ramnit | 1c16c326b5a46758e822b6cc755d8a48b4ff02b05061fd7e1f39deca629321fd

Analysis

max time kernel
150s
max time network
143s
platform
windows7_x64
resource
win7-20241023-en
resource tags

arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
submitted
18-01-2025 21:25

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General

Target

JaffaCakes118_b4ef121242f51317028b4e1340a39dfa.exe
Size

104KB
MD5

b4ef121242f51317028b4e1340a39dfa
SHA1

44093b5600f754f5b4b9a7d01d638f727201c83f
SHA256

1c16c326b5a46758e822b6cc755d8a48b4ff02b05061fd7e1f39deca629321fd
SHA512

aa04ff289ce70ad9006efcc2354c92fe95b3603263f294f5f715e8874fbb6c181ba773098162b41c79ae150a41705200e2bb713ac953b9f8904f621830efb039
SSDEEP

3072:mdkoV4I2VK/Jmp6Gb+eCDgb3GmT2Bb5jwaaHw7Koj4rG:gVR2VK/46GQ8gX

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

Executes dropped EXE 1 IoCs

pid	Process
2848	dkpkfblqniperekt.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
2604	JaffaCakes118_b4ef121242f51317028b4e1340a39dfa.exe
2604	JaffaCakes118_b4ef121242f51317028b4e1340a39dfa.exe
2604	JaffaCakes118_b4ef121242f51317028b4e1340a39dfa.exe
2604	JaffaCakes118_b4ef121242f51317028b4e1340a39dfa.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\LfrPdyjk = "C:\\Users\\Admin\\AppData\\Local\\dyadsvdt\\lfrpdyjk.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_b4ef121242f51317028b4e1340a39dfa.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
2992	svchost.exe
2992	svchost.exe
2992	svchost.exe
2992	svchost.exe
2992	svchost.exe
2992	svchost.exe
2992	svchost.exe
2992	svchost.exe
2992	svchost.exe
2992	svchost.exe
2992	svchost.exe
2992	svchost.exe
2992	svchost.exe
2992	svchost.exe
2992	svchost.exe
2992	svchost.exe
2992	svchost.exe
2992	svchost.exe
2992	svchost.exe
2992	svchost.exe
2992	svchost.exe
2992	svchost.exe
2992	svchost.exe
2992	svchost.exe
2992	svchost.exe
2992	svchost.exe
2992	svchost.exe
2992	svchost.exe
2992	svchost.exe
2992	svchost.exe
2992	svchost.exe
2992	svchost.exe
2992	svchost.exe
2992	svchost.exe
2992	svchost.exe
2992	svchost.exe
2992	svchost.exe
2992	svchost.exe
2992	svchost.exe
2992	svchost.exe
2992	svchost.exe
2992	svchost.exe
2992	svchost.exe
2992	svchost.exe
2992	svchost.exe
2992	svchost.exe
2992	svchost.exe
2992	svchost.exe
2992	svchost.exe
2992	svchost.exe
2992	svchost.exe
2992	svchost.exe
2992	svchost.exe
2992	svchost.exe
2992	svchost.exe
2992	svchost.exe
2992	svchost.exe
2992	svchost.exe
2992	svchost.exe
2992	svchost.exe
2992	svchost.exe
2992	svchost.exe
2992	svchost.exe
2992	svchost.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
476	Process not Found

