Malware Analysis Report

2024-10-23 19:35

Sample ID 240505-nxr1haha7s
Target cdm.exe
SHA256 fff48447b7310f9a0bbec5d2ca71ff3a1ea91fdfcda8d3cb0f87ec75593fd234
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: 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

fff48447b7310f9a0bbec5d2ca71ff3a1ea91fdfcda8d3cb0f87ec75593fd234

Threat Level: Known bad

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

Malicious Activity Summary

modiloader persistence trojan upx

Modiloader family

ModiLoader, DBatLoader

ModiLoader Second Stage

ModiLoader Second Stage

Executes dropped EXE

Checks computer location settings

Loads dropped DLL

UPX packed file

Adds Run key to start application

Enumerates physical storage devices

Unsigned PE

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-05-05 11:46

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: behavioral1

Detonation Overview

Submitted

2024-05-05 11:46

Reported

2024-05-05 11:49

Platform

win7-20240221-en

Max time kernel

144s

Max time network

150s

Command Line

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

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

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

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

Network

Country Destination Domain Proto
TH 156.225.129.218:1337 tcp
TH 156.225.129.218:1337 tcp
TH 156.225.129.218:1337 tcp
TH 156.225.129.218:1337 tcp
TH 156.225.129.218:1337 tcp
TH 156.225.129.218:1337 tcp
TH 156.225.129.218:1337 tcp
TH 156.225.129.218:1337 tcp
TH 156.225.129.218:1337 tcp
TH 156.225.129.218:1337 tcp
TH 156.225.129.218:1337 tcp
TH 156.225.129.218:1337 tcp
TH 156.225.129.218:1337 tcp
TH 156.225.129.218:1337 tcp
TH 156.225.129.218:1337 tcp
TH 156.225.129.218:1337 tcp
TH 156.225.129.218:1337 tcp
TH 156.225.129.218:1337 tcp
TH 156.225.129.218:1337 tcp
TH 156.225.129.218:1337 tcp
TH 156.225.129.218:1337 tcp

Files

memory/2492-0-0x0000000000400000-0x0000000000414000-memory.dmp

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

MD5 b68b24ef0d7c687eb7dfd5110064dcac
SHA1 5578bc11a5a48e25d2b9396e3bac80da706806a8
SHA256 fff48447b7310f9a0bbec5d2ca71ff3a1ea91fdfcda8d3cb0f87ec75593fd234
SHA512 ae7937ac2a0b143e16e1b4793720459c1a4f418250c7da989c6a82c17006685d834319cc2928920364cffcf0e02cb257079ab3a7283fedb593c404b39e26f58a

memory/2492-5-0x0000000002580000-0x0000000002594000-memory.dmp

memory/2844-13-0x0000000000400000-0x0000000000414000-memory.dmp

memory/2492-11-0x0000000000400000-0x0000000000414000-memory.dmp

memory/2844-14-0x0000000000400000-0x0000000000414000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-05 11:46

Reported

2024-05-05 11:49

Platform

win10v2004-20240419-en

Max time kernel

150s

Max time network

146s

Command Line

"C:\Users\Admin\AppData\Local\Temp\cdm.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\cdm.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

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

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3184 wrote to memory of 3644 N/A C:\Users\Admin\AppData\Local\Temp\cdm.exe C:\Users\Admin\AppData\Roaming\AdobeART.exe
PID 3184 wrote to memory of 3644 N/A C:\Users\Admin\AppData\Local\Temp\cdm.exe C:\Users\Admin\AppData\Roaming\AdobeART.exe
PID 3184 wrote to memory of 3644 N/A C:\Users\Admin\AppData\Local\Temp\cdm.exe C:\Users\Admin\AppData\Roaming\AdobeART.exe

Processes

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

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

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

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

Network

Country Destination Domain Proto
US 138.91.171.81:80 tcp
TH 156.225.129.218:1337 tcp
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.237:443 g.bing.com tcp
NL 23.62.61.72:443 www.bing.com tcp
US 8.8.8.8:53 68.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 72.61.62.23.in-addr.arpa udp
TH 156.225.129.218:1337 tcp
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
TH 156.225.129.218:1337 tcp
TH 156.225.129.218:1337 tcp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 139.53.16.96.in-addr.arpa udp
US 8.8.8.8:53 56.126.166.20.in-addr.arpa udp
TH 156.225.129.218:1337 tcp
TH 156.225.129.218:1337 tcp
TH 156.225.129.218:1337 tcp
TH 156.225.129.218:1337 tcp
US 8.8.8.8:53 79.190.18.2.in-addr.arpa udp
US 8.8.8.8:53 49.15.97.104.in-addr.arpa udp
TH 156.225.129.218:1337 tcp
TH 156.225.129.218:1337 tcp
TH 156.225.129.218:1337 tcp
US 8.8.8.8:53 19.229.111.52.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
TH 156.225.129.218:1337 tcp
US 8.8.8.8:53 200.197.79.204.in-addr.arpa udp
TH 156.225.129.218:1337 tcp
TH 156.225.129.218:1337 tcp
TH 156.225.129.218:1337 tcp
TH 156.225.129.218:1337 tcp
TH 156.225.129.218:1337 tcp
TH 156.225.129.218:1337 tcp

Files

memory/3184-0-0x0000000000400000-0x0000000000414000-memory.dmp

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

MD5 b68b24ef0d7c687eb7dfd5110064dcac
SHA1 5578bc11a5a48e25d2b9396e3bac80da706806a8
SHA256 fff48447b7310f9a0bbec5d2ca71ff3a1ea91fdfcda8d3cb0f87ec75593fd234
SHA512 ae7937ac2a0b143e16e1b4793720459c1a4f418250c7da989c6a82c17006685d834319cc2928920364cffcf0e02cb257079ab3a7283fedb593c404b39e26f58a

memory/3184-8-0x0000000000400000-0x0000000000414000-memory.dmp

memory/3644-10-0x0000000000400000-0x0000000000414000-memory.dmp