wrote to memory of 2636	1540	JaffaCakes118_e15bcee8ab661859c75ba636d063ddbf.exe	30
PID 1540 wrote to memory of 2636	1540	JaffaCakes118_e15bcee8ab661859c75ba636d063ddbf.exe	30
PID 1540 wrote to memory of 2636	1540	JaffaCakes118_e15bcee8ab661859c75ba636d063ddbf.exe	30
PID 1540 wrote to memory of 2636	1540	JaffaCakes118_e15bcee8ab661859c75ba636d063ddbf.exe	30
PID 1540 wrote to memory of 2636	1540	JaffaCakes118_e15bcee8ab661859c75ba636d063ddbf.exe	30
PID 1540 wrote to memory of 2636	1540	JaffaCakes118_e15bcee8ab661859c75ba636d063ddbf.exe	30
PID 1540 wrote to memory of 2636	1540	JaffaCakes118_e15bcee8ab661859c75ba636d063ddbf.exe	30
PID 1540 wrote to memory of 2636	1540	JaffaCakes118_e15bcee8ab661859c75ba636d063ddbf.exe	30
PID 1540 wrote to memory of 2636	1540	JaffaCakes118_e15bcee8ab661859c75ba636d063ddbf.exe	30
PID 1540 wrote to memory of 2152	1540	JaffaCakes118_e15bcee8ab661859c75ba636d063ddbf.exe	31
PID 1540 wrote to memory of 2152	1540	JaffaCakes118_e15bcee8ab661859c75ba636d063ddbf.exe	31
PID 1540 wrote to memory of 2152	1540	JaffaCakes118_e15bcee8ab661859c75ba636d063ddbf.exe	31
PID 1540 wrote to memory of 2152	1540	JaffaCakes118_e15bcee8ab661859c75ba636d063ddbf.exe	31

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_e15bcee8ab661859c75ba636d063ddbf.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_e15bcee8ab661859c75ba636d063ddbf.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1540
- C:\Windows\SysWOW64\svchost.exe
  C:\Windows\system32\svchost.exe
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:2564
- 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:2636
- C:\Users\Admin\AppData\Local\Temp\eqoqopqhpgpxsbhw.exe
  "C:\Users\Admin\AppData\Local\Temp\eqoqopqhpgpxsbhw.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  PID:2152

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\efyjynik\mlqvjnob.exe

Filesize
101KB

MD5
e15bcee8ab661859c75ba636d063ddbf

SHA1
7756e5bc555f679d9451b1cec9d749e328156276

SHA256
1c27ce80f76fd2cddd0e0b6bd41da98d27837a3e9783d0f8a79ed3a6bd7e5c23

SHA512
e044fd3b65f68b2af48f5e9b14c1b0c14c3a7431a80f9aec8cd879d8f4945f2c5a8e6c1c2a3af589c32a3d4eaa7f78a203c26e15f9e46bfae89edc67eba0a9fb

Download Submit
memory/1540-48-0x0000000000400000-0x000000000043B000-memory.dmp

Filesize
236KB

Download
memory/1540-0-0x0000000000400000-0x000000000043A20C-memory.dmp

Filesize
232KB

Download
memory/1540-5-0x00000000003D0000-0x00000000003D1000-memory.dmp

Filesize
4KB

Download
memory/1540-1-0x0000000000400000-0x000000000043B000-memory.dmp

Filesize
236KB

Download
memory/1540-56-0x0000000000400000-0x000000000043A20C-memory.dmp

Filesize
232KB

Download
memory/1540-4-0x00000000003C0000-0x00000000003C1000-memory.dmp

Filesize
4KB

Download
memory/1540-2-0x0000000000400000-0x000000000043A20C-memory.dmp

Filesize
232KB

Download
memory/1540-34-0x000000007744F000-0x0000000077450000-memory.dmp

Filesize
4KB

Download
memory/1540-54-0x0000000000400000-0x000000000043A20C-memory.dmp

Filesize
232KB

Download
memory/1540-33-0x0000000077450000-0x0000000077451000-memory.dmp

Filesize
4KB

Download
memory/1540-84-0x0000000000400000-0x000000000043B000-memory.dmp

Filesize
236KB

Download
memory/1540-71-0x000000007744F000-0x0000000077450000-memory.dmp

Filesize
4KB

Download
memory/1540-72-0x0000000002930000-0x000000000296B000-memory.dmp

Filesize
236KB

Download
memory/1540-55-0x0000000077450000-0x0000000077451000-memory.dmp

Filesize
4KB

Download
memory/1540-6-0x0000000000400000-0x000000000043A20C-memory.dmp

Filesize
232KB

Download
memory/2152-86-0x0000000000400000-0x000000000043A20C-memory.dmp

Filesize
232KB

Download
memory/2152-90-0x0000000000400000-0x000000000043A20C-memory.dmp

Filesize
232KB

Download
memory/2152-91-0x0000000000400000-0x000000000043B000-memory.dmp

Filesize
236KB

Download
memory/2564-10-0x0000000000050000-0x0000000000051000-memory.dmp

Filesize
4KB

Download
memory/2564-22-0x0000000020010000-0x000000002001C000-memory.dmp

Filesize
48KB

Download
memory/2564-14-0x0000000000070000-0x0000000000071000-memory.dmp

Filesize
4KB

Download
memory/2564-15-0x0000000000050000-0x0000000000051000-memory.dmp

Filesize
4KB

Download
memory/2564-21-0x0000000020010000-0x000000002001C000-memory.dmp

Filesize
48KB

Download
memory/2564-8-0x0000000020010000-0x000000002001C000-memory.dmp

Filesize
48KB

Download
memory/2564-16-0x0000000020010000-0x000000002001C000-memory.dmp

Filesize
48KB

Download
memory/2564-20-0x0000000000060000-0x0000000000061000-memory.dmp

Filesize
4KB

Download
memory/2564-23-0x0000000020010000-0x000000002001C000-memory.dmp

Filesize
48KB

Download
memory/2636-35-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2636-95-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2636-27-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2636-52-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2636-67-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2636-58-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2636-44-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2636-92-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2636-93-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2636-45-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2636-94-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2636-96-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2636-97-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2636-98-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2636-99-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2636-100-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2636-101-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download