Malware Analysis Report

2025-01-22 14:45

Sample ID 240605-fbhwpsfc94
Target 433ec22c070d7d587b2d77b8c3bb471a89a1fd696ff72f6f0f0f97533ec8a550
SHA256 433ec22c070d7d587b2d77b8c3bb471a89a1fd696ff72f6f0f0f97533ec8a550
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

433ec22c070d7d587b2d77b8c3bb471a89a1fd696ff72f6f0f0f97533ec8a550

Threat Level: Known bad

The file 433ec22c070d7d587b2d77b8c3bb471a89a1fd696ff72f6f0f0f97533ec8a550 was found to be: Known bad.

Malicious Activity Summary

gh0strat persistence rat

Gh0st RAT payload

Gh0strat

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 WriteProcessMemory

Suspicious behavior: EnumeratesProcesses

Suspicious use of SetWindowsHookEx

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-05 04:41

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-05 04:41

Reported

2024-06-05 04:44

Platform

win7-20240508-en

Max time kernel

150s

Max time network

149s

Command Line

"C:\Users\Admin\AppData\Local\Temp\433ec22c070d7d587b2d77b8c3bb471a89a1fd696ff72f6f0f0f97533ec8a550.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\\259400209.bat" C:\Users\Admin\AppData\Local\Temp\look2.exe N/A

Drops file in System32 directory

Description Indicator Process Target
File created C:\Windows\SysWOW64\259400209.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\433ec22c070d7d587b2d77b8c3bb471a89a1fd696ff72f6f0f0f97533ec8a550.exe N/A

Enumerates physical storage devices

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\HD_433ec22c070d7d587b2d77b8c3bb471a89a1fd696ff72f6f0f0f97533ec8a550.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1712 wrote to memory of 496 N/A C:\Users\Admin\AppData\Local\Temp\433ec22c070d7d587b2d77b8c3bb471a89a1fd696ff72f6f0f0f97533ec8a550.exe C:\Users\Admin\AppData\Local\Temp\look2.exe
PID 1712 wrote to memory of 496 N/A C:\Users\Admin\AppData\Local\Temp\433ec22c070d7d587b2d77b8c3bb471a89a1fd696ff72f6f0f0f97533ec8a550.exe C:\Users\Admin\AppData\Local\Temp\look2.exe
PID 1712 wrote to memory of 496 N/A C:\Users\Admin\AppData\Local\Temp\433ec22c070d7d587b2d77b8c3bb471a89a1fd696ff72f6f0f0f97533ec8a550.exe C:\Users\Admin\AppData\Local\Temp\look2.exe
PID 1712 wrote to memory of 496 N/A C:\Users\Admin\AppData\Local\Temp\433ec22c070d7d587b2d77b8c3bb471a89a1fd696ff72f6f0f0f97533ec8a550.exe C:\Users\Admin\AppData\Local\Temp\look2.exe
PID 1712 wrote to memory of 2628 N/A C:\Users\Admin\AppData\Local\Temp\433ec22c070d7d587b2d77b8c3bb471a89a1fd696ff72f6f0f0f97533ec8a550.exe C:\Users\Admin\AppData\Local\Temp\HD_433ec22c070d7d587b2d77b8c3bb471a89a1fd696ff72f6f0f0f97533ec8a550.exe
PID 1712 wrote to memory of 2628 N/A C:\Users\Admin\AppData\Local\Temp\433ec22c070d7d587b2d77b8c3bb471a89a1fd696ff72f6f0f0f97533ec8a550.exe C:\Users\Admin\AppData\Local\Temp\HD_433ec22c070d7d587b2d77b8c3bb471a89a1fd696ff72f6f0f0f97533ec8a550.exe
PID 1712 wrote to memory of 2628 N/A C:\Users\Admin\AppData\Local\Temp\433ec22c070d7d587b2d77b8c3bb471a89a1fd696ff72f6f0f0f97533ec8a550.exe C:\Users\Admin\AppData\Local\Temp\HD_433ec22c070d7d587b2d77b8c3bb471a89a1fd696ff72f6f0f0f97533ec8a550.exe
PID 1712 wrote to memory of 2628 N/A C:\Users\Admin\AppData\Local\Temp\433ec22c070d7d587b2d77b8c3bb471a89a1fd696ff72f6f0f0f97533ec8a550.exe C:\Users\Admin\AppData\Local\Temp\HD_433ec22c070d7d587b2d77b8c3bb471a89a1fd696ff72f6f0f0f97533ec8a550.exe
PID 1144 wrote to memory of 2640 N/A C:\Windows\SysWOW64\svchost.exe C:\Windows\SysWOW64\svchcst.exe
PID 1144 wrote to memory of 2640 N/A C:\Windows\SysWOW64\svchost.exe C:\Windows\SysWOW64\svchcst.exe
PID 1144 wrote to memory of 2640 N/A C:\Windows\SysWOW64\svchost.exe C:\Windows\SysWOW64\svchcst.exe
PID 1144 wrote to memory of 2640 N/A C:\Windows\SysWOW64\svchost.exe C:\Windows\SysWOW64\svchcst.exe

