fc5592cfc085e2a9038dd9dc59136d23b9992d94b296bda21bb2f0a65ac8079c

General

Target

439982d3d9be0c5c52b04ff27b4aeaca_JaffaCakes118.exe
Size

589KB
MD5

439982d3d9be0c5c52b04ff27b4aeaca
SHA1

621d42c4696dacbbd03b632f809dab4752ef4486
SHA256

fc5592cfc085e2a9038dd9dc59136d23b9992d94b296bda21bb2f0a65ac8079c
SHA512

e550c4c8ebd1630438e537365d38e912ecec805725cf0a22fb263c004a9588c8ba9b5a33f2d41c051bcfd4c6043a71e6dcdfe1566b6ee395aef77de161b0014e
SSDEEP

12288:8Yn6nor/xrIkPdq/r5DUKWpslqxBTk+OMn4Wqn60Oht23Lsx4aVzYKj86se6w:agJr9PIDOsl4Bg+OM4viiLsvpYO6w

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	439982d3d9be0c5c52b04ff27b4aeaca_JaffaCakes118.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 2548 set thread context of 2404	2548	439982d3d9be0c5c52b04ff27b4aeaca_JaffaCakes118.exe	30
PID 2548 set thread context of 0	2548	439982d3d9be0c5c52b04ff27b4aeaca_JaffaCakes118.exe

Modifies registry class 3 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.key	439982d3d9be0c5c52b04ff27b4aeaca_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.key\	439982d3d9be0c5c52b04ff27b4aeaca_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.key\ = "regfile"	439982d3d9be0c5c52b04ff27b4aeaca_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2404	439982d3d9be0c5c52b04ff27b4aeaca_JaffaCakes118.exe
2404	439982d3d9be0c5c52b04ff27b4aeaca_JaffaCakes118.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2548	439982d3d9be0c5c52b04ff27b4aeaca_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 2548 wrote to memory of 2404	2548	439982d3d9be0c5c52b04ff27b4aeaca_JaffaCakes118.exe	30
PID 2548 wrote to memory of 2404	2548	439982d3d9be0c5c52b04ff27b4aeaca_JaffaCakes118.exe	30
PID 2548 wrote to memory of 2404	2548	439982d3d9be0c5c52b04ff27b4aeaca_JaffaCakes118.exe	30
PID 2548 wrote to memory of 2404	2548	439982d3d9be0c5c52b04ff27b4aeaca_JaffaCakes118.exe	30
PID 2548 wrote to memory of 2404	2548	439982d3d9be0c5c52b04ff27b4aeaca_JaffaCakes118.exe	30
PID 2548 wrote to memory of 2404	2548	439982d3d9be0c5c52b04ff27b4aeaca_JaffaCakes118.exe	30
PID 2548 wrote to memory of 2404	2548	439982d3d9be0c5c52b04ff27b4aeaca_JaffaCakes118.exe	30
PID 2548 wrote to memory of 2404	2548	439982d3d9be0c5c52b04ff27b4aeaca_JaffaCakes118.exe	30
PID 2548 wrote to memory of 0	2548	439982d3d9be0c5c52b04ff27b4aeaca_JaffaCakes118.exe
PID 2548 wrote to memory of 0	2548	439982d3d9be0c5c52b04ff27b4aeaca_JaffaCakes118.exe
PID 2548 wrote to memory of 0	2548	439982d3d9be0c5c52b04ff27b4aeaca_JaffaCakes118.exe
PID 2548 wrote to memory of 0	2548	439982d3d9be0c5c52b04ff27b4aeaca_JaffaCakes118.exe
PID 2404 wrote to memory of 1200	2404	439982d3d9be0c5c52b04ff27b4aeaca_JaffaCakes118.exe	21
PID 2404 wrote to memory of 1200	2404	439982d3d9be0c5c52b04ff27b4aeaca_JaffaCakes118.exe	21
PID 2404 wrote to memory of 1200	2404	439982d3d9be0c5c52b04ff27b4aeaca_JaffaCakes118.exe	21
PID 2404 wrote to memory of 1200	2404	439982d3d9be0c5c52b04ff27b4aeaca_JaffaCakes118.exe	21

