Analysis
- max time kernel
133s - max time network
123s - platform
windows10-2004_x64 - resource
win10v2004-20240611-en - resource tags
- submitted
02/07/2024, 01:06
General
- Target PO#VPP240570-11.exe
- Size 27KB
- Sample240702-bf48aavbjm
- SHA256 668ee22f01a50289688d2dc22f4b1a591e5ee9165ee6963b724c506f4244105b
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
cpns2.citechco.net
-
Port
587
-
Username
-
Password
admin@123A
-
Email to
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- Drops startup file 2 IoCs
- Obfuscated with Agile.Net obfuscator 1 IoCs
Detects use of the Agile.Net commercial obfuscator, which is capable of entity renaming and control flow obfuscation.
- Reads WinSCP keys stored on the system 2 TTPs
Tries to access WinSCP stored sessions.
- Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
- Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
- Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Adds Run key to start application 2 TTPs 1 IoCs
- Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- Suspicious use of SetThreadContext 1 IoCs
- Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs
Using powershell.exe command.
- Suspicious behavior: EnumeratesProcesses 30 IoCs
- Suspicious use of AdjustPrivilegeToken 3 IoCs
- Suspicious use of WriteProcessMemory 11 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\PO#VPP240570-11.exe"C:\Users\Admin\AppData\Local\Temp\PO#VPP240570-11.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\Powershell.exe"Powershell.exe" -ExecutionPolicy Bypass -command Copy-Item 'C:\Users\Admin\AppData\Local\Temp\PO#VPP240570-11.exe' 'C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\PO#VPP240570-11.exe' -Force2⤵
- Drops startup file
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Users\Admin\AppData\Local\Temp\PO#VPP240570-11.exe"C:\Users\Admin\AppData\Local\Temp\PO#VPP240570-11.exe"2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
PO#VPP240570-11.exe.log
__PSScriptPolicyTest_3ncggo2k.ewq.ps1
memory/372-30-0x0000000074EA0000-0x0000000075650000-memory.dmp
memory/372-27-0x0000000000400000-0x0000000000442000-memory.dmp
memory/372-32-0x0000000074EA0000-0x0000000075650000-memory.dmp
memory/372-41-0x0000000006AA0000-0x0000000006AF0000-memory.dmp
memory/372-42-0x0000000074EA0000-0x0000000075650000-memory.dmp
memory/1776-2-0x0000000005B10000-0x00000000060B4000-memory.dmp
memory/1776-8-0x0000000006C50000-0x0000000006CB6000-memory.dmp
memory/1776-7-0x0000000006BB0000-0x0000000006C4C000-memory.dmp
memory/1776-4-0x0000000005510000-0x000000000551A000-memory.dmp
memory/1776-5-0x0000000074EA0000-0x0000000075650000-memory.dmp
memory/1776-31-0x0000000074EA0000-0x0000000075650000-memory.dmp
memory/1776-0-0x0000000074EAE000-0x0000000074EAF000-memory.dmp
memory/1776-3-0x0000000005560000-0x00000000055F2000-memory.dmp
memory/1776-1-0x0000000000B00000-0x0000000000B0E000-memory.dmp
memory/1776-6-0x00000000069C0000-0x0000000006A08000-memory.dmp
memory/2316-9-0x00000000025D0000-0x0000000002606000-memory.dmp
memory/2316-26-0x0000000006470000-0x00000000064BC000-memory.dmp
memory/2316-25-0x0000000005ED0000-0x0000000005EEE000-memory.dmp
memory/2316-34-0x0000000006350000-0x000000000636A000-memory.dmp
memory/2316-12-0x0000000004E30000-0x0000000004E52000-memory.dmp
memory/2316-13-0x0000000004FD0000-0x0000000005036000-memory.dmp
memory/2316-11-0x0000000005050000-0x0000000005678000-memory.dmp
memory/2316-35-0x00000000063C0000-0x00000000063E2000-memory.dmp
memory/2316-23-0x0000000005920000-0x0000000005C74000-memory.dmp
memory/2316-33-0x0000000006F40000-0x0000000006FD6000-memory.dmp
memory/2316-39-0x0000000074EA0000-0x0000000075650000-memory.dmp
memory/2316-10-0x0000000074EA0000-0x0000000075650000-memory.dmp
memory/2316-24-0x0000000074EA0000-0x0000000075650000-memory.dmp