gh0strat | 23049cfdc6c0256c7637001634a3635b583a3a34c08491c3d65083b98aac05fd

General

Target

23049cfdc6c0256c7637001634a3635b583a3a34c08491c3d65083b98aac05fd.exe
Size

1.2MB
MD5

ee541b99f9f160d2714f39db2a39ee21
SHA1

be1dadc562831116701174b586524beb63b44c04
SHA256

23049cfdc6c0256c7637001634a3635b583a3a34c08491c3d65083b98aac05fd
SHA512

187476add0620994594d5419f728b9278eb561a0b4d7f762edfd254bb02d5d47e8ef8a2efc77c13ad5de267bee46cf62d9f335a04a8ef861b7b390a470c30d87
SSDEEP

24576:KYFbkIsaPiXSVnC7Yp9zkNmZG8RRlnhyzfgugEnoSE5GO:KYREXSVMDi3OgEnoSE5p

Score

10^/10

gh0strat persistence rat

Malware Config

Signatures

Gh0st RAT payload 1 IoCs

Processes:

resource	yara_rule
\Windows\SysWOW64\259401161.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\\259401161.bat"	look2.exe

Executes dropped EXE 2 IoCs

Processes:

look2.exesvchcst.exe

pid process

1740 look2.exe
2608 svchcst.exe
Loads dropped DLL 5 IoCs

Processes:

23049cfdc6c0256c7637001634a3635b583a3a34c08491c3d65083b98aac05fd.exelook2.exesvchost.exesvchcst.exe

pid process

1844 23049cfdc6c0256c7637001634a3635b583a3a34c08491c3d65083b98aac05fd.exe
1740 look2.exe
3040 svchost.exe
3040 svchost.exe
2608 svchcst.exe

pid	process
1740	look2.exe
2608	svchcst.exe

Drops file in System32 directory 4 IoCs

Processes:

svchost.exelook2.exe

description	ioc	process
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\259401161.bat	look2.exe
File opened for modification	C:\Windows\SysWOW64\ini.ini	look2.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:

23049cfdc6c0256c7637001634a3635b583a3a34c08491c3d65083b98aac05fd.exe

pid	process
1844	23049cfdc6c0256c7637001634a3635b583a3a34c08491c3d65083b98aac05fd.exe
1844	23049cfdc6c0256c7637001634a3635b583a3a34c08491c3d65083b98aac05fd.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

23049cfdc6c0256c7637001634a3635b583a3a34c08491c3d65083b98aac05fd.exesvchost.exe

description	pid	process	target process
PID 1844 wrote to memory of 1740	1844	23049cfdc6c0256c7637001634a3635b583a3a34c08491c3d65083b98aac05fd.exe	look2.exe
PID 1844 wrote to memory of 1740	1844	23049cfdc6c0256c7637001634a3635b583a3a34c08491c3d65083b98aac05fd.exe	look2.exe
PID 1844 wrote to memory of 1740	1844	23049cfdc6c0256c7637001634a3635b583a3a34c08491c3d65083b98aac05fd.exe	look2.exe
PID 1844 wrote to memory of 1740	1844	23049cfdc6c0256c7637001634a3635b583a3a34c08491c3d65083b98aac05fd.exe	look2.exe
PID 3040 wrote to memory of 2608	3040	svchost.exe	svchcst.exe
PID 3040 wrote to memory of 2608	3040	svchost.exe	svchcst.exe
PID 3040 wrote to memory of 2608	3040	svchost.exe	svchcst.exe
PID 3040 wrote to memory of 2608	3040	svchost.exe	svchcst.exe

C:\Users\Admin\AppData\Local\Temp\23049cfdc6c0256c7637001634a3635b583a3a34c08491c3d65083b98aac05fd.exe
"C:\Users\Admin\AppData\Local\Temp\23049cfdc6c0256c7637001634a3635b583a3a34c08491c3d65083b98aac05fd.exe"
1⤵
- Loads dropped DLL
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1844

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:1740

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "svchcst"
1⤵
PID:3052

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:3040

C:\Windows\SysWOW64\svchcst.exe
C:\Windows\system32\svchcst.exe "c:\windows\system32\259401161.bat",MainThread
2⤵
- Executes dropped EXE
- Loads dropped DLL
PID:2608

Network

MITRE ATT&CK Matrix ATT&CK v13

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

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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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\259401161.bat
Filesize
51KB

MD5
2def2ac286d3427dd48ffe608c94de88

SHA1
3ae9b9eaa0be2518b5b0779bed1dd52d72e557e2

SHA256
5cab79f91638383993c31f364f01056727ee05abc81af59788cca41bf24580f0

SHA512
928f83cd8dcbc9ead2fccba033f641e6c750f6ff319ff863734e7a44f5f3e33ebfcc4a2f69684cf7ff96c7d34e00a453e5be20e09614cdd213e4c51372744751

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 Matrix ATT&CK v13

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Downloads