ramnit | f65ff59305a3749075f46b721c816a4db3ecd7893ddc3c1c50521b6a942ce208

Analysis

max time kernel
150s
max time network
145s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
27-01-2025 10:43

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General

Target

JaffaCakes118_3ec2c43450d11e3980205bed284a2326.exe
Size

127KB
MD5

3ec2c43450d11e3980205bed284a2326
SHA1

8c6c24c0bc753bbddaec0c1f7671e5a622e2e85d
SHA256

f65ff59305a3749075f46b721c816a4db3ecd7893ddc3c1c50521b6a942ce208
SHA512

fd7b0a4872f11f7c2ef10973fec4a047ba2498948230012f7101bfe0f1a8b3f168d5a203a9a44a426299d7a1427c627be8bdaa4150377a9a5cbbf6660a25024f
SSDEEP

3072:+N7xyZS7Gfub9prvPGZ6gQfNA4sdUFk8jwaaHw7Koj4rW+e:A7EZS7GkpKZ6gQFlAc

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

Executes dropped EXE 1 IoCs

pid	Process
812	bulknwmxueepfcyq.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
2916	JaffaCakes118_3ec2c43450d11e3980205bed284a2326.exe
2916	JaffaCakes118_3ec2c43450d11e3980205bed284a2326.exe
2916	JaffaCakes118_3ec2c43450d11e3980205bed284a2326.exe
2916	JaffaCakes118_3ec2c43450d11e3980205bed284a2326.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-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Run\JpqPlunr = "C:\\Users\\Admin\\AppData\\Local\\bjydbreb\\jpqplunr.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 4 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_3ec2c43450d11e3980205bed284a2326.exe
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	bulknwmxueepfcyq.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2820	svchost.exe
2820	svchost.exe
2820	svchost.exe
2820	svchost.exe
2820	svchost.exe
2820	svchost.exe
2820	svchost.exe
2820	svchost.exe
2820	svchost.exe
2820	svchost.exe
2820	svchost.exe
2820	svchost.exe
2820	svchost.exe
2820	svchost.exe
2820	svchost.exe
2820	svchost.exe
2820	svchost.exe
2820	svchost.exe
2820	svchost.exe
2820	svchost.exe
2820	svchost.exe
2820	svchost.exe
2820	svchost.exe
2820	svchost.exe
2820	svchost.exe
2820	svchost.exe
2820	svchost.exe
2820	svchost.exe
2820	svchost.exe
2820	svchost.exe
2820	svchost.exe
2820	svchost.exe
2820	svchost.exe
2820	svchost.exe
2820	svchost.exe
2820	svchost.exe
2820	svchost.exe
2820	svchost.exe
2820	svchost.exe
2820	svchost.exe
2820	svchost.exe
2820	svchost.exe
2820	svchost.exe
2820	svchost.exe
2820	svchost.exe
2820	svchost.exe
2820	svchost.exe
2820	svchost.exe
2820	svchost.exe
2820	svchost.exe
2820	svchost.exe
2820	svchost.exe
2820	svchost.exe
2820	svchost.exe
2820	svchost.exe
2820	svchost.exe
2820	svchost.exe
2820	svchost.exe
2820	svchost.exe
2820	svchost.exe
2820	svchost.exe
2820	svchost.exe
2820	svchost.exe
2820	svchost.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
480	Process not Found

