11c5590b885f62c6aef41c6004b4a026bcad63c56915d253ef350465f8459036

Analysis

max time kernel
150s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
17/08/2024, 14:33

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General

Target

a2ec304b37f3d480548553e3132e9ebe_JaffaCakes118.dll
Size

181KB
MD5

a2ec304b37f3d480548553e3132e9ebe
SHA1

ff63ae43dba5b3852d298037b5d303095c69dabb
SHA256

11c5590b885f62c6aef41c6004b4a026bcad63c56915d253ef350465f8459036
SHA512

613d1930e7f553bcff22f08a90366e18f15b381d3b9c707c2a1b6e2b1a322eec20eba6c566d64b8ed8f6df33488ff6823ab29b4c7f4ffcf5112eb573be4ad58a
SSDEEP

3072:5S7VJh6eDfJpsZGuRM4Lk7bBn1uF0SdOmsjXsIina/cFdsa+zfinlp:Wv6+hMGsMwk1188BloFKbTy

Score

6^/10

discovery persistence

Malware Config

Signatures

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Gfewizutazet = "rundll32.exe \"C:\\Users\\Admin\\AppData\\Local\\Temp\\a2ec304b37f3d480548553e3132e9ebe_JaffaCakes118.dll\",Startup"	rundll32.exe

System Location Discovery: System Language Discovery 1 TTPs 1 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

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3884	rundll32.exe
3884	rundll32.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3884	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4512 wrote to memory of 3884	4512	rundll32.exe	84
PID 4512 wrote to memory of 3884	4512	rundll32.exe	84
PID 4512 wrote to memory of 3884	4512	rundll32.exe	84

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\a2ec304b37f3d480548553e3132e9ebe_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4512
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\a2ec304b37f3d480548553e3132e9ebe_JaffaCakes118.dll,#1
  2⤵
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of SetWindowsHookEx
  PID:3884

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/3884-0-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download
memory/3884-1-0x00000000029A0000-0x0000000002AA0000-memory.dmp

Filesize
1024KB

Download
memory/3884-2-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download
memory/3884-12-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download
memory/3884-13-0x00000000029A0000-0x0000000002AA0000-memory.dmp

Filesize
1024KB

Download