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeSecurityPrivilege	2604	JaffaCakes118_b4ef121242f51317028b4e1340a39dfa.exe
Token: SeDebugPrivilege	2604	JaffaCakes118_b4ef121242f51317028b4e1340a39dfa.exe
Token: SeSecurityPrivilege	1784	svchost.exe
Token: SeSecurityPrivilege	2992	svchost.exe
Token: SeDebugPrivilege	2992	svchost.exe
Token: SeRestorePrivilege	2992	svchost.exe
Token: SeBackupPrivilege	2992	svchost.exe
Token: SeRestorePrivilege	2992	svchost.exe
Token: SeBackupPrivilege	2992	svchost.exe
Token: SeRestorePrivilege	2992	svchost.exe
Token: SeBackupPrivilege	2992	svchost.exe
Token: SeRestorePrivilege	2992	svchost.exe
Token: SeBackupPrivilege	2992	svchost.exe
Token: SeRestorePrivilege	2992	svchost.exe
Token: SeBackupPrivilege	2992	svchost.exe
Token: SeRestorePrivilege	2992	svchost.exe
Token: SeBackupPrivilege	2992	svchost.exe
Token: SeSecurityPrivilege	2848	dkpkfblqniperekt.exe
Token: SeLoadDriverPrivilege	2848	dkpkfblqniperekt.exe
Token: SeRestorePrivilege	2992	svchost.exe
Token: SeBackupPrivilege	2992	svchost.exe
Token: SeRestorePrivilege	2992	svchost.exe
Token: SeBackupPrivilege	2992	svchost.exe
Token: SeRestorePrivilege	2992	svchost.exe
Token: SeBackupPrivilege	2992	svchost.exe
Token: SeRestorePrivilege	2992	svchost.exe
Token: SeBackupPrivilege	2992	svchost.exe
Token: SeRestorePrivilege	2992	svchost.exe
Token: SeBackupPrivilege	2992	svchost.exe
Token: SeRestorePrivilege	2992	svchost.exe
Token: SeBackupPrivilege	2992	svchost.exe
Token: SeRestorePrivilege	2992	svchost.exe
Token: SeBackupPrivilege	2992	svchost.exe
Token: SeRestorePrivilege	2992	svchost.exe
Token: SeBackupPrivilege	2992	svchost.exe
Token: SeRestorePrivilege	2992	svchost.exe
Token: SeBackupPrivilege	2992	svchost.exe
Token: SeRestorePrivilege	2992	svchost.exe
Token: SeBackupPrivilege	2992	svchost.exe
Token: SeRestorePrivilege	2992	svchost.exe
Token: SeBackupPrivilege	2992	svchost.exe
Token: SeRestorePrivilege	2992	svchost.exe
Token: SeBackupPrivilege	2992	svchost.exe
Token: SeRestorePrivilege	2992	svchost.exe
Token: SeBackupPrivilege	2992	svchost.exe
Token: SeRestorePrivilege	2992	svchost.exe
Token: SeBackupPrivilege	2992	svchost.exe
Token: SeRestorePrivilege	2992	svchost.exe
Token: SeBackupPrivilege	2992	svchost.exe
Token: SeRestorePrivilege	2992	svchost.exe
Token: SeBackupPrivilege	2992	svchost.exe
Token: SeRestorePrivilege	2992	svchost.exe
Token: SeBackupPrivilege	2992	svchost.exe
Token: SeRestorePrivilege	2992	svchost.exe
Token: SeBackupPrivilege	2992	svchost.exe
Token: SeRestorePrivilege	2992	svchost.exe
Token: SeBackupPrivilege	2992	svchost.exe
Token: SeRestorePrivilege	2992	svchost.exe
Token: SeBackupPrivilege	2992	svchost.exe
Token: SeRestorePrivilege	2992	svchost.exe
Token: SeBackupPrivilege	2992	svchost.exe
Token: SeRestorePrivilege	2992	svchost.exe
Token: SeBackupPrivilege	2992	svchost.exe
Token: SeRestorePrivilege	2992	svchost.exe

Suspicious use of WriteProcessMemory 24 IoCs

description	pid	Process	procid_target
PID 2604 wrote to memory of 1784	2604	JaffaCakes118_b4ef121242f51317028b4e1340a39dfa.exe	30
PID 2604 wrote to memory of 1784	2604	JaffaCakes118_b4ef121242f51317028b4e1340a39dfa.exe	30
PID 2604 wrote to memory of 1784	2604	JaffaCakes118_b4ef121242f51317028b4e1340a39dfa.exe	30
PID 2604 wrote to memory of 1784	2604	JaffaCakes118_b4ef121242f51317028b4e1340a39dfa.exe	30
PID 2604 wrote to memory of 1784	2604	JaffaCakes118_b4ef121242f51317028b4e1340a39dfa.exe	30
PID 2604 wrote to memory of 1784	2604	JaffaCakes118_b4ef121242f51317028b4e1340a39dfa.exe	30
PID 2604 wrote to memory of 1784	2604	JaffaCakes118_b4ef121242f51317028b4e1340a39dfa.exe	30
PID 2604 wrote to memory of 1784	2604	JaffaCakes118_b4ef121242f51317028b4e1340a39dfa.exe	30
PID 2604 wrote to memory of 1784	2604	JaffaCakes118_b4ef121242f51317028b4e1340a39dfa.exe	30
PID 2604 wrote to memory of 1784	2604	JaffaCakes118_b4ef121242f51317028b4e1340a39dfa.exe	30
PID 2604 wrote to memory of 2992	2604	JaffaCakes118_b4ef121242f51317028b4e1340a39dfa.exe	31
PID 2604 wrote to memory of 2992	2604	JaffaCakes118_b4ef121242f51317028b4e1340a39dfa.exe	31
PID 2604 wrote to memory of 2992	2604	JaffaCakes118_b4ef121242f51317028b4e1340a39dfa.exe	31
PID 2604 wrote to memory of 2992	2604	JaffaCakes118_b4ef121242f51317028b4e1340a39dfa.exe	31
PID 2604 wrote to memory of 2992	2604	JaffaCakes118_b4ef121242f51317028b4e1340a39dfa.exe	31
PID 2604 wrote to memory of 2992	2604	JaffaCakes118_b4ef121242f51317028b4e1340a39dfa.exe	31
PID 2604 wrote to memory of 2992	2604	JaffaCakes118_b4ef121242f51317028b4e1340a39dfa.exe	31
PID 2604 wrote to memory of 2992	2604	JaffaCakes118_b4ef121242f51317028b4e1340a39dfa.exe	31
PID 2604 wrote to memory of 2992	2604	JaffaCakes118_b4ef121242f51317028b4e1340a39dfa.exe	31
PID 2604 wrote to memory of 2992	2604	JaffaCakes118_b4ef121242f51317028b4e1340a39dfa.exe	31
PID 2604 wrote to memory of 2848	2604	JaffaCakes118_b4ef121242f51317028b4e1340a39dfa.exe	32
PID 2604 wrote to memory of 2848	2604	JaffaCakes118_b4ef121242f51317028b4e1340a39dfa.exe	32
PID 2604 wrote to memory of 2848	2604	JaffaCakes118_b4ef121242f51317028b4e1340a39dfa.exe	32
PID 2604 wrote to memory of 2848	2604	JaffaCakes118_b4ef121242f51317028b4e1340a39dfa.exe	32

