Analysis

  • max time kernel
    104s
  • max time network
    106s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08/10/2024, 12:44

General

  • Target
    78fcc3b027d03e643ffd64bb3d535c6d1ae38d835b19eec5f936830bd0dbecec.exe
  • Size 1.1MB
  • Sample241008-pygrlaxglq
  • SHA256 78fcc3b027d03e643ffd64bb3d535c6d1ae38d835b19eec5f936830bd0dbecec
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Credentials
  • Protocol

    ftp

  • Host

    ftp.ercolina-usa.com

  • Port

    21

  • Password

    nXe0M~WkW&nJ

Extracted

Family
  • agenttesla

Credentials
  • Protocol

    ftp

  • Host

    ftp://ftp.ercolina-usa.com

  • Port

    21

  • Password

    nXe0M~WkW&nJ

Signatures

  • AgentTesla

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

  • 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
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: MapViewOfSection 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 3 IoCs
  • Suspicious use of SendNotifyMessage 3 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\78fcc3b027d03e643ffd64bb3d535c6d1ae38d835b19eec5f936830bd0dbecec.exe
    "C:\Users\Admin\AppData\Local\Temp\78fcc3b027d03e643ffd64bb3d535c6d1ae38d835b19eec5f936830bd0dbecec.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:4144
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "C:\Users\Admin\AppData\Local\Temp\78fcc3b027d03e643ffd64bb3d535c6d1ae38d835b19eec5f936830bd0dbecec.exe"
      2⤵
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:4336

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        memory/4144-2-0x0000000004390000-0x0000000004790000-memory.dmp

        memory/4336-3-0x0000000000580000-0x00000000005C4000-memory.dmp

        memory/4336-4-0x000000007527E000-0x000000007527F000-memory.dmp

        memory/4336-5-0x00000000050B0000-0x0000000005654000-memory.dmp

        memory/4336-6-0x0000000004D10000-0x0000000004D76000-memory.dmp

        memory/4336-7-0x0000000075270000-0x0000000075A20000-memory.dmp

        memory/4336-10-0x0000000006290000-0x00000000062E0000-memory.dmp

        memory/4336-11-0x0000000006400000-0x0000000006492000-memory.dmp

        memory/4336-12-0x00000000063A0000-0x00000000063AA000-memory.dmp

        memory/4336-13-0x000000007527E000-0x000000007527F000-memory.dmp

        memory/4336-14-0x0000000075270000-0x0000000075A20000-memory.dmp