Malware Analysis Report

2025-08-10 22:04

Sample ID 240518-zz7phsfg2w
Target 4ba9e0105a080cbb9cb9b547479e3cbec5c52b8ca39e1939b9f210389a8653d2
SHA256 4ba9e0105a080cbb9cb9b547479e3cbec5c52b8ca39e1939b9f210389a8653d2
Tags
agenttesla keylogger persistence spyware stealer 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

4ba9e0105a080cbb9cb9b547479e3cbec5c52b8ca39e1939b9f210389a8653d2

Threat Level: Known bad

The file 4ba9e0105a080cbb9cb9b547479e3cbec5c52b8ca39e1939b9f210389a8653d2 was found to be: Known bad.

Malicious Activity Summary

agenttesla keylogger persistence spyware stealer trojan

AgentTesla

Detect packed .NET executables. Mostly AgentTeslaV4.

Detects executables referencing many email and collaboration clients. Observed in information stealers

Detects executables referencing many file transfer clients. Observed in information stealers

Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.

Detects executables referencing Windows vault credential objects. Observed in infostealers

Detects binaries and memory artifacts referencing sandbox DLLs typically observed in sandbox evasion

Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers

Reads user/profile data of web browsers

Reads user/profile data of local email clients

Reads WinSCP keys stored on the system

Executes dropped EXE

Reads data files stored by FTP clients

Adds Run key to start application

Looks up external IP address via web service

Suspicious use of SetThreadContext

Unsigned PE

Program crash

Suspicious use of AdjustPrivilegeToken

Suspicious use of SetWindowsHookEx

Script User-Agent

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-05-18 21:10

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-05-18 21:10

Reported

2024-05-18 21:12

Platform

win7-20231129-en

Max time kernel

140s

Max time network

122s

Command Line

"C:\Users\Admin\AppData\Local\Temp\4ba9e0105a080cbb9cb9b547479e3cbec5c52b8ca39e1939b9f210389a8653d2.exe"

Signatures

Processes

C:\Users\Admin\AppData\Local\Temp\4ba9e0105a080cbb9cb9b547479e3cbec5c52b8ca39e1939b9f210389a8653d2.exe

"C:\Users\Admin\AppData\Local\Temp\4ba9e0105a080cbb9cb9b547479e3cbec5c52b8ca39e1939b9f210389a8653d2.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2368 -s 776

Network

Country Destination Domain Proto
US 8.8.8.8:53 onedrive.live.com udp
US 13.107.137.11:443 onedrive.live.com tcp
US 13.107.137.11:443 onedrive.live.com tcp

Files

memory/2368-0-0x00000000003B0000-0x00000000003B1000-memory.dmp

memory/2368-1-0x0000000000400000-0x00000000004E8000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-18 21:10

Reported

2024-05-18 21:12

Platform

win10v2004-20240508-en

Max time kernel

149s

Max time network

153s

Command Line

"C:\Users\Admin\AppData\Local\Temp\4ba9e0105a080cbb9cb9b547479e3cbec5c52b8ca39e1939b9f210389a8653d2.exe"

Signatures

AgentTesla

keylogger trojan stealer spyware agenttesla

Detect packed .NET executables. Mostly AgentTeslaV4.

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

Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.

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

Detects binaries and memory artifacts referencing sandbox DLLs typically observed in sandbox evasion

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

Detects executables referencing Windows vault credential objects. Observed in infostealers

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

Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers

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

Detects executables referencing many email and collaboration clients. Observed in information stealers

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

Detects executables referencing many file transfer clients. Observed in information stealers

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
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
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
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
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
N/A N/A N/A N/A
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\Public\Libraries\vpxfxwoB.pif N/A

Reads WinSCP keys stored on the system

spyware stealer

Reads data files stored by FTP clients

spyware stealer

Reads user/profile data of local email clients

spyware stealer

Reads user/profile data of web browsers

spyware stealer

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Bowxfxpv = "C:\\Users\\Public\\Bowxfxpv.url" C:\Users\Admin\AppData\Local\Temp\4ba9e0105a080cbb9cb9b547479e3cbec5c52b8ca39e1939b9f210389a8653d2.exe N/A

