0097cb28d8dcea0abbbc12140ef42239561ffaf5e132ea7ad86e562d1a87de45

Analysis

max time kernel
95s
max time network
96s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
15/07/2024, 09:07

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General

Target

4920f88ccc99661e2a925cfcb3f0b7cd_JaffaCakes118.dll
Size

36KB
MD5

4920f88ccc99661e2a925cfcb3f0b7cd
SHA1

e09316b227396c9e26865a29fa48002de9f9818b
SHA256

0097cb28d8dcea0abbbc12140ef42239561ffaf5e132ea7ad86e562d1a87de45
SHA512

e6b710ee142f8175d1b1a2155f24db9fbab6ddf26fd099560973ff29f253c5896e38595250f257aa5a623dd3d219e2275c2b7551068058ef2c3144723ead4b35
SSDEEP

384:wOgGIbRJpai9c49Wigp5/y+ixe1+B6BDR+v+I7J3SvwKF58o2iU+A:gjgiGxy+is1M6BDRK97J3+ZFWo2iU+A

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-1-5-21-2990742725-2267136959-192470804-1000\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-1-5-21-2990742725-2267136959-192470804-1000_Classes\Local Settings	cmd.exe

Runs .reg file with regedit 1 IoCs

pid	Process
1220	regedit.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
212	rundll32.exe
212	rundll32.exe
212	rundll32.exe
212	rundll32.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 4580 wrote to memory of 212	4580	rundll32.exe	83
PID 4580 wrote to memory of 212	4580	rundll32.exe	83
PID 4580 wrote to memory of 212	4580	rundll32.exe	83
PID 212 wrote to memory of 2616	212	rundll32.exe	85
PID 212 wrote to memory of 2616	212	rundll32.exe	85
PID 212 wrote to memory of 2616	212	rundll32.exe	85
PID 2616 wrote to memory of 1220	2616	cmd.exe	89
PID 2616 wrote to memory of 1220	2616	cmd.exe	89
PID 2616 wrote to memory of 1220	2616	cmd.exe	89

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\4920f88ccc99661e2a925cfcb3f0b7cd_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4580
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\4920f88ccc99661e2a925cfcb3f0b7cd_JaffaCakes118.dll,#1
  2⤵
  - Modifies registry class
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:212
- - 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:2616
  - - C:\Windows\SysWOW64\regedit.exe
      "regedit.exe" /s "C:\Users\Admin\AppData\Local\Temp\a.reg"
      4⤵
      Runs .reg file with regedit
      PID:1220

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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