gh0strat | ad70b5db7939e087606d5cf4cca39846886bf40c7377c4c7a4583d282c81fb2e

General

Target

ad70b5db7939e087606d5cf4cca39846886bf40c7377c4c7a4583d282c81fb2e.exe
Size

1.4MB
MD5

630ed53c9019a774b97c00c8bce42a77
SHA1

01a0f37f6f48a432aee71ebe92bc44940aca56a0
SHA256

ad70b5db7939e087606d5cf4cca39846886bf40c7377c4c7a4583d282c81fb2e
SHA512

238e36e63fe71b014481c4184f9ea6af9c0423d9b2e17eeb28e7ca4b29456f44d324f899d4e490eb5d7a971b7f02ff276f43e6b18b9898c2e8806911b771aa0d
SSDEEP

24576:dYFbkIsaPiXSVnC7Yp9zkNmZG8RRln5yzHJG:dYREXSVMDi3WG

Score

10^/10

gh0strat persistence rat

Malware Config

Signatures

Gh0st RAT payload 1 IoCs

Processes:

resource	yara_rule
\Windows\SysWOW64\259425435.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\\259425435.bat"	look2.exe

Executes dropped EXE 2 IoCs

Processes:

look2.exesvchcst.exe

pid process

1880 look2.exe
2536 svchcst.exe
Loads dropped DLL 5 IoCs

Processes:

ad70b5db7939e087606d5cf4cca39846886bf40c7377c4c7a4583d282c81fb2e.exelook2.exesvchost.exesvchcst.exe

pid process

2264 ad70b5db7939e087606d5cf4cca39846886bf40c7377c4c7a4583d282c81fb2e.exe
1880 look2.exe
2900 svchost.exe
2900 svchost.exe
2536 svchcst.exe

pid	process
1880	look2.exe
2536	svchcst.exe

Drops file in System32 directory 4 IoCs

Processes:

svchost.exelook2.exe

description	ioc	process
File opened for modification	C:\Windows\SysWOW64\svchcst.exe	svchost.exe
File created	C:\Windows\SysWOW64\259425435.bat	look2.exe
File opened for modification	C:\Windows\SysWOW64\ini.ini	look2.exe
File created	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:

ad70b5db7939e087606d5cf4cca39846886bf40c7377c4c7a4583d282c81fb2e.exe

pid	process
2264	ad70b5db7939e087606d5cf4cca39846886bf40c7377c4c7a4583d282c81fb2e.exe
2264	ad70b5db7939e087606d5cf4cca39846886bf40c7377c4c7a4583d282c81fb2e.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

ad70b5db7939e087606d5cf4cca39846886bf40c7377c4c7a4583d282c81fb2e.exesvchost.exe

description	pid	process	target process
PID 2264 wrote to memory of 1880	2264	ad70b5db7939e087606d5cf4cca39846886bf40c7377c4c7a4583d282c81fb2e.exe	look2.exe
PID 2264 wrote to memory of 1880	2264	ad70b5db7939e087606d5cf4cca39846886bf40c7377c4c7a4583d282c81fb2e.exe	look2.exe
PID 2264 wrote to memory of 1880	2264	ad70b5db7939e087606d5cf4cca39846886bf40c7377c4c7a4583d282c81fb2e.exe	look2.exe
PID 2264 wrote to memory of 1880	2264	ad70b5db7939e087606d5cf4cca39846886bf40c7377c4c7a4583d282c81fb2e.exe	look2.exe
PID 2900 wrote to memory of 2536	2900	svchost.exe	svchcst.exe
PID 2900 wrote to memory of 2536	2900	svchost.exe	svchcst.exe
PID 2900 wrote to memory of 2536	2900	svchost.exe	svchcst.exe
PID 2900 wrote to memory of 2536	2900	svchost.exe	svchcst.exe

C:\Users\Admin\AppData\Local\Temp\ad70b5db7939e087606d5cf4cca39846886bf40c7377c4c7a4583d282c81fb2e.exe
"C:\Users\Admin\AppData\Local\Temp\ad70b5db7939e087606d5cf4cca39846886bf40c7377c4c7a4583d282c81fb2e.exe"
1⤵
- Loads dropped DLL
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2264

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:1880

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "svchcst"
1⤵
PID:2052

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:2900

C:\Windows\SysWOW64\svchcst.exe
C:\Windows\system32\svchcst.exe "c:\windows\system32\259425435.bat",MainThread
2⤵
- Executes dropped EXE
- Loads dropped DLL
PID:2536

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\259425435.bat

Filesize
51KB

MD5
054bebd5589ff6a9434071b9ed70ac21

SHA1
905430cb32f995ac3ce40843b2c993fe5ea3ac21

SHA256
1199eb7041e11b71e86d34befa762d781a7c0e4ca5af591f6e455e7f38015530

SHA512
e09f9a97b41b6fac387d9f9aec59c69f8b9144a5276f447632329b77cfed585ea9da49553704da0fcd576ddfb730e986df3e597a70fefed6329ee1de25aa5647

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