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
behavioral1/files/0x0008000000015dac-6.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\\259455590.bat"	look2.exe

Executes dropped EXE 2 IoCs

pid	Process
2364	look2.exe
2716	svchcst.exe

Loads dropped DLL 5 IoCs

pid	Process
2648	9bdcca0eb16f0549cda899a222d028e882895c6447329a5ddbb449f3ed9069ba.exe
2364	look2.exe
2696	svchost.exe
2696	svchost.exe
2716	svchcst.exe

Drops file in System32 directory 4 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\259455590.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

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe	9bdcca0eb16f0549cda899a222d028e882895c6447329a5ddbb449f3ed9069ba.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	9bdcca0eb16f0549cda899a222d028e882895c6447329a5ddbb449f3ed9069ba.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	look2.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchcst.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2648	9bdcca0eb16f0549cda899a222d028e882895c6447329a5ddbb449f3ed9069ba.exe
2648	9bdcca0eb16f0549cda899a222d028e882895c6447329a5ddbb449f3ed9069ba.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2648 wrote to memory of 2364	2648	9bdcca0eb16f0549cda899a222d028e882895c6447329a5ddbb449f3ed9069ba.exe	30
PID 2648 wrote to memory of 2364	2648	9bdcca0eb16f0549cda899a222d028e882895c6447329a5ddbb449f3ed9069ba.exe	30
PID 2648 wrote to memory of 2364	2648	9bdcca0eb16f0549cda899a222d028e882895c6447329a5ddbb449f3ed9069ba.exe	30
PID 2648 wrote to memory of 2364	2648	9bdcca0eb16f0549cda899a222d028e882895c6447329a5ddbb449f3ed9069ba.exe	30
PID 2696 wrote to memory of 2716	2696	svchost.exe	33
PID 2696 wrote to memory of 2716	2696	svchost.exe	33
PID 2696 wrote to memory of 2716	2696	svchost.exe	33
PID 2696 wrote to memory of 2716	2696	svchost.exe	33

C:\Users\Admin\AppData\Local\Temp\9bdcca0eb16f0549cda899a222d028e882895c6447329a5ddbb449f3ed9069ba.exe
"C:\Users\Admin\AppData\Local\Temp\9bdcca0eb16f0549cda899a222d028e882895c6447329a5ddbb449f3ed9069ba.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2648
- 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:2364

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "svchcst"
1⤵
PID:2788

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:2696
- C:\Windows\SysWOW64\svchcst.exe
  C:\Windows\system32\svchcst.exe "c:\windows\system32\259455590.bat",MainThread
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  PID:2716

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\HD_X.dat

Filesize
1.4MB

MD5
06d978dd90f0f028ac682657a328ac4a

SHA1
d45928316caafd1402df444e44bcdaaaee1a3678

SHA256
9bdcca0eb16f0549cda899a222d028e882895c6447329a5ddbb449f3ed9069ba

SHA512
90a5c1b92410572207a1c9c21a32de136ef9243e1a5472ae31d96a1bfc181c07fa7d85a9b12d1a9b9158e1196fe31e9ec1eb40c444a5420b7158490e83bb8601

Download Submit
\Users\Admin\AppData\Local\Temp\look2.exe

Filesize
337KB

MD5
2f3b6f16e33e28ad75f3fdaef2567807

SHA1
85e907340faf1edfc9210db85a04abd43d21b741

SHA256
86492ebf2d6f471a5ee92977318d099b3ea86175b5b7ae522237ae01d07a4857

SHA512
db17e99e2df918cfc9ccbe934adfe73f0777ce1ce9f28b57a4b24ecd821efe2e0b976a634853247b77b16627d2bb3af4ba20306059d1d25ef38ffada7da3e3a4

Download Submit
\Windows\SysWOW64\259455590.bat

Filesize
51KB

MD5
ea31179194255d828e3a43be5999e87d

SHA1
411395f8b774f4731a38afa548f5f3fdd5700dfd

SHA256
eff5d8353fbc8933e3a8d86ebf3b9ba0c3c7d9636571e391a51233c103e80c8d

SHA512
5d1a7ec0c4599988a88f02a8966d2a7a161723443cdc991f4d6e67bef5067a4cfa80dd25947cdd639c04ec8faf9c0e799dfae8713384fa469bbfd96a6c1fcea4

Download Submit
\Windows\SysWOW64\svchcst.exe

Filesize
43KB

MD5
51138beea3e2c21ec44d0932c71762a8

SHA1
8939cf35447b22dd2c6e6f443446acc1bf986d58

SHA256
5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

SHA512
794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

Download Submit

Analysis

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