5a6f04034635dfee4b21d727ec8b310898f2da63db9812b76fa85d411e96007c

Analysis

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

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
28/03/2025, 05:29

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General

Target

JaffaCakes118_8a5bc824e86c84e47109b8a133624a8f.dll
Size

72KB
MD5

8a5bc824e86c84e47109b8a133624a8f
SHA1

66958aa21e8fa780184c28a1613ddae4f12a5f1f
SHA256

5a6f04034635dfee4b21d727ec8b310898f2da63db9812b76fa85d411e96007c
SHA512

3e2c3c0d17a46b7f85c06654682afe5f91fc77abd11fd5066e7b0d930ca8d28d02272fb2e774b64a717ed5fe3ce450df56024dbd9c236f57cf70df2acb5ea30f
SSDEEP

1536:f11jqSNCXmudsi9nN/vEYZfsm9XyxZrFU:f1lq5X7dvnN/8K6FU

Score

6^/10

bootkit discovery persistence

Malware Config

Signatures

Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

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

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
2532	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2516 wrote to memory of 2532	2516	rundll32.exe	31
PID 2516 wrote to memory of 2532	2516	rundll32.exe	31
PID 2516 wrote to memory of 2532	2516	rundll32.exe	31
PID 2516 wrote to memory of 2532	2516	rundll32.exe	31
PID 2516 wrote to memory of 2532	2516	rundll32.exe	31
PID 2516 wrote to memory of 2532	2516	rundll32.exe	31
PID 2516 wrote to memory of 2532	2516	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8a5bc824e86c84e47109b8a133624a8f.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2516
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8a5bc824e86c84e47109b8a133624a8f.dll,#1
  2⤵
  - Writes to the Master Boot Record (MBR)
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  PID:2532

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

Credential Access

Discovery

Query Registry

T1012

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2532-0-0x00000000001A0000-0x00000000001A9000-memory.dmp

Filesize
36KB

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memory/2532-3-0x00000000001A0000-0x00000000001A9000-memory.dmp

Filesize
36KB

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