Malware Analysis Report

2024-10-24 17:01

Sample ID 240619-z82vmasckf
Target 00911c0c8bdd6a9ea6475d6f084e9fc4_JaffaCakes118
SHA256 4807ae3c436d9d78af5dd7d85b4c3bf5e1bc33cc447ba9be6297e7c2344519ac
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

4807ae3c436d9d78af5dd7d85b4c3bf5e1bc33cc447ba9be6297e7c2344519ac

Threat Level: Known bad

The file 00911c0c8bdd6a9ea6475d6f084e9fc4_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

gh0strat persistence rat

Gh0st RAT payload

Gh0strat

Server Software Component: Terminal Services DLL

Unsigned PE

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-19 21:24

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-19 21:24

Reported

2024-06-19 21:26

Platform

win7-20240508-en

Max time kernel

149s

Max time network

149s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\00911c0c8bdd6a9ea6475d6f084e9fc4_JaffaCakes118.dll,#1

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
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:\\Users\\Admin\\AppData\\Local\\Temp\\00911c0c8bdd6a9ea6475d6f084e9fc4_JaffaCakes118.dll" 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
Token: SeDebugPrivilege N/A C:\Windows\SysWOW64\rundll32.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\SysWOW64\rundll32.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1484 wrote to memory of 2072 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1484 wrote to memory of 2072 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1484 wrote to memory of 2072 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1484 wrote to memory of 2072 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1484 wrote to memory of 2072 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1484 wrote to memory of 2072 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1484 wrote to memory of 2072 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2952 wrote to memory of 2704 N/A C:\Windows\SysWOW64\svchost.exe C:\Windows\SysWOW64\rundll32.exe
PID 2952 wrote to memory of 2704 N/A C:\Windows\SysWOW64\svchost.exe C:\Windows\SysWOW64\rundll32.exe
PID 2952 wrote to memory of 2704 N/A C:\Windows\SysWOW64\svchost.exe C:\Windows\SysWOW64\rundll32.exe
PID 2952 wrote to memory of 2704 N/A C:\Windows\SysWOW64\svchost.exe C:\Windows\SysWOW64\rundll32.exe
PID 2952 wrote to memory of 2704 N/A C:\Windows\SysWOW64\svchost.exe C:\Windows\SysWOW64\rundll32.exe
PID 2952 wrote to memory of 2704 N/A C:\Windows\SysWOW64\svchost.exe C:\Windows\SysWOW64\rundll32.exe
PID 2952 wrote to memory of 2704 N/A C:\Windows\SysWOW64\svchost.exe C:\Windows\SysWOW64\rundll32.exe

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\00911c0c8bdd6a9ea6475d6f084e9fc4_JaffaCakes118.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\00911c0c8bdd6a9ea6475d6f084e9fc4_JaffaCakes118.dll,#1

C:\Windows\SysWOW64\svchost.exe

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

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe c:\users\admin\appdata\local\temp\00911c0c8bdd6a9ea6475d6f084e9fc4_jaffacakes118.dll wintest

Network

Country Destination Domain Proto
US 8.8.8.8:53 zkem.dns0755.net udp
US 8.8.8.8:53 zkem.dns0755.net udp
US 8.8.8.8:53 zkem.dns0755.net udp

Files

memory/2072-0-0x0000000010000000-0x0000000010026000-memory.dmp

memory/2072-2-0x0000000010000000-0x0000000010026000-memory.dmp

memory/2072-1-0x0000000010000000-0x0000000010026000-memory.dmp

memory/2072-4-0x0000000010000000-0x0000000010026000-memory.dmp

memory/2072-3-0x0000000010023000-0x0000000010024000-memory.dmp

memory/2704-6-0x0000000010000000-0x0000000010026000-memory.dmp

memory/2952-5-0x0000000010000000-0x0000000010026000-memory.dmp

memory/2704-8-0x0000000010000000-0x0000000010026000-memory.dmp

memory/2704-12-0x0000000010000000-0x0000000010026000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-19 21:24

Reported

2024-06-19 21:26

Platform

win10v2004-20240611-en

Max time kernel

150s

Max time network

150s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\00911c0c8bdd6a9ea6475d6f084e9fc4_JaffaCakes118.dll,#1

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
N/A N/A N/A N/A
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:\\Users\\Admin\\AppData\\Local\\Temp\\00911c0c8bdd6a9ea6475d6f084e9fc4_JaffaCakes118.dll" 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
Token: SeDebugPrivilege N/A C:\Windows\SysWOW64\rundll32.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\SysWOW64\rundll32.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2116 wrote to memory of 3436 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2116 wrote to memory of 3436 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2116 wrote to memory of 3436 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 964 wrote to memory of 2724 N/A C:\Windows\SysWOW64\svchost.exe C:\Windows\SysWOW64\rundll32.exe
PID 964 wrote to memory of 2724 N/A C:\Windows\SysWOW64\svchost.exe C:\Windows\SysWOW64\rundll32.exe
PID 964 wrote to memory of 2724 N/A C:\Windows\SysWOW64\svchost.exe C:\Windows\SysWOW64\rundll32.exe

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\00911c0c8bdd6a9ea6475d6f084e9fc4_JaffaCakes118.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\00911c0c8bdd6a9ea6475d6f084e9fc4_JaffaCakes118.dll,#1

C:\Windows\SysWOW64\svchost.exe

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

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe c:\users\admin\appdata\local\temp\00911c0c8bdd6a9ea6475d6f084e9fc4_jaffacakes118.dll wintest

Network

Country Destination Domain Proto
US 8.8.8.8:53 zkem.dns0755.net udp
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 13.107.21.237:443 g.bing.com tcp
BE 23.41.178.113:443 www.bing.com tcp
US 8.8.8.8:53 136.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 82.90.14.23.in-addr.arpa udp
US 8.8.8.8:53 237.21.107.13.in-addr.arpa udp
BE 23.41.178.113:443 www.bing.com tcp
US 8.8.8.8:53 113.178.41.23.in-addr.arpa udp
US 8.8.8.8:53 43.58.199.20.in-addr.arpa udp
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 99.58.20.217.in-addr.arpa udp
US 8.8.8.8:53 97.90.14.23.in-addr.arpa udp
US 8.8.8.8:53 zkem.dns0755.net udp
US 8.8.8.8:53 58.99.105.20.in-addr.arpa udp
US 8.8.8.8:53 13.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 8.8.8.8:53 10.27.171.150.in-addr.arpa udp
US 8.8.8.8:53 zkem.dns0755.net udp
US 8.8.8.8:53 udp

Files

memory/3436-0-0x0000000010000000-0x0000000010026000-memory.dmp

memory/3436-1-0x0000000000650000-0x0000000000652000-memory.dmp

memory/964-3-0x0000000010000000-0x0000000010026000-memory.dmp

memory/964-2-0x0000000001A00000-0x0000000001A02000-memory.dmp

memory/2724-5-0x0000000001000000-0x0000000001002000-memory.dmp

memory/2724-4-0x0000000010000000-0x0000000010026000-memory.dmp

memory/964-6-0x0000000010000000-0x0000000010026000-memory.dmp

memory/2724-7-0x0000000010000000-0x0000000010026000-memory.dmp

memory/964-10-0x0000000001A00000-0x0000000001A02000-memory.dmp

memory/2724-11-0x0000000001000000-0x0000000001002000-memory.dmp

memory/964-12-0x0000000010000000-0x0000000010026000-memory.dmp

memory/2724-13-0x0000000010000000-0x0000000010026000-memory.dmp

memory/2724-21-0x0000000010000000-0x0000000010026000-memory.dmp