19932c9968ef78ea314b65ddb7d753662475fae22dbbc86d42f43625c6298e29

Analysis

max time kernel
92s
max time network
126s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
14/07/2024, 08:56

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target

4522dbb8d158e075d4ef58f4bd80c01d_JaffaCakes118.dll
Size

36KB
MD5

4522dbb8d158e075d4ef58f4bd80c01d
SHA1

c5da46cc2d4a9878d2295cbf74a2986490cf87e7
SHA256

19932c9968ef78ea314b65ddb7d753662475fae22dbbc86d42f43625c6298e29
SHA512

67ab9c70834dd12f7be72696ae9a53239fb9d8c29f3a15b056ba9f1289bfdb6b5fe7e8c18e917897b8b165aaaa91d3fe6f003b858331dd2527b6057890d70588
SSDEEP

768:yfZd8dJN5kXcyXrCD1tDMByGqnxGm3+2VWSaLW:yQdEcyXrC/GsnsIVWSaLW

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-1-5-21-464762018-485119342-1613148473-1000\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-1-5-21-464762018-485119342-1613148473-1000_Classes\Local Settings	cmd.exe

Runs .reg file with regedit 1 IoCs

pid	Process
400	regedit.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2004	rundll32.exe
2004	rundll32.exe
2004	rundll32.exe
2004	rundll32.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 876 wrote to memory of 2004	876	rundll32.exe	83
PID 876 wrote to memory of 2004	876	rundll32.exe	83
PID 876 wrote to memory of 2004	876	rundll32.exe	83
PID 2004 wrote to memory of 2404	2004	rundll32.exe	86
PID 2004 wrote to memory of 2404	2004	rundll32.exe	86
PID 2004 wrote to memory of 2404	2004	rundll32.exe	86
PID 2404 wrote to memory of 400	2404	cmd.exe	89
PID 2404 wrote to memory of 400	2404	cmd.exe	89
PID 2404 wrote to memory of 400	2404	cmd.exe	89

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\4522dbb8d158e075d4ef58f4bd80c01d_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:876
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\4522dbb8d158e075d4ef58f4bd80c01d_JaffaCakes118.dll,#1
  2⤵
  - Modifies registry class
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:2004
- - 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:2404
  - - C:\Windows\SysWOW64\regedit.exe
      "regedit.exe" /s "C:\Users\Admin\AppData\Local\Temp\a.reg"
      4⤵
      Runs .reg file with regedit
      PID:400

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

Loading Replay Monitor...

Downloads

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

Filesize
152B

MD5
b100f5324ef74ded0b998e64d07a2e19

SHA1
40b0d7f51bf2dd8451f1b723d21355c471a5fa46

SHA256
3db613d24a75ae220891698c055e1c580a42e58564f568a0510db87581cc2042

SHA512
c12391bb37c334074f7d7e1257b6364fd5cbce848e0a8fe15b8326f54fd9568fe3baec58618c4334027a774a06a08ec249cb71db925c1f85feee6a3d3a816c04

Download Submit