Malware Analysis Report

2025-03-15 06:38

Sample ID 240531-lkrsvsde9x
Target 2fb8ba0ec049aa90e2a605a86d4eeb3af4eab1422a5279eb376fe12a3e4223a6
SHA256 2fb8ba0ec049aa90e2a605a86d4eeb3af4eab1422a5279eb376fe12a3e4223a6
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

2fb8ba0ec049aa90e2a605a86d4eeb3af4eab1422a5279eb376fe12a3e4223a6

Threat Level: Known bad

The file 2fb8ba0ec049aa90e2a605a86d4eeb3af4eab1422a5279eb376fe12a3e4223a6 was found to be: Known bad.

Malicious Activity Summary

gh0strat persistence rat

Gh0strat

Gh0st RAT payload

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

Enumerates physical storage devices

Unsigned PE

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-05-31 09:35

Signatures

Unsigned PE

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

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-31 09:35

Reported

2024-05-31 09:38

Platform

win10v2004-20240426-en

Max time kernel

149s

Max time network

145s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2fb8ba0ec049aa90e2a605a86d4eeb3af4eab1422a5279eb376fe12a3e4223a6.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\\240595843.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 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
File created C:\Windows\SysWOW64\240595843.bat 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)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe C:\Users\Admin\AppData\Local\Temp\2fb8ba0ec049aa90e2a605a86d4eeb3af4eab1422a5279eb376fe12a3e4223a6.exe N/A

Enumerates physical storage devices

Processes

C:\Users\Admin\AppData\Local\Temp\2fb8ba0ec049aa90e2a605a86d4eeb3af4eab1422a5279eb376fe12a3e4223a6.exe

"C:\Users\Admin\AppData\Local\Temp\2fb8ba0ec049aa90e2a605a86d4eeb3af4eab1422a5279eb376fe12a3e4223a6.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\240595843.bat",MainThread

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 80.90.14.23.in-addr.arpa udp
US 8.8.8.8:53 71.159.190.20.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 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.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 kinh.xmcxmr.com udp
US 8.8.8.8:53 kinh.xmcxmr.com udp
US 8.8.8.8:53 89.90.14.23.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 kinh.xmcxmr.com 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:\Windows\SysWOW64\240595843.bat

MD5 c36a91aff01582e53aba416cace3e9f6
SHA1 02b015ea685c7d29cc92f2c4d66efe6d92fb7859
SHA256 8894b98d4f9ba6535fd2aede3998dd5a842b79a37ae6150f9b17588c1c8a726e
SHA512 e83e7ab974498894cf5ef053bca6306213b0b5b5f815d55c11a8366550fb31fe85c528103a631037d55fbdcd7a064d3ea3bae7d6ec7731e274914046c4dbca1c

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

MD5 2f1a3f4c5f080135935b922d7439e30a
SHA1 eb0f4eb5e05911b575f53ffef4268e21c3969fdc
SHA256 2fb8ba0ec049aa90e2a605a86d4eeb3af4eab1422a5279eb376fe12a3e4223a6
SHA512 3cfaa8d956fa993c1f7bac33598e64e2310d471d128967abc17883a7db7cf1e728c4e386634e1ede571fbdfeaf461c73073c2f0dbdf49101f981dc55c710842b

C:\Windows\SysWOW64\svchcst.exe

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-05-31 09:35

Reported

2024-05-31 09:38

Platform

win7-20240419-en

Max time kernel

149s

Max time network

148s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2fb8ba0ec049aa90e2a605a86d4eeb3af4eab1422a5279eb376fe12a3e4223a6.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\\259395030.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\259395030.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\2fb8ba0ec049aa90e2a605a86d4eeb3af4eab1422a5279eb376fe12a3e4223a6.exe N/A

Enumerates physical storage devices

Processes

C:\Users\Admin\AppData\Local\Temp\2fb8ba0ec049aa90e2a605a86d4eeb3af4eab1422a5279eb376fe12a3e4223a6.exe

"C:\Users\Admin\AppData\Local\Temp\2fb8ba0ec049aa90e2a605a86d4eeb3af4eab1422a5279eb376fe12a3e4223a6.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\259395030.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\259395030.bat

MD5 c36a91aff01582e53aba416cace3e9f6
SHA1 02b015ea685c7d29cc92f2c4d66efe6d92fb7859
SHA256 8894b98d4f9ba6535fd2aede3998dd5a842b79a37ae6150f9b17588c1c8a726e
SHA512 e83e7ab974498894cf5ef053bca6306213b0b5b5f815d55c11a8366550fb31fe85c528103a631037d55fbdcd7a064d3ea3bae7d6ec7731e274914046c4dbca1c

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

MD5 2f1a3f4c5f080135935b922d7439e30a
SHA1 eb0f4eb5e05911b575f53ffef4268e21c3969fdc
SHA256 2fb8ba0ec049aa90e2a605a86d4eeb3af4eab1422a5279eb376fe12a3e4223a6
SHA512 3cfaa8d956fa993c1f7bac33598e64e2310d471d128967abc17883a7db7cf1e728c4e386634e1ede571fbdfeaf461c73073c2f0dbdf49101f981dc55c710842b

\Windows\SysWOW64\svchcst.exe

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