Malware Analysis Report

2025-01-22 14:43

Sample ID 240603-3gz4hada7w
Target 345764da5055ceb70c2e069491ce43c914003d7624ae65614be6b0adf9de8c91
SHA256 345764da5055ceb70c2e069491ce43c914003d7624ae65614be6b0adf9de8c91
Tags
gh0strat persistence rat
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

345764da5055ceb70c2e069491ce43c914003d7624ae65614be6b0adf9de8c91

Threat Level: Known bad

The file 345764da5055ceb70c2e069491ce43c914003d7624ae65614be6b0adf9de8c91 was found to be: Known bad.

Malicious Activity Summary

gh0strat persistence rat

Gh0strat

Gh0st RAT payload

Sets DLL path for service in the registry

Loads dropped DLL

Executes dropped EXE

Drops file in System32 directory

Drops file in Program Files directory

Enumerates physical storage devices

Unsigned PE

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-03 23:29

Signatures

Unsigned PE

Description Indicator Process Target
N/A N/A N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-03 23:29

Reported

2024-06-03 23:32

Platform

win7-20240221-en

Max time kernel

150s

Max time network

149s

Command Line

"C:\Users\Admin\AppData\Local\Temp\345764da5055ceb70c2e069491ce43c914003d7624ae65614be6b0adf9de8c91.exe"

Signatures

Gh0st RAT payload

Description Indicator Process Target
N/A N/A N/A N/A

Gh0strat

rat gh0strat

Sets DLL path for service in the registry

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\svchcst\Parameters\ServiceDll = "C:\\Windows\\system32\\259394718.bat" C:\Users\Admin\AppData\Local\Temp\look2.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\look2.exe N/A
N/A N/A C:\Windows\SysWOW64\svchcst.exe N/A

Drops file in System32 directory

Description Indicator Process Target
File created C:\Windows\SysWOW64\259394718.bat C:\Users\Admin\AppData\Local\Temp\look2.exe N/A
File opened for modification C:\Windows\SysWOW64\ini.ini C:\Users\Admin\AppData\Local\Temp\look2.exe N/A
File created C:\Windows\SysWOW64\svchcst.exe C:\Windows\SysWOW64\svchost.exe N/A
File opened for modification C:\Windows\SysWOW64\svchcst.exe C:\Windows\SysWOW64\svchost.exe N/A

Drops file in Program Files directory

Description Indicator Process Target
File opened for modification C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe C:\Users\Admin\AppData\Local\Temp\345764da5055ceb70c2e069491ce43c914003d7624ae65614be6b0adf9de8c91.exe N/A

Enumerates physical storage devices

Processes

C:\Users\Admin\AppData\Local\Temp\345764da5055ceb70c2e069491ce43c914003d7624ae65614be6b0adf9de8c91.exe

"C:\Users\Admin\AppData\Local\Temp\345764da5055ceb70c2e069491ce43c914003d7624ae65614be6b0adf9de8c91.exe"

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

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

C:\Windows\SysWOW64\svchost.exe

C:\Windows\SysWOW64\svchost.exe -k "svchcst"

C:\Windows\SysWOW64\svchost.exe

C:\Windows\SysWOW64\svchost.exe -k "svchcst"

C:\Windows\SysWOW64\svchcst.exe

C:\Windows\system32\svchcst.exe "c:\windows\system32\259394718.bat",MainThread

Network

Country Destination Domain Proto
US 8.8.8.8:53 kinh.xmcxmr.com udp

Files

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

MD5 2f3b6f16e33e28ad75f3fdaef2567807
SHA1 85e907340faf1edfc9210db85a04abd43d21b741
SHA256 86492ebf2d6f471a5ee92977318d099b3ea86175b5b7ae522237ae01d07a4857
SHA512 db17e99e2df918cfc9ccbe934adfe73f0777ce1ce9f28b57a4b24ecd821efe2e0b976a634853247b77b16627d2bb3af4ba20306059d1d25ef38ffada7da3e3a4

