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Analysis

  • max time kernel
    94s
  • max time network
    138s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02/10/2024, 07:51

General

  • Target

    Shipping documents BL, CI & PL.pdf.exe

  • Size

    811KB

  • MD5

    a66520a932198c68fc0df0423e2c046b

  • SHA1

    d49acc9ad7e386a48d83d0bd334294b4168e21fb

  • SHA256

    40f9a446728e079ce7f1b7b8cd6a6f2ff82e4fb22d209ae9576f178612d35369

  • SHA512

    543ae2fa9923a599d55f0ec74f4eb2dd724209e83a5cb285fe19d40655ed8901c810013c6ba593cf55a7626cc120fdf5815a1eaa9e61ec071b2190f0b4f55f32

  • SSDEEP

    24576:qD0tM85tbNJjldeYiYHkOtw0BH2Hmpp68BMQaV6/778:qD0tM85DJjl/iW1tpBFpp6Ha78

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Unsecured Credentials: Credentials In Files 1 TTPs

    Steal credentials from unsecured files.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • AutoIT Executable 1 IoCs

    AutoIT scripts compiled to PE executables.

  • Suspicious use of SetThreadContext 1 IoCs
  • UPX packed file 2 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • 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.

  • System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 1 IoCs

    Adversaries may check for Internet connectivity on compromised systems.

  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Shipping documents BL, CI & PL.pdf.exe
    "C:\Users\Admin\AppData\Local\Temp\Shipping documents BL, CI & PL.pdf.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • System Network Configuration Discovery: Internet Connection Discovery
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:5068
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "C:\Users\Admin\AppData\Local\Temp\Shipping documents BL, CI & PL.pdf.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:3940
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 5068 -s 744
      2⤵
      • Program crash
      PID:2796
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 5068 -ip 5068
    1⤵
      PID:2912

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/3940-10-0x0000000005F80000-0x0000000005F98000-memory.dmp

      Filesize

      96KB

    • memory/3940-11-0x0000000006700000-0x0000000006766000-memory.dmp

      Filesize

      408KB

    • memory/3940-4-0x0000000000400000-0x000000000043C000-memory.dmp

      Filesize

      240KB

    • memory/3940-5-0x0000000073B7E000-0x0000000073B7F000-memory.dmp

      Filesize

      4KB

    • memory/3940-6-0x0000000005FE0000-0x0000000006584000-memory.dmp

      Filesize

      5.6MB

    • memory/3940-7-0x0000000073B70000-0x0000000074320000-memory.dmp

      Filesize

      7.7MB

    • memory/3940-18-0x0000000073B70000-0x0000000074320000-memory.dmp

      Filesize

      7.7MB

    • memory/3940-17-0x0000000073B7E000-0x0000000073B7F000-memory.dmp

      Filesize

      4KB

    • memory/3940-16-0x0000000073B70000-0x0000000074320000-memory.dmp

      Filesize

      7.7MB

    • memory/3940-9-0x0000000005920000-0x00000000059BC000-memory.dmp

      Filesize

      624KB

    • memory/3940-13-0x0000000006AF0000-0x0000000006B40000-memory.dmp

      Filesize

      320KB

    • memory/3940-14-0x0000000006C20000-0x0000000006CB2000-memory.dmp

      Filesize

      584KB

    • memory/3940-15-0x0000000006C00000-0x0000000006C0A000-memory.dmp

      Filesize

      40KB

    • memory/5068-0-0x0000000000400000-0x00000000004D5000-memory.dmp

      Filesize

      852KB

    • memory/5068-8-0x0000000000400000-0x00000000004D5000-memory.dmp

      Filesize

      852KB

    • memory/5068-3-0x0000000004080000-0x0000000004280000-memory.dmp

      Filesize

      2.0MB