gh0strat | 9bdcca0eb16f0549cda899a222d028e882895c6447329a5ddbb449f3ed9069ba

General

Target

9bdcca0eb16f0549cda899a222d028e882895c6447329a5ddbb449f3ed9069ba.exe
Size

1.4MB
MD5

06d978dd90f0f028ac682657a328ac4a
SHA1

d45928316caafd1402df444e44bcdaaaee1a3678
SHA256

9bdcca0eb16f0549cda899a222d028e882895c6447329a5ddbb449f3ed9069ba
SHA512

90a5c1b92410572207a1c9c21a32de136ef9243e1a5472ae31d96a1bfc181c07fa7d85a9b12d1a9b9158e1196fe31e9ec1eb40c444a5420b7158490e83bb8601
SSDEEP

24576:KYFbkIsaPiXSVnC7Yp9zkNmZG8RRlnIyzsWcyOEe:KYREXSVMDi3D+d

Score

10^/10

Malware Config

Signatures

Gh0st RAT payload 1 IoCs

resource	yara_rule
behavioral2/files/0x000b000000023b3f-5.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

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\svchcst\Parameters\ServiceDll = "C:\\Windows\\system32\\240612515.bat"	look2.exe

Executes dropped EXE 2 IoCs

pid	Process
1648	look2.exe
2176	svchcst.exe

Loads dropped DLL 3 IoCs

pid	Process
1648	look2.exe
1340	svchost.exe
2176	svchcst.exe

Drops file in System32 directory 4 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\240612515.bat	look2.exe
File opened for modification	C:\Windows\SysWOW64\ini.ini	look2.exe
File created	C:\Windows\SysWOW64\svchcst.exe	svchost.exe
File opened for modification	C:\Windows\SysWOW64\svchcst.exe	svchost.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 4 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	svchcst.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	9bdcca0eb16f0549cda899a222d028e882895c6447329a5ddbb449f3ed9069ba.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	look2.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
5052	9bdcca0eb16f0549cda899a222d028e882895c6447329a5ddbb449f3ed9069ba.exe
5052	9bdcca0eb16f0549cda899a222d028e882895c6447329a5ddbb449f3ed9069ba.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 5052 wrote to memory of 1648	5052	9bdcca0eb16f0549cda899a222d028e882895c6447329a5ddbb449f3ed9069ba.exe	83
PID 5052 wrote to memory of 1648	5052	9bdcca0eb16f0549cda899a222d028e882895c6447329a5ddbb449f3ed9069ba.exe	83
PID 5052 wrote to memory of 1648	5052	9bdcca0eb16f0549cda899a222d028e882895c6447329a5ddbb449f3ed9069ba.exe	83
PID 1340 wrote to memory of 2176	1340	svchost.exe	97
PID 1340 wrote to memory of 2176	1340	svchost.exe	97
PID 1340 wrote to memory of 2176	1340	svchost.exe	97

C:\Users\Admin\AppData\Local\Temp\9bdcca0eb16f0549cda899a222d028e882895c6447329a5ddbb449f3ed9069ba.exe
"C:\Users\Admin\AppData\Local\Temp\9bdcca0eb16f0549cda899a222d028e882895c6447329a5ddbb449f3ed9069ba.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:5052
- C:\Users\Admin\AppData\Local\Temp\look2.exe
  C:\Users\Admin\AppData\Local\Temp\\look2.exe
  2⤵
  - Server Software Component: Terminal Services DLL
  - Executes dropped EXE
  - Loads dropped DLL
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  PID:1648

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "svchcst"
1⤵
PID:1796

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "svchcst"
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1340
- C:\Windows\SysWOW64\svchcst.exe
  C:\Windows\system32\svchcst.exe "c:\windows\system32\240612515.bat",MainThread
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  PID:2176

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Server Software Component

1

T1505

Terminal Services DLL

1

T1505.005

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\look2.exe

Filesize
337KB

MD5
2f3b6f16e33e28ad75f3fdaef2567807

SHA1
85e907340faf1edfc9210db85a04abd43d21b741

SHA256
86492ebf2d6f471a5ee92977318d099b3ea86175b5b7ae522237ae01d07a4857

SHA512
db17e99e2df918cfc9ccbe934adfe73f0777ce1ce9f28b57a4b24ecd821efe2e0b976a634853247b77b16627d2bb3af4ba20306059d1d25ef38ffada7da3e3a4

Download Submit
C:\Windows\SysWOW64\240612515.bat

Filesize
51KB

MD5
a9085e2a4792b122da0475b6556f1315

SHA1
b42baf387b0f4b2646a990e65b12ddeceedb1c8e

SHA256
1ffe3bd7c38c213f068a8470ec6c45bce1046d53e0399a993cee1856e3cdd4a2

SHA512
960c5653322f070d817d2a00a6a6d82b455b0712b38d3020a597bad516743e6197c63984e28f0221679e70f39c170c747fff0204de8856867025a0ee325ffd55

Download Submit
C:\Windows\SysWOW64\svchcst.exe

Filesize
60KB

MD5
889b99c52a60dd49227c5e485a016679

SHA1
8fa889e456aa646a4d0a4349977430ce5fa5e2d7

SHA256
6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

SHA512
08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641

Download Submit

Analysis

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