426f713ff23d28bd8aa7bc2b3580841cff729fe40488782632412a23d95a2698

Analysis

max time kernel
148s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
15/07/2024, 20:11

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General

Target

4b371249c56cb10050a2759e82db6ace_JaffaCakes118.dll
Size

476KB
MD5

4b371249c56cb10050a2759e82db6ace
SHA1

8a60871e3ed0acdfdc90ec64481c92a68fea483a
SHA256

426f713ff23d28bd8aa7bc2b3580841cff729fe40488782632412a23d95a2698
SHA512

887e1b92ecbfcfde676bea1873241d20dff7ac198be7526937d9a4bbee6f4684dfde1ec6ab6250211463eb2a8aa5f15a566d00afce65470413c796b01d13a52b
SSDEEP

12288:RSJOZpq/K5w60ECocqmvyTVB4sSvEzfoVHKq2VS4PqL:RSsZKM7Cnr6TsBczy4s

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\8831-9321	rundll32.exe
File created	C:\Windows\SysWOW64\143	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 116 wrote to memory of 3104	116	rundll32.exe	83
PID 116 wrote to memory of 3104	116	rundll32.exe	83
PID 116 wrote to memory of 3104	116	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\4b371249c56cb10050a2759e82db6ace_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:116
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\4b371249c56cb10050a2759e82db6ace_JaffaCakes118.dll,#1
  2⤵
  - Writes to the Master Boot Record (MBR)
  - Drops file in System32 directory
  PID:3104

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

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Downloads