Malware Analysis Report

2025-03-15 06:33

Sample ID 240624-xjnklaxflc
Target 0a3f8205f7fe4bd91af885d71bf42d25_JaffaCakes118
SHA256 ae2f8d4d64ec48a205c3199b2db6e1a93bee71d51a4ad98fd35d35c28de5d09b
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

ae2f8d4d64ec48a205c3199b2db6e1a93bee71d51a4ad98fd35d35c28de5d09b

Threat Level: Known bad

The file 0a3f8205f7fe4bd91af885d71bf42d25_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

gh0strat persistence rat

Gh0st RAT payload

Gh0strat

Executes dropped EXE

Adds Run key to start application

Drops file in Windows directory

Unsigned PE

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-24 18:53

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-24 18:53

Reported

2024-06-24 18:55

Platform

win7-20240611-en

Max time kernel

152s

Max time network

124s

Command Line

"C:\Users\Admin\AppData\Local\Temp\0a3f8205f7fe4bd91af885d71bf42d25_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
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
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

Executes dropped EXE

Description Indicator Process Target
N/A N/A \??\c:\Windows\svchest000.exe N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Kris = "C:\\Users\\Admin\\AppData\\Local\\Temp\\0a3f8205f7fe4bd91af885d71bf42d25_JaffaCakes118.exe" C:\Users\Admin\AppData\Local\Temp\0a3f8205f7fe4bd91af885d71bf42d25_JaffaCakes118.exe N/A

Drops file in Windows directory

Description Indicator Process Target
File opened for modification \??\c:\Windows\svchest000.exe C:\Users\Admin\AppData\Local\Temp\0a3f8205f7fe4bd91af885d71bf42d25_JaffaCakes118.exe N/A
File opened for modification \??\c:\Windows\BJ.exe C:\Users\Admin\AppData\Local\Temp\0a3f8205f7fe4bd91af885d71bf42d25_JaffaCakes118.exe N/A
File created \??\c:\Windows\BJ.exe C:\Users\Admin\AppData\Local\Temp\0a3f8205f7fe4bd91af885d71bf42d25_JaffaCakes118.exe N/A
File created \??\c:\Windows\svchest000.exe C:\Users\Admin\AppData\Local\Temp\0a3f8205f7fe4bd91af885d71bf42d25_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\0a3f8205f7fe4bd91af885d71bf42d25_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\0a3f8205f7fe4bd91af885d71bf42d25_JaffaCakes118.exe"

\??\c:\Windows\svchest000.exe

c:\Windows\svchest000.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 aa0533.3322.org udp

Files

memory/2208-0-0x0000000000400000-0x000000000054E000-memory.dmp

memory/2208-1-0x00000000006E0000-0x000000000071E000-memory.dmp

memory/2208-5-0x0000000000250000-0x0000000000251000-memory.dmp

memory/2208-4-0x0000000000240000-0x0000000000242000-memory.dmp

memory/2208-3-0x0000000000230000-0x0000000000231000-memory.dmp

memory/2208-2-0x00000000006E0000-0x000000000071E000-memory.dmp

memory/2208-7-0x0000000000400000-0x000000000054E000-memory.dmp

memory/2208-6-0x0000000000400000-0x000000000054E000-memory.dmp

memory/2208-9-0x0000000000400000-0x000000000054E000-memory.dmp

memory/2208-11-0x0000000000400000-0x000000000054E000-memory.dmp

memory/2208-10-0x0000000000401000-0x0000000000468000-memory.dmp

memory/2208-8-0x0000000000400000-0x000000000054E000-memory.dmp

C:\Windows\svchest000.exe

MD5 0a3f8205f7fe4bd91af885d71bf42d25
SHA1 93cb6db3c98412214c64d051b5a53b93729d86f9
SHA256 ae2f8d4d64ec48a205c3199b2db6e1a93bee71d51a4ad98fd35d35c28de5d09b
SHA512 97549bdc0e588cd93800e33529703994454e8a7b4e8dbcbe6121d41c781610b246953698cc77feb2421008a2f6118e3e39f3f07ed9ce178bbdd54fc6b2088247

memory/2208-18-0x0000000002B30000-0x0000000002C7E000-memory.dmp

memory/1964-19-0x0000000000400000-0x000000000054E000-memory.dmp

memory/1964-30-0x0000000000400000-0x000000000054E000-memory.dmp

memory/1964-29-0x0000000000400000-0x000000000054E000-memory.dmp

memory/1964-28-0x0000000000230000-0x000000000026E000-memory.dmp

memory/1964-27-0x0000000000400000-0x000000000054E000-memory.dmp

memory/1964-26-0x0000000000400000-0x000000000054E000-memory.dmp

memory/1964-25-0x0000000000400000-0x000000000054E000-memory.dmp

memory/1964-24-0x0000000000400000-0x000000000054E000-memory.dmp

memory/1964-23-0x0000000000400000-0x000000000054E000-memory.dmp

memory/1964-22-0x0000000000400000-0x000000000054E000-memory.dmp

memory/1964-21-0x0000000000400000-0x000000000054E000-memory.dmp

memory/1964-20-0x0000000000230000-0x000000000026E000-memory.dmp

memory/2208-33-0x0000000000400000-0x000000000054E000-memory.dmp

memory/2208-34-0x00000000006E0000-0x000000000071E000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-24 18:53

