Malware Analysis Report

2025-08-10 19:45

Sample ID 240131-l1xn2sbeej
Target 841ed93df98943fe212fe564ad11ebf5
SHA256 bc72b729a69a5f94a3a1b0f1c0d59c5755c0b6bd9a92dfbee6df31af2648effa
Tags
upx modiloader trojan
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

bc72b729a69a5f94a3a1b0f1c0d59c5755c0b6bd9a92dfbee6df31af2648effa

Threat Level: Known bad

The file 841ed93df98943fe212fe564ad11ebf5 was found to be: Known bad.

Malicious Activity Summary

upx modiloader trojan

ModiLoader, DBatLoader

ModiLoader Second Stage

UPX packed file

Unsigned PE

Program crash

Suspicious use of WriteProcessMemory

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-01-31 10:00

Signatures

UPX packed file

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

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-01-31 10:00

Reported

2024-01-31 10:03

Platform

win7-20231215-en

Max time kernel

121s

Max time network

129s

Command Line

"C:\Users\Admin\AppData\Local\Temp\841ed93df98943fe212fe564ad11ebf5.exe"

Signatures

ModiLoader, DBatLoader

trojan modiloader

ModiLoader Second Stage

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

UPX packed file

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

Processes

C:\Users\Admin\AppData\Local\Temp\841ed93df98943fe212fe564ad11ebf5.exe

"C:\Users\Admin\AppData\Local\Temp\841ed93df98943fe212fe564ad11ebf5.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2416 -s 36

Network

N/A

Files

memory/2416-0-0x0000000000400000-0x00000000004C0200-memory.dmp

memory/2416-1-0x0000000000400000-0x00000000004C0200-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-01-31 10:00

Reported

2024-01-31 10:03

Platform

win10v2004-20231222-en

Max time kernel

91s

Max time network

122s

Command Line

"C:\Users\Admin\AppData\Local\Temp\841ed93df98943fe212fe564ad11ebf5.exe"

Signatures

ModiLoader, DBatLoader

trojan modiloader

ModiLoader Second Stage

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

UPX packed file

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

Processes

C:\Users\Admin\AppData\Local\Temp\841ed93df98943fe212fe564ad11ebf5.exe

"C:\Users\Admin\AppData\Local\Temp\841ed93df98943fe212fe564ad11ebf5.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2980 -ip 2980

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2980 -s 228

Network

Country Destination Domain Proto
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 4.181.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 0.205.248.87.in-addr.arpa udp
US 8.8.8.8:53 173.178.17.96.in-addr.arpa udp

Files

memory/2980-0-0x0000000000400000-0x00000000004C0200-memory.dmp

memory/2980-1-0x0000000000400000-0x00000000004C0200-memory.dmp