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeSecurityPrivilege	2916	JaffaCakes118_3ec2c43450d11e3980205bed284a2326.exe
Token: SeDebugPrivilege	2916	JaffaCakes118_3ec2c43450d11e3980205bed284a2326.exe
Token: SeSecurityPrivilege	2372	svchost.exe
Token: SeSecurityPrivilege	2820	svchost.exe
Token: SeDebugPrivilege	2820	svchost.exe
Token: SeRestorePrivilege	2820	svchost.exe
Token: SeBackupPrivilege	2820	svchost.exe
Token: SeRestorePrivilege	2820	svchost.exe
Token: SeBackupPrivilege	2820	svchost.exe
Token: SeRestorePrivilege	2820	svchost.exe
Token: SeBackupPrivilege	2820	svchost.exe
Token: SeRestorePrivilege	2820	svchost.exe
Token: SeBackupPrivilege	2820	svchost.exe
Token: SeRestorePrivilege	2820	svchost.exe
Token: SeBackupPrivilege	2820	svchost.exe
Token: SeRestorePrivilege	2820	svchost.exe
Token: SeBackupPrivilege	2820	svchost.exe
Token: SeSecurityPrivilege	812	bulknwmxueepfcyq.exe
Token: SeLoadDriverPrivilege	812	bulknwmxueepfcyq.exe
Token: SeRestorePrivilege	2820	svchost.exe
Token: SeBackupPrivilege	2820	svchost.exe
Token: SeRestorePrivilege	2820	svchost.exe
Token: SeBackupPrivilege	2820	svchost.exe
Token: SeRestorePrivilege	2820	svchost.exe
Token: SeBackupPrivilege	2820	svchost.exe
Token: SeRestorePrivilege	2820	svchost.exe
Token: SeBackupPrivilege	2820	svchost.exe
Token: SeRestorePrivilege	2820	svchost.exe
Token: SeBackupPrivilege	2820	svchost.exe
Token: SeRestorePrivilege	2820	svchost.exe
Token: SeBackupPrivilege	2820	svchost.exe
Token: SeRestorePrivilege	2820	svchost.exe
Token: SeBackupPrivilege	2820	svchost.exe
Token: SeRestorePrivilege	2820	svchost.exe
Token: SeBackupPrivilege	2820	svchost.exe
Token: SeRestorePrivilege	2820	svchost.exe
Token: SeBackupPrivilege	2820	svchost.exe
Token: SeRestorePrivilege	2820	svchost.exe
Token: SeBackupPrivilege	2820	svchost.exe
Token: SeRestorePrivilege	2820	svchost.exe
Token: SeBackupPrivilege	2820	svchost.exe
Token: SeRestorePrivilege	2820	svchost.exe
Token: SeBackupPrivilege	2820	svchost.exe
Token: SeRestorePrivilege	2820	svchost.exe
Token: SeBackupPrivilege	2820	svchost.exe
Token: SeRestorePrivilege	2820	svchost.exe
Token: SeBackupPrivilege	2820	svchost.exe
Token: SeRestorePrivilege	2820	svchost.exe
Token: SeBackupPrivilege	2820	svchost.exe
Token: SeRestorePrivilege	2820	svchost.exe
Token: SeBackupPrivilege	2820	svchost.exe
Token: SeRestorePrivilege	2820	svchost.exe
Token: SeBackupPrivilege	2820	svchost.exe
Token: SeRestorePrivilege	2820	svchost.exe
Token: SeBackupPrivilege	2820	svchost.exe
Token: SeRestorePrivilege	2820	svchost.exe
Token: SeBackupPrivilege	2820	svchost.exe
Token: SeRestorePrivilege	2820	svchost.exe
Token: SeBackupPrivilege	2820	svchost.exe
Token: SeRestorePrivilege	2820	svchost.exe
Token: SeBackupPrivilege	2820	svchost.exe
Token: SeRestorePrivilege	2820	svchost.exe
Token: SeBackupPrivilege	2820	svchost.exe
Token: SeRestorePrivilege	2820	svchost.exe

