Analysis

  • max time kernel
    143s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19-06-2024 12:10

General

  • Target

    BID DOCUMENTS.exe

  • Size

    3.1MB

  • MD5

    27b4e1027f528cd02d8126d8d19372f5

  • SHA1

    bec8b318bce37e293d5356ba56b382346470a236

  • SHA256

    92db2a8c9016383ace39beace9156fc9aea2c95313ad91a3eed5bf96329f8ba1

  • SHA512

    9972cbd9a2d4e8a141839c75df1d1b5afccb98ce207e1fe7fe6969e4d211111364475215d2bf7f7329f57c0045085582951642e9e486caabf015cf4711b2280e

  • SSDEEP

    12288:+V+aq6L4afWowT8m+D8x3/BT6DCXsyFk/VbvcEiGEXEw/LMQ5VCy2+:KxfwTuDS/V6W96tbvyUoL35VCy2+

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.

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\BID DOCUMENTS.exe
    "C:\Users\Admin\AppData\Local\Temp\BID DOCUMENTS.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:3016
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2396
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe"
      2⤵
        PID:2248
    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=2924 --field-trial-handle=2328,i,5873823382323802923,13134441441264702821,262144 --variations-seed-version /prefetch:8
      1⤵
        PID:1852

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/2396-9-0x0000000005240000-0x00000000052A6000-memory.dmp

        Filesize

        408KB

      • memory/2396-8-0x0000000074AC0000-0x0000000075270000-memory.dmp

        Filesize

        7.7MB

      • memory/2396-14-0x0000000074AC0000-0x0000000075270000-memory.dmp

        Filesize

        7.7MB

      • memory/2396-13-0x0000000074ACE000-0x0000000074ACF000-memory.dmp

        Filesize

        4KB

      • memory/2396-4-0x0000000000400000-0x0000000000440000-memory.dmp

        Filesize

        256KB

      • memory/2396-12-0x0000000006060000-0x000000000606A000-memory.dmp

        Filesize

        40KB

      • memory/2396-11-0x00000000060C0000-0x0000000006152000-memory.dmp

        Filesize

        584KB

      • memory/2396-7-0x0000000005780000-0x0000000005D24000-memory.dmp

        Filesize

        5.6MB

      • memory/2396-6-0x0000000074ACE000-0x0000000074ACF000-memory.dmp

        Filesize

        4KB

      • memory/2396-10-0x0000000005FD0000-0x0000000006020000-memory.dmp

        Filesize

        320KB

      • memory/3016-0-0x00007FFCE8BB3000-0x00007FFCE8BB5000-memory.dmp

        Filesize

        8KB

      • memory/3016-1-0x000001D84FAE0000-0x000001D84FAEA000-memory.dmp

        Filesize

        40KB

      • memory/3016-5-0x00007FFCE8BB0000-0x00007FFCE9671000-memory.dmp

        Filesize

        10.8MB

      • memory/3016-3-0x000001D86A110000-0x000001D86A1A4000-memory.dmp

        Filesize

        592KB

      • memory/3016-2-0x00007FFCE8BB0000-0x00007FFCE9671000-memory.dmp

        Filesize

        10.8MB