\Windows\SysWOW64\259394718.bat

MD5 7efbb0bf284ecb6b19e997b8bbc796a7
SHA1 850440492e1fadd9b03867eb5d45646d856acbf1
SHA256 5bf2567bb01fa5259c314f0945ac94341a6c66bb42a241135ca24847bb0133fe
SHA512 64cda075dc5423b702b96b2e4c2b1d6eff4edd7ad6d62b7b4e6979529c9e4fa891c1e5636721667f498426ddd7f85715ae22e52b570980f37d076fd556b49a37

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

MD5 88916a2fb138130845d8254ee0dfe698
SHA1 29648a63a5780be88200a2987e79c3315a4c9b25
SHA256 345764da5055ceb70c2e069491ce43c914003d7624ae65614be6b0adf9de8c91
SHA512 d1c0e7f0b3634ff3ab8dc14bfb50e17abd61d1df1c5edcc95c99d11b734d010104ba89b12c6139110cae2ac971c6833cb641a2c43fb1f28d9434a2ee7c1005f4

\Windows\SysWOW64\svchcst.exe

MD5 51138beea3e2c21ec44d0932c71762a8
SHA1 8939cf35447b22dd2c6e6f443446acc1bf986d58
SHA256 5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124
SHA512 794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-03 23:29

Reported

2024-06-03 23:32

Platform

win10v2004-20240426-en

Max time kernel

149s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\345764da5055ceb70c2e069491ce43c914003d7624ae65614be6b0adf9de8c91.exe"

Signatures

Gh0st RAT payload

Description Indicator Process Target
N/A N/A N/A N/A

Gh0strat

rat gh0strat

Sets DLL path for service in the registry

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\svchcst\Parameters\ServiceDll = "C:\\Windows\\system32\\240595421.bat" C:\Users\Admin\AppData\Local\Temp\look2.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\look2.exe N/A
N/A N/A C:\Windows\SysWOW64\svchcst.exe N/A

Loads dropped DLL

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\look2.exe N/A
N/A N/A C:\Windows\SysWOW64\svchost.exe N/A
N/A N/A C:\Windows\SysWOW64\svchcst.exe N/A

Drops file in System32 directory

Description Indicator Process Target
File created C:\Windows\SysWOW64\240595421.bat C:\Users\Admin\AppData\Local\Temp\look2.exe N/A
File opened for modification C:\Windows\SysWOW64\ini.ini C:\Users\Admin\AppData\Local\Temp\look2.exe N/A
File created C:\Windows\SysWOW64\svchcst.exe C:\Windows\SysWOW64\svchost.exe N/A
File opened for modification C:\Windows\SysWOW64\svchcst.exe C:\Windows\SysWOW64\svchost.exe N/A

Drops file in Program Files directory

Description Indicator Process Target
File opened for modification C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe C:\Users\Admin\AppData\Local\Temp\345764da5055ceb70c2e069491ce43c914003d7624ae65614be6b0adf9de8c91.exe N/A

Enumerates physical storage devices

Processes

C:\Users\Admin\AppData\Local\Temp\345764da5055ceb70c2e069491ce43c914003d7624ae65614be6b0adf9de8c91.exe

"C:\Users\Admin\AppData\Local\Temp\345764da5055ceb70c2e069491ce43c914003d7624ae65614be6b0adf9de8c91.exe"

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

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

C:\Windows\SysWOW64\svchost.exe

C:\Windows\SysWOW64\svchost.exe -k "svchcst"

C:\Windows\SysWOW64\svchost.exe

C:\Windows\SysWOW64\svchost.exe -k "svchcst"

C:\Windows\SysWOW64\svchcst.exe

C:\Windows\system32\svchcst.exe "c:\windows\system32\240595421.bat",MainThread

Network

Country Destination Domain Proto
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 249.197.17.2.in-addr.arpa udp
US 8.8.8.8:53 73.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 kinh.xmcxmr.com udp
US 8.8.8.8:53 kinh.xmcxmr.com udp
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
US 8.8.8.8:53 kinh.xmcxmr.com udp
US 8.8.8.8:53 kinh.xmcxmr.com udp
US 8.8.8.8:53 kinh.xmcxmr.com udp
US 8.8.8.8:53 kinh.xmcxmr.com udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 kinh.xmcxmr.com udp
US 8.8.8.8:53 udp
US 8.8.8.8:53 kinh.xmcxmr.com udp
US 8.8.8.8:53 kinh.xmcxmr.com udp
US 8.8.8.8:53 kinh.xmcxmr.com udp
US 8.8.8.8:53 kinh.xmcxmr.com udp
US 8.8.8.8:53 98.58.20.217.in-addr.arpa udp
US 8.8.8.8:53 kinh.xmcxmr.com udp
US 8.8.8.8:53 kinh.xmcxmr.com udp
US 8.8.8.8:53 kinh.xmcxmr.com udp
US 8.8.8.8:53 kinh.xmcxmr.com udp
US 52.111.229.43:443 tcp
US 8.8.8.8:53 kinh.xmcxmr.com udp
US 8.8.8.8:53 kinh.xmcxmr.com udp
US 8.8.8.8:53 240.197.17.2.in-addr.arpa udp
US 8.8.8.8:53 13.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 kinh.xmcxmr.com udp
US 8.8.8.8:53 kinh.xmcxmr.com udp
US 8.8.8.8:53 kinh.xmcxmr.com udp
US 8.8.8.8:53 kinh.xmcxmr.com udp
US 8.8.8.8:53 kinh.xmcxmr.com udp
US 8.8.8.8:53 kinh.xmcxmr.com udp
US 8.8.8.8:53 kinh.xmcxmr.com udp
US 8.8.8.8:53 kinh.xmcxmr.com udp
US 8.8.8.8:53 kinh.xmcxmr.com udp
US 8.8.8.8:53 kinh.xmcxmr.com udp
US 8.8.8.8:53 udp
US 8.8.8.8:53 udp

Files

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

MD5 2f3b6f16e33e28ad75f3fdaef2567807
SHA1 85e907340faf1edfc9210db85a04abd43d21b741
SHA256 86492ebf2d6f471a5ee92977318d099b3ea86175b5b7ae522237ae01d07a4857
SHA512 db17e99e2df918cfc9ccbe934adfe73f0777ce1ce9f28b57a4b24ecd821efe2e0b976a634853247b77b16627d2bb3af4ba20306059d1d25ef38ffada7da3e3a4

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

MD5 88916a2fb138130845d8254ee0dfe698
SHA1 29648a63a5780be88200a2987e79c3315a4c9b25
SHA256 345764da5055ceb70c2e069491ce43c914003d7624ae65614be6b0adf9de8c91
SHA512 d1c0e7f0b3634ff3ab8dc14bfb50e17abd61d1df1c5edcc95c99d11b734d010104ba89b12c6139110cae2ac971c6833cb641a2c43fb1f28d9434a2ee7c1005f4

C:\Windows\SysWOW64\240595421.bat

MD5 7efbb0bf284ecb6b19e997b8bbc796a7
SHA1 850440492e1fadd9b03867eb5d45646d856acbf1
SHA256 5bf2567bb01fa5259c314f0945ac94341a6c66bb42a241135ca24847bb0133fe
SHA512 64cda075dc5423b702b96b2e4c2b1d6eff4edd7ad6d62b7b4e6979529c9e4fa891c1e5636721667f498426ddd7f85715ae22e52b570980f37d076fd556b49a37

C:\Windows\SysWOW64\svchcst.exe

MD5 889b99c52a60dd49227c5e485a016679
SHA1 8fa889e456aa646a4d0a4349977430ce5fa5e2d7
SHA256 6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910
SHA512 08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641