8353956fba650d230ade878e5017a010cb3edb162415784a0c246800c3ba95d0

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
19/07/2024, 13:14

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General

Target

5c16709c3288d6aacad2a9a87706665f_JaffaCakes118.dll
Size

36KB
MD5

5c16709c3288d6aacad2a9a87706665f
SHA1

5966f78e9db3ab55b898a6a037d479536a15a1cc
SHA256

8353956fba650d230ade878e5017a010cb3edb162415784a0c246800c3ba95d0
SHA512

cb9b517a455192a33618e8030f578438373eb8da8bc8a4bb857e0dc36e492e077ed419f73a5497eb40ed9c4100b293504ca3c80381a54c18706a283d9e952cb7
SSDEEP

768:ofZ2YidJN5kXcyXrCD1tDMByGqnxGm3+IdW:oedEcyXrC/GsnsGdW

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
2360	regedit.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
3436	rundll32.exe
3436	rundll32.exe
3436	rundll32.exe
3436	rundll32.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 5056 wrote to memory of 3436	5056	rundll32.exe	84
PID 5056 wrote to memory of 3436	5056	rundll32.exe	84
PID 5056 wrote to memory of 3436	5056	rundll32.exe	84
PID 3436 wrote to memory of 3520	3436	rundll32.exe	85
PID 3436 wrote to memory of 3520	3436	rundll32.exe	85
PID 3436 wrote to memory of 3520	3436	rundll32.exe	85
PID 3520 wrote to memory of 2360	3520	cmd.exe	88
PID 3520 wrote to memory of 2360	3520	cmd.exe	88
PID 3520 wrote to memory of 2360	3520	cmd.exe	88

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\5c16709c3288d6aacad2a9a87706665f_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:5056
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\5c16709c3288d6aacad2a9a87706665f_JaffaCakes118.dll,#1
  2⤵
  - Modifies registry class
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:3436
- - 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:3520
  - - C:\Windows\SysWOW64\regedit.exe
      "regedit.exe" /s "C:\Users\Admin\AppData\Local\Temp\a.reg"
      4⤵
      Runs .reg file with regedit
      PID:2360

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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