8b717f2e959e42f0fc48ecd580df5fec264bd7d42c233d1b973943c3b304fc73

Analysis

max time kernel
149s
max time network
144s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
10/08/2024, 09:19

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General

Target

858f1d467118ab399b1157ca98be9cdc_JaffaCakes118.dll
Size

480KB
MD5

858f1d467118ab399b1157ca98be9cdc
SHA1

734e884efa222dd4d0b1d73c0fbdd78c5badcc10
SHA256

8b717f2e959e42f0fc48ecd580df5fec264bd7d42c233d1b973943c3b304fc73
SHA512

9c8508f46c50971d60136c788bc69870467445391b3ef53d8cffb78f3dda3a228f493a2b94aa67f80fd5bfc3e03b1a8e3d82fcf24fa65c70fdf822652b01fd7f
SSDEEP

12288:fJ0WxRB9mn1M5noURdBkdHgmW0nhfQCl6/auHrgAq3NO:fJ9xR+qPvmBg6hLak94

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\-111966-100	rundll32.exe
File created	C:\Windows\SysWOW64\0b0	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 1408 wrote to memory of 4104	1408	rundll32.exe	84
PID 1408 wrote to memory of 4104	1408	rundll32.exe	84
PID 1408 wrote to memory of 4104	1408	rundll32.exe	84

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\858f1d467118ab399b1157ca98be9cdc_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1408
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\858f1d467118ab399b1157ca98be9cdc_JaffaCakes118.dll,#1
  2⤵
  - Writes to the Master Boot Record (MBR)
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  PID:4104

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

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