Processes

C:\Users\Admin\AppData\Local\Temp\433ec22c070d7d587b2d77b8c3bb471a89a1fd696ff72f6f0f0f97533ec8a550.exe

"C:\Users\Admin\AppData\Local\Temp\433ec22c070d7d587b2d77b8c3bb471a89a1fd696ff72f6f0f0f97533ec8a550.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:\Users\Admin\AppData\Local\Temp\HD_433ec22c070d7d587b2d77b8c3bb471a89a1fd696ff72f6f0f0f97533ec8a550.exe

C:\Users\Admin\AppData\Local\Temp\HD_433ec22c070d7d587b2d77b8c3bb471a89a1fd696ff72f6f0f0f97533ec8a550.exe

C:\Windows\SysWOW64\svchcst.exe

C:\Windows\system32\svchcst.exe "c:\windows\system32\259400209.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\259400209.bat

MD5 fcd77b085794e30f5a834777388ce721
SHA1 92270f1aa887c09f63e632d3ca1c7120ce5a1227
SHA256 a471e6086a20d5c7332916f7c3949e86887361c34045f25debebb2136364d960
SHA512 f82da9d0526de92bf4201626d1e6c05bab9aa3a6e21be8b62c3ea628a6ef026c3edd2d0be2402e26af43b89a808d65a121444afbc9acb11fe06a98899fea8a2a

\Users\Admin\AppData\Local\Temp\HD_433ec22c070d7d587b2d77b8c3bb471a89a1fd696ff72f6f0f0f97533ec8a550.exe

MD5 07a1ea2955a0d03aebb991995195bb3b
SHA1 c69ca63cc9b200dc04ca50c3d64893be5823a086
SHA256 5a6a34f2b146dbd4a41c3977c69f69a0b25ca2da192cf4bbe9af6bdcc76ba463
SHA512 42b024ac9938ce70cc2b42591e4e2b39223883abcc8ab411ebf10710b1cfb2f35a1330b3691ee1d4b8d2e87d4c71d71bb253c6059d15232f22088a6eeb3d6372

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

MD5 cb6aadc0ac4bf60dc1e3ad5437495391
SHA1 c87c697fcebaa28f86ad3c9c14d4bbfed3098459
SHA256 89447161a25845598cd3d163eec4126d793107033dbfc786f935bed5b1aa79ae
SHA512 cfb720b5ca949f7198be3126277719851e31222e218870f3cd3e420ed57c8a6b3181eb5b7961f2cf49bf18fb33262560d74ea14f3c2113378be6b9180a58bde6

\Windows\SysWOW64\svchcst.exe

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

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-05 04:41

Reported

2024-06-05 04:44

Platform

win10v2004-20240508-en

Max time kernel

150s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\433ec22c070d7d587b2d77b8c3bb471a89a1fd696ff72f6f0f0f97533ec8a550.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\\240597734.bat" C:\Users\Admin\AppData\Local\Temp\look2.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\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
File created C:\Windows\SysWOW64\240597734.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

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\433ec22c070d7d587b2d77b8c3bb471a89a1fd696ff72f6f0f0f97533ec8a550.exe N/A

Enumerates physical storage devices

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\HD_433ec22c070d7d587b2d77b8c3bb471a89a1fd696ff72f6f0f0f97533ec8a550.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1948 wrote to memory of 4984 N/A C:\Users\Admin\AppData\Local\Temp\433ec22c070d7d587b2d77b8c3bb471a89a1fd696ff72f6f0f0f97533ec8a550.exe C:\Users\Admin\AppData\Local\Temp\look2.exe
PID 1948 wrote to memory of 4984 N/A C:\Users\Admin\AppData\Local\Temp\433ec22c070d7d587b2d77b8c3bb471a89a1fd696ff72f6f0f0f97533ec8a550.exe C:\Users\Admin\AppData\Local\Temp\look2.exe
PID 1948 wrote to memory of 4984 N/A C:\Users\Admin\AppData\Local\Temp\433ec22c070d7d587b2d77b8c3bb471a89a1fd696ff72f6f0f0f97533ec8a550.exe C:\Users\Admin\AppData\Local\Temp\look2.exe
PID 1948 wrote to memory of 4744 N/A C:\Users\Admin\AppData\Local\Temp\433ec22c070d7d587b2d77b8c3bb471a89a1fd696ff72f6f0f0f97533ec8a550.exe C:\Users\Admin\AppData\Local\Temp\HD_433ec22c070d7d587b2d77b8c3bb471a89a1fd696ff72f6f0f0f97533ec8a550.exe
PID 1948 wrote to memory of 4744 N/A C:\Users\Admin\AppData\Local\Temp\433ec22c070d7d587b2d77b8c3bb471a89a1fd696ff72f6f0f0f97533ec8a550.exe C:\Users\Admin\AppData\Local\Temp\HD_433ec22c070d7d587b2d77b8c3bb471a89a1fd696ff72f6f0f0f97533ec8a550.exe
PID 1948 wrote to memory of 4744 N/A C:\Users\Admin\AppData\Local\Temp\433ec22c070d7d587b2d77b8c3bb471a89a1fd696ff72f6f0f0f97533ec8a550.exe C:\Users\Admin\AppData\Local\Temp\HD_433ec22c070d7d587b2d77b8c3bb471a89a1fd696ff72f6f0f0f97533ec8a550.exe
PID 4920 wrote to memory of 4260 N/A C:\Windows\SysWOW64\svchost.exe C:\Windows\SysWOW64\svchcst.exe
PID 4920 wrote to memory of 4260 N/A C:\Windows\SysWOW64\svchost.exe C:\Windows\SysWOW64\svchcst.exe
PID 4920 wrote to memory of 4260 N/A C:\Windows\SysWOW64\svchost.exe C:\Windows\SysWOW64\svchcst.exe

