gh0strat | 798ec0537e4489ada6a0320050a8df9bf037f62a76bede3a3498012e6e04c3bd

General

Target

798ec0537e4489ada6a0320050a8df9bf037f62a76bede3a3498012e6e04c3bd.exe
Size

1.6MB
MD5

4cf49ca47c3d232578b803d5ba1ef887
SHA1

fe556c57e96aa99d5e4ced1f622d15244e114035
SHA256

798ec0537e4489ada6a0320050a8df9bf037f62a76bede3a3498012e6e04c3bd
SHA512

42ed6a018fef2c4cd6a17dcd616f39ff879b388b21a3299611244fcb5f96722c165571885c0efca83c76a0b8ce9fd7c2a64d9fee362afc5b131aeccbac80573c
SSDEEP

24576:jYFbkIsaPiXSVnC7Yp9zkNmZG8RRlnByzHnjcDEI:jYREXSVMDi3ceEI

Score

10^/10

gh0strat persistence rat

Malware Config

Signatures

Gh0st RAT payload 1 IoCs

Processes:

resource	yara_rule
\Windows\SysWOW64\259422892.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\\259422892.bat"	look2.exe

Executes dropped EXE 2 IoCs

Processes:

look2.exesvchcst.exe

pid process

2240 look2.exe
2548 svchcst.exe
Loads dropped DLL 5 IoCs

Processes:

798ec0537e4489ada6a0320050a8df9bf037f62a76bede3a3498012e6e04c3bd.exelook2.exesvchost.exesvchcst.exe

pid process

2172 798ec0537e4489ada6a0320050a8df9bf037f62a76bede3a3498012e6e04c3bd.exe
2240 look2.exe
1680 svchost.exe
1680 svchost.exe
2548 svchcst.exe

pid	process
2240	look2.exe
2548	svchcst.exe

Drops file in System32 directory 4 IoCs

Processes:

look2.exesvchost.exe

description	ioc	process
File created	C:\Windows\SysWOW64\259422892.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:

798ec0537e4489ada6a0320050a8df9bf037f62a76bede3a3498012e6e04c3bd.exe

pid	process
2172	798ec0537e4489ada6a0320050a8df9bf037f62a76bede3a3498012e6e04c3bd.exe
2172	798ec0537e4489ada6a0320050a8df9bf037f62a76bede3a3498012e6e04c3bd.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

798ec0537e4489ada6a0320050a8df9bf037f62a76bede3a3498012e6e04c3bd.exesvchost.exe

description	pid	process	target process
PID 2172 wrote to memory of 2240	2172	798ec0537e4489ada6a0320050a8df9bf037f62a76bede3a3498012e6e04c3bd.exe	look2.exe
PID 2172 wrote to memory of 2240	2172	798ec0537e4489ada6a0320050a8df9bf037f62a76bede3a3498012e6e04c3bd.exe	look2.exe
PID 2172 wrote to memory of 2240	2172	798ec0537e4489ada6a0320050a8df9bf037f62a76bede3a3498012e6e04c3bd.exe	look2.exe
PID 2172 wrote to memory of 2240	2172	798ec0537e4489ada6a0320050a8df9bf037f62a76bede3a3498012e6e04c3bd.exe	look2.exe
PID 1680 wrote to memory of 2548	1680	svchost.exe	svchcst.exe
PID 1680 wrote to memory of 2548	1680	svchost.exe	svchcst.exe
PID 1680 wrote to memory of 2548	1680	svchost.exe	svchcst.exe
PID 1680 wrote to memory of 2548	1680	svchost.exe	svchcst.exe

C:\Users\Admin\AppData\Local\Temp\798ec0537e4489ada6a0320050a8df9bf037f62a76bede3a3498012e6e04c3bd.exe
"C:\Users\Admin\AppData\Local\Temp\798ec0537e4489ada6a0320050a8df9bf037f62a76bede3a3498012e6e04c3bd.exe"
1⤵
- Loads dropped DLL
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2172

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:2240

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "svchcst"
1⤵
PID:2232

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:1680

C:\Windows\SysWOW64\svchcst.exe
C:\Windows\system32\svchcst.exe "c:\windows\system32\259422892.bat",MainThread
2⤵
- Executes dropped EXE
- Loads dropped DLL
PID:2548

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

Replay Monitor

Loading Replay Monitor...

Downloads

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

Filesize
337KB

MD5
2f3b6f16e33e28ad75f3fdaef2567807

SHA1
85e907340faf1edfc9210db85a04abd43d21b741

SHA256
86492ebf2d6f471a5ee92977318d099b3ea86175b5b7ae522237ae01d07a4857

SHA512
db17e99e2df918cfc9ccbe934adfe73f0777ce1ce9f28b57a4b24ecd821efe2e0b976a634853247b77b16627d2bb3af4ba20306059d1d25ef38ffada7da3e3a4

Download Submit
\Windows\SysWOW64\259422892.bat

Filesize
51KB

MD5
0047dcac5481b9c0b8e0e5dee227bf8a

SHA1
edc42b03a7427b1eb967c650604301a8db679905

SHA256
c1af4af772070936755b9a9200ec545a6fcf603ac7e12c15fac8cfea25af3a61

SHA512
0216ee0a8780403e1d429ca95201086d802c224abffc04e699dcd95b0af37311c0b4f7f404ff34229ea5cf056892b97e7b5448abc78e808dc197531bc3a6b526

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

Replay Monitor

Loading Replay Monitor...

Downloads