37d0416566ff5d55dd7b4f7bfcefae6ba014fb7552985761bb4ab30bb4efb169

Analysis

max time kernel
148s
max time network
98s
platform
windows10-2004_x64
resource
win10v2004-20240704-en
resource tags

arch:x64arch:x86image:win10v2004-20240704-enlocale:en-usos:windows10-2004-x64system
submitted
06/07/2024, 16:03

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General

Target

28c0c1be9061274f5cfc7493548157d3_JaffaCakes118.dll
Size

181KB
MD5

28c0c1be9061274f5cfc7493548157d3
SHA1

a3cdb4a25098585f153f6529d3ec24d05639946e
SHA256

37d0416566ff5d55dd7b4f7bfcefae6ba014fb7552985761bb4ab30bb4efb169
SHA512

483d7eddc2f25c7ef2a98adf2623276135c121437ffd2ef5d606f62dc9783342fe589ef71cdc348b751ff449cfae76067d534747bda1d3a0801cd18529fbd6b7
SSDEEP

3072:sBgrCOx5iHPi7OS9ipeVsysrYHhkOgsa4ENk7whjgQLA97M3rsBp8DDYWb:sBgrjXO67NipKKrYB7INNk7sjgQLA9uP

Score

6^/10

bootkit 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\541755-76	rundll32.exe
File created	C:\Windows\SysWOW64\14d	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 672 wrote to memory of 1860	672	rundll32.exe	82
PID 672 wrote to memory of 1860	672	rundll32.exe	82
PID 672 wrote to memory of 1860	672	rundll32.exe	82

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\28c0c1be9061274f5cfc7493548157d3_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:672
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\28c0c1be9061274f5cfc7493548157d3_JaffaCakes118.dll,#1
  2⤵
  - Writes to the Master Boot Record (MBR)
  - Drops file in System32 directory
  PID:1860

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1860-0-0x0000000010000000-0x00000000100B2000-memory.dmp

Filesize
712KB

Download
memory/1860-1-0x0000000000680000-0x0000000000682000-memory.dmp

Filesize
8KB

Download
memory/1860-4-0x0000000010000000-0x00000000100B2000-memory.dmp

Filesize
712KB

Download
memory/1860-5-0x0000000010000000-0x00000000100B2000-memory.dmp

Filesize
712KB

Download
memory/1860-6-0x0000000000680000-0x0000000000682000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads