50067e896a694f4c83e7a4f324cf19d05c1c70db8d1d4fe979af702964d5f5d7

Analysis

max time kernel
140s
max time network
104s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
12/08/2024, 11:26

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

8e8f9540b9234ebac4a3e41cf5d8fae9_JaffaCakes118.dll
Size

32KB
MD5

8e8f9540b9234ebac4a3e41cf5d8fae9
SHA1

8b397bcf45c4668dd1070afbfe2a2cded066cac6
SHA256

50067e896a694f4c83e7a4f324cf19d05c1c70db8d1d4fe979af702964d5f5d7
SHA512

02e26c09f330a8d5b118f7a63f1bb20db5fddc7c6617575c71f32a3b1b9c473a355ce8c0669474b090e674fc3d644ebb425b1b8cdd350ad6a5f51ad28a4cba18
SSDEEP

384:ZaXSbS8RQP1RxVkosHVmWebRJZZPzAT0DyE7Q1Ww7//ChLu3/Y:ZaXMssKbRJZ9zs0yQQ1W8/6hLu3/

Score

8^/10

discovery 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-1-5-21-786284298-625481688-3210388970-1000\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

System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	regedit.exe

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-1-5-21-786284298-625481688-3210388970-1000_Classes\Local Settings	cmd.exe

Runs .reg file with regedit 1 IoCs

pid	Process
2220	regedit.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
4876	rundll32.exe
4876	rundll32.exe
4876	rundll32.exe
4876	rundll32.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 312 wrote to memory of 4876	312	rundll32.exe	84
PID 312 wrote to memory of 4876	312	rundll32.exe	84
PID 312 wrote to memory of 4876	312	rundll32.exe	84
PID 4876 wrote to memory of 1564	4876	rundll32.exe	85
PID 4876 wrote to memory of 1564	4876	rundll32.exe	85
PID 4876 wrote to memory of 1564	4876	rundll32.exe	85
PID 1564 wrote to memory of 2220	1564	cmd.exe	88
PID 1564 wrote to memory of 2220	1564	cmd.exe	88
PID 1564 wrote to memory of 2220	1564	cmd.exe	88

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\8e8f9540b9234ebac4a3e41cf5d8fae9_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:312
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\8e8f9540b9234ebac4a3e41cf5d8fae9_JaffaCakes118.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:4876
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c C:\Users\Admin\AppData\Local\Temp\a.reg
    3⤵
    - Checks computer location settings
    - System Location Discovery: System Language Discovery
    - Modifies registry class
    - Suspicious use of WriteProcessMemory
    PID:1564
  - - C:\Windows\SysWOW64\regedit.exe
      "regedit.exe" /s "C:\Users\Admin\AppData\Local\Temp\a.reg"
      4⤵
      System Location Discovery: System Language Discovery
      Runs .reg file with regedit
      PID:2220

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

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\a.reg

Filesize
179B

MD5
f3dbe232e05c7524d83f53e5b1d74903

SHA1
73f9f4252efc4ccb54aa7a000ababf88fcd5934c

SHA256
24228c7cc91bb36420590e9a46a668d5a336578c64c3db507559c5c24ab69782

SHA512
873a02dcf63f1fad1c1b508d8f330fde5ac5fc36c57b2e8ab18b632facd1f6f9c93335e7564cfdb12dc05c6b1317666faebb6a440bd0d968892a31a7d48764e9

Download Submit