e10adff0f35eb340809499b82cb4f6ba628ab138b4dcd18924b003c94dd1bfc1

General

Target
4fa8216f9c36ebef80a8909675ae73cc_JaffaCakes118.exe
Size 184KB
Sample241016-3pmhdatarm
SHA256 e10adff0f35eb340809499b82cb4f6ba628ab138b4dcd18924b003c94dd1bfc1
MD5 4fa8216f9c36ebef80a8909675ae73cc
SHA1 06da9e91899e873bdea2f7867a06732d055b199d
SHA512 638ad72f1067dbad83435c9a57cc5cc9c8f197bc53fc69d8ae40837c56459e745d93807aa972b8b9af68b80273f6fca0934f0651cb785e96364f3ff2a8544a80
SSDEEP 3072:6F1u1rPFZyuyvWJzdMDy5wuOqRr96Qsrii5Jl373Sot/kRxjt5tsQ:xpo7IG+5wKKQsrii5JlL3Sot/GtDn
MD5 SHA1 SHA512 SSDEEP

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	4fa8216f9c36ebef80a8909675ae73cc_JaffaCakes118.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 2364 set thread context of 4612	2364	4fa8216f9c36ebef80a8909675ae73cc_JaffaCakes118.exe	87
PID 4612 set thread context of 240	4612	4fa8216f9c36ebef80a8909675ae73cc_JaffaCakes118.exe	89

System Location Discovery: System Language Discovery 1 TTPs 2 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	4fa8216f9c36ebef80a8909675ae73cc_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	4fa8216f9c36ebef80a8909675ae73cc_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
240	4fa8216f9c36ebef80a8909675ae73cc_JaffaCakes118.exe
240	4fa8216f9c36ebef80a8909675ae73cc_JaffaCakes118.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2364	4fa8216f9c36ebef80a8909675ae73cc_JaffaCakes118.exe
4612	4fa8216f9c36ebef80a8909675ae73cc_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 2364 wrote to memory of 4612	2364	4fa8216f9c36ebef80a8909675ae73cc_JaffaCakes118.exe	87
PID 2364 wrote to memory of 4612	2364	4fa8216f9c36ebef80a8909675ae73cc_JaffaCakes118.exe	87
PID 2364 wrote to memory of 4612	2364	4fa8216f9c36ebef80a8909675ae73cc_JaffaCakes118.exe	87
PID 2364 wrote to memory of 4612	2364	4fa8216f9c36ebef80a8909675ae73cc_JaffaCakes118.exe	87
PID 2364 wrote to memory of 4612	2364	4fa8216f9c36ebef80a8909675ae73cc_JaffaCakes118.exe	87
PID 2364 wrote to memory of 4612	2364	4fa8216f9c36ebef80a8909675ae73cc_JaffaCakes118.exe	87
PID 2364 wrote to memory of 4612	2364	4fa8216f9c36ebef80a8909675ae73cc_JaffaCakes118.exe	87
PID 2364 wrote to memory of 4612	2364	4fa8216f9c36ebef80a8909675ae73cc_JaffaCakes118.exe	87
PID 4612 wrote to memory of 240	4612	4fa8216f9c36ebef80a8909675ae73cc_JaffaCakes118.exe	89
PID 4612 wrote to memory of 240	4612	4fa8216f9c36ebef80a8909675ae73cc_JaffaCakes118.exe	89
PID 4612 wrote to memory of 240	4612	4fa8216f9c36ebef80a8909675ae73cc_JaffaCakes118.exe	89
PID 4612 wrote to memory of 240	4612	4fa8216f9c36ebef80a8909675ae73cc_JaffaCakes118.exe	89
PID 4612 wrote to memory of 240	4612	4fa8216f9c36ebef80a8909675ae73cc_JaffaCakes118.exe	89
PID 4612 wrote to memory of 240	4612	4fa8216f9c36ebef80a8909675ae73cc_JaffaCakes118.exe	89
PID 4612 wrote to memory of 240	4612	4fa8216f9c36ebef80a8909675ae73cc_JaffaCakes118.exe	89
PID 4612 wrote to memory of 240	4612	4fa8216f9c36ebef80a8909675ae73cc_JaffaCakes118.exe	89
PID 240 wrote to memory of 3584	240	4fa8216f9c36ebef80a8909675ae73cc_JaffaCakes118.exe	56
PID 240 wrote to memory of 3584	240	4fa8216f9c36ebef80a8909675ae73cc_JaffaCakes118.exe	56
PID 240 wrote to memory of 3584	240	4fa8216f9c36ebef80a8909675ae73cc_JaffaCakes118.exe	56
PID 240 wrote to memory of 3584	240	4fa8216f9c36ebef80a8909675ae73cc_JaffaCakes118.exe	56
PID 240 wrote to memory of 3584	240	4fa8216f9c36ebef80a8909675ae73cc_JaffaCakes118.exe	56

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3584
- C:\Users\Admin\AppData\Local\Temp\4fa8216f9c36ebef80a8909675ae73cc_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\4fa8216f9c36ebef80a8909675ae73cc_JaffaCakes118.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2364
- - C:\Users\Admin\AppData\Local\Temp\4fa8216f9c36ebef80a8909675ae73cc_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\4fa8216f9c36ebef80a8909675ae73cc_JaffaCakes118.exe"
    3⤵
    - Writes to the Master Boot Record (MBR)
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:4612
  - - C:\Users\Admin\AppData\Local\Temp\4fa8216f9c36ebef80a8909675ae73cc_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\4fa8216f9c36ebef80a8909675ae73cc_JaffaCakes118.exe"
      4⤵
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of WriteProcessMemory
      PID:240