gh0strat | 7f431f72b95114125ba0ef9c59906ff5288178dafa6673af0ae868c1fcc0faca

Analysis

max time kernel
150s
max time network
138s
platform
windows10-2004_x64
resource
win10v2004-20250217-en
resource tags

arch:x64arch:x86image:win10v2004-20250217-enlocale:en-usos:windows10-2004-x64system
submitted
09/03/2025, 02:31

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General

Target

7f431f72b95114125ba0ef9c59906ff5288178dafa6673af0ae868c1fcc0faca.dll
Size

224KB
MD5

9485b8cb4d81dd009864b1b9787ef7d8
SHA1

50f7ad7a4fef7b43eb189575a9b5b089bc83118b
SHA256

7f431f72b95114125ba0ef9c59906ff5288178dafa6673af0ae868c1fcc0faca
SHA512

dcc7bd8bb9bc47f16b2348f6e149f41f87543c5fcabab3b56304e2e8992b0da7ccde65de8661d305304dc478cf84682c18b871c7f6ea31606b020aa4cdef68f6
SSDEEP

3072:MdQo6wtIptugitFof9zCPc4Mj77IxZa39TtsAneb/eZJH3tt4TSOB3c7TLby:iQoPIHi0zYOj77aZQ10/6JHzWSOBay

Score

10^/10

gh0strat discovery rat

Malware Config

Signatures

Gh0st RAT payload 1 IoCs

resource	yara_rule
behavioral2/files/0x0010000000023c31-1.dat	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

Blocklisted process makes network request 1 IoCs

flow	pid	Process
6	2244	rundll32.exe

Loads dropped DLL 2 IoCs

pid	Process
5092	svchost.exe
2244	rundll32.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3688	60	WerFault.exe	85

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

Modifies data under HKEY_USERS 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\NetSubKey	rundll32.exe

Suspicious use of AdjustPrivilegeToken 15 IoCs

description	pid	Process
Token: SeBackupPrivilege	60	rundll32.exe
Token: SeRestorePrivilege	60	rundll32.exe
Token: SeBackupPrivilege	60	rundll32.exe
Token: SeRestorePrivilege	60	rundll32.exe
Token: SeBackupPrivilege	60	rundll32.exe
Token: SeRestorePrivilege	60	rundll32.exe
Token: SeBackupPrivilege	60	rundll32.exe
Token: SeRestorePrivilege	60	rundll32.exe
Token: SeBackupPrivilege	5092	svchost.exe
Token: SeRestorePrivilege	5092	svchost.exe
Token: SeBackupPrivilege	5092	svchost.exe
Token: SeRestorePrivilege	5092	svchost.exe
Token: SeBackupPrivilege	5092	svchost.exe
Token: SeRestorePrivilege	5092	svchost.exe
Token: SeDebugPrivilege	5092	svchost.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1512 wrote to memory of 60	1512	rundll32.exe	85
PID 1512 wrote to memory of 60	1512	rundll32.exe	85
PID 1512 wrote to memory of 60	1512	rundll32.exe	85
PID 5092 wrote to memory of 2244	5092	svchost.exe	88
PID 5092 wrote to memory of 2244	5092	svchost.exe	88
PID 5092 wrote to memory of 2244	5092	svchost.exe	88

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\7f431f72b95114125ba0ef9c59906ff5288178dafa6673af0ae868c1fcc0faca.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1512
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\7f431f72b95114125ba0ef9c59906ff5288178dafa6673af0ae868c1fcc0faca.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:60
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 60 -s 736
    3⤵
    - Program crash
    PID:3688

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k imgsvc
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5092
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe "C:\Windows\TEMP\sysw.jpg", FineView
  2⤵
  - Blocklisted process makes network request
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Modifies data under HKEY_USERS
  PID:2244

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 368 -p 60 -ip 60
1⤵
PID:1364

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

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\sysw.jpg

Filesize
224KB

MD5
9485b8cb4d81dd009864b1b9787ef7d8

SHA1
50f7ad7a4fef7b43eb189575a9b5b089bc83118b

SHA256
7f431f72b95114125ba0ef9c59906ff5288178dafa6673af0ae868c1fcc0faca

SHA512
dcc7bd8bb9bc47f16b2348f6e149f41f87543c5fcabab3b56304e2e8992b0da7ccde65de8661d305304dc478cf84682c18b871c7f6ea31606b020aa4cdef68f6

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