Malware Analysis Report

2025-01-22 14:45

Sample ID 240605-f9bkaafd9y
Target d72c9819315dc04907d763985184b83dcaac80d5af8cbd941d980e1319c90c05
SHA256 d72c9819315dc04907d763985184b83dcaac80d5af8cbd941d980e1319c90c05
Tags
gh0strat persistence rat
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

d72c9819315dc04907d763985184b83dcaac80d5af8cbd941d980e1319c90c05

Threat Level: Known bad

The file d72c9819315dc04907d763985184b83dcaac80d5af8cbd941d980e1319c90c05 was found to be: Known bad.

Malicious Activity Summary

gh0strat persistence rat

Gh0st RAT payload

Gh0strat

Sets DLL path for service in the registry

Executes dropped EXE

Loads dropped DLL

Drops file in System32 directory

Drops file in Program Files directory

Unsigned PE

Enumerates physical storage devices

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-05 05:34

Signatures

Unsigned PE

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

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-05 05:33

Reported

2024-06-05 05:38

Platform

win10v2004-20240426-en

Max time kernel

149s

Max time network

148s

Command Line

"C:\Users\Admin\AppData\Local\Temp\d72c9819315dc04907d763985184b83dcaac80d5af8cbd941d980e1319c90c05.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\\240610218.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\240610218.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\Acrobat Reader DC\Reader\AcroRd32.exe C:\Users\Admin\AppData\Local\Temp\d72c9819315dc04907d763985184b83dcaac80d5af8cbd941d980e1319c90c05.exe N/A

Enumerates physical storage devices

Processes

C:\Users\Admin\AppData\Local\Temp\d72c9819315dc04907d763985184b83dcaac80d5af8cbd941d980e1319c90c05.exe

"C:\Users\Admin\AppData\Local\Temp\d72c9819315dc04907d763985184b83dcaac80d5af8cbd941d980e1319c90c05.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\240610218.bat",MainThread

Network

Country Destination Domain Proto
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 138.32.126.40.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 8.8.8.8:53 241.150.49.20.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 86.23.85.13.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 8.8.8.8:53 144.107.17.2.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 23.236.111.52.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 8.8.8.8:53 203.107.17.2.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 30.73.42.20.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

Files

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

MD5 2f3b6f16e33e28ad75f3fdaef2567807
SHA1 85e907340faf1edfc9210db85a04abd43d21b741
SHA256 86492ebf2d6f471a5ee92977318d099b3ea86175b5b7ae522237ae01d07a4857
SHA512 db17e99e2df918cfc9ccbe934adfe73f0777ce1ce9f28b57a4b24ecd821efe2e0b976a634853247b77b16627d2bb3af4ba20306059d1d25ef38ffada7da3e3a4

C:\Windows\SysWOW64\240610218.bat

MD5 5bb9aa23769da88cb5cf848eedd4297f
SHA1 b70034723583a8f64b6861591dd4c2eca5c04661
SHA256 a5134c1f02a4ec3ede503d7b0d7f6d30100500a4c35ef2aead87a7ecdf770e6a
SHA512 7941130f08effb26ed4ed57504b65bc68289b04c828207a7ab2f9ad15da5c26372067a5ec3a311131646009f7ccfa8ae18651d676d349bd530c17f7a9fd63aa1

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

MD5 5e841de3c275044a9779a19180ae0e98
SHA1 d8a60f6afca9af8c9d2cb5136185113692f49a86
SHA256 d72c9819315dc04907d763985184b83dcaac80d5af8cbd941d980e1319c90c05
SHA512 893a4fa967bbad6af84a7791367d41ef756ff8f00d65f67d20e4ea9da4176b178c9c55badddb05a7d774871ca06ec14d97187669f411ef0b6c1ff5bf99f40d24

C:\Windows\SysWOW64\svchcst.exe

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-05 05:33

Reported

2024-06-05 05:36

Platform

win7-20240508-en

Max time kernel

150s

Max time network

155s

Command Line

"C:\Users\Admin\AppData\Local\Temp\d72c9819315dc04907d763985184b83dcaac80d5af8cbd941d980e1319c90c05.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\\259399382.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\259399382.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

Enumerates physical storage devices

Processes

C:\Users\Admin\AppData\Local\Temp\d72c9819315dc04907d763985184b83dcaac80d5af8cbd941d980e1319c90c05.exe

"C:\Users\Admin\AppData\Local\Temp\d72c9819315dc04907d763985184b83dcaac80d5af8cbd941d980e1319c90c05.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\259399382.bat",MainThread

Network

Country Destination Domain Proto
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

\Windows\SysWOW64\259399382.bat

MD5 aa197fbd478d72811cfa8654da517220
SHA1 2d8dd3b469a0faf523830becefdf504fd732edcf
SHA256 a60c7d9845e1ea19db8f49fa5fbd57825d6a4fe5240218ef9ff2325bd0e3cb86
SHA512 6f4d6838fec8116ecfa65df998e6f6830b4680dc5d6e14aaee2176a7c837bd274fd7944238410327ad2446c881f2517bdd82603213ebe7c3fdd2bc528600b880

C:\Windows\SysWOW64\svchcst.exe

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