gh0strat | 545c41db25884341f8ecb0a8b50fe3b91c82bf344273da511156e85466dd39da

General

Target

545c41db25884341f8ecb0a8b50fe3b91c82bf344273da511156e85466dd39da.exe
Size

1.2MB
MD5

b94fcd071be452b5389a91b21b497e84
SHA1

1554edc69db85077a25e2bfdcca358bf1d32f9d1
SHA256

545c41db25884341f8ecb0a8b50fe3b91c82bf344273da511156e85466dd39da
SHA512

bc9cb8a3a2a21d966cb4e0a391328f720fc46bd5ac605a9ff0937f9e8899b85560b79a781956511c7a12b22a2c29eaa5b1298b361bd8f2b700ece9a880d56fb3
SSDEEP

24576:FYFbkIsaPiXSVnC7Yp9zkNmZG8RRlnhyzh5G:FYREXSVMDi34G

Score

10^/10

gh0strat persistence rat

Malware Config

Signatures

Gh0st RAT payload 1 IoCs

Processes:

resource	yara_rule
\Windows\SysWOW64\259395826.bat	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

Processes:

look2.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\svchcst\Parameters\ServiceDll = "C:\\Windows\\system32\\259395826.bat"	look2.exe

Executes dropped EXE 2 IoCs

Processes:

look2.exesvchcst.exe

pid process

2992 look2.exe
2292 svchcst.exe
Loads dropped DLL 5 IoCs

Processes:

545c41db25884341f8ecb0a8b50fe3b91c82bf344273da511156e85466dd39da.exelook2.exesvchost.exesvchcst.exe

pid process

624 545c41db25884341f8ecb0a8b50fe3b91c82bf344273da511156e85466dd39da.exe
2992 look2.exe
3004 svchost.exe
3004 svchost.exe
2292 svchcst.exe

pid	process
2992	look2.exe
2292	svchcst.exe

Drops file in System32 directory 4 IoCs

Processes:

look2.exesvchost.exe

description	ioc	process
File created	C:\Windows\SysWOW64\259395826.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

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

545c41db25884341f8ecb0a8b50fe3b91c82bf344273da511156e85466dd39da.exe

pid	process
624	545c41db25884341f8ecb0a8b50fe3b91c82bf344273da511156e85466dd39da.exe
624	545c41db25884341f8ecb0a8b50fe3b91c82bf344273da511156e85466dd39da.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

545c41db25884341f8ecb0a8b50fe3b91c82bf344273da511156e85466dd39da.exesvchost.exe

description	pid	process	target process
PID 624 wrote to memory of 2992	624	545c41db25884341f8ecb0a8b50fe3b91c82bf344273da511156e85466dd39da.exe	look2.exe
PID 624 wrote to memory of 2992	624	545c41db25884341f8ecb0a8b50fe3b91c82bf344273da511156e85466dd39da.exe	look2.exe
PID 624 wrote to memory of 2992	624	545c41db25884341f8ecb0a8b50fe3b91c82bf344273da511156e85466dd39da.exe	look2.exe
PID 624 wrote to memory of 2992	624	545c41db25884341f8ecb0a8b50fe3b91c82bf344273da511156e85466dd39da.exe	look2.exe
PID 3004 wrote to memory of 2292	3004	svchost.exe	svchcst.exe
PID 3004 wrote to memory of 2292	3004	svchost.exe	svchcst.exe
PID 3004 wrote to memory of 2292	3004	svchost.exe	svchcst.exe
PID 3004 wrote to memory of 2292	3004	svchost.exe	svchcst.exe

C:\Users\Admin\AppData\Local\Temp\545c41db25884341f8ecb0a8b50fe3b91c82bf344273da511156e85466dd39da.exe
"C:\Users\Admin\AppData\Local\Temp\545c41db25884341f8ecb0a8b50fe3b91c82bf344273da511156e85466dd39da.exe"
1⤵
- Loads dropped DLL
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:624

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:2992

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "svchcst"
1⤵
PID:2224

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:3004

C:\Windows\SysWOW64\svchcst.exe
C:\Windows\system32\svchcst.exe "c:\windows\system32\259395826.bat",MainThread
2⤵
- Executes dropped EXE
- Loads dropped DLL
PID:2292

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

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

Filesize
337KB

MD5
2f3b6f16e33e28ad75f3fdaef2567807

SHA1
85e907340faf1edfc9210db85a04abd43d21b741

SHA256
86492ebf2d6f471a5ee92977318d099b3ea86175b5b7ae522237ae01d07a4857

SHA512
db17e99e2df918cfc9ccbe934adfe73f0777ce1ce9f28b57a4b24ecd821efe2e0b976a634853247b77b16627d2bb3af4ba20306059d1d25ef38ffada7da3e3a4

Download Submit
\Windows\SysWOW64\259395826.bat

Filesize
51KB

MD5
a79f87e1a7609d6a873842a637604812

SHA1
0837974cee4acf644ecf96d4846230473b418084

SHA256
4c5335a1912f1a0099f4538e943e40467dd6ef1b6f54d2c6cf393081ed12b41f

SHA512
ef09db30f9572528d51c76d2022fd084b8e663d967eabe95b595b36f45db2d350924abd8e73e8867bd3e5e445692831b09fbc5b46537cab43b8226b74e4fc810

Download Submit
\Windows\SysWOW64\svchcst.exe

Filesize
43KB

MD5
51138beea3e2c21ec44d0932c71762a8

SHA1
8939cf35447b22dd2c6e6f443446acc1bf986d58

SHA256
5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

SHA512
794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads