b11fdd1bb945e4ffe9da7103907bb09ac3949c3e7e440438b21d3d548bbd1f20

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
08/09/2024, 10:45

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General

Target

d42d74365cd8bf0985d43d0d0ccc7b79_JaffaCakes118.dll
Size

472KB
MD5

d42d74365cd8bf0985d43d0d0ccc7b79
SHA1

74ed4ce145aacad40a9b610c1f0901de7b24b781
SHA256

b11fdd1bb945e4ffe9da7103907bb09ac3949c3e7e440438b21d3d548bbd1f20
SHA512

1eee6359d946bf5d2879dba9e8c50c6b19b59b7563928a09a4aff6be09ebbd151895c0c5b5dd27d8dd3efcb875ecb401fb4a15f4141763b72500b91112d917e7
SSDEEP

12288:UDlqu+4r5zSHxvKhszwDZV5AsTSqT1YRF0q2TdE+h1h0DQ7rqvrK:UBE4r5dsED75XlYj0q2TdE+h1h0DQ7r8

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\88116-1618	rundll32.exe
File created	C:\Windows\SysWOW64\2a776	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 1480 wrote to memory of 4632	1480	rundll32.exe	83
PID 1480 wrote to memory of 4632	1480	rundll32.exe	83
PID 1480 wrote to memory of 4632	1480	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\d42d74365cd8bf0985d43d0d0ccc7b79_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1480
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\d42d74365cd8bf0985d43d0d0ccc7b79_JaffaCakes118.dll,#1
  2⤵
  - Writes to the Master Boot Record (MBR)
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  PID:4632

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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