Suspicious use of WriteProcessMemory 24 IoCs

description	pid	Process	procid_target
PID 2916 wrote to memory of 2372	2916	JaffaCakes118_3ec2c43450d11e3980205bed284a2326.exe	30
PID 2916 wrote to memory of 2372	2916	JaffaCakes118_3ec2c43450d11e3980205bed284a2326.exe	30
PID 2916 wrote to memory of 2372	2916	JaffaCakes118_3ec2c43450d11e3980205bed284a2326.exe	30
PID 2916 wrote to memory of 2372	2916	JaffaCakes118_3ec2c43450d11e3980205bed284a2326.exe	30
PID 2916 wrote to memory of 2372	2916	JaffaCakes118_3ec2c43450d11e3980205bed284a2326.exe	30
PID 2916 wrote to memory of 2372	2916	JaffaCakes118_3ec2c43450d11e3980205bed284a2326.exe	30
PID 2916 wrote to memory of 2372	2916	JaffaCakes118_3ec2c43450d11e3980205bed284a2326.exe	30
PID 2916 wrote to memory of 2372	2916	JaffaCakes118_3ec2c43450d11e3980205bed284a2326.exe	30
PID 2916 wrote to memory of 2372	2916	JaffaCakes118_3ec2c43450d11e3980205bed284a2326.exe	30
PID 2916 wrote to memory of 2372	2916	JaffaCakes118_3ec2c43450d11e3980205bed284a2326.exe	30
PID 2916 wrote to memory of 2820	2916	JaffaCakes118_3ec2c43450d11e3980205bed284a2326.exe	31
PID 2916 wrote to memory of 2820	2916	JaffaCakes118_3ec2c43450d11e3980205bed284a2326.exe	31
PID 2916 wrote to memory of 2820	2916	JaffaCakes118_3ec2c43450d11e3980205bed284a2326.exe	31
PID 2916 wrote to memory of 2820	2916	JaffaCakes118_3ec2c43450d11e3980205bed284a2326.exe	31
PID 2916 wrote to memory of 2820	2916	JaffaCakes118_3ec2c43450d11e3980205bed284a2326.exe	31
PID 2916 wrote to memory of 2820	2916	JaffaCakes118_3ec2c43450d11e3980205bed284a2326.exe	31
PID 2916 wrote to memory of 2820	2916	JaffaCakes118_3ec2c43450d11e3980205bed284a2326.exe	31
PID 2916 wrote to memory of 2820	2916	JaffaCakes118_3ec2c43450d11e3980205bed284a2326.exe	31
PID 2916 wrote to memory of 2820	2916	JaffaCakes118_3ec2c43450d11e3980205bed284a2326.exe	31
PID 2916 wrote to memory of 2820	2916	JaffaCakes118_3ec2c43450d11e3980205bed284a2326.exe	31
PID 2916 wrote to memory of 812	2916	JaffaCakes118_3ec2c43450d11e3980205bed284a2326.exe	32
PID 2916 wrote to memory of 812	2916	JaffaCakes118_3ec2c43450d11e3980205bed284a2326.exe	32
PID 2916 wrote to memory of 812	2916	JaffaCakes118_3ec2c43450d11e3980205bed284a2326.exe	32
PID 2916 wrote to memory of 812	2916	JaffaCakes118_3ec2c43450d11e3980205bed284a2326.exe	32

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3ec2c43450d11e3980205bed284a2326.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3ec2c43450d11e3980205bed284a2326.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2916
- C:\Windows\SysWOW64\svchost.exe
  C:\Windows\system32\svchost.exe
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:2372
- 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:2820
- C:\Users\Admin\AppData\Local\Temp\bulknwmxueepfcyq.exe
  "C:\Users\Admin\AppData\Local\Temp\bulknwmxueepfcyq.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:812

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\bjydbreb\jpqplunr.exe

Filesize
127KB

MD5
3ec2c43450d11e3980205bed284a2326

SHA1
8c6c24c0bc753bbddaec0c1f7671e5a622e2e85d

SHA256
f65ff59305a3749075f46b721c816a4db3ecd7893ddc3c1c50521b6a942ce208

SHA512
fd7b0a4872f11f7c2ef10973fec4a047ba2498948230012f7101bfe0f1a8b3f168d5a203a9a44a426299d7a1427c627be8bdaa4150377a9a5cbbf6660a25024f

