406f383a31bc35ccc0f247eb3d0c116a470b36269d53b6801cf9ac60078d648f

Analysis

max time kernel
150s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
22/08/2024, 12:12

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General

Target

b7950e144a557aba0d354e940bbe6cdc_JaffaCakes118.dll
Size

264KB
MD5

b7950e144a557aba0d354e940bbe6cdc
SHA1

ab9a8ee225d91ab4ede8058fbb8050122d76ee38
SHA256

406f383a31bc35ccc0f247eb3d0c116a470b36269d53b6801cf9ac60078d648f
SHA512

33f194fcb2f71b6de92d0a7fb1060c65941073ff3fbbc948bc63bf80cd3e8624e8cdaa050ec65ef45ab50b7eb58f58a742fe664c015232c5e4251dcd3072ee56
SSDEEP

6144:voPCOIYK2MQAzDn8v8PVWxxQm8hCkfWHs5qH:voPLzYzD7PGWm87+s5

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\Cjalayusa = "rundll32.exe \"C:\\Users\\Admin\\AppData\\Local\\Temp\\b7950e144a557aba0d354e940bbe6cdc_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
3804	rundll32.exe
3804	rundll32.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3804	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4396 wrote to memory of 3804	4396	rundll32.exe	84
PID 4396 wrote to memory of 3804	4396	rundll32.exe	84
PID 4396 wrote to memory of 3804	4396	rundll32.exe	84

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\b7950e144a557aba0d354e940bbe6cdc_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4396
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\b7950e144a557aba0d354e940bbe6cdc_JaffaCakes118.dll,#1
  2⤵
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of SetWindowsHookEx
  PID:3804

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

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Downloads

memory/3804-0-0x0000000002B50000-0x0000000002C50000-memory.dmp

Filesize
1024KB

Download
memory/3804-1-0x0000000010000000-0x0000000010049000-memory.dmp

Filesize
292KB

Download
memory/3804-11-0x0000000010000000-0x0000000010049000-memory.dmp

Filesize
292KB

Download
memory/3804-12-0x0000000002B50000-0x0000000002C50000-memory.dmp

Filesize
1024KB

Download