Malware Analysis Report

2024-11-15 08:47

Sample ID 241110-vp9c5s1gkb
Target 2c72299ae27dfbd135fceef93b9ab2c5428f1486.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 2c72299ae27dfbd135fceef93b9ab2c5428f1486.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

2024-11-10 17:11

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-10 17:11

Reported

2024-11-10 17:13

Platform

win7-20240903-en

Max time kernel

122s

Max time network

122s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2c72299ae27dfbd135fceef93b9ab2c5428f1486.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\2c72299ae27dfbd135fceef93b9ab2c5428f1486.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\2c72299ae27dfbd135fceef93b9ab2c5428f1486.exe

"C:\Users\Admin\AppData\Local\Temp\2c72299ae27dfbd135fceef93b9ab2c5428f1486.exe"

Network

N/A

Files

memory/2956-0-0x0000000000080000-0x000000000008D000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-10 17:11

Reported

2024-11-10 17:13

Platform

win10v2004-20241007-en

Max time kernel

92s

Max time network

137s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2c72299ae27dfbd135fceef93b9ab2c5428f1486.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\2c72299ae27dfbd135fceef93b9ab2c5428f1486.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\2c72299ae27dfbd135fceef93b9ab2c5428f1486.exe

"C:\Users\Admin\AppData\Local\Temp\2c72299ae27dfbd135fceef93b9ab2c5428f1486.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 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 83.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 22.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 8.8.8.8:53 212.20.149.52.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 82.190.18.2.in-addr.arpa udp
US 8.8.8.8:53 79.190.18.2.in-addr.arpa udp

Files

memory/2032-0-0x0000000002F70000-0x0000000002F7D000-memory.dmp