b91e984cf58e4778c708a01e965f84124efa167bb4bb55b9e295d36462eda1fc

Analysis

max time kernel
122s
max time network
123s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
04-10-2024 05:43

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General

Target

12124bff4cf77277c1d53b580a4b2972_JaffaCakes118.dll
Size

135KB
MD5

12124bff4cf77277c1d53b580a4b2972
SHA1

34a18d34bf25c2211588cf8c75d39bb89e588d72
SHA256

b91e984cf58e4778c708a01e965f84124efa167bb4bb55b9e295d36462eda1fc
SHA512

a312b3013b25c9cfbd8d2b490afe8c3e59d4b13a41426353cabdc27957d5bd826eaf97d1f47281a77eee96ab237b698f7948549737489d9567bf73d0c0f83864
SSDEEP

3072:mt8UaFPmgRMNlPTGQQm6ytwZEsrYkK4CB:mt898gWNlPTGQQm6agrdS

Score

6^/10

bootkit discovery persistence

Malware Config

Signatures

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

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2768	3044	WerFault.exe	30

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 use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2644 wrote to memory of 3044	2644	rundll32.exe	30
PID 2644 wrote to memory of 3044	2644	rundll32.exe	30
PID 2644 wrote to memory of 3044	2644	rundll32.exe	30
PID 2644 wrote to memory of 3044	2644	rundll32.exe	30
PID 2644 wrote to memory of 3044	2644	rundll32.exe	30
PID 2644 wrote to memory of 3044	2644	rundll32.exe	30
PID 2644 wrote to memory of 3044	2644	rundll32.exe	30
PID 3044 wrote to memory of 2768	3044	rundll32.exe	31
PID 3044 wrote to memory of 2768	3044	rundll32.exe	31
PID 3044 wrote to memory of 2768	3044	rundll32.exe	31
PID 3044 wrote to memory of 2768	3044	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\12124bff4cf77277c1d53b580a4b2972_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2644
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\12124bff4cf77277c1d53b580a4b2972_JaffaCakes118.dll,#1
  2⤵
  - Writes to the Master Boot Record (MBR)
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3044
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3044 -s 256
    3⤵
    - Program crash
    PID:2768

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

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/3044-2-0x0000000000120000-0x0000000000145000-memory.dmp

Filesize
148KB

Download
memory/3044-1-0x0000000000120000-0x0000000000145000-memory.dmp

Filesize
148KB

Download
memory/3044-0-0x0000000000120000-0x0000000000145000-memory.dmp

Filesize
148KB

Download
memory/3044-4-0x0000000000133000-0x0000000000134000-memory.dmp

Filesize
4KB

Download
memory/3044-3-0x0000000000130000-0x0000000000155000-memory.dmp

Filesize
148KB

Download
memory/3044-5-0x0000000000130000-0x0000000000155000-memory.dmp

Filesize
148KB

Download
memory/3044-6-0x0000000000130000-0x0000000000155000-memory.dmp

Filesize
148KB

Download
memory/3044-7-0x0000000000130000-0x0000000000155000-memory.dmp

Filesize
148KB

Download
memory/3044-8-0x0000000000120000-0x0000000000145000-memory.dmp

Filesize
148KB

Download
memory/3044-9-0x0000000000130000-0x0000000000155000-memory.dmp

Filesize
148KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads