Malware Analysis Report

2025-06-16 05:48

Sample ID 240325-s3dghsca43
Target de5afc5cb0c85953755615bfa7045872
SHA256 c9af8c4076e6f206b253ef06870b89dfd197c76003cc2ddd7915eeda7cd68e70
Tags
modiloader evasion persistence trojan
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

c9af8c4076e6f206b253ef06870b89dfd197c76003cc2ddd7915eeda7cd68e70

Threat Level: Known bad

The file de5afc5cb0c85953755615bfa7045872 was found to be: Known bad.

Malicious Activity Summary

modiloader evasion persistence trojan

Modiloader family

UAC bypass

ModiLoader, DBatLoader

ModiLoader Second Stage

ModiLoader Second Stage

Loads dropped DLL

Executes dropped EXE

Checks computer location settings

Deletes itself

Adds Run key to start application

Checks whether UAC is enabled

Drops file in Windows directory

Unsigned PE

Enumerates physical storage devices

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

Suspicious use of AdjustPrivilegeToken

System policy modification

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-03-25 15:38

Signatures

ModiLoader Second Stage

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

Modiloader family

modiloader

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-03-25 15:38

Reported

2024-03-25 15:41

Platform

win7-20240221-en

Max time kernel

146s

Max time network

127s

Command Line

"C:\Users\Admin\AppData\Local\Temp\de5afc5cb0c85953755615bfa7045872.exe"

Signatures

ModiLoader, DBatLoader

trojan modiloader

UAC bypass

evasion trojan
Description Indicator Process Target
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" C:\Windows\deneme.exe N/A

ModiLoader Second Stage

Description Indicator Process Target
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Deletes itself

Description Indicator Process Target
N/A N/A C:\Windows\deneme.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Windows\deneme.exe N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-2461186416-2307104501-1787948496-1000\Software\Microsoft\Windows\CurrentVersion\Run\deneme = "C:\\Windows\\deneme.exe" C:\Windows\deneme.exe N/A

Checks whether UAC is enabled

evasion trojan
Description Indicator Process Target
Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA C:\Windows\deneme.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" C:\Windows\deneme.exe N/A
Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA C:\Users\Admin\AppData\Local\Temp\de5afc5cb0c85953755615bfa7045872.exe N/A

Drops file in Windows directory

Description Indicator Process Target
File created C:\Windows\deneme.exe C:\Users\Admin\AppData\Local\Temp\de5afc5cb0c85953755615bfa7045872.exe N/A
File opened for modification C:\Windows\deneme.exe C:\Users\Admin\AppData\Local\Temp\de5afc5cb0c85953755615bfa7045872.exe N/A
File created C:\Windows\ntdtcstp.dll C:\Windows\deneme.exe N/A

Enumerates physical storage devices

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\de5afc5cb0c85953755615bfa7045872.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\deneme.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Windows\deneme.exe N/A

System policy modification

evasion
Description Indicator Process Target
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" C:\Windows\deneme.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\de5afc5cb0c85953755615bfa7045872.exe

"C:\Users\Admin\AppData\Local\Temp\de5afc5cb0c85953755615bfa7045872.exe"

C:\Windows\deneme.exe

"C:\Windows\deneme.exe" \melt "C:\Users\Admin\AppData\Local\Temp\de5afc5cb0c85953755615bfa7045872.exe"

Network

Country Destination Domain Proto
N/A 127.0.0.1:15963 tcp
N/A 127.0.0.1:15963 tcp
N/A 127.0.0.1:15963 tcp
N/A 127.0.0.1:15963 tcp
N/A 127.0.0.1:15963 tcp
N/A 127.0.0.1:15963 tcp
N/A 127.0.0.1:15963 tcp
N/A 127.0.0.1:15963 tcp
N/A 127.0.0.1:15963 tcp
N/A 127.0.0.1:15963 tcp
N/A 127.0.0.1:15963 tcp
N/A 127.0.0.1:15963 tcp
N/A 127.0.0.1:15963 tcp
N/A 127.0.0.1:15963 tcp
N/A 127.0.0.1:15963 tcp
N/A 127.0.0.1:15963 tcp
N/A 127.0.0.1:15963 tcp
N/A 127.0.0.1:15963 tcp
N/A 127.0.0.1:15963 tcp
N/A 127.0.0.1:15963 tcp
N/A 127.0.0.1:15963 tcp
N/A 127.0.0.1:15963 tcp
N/A 127.0.0.1:15963 tcp
N/A 127.0.0.1:15963 tcp
N/A 127.0.0.1:15963 tcp
N/A 127.0.0.1:15963 tcp
N/A 127.0.0.1:15963 tcp
N/A 127.0.0.1:15963 tcp
N/A 127.0.0.1:15963 tcp
N/A 127.0.0.1:15963 tcp

Files

C:\Windows\deneme.exe

MD5 de5afc5cb0c85953755615bfa7045872
SHA1 7dd4cd6e5012ce741037ba5e6db075266bdf4bd0
SHA256 c9af8c4076e6f206b253ef06870b89dfd197c76003cc2ddd7915eeda7cd68e70
SHA512 5bcb219a836a82071809dae8dd0767d0bc086032d5903363da97b8bd319a38239afbf38bce1de0118b759486707dfa5c5a9f8d00526856c99d054af55e6ab257

memory/2844-8-0x0000000000400000-0x0000000000441000-memory.dmp

memory/2796-11-0x0000000000300000-0x0000000000301000-memory.dmp

memory/2796-12-0x00000000004A0000-0x00000000004A1000-memory.dmp

memory/2796-13-0x0000000000400000-0x0000000000441000-memory.dmp

memory/2796-14-0x0000000000400000-0x0000000000441000-memory.dmp

memory/2796-15-0x0000000000400000-0x0000000000441000-memory.dmp

memory/2796-16-0x0000000000400000-0x0000000000441000-memory.dmp

memory/2796-17-0x0000000000400000-0x0000000000441000-memory.dmp

memory/2796-18-0x0000000000400000-0x0000000000441000-memory.dmp

memory/2796-19-0x0000000000400000-0x0000000000441000-memory.dmp

memory/2796-20-0x0000000000400000-0x0000000000441000-memory.dmp

memory/2796-21-0x0000000000400000-0x0000000000441000-memory.dmp

memory/2796-22-0x0000000000400000-0x0000000000441000-memory.dmp

memory/2796-23-0x0000000000400000-0x0000000000441000-memory.dmp

memory/2796-24-0x0000000000400000-0x0000000000441000-memory.dmp

memory/2796-25-0x0000000000400000-0x0000000000441000-memory.dmp

memory/2796-26-0x0000000000400000-0x0000000000441000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-03-25 15:38

Reported

2024-03-25 15:41

Platform

win10v2004-20240226-en

Max time kernel

148s

Max time network

152s

Command Line

"C:\Users\Admin\AppData\Local\Temp\de5afc5cb0c85953755615bfa7045872.exe"

Signatures

ModiLoader, DBatLoader

trojan modiloader

UAC bypass

evasion trojan
Description Indicator Process Target
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" C:\Windows\deneme.exe N/A

ModiLoader Second Stage

Description Indicator Process Target
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Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\de5afc5cb0c85953755615bfa7045872.exe N/A

Deletes itself

Description Indicator Process Target
N/A N/A C:\Windows\deneme.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Windows\deneme.exe N/A

Loads dropped DLL

Description Indicator Process Target
N/A N/A C:\Windows\deneme.exe N/A
N/A N/A C:\Windows\deneme.exe N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\deneme = "C:\\Windows\\deneme.exe" C:\Windows\deneme.exe N/A

Checks whether UAC is enabled

evasion trojan
Description Indicator Process Target
Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA C:\Users\Admin\AppData\Local\Temp\de5afc5cb0c85953755615bfa7045872.exe N/A
Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA C:\Windows\deneme.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" C:\Windows\deneme.exe N/A

Drops file in Windows directory

Description Indicator Process Target
File created C:\Windows\deneme.exe C:\Users\Admin\AppData\Local\Temp\de5afc5cb0c85953755615bfa7045872.exe N/A
File opened for modification C:\Windows\deneme.exe C:\Users\Admin\AppData\Local\Temp\de5afc5cb0c85953755615bfa7045872.exe N/A
File created C:\Windows\ntdtcstp.dll C:\Windows\deneme.exe N/A

Enumerates physical storage devices

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\de5afc5cb0c85953755615bfa7045872.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\deneme.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Windows\deneme.exe N/A

System policy modification

evasion
Description Indicator Process Target
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" C:\Windows\deneme.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\de5afc5cb0c85953755615bfa7045872.exe

"C:\Users\Admin\AppData\Local\Temp\de5afc5cb0c85953755615bfa7045872.exe"

C:\Windows\deneme.exe

"C:\Windows\deneme.exe" \melt "C:\Users\Admin\AppData\Local\Temp\de5afc5cb0c85953755615bfa7045872.exe"

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe

"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3996 --field-trial-handle=2252,i,16022092570067181109,3235558581947505669,262144 --variations-seed-version /prefetch:8

