Malware Analysis Report

2025-01-22 14:45

Sample ID 240605-ppxfpagc33
Target c6211880ae50727129306e40049573820f7fdc07c197636779d3439490182168
SHA256 c6211880ae50727129306e40049573820f7fdc07c197636779d3439490182168
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

c6211880ae50727129306e40049573820f7fdc07c197636779d3439490182168

Threat Level: Known bad

The file c6211880ae50727129306e40049573820f7fdc07c197636779d3439490182168 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

Enumerates physical storage devices

Unsigned PE

Suspicious use of WriteProcessMemory

Suspicious behavior: EnumeratesProcesses

Suspicious use of SetWindowsHookEx

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-05 12:30

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-05 12:30

Reported

2024-06-05 12:36

Platform

win7-20240215-en

Max time kernel

149s

Max time network

159s

Command Line

"C:\Users\Admin\AppData\Local\Temp\c6211880ae50727129306e40049573820f7fdc07c197636779d3439490182168.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\\259398524.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\259398524.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\c6211880ae50727129306e40049573820f7fdc07c197636779d3439490182168.exe N/A

Enumerates physical storage devices

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\c6211880ae50727129306e40049573820f7fdc07c197636779d3439490182168.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3032 wrote to memory of 2528 N/A C:\Users\Admin\AppData\Local\Temp\c6211880ae50727129306e40049573820f7fdc07c197636779d3439490182168.exe C:\Users\Admin\AppData\Local\Temp\look2.exe
PID 3032 wrote to memory of 2528 N/A C:\Users\Admin\AppData\Local\Temp\c6211880ae50727129306e40049573820f7fdc07c197636779d3439490182168.exe C:\Users\Admin\AppData\Local\Temp\look2.exe
PID 3032 wrote to memory of 2528 N/A C:\Users\Admin\AppData\Local\Temp\c6211880ae50727129306e40049573820f7fdc07c197636779d3439490182168.exe C:\Users\Admin\AppData\Local\Temp\look2.exe
PID 3032 wrote to memory of 2528 N/A C:\Users\Admin\AppData\Local\Temp\c6211880ae50727129306e40049573820f7fdc07c197636779d3439490182168.exe C:\Users\Admin\AppData\Local\Temp\look2.exe
PID 3032 wrote to memory of 2544 N/A C:\Users\Admin\AppData\Local\Temp\c6211880ae50727129306e40049573820f7fdc07c197636779d3439490182168.exe C:\Users\Admin\AppData\Local\Temp\HD_c6211880ae50727129306e40049573820f7fdc07c197636779d3439490182168.exe
PID 3032 wrote to memory of 2544 N/A C:\Users\Admin\AppData\Local\Temp\c6211880ae50727129306e40049573820f7fdc07c197636779d3439490182168.exe C:\Users\Admin\AppData\Local\Temp\HD_c6211880ae50727129306e40049573820f7fdc07c197636779d3439490182168.exe
PID 3032 wrote to memory of 2544 N/A C:\Users\Admin\AppData\Local\Temp\c6211880ae50727129306e40049573820f7fdc07c197636779d3439490182168.exe C:\Users\Admin\AppData\Local\Temp\HD_c6211880ae50727129306e40049573820f7fdc07c197636779d3439490182168.exe
PID 3032 wrote to memory of 2544 N/A C:\Users\Admin\AppData\Local\Temp\c6211880ae50727129306e40049573820f7fdc07c197636779d3439490182168.exe C:\Users\Admin\AppData\Local\Temp\HD_c6211880ae50727129306e40049573820f7fdc07c197636779d3439490182168.exe
PID 2648 wrote to memory of 2572 N/A C:\Windows\SysWOW64\svchost.exe C:\Windows\SysWOW64\svchcst.exe
PID 2648 wrote to memory of 2572 N/A C:\Windows\SysWOW64\svchost.exe C:\Windows\SysWOW64\svchcst.exe
PID 2648 wrote to memory of 2572 N/A C:\Windows\SysWOW64\svchost.exe C:\Windows\SysWOW64\svchcst.exe
PID 2648 wrote to memory of 2572 N/A C:\Windows\SysWOW64\svchost.exe C:\Windows\SysWOW64\svchcst.exe

Processes

C:\Users\Admin\AppData\Local\Temp\c6211880ae50727129306e40049573820f7fdc07c197636779d3439490182168.exe

"C:\Users\Admin\AppData\Local\Temp\c6211880ae50727129306e40049573820f7fdc07c197636779d3439490182168.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_c6211880ae50727129306e40049573820f7fdc07c197636779d3439490182168.exe

C:\Users\Admin\AppData\Local\Temp\HD_c6211880ae50727129306e40049573820f7fdc07c197636779d3439490182168.exe

C:\Windows\SysWOW64\svchcst.exe

C:\Windows\system32\svchcst.exe "c:\windows\system32\259398524.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\259398524.bat

MD5 2b2cab888e75457167b1dd81ff0a39dd
SHA1 a06433e15ed74c87254ba87090e3f7d1bba1e486
SHA256 3b2f39609bc733286412da568e10f630aaa624ace69f99a0daab7fdb1aea7014
SHA512 355f1551d22ac29dff1cc20e0ae7a39cea43c35e7dc9659bd67eabad09587f611bdc27c4bfdd064a6abe8160ee8aef61746bb57dad442b5fdbea41f265c45450

\Users\Admin\AppData\Local\Temp\HD_c6211880ae50727129306e40049573820f7fdc07c197636779d3439490182168.exe

MD5 fb083acd60fe5c3156dc25442be815e3
SHA1 61df59b8f3ebd8b3d29ca3aedc4995e23cacf6d8
SHA256 f130b3789962d5c8b59aa250d6f26ad5945928f3905b32bf65aa7bd30348a794
SHA512 7147337d2c1006bb15cfa967c9eea6826b63c8d343f866e7454d7368d25019f39e52cf179500810834244c3ca9644d6c0df0b2c3128a9051e9ee6b428fa926f6

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

MD5 ddde2a8343397599bf1308dc8f2bbf9a
SHA1 9287180184035872336b6dafad8de55d2b3d6341
SHA256 56cd6b68d9a5b378d25632f493a3250bd326682228ae60caf632fc5d6bfef415
SHA512 921e4b352b90ad3bdfa6e0e1143eae5a9c107770028c769c475ae7c64303251d275f597b74885ebbe3cbbad44863b3a7402a38878d2bfb811be49cc5ba5043ea

\Windows\SysWOW64\svchcst.exe

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

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-05 12:30

Reported

2024-06-05 12:36

Platform

win10v2004-20240426-en

Max time kernel

150s

Max time network

152s

Command Line

"C:\Users\Admin\AppData\Local\Temp\c6211880ae50727129306e40049573820f7fdc07c197636779d3439490182168.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\\240603031.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 opened for modification C:\Windows\SysWOW64\svchcst.exe C:\Windows\SysWOW64\svchost.exe N/A
File created C:\Windows\SysWOW64\240603031.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

Enumerates physical storage devices

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1684 wrote to memory of 388 N/A C:\Users\Admin\AppData\Local\Temp\c6211880ae50727129306e40049573820f7fdc07c197636779d3439490182168.exe C:\Users\Admin\AppData\Local\Temp\look2.exe
PID 1684 wrote to memory of 388 N/A C:\Users\Admin\AppData\Local\Temp\c6211880ae50727129306e40049573820f7fdc07c197636779d3439490182168.exe C:\Users\Admin\AppData\Local\Temp\look2.exe
PID 1684 wrote to memory of 388 N/A C:\Users\Admin\AppData\Local\Temp\c6211880ae50727129306e40049573820f7fdc07c197636779d3439490182168.exe C:\Users\Admin\AppData\Local\Temp\look2.exe
PID 1684 wrote to memory of 4452 N/A C:\Users\Admin\AppData\Local\Temp\c6211880ae50727129306e40049573820f7fdc07c197636779d3439490182168.exe C:\Users\Admin\AppData\Local\Temp\HD_c6211880ae50727129306e40049573820f7fdc07c197636779d3439490182168.exe
PID 1684 wrote to memory of 4452 N/A C:\Users\Admin\AppData\Local\Temp\c6211880ae50727129306e40049573820f7fdc07c197636779d3439490182168.exe C:\Users\Admin\AppData\Local\Temp\HD_c6211880ae50727129306e40049573820f7fdc07c197636779d3439490182168.exe
PID 1684 wrote to memory of 4452 N/A C:\Users\Admin\AppData\Local\Temp\c6211880ae50727129306e40049573820f7fdc07c197636779d3439490182168.exe C:\Users\Admin\AppData\Local\Temp\HD_c6211880ae50727129306e40049573820f7fdc07c197636779d3439490182168.exe
PID 1428 wrote to memory of 4444 N/A C:\Windows\SysWOW64\svchost.exe C:\Windows\SysWOW64\svchcst.exe
PID 1428 wrote to memory of 4444 N/A C:\Windows\SysWOW64\svchost.exe C:\Windows\SysWOW64\svchcst.exe
PID 1428 wrote to memory of 4444 N/A C:\Windows\SysWOW64\svchost.exe C:\Windows\SysWOW64\svchcst.exe

Processes

C:\Users\Admin\AppData\Local\Temp\c6211880ae50727129306e40049573820f7fdc07c197636779d3439490182168.exe

"C:\Users\Admin\AppData\Local\Temp\c6211880ae50727129306e40049573820f7fdc07c197636779d3439490182168.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_c6211880ae50727129306e40049573820f7fdc07c197636779d3439490182168.exe

C:\Users\Admin\AppData\Local\Temp\HD_c6211880ae50727129306e40049573820f7fdc07c197636779d3439490182168.exe

C:\Windows\SysWOW64\svchcst.exe

C:\Windows\system32\svchcst.exe "c:\windows\system32\240603031.bat",MainThread

Network

Country Destination Domain Proto
US 8.8.8.8:53 149.220.183.52.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 8.8.8.8:53 196.249.167.52.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 8.8.8.8:53 103.169.127.40.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 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 31.243.111.52.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\240603031.bat

MD5 2b2cab888e75457167b1dd81ff0a39dd
SHA1 a06433e15ed74c87254ba87090e3f7d1bba1e486
SHA256 3b2f39609bc733286412da568e10f630aaa624ace69f99a0daab7fdb1aea7014
SHA512 355f1551d22ac29dff1cc20e0ae7a39cea43c35e7dc9659bd67eabad09587f611bdc27c4bfdd064a6abe8160ee8aef61746bb57dad442b5fdbea41f265c45450

C:\Users\Admin\AppData\Local\Temp\HD_c6211880ae50727129306e40049573820f7fdc07c197636779d3439490182168.exe

MD5 fb083acd60fe5c3156dc25442be815e3
SHA1 61df59b8f3ebd8b3d29ca3aedc4995e23cacf6d8
SHA256 f130b3789962d5c8b59aa250d6f26ad5945928f3905b32bf65aa7bd30348a794
SHA512 7147337d2c1006bb15cfa967c9eea6826b63c8d343f866e7454d7368d25019f39e52cf179500810834244c3ca9644d6c0df0b2c3128a9051e9ee6b428fa926f6

C:\Windows\SysWOW64\svchcst.exe

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