gh0strat | 66ee848b9cc4cf115a6afd702948ad1598e70f1d0717077d6aedd10b4b773f87

General

Target
66ee848b9cc4cf115a6afd702948ad1598e70f1d0717077d6aedd10b4b773f87.exe
Size 1.5MB
Sample240510-dsdbfafg3s
SHA256 66ee848b9cc4cf115a6afd702948ad1598e70f1d0717077d6aedd10b4b773f87
MD5 7a96e82ffacf8c2497e48918e012c8a9
SHA1 abfed3e1791729b2149d006154d8030c532bf3b7
SHA512 e74663236a9c1d8f55bfde3baf0b7f4b5b12e725716296097929c6b44895cf18258b98063838e2f3a4ae34da4c6b8ddc65a599c47a0b575be74507088d1711e3
SSDEEP 24576:rYFbkIsaPiXSVnC7Yp9zkNmZG8RRlnQyzHtwzOhXK:rYREXSVMDi3kOZK
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

Malware Config

Signatures

Gh0st RAT payload 1 IoCs

resource	yara_rule
behavioral2/files/0x000800000002326b-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\\240653828.bat"	look2.exe

Executes dropped EXE 2 IoCs

pid	Process
4736	look2.exe
4064	svchcst.exe

Loads dropped DLL 3 IoCs

pid	Process
4736	look2.exe
4136	svchost.exe
4064	svchcst.exe

Drops file in System32 directory 4 IoCs

description	ioc	Process
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
File created	C:\Windows\SysWOW64\240653828.bat	look2.exe

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe	66ee848b9cc4cf115a6afd702948ad1598e70f1d0717077d6aedd10b4b773f87.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
3076	66ee848b9cc4cf115a6afd702948ad1598e70f1d0717077d6aedd10b4b773f87.exe
3076	66ee848b9cc4cf115a6afd702948ad1598e70f1d0717077d6aedd10b4b773f87.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3076 wrote to memory of 4736	3076	66ee848b9cc4cf115a6afd702948ad1598e70f1d0717077d6aedd10b4b773f87.exe	91
PID 3076 wrote to memory of 4736	3076	66ee848b9cc4cf115a6afd702948ad1598e70f1d0717077d6aedd10b4b773f87.exe	91
PID 3076 wrote to memory of 4736	3076	66ee848b9cc4cf115a6afd702948ad1598e70f1d0717077d6aedd10b4b773f87.exe	91
PID 4136 wrote to memory of 4064	4136	svchost.exe	94
PID 4136 wrote to memory of 4064	4136	svchost.exe	94
PID 4136 wrote to memory of 4064	4136	svchost.exe	94

C:\Users\Admin\AppData\Local\Temp\66ee848b9cc4cf115a6afd702948ad1598e70f1d0717077d6aedd10b4b773f87.exe
"C:\Users\Admin\AppData\Local\Temp\66ee848b9cc4cf115a6afd702948ad1598e70f1d0717077d6aedd10b4b773f87.exe"
1⤵
- Drops file in Program Files directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3076
- 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:4736

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "svchcst"
1⤵
PID:564

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:4136
- C:\Windows\SysWOW64\svchcst.exe
  C:\Windows\system32\svchcst.exe "c:\windows\system32\240653828.bat",MainThread
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  PID:4064

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3816 --field-trial-handle=2248,i,10247514684337323751,15511974759131734137,262144 --variations-seed-version /prefetch:8
1⤵
PID:3284

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

HD_X.dat

Path C:\Users\Admin\AppData\Local\Temp\HD_X.dat
Size 1.5MB
SHA256 66ee848b9cc4cf115a6afd702948ad1598e70f1d0717077d6aedd10b4b773f87
MD5 7a96e82ffacf8c2497e48918e012c8a9
SHA1 abfed3e1791729b2149d006154d8030c532bf3b7
SHA512 e74663236a9c1d8f55bfde3baf0b7f4b5b12e725716296097929c6b44895cf18258b98063838e2f3a4ae34da4c6b8ddc65a599c47a0b575be74507088d1711e3
SSDEEP 24576:rYFbkIsaPiXSVnC7Yp9zkNmZG8RRlnQyzHtwzOhXK:rYREXSVMDi3kOZK
MD5 SHA1 SHA512 SSDEEP

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look2.exe

Path C:\Users\Admin\AppData\Local\Temp\look2.exe
Size 337KB
SHA256 86492ebf2d6f471a5ee92977318d099b3ea86175b5b7ae522237ae01d07a4857
MD5 2f3b6f16e33e28ad75f3fdaef2567807
SHA1 85e907340faf1edfc9210db85a04abd43d21b741
SHA512 db17e99e2df918cfc9ccbe934adfe73f0777ce1ce9f28b57a4b24ecd821efe2e0b976a634853247b77b16627d2bb3af4ba20306059d1d25ef38ffada7da3e3a4
SSDEEP 6144:8IXwWcHnNmZEvB7csAPRZyfQjCfA3lMXm4Y+5bFnWBFopJOU:8IXwDNmZEvJcscRZzjCI1O5W
MD5 SHA1 SHA512 SSDEEP

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240653828.bat

Path C:\Windows\SysWOW64\240653828.bat
Size 51KB
SHA256 d5b57777de221b8294cfb414e30b64a1492e9e411d2d6b4c9a85c5022972dc48
MD5 58bdb800d1eec0430450cd9b8bda8536
SHA1 b7318f29f0bfaecadbc54de8f986c040cab691ff
SHA512 5f61183434073eeedc9f51359151fce3226e2a89d67de65ab20095152464ebddd1a5a9dd7ebd5fb896dffd9a682081e2417625df639e589822c27c0ae05f72ef
SSDEEP 1536:1WmqoiBMNbMWtYNif/n9S91BF3frnoLIJYH5:1dWubF3n9S91BF3fbocJYH5
MD5 SHA1 SHA512 SSDEEP

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svchcst.exe

Path C:\Windows\SysWOW64\svchcst.exe
Size 60KB
SHA256 6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910
MD5 889b99c52a60dd49227c5e485a016679
SHA1 8fa889e456aa646a4d0a4349977430ce5fa5e2d7
SHA512 08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641
SSDEEP 1536:H9ykYCTdiHQKrFXmw2RQln5IUmDjoX6+:HlMHprF2nRQln5I
MD5 SHA1 SHA512 SSDEEP

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads