gh0strat | b075f54ef4e392609ba592e04a8504406709285e580e057118e6ed854ca77c7d

Analysis

max time kernel
145s
max time network
145s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
03/07/2024, 06:27

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General

Target

b075f54ef4e392609ba592e04a8504406709285e580e057118e6ed854ca77c7d.exe
Size

1.9MB
MD5

b425cc13ec814b09c978b5e4b6cbae12
SHA1

ba252158392901d3b72653eb90c1a807332ac5c2
SHA256

b075f54ef4e392609ba592e04a8504406709285e580e057118e6ed854ca77c7d
SHA512

bd629e93184f9798f9dd78e14e4aec563d0875b935e3496c28d0f0b74927be8d61c13d7938664e7ae2acf700aad742385a3f215f2c067e9f4b55781298b984a0
SSDEEP

24576:qYFbkIsaPiXSVnC7Yp9zkNmZG8RRlngyzHtf2jsCE:qYREXSVMDi3gzE

Score

10^/10

gh0strat persistence rat

Malware Config

Signatures

Gh0st RAT payload 1 IoCs

resource	yara_rule
behavioral2/files/0x0007000000023443-5.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

Server Software Component: Terminal Services DLL 1 TTPs 1 IoCs

persistence

Terminal Services DLL

T1505.005

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\svchcst\Parameters\ServiceDll = "C:\\Windows\\system32\\240600406.bat"	look2.exe

Executes dropped EXE 2 IoCs

pid	Process
3884	look2.exe
3732	svchcst.exe

Loads dropped DLL 3 IoCs

pid	Process
3884	look2.exe
880	svchost.exe
3732	svchcst.exe

Drops file in System32 directory 4 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\240600406.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	b075f54ef4e392609ba592e04a8504406709285e580e057118e6ed854ca77c7d.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
4976	b075f54ef4e392609ba592e04a8504406709285e580e057118e6ed854ca77c7d.exe
4976	b075f54ef4e392609ba592e04a8504406709285e580e057118e6ed854ca77c7d.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4976 wrote to memory of 3884	4976	b075f54ef4e392609ba592e04a8504406709285e580e057118e6ed854ca77c7d.exe	80
PID 4976 wrote to memory of 3884	4976	b075f54ef4e392609ba592e04a8504406709285e580e057118e6ed854ca77c7d.exe	80
PID 4976 wrote to memory of 3884	4976	b075f54ef4e392609ba592e04a8504406709285e580e057118e6ed854ca77c7d.exe	80
PID 880 wrote to memory of 3732	880	svchost.exe	84
PID 880 wrote to memory of 3732	880	svchost.exe	84
PID 880 wrote to memory of 3732	880	svchost.exe	84

C:\Users\Admin\AppData\Local\Temp\b075f54ef4e392609ba592e04a8504406709285e580e057118e6ed854ca77c7d.exe
"C:\Users\Admin\AppData\Local\Temp\b075f54ef4e392609ba592e04a8504406709285e580e057118e6ed854ca77c7d.exe"
1⤵
- Drops file in Program Files directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4976
- C:\Users\Admin\AppData\Local\Temp\look2.exe
  C:\Users\Admin\AppData\Local\Temp\\look2.exe
  2⤵
  - Server Software Component: Terminal Services DLL
  - Executes dropped EXE
  - Loads dropped DLL
  - Drops file in System32 directory
  PID:3884

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "svchcst"
1⤵
PID:3444

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:880
- C:\Windows\SysWOW64\svchcst.exe
  C:\Windows\system32\svchcst.exe "c:\windows\system32\240600406.bat",MainThread
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  PID:3732

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Server Software Component

T1505

Terminal Services DLL

T1505.005

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

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

Filesize
1.9MB

MD5
b425cc13ec814b09c978b5e4b6cbae12

SHA1
ba252158392901d3b72653eb90c1a807332ac5c2

SHA256
b075f54ef4e392609ba592e04a8504406709285e580e057118e6ed854ca77c7d

SHA512
bd629e93184f9798f9dd78e14e4aec563d0875b935e3496c28d0f0b74927be8d61c13d7938664e7ae2acf700aad742385a3f215f2c067e9f4b55781298b984a0

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\240600406.bat

Filesize
51KB

MD5
7fa25ffa0af5c7daac6a4e73e766a63c

SHA1
0d8594149e6c49aa96fbc5461f7c38125eb58eca

SHA256
e7c7aa4eb4190bb28474462846a5cdcc9f916533b9dd5380f46d90f3983d4fa2

SHA512
746c724c2d8d00bc2b0c2da7e10c6c0e0d3c384036c69cfd016b213bb823ca882a86b8297c2888d620aa99f2bdbf548487bfad21002b9bf543a3e57a39b17862

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

Filesize
60KB

MD5
889b99c52a60dd49227c5e485a016679

SHA1
8fa889e456aa646a4d0a4349977430ce5fa5e2d7

SHA256
6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

SHA512
08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641

Download Submit