Malware Analysis Report

2024-10-19 09:23

Sample ID 240612-cplyqsyemn
Target 90384630603db9e5a555e63b50542c67.bin
SHA256 8d682f1a9fdb8afb144352e40aefb7baddc1a8ee100a37325aaa04983546fdce
Tags
agenttesla keylogger 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

8d682f1a9fdb8afb144352e40aefb7baddc1a8ee100a37325aaa04983546fdce

Threat Level: Known bad

The file 90384630603db9e5a555e63b50542c67.bin was found to be: Known bad.

Malicious Activity Summary

agenttesla keylogger spyware stealer trojan

AgentTesla

Reads WinSCP keys stored on the system

Reads user/profile data of local email clients

Reads data files stored by FTP clients

Reads user/profile data of web browsers

Suspicious use of SetThreadContext

Unsigned PE

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-12 02:15

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-12 02:15

Reported

2024-06-12 02:17

Platform

win7-20240220-en

Max time kernel

122s

Max time network

123s

Command Line

"C:\Users\Admin\AppData\Local\Temp\7a58e101be7adf3fb1b99f17259c8e0747970336a998ae6f01c549bbd27926db.exe"

Signatures

AgentTesla

keylogger trojan stealer spyware agenttesla

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 2196 set thread context of 2252 N/A C:\Users\Admin\AppData\Local\Temp\7a58e101be7adf3fb1b99f17259c8e0747970336a998ae6f01c549bbd27926db.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe

Suspicious behavior: EnumeratesProcesses

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

Suspicious use of AdjustPrivilegeToken

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

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2196 wrote to memory of 2252 N/A C:\Users\Admin\AppData\Local\Temp\7a58e101be7adf3fb1b99f17259c8e0747970336a998ae6f01c549bbd27926db.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe
PID 2196 wrote to memory of 2252 N/A C:\Users\Admin\AppData\Local\Temp\7a58e101be7adf3fb1b99f17259c8e0747970336a998ae6f01c549bbd27926db.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe
PID 2196 wrote to memory of 2252 N/A C:\Users\Admin\AppData\Local\Temp\7a58e101be7adf3fb1b99f17259c8e0747970336a998ae6f01c549bbd27926db.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe
PID 2196 wrote to memory of 2252 N/A C:\Users\Admin\AppData\Local\Temp\7a58e101be7adf3fb1b99f17259c8e0747970336a998ae6f01c549bbd27926db.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe
PID 2196 wrote to memory of 2252 N/A C:\Users\Admin\AppData\Local\Temp\7a58e101be7adf3fb1b99f17259c8e0747970336a998ae6f01c549bbd27926db.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe
PID 2196 wrote to memory of 2252 N/A C:\Users\Admin\AppData\Local\Temp\7a58e101be7adf3fb1b99f17259c8e0747970336a998ae6f01c549bbd27926db.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe
PID 2196 wrote to memory of 2252 N/A C:\Users\Admin\AppData\Local\Temp\7a58e101be7adf3fb1b99f17259c8e0747970336a998ae6f01c549bbd27926db.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe
PID 2196 wrote to memory of 2252 N/A C:\Users\Admin\AppData\Local\Temp\7a58e101be7adf3fb1b99f17259c8e0747970336a998ae6f01c549bbd27926db.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe
PID 2196 wrote to memory of 2252 N/A C:\Users\Admin\AppData\Local\Temp\7a58e101be7adf3fb1b99f17259c8e0747970336a998ae6f01c549bbd27926db.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe
PID 2196 wrote to memory of 2500 N/A C:\Users\Admin\AppData\Local\Temp\7a58e101be7adf3fb1b99f17259c8e0747970336a998ae6f01c549bbd27926db.exe C:\Windows\system32\WerFault.exe
PID 2196 wrote to memory of 2500 N/A C:\Users\Admin\AppData\Local\Temp\7a58e101be7adf3fb1b99f17259c8e0747970336a998ae6f01c549bbd27926db.exe C:\Windows\system32\WerFault.exe
PID 2196 wrote to memory of 2500 N/A C:\Users\Admin\AppData\Local\Temp\7a58e101be7adf3fb1b99f17259c8e0747970336a998ae6f01c549bbd27926db.exe C:\Windows\system32\WerFault.exe

Processes

C:\Users\Admin\AppData\Local\Temp\7a58e101be7adf3fb1b99f17259c8e0747970336a998ae6f01c549bbd27926db.exe

"C:\Users\Admin\AppData\Local\Temp\7a58e101be7adf3fb1b99f17259c8e0747970336a998ae6f01c549bbd27926db.exe"

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

"C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe"

C:\Windows\system32\WerFault.exe

C:\Windows\system32\WerFault.exe -u -p 2196 -s 652

Network

Country Destination Domain Proto
US 8.8.8.8:53 mail.b-trust.org udp
BG 193.41.190.42:25 mail.b-trust.org tcp

Files

memory/2196-0-0x000007FEF5BA3000-0x000007FEF5BA4000-memory.dmp

memory/2196-1-0x0000000000890000-0x000000000089A000-memory.dmp

memory/2196-2-0x000007FEF5BA0000-0x000007FEF658C000-memory.dmp

memory/2196-3-0x000000001B570000-0x000000001B606000-memory.dmp

memory/2252-4-0x0000000000400000-0x0000000000442000-memory.dmp

memory/2252-11-0x0000000000400000-0x0000000000442000-memory.dmp

memory/2252-15-0x0000000000400000-0x0000000000442000-memory.dmp

memory/2252-13-0x0000000000400000-0x0000000000442000-memory.dmp

memory/2252-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/2252-8-0x0000000000400000-0x0000000000442000-memory.dmp

memory/2252-6-0x0000000000400000-0x0000000000442000-memory.dmp

memory/2252-5-0x0000000000400000-0x0000000000442000-memory.dmp

memory/2252-16-0x000000007488E000-0x000000007488F000-memory.dmp

memory/2252-17-0x0000000074880000-0x0000000074F6E000-memory.dmp

memory/2196-18-0x000007FEF5BA3000-0x000007FEF5BA4000-memory.dmp

memory/2196-19-0x000007FEF5BA0000-0x000007FEF658C000-memory.dmp

memory/2252-20-0x000000007488E000-0x000000007488F000-memory.dmp

memory/2252-21-0x0000000074880000-0x0000000074F6E000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-12 02:15

Reported

2024-06-12 02:17

Platform

win10v2004-20240611-en

Max time kernel

114s

Max time network

126s

Command Line

"C:\Users\Admin\AppData\Local\Temp\7a58e101be7adf3fb1b99f17259c8e0747970336a998ae6f01c549bbd27926db.exe"

Signatures

AgentTesla

keylogger trojan stealer spyware agenttesla

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

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 3300 set thread context of 1680 N/A C:\Users\Admin\AppData\Local\Temp\7a58e101be7adf3fb1b99f17259c8e0747970336a998ae6f01c549bbd27926db.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe

Suspicious use of AdjustPrivilegeToken

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

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3300 wrote to memory of 1680 N/A C:\Users\Admin\AppData\Local\Temp\7a58e101be7adf3fb1b99f17259c8e0747970336a998ae6f01c549bbd27926db.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe
PID 3300 wrote to memory of 1680 N/A C:\Users\Admin\AppData\Local\Temp\7a58e101be7adf3fb1b99f17259c8e0747970336a998ae6f01c549bbd27926db.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe
PID 3300 wrote to memory of 1680 N/A C:\Users\Admin\AppData\Local\Temp\7a58e101be7adf3fb1b99f17259c8e0747970336a998ae6f01c549bbd27926db.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe
PID 3300 wrote to memory of 1680 N/A C:\Users\Admin\AppData\Local\Temp\7a58e101be7adf3fb1b99f17259c8e0747970336a998ae6f01c549bbd27926db.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe
PID 3300 wrote to memory of 1680 N/A C:\Users\Admin\AppData\Local\Temp\7a58e101be7adf3fb1b99f17259c8e0747970336a998ae6f01c549bbd27926db.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe
PID 3300 wrote to memory of 1680 N/A C:\Users\Admin\AppData\Local\Temp\7a58e101be7adf3fb1b99f17259c8e0747970336a998ae6f01c549bbd27926db.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe
PID 3300 wrote to memory of 1680 N/A C:\Users\Admin\AppData\Local\Temp\7a58e101be7adf3fb1b99f17259c8e0747970336a998ae6f01c549bbd27926db.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe
PID 3300 wrote to memory of 1680 N/A C:\Users\Admin\AppData\Local\Temp\7a58e101be7adf3fb1b99f17259c8e0747970336a998ae6f01c549bbd27926db.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe
PID 3300 wrote to memory of 4080 N/A C:\Users\Admin\AppData\Local\Temp\7a58e101be7adf3fb1b99f17259c8e0747970336a998ae6f01c549bbd27926db.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe
PID 3300 wrote to memory of 4080 N/A C:\Users\Admin\AppData\Local\Temp\7a58e101be7adf3fb1b99f17259c8e0747970336a998ae6f01c549bbd27926db.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe
PID 3300 wrote to memory of 4080 N/A C:\Users\Admin\AppData\Local\Temp\7a58e101be7adf3fb1b99f17259c8e0747970336a998ae6f01c549bbd27926db.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe

Processes

C:\Users\Admin\AppData\Local\Temp\7a58e101be7adf3fb1b99f17259c8e0747970336a998ae6f01c549bbd27926db.exe

"C:\Users\Admin\AppData\Local\Temp\7a58e101be7adf3fb1b99f17259c8e0747970336a998ae6f01c549bbd27926db.exe"

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

"C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe"

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

"C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe"

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe

"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4272,i,3671441404766730751,12082497324212183132,262144 --variations-seed-version --mojo-platform-channel-handle=4316 /prefetch:8

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 71.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 mail.b-trust.org udp
BG 193.41.190.42:25 mail.b-trust.org tcp
US 8.8.8.8:53 21.236.111.52.in-addr.arpa udp
US 8.8.8.8:53 81.144.22.2.in-addr.arpa udp
US 8.8.8.8:53 24.173.189.20.in-addr.arpa udp

Files

memory/3300-1-0x00007FFD3B923000-0x00007FFD3B925000-memory.dmp

memory/3300-0-0x00000177125D0000-0x00000177125DA000-memory.dmp

memory/3300-2-0x000001772CDA0000-0x000001772CE36000-memory.dmp

memory/3300-3-0x00007FFD3B920000-0x00007FFD3C3E1000-memory.dmp

memory/1680-4-0x0000000000400000-0x0000000000442000-memory.dmp

memory/1680-5-0x0000000074C7E000-0x0000000074C7F000-memory.dmp

memory/1680-6-0x0000000005E20000-0x00000000063C4000-memory.dmp

memory/1680-7-0x0000000005990000-0x00000000059F6000-memory.dmp

memory/1680-8-0x0000000074C70000-0x0000000075420000-memory.dmp

memory/3300-9-0x00007FFD3B920000-0x00007FFD3C3E1000-memory.dmp

memory/1680-10-0x0000000006830000-0x0000000006880000-memory.dmp

memory/1680-11-0x0000000006920000-0x00000000069BC000-memory.dmp

memory/1680-12-0x0000000074C7E000-0x0000000074C7F000-memory.dmp

memory/1680-13-0x0000000074C70000-0x0000000075420000-memory.dmp

memory/1680-14-0x0000000006CE0000-0x0000000006D72000-memory.dmp

memory/1680-15-0x0000000006CC0000-0x0000000006CCA000-memory.dmp