Looks up external IP address via web service

Description Indicator Process Target
N/A api.ipify.org N/A N/A
N/A api.ipify.org N/A N/A
N/A ip-api.com N/A N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 1216 set thread context of 740 N/A C:\Users\Admin\AppData\Local\Temp\4ba9e0105a080cbb9cb9b547479e3cbec5c52b8ca39e1939b9f210389a8653d2.exe C:\Users\Public\Libraries\vpxfxwoB.pif

Script User-Agent

Description Indicator Process Target
HTTP User-Agent header Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5) N/A N/A
HTTP User-Agent header Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5) N/A N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Public\Libraries\vpxfxwoB.pif N/A
N/A N/A C:\Users\Public\Libraries\vpxfxwoB.pif N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Public\Libraries\vpxfxwoB.pif N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Public\Libraries\vpxfxwoB.pif N/A

Processes

C:\Users\Admin\AppData\Local\Temp\4ba9e0105a080cbb9cb9b547479e3cbec5c52b8ca39e1939b9f210389a8653d2.exe

"C:\Users\Admin\AppData\Local\Temp\4ba9e0105a080cbb9cb9b547479e3cbec5c52b8ca39e1939b9f210389a8653d2.exe"

C:\Windows\SysWOW64\extrac32.exe

C:\\Windows\\System32\\extrac32.exe /C /Y C:\Users\Admin\AppData\Local\Temp\4ba9e0105a080cbb9cb9b547479e3cbec5c52b8ca39e1939b9f210389a8653d2.exe C:\\Users\\Public\\Libraries\\Bowxfxpv.PIF

C:\Users\Public\Libraries\vpxfxwoB.pif

C:\Users\Public\Libraries\vpxfxwoB.pif

Network

Country Destination Domain Proto
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.237:443 g.bing.com tcp
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
US 8.8.8.8:53 82.90.14.23.in-addr.arpa udp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
NL 23.62.61.97:443 www.bing.com tcp
US 8.8.8.8:53 138.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 97.61.62.23.in-addr.arpa udp
US 8.8.8.8:53 onedrive.live.com udp
US 13.107.137.11:443 onedrive.live.com tcp
US 13.107.137.11:443 onedrive.live.com tcp
US 8.8.8.8:53 rpdiiq.ph.files.1drv.com udp
US 13.107.42.12:443 rpdiiq.ph.files.1drv.com tcp
US 8.8.8.8:53 11.137.107.13.in-addr.arpa udp
US 8.8.8.8:53 12.42.107.13.in-addr.arpa udp
US 8.8.8.8:53 183.142.211.20.in-addr.arpa udp
US 8.8.8.8:53 api.ipify.org udp
US 172.67.74.152:443 api.ipify.org tcp
US 8.8.8.8:53 ip-api.com udp
US 208.95.112.1:80 ip-api.com tcp
US 8.8.8.8:53 152.74.67.172.in-addr.arpa udp
US 8.8.8.8:53 1.112.95.208.in-addr.arpa udp
US 8.8.8.8:53 smtp.oxcs.bluehost.com udp
US 173.208.41.154:587 smtp.oxcs.bluehost.com tcp
US 8.8.8.8:53 154.41.208.173.in-addr.arpa udp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 52.111.229.48:443 tcp
US 8.8.8.8:53 21.236.111.52.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 8.8.8.8:53 93.65.42.20.in-addr.arpa udp

Files

memory/1216-0-0x0000000000AD0000-0x0000000000AD1000-memory.dmp

memory/1216-1-0x0000000000400000-0x00000000004E8000-memory.dmp

C:\Users\Public\Libraries\vpxfxwoB.pif

MD5 c116d3604ceafe7057d77ff27552c215
SHA1 452b14432fb5758b46f2897aeccd89f7c82a727d
SHA256 7bcdc2e607abc65ef93afd009c3048970d9e8d1c2a18fc571562396b13ebb301
SHA512 9202a00eeaf4c5be94de32fd41bfea40fc32d368955d49b7bad2b5c23c4ebc92dccb37d99f5a14e53ad674b63f1baa6efb1feb27225c86693ead3262a26d66c6

