Malware Analysis Report

2024-11-30 11:27

Sample ID 220401-rg86magger
Target E-INVOICE 8424.bat
SHA256 2058cdf174be4f26f3c41c44bc614cccb89a10d1bdebf2c4e64e404a268fe5de
Tags
kutaki
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V6

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

2058cdf174be4f26f3c41c44bc614cccb89a10d1bdebf2c4e64e404a268fe5de

Threat Level: Known bad

The file E-INVOICE 8424.bat was found to be: Known bad.

Malicious Activity Summary

kutaki

Kutaki Executable

Kutaki family

Enumerates physical storage devices

Suspicious use of WriteProcessMemory

Suspicious use of SetWindowsHookEx

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2022-04-01 14:11

Signatures

Kutaki Executable

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

Kutaki family

kutaki

Analysis: behavioral1

Detonation Overview

Submitted

2022-04-01 14:11

Reported

2022-04-01 14:13

Platform

win7-20220331-en

Max time kernel

42s

Max time network

45s

Command Line

"C:\Users\Admin\AppData\Local\Temp\E-INVOICE 8424.exe"

Signatures

Enumerates physical storage devices

Processes

C:\Users\Admin\AppData\Local\Temp\E-INVOICE 8424.exe

"C:\Users\Admin\AppData\Local\Temp\E-INVOICE 8424.exe"

C:\Windows\SysWOW64\cmd.exe

cmd.exe /c C:\Users\Admin\AppData\Local\Temp\

Network

N/A

Files

memory/1148-56-0x00000000754B1000-0x00000000754B3000-memory.dmp

memory/2040-57-0x0000000000000000-mapping.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2022-04-01 14:11

Reported

2022-04-01 14:14

Platform

win10v2004-en-20220113

Max time kernel

135s

Max time network

140s

Command Line

"C:\Users\Admin\AppData\Local\Temp\E-INVOICE 8424.exe"

Signatures

Enumerates physical storage devices

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 848 wrote to memory of 1424 N/A C:\Users\Admin\AppData\Local\Temp\E-INVOICE 8424.exe C:\Windows\SysWOW64\cmd.exe
PID 848 wrote to memory of 1424 N/A C:\Users\Admin\AppData\Local\Temp\E-INVOICE 8424.exe C:\Windows\SysWOW64\cmd.exe
PID 848 wrote to memory of 1424 N/A C:\Users\Admin\AppData\Local\Temp\E-INVOICE 8424.exe C:\Windows\SysWOW64\cmd.exe

Processes

C:\Users\Admin\AppData\Local\Temp\E-INVOICE 8424.exe

"C:\Users\Admin\AppData\Local\Temp\E-INVOICE 8424.exe"

C:\Windows\SysWOW64\cmd.exe

cmd.exe /c C:\Users\Admin\AppData\Local\Temp\

Network

Country Destination Domain Proto
US 93.184.220.29:80 tcp
US 209.197.3.8:80 tcp
US 209.197.3.8:80 tcp
US 209.197.3.8:80 tcp
NL 52.178.17.3:443 tcp

Files

memory/1424-132-0x0000000000000000-mapping.dmp