Malware Analysis Report

2024-10-24 17:01

Sample ID 240619-xsg46ssbkl
Target 001856b5877ef8d7b3f14d9c28db6435_JaffaCakes118
SHA256 74f7974514affbb0e6e4b11e6ce19097d2a6efc097364881af76215bd4ceb5d9
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

74f7974514affbb0e6e4b11e6ce19097d2a6efc097364881af76215bd4ceb5d9

Threat Level: Known bad

The file 001856b5877ef8d7b3f14d9c28db6435_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

gh0strat persistence rat

Gh0st RAT payload

Gh0strat family

Gh0strat

Server Software Component: Terminal Services DLL

Drops file in Drivers directory

Deletes itself

Loads dropped DLL

Drops file in System32 directory

Unsigned PE

Suspicious behavior: LoadsDriver

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-19 19:06

Signatures

Gh0st RAT payload

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

Gh0strat family

gh0strat

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-19 19:06

Reported

2024-06-19 19:09

Platform

win7-20240508-en

Max time kernel

140s

Max time network

152s

Command Line

"C:\Users\Admin\AppData\Local\Temp\001856b5877ef8d7b3f14d9c28db6435_JaffaCakes118.exe"

Signatures

Gh0st RAT payload

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

Gh0strat

rat gh0strat

Drops file in Drivers directory

Description Indicator Process Target
File opened for modification C:\Windows\SysWOW64\Drivers\beep.sys C:\Windows\SysWOW64\svchost.exe N/A

Server Software Component: Terminal Services DLL

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\FastUserSwitchingCompatibility\Parameters\ServiceDll = "C:\\Windows\\system32\\FastUserSwitchingCompatibilityexxxx.dll" C:\Users\Admin\AppData\Local\Temp\001856b5877ef8d7b3f14d9c28db6435_JaffaCakes118.exe N/A

Deletes itself

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

Loads dropped DLL

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

Drops file in System32 directory

Description Indicator Process Target
File opened for modification C:\Windows\SysWOW64\FastUserSwitchingCompatibilityexxxx.dll C:\Users\Admin\AppData\Local\Temp\001856b5877ef8d7b3f14d9c28db6435_JaffaCakes118.exe N/A

Suspicious behavior: LoadsDriver

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

Processes

C:\Users\Admin\AppData\Local\Temp\001856b5877ef8d7b3f14d9c28db6435_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\001856b5877ef8d7b3f14d9c28db6435_JaffaCakes118.exe"

C:\Windows\SysWOW64\svchost.exe

C:\Windows\SysWOW64\svchost.exe -k netsvcs

Network

Country Destination Domain Proto
US 8.8.8.8:53 zhouchuangxin.3322.org udp
US 8.8.8.8:53 zhouchuangxin.3322.org udp

Files

memory/1252-0-0x0000000000400000-0x000000000041D000-memory.dmp

\Windows\SysWOW64\FastUserSwitchingCompatibilityexxxx.dll

MD5 a44273652f0bb9e60b75cd9cff928189
SHA1 f97c0e4224d88795ca778fbea14c09b193e59915
SHA256 3c3bc99626a02059db0ed029ab7798952439ab7e9b49e82b5c8c1ed5dae5b397
SHA512 54d38b2581c43d744ec7df4aa309fd077f6b430938bc4a65d69789a5ef032b169a2924e798adb3e28d3cd54eda99af18d8d5b4eba7c1e53a85af10dacd841674

memory/1252-5-0x0000000000400000-0x000000000041D000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-19 19:06

Reported

2024-06-19 19:09

Platform

win10v2004-20240508-en

Max time kernel

140s

Max time network

156s

Command Line

"C:\Users\Admin\AppData\Local\Temp\001856b5877ef8d7b3f14d9c28db6435_JaffaCakes118.exe"

Signatures

Gh0st RAT payload

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

Gh0strat

rat gh0strat

Drops file in Drivers directory

Description Indicator Process Target
File opened for modification C:\Windows\SysWOW64\Drivers\beep.sys C:\Windows\SysWOW64\svchost.exe N/A

Server Software Component: Terminal Services DLL

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\FastUserSwitchingCompatibility\Parameters\ServiceDll = "C:\\Windows\\system32\\FastUserSwitchingCompatibilityexxxx.dll" C:\Users\Admin\AppData\Local\Temp\001856b5877ef8d7b3f14d9c28db6435_JaffaCakes118.exe N/A

Deletes itself

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

Loads dropped DLL

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

Drops file in System32 directory

Description Indicator Process Target
File opened for modification C:\Windows\SysWOW64\FastUserSwitchingCompatibilityexxxx.dll C:\Users\Admin\AppData\Local\Temp\001856b5877ef8d7b3f14d9c28db6435_JaffaCakes118.exe N/A

Suspicious behavior: LoadsDriver

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

Processes

C:\Users\Admin\AppData\Local\Temp\001856b5877ef8d7b3f14d9c28db6435_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\001856b5877ef8d7b3f14d9c28db6435_JaffaCakes118.exe"

C:\Windows\SysWOW64\svchost.exe

C:\Windows\SysWOW64\svchost.exe -k netsvcs -s FastUserSwitchingCompatibility

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 zhouchuangxin.3322.org udp
US 8.8.8.8:53 zhouchuangxin.3322.org udp

Files

memory/2372-0-0x0000000000400000-0x000000000041D000-memory.dmp

memory/2372-5-0x0000000000400000-0x000000000041D000-memory.dmp

\??\c:\windows\SysWOW64\fastuserswitchingcompatibilityexxxx.dll

MD5 a44273652f0bb9e60b75cd9cff928189
SHA1 f97c0e4224d88795ca778fbea14c09b193e59915
SHA256 3c3bc99626a02059db0ed029ab7798952439ab7e9b49e82b5c8c1ed5dae5b397
SHA512 54d38b2581c43d744ec7df4aa309fd077f6b430938bc4a65d69789a5ef032b169a2924e798adb3e28d3cd54eda99af18d8d5b4eba7c1e53a85af10dacd841674