a502930163e38bd44bc2c4c6d7a991880abea4437587c58313fc2f2f6fcb43da

Analysis

max time kernel
118s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
09/02/2025, 14:09

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General

Target

JaffaCakes118_d025a29d3fcf1ac56ba898b98f907980.dll
Size

1.7MB
MD5

d025a29d3fcf1ac56ba898b98f907980
SHA1

f952e386b3959ee5a1d6480910ee2e93be29bb8a
SHA256

a502930163e38bd44bc2c4c6d7a991880abea4437587c58313fc2f2f6fcb43da
SHA512

1546be601d35fb37d11a3a301563037d64cac1dde696c2ef4cb972ccd618d73a17487a601bdfa965d89f7b5b9c49bf499d8d60e03e16e9ed5dc501cd553bdd68
SSDEEP

49152:+GyOzzWWn/QDApct8O74W7y1mF9V/7eSSu4yk:+Gymzf/QEp4WmFv7eSS4k

Score

7^/10

bootkit defense_evasion discovery persistence trojan

Malware Config

Signatures

Identifies Wine through registry keys 2 TTPs 1 IoCs

Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

defense_evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Wine	rundll32.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

defense_evasion trojan

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	rundll32.exe

Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

Bootkits write to the MBR to gain persistence at a level below the operating system.

bootkit persistence

Bootkit

T1542.003

description	ioc	Process
File opened for modification	\??\PhysicalDrive0	rundll32.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
2396	rundll32.exe

System Location Discovery: System Language Discovery 1 TTPs 1 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	rundll32.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2396	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2364 wrote to memory of 2396	2364	rundll32.exe	31
PID 2364 wrote to memory of 2396	2364	rundll32.exe	31
PID 2364 wrote to memory of 2396	2364	rundll32.exe	31
PID 2364 wrote to memory of 2396	2364	rundll32.exe	31
PID 2364 wrote to memory of 2396	2364	rundll32.exe	31
PID 2364 wrote to memory of 2396	2364	rundll32.exe	31
PID 2364 wrote to memory of 2396	2364	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_d025a29d3fcf1ac56ba898b98f907980.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2364
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_d025a29d3fcf1ac56ba898b98f907980.dll,#1
  2⤵
  - Identifies Wine through registry keys
  - Checks whether UAC is enabled
  - Writes to the Master Boot Record (MBR)
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  PID:2396

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Pre-OS Boot

T1542

Bootkit

T1542.003

Privilege Escalation

Defense Evasion

Pre-OS Boot

T1542

Bootkit

T1542.003

Virtualization/Sandbox Evasion

T1497

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Virtualization/Sandbox Evasion

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/2396-0-0x0000000002240000-0x00000000025BE000-memory.dmp

Filesize
3.5MB

Download
memory/2396-1-0x0000000002240000-0x00000000025BE000-memory.dmp

Filesize
3.5MB

Download
memory/2396-2-0x0000000002240000-0x00000000025BE000-memory.dmp

Filesize
3.5MB

Download