Malware Analysis Report

2024-10-24 17:03

Sample ID 220817-gtrf8seea8
Target b1a54aa41872cf32808a7f8453edad44.exe
SHA256 2c7de522a0b7230acc514fecdfeaf05e9578fded236ad1337551fd42d4ac7c49
Tags
gh0strat persistence rat runningrat
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V6

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

2c7de522a0b7230acc514fecdfeaf05e9578fded236ad1337551fd42d4ac7c49

Threat Level: Known bad

The file b1a54aa41872cf32808a7f8453edad44.exe was found to be: Known bad.

Malicious Activity Summary

gh0strat persistence rat runningrat

Gh0strat

Gh0st RAT payload

RunningRat payload

Runningrat family

Executes dropped EXE

Sets DLL path for service in the registry

Checks computer location settings

Loads dropped DLL

Deletes itself

Drops file in System32 directory

Creates a Windows Service

Drops file in Windows directory

Enumerates physical storage devices

Suspicious use of SetWindowsHookEx

Suspicious use of AdjustPrivilegeToken

Suspicious behavior: EnumeratesProcesses

Runs ping.exe

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2022-08-17 06:06

Signatures

RunningRat payload

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

Runningrat family

runningrat

Analysis: behavioral1

Detonation Overview

Submitted

2022-08-17 06:06

Reported

2022-08-17 06:08

Platform

win7-20220812-en

Max time kernel

102s

Max time network

116s

Command Line

"C:\Users\Admin\AppData\Local\Temp\b1a54aa41872cf32808a7f8453edad44.exe"

Signatures

Gh0st RAT payload

Description Indicator Process Target
N/A N/A N/A N/A
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Gh0strat

rat gh0strat

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\serivces.exe N/A

Sets DLL path for service in the registry

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\serivces\Parameters\ServiceDll = "C:\\Windows\\fonts\\7085924.dll" C:\Users\Admin\AppData\Local\Temp\b1a54aa41872cf32808a7f8453edad44.exe N/A

Deletes itself

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\cmd.exe N/A

Creates a Windows Service

persistence

Drops file in System32 directory

Description Indicator Process Target
File created C:\Windows\SysWOW64\serivces.exe C:\Windows\SysWOW64\svchost.exe N/A
File opened for modification C:\Windows\SysWOW64\serivces.exe C:\Windows\SysWOW64\svchost.exe N/A

Drops file in Windows directory

Description Indicator Process Target
File created C:\Windows\fonts\7085924.dll C:\Users\Admin\AppData\Local\Temp\b1a54aa41872cf32808a7f8453edad44.exe N/A

Enumerates physical storage devices

Runs ping.exe

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\PING.EXE N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\b1a54aa41872cf32808a7f8453edad44.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\b1a54aa41872cf32808a7f8453edad44.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\b1a54aa41872cf32808a7f8453edad44.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\b1a54aa41872cf32808a7f8453edad44.exe

"C:\Users\Admin\AppData\Local\Temp\b1a54aa41872cf32808a7f8453edad44.exe"

C:\Windows\SysWOW64\svchost.exe

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

C:\Windows\SysWOW64\svchost.exe

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

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 -n 1 && del /f/q "C:\Users\Admin\AppData\Local\Temp\b1a54aa41872cf32808a7f8453edad44.exe"

C:\Windows\SysWOW64\PING.EXE

ping 127.0.0.1 -n 1

C:\Windows\SysWOW64\serivces.exe

C:\Windows\system32\serivces.exe "c:\windows\fonts\7085924.dll",MainThread

Network

Country Destination Domain Proto
US 8.8.8.8:53 ipip.website udp
KR 114.202.175.146:8910 ipip.website tcp
KR 114.202.175.146:8910 ipip.website tcp
KR 114.202.175.146:8910 ipip.website tcp
KR 114.202.175.146:8910 ipip.website tcp

Files

memory/1676-54-0x0000000075D91000-0x0000000075D93000-memory.dmp

\Windows\Fonts\7085924.dll

MD5 bea37c754138109355b34f1ebc6defc5
SHA1 3efd45599dd8b2cb8034453a63d2c919eeded3e6
SHA256 08c5a2bcfce6d00aebd9e3c41210e935a7fdc2bb6237fc53eb06c99edf0ac292
SHA512 683aafeda26d3df844aaf1e74e4621f27f80ccf6a1b21865b78a134cde92119613a81ec774f184fc53fc387de097a07ff257ab91dadda5874d70ea84dfa2b64d