Processes

C:\Users\Admin\AppData\Local\Temp\433ec22c070d7d587b2d77b8c3bb471a89a1fd696ff72f6f0f0f97533ec8a550.exe

"C:\Users\Admin\AppData\Local\Temp\433ec22c070d7d587b2d77b8c3bb471a89a1fd696ff72f6f0f0f97533ec8a550.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:\Users\Admin\AppData\Local\Temp\HD_433ec22c070d7d587b2d77b8c3bb471a89a1fd696ff72f6f0f0f97533ec8a550.exe

C:\Users\Admin\AppData\Local\Temp\HD_433ec22c070d7d587b2d77b8c3bb471a89a1fd696ff72f6f0f0f97533ec8a550.exe

C:\Windows\SysWOW64\svchcst.exe

C:\Windows\system32\svchcst.exe "c:\windows\system32\240597734.bat",MainThread

Network

Country Destination Domain Proto
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.237:443 g.bing.com tcp
US 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
NL 23.62.61.194:443 www.bing.com tcp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
US 8.8.8.8:53 2.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 194.61.62.23.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 8.8.8.8:53 104.219.191.52.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 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 56.126.166.20.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 52.111.227.11:443 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 21.236.111.52.in-addr.arpa udp
US 8.8.8.8:53 kinh.xmcxmr.com udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net 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 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

Files

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

MD5 2f3b6f16e33e28ad75f3fdaef2567807
SHA1 85e907340faf1edfc9210db85a04abd43d21b741
SHA256 86492ebf2d6f471a5ee92977318d099b3ea86175b5b7ae522237ae01d07a4857
SHA512 db17e99e2df918cfc9ccbe934adfe73f0777ce1ce9f28b57a4b24ecd821efe2e0b976a634853247b77b16627d2bb3af4ba20306059d1d25ef38ffada7da3e3a4

C:\Windows\SysWOW64\240597734.bat

MD5 fcd77b085794e30f5a834777388ce721
SHA1 92270f1aa887c09f63e632d3ca1c7120ce5a1227
SHA256 a471e6086a20d5c7332916f7c3949e86887361c34045f25debebb2136364d960
SHA512 f82da9d0526de92bf4201626d1e6c05bab9aa3a6e21be8b62c3ea628a6ef026c3edd2d0be2402e26af43b89a808d65a121444afbc9acb11fe06a98899fea8a2a

C:\Users\Admin\AppData\Local\Temp\HD_433ec22c070d7d587b2d77b8c3bb471a89a1fd696ff72f6f0f0f97533ec8a550.exe

MD5 07a1ea2955a0d03aebb991995195bb3b
SHA1 c69ca63cc9b200dc04ca50c3d64893be5823a086
SHA256 5a6a34f2b146dbd4a41c3977c69f69a0b25ca2da192cf4bbe9af6bdcc76ba463
SHA512 42b024ac9938ce70cc2b42591e4e2b39223883abcc8ab411ebf10710b1cfb2f35a1330b3691ee1d4b8d2e87d4c71d71bb253c6059d15232f22088a6eeb3d6372

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

MD5 cb6aadc0ac4bf60dc1e3ad5437495391
SHA1 c87c697fcebaa28f86ad3c9c14d4bbfed3098459
SHA256 89447161a25845598cd3d163eec4126d793107033dbfc786f935bed5b1aa79ae
SHA512 cfb720b5ca949f7198be3126277719851e31222e218870f3cd3e420ed57c8a6b3181eb5b7961f2cf49bf18fb33262560d74ea14f3c2113378be6b9180a58bde6

C:\Windows\SysWOW64\svchcst.exe

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