3ca8374355edcd8b3311e9b7306a92ae5d882f7a7e814323e335dc5cb15ff84c

General

Target

691817c94b4cccc2002e998047a70456_JaffaCakes118.exe
Size

483KB
MD5

691817c94b4cccc2002e998047a70456
SHA1

b6b1d00b3ee4d1a1db49780260cfa471adbf27fe
SHA256

3ca8374355edcd8b3311e9b7306a92ae5d882f7a7e814323e335dc5cb15ff84c
SHA512

a2622283a951230ff08ff4136b97a0fab04205da57a7bccf76bc6512407bd055d4a70c7bcbe25e76a23286db0db790a81ac3a7e1d1bbaa2eca85b838462bbbb4
SSDEEP

12288:mwQ4HwM+Wrt26nMzC8iQVzYKj86scbbVWV:HQ4Hh+Wrt26MzJiQpYODbbVE

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	691817c94b4cccc2002e998047a70456_JaffaCakes118.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 1628 set thread context of 1912	1628	691817c94b4cccc2002e998047a70456_JaffaCakes118.exe	30
PID 1628 set thread context of 0	1628	691817c94b4cccc2002e998047a70456_JaffaCakes118.exe

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	691817c94b4cccc2002e998047a70456_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	691817c94b4cccc2002e998047a70456_JaffaCakes118.exe

Modifies registry class 3 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.key	691817c94b4cccc2002e998047a70456_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.key\	691817c94b4cccc2002e998047a70456_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.key\ = "regfile"	691817c94b4cccc2002e998047a70456_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1912	691817c94b4cccc2002e998047a70456_JaffaCakes118.exe
1912	691817c94b4cccc2002e998047a70456_JaffaCakes118.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1628	691817c94b4cccc2002e998047a70456_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 1628 wrote to memory of 1912	1628	691817c94b4cccc2002e998047a70456_JaffaCakes118.exe	30
PID 1628 wrote to memory of 1912	1628	691817c94b4cccc2002e998047a70456_JaffaCakes118.exe	30
PID 1628 wrote to memory of 1912	1628	691817c94b4cccc2002e998047a70456_JaffaCakes118.exe	30
PID 1628 wrote to memory of 1912	1628	691817c94b4cccc2002e998047a70456_JaffaCakes118.exe	30
PID 1628 wrote to memory of 1912	1628	691817c94b4cccc2002e998047a70456_JaffaCakes118.exe	30
PID 1628 wrote to memory of 1912	1628	691817c94b4cccc2002e998047a70456_JaffaCakes118.exe	30
PID 1628 wrote to memory of 1912	1628	691817c94b4cccc2002e998047a70456_JaffaCakes118.exe	30
PID 1628 wrote to memory of 1912	1628	691817c94b4cccc2002e998047a70456_JaffaCakes118.exe	30
PID 1628 wrote to memory of 0	1628	691817c94b4cccc2002e998047a70456_JaffaCakes118.exe
PID 1628 wrote to memory of 0	1628	691817c94b4cccc2002e998047a70456_JaffaCakes118.exe
PID 1628 wrote to memory of 0	1628	691817c94b4cccc2002e998047a70456_JaffaCakes118.exe
PID 1628 wrote to memory of 0	1628	691817c94b4cccc2002e998047a70456_JaffaCakes118.exe
PID 1912 wrote to memory of 1340	1912	691817c94b4cccc2002e998047a70456_JaffaCakes118.exe	21
PID 1912 wrote to memory of 1340	1912	691817c94b4cccc2002e998047a70456_JaffaCakes118.exe	21
PID 1912 wrote to memory of 1340	1912	691817c94b4cccc2002e998047a70456_JaffaCakes118.exe	21
PID 1912 wrote to memory of 1340	1912	691817c94b4cccc2002e998047a70456_JaffaCakes118.exe	21

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1340
- C:\Users\Admin\AppData\Local\Temp\691817c94b4cccc2002e998047a70456_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\691817c94b4cccc2002e998047a70456_JaffaCakes118.exe"
  2⤵
  - Writes to the Master Boot Record (MBR)
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1628
- - C:\Users\Admin\AppData\Local\Temp\691817c94b4cccc2002e998047a70456_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\691817c94b4cccc2002e998047a70456_JaffaCakes118.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of WriteProcessMemory
    PID:1912

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

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/1340-22-0x000000007FFF0000-0x000000007FFF7000-memory.dmp

Filesize
28KB

Download
memory/1628-10-0x0000000000910000-0x0000000000911000-memory.dmp

Filesize
4KB

Download
memory/1628-8-0x0000000000400000-0x000000000051A000-memory.dmp

Filesize
1.1MB

Download
memory/1628-5-0x0000000000930000-0x0000000000931000-memory.dmp

Filesize
4KB

Download
memory/1628-4-0x0000000000930000-0x0000000000931000-memory.dmp

Filesize
4KB

Download
memory/1628-3-0x0000000000930000-0x0000000000931000-memory.dmp

Filesize
4KB

Download
memory/1628-2-0x0000000000930000-0x0000000000931000-memory.dmp

Filesize
4KB

Download
memory/1628-1-0x0000000000920000-0x0000000000921000-memory.dmp

Filesize
4KB

Download
memory/1628-0-0x0000000000400000-0x000000000051A000-memory.dmp

Filesize
1.1MB

Download
memory/1628-6-0x0000000000930000-0x0000000000931000-memory.dmp

Filesize
4KB

Download
memory/1628-13-0x0000000000401000-0x0000000000479000-memory.dmp

Filesize
480KB

Download
memory/1628-9-0x00000000003D0000-0x00000000003D1000-memory.dmp

Filesize
4KB

Download
memory/1628-7-0x0000000000930000-0x0000000000931000-memory.dmp

Filesize
4KB

Download
memory/1628-14-0x0000000002B20000-0x0000000002C3A000-memory.dmp

Filesize
1.1MB

Download
memory/1628-19-0x0000000000400000-0x000000000051A000-memory.dmp

Filesize
1.1MB

Download
memory/1912-18-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/1912-20-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/1912-15-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads