45819c5faa37fc5d6a194247f6f6d834edd08622904ca4f6ba280bfee98267f0

Analysis

max time kernel
148s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
12/07/2024, 01:07

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General

Target

3b6ea24a0da9ebf237b6ebea756e9dc3_JaffaCakes118.dll
Size

36KB
MD5

3b6ea24a0da9ebf237b6ebea756e9dc3
SHA1

9d8d9b3a74ec8c2aa064879fd4c7624b5a6ae1d8
SHA256

45819c5faa37fc5d6a194247f6f6d834edd08622904ca4f6ba280bfee98267f0
SHA512

dae3f69f88c01ed5d0cb00833105b4f0d409b3390705e679222555dd41413e991e01e96ba6d04c075b810d3a48173db655fcc318aedbbf7e73aaca837b1c2970
SSDEEP

768:zt8dldJN5LXcyXrCD1tDMByGqnXm3+AVWEvaLW:UdzcyXrC/GsnXiVWEvaLW

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-1-5-21-1176886754-713327781-2233697964-1000\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-1-5-21-1176886754-713327781-2233697964-1000_Classes\Local Settings	cmd.exe

Runs .reg file with regedit 1 IoCs

pid	Process
1740	regedit.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
820	rundll32.exe
820	rundll32.exe
820	rundll32.exe
820	rundll32.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2040 wrote to memory of 820	2040	rundll32.exe	83
PID 2040 wrote to memory of 820	2040	rundll32.exe	83
PID 2040 wrote to memory of 820	2040	rundll32.exe	83
PID 820 wrote to memory of 1820	820	rundll32.exe	86
PID 820 wrote to memory of 1820	820	rundll32.exe	86
PID 820 wrote to memory of 1820	820	rundll32.exe	86
PID 1820 wrote to memory of 1740	1820	cmd.exe	89
PID 1820 wrote to memory of 1740	1820	cmd.exe	89
PID 1820 wrote to memory of 1740	1820	cmd.exe	89

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\3b6ea24a0da9ebf237b6ebea756e9dc3_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2040
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\3b6ea24a0da9ebf237b6ebea756e9dc3_JaffaCakes118.dll,#1
  2⤵
  - Modifies registry class
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:820
- - 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:1820
  - - C:\Windows\SysWOW64\regedit.exe
      "regedit.exe" /s "C:\Users\Admin\AppData\Local\Temp\a.reg"
      4⤵
      Runs .reg file with regedit
      PID:1740

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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