Network

Country Destination Domain Proto
US 8.8.8.8:53 2.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 9.228.82.20.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.200:443 g.bing.com tcp
US 8.8.8.8:53 200.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 187.178.17.96.in-addr.arpa udp
N/A 127.0.0.1:15963 tcp
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
N/A 127.0.0.1:15963 tcp
US 8.8.8.8:53 41.110.16.96.in-addr.arpa udp
N/A 127.0.0.1:15963 tcp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 241.154.82.20.in-addr.arpa udp
N/A 127.0.0.1:15963 tcp
US 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
N/A 127.0.0.1:15963 tcp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
N/A 127.0.0.1:15963 tcp
N/A 127.0.0.1:15963 tcp
N/A 127.0.0.1:15963 tcp
N/A 127.0.0.1:15963 tcp
US 8.8.8.8:53 195.177.78.104.in-addr.arpa udp
N/A 127.0.0.1:15963 tcp
N/A 127.0.0.1:15963 tcp
US 8.8.8.8:53 217.135.221.88.in-addr.arpa udp
US 8.8.8.8:53 119.110.54.20.in-addr.arpa udp
N/A 127.0.0.1:15963 tcp
US 8.8.8.8:53 216.183.117.104.in-addr.arpa udp
N/A 127.0.0.1:15963 tcp
US 8.8.8.8:53 50.134.221.88.in-addr.arpa udp
N/A 127.0.0.1:15963 tcp
N/A 127.0.0.1:15963 tcp
N/A 127.0.0.1:15963 tcp
US 8.8.8.8:53 14.227.111.52.in-addr.arpa udp
N/A 127.0.0.1:15963 tcp
N/A 127.0.0.1:15963 tcp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
N/A 127.0.0.1:15963 tcp
N/A 127.0.0.1:15963 tcp
N/A 127.0.0.1:15963 tcp
N/A 127.0.0.1:15963 tcp
N/A 127.0.0.1:15963 tcp
N/A 127.0.0.1:15963 tcp
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
US 204.79.197.200:443 tse1.mm.bing.net tcp
N/A 127.0.0.1:15963 tcp
N/A 127.0.0.1:15963 tcp
N/A 127.0.0.1:15963 tcp
US 8.8.8.8:53 8.173.189.20.in-addr.arpa udp
N/A 127.0.0.1:15963 tcp
N/A 127.0.0.1:15963 tcp

Files

C:\Windows\deneme.exe

MD5 de5afc5cb0c85953755615bfa7045872
SHA1 7dd4cd6e5012ce741037ba5e6db075266bdf4bd0
SHA256 c9af8c4076e6f206b253ef06870b89dfd197c76003cc2ddd7915eeda7cd68e70
SHA512 5bcb219a836a82071809dae8dd0767d0bc086032d5903363da97b8bd319a38239afbf38bce1de0118b759486707dfa5c5a9f8d00526856c99d054af55e6ab257

memory/4484-9-0x0000000000400000-0x0000000000441000-memory.dmp

C:\Windows\ntdtcstp.dll

MD5 67587e25a971a141628d7f07bd40ffa0
SHA1 76fcd014539a3bb247cc0b761225f68bd6055f6b
SHA256 e6829866322d68d5c5b78e3d48dcec70a41cdc42c6f357a44fd329f74a8b4378
SHA512 6e6de7aa02c48f8b96b06e5f1160fbc5c95312320636e138cc997ef3362a61bc50ec03db1f06292eb964cd71915ddb2ec2eb741432c7da44215a4acbb576a350

memory/4748-16-0x0000000000620000-0x0000000000621000-memory.dmp

memory/4748-17-0x00000000030D0000-0x00000000030D1000-memory.dmp

memory/4748-19-0x0000000000970000-0x0000000000978000-memory.dmp

memory/4748-18-0x0000000000400000-0x0000000000441000-memory.dmp

memory/4748-20-0x0000000000400000-0x0000000000441000-memory.dmp

memory/4748-22-0x0000000000400000-0x0000000000441000-memory.dmp

memory/4748-24-0x0000000000400000-0x0000000000441000-memory.dmp

memory/4748-26-0x0000000000400000-0x0000000000441000-memory.dmp

memory/4748-28-0x0000000000400000-0x0000000000441000-memory.dmp

memory/4748-30-0x0000000000400000-0x0000000000441000-memory.dmp

memory/4748-32-0x0000000000400000-0x0000000000441000-memory.dmp

memory/4748-34-0x0000000000400000-0x0000000000441000-memory.dmp

memory/4748-36-0x0000000000400000-0x0000000000441000-memory.dmp

memory/4748-38-0x0000000000400000-0x0000000000441000-memory.dmp

memory/4748-40-0x0000000000400000-0x0000000000441000-memory.dmp

memory/4748-42-0x0000000000400000-0x0000000000441000-memory.dmp

memory/4748-44-0x0000000000400000-0x0000000000441000-memory.dmp