a50a330d7f10b8169574fbecbff8d8a596fd2a04c04ab71d923e6faf57a41b8b

Analysis

max time kernel
149s
max time network
156s
platform
windows10-2004_x64
resource
win10v2004-20240704-en
resource tags

arch:x64arch:x86image:win10v2004-20240704-enlocale:en-usos:windows10-2004-x64system
submitted
15/07/2024, 10:22

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General

Target

495f79d8a5946d83d64be1ddfc200c34_JaffaCakes118.dll
Size

36KB
MD5

495f79d8a5946d83d64be1ddfc200c34
SHA1

87d6be602b64368ee28e590055ce4bf97f714beb
SHA256

a50a330d7f10b8169574fbecbff8d8a596fd2a04c04ab71d923e6faf57a41b8b
SHA512

7563746bc87f53cd08c62df30ed955553d86459b15879ffa518de73858419eb5174060afaf2f49420809261cc139737e1eb6fab3dc2a7602d58eacc109437896
SSDEEP

384:gOgGIbRJpai9c49Wigp5/y+ixe1+B6BDR+v+I7J3SvwKF58o2iU+:wjgiGxy+is1M6BDRK97J3+ZFWo2iU+

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-1-5-21-1403246978-718555486-3105247137-1000\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
Key created	\REGISTRY\USER\S-1-5-21-1403246978-718555486-3105247137-1000_Classes\Local Settings	cmd.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\regfile\shell\open\command\ = "regedit.exe /s \"%1\""	rundll32.exe

Runs .reg file with regedit 1 IoCs

pid	Process
2772	regedit.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1800	rundll32.exe
1800	rundll32.exe
1800	rundll32.exe
1800	rundll32.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 4556 wrote to memory of 1800	4556	rundll32.exe	83
PID 4556 wrote to memory of 1800	4556	rundll32.exe	83
PID 4556 wrote to memory of 1800	4556	rundll32.exe	83
PID 1800 wrote to memory of 664	1800	rundll32.exe	84
PID 1800 wrote to memory of 664	1800	rundll32.exe	84
PID 1800 wrote to memory of 664	1800	rundll32.exe	84
PID 664 wrote to memory of 2772	664	cmd.exe	87
PID 664 wrote to memory of 2772	664	cmd.exe	87
PID 664 wrote to memory of 2772	664	cmd.exe	87

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\495f79d8a5946d83d64be1ddfc200c34_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4556
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\495f79d8a5946d83d64be1ddfc200c34_JaffaCakes118.dll,#1
  2⤵
  - Modifies registry class
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:1800
- - 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:664
  - - C:\Windows\SysWOW64\regedit.exe
      "regedit.exe" /s "C:\Users\Admin\AppData\Local\Temp\a.reg"
      4⤵
      Runs .reg file with regedit
      PID:2772

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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