Analysis

  • max time kernel
    44s
  • max time network
    31s
  • platform
    windows7_x64
  • resource
    win7-20230220-en
  • resource tags

    arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
  • submitted
    18/04/2023, 13:12

General

  • Target
    PO 34096.exe
  • Size 1.7MB
  • Sample230418-qfhrlsbe84
  • SHA256 a75c256247f91d9e1e5de3d1b8155c0d31f9ba04a37b709c2d2289c91afc2a00
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • agenttesla

Credentials

Signatures

  • AgentTesla

    Agent Tesla is a remote access tool (RAT) written in visual basic.

  • 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.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\PO 34096.exe
    "C:\Users\Admin\AppData\Local\Temp\PO 34096.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:920
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ENC cwB0AGEAcgB0AC0AcwBsAGUAZQBwACAALQBzAGUAYwBvAG4AZABzACAAMgAwAA==
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:880
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
      C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:1780

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        memory/880-61-0x0000000002210000-0x0000000002250000-memory.dmp

        memory/880-64-0x0000000002210000-0x0000000002250000-memory.dmp

        memory/880-62-0x0000000002210000-0x0000000002250000-memory.dmp

        memory/920-58-0x0000000000A90000-0x0000000000B22000-memory.dmp

        memory/920-54-0x0000000000D90000-0x0000000000F48000-memory.dmp

        memory/920-57-0x0000000000420000-0x0000000000446000-memory.dmp

        memory/920-56-0x0000000004DA0000-0x0000000004DE0000-memory.dmp

        memory/920-63-0x0000000004DA0000-0x0000000004DE0000-memory.dmp

        memory/920-55-0x0000000004BE0000-0x0000000004D28000-memory.dmp

        memory/1780-67-0x0000000000400000-0x0000000000430000-memory.dmp

        memory/1780-66-0x0000000000400000-0x0000000000430000-memory.dmp

        memory/1780-70-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

        memory/1780-69-0x0000000000400000-0x0000000000430000-memory.dmp

        memory/1780-68-0x0000000000400000-0x0000000000430000-memory.dmp

        memory/1780-71-0x0000000000400000-0x0000000000430000-memory.dmp

        memory/1780-73-0x0000000000400000-0x0000000000430000-memory.dmp

        memory/1780-75-0x0000000000400000-0x0000000000430000-memory.dmp

        memory/1780-76-0x00000000051A0000-0x00000000051E0000-memory.dmp

        memory/1780-77-0x00000000051A0000-0x00000000051E0000-memory.dmp