Malware Analysis Report

2025-08-06 01:47

Sample ID 241031-cy9fdsypgp
Target 81398ede98e5ed4a258df4d95167bd2b_JaffaCakes118
SHA256 e0883b9aee2697bbdddb4705fd68f410cc7b56f54cce62d84d72de77304e84ed
Tags
gh0strat discovery 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

e0883b9aee2697bbdddb4705fd68f410cc7b56f54cce62d84d72de77304e84ed

Threat Level: Known bad

The file 81398ede98e5ed4a258df4d95167bd2b_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

gh0strat discovery persistence rat

Gh0strat

Gh0st RAT payload

Gh0strat family

Executes dropped EXE

Loads dropped DLL

Adds Run key to start application

Suspicious use of SetThreadContext

System Location Discovery: System Language Discovery

Program crash

Unsigned PE

Suspicious use of UnmapMainImage

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-10-31 02:30

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-10-31 02:30

Reported

2024-10-31 03:32

Platform

win7-20241010-en

Max time kernel

122s

Max time network

129s

Command Line

"C:\Users\Admin\AppData\Local\Temp\ZZZVMP~1.exe"

Signatures

Gh0st RAT payload

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

Gh0strat

rat gh0strat

Gh0strat family

gh0strat

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Output.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Output.exe N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup0 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP000.TMP\\\"" C:\Users\Admin\AppData\Local\Temp\ZZZVMP~1.exe N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 2584 set thread context of 1936 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Output.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Output.exe

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\ZZZVMP~1.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Output.exe N/A

Suspicious use of UnmapMainImage

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Output.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2356 wrote to memory of 2584 N/A C:\Users\Admin\AppData\Local\Temp\ZZZVMP~1.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Output.exe
PID 2356 wrote to memory of 2584 N/A C:\Users\Admin\AppData\Local\Temp\ZZZVMP~1.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Output.exe
PID 2356 wrote to memory of 2584 N/A C:\Users\Admin\AppData\Local\Temp\ZZZVMP~1.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Output.exe
PID 2356 wrote to memory of 2584 N/A C:\Users\Admin\AppData\Local\Temp\ZZZVMP~1.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Output.exe
PID 2356 wrote to memory of 2584 N/A C:\Users\Admin\AppData\Local\Temp\ZZZVMP~1.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Output.exe
PID 2356 wrote to memory of 2584 N/A C:\Users\Admin\AppData\Local\Temp\ZZZVMP~1.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Output.exe
PID 2356 wrote to memory of 2584 N/A C:\Users\Admin\AppData\Local\Temp\ZZZVMP~1.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Output.exe
PID 2584 wrote to memory of 1936 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Output.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Output.exe
PID 2584 wrote to memory of 1936 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Output.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Output.exe
PID 2584 wrote to memory of 1936 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Output.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Output.exe
PID 2584 wrote to memory of 1936 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Output.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Output.exe
PID 2584 wrote to memory of 1936 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Output.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Output.exe
PID 2584 wrote to memory of 1936 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Output.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Output.exe
PID 2584 wrote to memory of 1936 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Output.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Output.exe
PID 2584 wrote to memory of 1936 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Output.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Output.exe
PID 2584 wrote to memory of 1936 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Output.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Output.exe
PID 2584 wrote to memory of 1936 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Output.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Output.exe
PID 2584 wrote to memory of 1936 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Output.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Output.exe
PID 2584 wrote to memory of 1936 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Output.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Output.exe
PID 2584 wrote to memory of 1936 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Output.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Output.exe

Processes

C:\Users\Admin\AppData\Local\Temp\ZZZVMP~1.exe

"C:\Users\Admin\AppData\Local\Temp\ZZZVMP~1.exe"

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Output.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Output.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Output.exe

"C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Output.exe"

Network

N/A

Files

\Users\Admin\AppData\Local\Temp\IXP000.TMP\Output.exe

MD5 baaa4a7d34833b22d9687e255b7d6de6
SHA1 7a8a50882c5f6ead554a6f9c3d0084a2df0bc507
SHA256 42e9d01c78c87aac25988c0c9623912e779e7208496e916841fc2b3d56b5e143
SHA512 d3260111bc629ee6365df1697c966e15ac9bac847aa6805fde73defe6068c1f8cd6de15ff5d4f7beea8e2b62e957860da8fd69d384bb5a818218ed1af4d95499

memory/2584-30-0x0000000000010000-0x0000000000048000-memory.dmp

memory/1936-26-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/1936-25-0x0000000000400000-0x000000000042E000-memory.dmp

memory/1936-22-0x0000000000400000-0x000000000042E000-memory.dmp

memory/1936-19-0x0000000000400000-0x000000000042E000-memory.dmp

memory/1936-16-0x0000000000400000-0x000000000042E000-memory.dmp

memory/1936-14-0x0000000000400000-0x000000000042E000-memory.dmp

memory/1936-12-0x0000000000400000-0x000000000042E000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-10-31 02:30

Reported

2024-10-31 03:37

Platform

win10v2004-20241007-en

Max time kernel

150s

Max time network

153s

Command Line

"C:\Users\Admin\AppData\Local\Temp\ZZZVMP~1.exe"

Signatures

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Output.exe N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup0 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP000.TMP\\\"" C:\Users\Admin\AppData\Local\Temp\ZZZVMP~1.exe N/A

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\ZZZVMP~1.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Output.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\ZZZVMP~1.exe

"C:\Users\Admin\AppData\Local\Temp\ZZZVMP~1.exe"

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Output.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Output.exe

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 2144 -ip 2144

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2144 -s 616

Network

Country Destination Domain Proto
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 8.8.8.8:53 23.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 2.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 241.42.69.40.in-addr.arpa udp
US 8.8.8.8:53 79.190.18.2.in-addr.arpa udp
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp
US 8.8.8.8:53 19.229.111.52.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 150.171.27.10:443 tse1.mm.bing.net tcp
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 udp

Files

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Output.exe

MD5 baaa4a7d34833b22d9687e255b7d6de6
SHA1 7a8a50882c5f6ead554a6f9c3d0084a2df0bc507
SHA256 42e9d01c78c87aac25988c0c9623912e779e7208496e916841fc2b3d56b5e143
SHA512 d3260111bc629ee6365df1697c966e15ac9bac847aa6805fde73defe6068c1f8cd6de15ff5d4f7beea8e2b62e957860da8fd69d384bb5a818218ed1af4d95499

memory/2144-5-0x0000000000010000-0x0000000000048000-memory.dmp