Malware Analysis Report

2024-11-30 06:45

Sample ID 240604-b1f17ahe33
Target 85961fb739b0bd9545d09560709606b4ffabfa3bb12640ead62d7bfc27c87586.uue
SHA256 85961fb739b0bd9545d09560709606b4ffabfa3bb12640ead62d7bfc27c87586
Tags
agenttesla keylogger spyware stealer trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

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

85961fb739b0bd9545d09560709606b4ffabfa3bb12640ead62d7bfc27c87586

Threat Level: Known bad

The file 85961fb739b0bd9545d09560709606b4ffabfa3bb12640ead62d7bfc27c87586.uue was found to be: Known bad.

Malicious Activity Summary

agenttesla keylogger spyware stealer trojan

AgentTesla

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

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

Detect packed .NET executables. Mostly AgentTeslaV4.

Detects executables referencing Windows vault credential objects. Observed in infostealers

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

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

Looks up external IP address via web service

AutoIT Executable

Suspicious use of SetThreadContext

Unsigned PE

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

Suspicious use of FindShellTrayWindow

Suspicious use of AdjustPrivilegeToken

Suspicious behavior: MapViewOfSection

Suspicious use of SendNotifyMessage

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-06-04 01:36

Signatures

AutoIT Executable

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-04 01:36

Reported

2024-06-04 01:39

Platform

win7-20231129-en

Max time kernel

117s

Max time network

129s

Command Line

"C:\Users\Admin\AppData\Local\Temp\PI 77479493 y veloz103 bbva.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

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

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

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

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

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

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

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 2468 set thread context of 2228 N/A C:\Users\Admin\AppData\Local\Temp\PI 77479493 y veloz103 bbva.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe N/A
N/A N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe N/A

Suspicious behavior: MapViewOfSection

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\PI 77479493 y veloz103 bbva.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe N/A

Suspicious use of FindShellTrayWindow

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\PI 77479493 y veloz103 bbva.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\PI 77479493 y veloz103 bbva.exe N/A

Suspicious use of SendNotifyMessage

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\PI 77479493 y veloz103 bbva.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\PI 77479493 y veloz103 bbva.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\PI 77479493 y veloz103 bbva.exe

"C:\Users\Admin\AppData\Local\Temp\PI 77479493 y veloz103 bbva.exe"

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe

"C:\Users\Admin\AppData\Local\Temp\PI 77479493 y veloz103 bbva.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 api.ipify.org udp
US 104.26.13.205:443 api.ipify.org tcp
US 8.8.8.8:53 pki.goog udp
US 216.239.32.29:80 pki.goog tcp
US 8.8.8.8:53 www.microsoft.com udp

Files

memory/2468-10-0x00000000001A0000-0x00000000001A4000-memory.dmp

memory/2228-11-0x0000000000400000-0x0000000000440000-memory.dmp

memory/2228-15-0x0000000000400000-0x0000000000440000-memory.dmp

memory/2228-13-0x0000000000400000-0x0000000000440000-memory.dmp

memory/2228-16-0x0000000073CAE000-0x0000000073CAF000-memory.dmp

memory/2228-17-0x0000000073CA0000-0x000000007438E000-memory.dmp

memory/2228-32-0x0000000073CAE000-0x0000000073CAF000-memory.dmp

memory/2228-33-0x0000000073CA0000-0x000000007438E000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-04 01:36

Reported

2024-06-04 01:39

Platform

win10v2004-20240508-en

Max time kernel

137s

Max time network

106s

Command Line

"C:\Users\Admin\AppData\Local\Temp\PI 77479493 y veloz103 bbva.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

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

Detects executables referencing Windows vault credential objects. Observed in infostealers

Description Indicator Process Target
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

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

Description Indicator Process Target
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

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

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 1448 set thread context of 4440 N/A C:\Users\Admin\AppData\Local\Temp\PI 77479493 y veloz103 bbva.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe N/A
N/A N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe N/A

Suspicious behavior: MapViewOfSection

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\PI 77479493 y veloz103 bbva.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe N/A

Suspicious use of FindShellTrayWindow

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\PI 77479493 y veloz103 bbva.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\PI 77479493 y veloz103 bbva.exe N/A

Suspicious use of SendNotifyMessage

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\PI 77479493 y veloz103 bbva.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\PI 77479493 y veloz103 bbva.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\PI 77479493 y veloz103 bbva.exe

"C:\Users\Admin\AppData\Local\Temp\PI 77479493 y veloz103 bbva.exe"

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe

"C:\Users\Admin\AppData\Local\Temp\PI 77479493 y veloz103 bbva.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 13.86.106.20.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
US 8.8.8.8:53 22.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 api.ipify.org udp
US 104.26.13.205:443 api.ipify.org tcp
NL 23.62.61.97:443 www.bing.com tcp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 205.13.26.104.in-addr.arpa udp
US 8.8.8.8:53 97.61.62.23.in-addr.arpa udp
NL 23.62.61.97:443 www.bing.com tcp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 56.126.166.20.in-addr.arpa udp
US 8.8.8.8:53 43.58.199.20.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

Files

memory/1448-10-0x0000000001930000-0x0000000001934000-memory.dmp

memory/4440-11-0x0000000000400000-0x0000000000440000-memory.dmp

memory/4440-12-0x0000000074BFE000-0x0000000074BFF000-memory.dmp

memory/4440-13-0x0000000005AA0000-0x0000000006044000-memory.dmp

memory/4440-15-0x0000000074BF0000-0x00000000753A0000-memory.dmp

memory/4440-14-0x00000000054F0000-0x0000000005556000-memory.dmp

memory/4440-16-0x00000000067A0000-0x00000000067F0000-memory.dmp

memory/4440-17-0x0000000006890000-0x0000000006922000-memory.dmp

memory/4440-18-0x0000000006810000-0x000000000681A000-memory.dmp

memory/4440-19-0x0000000074BFE000-0x0000000074BFF000-memory.dmp

memory/4440-20-0x0000000074BF0000-0x00000000753A0000-memory.dmp