gh0strat | 8ff3b94b8d3e1d5d93a0e1a90e32fc2ede5438a7bb42a5d797daf539eecb6afa

General

Target

8ff3b94b8d3e1d5d93a0e1a90e32fc2ede5438a7bb42a5d797daf539eecb6afa.exe
Size

1.1MB
MD5

ad92c0db80ec5bb70f8471628d7dbf2c
SHA1

7da664265fd79ac7aca2b7ba0c1004c0d8d9e35c
SHA256

8ff3b94b8d3e1d5d93a0e1a90e32fc2ede5438a7bb42a5d797daf539eecb6afa
SHA512

253b8c073445af83e45a480d413e93bc28762539e783e3986336f76a1f572ae85aeb4f32dda0f3e8f2161dbc4f532ac5cf785d05c90341a7cafd9859ec11946b
SSDEEP

24576:WYFbkIsaPiXSVnC7Yp9zkNmZG8RRlnMyzqSuS:WYREXSVMDi326

Score

10^/10

Malware Config

Signatures

Gh0st RAT payload 1 IoCs

resource	yara_rule
behavioral2/files/0x000800000002344e-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

Sets DLL path for service in the registry 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\svchcst\Parameters\ServiceDll = "C:\\Windows\\system32\\240603140.bat"	look2.exe

Executes dropped EXE 2 IoCs

pid	Process
1556	look2.exe
1552	svchcst.exe

Loads dropped DLL 3 IoCs

pid	Process
1556	look2.exe
3888	svchost.exe
1552	svchcst.exe

Drops file in System32 directory 4 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\240603140.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	8ff3b94b8d3e1d5d93a0e1a90e32fc2ede5438a7bb42a5d797daf539eecb6afa.exe

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

System Information Discovery
T1082

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
264	8ff3b94b8d3e1d5d93a0e1a90e32fc2ede5438a7bb42a5d797daf539eecb6afa.exe
264	8ff3b94b8d3e1d5d93a0e1a90e32fc2ede5438a7bb42a5d797daf539eecb6afa.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 264 wrote to memory of 1556	264	8ff3b94b8d3e1d5d93a0e1a90e32fc2ede5438a7bb42a5d797daf539eecb6afa.exe	83
PID 264 wrote to memory of 1556	264	8ff3b94b8d3e1d5d93a0e1a90e32fc2ede5438a7bb42a5d797daf539eecb6afa.exe	83
PID 264 wrote to memory of 1556	264	8ff3b94b8d3e1d5d93a0e1a90e32fc2ede5438a7bb42a5d797daf539eecb6afa.exe	83
PID 3888 wrote to memory of 1552	3888	svchost.exe	93
PID 3888 wrote to memory of 1552	3888	svchost.exe	93
PID 3888 wrote to memory of 1552	3888	svchost.exe	93

C:\Users\Admin\AppData\Local\Temp\8ff3b94b8d3e1d5d93a0e1a90e32fc2ede5438a7bb42a5d797daf539eecb6afa.exe
"C:\Users\Admin\AppData\Local\Temp\8ff3b94b8d3e1d5d93a0e1a90e32fc2ede5438a7bb42a5d797daf539eecb6afa.exe"
1⤵
- Drops file in Program Files directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:264
- C:\Users\Admin\AppData\Local\Temp\look2.exe
  C:\Users\Admin\AppData\Local\Temp\\look2.exe
  2⤵
  - Sets DLL path for service in the registry
  - Executes dropped EXE
  - Loads dropped DLL
  - Drops file in System32 directory
  PID:1556

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "svchcst"
1⤵
PID:2500

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "svchcst"
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:3888
- C:\Windows\SysWOW64\svchcst.exe
  C:\Windows\system32\svchcst.exe "c:\windows\system32\240603140.bat",MainThread
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  PID:1552

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

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

Filesize
1.1MB

MD5
ad92c0db80ec5bb70f8471628d7dbf2c

SHA1
7da664265fd79ac7aca2b7ba0c1004c0d8d9e35c

SHA256
8ff3b94b8d3e1d5d93a0e1a90e32fc2ede5438a7bb42a5d797daf539eecb6afa

SHA512
253b8c073445af83e45a480d413e93bc28762539e783e3986336f76a1f572ae85aeb4f32dda0f3e8f2161dbc4f532ac5cf785d05c90341a7cafd9859ec11946b

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\240603140.bat

Filesize
51KB

MD5
a2773eba06001a11095c038034a138c9

SHA1
5d20974f2bb255ca1d87b6131939b9b234036d16

SHA256
a319208cd723c18964976516592ac1f3673d2647f7dd25bbf08f5ad75e238e47

SHA512
d544c02b6757d169b7fbf4d95afd1281bae5edd8bac061a79cdcb13bdadf0b0e39e014c3fc62e4eae16ae006d0be1daa9738bcfbc9c18a1b3c69dd24669d3cec

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

Filesize
60KB

MD5
889b99c52a60dd49227c5e485a016679

SHA1
8fa889e456aa646a4d0a4349977430ce5fa5e2d7

SHA256
6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

SHA512
08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads