Malware Analysis Report

2024-10-23 19:35

Sample ID 240506-nwmz6aaf7v
Target Build.exe
SHA256 0e8b0ea6f93217a3ec116d3a676ba901384061f2c59591d7126bfa260f7df955
Tags
modiloader persistence trojan upx
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

0e8b0ea6f93217a3ec116d3a676ba901384061f2c59591d7126bfa260f7df955

Threat Level: Known bad

The file Build.exe was found to be: Known bad.

Malicious Activity Summary

modiloader persistence trojan upx

Modiloader family

ModiLoader, DBatLoader

ModiLoader Second Stage

ModiLoader Second Stage

Checks computer location settings

UPX packed file

Loads dropped DLL

Executes dropped EXE

Adds Run key to start application

Enumerates physical storage devices

Unsigned PE

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-05-06 11:44

Signatures

ModiLoader Second Stage

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

Modiloader family

modiloader

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
N/A N/A N/A N/A

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-06 11:44

Reported

2024-05-06 11:47

Platform

win10v2004-20240419-en

Max time kernel

149s

Max time network

150s

Command Line

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

Signatures

ModiLoader, DBatLoader

trojan modiloader

ModiLoader Second Stage

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

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-17203666-93769886-2545153620-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\Build.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Roaming\AdobeART.exe 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
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\AdobeART = "C:\\Users\\Admin\\AppData\\Roaming\\AdobeART.exe" C:\Users\Admin\AppData\Roaming\AdobeART.exe N/A

Enumerates physical storage devices

Processes

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

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

C:\Users\Admin\AppData\Roaming\AdobeART.exe

"C:\Users\Admin\AppData\Roaming\AdobeART.exe"

Network

Country Destination Domain Proto
TH 85.203.4.146:1337 tcp
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.237:443 g.bing.com tcp
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 8.8.8.8:53 79.190.18.2.in-addr.arpa udp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
NL 23.62.61.194:443 www.bing.com tcp
US 8.8.8.8:53 23.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 8.8.8.8:53 194.61.62.23.in-addr.arpa udp
US 20.231.121.79:80 tcp
TH 85.203.4.146:1337 tcp
TH 85.203.4.146:1337 tcp
TH 85.203.4.146:1337 tcp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 142.53.16.96.in-addr.arpa udp
TH 85.203.4.146:1337 tcp
TH 85.203.4.146:1337 tcp
TH 85.203.4.146:1337 tcp
TH 85.203.4.146:1337 tcp
US 8.8.8.8:53 77.190.18.2.in-addr.arpa udp
US 8.8.8.8:53 43.58.199.20.in-addr.arpa udp
US 8.8.8.8:53 51.15.97.104.in-addr.arpa udp
TH 85.203.4.146:1337 tcp
TH 85.203.4.146:1337 tcp
TH 85.203.4.146:1337 tcp
US 8.8.8.8:53 19.229.111.52.in-addr.arpa udp
TH 85.203.4.146:1337 tcp
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
TH 85.203.4.146:1337 tcp
TH 85.203.4.146:1337 tcp
TH 85.203.4.146:1337 tcp
TH 85.203.4.146:1337 tcp
TH 85.203.4.146:1337 tcp
TH 85.203.4.146:1337 tcp

Files

memory/4256-0-0x0000000000400000-0x0000000000414000-memory.dmp

C:\Users\Admin\AppData\Roaming\AdobeART.exe

MD5 189fafc8e1afe59d08a7969affc84ead
SHA1 cb5086ebd2cd8691407dd4565ece72a1c40b0a69
SHA256 0e8b0ea6f93217a3ec116d3a676ba901384061f2c59591d7126bfa260f7df955
SHA512 c96bea1295d5061512150e0ed0ff2501ced1f0046fa73e78ede158fb62820dfd1811c0dfdc380bce974a58d84adbe4b2339a9ea6841f4adee9bb4e5e36b95198

memory/4256-8-0x0000000000400000-0x0000000000414000-memory.dmp

memory/508-10-0x0000000000400000-0x0000000000414000-memory.dmp

memory/508-11-0x0000000000400000-0x0000000000414000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-05-06 11:44

Reported

2024-05-06 11:47

Platform

win7-20240419-en

Max time kernel

149s

Max time network

150s

Command Line

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

Signatures

ModiLoader, DBatLoader

trojan modiloader

ModiLoader Second Stage

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

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Roaming\AdobeART.exe N/A

Loads dropped DLL

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\Build.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\Build.exe 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
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\AdobeART = "C:\\Users\\Admin\\AppData\\Roaming\\AdobeART.exe" C:\Users\Admin\AppData\Roaming\AdobeART.exe N/A

Enumerates physical storage devices

Processes

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

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

C:\Users\Admin\AppData\Roaming\AdobeART.exe

"C:\Users\Admin\AppData\Roaming\AdobeART.exe"

Network

Country Destination Domain Proto
TH 85.203.4.146:1337 tcp
TH 85.203.4.146:1337 tcp
TH 85.203.4.146:1337 tcp
TH 85.203.4.146:1337 tcp
TH 85.203.4.146:1337 tcp
TH 85.203.4.146:1337 tcp
TH 85.203.4.146:1337 tcp
TH 85.203.4.146:1337 tcp
TH 85.203.4.146:1337 tcp
TH 85.203.4.146:1337 tcp
TH 85.203.4.146:1337 tcp
TH 85.203.4.146:1337 tcp
TH 85.203.4.146:1337 tcp
TH 85.203.4.146:1337 tcp
TH 85.203.4.146:1337 tcp
TH 85.203.4.146:1337 tcp
TH 85.203.4.146:1337 tcp
TH 85.203.4.146:1337 tcp
TH 85.203.4.146:1337 tcp
TH 85.203.4.146:1337 tcp
TH 85.203.4.146:1337 tcp
TH 85.203.4.146:1337 tcp

Files

memory/2084-0-0x0000000000400000-0x0000000000414000-memory.dmp

\Users\Admin\AppData\Roaming\AdobeART.exe

MD5 189fafc8e1afe59d08a7969affc84ead
SHA1 cb5086ebd2cd8691407dd4565ece72a1c40b0a69
SHA256 0e8b0ea6f93217a3ec116d3a676ba901384061f2c59591d7126bfa260f7df955
SHA512 c96bea1295d5061512150e0ed0ff2501ced1f0046fa73e78ede158fb62820dfd1811c0dfdc380bce974a58d84adbe4b2339a9ea6841f4adee9bb4e5e36b95198

memory/2084-11-0x0000000000400000-0x0000000000414000-memory.dmp

memory/2324-12-0x0000000000400000-0x0000000000414000-memory.dmp

memory/2324-13-0x0000000000400000-0x0000000000414000-memory.dmp