3daf7da72270c6bd6328712314982e50d74f8fe0e4ead98c1789a83899e86891

Analysis

max time kernel
148s
max time network
124s
platform
windows7_x64
resource
win7-20240705-en
resource tags

arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
submitted
21/07/2024, 22:57

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General

Target

61bfc1ab67a4af810d1a3d34c3d95017_JaffaCakes118.dll
Size

380KB
MD5

61bfc1ab67a4af810d1a3d34c3d95017
SHA1

dbbcd4b1b327f7ae90536bc7622e02ec1e0ea6cd
SHA256

3daf7da72270c6bd6328712314982e50d74f8fe0e4ead98c1789a83899e86891
SHA512

44ffbbebcc412235855503f18b0013801556a470e95f95202ee31204c13ffbb4ed8d19affa89867aaef1eb4b521fd94ae37013e3541d079148468ab936b13f65
SSDEEP

6144:RSJOZphKt/jm5w60EC3w1WVqmv+dTVv5jELKumg1lvjSrzfjxW+:RSJOZpq/K5w60ECocqmvyTVB4sSvEzff

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\38deaa	rundll32.exe
File created	C:\Windows\SysWOW64\-106-97429	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2372 wrote to memory of 2012	2372	rundll32.exe	31
PID 2372 wrote to memory of 2012	2372	rundll32.exe	31
PID 2372 wrote to memory of 2012	2372	rundll32.exe	31
PID 2372 wrote to memory of 2012	2372	rundll32.exe	31
PID 2372 wrote to memory of 2012	2372	rundll32.exe	31
PID 2372 wrote to memory of 2012	2372	rundll32.exe	31
PID 2372 wrote to memory of 2012	2372	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\61bfc1ab67a4af810d1a3d34c3d95017_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2372
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\61bfc1ab67a4af810d1a3d34c3d95017_JaffaCakes118.dll,#1
  2⤵
  - Writes to the Master Boot Record (MBR)
  - Drops file in System32 directory
  PID:2012

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

Windows 7 deprecation

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads