Malware Analysis Report

2024-10-24 17:01

Sample ID 240619-ympgqstcqp
Target 0039d222ef7f9efa1edd0fbb6f139776_JaffaCakes118
SHA256 18c74194c77c1c5a201204d99a7bfde3a8d479f08963608639de96c19ce0b417
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

18c74194c77c1c5a201204d99a7bfde3a8d479f08963608639de96c19ce0b417

Threat Level: Known bad

The file 0039d222ef7f9efa1edd0fbb6f139776_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

gh0strat persistence rat

Gh0st RAT payload

Gh0strat

Server Software Component: Terminal Services DLL

Loads dropped DLL

Deletes itself

Drops file in Windows directory

Unsigned PE

Suspicious use of SetWindowsHookEx

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-19 19:54

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-19 19:54

Reported

2024-06-19 19:56

Platform

win7-20240611-en

Max time kernel

143s

Max time network

122s

Command Line

"C:\Users\Admin\AppData\Local\Temp\0039d222ef7f9efa1edd0fbb6f139776_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

Server Software Component: Terminal Services DLL

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\FastUserSwitchingCompatibility\Parameters\ServiceDll = "C:\\Windows\\FastUserSwitchingCompatibilitybeas.dat" C:\Users\Admin\AppData\Local\Temp\0039d222ef7f9efa1edd0fbb6f139776_JaffaCakes118.exe N/A

Deletes itself

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

Drops file in Windows directory

Description Indicator Process Target
File created C:\Windows\FastUserSwitchingCompatibilitybeas.dat C:\Users\Admin\AppData\Local\Temp\0039d222ef7f9efa1edd0fbb6f139776_JaffaCakes118.exe N/A
File opened for modification C:\Windows\RCX65E4.tmp C:\Users\Admin\AppData\Local\Temp\0039d222ef7f9efa1edd0fbb6f139776_JaffaCakes118.exe N/A

Suspicious use of AdjustPrivilegeToken

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

Processes

C:\Users\Admin\AppData\Local\Temp\0039d222ef7f9efa1edd0fbb6f139776_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\0039d222ef7f9efa1edd0fbb6f139776_JaffaCakes118.exe"

C:\Windows\SysWOW64\svchost.exe

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

C:\Windows\SysWOW64\cmd.exe

cmd /c del "C:\Users\Admin\AppData\Local\Temp\0039d222ef7f9efa1edd0fbb6f139776_JaffaCakes118.exe"

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe c:\windows\fastuserswitchingcompatibilitybeas.dat, abcd

Network

N/A

Files

\??\c:\windows\fastuserswitchingcompatibilitybeas.dat

MD5 7064390e507841e391c8403387ca9730
SHA1 ce2938c73839afa306ae23f396f6903069b52cda
SHA256 5884174ca023dabbab7ff99d4a06939ff889a05c0bb0faa94a68b36b3fd9ce2d
SHA512 d1680af228727f6c4cc3287c43fb4349ea358f0afdc5de5e02ccc000be206e868c14c7809fee40edab4e6ddd3b43b225a1315bd904192c764f747ec84045f1c8

memory/2644-6-0x0000000010000000-0x00000000118C5000-memory.dmp

memory/2304-7-0x0000000010000000-0x00000000118C5000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-19 19:54

Reported

2024-06-19 19:57

Platform

win10v2004-20240226-en

Max time kernel

151s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\0039d222ef7f9efa1edd0fbb6f139776_JaffaCakes118.exe"

Signatures

Gh0st RAT payload

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

Gh0strat

rat gh0strat

Server Software Component: Terminal Services DLL

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\FastUserSwitchingCompatibility\Parameters\ServiceDll = "C:\\Windows\\FastUserSwitchingCompatibilitybeas.dat" C:\Users\Admin\AppData\Local\Temp\0039d222ef7f9efa1edd0fbb6f139776_JaffaCakes118.exe N/A

Loads dropped DLL

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\svchost.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A

Drops file in Windows directory

Description Indicator Process Target
File created C:\Windows\FastUserSwitchingCompatibilitybeas.dat C:\Users\Admin\AppData\Local\Temp\0039d222ef7f9efa1edd0fbb6f139776_JaffaCakes118.exe N/A
File opened for modification C:\Windows\RCX3A5.tmp C:\Users\Admin\AppData\Local\Temp\0039d222ef7f9efa1edd0fbb6f139776_JaffaCakes118.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A

Suspicious use of AdjustPrivilegeToken

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

Processes

C:\Users\Admin\AppData\Local\Temp\0039d222ef7f9efa1edd0fbb6f139776_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\0039d222ef7f9efa1edd0fbb6f139776_JaffaCakes118.exe"

C:\Windows\SysWOW64\svchost.exe

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

C:\Windows\SysWOW64\cmd.exe

cmd /c del "C:\Users\Admin\AppData\Local\Temp\0039d222ef7f9efa1edd0fbb6f139776_JaffaCakes118.exe"

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe c:\windows\fastuserswitchingcompatibilitybeas.dat, abcd

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe

"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4060 --field-trial-handle=2328,i,5873823382323802923,13134441441264702821,262144 --variations-seed-version /prefetch:8

Network

Country Destination Domain Proto
GB 96.16.110.114:80 tcp
US 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 8.8.8.8:53 203.107.17.2.in-addr.arpa udp
US 8.8.8.8:53 68.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
US 8.8.8.8:53 76.234.34.23.in-addr.arpa udp
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 13.107.253.64:443 tcp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 chromewebstore.googleapis.com udp
US 8.8.8.8:53 chromewebstore.googleapis.com udp
GB 142.250.178.10:443 chromewebstore.googleapis.com tcp
US 8.8.8.8:53 pki.goog udp
US 8.8.8.8:53 pki.goog udp
US 216.239.32.29:80 pki.goog tcp
US 8.8.8.8:53 10.178.250.142.in-addr.arpa udp
US 8.8.8.8:53 29.32.239.216.in-addr.arpa udp
US 8.8.8.8:53 145.83.221.88.in-addr.arpa udp
US 8.8.8.8:53 11.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 0.205.248.87.in-addr.arpa udp
US 8.8.8.8:53 27.73.42.20.in-addr.arpa udp

Files

\??\c:\windows\fastuserswitchingcompatibilitybeas.dat

MD5 f935ac980f3d29f82e2be3e68593fdaf
SHA1 cc8c6d9f9bdf0eee1681e90fee54b907390883cb
SHA256 4bf21f324deb1549115c730ef290333ea0438f03a934fb119b862e961e765f53
SHA512 7c04aa685ad36efac2c9fd637fc403b8085961358991f88506e51969f1eff300fc1bb0fb0c4ef8716686b8f1f0bdcf2e578c95c4d4defb9507c6c7bdee1f4599