gh0strat | 31387c6cad75fa5e0b0105e262372b501b2081ddfdb3ab6569005ecd532e8811

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
27-01-2025 08:13

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General

Target

JaffaCakes118_3d9c310033a8c565293688c2959af348.exe
Size

144KB
MD5

3d9c310033a8c565293688c2959af348
SHA1

232dfe1b9c1db6e6eade29ee5f4d11f3e5d5ea03
SHA256

31387c6cad75fa5e0b0105e262372b501b2081ddfdb3ab6569005ecd532e8811
SHA512

6c5e8e86a91b20f6a2be11a03913b3416a8d6a9400270028e508bb538111065e1d0e723d28da48ce6d76f8b1358cebc7d8bf149937921bb30ea2b8000be7233a
SSDEEP

3072:vVQnPblVlK/2UT2loXguHvnTGygGUcp0Cf/SXIVzPGCrF:vVQPblfK/PaCQcvnqEU8bfqXKzPtF

Score

10^/10

gh0strat discovery persistence rat

Malware Config

Signatures

Gh0st RAT payload 2 IoCs

resource	yara_rule
behavioral2/files/0x000c000000023b6e-1.dat	family_gh0strat
behavioral2/memory/3332-10-0x0000000010000000-0x000000001001F000-memory.dmp	family_gh0strat

Gh0strat
Gh0st RAT is a remote access tool (RAT) with its source code public and it has been used by multiple Chinese groups.
rat gh0strat
Gh0strat family
gh0strat

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\$GM5H\Parameters\ServiceDll = "C:\\Windows\\system32\\ServerGMH5.dll"	rundll32.exe

Loads dropped DLL 3 IoCs

pid	Process
3332	JaffaCakes118_3d9c310033a8c565293688c2959af348.exe
436	rundll32.exe
3096	svchost.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\ServerGMH5.ini	JaffaCakes118_3d9c310033a8c565293688c2959af348.exe

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	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_3d9c310033a8c565293688c2959af348.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3332 wrote to memory of 436	3332	JaffaCakes118_3d9c310033a8c565293688c2959af348.exe	83
PID 3332 wrote to memory of 436	3332	JaffaCakes118_3d9c310033a8c565293688c2959af348.exe	83
PID 3332 wrote to memory of 436	3332	JaffaCakes118_3d9c310033a8c565293688c2959af348.exe	83

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3d9c310033a8c565293688c2959af348.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3d9c310033a8c565293688c2959af348.exe"
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3332
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Windows\system32\ServerGMH5.dll setup
  2⤵
  - Server Software Component: Terminal Services DLL
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  PID:436

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k netsvcs
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
PID:3096

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\Server.tmp

Filesize
120KB

MD5
6a4387b58cd7a93a16d819de68f06f59

SHA1
1ffbc576f7dca773cec0cc01207e4169b7a66643

SHA256
82c19671096cc4bfc9e1b17de390155015d7998758234fdcab3c942851b78dc4

SHA512
a1b16d1a5ad6f25b11430bafdf1f2e26fc27857e750557849e16dfc1ef9552a4b61881475ddc92dba3084d29b17c190e041598c4d9cefe41229d5eff28d12032

Download Submit
memory/3332-10-0x0000000010000000-0x000000001001F000-memory.dmp

Filesize
124KB

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