eab78c012b6fbec611682974f2aa909e289576025c34ff49b537d14dd62972dd

Analysis

max time kernel
148s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
21/08/2024, 12:20

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General

Target

b36e7bc1a8d75a1d5653f19ffbddcb6f_JaffaCakes118.dll
Size

472KB
MD5

b36e7bc1a8d75a1d5653f19ffbddcb6f
SHA1

8b100b7c687704d2e98ac1ac3f04e582e47a3e2b
SHA256

eab78c012b6fbec611682974f2aa909e289576025c34ff49b537d14dd62972dd
SHA512

c152406fb38810b0141cfe9a8864492617827c2613f5eac21c5ed5680915146863395e548689213f7469f6ce9f739dbe4f2852456b5832302bcb630c2050c995
SSDEEP

12288:rJ0Ox5RATSJ85aC0JSxkd2oOJ0OMaoCN6PSX/1mc4d1:rJlx5Oa1k24ooMqHmci

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

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\103	rundll32.exe
File created	C:\Windows\SysWOW64\6964299	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 use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2908 wrote to memory of 2928	2908	rundll32.exe	84
PID 2908 wrote to memory of 2928	2908	rundll32.exe	84
PID 2908 wrote to memory of 2928	2908	rundll32.exe	84

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\b36e7bc1a8d75a1d5653f19ffbddcb6f_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2908
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\b36e7bc1a8d75a1d5653f19ffbddcb6f_JaffaCakes118.dll,#1
  2⤵
  - Writes to the Master Boot Record (MBR)
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  PID:2928

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

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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