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1200
- C:\Users\Admin\AppData\Local\Temp\439982d3d9be0c5c52b04ff27b4aeaca_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\439982d3d9be0c5c52b04ff27b4aeaca_JaffaCakes118.exe"
  2⤵
  - Writes to the Master Boot Record (MBR)
  - Suspicious use of SetThreadContext
  - Modifies registry class
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2548
- - C:\Users\Admin\AppData\Local\Temp\439982d3d9be0c5c52b04ff27b4aeaca_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\439982d3d9be0c5c52b04ff27b4aeaca_JaffaCakes118.exe"
    3⤵
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of WriteProcessMemory
    PID:2404

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Pre-OS Boot

1

T1542

Bootkit

1

T1542.003

Privilege Escalation

Defense Evasion

Pre-OS Boot

1

T1542

Bootkit

1

T1542.003

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1200-33-0x000000007FFF0000-0x000000007FFF7000-memory.dmp

Filesize
28KB

Download
memory/2404-26-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2404-32-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2404-31-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2548-3-0x0000000000940000-0x0000000000941000-memory.dmp

Filesize
4KB

Download
memory/2548-13-0x0000000000940000-0x0000000000941000-memory.dmp

Filesize
4KB

Download
memory/2548-11-0x0000000000940000-0x0000000000941000-memory.dmp

Filesize
4KB

Download
memory/2548-10-0x0000000000940000-0x0000000000941000-memory.dmp

Filesize
4KB

Download
memory/2548-9-0x0000000000940000-0x0000000000941000-memory.dmp

Filesize
4KB

Download
memory/2548-8-0x0000000000940000-0x0000000000941000-memory.dmp

Filesize
4KB

Download
memory/2548-7-0x0000000000940000-0x0000000000941000-memory.dmp

Filesize
4KB

Download
memory/2548-6-0x0000000000940000-0x0000000000941000-memory.dmp

Filesize
4KB

Download
memory/2548-5-0x0000000000940000-0x0000000000941000-memory.dmp

Filesize
4KB

Download
memory/2548-4-0x0000000000940000-0x0000000000941000-memory.dmp

Filesize
4KB

Download
memory/2548-0-0x0000000000400000-0x00000000004FB000-memory.dmp

Filesize
1004KB

Download
memory/2548-2-0x0000000000940000-0x0000000000941000-memory.dmp

Filesize
4KB

Download
memory/2548-1-0x0000000000930000-0x0000000000931000-memory.dmp

Filesize
4KB

Download
memory/2548-12-0x0000000000940000-0x0000000000941000-memory.dmp

Filesize
4KB

Download
memory/2548-25-0x0000000000401000-0x0000000000456000-memory.dmp

Filesize
340KB

Download
memory/2548-24-0x0000000000690000-0x0000000000691000-memory.dmp

Filesize
4KB

Download
memory/2548-23-0x0000000000240000-0x0000000000241000-memory.dmp

Filesize
4KB

Download
memory/2548-22-0x0000000000930000-0x0000000000931000-memory.dmp

Filesize
4KB

Download
memory/2548-21-0x0000000000930000-0x0000000000931000-memory.dmp

Filesize
4KB

Download
memory/2548-14-0x0000000000940000-0x0000000000941000-memory.dmp

Filesize
4KB

Download
memory/2548-29-0x0000000000400000-0x00000000004FB000-memory.dmp

Filesize
1004KB

Download
memory/2548-20-0x0000000000930000-0x0000000000931000-memory.dmp

Filesize
4KB

Download
memory/2548-19-0x0000000000930000-0x0000000000931000-memory.dmp

Filesize
4KB

Download
memory/2548-15-0x0000000000940000-0x0000000000941000-memory.dmp

Filesize
4KB

Download
memory/2548-16-0x0000000000400000-0x00000000004FB000-memory.dmp

Filesize
1004KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads