Malware Analysis Report

2025-08-10 12:15

Sample ID 240607-nnd3aagd99
Target d9d37da9f676f2075705b92267ff0483e72b3d0a8fe390b5891db7a5e3755e69
SHA256 d9d37da9f676f2075705b92267ff0483e72b3d0a8fe390b5891db7a5e3755e69
Tags
upx persistence
score
8/10

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
8/10

SHA256

d9d37da9f676f2075705b92267ff0483e72b3d0a8fe390b5891db7a5e3755e69

Threat Level: Likely malicious

The file d9d37da9f676f2075705b92267ff0483e72b3d0a8fe390b5891db7a5e3755e69 was found to be: Likely malicious.

Malicious Activity Summary

upx persistence

Modifies AppInit DLL entries

ACProtect 1.3x - 1.4x DLL software

Loads dropped DLL

UPX packed file

Drops file in Program Files directory

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-07 11:32

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-07 11:32

Reported

2024-06-07 11:38

Platform

win7-20231129-en

Max time kernel

122s

Max time network

123s

Command Line

"C:\Users\Admin\AppData\Local\Temp\d9d37da9f676f2075705b92267ff0483e72b3d0a8fe390b5891db7a5e3755e69.exe"

Signatures

ACProtect 1.3x - 1.4x DLL software

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

Drops file in Program Files directory

Description Indicator Process Target
File created C:\Program Files\Common Files\System\symsrv.dll C:\Users\Admin\AppData\Local\Temp\d9d37da9f676f2075705b92267ff0483e72b3d0a8fe390b5891db7a5e3755e69.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\d9d37da9f676f2075705b92267ff0483e72b3d0a8fe390b5891db7a5e3755e69.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\d9d37da9f676f2075705b92267ff0483e72b3d0a8fe390b5891db7a5e3755e69.exe

"C:\Users\Admin\AppData\Local\Temp\d9d37da9f676f2075705b92267ff0483e72b3d0a8fe390b5891db7a5e3755e69.exe"

Network

N/A

Files

\Program Files\Common Files\System\symsrv.dll

MD5 7574cf2c64f35161ab1292e2f532aabf
SHA1 14ba3fa927a06224dfe587014299e834def4644f
SHA256 de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085
SHA512 4db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab

memory/1720-3-0x0000000010000000-0x0000000010030000-memory.dmp

memory/1720-5-0x0000000000C50000-0x0000000000C79000-memory.dmp

memory/1720-6-0x0000000010000000-0x0000000010030000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-07 11:32

Reported

2024-06-07 11:38

Platform

win10v2004-20240508-en

Max time kernel

149s

Max time network

153s

Command Line

"C:\Users\Admin\AppData\Local\Temp\d9d37da9f676f2075705b92267ff0483e72b3d0a8fe390b5891db7a5e3755e69.exe"

Signatures

Modifies AppInit DLL entries

persistence

ACProtect 1.3x - 1.4x DLL software

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

Drops file in Program Files directory

Description Indicator Process Target
File created C:\Program Files\Common Files\System\symsrv.dll C:\Users\Admin\AppData\Local\Temp\d9d37da9f676f2075705b92267ff0483e72b3d0a8fe390b5891db7a5e3755e69.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\d9d37da9f676f2075705b92267ff0483e72b3d0a8fe390b5891db7a5e3755e69.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\d9d37da9f676f2075705b92267ff0483e72b3d0a8fe390b5891db7a5e3755e69.exe

"C:\Users\Admin\AppData\Local\Temp\d9d37da9f676f2075705b92267ff0483e72b3d0a8fe390b5891db7a5e3755e69.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 183.142.211.20.in-addr.arpa udp
US 8.8.8.8:53 152.107.17.2.in-addr.arpa udp
US 8.8.8.8:53 17.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp
NL 23.62.61.170:443 www.bing.com tcp
US 8.8.8.8:53 170.61.62.23.in-addr.arpa udp
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 142.53.16.96.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 30.243.111.52.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
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 8.8.8.8:53 77.239.69.13.in-addr.arpa udp

Files

C:\Program Files\Common Files\System\symsrv.dll

MD5 7574cf2c64f35161ab1292e2f532aabf
SHA1 14ba3fa927a06224dfe587014299e834def4644f
SHA256 de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085
SHA512 4db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab

memory/4684-3-0x0000000010000000-0x0000000010030000-memory.dmp

memory/4684-7-0x0000000010000000-0x0000000010030000-memory.dmp

memory/4684-5-0x0000000000100000-0x0000000000129000-memory.dmp