Malware Analysis Report

2025-08-05 15:36

Sample ID 240527-pcrpnscd52
Target c1e8f4c1adcc6de324e4d8cd12c174233a3e806d9f76ec4dc77fb8312d81b259
SHA256 c1e8f4c1adcc6de324e4d8cd12c174233a3e806d9f76ec4dc77fb8312d81b259
Tags
persistence upx
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

c1e8f4c1adcc6de324e4d8cd12c174233a3e806d9f76ec4dc77fb8312d81b259

Threat Level: Likely malicious

The file c1e8f4c1adcc6de324e4d8cd12c174233a3e806d9f76ec4dc77fb8312d81b259 was found to be: Likely malicious.

Malicious Activity Summary

persistence upx

Modifies AppInit DLL entries

Loads dropped DLL

UPX packed file

ACProtect 1.3x - 1.4x DLL software

Drops file in Program Files directory

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-05-27 12:11

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-05-27 12:11

Reported

2024-05-27 12:13

Platform

win7-20240221-en

Max time kernel

119s

Max time network

121s

Command Line

"C:\Users\Admin\AppData\Local\Temp\c1e8f4c1adcc6de324e4d8cd12c174233a3e806d9f76ec4dc77fb8312d81b259.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\c1e8f4c1adcc6de324e4d8cd12c174233a3e806d9f76ec4dc77fb8312d81b259.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\c1e8f4c1adcc6de324e4d8cd12c174233a3e806d9f76ec4dc77fb8312d81b259.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\c1e8f4c1adcc6de324e4d8cd12c174233a3e806d9f76ec4dc77fb8312d81b259.exe

"C:\Users\Admin\AppData\Local\Temp\c1e8f4c1adcc6de324e4d8cd12c174233a3e806d9f76ec4dc77fb8312d81b259.exe"

Network

N/A

Files

memory/2864-3-0x0000000010000000-0x0000000010030000-memory.dmp

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

MD5 7574cf2c64f35161ab1292e2f532aabf
SHA1 14ba3fa927a06224dfe587014299e834def4644f
SHA256 de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085
SHA512 4db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab

memory/2864-6-0x0000000010000000-0x0000000010030000-memory.dmp

memory/2864-5-0x00000000012D0000-0x00000000012F9000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-27 12:11

Reported

2024-05-27 12:13

Platform

win10v2004-20240426-en

Max time kernel

150s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\c1e8f4c1adcc6de324e4d8cd12c174233a3e806d9f76ec4dc77fb8312d81b259.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\c1e8f4c1adcc6de324e4d8cd12c174233a3e806d9f76ec4dc77fb8312d81b259.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\c1e8f4c1adcc6de324e4d8cd12c174233a3e806d9f76ec4dc77fb8312d81b259.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\c1e8f4c1adcc6de324e4d8cd12c174233a3e806d9f76ec4dc77fb8312d81b259.exe

"C:\Users\Admin\AppData\Local\Temp\c1e8f4c1adcc6de324e4d8cd12c174233a3e806d9f76ec4dc77fb8312d81b259.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
US 8.8.8.8:53 136.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 18.24.18.2.in-addr.arpa udp
US 8.8.8.8:53 43.229.111.52.in-addr.arpa udp
US 8.8.8.8:53 udp

Files

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

MD5 7574cf2c64f35161ab1292e2f532aabf
SHA1 14ba3fa927a06224dfe587014299e834def4644f
SHA256 de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085
SHA512 4db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab

memory/2360-3-0x0000000010000000-0x0000000010030000-memory.dmp

memory/2360-5-0x0000000000E00000-0x0000000000E29000-memory.dmp

memory/2360-7-0x0000000010000000-0x0000000010030000-memory.dmp