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
C:\Windows\SysWOW64\240595734.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\\240595734.bat"	look2.exe

Executes dropped EXE 2 IoCs

Processes:

look2.exesvchcst.exe

pid process

376 look2.exe
912 svchcst.exe
Loads dropped DLL 3 IoCs

Processes:

look2.exesvchost.exesvchcst.exe

pid process

376 look2.exe
4236 svchost.exe
912 svchcst.exe

pid	process
376	look2.exe
912	svchcst.exe

pid	process
376	look2.exe
4236	svchost.exe
912	svchcst.exe

Drops file in System32 directory 4 IoCs

Processes:

look2.exesvchost.exe

description	ioc	process
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
File created	C:\Windows\SysWOW64\240595734.bat	look2.exe

Drops file in Program Files directory 1 IoCs

Processes:

798ec0537e4489ada6a0320050a8df9bf037f62a76bede3a3498012e6e04c3bd.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe	798ec0537e4489ada6a0320050a8df9bf037f62a76bede3a3498012e6e04c3bd.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
4952	798ec0537e4489ada6a0320050a8df9bf037f62a76bede3a3498012e6e04c3bd.exe
4952	798ec0537e4489ada6a0320050a8df9bf037f62a76bede3a3498012e6e04c3bd.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

798ec0537e4489ada6a0320050a8df9bf037f62a76bede3a3498012e6e04c3bd.exesvchost.exe

description	pid	process	target process
PID 4952 wrote to memory of 376	4952	798ec0537e4489ada6a0320050a8df9bf037f62a76bede3a3498012e6e04c3bd.exe	look2.exe
PID 4952 wrote to memory of 376	4952	798ec0537e4489ada6a0320050a8df9bf037f62a76bede3a3498012e6e04c3bd.exe	look2.exe
PID 4952 wrote to memory of 376	4952	798ec0537e4489ada6a0320050a8df9bf037f62a76bede3a3498012e6e04c3bd.exe	look2.exe
PID 4236 wrote to memory of 912	4236	svchost.exe	svchcst.exe
PID 4236 wrote to memory of 912	4236	svchost.exe	svchcst.exe
PID 4236 wrote to memory of 912	4236	svchost.exe	svchcst.exe

C:\Users\Admin\AppData\Local\Temp\798ec0537e4489ada6a0320050a8df9bf037f62a76bede3a3498012e6e04c3bd.exe
"C:\Users\Admin\AppData\Local\Temp\798ec0537e4489ada6a0320050a8df9bf037f62a76bede3a3498012e6e04c3bd.exe"
1⤵
- Drops file in Program Files directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4952

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:376

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "svchcst"
1⤵
PID:3692

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:4236

C:\Windows\SysWOW64\svchcst.exe
C:\Windows\system32\svchcst.exe "c:\windows\system32\240595734.bat",MainThread
2⤵
- Executes dropped EXE
- Loads dropped DLL
PID:912

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\RCX33D1.tmp
Filesize
1.6MB

MD5
aa7b1fa79b690b593963dcca32b29596

SHA1
07e6f654c9b0c008886be7c27c3185ca5dca004f

SHA256
9dbb890ef76478ac1a25012c1f75e34f54d3b9c5cfca961a23a010208bed45b9

SHA512
671f81bc5801e074bbf760a1bf936c2036a30c9f575d2cf91bdcfb87629516178088b441fdae2154cf21fcfa78a3434700959f88ebc821eebb287f1b9da013f5

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\240595734.bat
Filesize
51KB

MD5
0047dcac5481b9c0b8e0e5dee227bf8a

SHA1
edc42b03a7427b1eb967c650604301a8db679905

SHA256
c1af4af772070936755b9a9200ec545a6fcf603ac7e12c15fac8cfea25af3a61

SHA512
0216ee0a8780403e1d429ca95201086d802c224abffc04e699dcd95b0af37311c0b4f7f404ff34229ea5cf056892b97e7b5448abc78e808dc197531bc3a6b526

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