8e6e70cfd53cb4c611302cc01b910f642c6334e63f605aa319c003cb44d5af5e

Analysis

max time kernel
149s
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
13/07/2024, 07:43

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General

Target

40c9ec09300645004af4ce1b5594901e_JaffaCakes118.dll
Size

36KB
MD5

40c9ec09300645004af4ce1b5594901e
SHA1

e48edd5ce62db95592c6dd92cbee66eebabd0c22
SHA256

8e6e70cfd53cb4c611302cc01b910f642c6334e63f605aa319c003cb44d5af5e
SHA512

290b09d0bdd7a6cefd7eae97be818f91fdc2eaf5da80a0cccae906b9d10b8ba49b0c9fd7f30ae544008e69c344e942af14197f6481ed7ab742f81e541a36c7cf
SSDEEP

768:jt8dldJN5LXcyXrCD1tDMByGqnXm3+AVWEvaLW:EdzcyXrC/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-1-5-21-464762018-485119342-1613148473-1000\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
1120	regedit.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
720	rundll32.exe
720	rundll32.exe
720	rundll32.exe
720	rundll32.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 3456 wrote to memory of 720	3456	rundll32.exe	83
PID 3456 wrote to memory of 720	3456	rundll32.exe	83
PID 3456 wrote to memory of 720	3456	rundll32.exe	83
PID 720 wrote to memory of 2964	720	rundll32.exe	85
PID 720 wrote to memory of 2964	720	rundll32.exe	85
PID 720 wrote to memory of 2964	720	rundll32.exe	85
PID 2964 wrote to memory of 1120	2964	cmd.exe	88
PID 2964 wrote to memory of 1120	2964	cmd.exe	88
PID 2964 wrote to memory of 1120	2964	cmd.exe	88

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\40c9ec09300645004af4ce1b5594901e_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3456
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\40c9ec09300645004af4ce1b5594901e_JaffaCakes118.dll,#1
  2⤵
  - Modifies registry class
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:720
- - 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:2964
  - - C:\Windows\SysWOW64\regedit.exe
      "regedit.exe" /s "C:\Users\Admin\AppData\Local\Temp\a.reg"
      4⤵
      Runs .reg file with regedit
      PID:1120

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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