5fcfc85fa47ba2febcbab03e1c535d1db86bbc069c561993522acd57d9dd9f94

Analysis

max time kernel
142s
max time network
146s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
10/07/2024, 13:30

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General

Target

34eba1bb4ec8ba8ef548aebb4e606b3a_JaffaCakes118.dll
Size

36KB
MD5

34eba1bb4ec8ba8ef548aebb4e606b3a
SHA1

01c779d3eb22da3ee6919c3eb348093d2fec9ad0
SHA256

5fcfc85fa47ba2febcbab03e1c535d1db86bbc069c561993522acd57d9dd9f94
SHA512

7ebc5c26d2551142e64a984cbb931d4e0eeaa64f3ef7b01b78ebd129542a30987a5647cf2c3dd5de717afffa0199c33168eb0b914b87a42c8f41c943c2e29400
SSDEEP

768:xjgiGxy+iC146BDRK97J3+ZFWo2iU+DaLW:BMy+hQYFWuaLW

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
3632	regedit.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
232	rundll32.exe
232	rundll32.exe
232	rundll32.exe
232	rundll32.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1332 wrote to memory of 232	1332	rundll32.exe	83
PID 1332 wrote to memory of 232	1332	rundll32.exe	83
PID 1332 wrote to memory of 232	1332	rundll32.exe	83
PID 232 wrote to memory of 32	232	rundll32.exe	85
PID 232 wrote to memory of 32	232	rundll32.exe	85
PID 232 wrote to memory of 32	232	rundll32.exe	85
PID 32 wrote to memory of 3632	32	cmd.exe	88
PID 32 wrote to memory of 3632	32	cmd.exe	88
PID 32 wrote to memory of 3632	32	cmd.exe	88

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\34eba1bb4ec8ba8ef548aebb4e606b3a_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1332
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\34eba1bb4ec8ba8ef548aebb4e606b3a_JaffaCakes118.dll,#1
  2⤵
  - Modifies registry class
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:232
- - 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:32
  - - C:\Windows\SysWOW64\regedit.exe
      "regedit.exe" /s "C:\Users\Admin\AppData\Local\Temp\a.reg"
      4⤵
      Runs .reg file with regedit
      PID:3632

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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