Analysis

  • max time kernel
    121s
  • max time network
    127s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    03/04/2024, 13:37

General

  • Target
    60403226eab2c0804d72c9af7892289d728c8e601ca6bde6d9c09cd51c5ba6d3.exe
  • Size 639KB
  • Sample240403-qws8aadh3z
  • SHA256 60403226eab2c0804d72c9af7892289d728c8e601ca6bde6d9c09cd51c5ba6d3
  • 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 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.

  • 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
  • Enumerates physical storage devices 1 TTPs

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

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\60403226eab2c0804d72c9af7892289d728c8e601ca6bde6d9c09cd51c5ba6d3.exe
    "C:\Users\Admin\AppData\Local\Temp\60403226eab2c0804d72c9af7892289d728c8e601ca6bde6d9c09cd51c5ba6d3.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2068
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\KgGrKPjIVTN.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2712
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\KgGrKPjIVTN" /XML "C:\Users\Admin\AppData\Local\Temp\tmp7F1F.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2584
    • C:\Users\Admin\AppData\Local\Temp\60403226eab2c0804d72c9af7892289d728c8e601ca6bde6d9c09cd51c5ba6d3.exe
      "C:\Users\Admin\AppData\Local\Temp\60403226eab2c0804d72c9af7892289d728c8e601ca6bde6d9c09cd51c5ba6d3.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2828

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        tmp7F1F.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\tmp7F1F.tmp
        • Size 1KB
        • SHA256 dfe1bb6fa549f40865b5fed86714114f8b6686728ebce2fa33c7e57ea947118f
        • MD5 SHA1 SHA512

        memory/2068-6-0x0000000004900000-0x0000000004984000-memory.dmp

        memory/2068-2-0x0000000004270000-0x00000000042B0000-memory.dmp

        memory/2068-3-0x0000000000220000-0x0000000000234000-memory.dmp

        memory/2068-4-0x0000000000470000-0x0000000000478000-memory.dmp

        memory/2068-5-0x0000000000480000-0x000000000048C000-memory.dmp

        memory/2068-1-0x0000000074490000-0x0000000074B7E000-memory.dmp

        memory/2068-0-0x00000000008D0000-0x0000000000974000-memory.dmp

        memory/2068-24-0x0000000074490000-0x0000000074B7E000-memory.dmp

        memory/2712-27-0x000000006E910000-0x000000006EEBB000-memory.dmp

        memory/2712-32-0x000000006E910000-0x000000006EEBB000-memory.dmp

        memory/2712-31-0x0000000002530000-0x0000000002570000-memory.dmp

        memory/2712-30-0x0000000002530000-0x0000000002570000-memory.dmp

        memory/2712-28-0x000000006E910000-0x000000006EEBB000-memory.dmp

        memory/2828-18-0x0000000000400000-0x0000000000440000-memory.dmp

        memory/2828-26-0x0000000000400000-0x0000000000440000-memory.dmp

        memory/2828-23-0x0000000000400000-0x0000000000440000-memory.dmp

        memory/2828-21-0x0000000000400000-0x0000000000440000-memory.dmp

        memory/2828-29-0x0000000073190000-0x000000007387E000-memory.dmp

        memory/2828-19-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

        memory/2828-17-0x0000000000400000-0x0000000000440000-memory.dmp

        memory/2828-16-0x0000000000400000-0x0000000000440000-memory.dmp

        memory/2828-33-0x0000000073190000-0x000000007387E000-memory.dmp