gh0strat | 6757931a35277fd29ac23ebfb94850578c22918394f4e79325d5a93078092769

General

Target

6757931a35277fd29ac23ebfb94850578c22918394f4e79325d5a93078092769.exe
Size

1.2MB
MD5

125df070ea1ae9c6c0919998b46d9dfa
SHA1

ee0220cb1f18c48c5291aa602872e2eb4ee5aac5
SHA256

6757931a35277fd29ac23ebfb94850578c22918394f4e79325d5a93078092769
SHA512

b622626e4402894f2b7348aeee883e448513991d91c8d2ce34ca67db9b36fcc268f0ab8bdabd7850d975593d5d9991c4829cae4819812dcf1932bf34109dc509
SSDEEP

24576:BYFbkIsaPiXSVnC7Yp9zkNmZG8RRlnMyzcjzV/EE:BYREXSVMDi3wjzlEE

Score

10^/10

Malware Config

Signatures

Gh0st RAT payload 1 IoCs

resource	yara_rule
behavioral1/files/0x000700000002429e-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\\240609328.bat"	look2.exe

Executes dropped EXE 2 IoCs

pid	Process
2964	look2.exe
4976	svchcst.exe

Loads dropped DLL 3 IoCs

pid	Process
2964	look2.exe
2280	svchost.exe
4976	svchcst.exe

Drops file in System32 directory 4 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\240609328.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)\Microsoft\Edge\Application\msedge.exe	6757931a35277fd29ac23ebfb94850578c22918394f4e79325d5a93078092769.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	6757931a35277fd29ac23ebfb94850578c22918394f4e79325d5a93078092769.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
5840	6757931a35277fd29ac23ebfb94850578c22918394f4e79325d5a93078092769.exe
5840	6757931a35277fd29ac23ebfb94850578c22918394f4e79325d5a93078092769.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 5840 wrote to memory of 2964	5840	6757931a35277fd29ac23ebfb94850578c22918394f4e79325d5a93078092769.exe	85
PID 5840 wrote to memory of 2964	5840	6757931a35277fd29ac23ebfb94850578c22918394f4e79325d5a93078092769.exe	85
PID 5840 wrote to memory of 2964	5840	6757931a35277fd29ac23ebfb94850578c22918394f4e79325d5a93078092769.exe	85
PID 2280 wrote to memory of 4976	2280	svchost.exe	95
PID 2280 wrote to memory of 4976	2280	svchost.exe	95
PID 2280 wrote to memory of 4976	2280	svchost.exe	95

C:\Users\Admin\AppData\Local\Temp\6757931a35277fd29ac23ebfb94850578c22918394f4e79325d5a93078092769.exe
"C:\Users\Admin\AppData\Local\Temp\6757931a35277fd29ac23ebfb94850578c22918394f4e79325d5a93078092769.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:5840
- 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:2964

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "svchcst"
1⤵
PID:2108

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:2280
- C:\Windows\SysWOW64\svchcst.exe
  C:\Windows\system32\svchcst.exe "c:\windows\system32\240609328.bat",MainThread
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  PID:4976

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
1.2MB

MD5
125df070ea1ae9c6c0919998b46d9dfa

SHA1
ee0220cb1f18c48c5291aa602872e2eb4ee5aac5

SHA256
6757931a35277fd29ac23ebfb94850578c22918394f4e79325d5a93078092769

SHA512
b622626e4402894f2b7348aeee883e448513991d91c8d2ce34ca67db9b36fcc268f0ab8bdabd7850d975593d5d9991c4829cae4819812dcf1932bf34109dc509

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

Filesize
337KB

MD5
2f3b6f16e33e28ad75f3fdaef2567807

SHA1
85e907340faf1edfc9210db85a04abd43d21b741

SHA256
86492ebf2d6f471a5ee92977318d099b3ea86175b5b7ae522237ae01d07a4857

SHA512
db17e99e2df918cfc9ccbe934adfe73f0777ce1ce9f28b57a4b24ecd821efe2e0b976a634853247b77b16627d2bb3af4ba20306059d1d25ef38ffada7da3e3a4

Download Submit
C:\Windows\SysWOW64\240609328.bat

Filesize
51KB

MD5
d149a69ba0a9f297af28d31c2fab9be2

SHA1
965fa11c021e04a9e32e7df354aa4975525a960b

SHA256
2b6d8ad5ed56149bbd36ccbdc0468435173e0278f9159f5f04edf496940559b8

SHA512
ea6e586a015cab123236f043780f3b3b5af82d628e4bbd014ee5a36344f4d74afc17d5a21a2b0d7d52052340f018ca2949f1b128e3d9882bc2da1b1c24079b64

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

Filesize
60KB

MD5
889b99c52a60dd49227c5e485a016679

SHA1
8fa889e456aa646a4d0a4349977430ce5fa5e2d7

SHA256
6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

SHA512
08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641

Download Submit

Analysis

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