821d2fca9710338125df161189f88d8072c2a2b5cbda632cd1736e40492ad264

Analysis

max time kernel
142s
max time network
149s
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, 11:37

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General

Target

8e9727506238f5da8b0c1c5d69c260ff_JaffaCakes118.dll
Size

133KB
MD5

8e9727506238f5da8b0c1c5d69c260ff
SHA1

1c6f83f7ec5c6aeb114ce74a747a813c5126efe6
SHA256

821d2fca9710338125df161189f88d8072c2a2b5cbda632cd1736e40492ad264
SHA512

5fe41b07ee620e70895afa8ba3d7009f0bfccf36a46c290e307b568581f895ee15d91c128c54db9742a8bc1146eddcfa04ffeaf48f518aa368df4fa0f79f9a82
SSDEEP

1536:35lcsVofIpzt4yLrJkXW8Qs5mf5MGaLcrhZnHxylJfnyLvLV+mSg0H:3/csqgj4SJkmVRfrDRyATMmK

Score

8^/10

discovery persistence

Malware Config

Signatures

Server Software Component: Terminal Services DLL 1 TTPs 1 IoCs

persistence

Terminal Services DLL

T1505.005

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Fax\Parameters\ServiceDll = "C:\\Windows\\system32\\faxsvc.exe"	rundll32.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\faxsvc.exe	rundll32.exe
File opened for modification	C:\Windows\SysWOW64\faxsvc.exe	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 use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4920 wrote to memory of 5040	4920	rundll32.exe	84
PID 4920 wrote to memory of 5040	4920	rundll32.exe	84
PID 4920 wrote to memory of 5040	4920	rundll32.exe	84

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\8e9727506238f5da8b0c1c5d69c260ff_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4920
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\8e9727506238f5da8b0c1c5d69c260ff_JaffaCakes118.dll,#1
  2⤵
  - Server Software Component: Terminal Services DLL
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  PID:5040

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Server Software Component

T1505

Terminal Services DLL

T1505.005

Privilege Escalation

Defense Evasion

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/5040-1-0x0000000000B20000-0x0000000000B6E000-memory.dmp

Filesize
312KB

Download
memory/5040-0-0x0000000000B20000-0x0000000000B6E000-memory.dmp

Filesize
312KB

Download
memory/5040-2-0x0000000000B4C000-0x0000000000B6D000-memory.dmp

Filesize
132KB

Download
memory/5040-4-0x0000000000B20000-0x0000000000B6E000-memory.dmp

Filesize
312KB

Download