Malware Analysis Report

2024-10-16 03:05

Sample ID 240619-vc629atglc
Target bd5b837956c6fd60dc5953a056fe5697_JaffaCakes118
SHA256 ca94631d0a21c2d81691722077f8297f6bca7ef30473bc252740f8850e91c33d
Tags
0 cobaltstrike
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

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

ca94631d0a21c2d81691722077f8297f6bca7ef30473bc252740f8850e91c33d

Threat Level: Known bad

The file bd5b837956c6fd60dc5953a056fe5697_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

0 cobaltstrike

Cobalt Strike reflective loader

Cobaltstrike family

Unsigned PE

Program crash

Suspicious use of WriteProcessMemory

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-06-19 16:51

Signatures

Cobalt Strike reflective loader

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

Cobaltstrike family

cobaltstrike

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-19 16:51

Reported

2024-06-19 16:54

Platform

win7-20240508-en

Max time kernel

118s

Max time network

118s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\bd5b837956c6fd60dc5953a056fe5697_JaffaCakes118.dll,#1

Signatures

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\bd5b837956c6fd60dc5953a056fe5697_JaffaCakes118.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\bd5b837956c6fd60dc5953a056fe5697_JaffaCakes118.dll,#1

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2796 -s 240

Network

N/A

Files

N/A

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-19 16:51

Reported

2024-06-19 16:54

Platform

win10v2004-20240508-en

Max time kernel

52s

Max time network

52s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\bd5b837956c6fd60dc5953a056fe5697_JaffaCakes118.dll,#1

Signatures

Program crash

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

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2444 wrote to memory of 4268 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2444 wrote to memory of 4268 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2444 wrote to memory of 4268 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\bd5b837956c6fd60dc5953a056fe5697_JaffaCakes118.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\bd5b837956c6fd60dc5953a056fe5697_JaffaCakes118.dll,#1

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4268 -ip 4268

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4268 -s 680

Network

Files

N/A