Malware Analysis Report

2024-11-15 08:47

Sample ID 241111-cyzwyszmcw
Target 60f408d3351c35ecd4227a04eba05c7378b5ac08e6bbb7b12872829f901cef48.exe
SHA256 60f408d3351c35ecd4227a04eba05c7378b5ac08e6bbb7b12872829f901cef48
Tags
koiloader discovery loader
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

60f408d3351c35ecd4227a04eba05c7378b5ac08e6bbb7b12872829f901cef48

Threat Level: Known bad

The file 60f408d3351c35ecd4227a04eba05c7378b5ac08e6bbb7b12872829f901cef48.exe was found to be: Known bad.

Malicious Activity Summary

koiloader discovery loader

KoiLoader

Koiloader family

Detects KoiLoader payload

System Location Discovery: System Language Discovery

Unsigned PE

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-11 02:29

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-11 02:29

Reported

2024-11-11 02:32

Platform

win7-20240903-en

Max time kernel

118s

Max time network

119s

Command Line

"C:\Users\Admin\AppData\Local\Temp\60f408d3351c35ecd4227a04eba05c7378b5ac08e6bbb7b12872829f901cef48.exe"

Signatures

KoiLoader

loader koiloader

Koiloader family

koiloader

Detects KoiLoader payload

loader
Description Indicator Process Target
N/A N/A N/A 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\60f408d3351c35ecd4227a04eba05c7378b5ac08e6bbb7b12872829f901cef48.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\60f408d3351c35ecd4227a04eba05c7378b5ac08e6bbb7b12872829f901cef48.exe

"C:\Users\Admin\AppData\Local\Temp\60f408d3351c35ecd4227a04eba05c7378b5ac08e6bbb7b12872829f901cef48.exe"

Network

N/A

Files

memory/2736-0-0x00000000000C0000-0x00000000000CD000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-11 02:29

Reported

2024-11-11 02:32

Platform

win10v2004-20241007-en

Max time kernel

148s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\60f408d3351c35ecd4227a04eba05c7378b5ac08e6bbb7b12872829f901cef48.exe"

Signatures

KoiLoader

loader koiloader

Koiloader family

koiloader

Detects KoiLoader payload

loader
Description Indicator Process Target
N/A N/A N/A 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\60f408d3351c35ecd4227a04eba05c7378b5ac08e6bbb7b12872829f901cef48.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\60f408d3351c35ecd4227a04eba05c7378b5ac08e6bbb7b12872829f901cef48.exe

"C:\Users\Admin\AppData\Local\Temp\60f408d3351c35ecd4227a04eba05c7378b5ac08e6bbb7b12872829f901cef48.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
US 8.8.8.8:53 88.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 73.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 8.8.8.8:53 200.163.202.172.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 75.117.19.2.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 29.243.111.52.in-addr.arpa udp

Files

memory/1168-0-0x00000000011F0000-0x00000000011FD000-memory.dmp