Reported

2024-06-24 18:55

Platform

win10v2004-20240508-en

Max time kernel

150s

Max time network

56s

Command Line

"C:\Users\Admin\AppData\Local\Temp\0a3f8205f7fe4bd91af885d71bf42d25_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
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
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

Executes dropped EXE

Description Indicator Process Target
N/A N/A \??\c:\Windows\svchest425075242507520.exe N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Kris = "C:\\Users\\Admin\\AppData\\Local\\Temp\\0a3f8205f7fe4bd91af885d71bf42d25_JaffaCakes118.exe" C:\Users\Admin\AppData\Local\Temp\0a3f8205f7fe4bd91af885d71bf42d25_JaffaCakes118.exe N/A

Drops file in Windows directory

Description Indicator Process Target
File created \??\c:\Windows\BJ.exe C:\Users\Admin\AppData\Local\Temp\0a3f8205f7fe4bd91af885d71bf42d25_JaffaCakes118.exe N/A
File opened for modification \??\c:\Windows\BJ.exe C:\Users\Admin\AppData\Local\Temp\0a3f8205f7fe4bd91af885d71bf42d25_JaffaCakes118.exe N/A
File created \??\c:\Windows\svchest425075242507520.exe C:\Users\Admin\AppData\Local\Temp\0a3f8205f7fe4bd91af885d71bf42d25_JaffaCakes118.exe N/A
File opened for modification \??\c:\Windows\svchest425075242507520.exe C:\Users\Admin\AppData\Local\Temp\0a3f8205f7fe4bd91af885d71bf42d25_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\0a3f8205f7fe4bd91af885d71bf42d25_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\0a3f8205f7fe4bd91af885d71bf42d25_JaffaCakes118.exe"

\??\c:\Windows\svchest425075242507520.exe

c:\Windows\svchest425075242507520.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 aa0533.3322.org udp

Files

memory/3108-0-0x0000000000400000-0x000000000054E000-memory.dmp

memory/3108-1-0x00000000022D0000-0x000000000230E000-memory.dmp

memory/3108-4-0x0000000000400000-0x000000000054E000-memory.dmp

memory/3108-5-0x0000000000400000-0x000000000054E000-memory.dmp

memory/3108-3-0x0000000000400000-0x000000000054E000-memory.dmp

memory/3108-11-0x0000000000400000-0x000000000054E000-memory.dmp

memory/3108-10-0x0000000000401000-0x0000000000468000-memory.dmp

memory/3108-9-0x0000000000820000-0x0000000000821000-memory.dmp

memory/3108-8-0x0000000000680000-0x0000000000682000-memory.dmp

memory/3108-6-0x0000000000400000-0x000000000054E000-memory.dmp

C:\Windows\svchest425075242507520.exe

MD5 0a3f8205f7fe4bd91af885d71bf42d25
SHA1 93cb6db3c98412214c64d051b5a53b93729d86f9
SHA256 ae2f8d4d64ec48a205c3199b2db6e1a93bee71d51a4ad98fd35d35c28de5d09b
SHA512 97549bdc0e588cd93800e33529703994454e8a7b4e8dbcbe6121d41c781610b246953698cc77feb2421008a2f6118e3e39f3f07ed9ce178bbdd54fc6b2088247

memory/3108-7-0x0000000000670000-0x0000000000671000-memory.dmp

memory/3108-2-0x00000000022D0000-0x000000000230E000-memory.dmp

memory/3012-21-0x0000000000400000-0x000000000054E000-memory.dmp

memory/3012-25-0x0000000000400000-0x000000000054E000-memory.dmp

memory/3012-27-0x0000000000400000-0x000000000054E000-memory.dmp

memory/3012-26-0x0000000000400000-0x000000000054E000-memory.dmp

memory/3012-20-0x0000000000400000-0x000000000054E000-memory.dmp

memory/3012-19-0x0000000000670000-0x00000000006AE000-memory.dmp

memory/3012-24-0x0000000000400000-0x000000000054E000-memory.dmp

memory/3012-22-0x0000000000400000-0x000000000054E000-memory.dmp

memory/3012-30-0x0000000000400000-0x000000000054E000-memory.dmp

memory/3012-31-0x0000000000400000-0x000000000054E000-memory.dmp

memory/3012-28-0x0000000000670000-0x00000000006AE000-memory.dmp

memory/3108-33-0x0000000000400000-0x000000000054E000-memory.dmp

memory/3108-34-0x00000000022D0000-0x000000000230E000-memory.dmp