Download Submit
memory/812-89-0x0000000000400000-0x000000000043B000-memory.dmp

Filesize
236KB

Download
memory/812-94-0x0000000000400000-0x000000000043B000-memory.dmp

Filesize
236KB

Download
memory/812-95-0x0000000000400000-0x000000000043A11C-memory.dmp

Filesize
232KB

Download
memory/812-90-0x0000000000400000-0x000000000043A11C-memory.dmp

Filesize
232KB

Download
memory/2372-9-0x0000000000050000-0x0000000000051000-memory.dmp

Filesize
4KB

Download
memory/2372-7-0x0000000020010000-0x000000002001C000-memory.dmp

Filesize
48KB

Download
memory/2372-21-0x0000000020010000-0x000000002001C000-memory.dmp

Filesize
48KB

Download
memory/2372-14-0x0000000000070000-0x0000000000071000-memory.dmp

Filesize
4KB

Download
memory/2372-15-0x0000000000050000-0x0000000000051000-memory.dmp

Filesize
4KB

Download
memory/2372-16-0x0000000020010000-0x000000002001C000-memory.dmp

Filesize
48KB

Download
memory/2372-20-0x0000000000060000-0x0000000000061000-memory.dmp

Filesize
4KB

Download
memory/2372-22-0x0000000020010000-0x000000002001C000-memory.dmp

Filesize
48KB

Download
memory/2372-23-0x0000000020010000-0x000000002001C000-memory.dmp

Filesize
48KB

Download
memory/2820-98-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2820-46-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2820-99-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2820-100-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2820-101-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2820-97-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2820-96-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2820-37-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2820-102-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2820-29-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2820-47-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2820-103-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2820-54-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2820-58-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2820-57-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2820-61-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2820-65-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2820-60-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2820-104-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2820-105-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2916-26-0x0000000077E80000-0x0000000077E81000-memory.dmp

Filesize
4KB

Download
memory/2916-82-0x0000000002910000-0x000000000294B000-memory.dmp

Filesize
236KB

Download
memory/2916-83-0x0000000002910000-0x000000000294B000-memory.dmp

Filesize
236KB

Download
memory/2916-69-0x0000000077E7F000-0x0000000077E80000-memory.dmp

Filesize
4KB

Download
memory/2916-87-0x0000000000400000-0x000000000043A11C-memory.dmp

Filesize
232KB

Download
memory/2916-86-0x0000000000400000-0x000000000043B000-memory.dmp

Filesize
236KB

Download
memory/2916-70-0x0000000002910000-0x000000000294B000-memory.dmp

Filesize
236KB

Download
memory/2916-56-0x0000000077E80000-0x0000000077E81000-memory.dmp

Filesize
4KB

Download
memory/2916-35-0x0000000000400000-0x000000000043B000-memory.dmp

Filesize
236KB

Download
memory/2916-36-0x0000000000400000-0x000000000043A11C-memory.dmp

Filesize
232KB

Download
memory/2916-27-0x0000000077E7F000-0x0000000077E80000-memory.dmp

Filesize
4KB

Download
memory/2916-28-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2916-0-0x0000000000400000-0x000000000043A11C-memory.dmp

Filesize
232KB

Download
memory/2916-2-0x0000000000400000-0x000000000043A11C-memory.dmp

Filesize
232KB

Download
memory/2916-13-0x0000000000400000-0x000000000043A11C-memory.dmp

Filesize
232KB

Download
memory/2916-4-0x0000000000250000-0x0000000000251000-memory.dmp

Filesize
4KB

Download
memory/2916-5-0x0000000000260000-0x0000000000261000-memory.dmp

Filesize
4KB

Download
memory/2916-1-0x0000000000400000-0x000000000043B000-memory.dmp

Filesize
236KB

Download