\Windows\Fonts\7085924.dll

MD5 bea37c754138109355b34f1ebc6defc5
SHA1 3efd45599dd8b2cb8034453a63d2c919eeded3e6
SHA256 08c5a2bcfce6d00aebd9e3c41210e935a7fdc2bb6237fc53eb06c99edf0ac292
SHA512 683aafeda26d3df844aaf1e74e4621f27f80ccf6a1b21865b78a134cde92119613a81ec774f184fc53fc387de097a07ff257ab91dadda5874d70ea84dfa2b64d

\??\c:\windows\fonts\7085924.dll

MD5 bea37c754138109355b34f1ebc6defc5
SHA1 3efd45599dd8b2cb8034453a63d2c919eeded3e6
SHA256 08c5a2bcfce6d00aebd9e3c41210e935a7fdc2bb6237fc53eb06c99edf0ac292
SHA512 683aafeda26d3df844aaf1e74e4621f27f80ccf6a1b21865b78a134cde92119613a81ec774f184fc53fc387de097a07ff257ab91dadda5874d70ea84dfa2b64d

memory/1332-58-0x0000000000000000-mapping.dmp

memory/1132-59-0x0000000000000000-mapping.dmp

\Windows\SysWOW64\serivces.exe

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

memory/2032-61-0x0000000000000000-mapping.dmp

C:\Windows\SysWOW64\serivces.exe

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

\Windows\Fonts\7085924.dll

MD5 bea37c754138109355b34f1ebc6defc5
SHA1 3efd45599dd8b2cb8034453a63d2c919eeded3e6
SHA256 08c5a2bcfce6d00aebd9e3c41210e935a7fdc2bb6237fc53eb06c99edf0ac292
SHA512 683aafeda26d3df844aaf1e74e4621f27f80ccf6a1b21865b78a134cde92119613a81ec774f184fc53fc387de097a07ff257ab91dadda5874d70ea84dfa2b64d

\Windows\Fonts\7085924.dll

MD5 bea37c754138109355b34f1ebc6defc5
SHA1 3efd45599dd8b2cb8034453a63d2c919eeded3e6
SHA256 08c5a2bcfce6d00aebd9e3c41210e935a7fdc2bb6237fc53eb06c99edf0ac292
SHA512 683aafeda26d3df844aaf1e74e4621f27f80ccf6a1b21865b78a134cde92119613a81ec774f184fc53fc387de097a07ff257ab91dadda5874d70ea84dfa2b64d

\Windows\Fonts\7085924.dll

MD5 bea37c754138109355b34f1ebc6defc5
SHA1 3efd45599dd8b2cb8034453a63d2c919eeded3e6
SHA256 08c5a2bcfce6d00aebd9e3c41210e935a7fdc2bb6237fc53eb06c99edf0ac292
SHA512 683aafeda26d3df844aaf1e74e4621f27f80ccf6a1b21865b78a134cde92119613a81ec774f184fc53fc387de097a07ff257ab91dadda5874d70ea84dfa2b64d

\Windows\Fonts\7085924.dll

MD5 bea37c754138109355b34f1ebc6defc5
SHA1 3efd45599dd8b2cb8034453a63d2c919eeded3e6
SHA256 08c5a2bcfce6d00aebd9e3c41210e935a7fdc2bb6237fc53eb06c99edf0ac292
SHA512 683aafeda26d3df844aaf1e74e4621f27f80ccf6a1b21865b78a134cde92119613a81ec774f184fc53fc387de097a07ff257ab91dadda5874d70ea84dfa2b64d

C:\Windows\SysWOW64\serivces.exe

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

Analysis: behavioral2

Detonation Overview

Submitted

2022-08-17 06:06

Reported

2022-08-17 06:08

Platform

win10v2004-20220812-en

Max time kernel

141s

Max time network

152s

Command Line

"C:\Users\Admin\AppData\Local\Temp\b1a54aa41872cf32808a7f8453edad44.exe"

Signatures

Gh0st RAT payload

Description Indicator Process Target
N/A N/A N/A N/A
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Gh0strat

rat gh0strat

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\serivces.exe N/A

Sets DLL path for service in the registry

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\serivces\Parameters\ServiceDll = "C:\\Windows\\fonts\\240557796.dll" C:\Users\Admin\AppData\Local\Temp\b1a54aa41872cf32808a7f8453edad44.exe N/A

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-1502147629-2175634256-330282290-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\b1a54aa41872cf32808a7f8453edad44.exe N/A

Creates a Windows Service

persistence

Drops file in System32 directory

Description Indicator Process Target
File created C:\Windows\SysWOW64\serivces.exe C:\Windows\SysWOW64\svchost.exe N/A
File opened for modification C:\Windows\SysWOW64\serivces.exe C:\Windows\SysWOW64\svchost.exe N/A

Drops file in Windows directory

Description Indicator Process Target
File created C:\Windows\fonts\240557796.dll C:\Users\Admin\AppData\Local\Temp\b1a54aa41872cf32808a7f8453edad44.exe N/A

Enumerates physical storage devices

Runs ping.exe

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\PING.EXE N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\b1a54aa41872cf32808a7f8453edad44.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\b1a54aa41872cf32808a7f8453edad44.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\b1a54aa41872cf32808a7f8453edad44.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\b1a54aa41872cf32808a7f8453edad44.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\b1a54aa41872cf32808a7f8453edad44.exe

"C:\Users\Admin\AppData\Local\Temp\b1a54aa41872cf32808a7f8453edad44.exe"

C:\Windows\SysWOW64\svchost.exe

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

C:\Windows\SysWOW64\svchost.exe

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

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 -n 1 && del /f/q "C:\Users\Admin\AppData\Local\Temp\b1a54aa41872cf32808a7f8453edad44.exe"

C:\Windows\SysWOW64\PING.EXE

ping 127.0.0.1 -n 1

C:\Windows\SysWOW64\serivces.exe

C:\Windows\system32\serivces.exe "c:\windows\fonts\240557796.dll",MainThread

Network

Country Destination Domain Proto
US 209.197.3.8:80 tcp
US 8.8.8.8:53 ipip.website udp
KR 114.202.175.146:8910 ipip.website tcp
KR 114.202.175.146:8910 ipip.website tcp
US 20.189.173.5:443 tcp
NL 178.79.208.1:80 tcp
NL 178.79.208.1:80 tcp
BE 8.238.111.126:80 tcp
KR 114.202.175.146:8910 ipip.website tcp
KR 114.202.175.146:8910 ipip.website tcp
KR 114.202.175.146:8910 ipip.website tcp

Files

C:\Windows\Fonts\240557796.dll

MD5 bea37c754138109355b34f1ebc6defc5
SHA1 3efd45599dd8b2cb8034453a63d2c919eeded3e6
SHA256 08c5a2bcfce6d00aebd9e3c41210e935a7fdc2bb6237fc53eb06c99edf0ac292
SHA512 683aafeda26d3df844aaf1e74e4621f27f80ccf6a1b21865b78a134cde92119613a81ec774f184fc53fc387de097a07ff257ab91dadda5874d70ea84dfa2b64d

C:\Windows\Fonts\240557796.dll

MD5 bea37c754138109355b34f1ebc6defc5
SHA1 3efd45599dd8b2cb8034453a63d2c919eeded3e6
SHA256 08c5a2bcfce6d00aebd9e3c41210e935a7fdc2bb6237fc53eb06c99edf0ac292
SHA512 683aafeda26d3df844aaf1e74e4621f27f80ccf6a1b21865b78a134cde92119613a81ec774f184fc53fc387de097a07ff257ab91dadda5874d70ea84dfa2b64d

\??\c:\windows\fonts\240557796.dll

MD5 bea37c754138109355b34f1ebc6defc5
SHA1 3efd45599dd8b2cb8034453a63d2c919eeded3e6
SHA256 08c5a2bcfce6d00aebd9e3c41210e935a7fdc2bb6237fc53eb06c99edf0ac292
SHA512 683aafeda26d3df844aaf1e74e4621f27f80ccf6a1b21865b78a134cde92119613a81ec774f184fc53fc387de097a07ff257ab91dadda5874d70ea84dfa2b64d

memory/2624-135-0x0000000000000000-mapping.dmp

memory/3308-136-0x0000000000000000-mapping.dmp

memory/4924-137-0x0000000000000000-mapping.dmp

C:\Windows\SysWOW64\serivces.exe

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

C:\Windows\Fonts\240557796.dll

MD5 bea37c754138109355b34f1ebc6defc5
SHA1 3efd45599dd8b2cb8034453a63d2c919eeded3e6
SHA256 08c5a2bcfce6d00aebd9e3c41210e935a7fdc2bb6237fc53eb06c99edf0ac292
SHA512 683aafeda26d3df844aaf1e74e4621f27f80ccf6a1b21865b78a134cde92119613a81ec774f184fc53fc387de097a07ff257ab91dadda5874d70ea84dfa2b64d

C:\Windows\SysWOW64\serivces.exe

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