c95c162e0265c03ea623dadc3534a783c93f42e7bb03b72f9cbf18098d7d7c46

Analysis

max time kernel
141s
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
22/07/2024, 15:05

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General

Target

63a9478357f9de4492515183b5a8aff0_JaffaCakes118.dll
Size

32KB
MD5

63a9478357f9de4492515183b5a8aff0
SHA1

1cdcb024c7acba66a572ea040568752024c6f536
SHA256

c95c162e0265c03ea623dadc3534a783c93f42e7bb03b72f9cbf18098d7d7c46
SHA512

d8c9a9d2e309e69d1f7b700c723363ec3cd6c702980f5a37f68d832a0412309a1741eb33e897bf4ce96edb729e35fc46d5e017c70a416eaabc53a561764f13e0
SSDEEP

384:GaXSbS8RQP1RxVkosHVmWebRJZZPzAT0DyE7Q1Ww7//ChLu3/Y:GaXMssKbRJZ9zs0yQQ1W8/6hLu3/

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-1-5-21-3419463127-3903270268-2580331543-1000\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-1-5-21-3419463127-3903270268-2580331543-1000_Classes\Local Settings	cmd.exe

Runs .reg file with regedit 1 IoCs

pid	Process
4548	regedit.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
908	rundll32.exe
908	rundll32.exe
908	rundll32.exe
908	rundll32.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 324 wrote to memory of 908	324	rundll32.exe	86
PID 324 wrote to memory of 908	324	rundll32.exe	86
PID 324 wrote to memory of 908	324	rundll32.exe	86
PID 908 wrote to memory of 1196	908	rundll32.exe	87
PID 908 wrote to memory of 1196	908	rundll32.exe	87
PID 908 wrote to memory of 1196	908	rundll32.exe	87
PID 1196 wrote to memory of 4548	1196	cmd.exe	90
PID 1196 wrote to memory of 4548	1196	cmd.exe	90
PID 1196 wrote to memory of 4548	1196	cmd.exe	90

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\63a9478357f9de4492515183b5a8aff0_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:324
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\63a9478357f9de4492515183b5a8aff0_JaffaCakes118.dll,#1
  2⤵
  - Modifies registry class
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:908
- - 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:1196
  - - C:\Windows\SysWOW64\regedit.exe
      "regedit.exe" /s "C:\Users\Admin\AppData\Local\Temp\a.reg"
      4⤵
      Runs .reg file with regedit
      PID:4548

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
179B

MD5
f3dbe232e05c7524d83f53e5b1d74903

SHA1
73f9f4252efc4ccb54aa7a000ababf88fcd5934c

SHA256
24228c7cc91bb36420590e9a46a668d5a336578c64c3db507559c5c24ab69782

SHA512
873a02dcf63f1fad1c1b508d8f330fde5ac5fc36c57b2e8ab18b632facd1f6f9c93335e7564cfdb12dc05c6b1317666faebb6a440bd0d968892a31a7d48764e9

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