memory/740-9-0x0000000000400000-0x0000000001400000-memory.dmp

memory/740-12-0x0000000000400000-0x0000000001400000-memory.dmp

memory/740-14-0x0000000074F7E000-0x0000000074F7F000-memory.dmp

memory/740-15-0x0000000049A70000-0x0000000049AC6000-memory.dmp

memory/740-16-0x0000000074F70000-0x0000000075720000-memory.dmp

memory/740-17-0x0000000074F70000-0x0000000075720000-memory.dmp

memory/740-18-0x000000004C490000-0x000000004CA34000-memory.dmp

memory/740-19-0x000000004C2D0000-0x000000004C324000-memory.dmp

memory/740-39-0x000000004C2D0000-0x000000004C31E000-memory.dmp

memory/740-41-0x000000004C2D0000-0x000000004C31E000-memory.dmp

memory/740-79-0x000000004C2D0000-0x000000004C31E000-memory.dmp

memory/740-77-0x000000004C2D0000-0x000000004C31E000-memory.dmp

memory/740-75-0x000000004C2D0000-0x000000004C31E000-memory.dmp

memory/740-71-0x000000004C2D0000-0x000000004C31E000-memory.dmp

memory/740-69-0x000000004C2D0000-0x000000004C31E000-memory.dmp

memory/740-67-0x000000004C2D0000-0x000000004C31E000-memory.dmp

memory/740-65-0x000000004C2D0000-0x000000004C31E000-memory.dmp

memory/740-63-0x000000004C2D0000-0x000000004C31E000-memory.dmp

memory/740-61-0x000000004C2D0000-0x000000004C31E000-memory.dmp

memory/740-57-0x000000004C2D0000-0x000000004C31E000-memory.dmp

memory/740-55-0x000000004C2D0000-0x000000004C31E000-memory.dmp

memory/740-54-0x000000004C2D0000-0x000000004C31E000-memory.dmp

memory/740-51-0x000000004C2D0000-0x000000004C31E000-memory.dmp

memory/740-49-0x000000004C2D0000-0x000000004C31E000-memory.dmp

memory/740-47-0x000000004C2D0000-0x000000004C31E000-memory.dmp

memory/740-45-0x000000004C2D0000-0x000000004C31E000-memory.dmp

memory/740-43-0x000000004C2D0000-0x000000004C31E000-memory.dmp

memory/740-37-0x000000004C2D0000-0x000000004C31E000-memory.dmp

memory/740-35-0x000000004C2D0000-0x000000004C31E000-memory.dmp

memory/740-33-0x000000004C2D0000-0x000000004C31E000-memory.dmp

memory/740-31-0x000000004C2D0000-0x000000004C31E000-memory.dmp

memory/740-29-0x000000004C2D0000-0x000000004C31E000-memory.dmp

memory/740-27-0x000000004C2D0000-0x000000004C31E000-memory.dmp

memory/740-25-0x000000004C2D0000-0x000000004C31E000-memory.dmp

memory/740-73-0x000000004C2D0000-0x000000004C31E000-memory.dmp

memory/740-59-0x000000004C2D0000-0x000000004C31E000-memory.dmp

memory/740-23-0x000000004C2D0000-0x000000004C31E000-memory.dmp

memory/740-21-0x000000004C2D0000-0x000000004C31E000-memory.dmp

memory/740-20-0x000000004C2D0000-0x000000004C31E000-memory.dmp

memory/740-1064-0x000000004CA40000-0x000000004CAA6000-memory.dmp

memory/740-1065-0x0000000074F70000-0x0000000075720000-memory.dmp

memory/740-1066-0x000000004DA70000-0x000000004DAC0000-memory.dmp

memory/740-1067-0x000000004DAC0000-0x000000004DB5C000-memory.dmp

memory/740-1068-0x000000004DB60000-0x000000004DBF2000-memory.dmp

memory/740-1069-0x000000004DD90000-0x000000004DD9A000-memory.dmp

memory/740-1072-0x0000000074F7E000-0x0000000074F7F000-memory.dmp

memory/740-1073-0x0000000074F70000-0x0000000075720000-memory.dmp