bc83bf7b8724fe2a80fbd8a1783c32a24a31e9338dc5aa742515095d7e91e8d3

Analysis

max time kernel
120s
max time network
121s
platform
windows7_x64
resource
win7-20240220-en
resource tags

arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
submitted
02-07-2024 09:14

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General

Target

1ec3c2a646bb021924bbd2fe3a9b350f_JaffaCakes118.dll
Size

72KB
MD5

1ec3c2a646bb021924bbd2fe3a9b350f
SHA1

0a8e6d040e01ac7d3bd461157c87546abcfea8a4
SHA256

bc83bf7b8724fe2a80fbd8a1783c32a24a31e9338dc5aa742515095d7e91e8d3
SHA512

016ccc38b80abf227262e56431c170840be76e46a3dff44c055ec818b373f6e1f5fbea19bc65aa78c002be6882a578f621a361cc5afa4343d6e30a7031f85fed
SSDEEP

1536:nvM1odYeEAcjPDUO66uOms/dMnVr458i:vQodY8cjPDUwx/dMVr45d

Score

6^/10

bootkit discovery persistence

Malware Config

Signatures

Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012
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

Processes:

rundll32.exe

description ioc process

File opened for modification \??\PhysicalDrive0 rundll32.exe
Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

rundll32.exe

pid process

2320 rundll32.exe

description	ioc	process
File opened for modification	\??\PhysicalDrive0	rundll32.exe

pid	process
2320	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 2912 wrote to memory of 2320	2912	rundll32.exe	rundll32.exe
PID 2912 wrote to memory of 2320	2912	rundll32.exe	rundll32.exe
PID 2912 wrote to memory of 2320	2912	rundll32.exe	rundll32.exe
PID 2912 wrote to memory of 2320	2912	rundll32.exe	rundll32.exe
PID 2912 wrote to memory of 2320	2912	rundll32.exe	rundll32.exe
PID 2912 wrote to memory of 2320	2912	rundll32.exe	rundll32.exe
PID 2912 wrote to memory of 2320	2912	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\1ec3c2a646bb021924bbd2fe3a9b350f_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2912
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\1ec3c2a646bb021924bbd2fe3a9b350f_JaffaCakes118.dll,#1
  2⤵
  - Writes to the Master Boot Record (MBR)
  - Suspicious behavior: EnumeratesProcesses
  PID:2320

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

Query Registry

T1012

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2320-0-0x00000000000E0000-0x00000000000EA000-memory.dmp

Filesize
40KB

Download
memory/2320-1-0x0000000010000000-0x0000000010009000-memory.dmp

Filesize
36KB

Download
memory/2320-5-0x00000000000E0000-0x00000000000EA000-memory.dmp

Filesize
40KB

Download
memory/2320-6-0x00000000000E0000-0x00000000000EA000-memory.dmp

Filesize
40KB

Download