gh0strat | 94b91a12bc4369f6d14d80eb55cb02b91ff5ebe771ce42eae56685af3e74c806

General

Target

94b91a12bc4369f6d14d80eb55cb02b91ff5ebe771ce42eae56685af3e74c806.exe
Size

1.2MB
MD5

96302b0a3475284cd1db513ab7162c49
SHA1

ad7f9f9f88460953efab56d09dcf25309dc8a8e7
SHA256

94b91a12bc4369f6d14d80eb55cb02b91ff5ebe771ce42eae56685af3e74c806
SHA512

dd9d6e07307407e0197cafba03ebb431c1429d14eac90ae21de724524f269abf2ed0887096ab3e88792fe27650ad3379e7b945244a2ebb6ed3bc657f1fa9ec17
SSDEEP

24576:ZYFbkIsaPiXSVnC7Yp9zkNmZG8RRlncyzXFw:ZYREXSVMDi3jFw

Score

10^/10

gh0strat persistence rat

Malware Config

Signatures

Gh0st RAT payload 1 IoCs

Processes:

resource	yara_rule
C:\Windows\SysWOW64\240597781.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\\240597781.bat"	look2.exe

Executes dropped EXE 2 IoCs

Processes:

look2.exesvchcst.exe

pid process

3116 look2.exe
3556 svchcst.exe
Loads dropped DLL 3 IoCs

Processes:

look2.exesvchost.exesvchcst.exe

pid process

3116 look2.exe
1344 svchost.exe
3556 svchcst.exe

pid	process
3116	look2.exe
3556	svchcst.exe

pid	process
3116	look2.exe
1344	svchost.exe
3556	svchcst.exe

Drops file in System32 directory 4 IoCs

Processes:

look2.exesvchost.exe

description	ioc	process
File created	C:\Windows\SysWOW64\240597781.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

Processes:

94b91a12bc4369f6d14d80eb55cb02b91ff5ebe771ce42eae56685af3e74c806.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe	94b91a12bc4369f6d14d80eb55cb02b91ff5ebe771ce42eae56685af3e74c806.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:

94b91a12bc4369f6d14d80eb55cb02b91ff5ebe771ce42eae56685af3e74c806.exe

pid	process
4744	94b91a12bc4369f6d14d80eb55cb02b91ff5ebe771ce42eae56685af3e74c806.exe
4744	94b91a12bc4369f6d14d80eb55cb02b91ff5ebe771ce42eae56685af3e74c806.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

94b91a12bc4369f6d14d80eb55cb02b91ff5ebe771ce42eae56685af3e74c806.exesvchost.exe

description	pid	process	target process
PID 4744 wrote to memory of 3116	4744	94b91a12bc4369f6d14d80eb55cb02b91ff5ebe771ce42eae56685af3e74c806.exe	look2.exe
PID 4744 wrote to memory of 3116	4744	94b91a12bc4369f6d14d80eb55cb02b91ff5ebe771ce42eae56685af3e74c806.exe	look2.exe
PID 4744 wrote to memory of 3116	4744	94b91a12bc4369f6d14d80eb55cb02b91ff5ebe771ce42eae56685af3e74c806.exe	look2.exe
PID 1344 wrote to memory of 3556	1344	svchost.exe	svchcst.exe
PID 1344 wrote to memory of 3556	1344	svchost.exe	svchcst.exe
PID 1344 wrote to memory of 3556	1344	svchost.exe	svchcst.exe

C:\Users\Admin\AppData\Local\Temp\94b91a12bc4369f6d14d80eb55cb02b91ff5ebe771ce42eae56685af3e74c806.exe
"C:\Users\Admin\AppData\Local\Temp\94b91a12bc4369f6d14d80eb55cb02b91ff5ebe771ce42eae56685af3e74c806.exe"
1⤵
- Drops file in Program Files directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4744

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:3116

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "svchcst"
1⤵
PID:1280

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:1344

C:\Windows\SysWOW64\svchcst.exe
C:\Windows\system32\svchcst.exe "c:\windows\system32\240597781.bat",MainThread
2⤵
- Executes dropped EXE
- Loads dropped DLL
PID:3556

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
1.2MB

MD5
96302b0a3475284cd1db513ab7162c49

SHA1
ad7f9f9f88460953efab56d09dcf25309dc8a8e7

SHA256
94b91a12bc4369f6d14d80eb55cb02b91ff5ebe771ce42eae56685af3e74c806

SHA512
dd9d6e07307407e0197cafba03ebb431c1429d14eac90ae21de724524f269abf2ed0887096ab3e88792fe27650ad3379e7b945244a2ebb6ed3bc657f1fa9ec17

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\240597781.bat

Filesize
51KB

MD5
77250dd73a4cfa95dabb7d30600daaf9

SHA1
241d06a94a363798fbf3de4e605d21716bb17180

SHA256
7fc83222fd0b1edc7e89a11f4728ac31115e8f3f61737f914e7ac2e1144f97fd

SHA512
b8f9e253b01f2c7992b44792857b362f96724312cbe63c30d8cd7767a214dfa8cc12954818dc42ee5d4f506055b5f602900041b4d7309edb70d78cf7ee94e865

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