gh0strat | dfe9db1da244e566f45050b88078763e5e39ecd3a4496bbc717629da04fbfc8a

Analysis

max time kernel
94s
max time network
144s
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, 06:49

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General

Target

JaffaCakes118_3cfa0e6866f2919907781cdc7a7133e9.exe
Size

110KB
MD5

3cfa0e6866f2919907781cdc7a7133e9
SHA1

163c138189596f4b8053c341283cb382732cbec8
SHA256

dfe9db1da244e566f45050b88078763e5e39ecd3a4496bbc717629da04fbfc8a
SHA512

8362b917813c030be94e2e45c2a87e89ae9c41102b8fe0d6090af7395319a97e0914d9beb551c2879791d08329c53258b1b1703dbd1aff7657aea166ac796b98
SSDEEP

3072:8EXI1SyGRjgp1gl5IRXlmAUW5NiWEHaTAwTw+spbxY1:JX0SyGRjgpCl5IRXEAZ30HQPw+a2

Score

10^/10

gh0strat discovery persistence rat

Malware Config

Signatures

Gh0st RAT payload 5 IoCs

resource	yara_rule
behavioral2/memory/4808-0-0x0000000000400000-0x000000000041CE38-memory.dmp	family_gh0strat
behavioral2/files/0x000c000000023b35-4.dat	family_gh0strat
behavioral2/memory/4540-7-0x0000000010000000-0x000000001001A000-memory.dmp	family_gh0strat
behavioral2/memory/4808-6-0x0000000000400000-0x000000000041CE38-memory.dmp	family_gh0strat
behavioral2/memory/4540-8-0x0000000010000000-0x000000001001A000-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\FastUserSwitchingCompatibility\Parameters\ServiceDll = "C:\\Windows\\system32\\FastUserSwitchingCompatibility360.dll"	JaffaCakes118_3cfa0e6866f2919907781cdc7a7133e9.exe

Loads dropped DLL 1 IoCs

pid	Process
4540	SVCHOST.EXE

Drops file in System32 directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\FastUserSwitchingCompatibility360.dll	JaffaCakes118_3cfa0e6866f2919907781cdc7a7133e9.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	JaffaCakes118_3cfa0e6866f2919907781cdc7a7133e9.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	SVCHOST.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	taskkill.exe

Kills process with taskkill 1 IoCs

defense_evasion

pid	Process
4624	taskkill.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4624	taskkill.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4808 wrote to memory of 4624	4808	JaffaCakes118_3cfa0e6866f2919907781cdc7a7133e9.exe	83
PID 4808 wrote to memory of 4624	4808	JaffaCakes118_3cfa0e6866f2919907781cdc7a7133e9.exe	83
PID 4808 wrote to memory of 4624	4808	JaffaCakes118_3cfa0e6866f2919907781cdc7a7133e9.exe	83

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3cfa0e6866f2919907781cdc7a7133e9.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3cfa0e6866f2919907781cdc7a7133e9.exe"
1⤵
- Server Software Component: Terminal Services DLL
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4808
- C:\Windows\SysWOW64\taskkill.exe
  taskkill /f /t /im RSTray.exe
  2⤵
  - System Location Discovery: System Language Discovery
  - Kills process with taskkill
  - Suspicious use of AdjustPrivilegeToken
  PID:4624

C:\Windows\SysWOW64\SVCHOST.EXE
C:\Windows\SysWOW64\SVCHOST.EXE -K NETSVCS -s FastUserSwitchingCompatibility
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
PID:4540

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

\??\c:\windows\SysWOW64\fastuserswitchingcompatibility360.dll

Filesize
95KB

MD5
f7b927ed1fb3547f518d0c065dd70ed9

SHA1
5090d2e5274f3696779dce4f21544b4492520cd9

SHA256
7f914a1871084feac50efda43bbbd77bc70747303e2fe01b8d48959136d0644d

SHA512
a8bac9fc3d692cf911e9ea22993dfd147eb8b7afb9986d9ee9c7bd1e4b4728d7c72be27bebb889ac75576e8deecef87f521d0340391f857ce4a75646f7af9d35

Download Submit
memory/4540-7-0x0000000010000000-0x000000001001A000-memory.dmp

Filesize
104KB

Download
memory/4540-8-0x0000000010000000-0x000000001001A000-memory.dmp

Filesize
104KB

Download
memory/4808-0-0x0000000000400000-0x000000000041CE38-memory.dmp

Filesize
115KB

Download
memory/4808-6-0x0000000000400000-0x000000000041CE38-memory.dmp

Filesize
115KB

Download