Malware Analysis Report

2024-11-30 05:42

Sample ID 240619-cj5hwsweqr
Target b900f083db24811988658302c8db25549feda1814fd677a0888465355c3bebd0
SHA256 b900f083db24811988658302c8db25549feda1814fd677a0888465355c3bebd0
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

b900f083db24811988658302c8db25549feda1814fd677a0888465355c3bebd0

Threat Level: Known bad

The file b900f083db24811988658302c8db25549feda1814fd677a0888465355c3bebd0 was found to be: Known bad.

Malicious Activity Summary

agenttesla keylogger spyware stealer trojan

AgentTesla

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

Detects executables referencing Windows vault credential objects. Observed in infostealers

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

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

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

Detect packed .NET executables. Mostly AgentTeslaV4.

AutoIT Executable

Suspicious use of SetThreadContext

Unsigned PE

Program crash

Suspicious use of SendNotifyMessage

Suspicious use of WriteProcessMemory

Suspicious behavior: MapViewOfSection

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of FindShellTrayWindow

Suspicious use of SetWindowsHookEx

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-06-19 02:07

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

2024-06-19 02:07

Reported

2024-06-19 02:09

Platform

win7-20240508-en

Max time kernel

118s

Max time network

119s

Command Line

"C:\Users\Admin\AppData\Local\Temp\b900f083db24811988658302c8db25549feda1814fd677a0888465355c3bebd0.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

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 1636 set thread context of 2028 N/A C:\Users\Admin\AppData\Local\Temp\b900f083db24811988658302c8db25549feda1814fd677a0888465355c3bebd0.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\b900f083db24811988658302c8db25549feda1814fd677a0888465355c3bebd0.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 SetWindowsHookEx

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

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1636 wrote to memory of 2028 N/A C:\Users\Admin\AppData\Local\Temp\b900f083db24811988658302c8db25549feda1814fd677a0888465355c3bebd0.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
PID 1636 wrote to memory of 2028 N/A C:\Users\Admin\AppData\Local\Temp\b900f083db24811988658302c8db25549feda1814fd677a0888465355c3bebd0.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
PID 1636 wrote to memory of 2028 N/A C:\Users\Admin\AppData\Local\Temp\b900f083db24811988658302c8db25549feda1814fd677a0888465355c3bebd0.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
PID 1636 wrote to memory of 2028 N/A C:\Users\Admin\AppData\Local\Temp\b900f083db24811988658302c8db25549feda1814fd677a0888465355c3bebd0.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
PID 1636 wrote to memory of 2028 N/A C:\Users\Admin\AppData\Local\Temp\b900f083db24811988658302c8db25549feda1814fd677a0888465355c3bebd0.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
PID 1636 wrote to memory of 2028 N/A C:\Users\Admin\AppData\Local\Temp\b900f083db24811988658302c8db25549feda1814fd677a0888465355c3bebd0.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
PID 1636 wrote to memory of 2028 N/A C:\Users\Admin\AppData\Local\Temp\b900f083db24811988658302c8db25549feda1814fd677a0888465355c3bebd0.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
PID 1636 wrote to memory of 2028 N/A C:\Users\Admin\AppData\Local\Temp\b900f083db24811988658302c8db25549feda1814fd677a0888465355c3bebd0.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe

Processes

C:\Users\Admin\AppData\Local\Temp\b900f083db24811988658302c8db25549feda1814fd677a0888465355c3bebd0.exe

"C:\Users\Admin\AppData\Local\Temp\b900f083db24811988658302c8db25549feda1814fd677a0888465355c3bebd0.exe"

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

"C:\Users\Admin\AppData\Local\Temp\b900f083db24811988658302c8db25549feda1814fd677a0888465355c3bebd0.exe"

Network

N/A

Files

memory/1636-10-0x0000000000160000-0x0000000000164000-memory.dmp

memory/2028-11-0x0000000000400000-0x0000000000440000-memory.dmp

memory/2028-15-0x0000000000400000-0x0000000000440000-memory.dmp

memory/2028-13-0x0000000000400000-0x0000000000440000-memory.dmp

memory/2028-16-0x000000007432E000-0x000000007432F000-memory.dmp

memory/2028-17-0x0000000074320000-0x0000000074A0E000-memory.dmp

memory/2028-18-0x000000007432E000-0x000000007432F000-memory.dmp

memory/2028-19-0x0000000074320000-0x0000000074A0E000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-19 02:07

Reported

2024-06-19 02:09

Platform

win10v2004-20240508-en

Max time kernel

146s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\b900f083db24811988658302c8db25549feda1814fd677a0888465355c3bebd0.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

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 1452 set thread context of 1624 N/A C:\Users\Admin\AppData\Local\Temp\b900f083db24811988658302c8db25549feda1814fd677a0888465355c3bebd0.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\b900f083db24811988658302c8db25549feda1814fd677a0888465355c3bebd0.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 SetWindowsHookEx

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

Processes

C:\Users\Admin\AppData\Local\Temp\b900f083db24811988658302c8db25549feda1814fd677a0888465355c3bebd0.exe

"C:\Users\Admin\AppData\Local\Temp\b900f083db24811988658302c8db25549feda1814fd677a0888465355c3bebd0.exe"

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

"C:\Users\Admin\AppData\Local\Temp\b900f083db24811988658302c8db25549feda1814fd677a0888465355c3bebd0.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1452 -ip 1452

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1452 -s 700

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 64.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 11.227.111.52.in-addr.arpa udp

Files

memory/1452-10-0x0000000000AC0000-0x0000000000AC4000-memory.dmp

memory/1624-11-0x0000000000400000-0x0000000000440000-memory.dmp

memory/1624-12-0x00000000742EE000-0x00000000742EF000-memory.dmp

memory/1624-13-0x0000000005E70000-0x0000000006414000-memory.dmp

memory/1624-14-0x00000000059C0000-0x0000000005A26000-memory.dmp

memory/1624-15-0x00000000742E0000-0x0000000074A90000-memory.dmp

memory/1624-16-0x00000000068B0000-0x0000000006900000-memory.dmp

memory/1624-17-0x00000000069A0000-0x0000000006A32000-memory.dmp

memory/1624-18-0x0000000006B40000-0x0000000006B4A000-memory.dmp

memory/1624-19-0x00000000742EE000-0x00000000742EF000-memory.dmp

memory/1624-20-0x00000000742E0000-0x0000000074A90000-memory.dmp