Malware Analysis Report

2024-08-06 19:01

Sample ID 240614-pjnxcsthjq
Target a9a664f861c8760234dbd3438430c15d_JaffaCakes118
SHA256 01bea97116f80c31705384db6c7e84ff216ef1dcf9daf8ae6ed3f2550b21b978
Tags
darkcomet
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK Matrix

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

01bea97116f80c31705384db6c7e84ff216ef1dcf9daf8ae6ed3f2550b21b978

Threat Level: Known bad

The file a9a664f861c8760234dbd3438430c15d_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

darkcomet

Darkcomet family

Program crash

Unsigned PE

Suspicious use of WriteProcessMemory

MITRE ATT&CK Matrix

N/A

Analysis: static1

Detonation Overview

Reported

2024-06-14 12:21

Signatures

Darkcomet family

darkcomet

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-14 12:21

Reported

2024-06-14 12:24

Platform

win7-20240508-en

Max time kernel

120s

Max time network

121s

Command Line

"C:\Users\Admin\AppData\Local\Temp\a9a664f861c8760234dbd3438430c15d_JaffaCakes118.exe"

Signatures

Program crash

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\WerFault.exe C:\Users\Admin\AppData\Local\Temp\a9a664f861c8760234dbd3438430c15d_JaffaCakes118.exe

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1932 wrote to memory of 2068 N/A C:\Users\Admin\AppData\Local\Temp\a9a664f861c8760234dbd3438430c15d_JaffaCakes118.exe C:\Windows\SysWOW64\WerFault.exe
PID 1932 wrote to memory of 2068 N/A C:\Users\Admin\AppData\Local\Temp\a9a664f861c8760234dbd3438430c15d_JaffaCakes118.exe C:\Windows\SysWOW64\WerFault.exe
PID 1932 wrote to memory of 2068 N/A C:\Users\Admin\AppData\Local\Temp\a9a664f861c8760234dbd3438430c15d_JaffaCakes118.exe C:\Windows\SysWOW64\WerFault.exe
PID 1932 wrote to memory of 2068 N/A C:\Users\Admin\AppData\Local\Temp\a9a664f861c8760234dbd3438430c15d_JaffaCakes118.exe C:\Windows\SysWOW64\WerFault.exe

Processes

C:\Users\Admin\AppData\Local\Temp\a9a664f861c8760234dbd3438430c15d_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\a9a664f861c8760234dbd3438430c15d_JaffaCakes118.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1932 -s 116

Network

N/A

Files

N/A

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-14 12:21

Reported

2024-06-14 12:24

Platform

win10v2004-20240508-en

Max time kernel

147s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\a9a664f861c8760234dbd3438430c15d_JaffaCakes118.exe"

Signatures

Program crash

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\WerFault.exe C:\Users\Admin\AppData\Local\Temp\a9a664f861c8760234dbd3438430c15d_JaffaCakes118.exe

Processes

C:\Users\Admin\AppData\Local\Temp\a9a664f861c8760234dbd3438430c15d_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\a9a664f861c8760234dbd3438430c15d_JaffaCakes118.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1008 -ip 1008

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1008 -s 312

Network

Files

N/A