44e6eba0741d236283873f490db9edf248c11aa35f34ed7680097170ed9bb4af

Analysis

max time kernel
91s
max time network
131s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
27/06/2024, 13:39

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General

Target

1633389afe0b4dcb68137498411e81e3_JaffaCakes118.dll
Size

36KB
MD5

1633389afe0b4dcb68137498411e81e3
SHA1

561fbff58dbd0ac73b141a921f0b52748055bcc0
SHA256

44e6eba0741d236283873f490db9edf248c11aa35f34ed7680097170ed9bb4af
SHA512

040405f7902f9e741885c6e366fd0e94caf3f7be7414fc8172145a2f416171682efafd252d082871f54c5d5b75e3db6f1c08400dbbd66bd3ca14ede72186b318
SSDEEP

384:OOgGIbRJpai9c49Wigp5/y+ixe1+B6BDR+v+I7J3SvwKF58o2iU+9:6jgiGxy+is1M6BDRK97J3+ZFWo2iU+9

Score

8^/10

persistence privilege_escalation

Malware Config

Signatures

Event Triggered Execution: AppInit DLLs 1 TTPs
Adversaries may establish persistence and/or elevate privileges by executing malicious content triggered by AppInit DLLs loaded into processes.
persistence privilege_escalation

AppInit DLLs
T1546.010

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\Control Panel\International\Geo\Nation	cmd.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Modifies registry class 2 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\regfile\shell\open\command\ = "regedit.exe /s \"%1\""	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000_Classes\Local Settings	cmd.exe

Runs .reg file with regedit 1 IoCs

pid	Process
4864	regedit.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
3084	rundll32.exe
3084	rundll32.exe
3084	rundll32.exe
3084	rundll32.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 4532 wrote to memory of 3084	4532	rundll32.exe	80
PID 4532 wrote to memory of 3084	4532	rundll32.exe	80
PID 4532 wrote to memory of 3084	4532	rundll32.exe	80
PID 3084 wrote to memory of 3200	3084	rundll32.exe	81
PID 3084 wrote to memory of 3200	3084	rundll32.exe	81
PID 3084 wrote to memory of 3200	3084	rundll32.exe	81
PID 3200 wrote to memory of 4864	3200	cmd.exe	83
PID 3200 wrote to memory of 4864	3200	cmd.exe	83
PID 3200 wrote to memory of 4864	3200	cmd.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\1633389afe0b4dcb68137498411e81e3_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4532
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\1633389afe0b4dcb68137498411e81e3_JaffaCakes118.dll,#1
  2⤵
  - Modifies registry class
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:3084
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c C:\Users\Admin\AppData\Local\Temp\a.reg
    3⤵
    - Checks computer location settings
    - Modifies registry class
    - Suspicious use of WriteProcessMemory
    PID:3200
  - - C:\Windows\SysWOW64\regedit.exe
      "regedit.exe" /s "C:\Users\Admin\AppData\Local\Temp\a.reg"
      4⤵
      Runs .reg file with regedit
      PID:4864

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Event Triggered Execution

T1546

AppInit DLLs

T1546.010

Privilege Escalation

Event Triggered Execution

T1546

AppInit DLLs

T1546.010

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\a.reg

Filesize
152B

MD5
b100f5324ef74ded0b998e64d07a2e19

SHA1
40b0d7f51bf2dd8451f1b723d21355c471a5fa46

SHA256
3db613d24a75ae220891698c055e1c580a42e58564f568a0510db87581cc2042

SHA512
c12391bb37c334074f7d7e1257b6364fd5cbce848e0a8fe15b8326f54fd9568fe3baec58618c4334027a774a06a08ec249cb71db925c1f85feee6a3d3a816c04

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