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b4ef121242f51317028b4e1340a39dfa.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b4ef121242f51317028b4e1340a39dfa.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2604
- C:\Windows\SysWOW64\svchost.exe
  C:\Windows\system32\svchost.exe
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:1784
- 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:2992
- C:\Users\Admin\AppData\Local\Temp\dkpkfblqniperekt.exe
  "C:\Users\Admin\AppData\Local\Temp\dkpkfblqniperekt.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  PID:2848

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\dyadsvdt\lfrpdyjk.exe

Filesize
104KB

MD5
b4ef121242f51317028b4e1340a39dfa

SHA1
44093b5600f754f5b4b9a7d01d638f727201c83f

SHA256
1c16c326b5a46758e822b6cc755d8a48b4ff02b05061fd7e1f39deca629321fd

SHA512
aa04ff289ce70ad9006efcc2354c92fe95b3603263f294f5f715e8874fbb6c181ba773098162b41c79ae150a41705200e2bb713ac953b9f8904f621830efb039

Download Submit
memory/1784-20-0x0000000020010000-0x000000002001C000-memory.dmp

Filesize
48KB

Download
memory/1784-13-0x0000000020010000-0x000000002001C000-memory.dmp

Filesize
48KB

Download
memory/1784-21-0x0000000020010000-0x000000002001C000-memory.dmp

Filesize
48KB

Download
memory/1784-22-0x0000000020010000-0x000000002001C000-memory.dmp

Filesize
48KB

Download
memory/1784-6-0x0000000000050000-0x0000000000051000-memory.dmp

Filesize
4KB

Download
memory/1784-4-0x0000000020010000-0x000000002001C000-memory.dmp

Filesize
48KB

Download
memory/1784-19-0x0000000000060000-0x0000000000061000-memory.dmp

Filesize
4KB

Download
memory/1784-18-0x0000000000050000-0x0000000000051000-memory.dmp

Filesize
4KB

Download
memory/1784-17-0x0000000000070000-0x0000000000071000-memory.dmp

Filesize
4KB

Download
memory/2604-63-0x00000000028F0000-0x000000000292B000-memory.dmp

Filesize
236KB

Download
memory/2604-1-0x00000000001C0000-0x00000000001C1000-memory.dmp

Filesize
4KB

Download
memory/2604-10-0x0000000000400000-0x000000000043A0EC-memory.dmp

Filesize
232KB

Download
memory/2604-11-0x0000000000400000-0x000000000043B000-memory.dmp

Filesize
236KB

Download
memory/2604-12-0x0000000000400000-0x000000000043A0EC-memory.dmp

Filesize
232KB

Download
memory/2604-71-0x0000000002900000-0x000000000293B000-memory.dmp

Filesize
236KB

Download
memory/2604-36-0x0000000077210000-0x0000000077211000-memory.dmp

Filesize
4KB

Download
memory/2604-72-0x000000007720F000-0x0000000077210000-memory.dmp

Filesize
4KB

Download
memory/2604-53-0x0000000077210000-0x0000000077211000-memory.dmp

Filesize
4KB

Download
memory/2604-64-0x00000000028F0000-0x000000000292B000-memory.dmp

Filesize
236KB

Download
memory/2604-54-0x0000000000400000-0x000000000043B000-memory.dmp

Filesize
236KB

Download
memory/2604-55-0x0000000000400000-0x000000000043A0EC-memory.dmp

Filesize
232KB

Download
memory/2604-37-0x000000007720F000-0x0000000077210000-memory.dmp

Filesize
4KB

Download
memory/2604-2-0x00000000001D0000-0x00000000001D1000-memory.dmp

Filesize
4KB

Download
memory/2848-75-0x0000000000400000-0x000000000043B000-memory.dmp

Filesize
236KB

Download
memory/2848-76-0x0000000000400000-0x000000000043A0EC-memory.dmp

Filesize
232KB

Download
memory/2848-79-0x0000000000400000-0x000000000043A0EC-memory.dmp

Filesize
232KB

Download
memory/2848-80-0x0000000000400000-0x000000000043B000-memory.dmp

Filesize
236KB

Download
memory/2992-32-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2992-43-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2992-44-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2992-46-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2992-50-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2992-26-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2992-81-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2992-87-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2992-90-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2992-91-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2992-92-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2992-93-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2992-94-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2992-95-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2992-96-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2992-97-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2992-98-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2992-99-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2992-100-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download