Analysis

  • max time kernel
    120s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20231025-en
  • resource tags

    arch:x64arch:x86image:win7-20231025-enlocale:en-usos:windows7-x64system
  • submitted
    04-12-2023 01:37

General

  • Target

    581d16a348109b69beb1f73473c2780c5f6fb11c78a52f4b6513c6e91439a0db.exe

  • Size

    675KB

  • MD5

    ab0588667888b206a92042f8b6d90d61

  • SHA1

    3e566a4fc7293e75156853e1da96065898ef2c23

  • SHA256

    581d16a348109b69beb1f73473c2780c5f6fb11c78a52f4b6513c6e91439a0db

  • SHA512

    f29cd74c280948570c7d442bf9227b97fd6043f99c81c4f75e49f24fcca196a193310fe003d5b8a0e9854d1f5103904b180fe2fde10d3542f7e310737ab4a410

  • SSDEEP

    12288:wCprJ8IrQy2qgh5BJBKF8+sGw6oRM71EztXltJrZArTXAWBJxAfgSB:DrJ+y2qInBK8oyRMJEztXrRZATXAgg

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • 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
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\581d16a348109b69beb1f73473c2780c5f6fb11c78a52f4b6513c6e91439a0db.exe
    "C:\Users\Admin\AppData\Local\Temp\581d16a348109b69beb1f73473c2780c5f6fb11c78a52f4b6513c6e91439a0db.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1944
    • C:\Users\Admin\AppData\Local\Temp\581d16a348109b69beb1f73473c2780c5f6fb11c78a52f4b6513c6e91439a0db.exe
      "C:\Users\Admin\AppData\Local\Temp\581d16a348109b69beb1f73473c2780c5f6fb11c78a52f4b6513c6e91439a0db.exe"
      2⤵
        PID:2160
      • C:\Users\Admin\AppData\Local\Temp\581d16a348109b69beb1f73473c2780c5f6fb11c78a52f4b6513c6e91439a0db.exe
        "C:\Users\Admin\AppData\Local\Temp\581d16a348109b69beb1f73473c2780c5f6fb11c78a52f4b6513c6e91439a0db.exe"
        2⤵
          PID:2660
        • C:\Users\Admin\AppData\Local\Temp\581d16a348109b69beb1f73473c2780c5f6fb11c78a52f4b6513c6e91439a0db.exe
          "C:\Users\Admin\AppData\Local\Temp\581d16a348109b69beb1f73473c2780c5f6fb11c78a52f4b6513c6e91439a0db.exe"
          2⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          PID:2664

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/1944-0-0x0000000000070000-0x000000000011E000-memory.dmp

        Filesize

        696KB

      • memory/1944-1-0x0000000074940000-0x000000007502E000-memory.dmp

        Filesize

        6.9MB

      • memory/1944-2-0x0000000004E00000-0x0000000004E40000-memory.dmp

        Filesize

        256KB

      • memory/1944-3-0x0000000000480000-0x0000000000496000-memory.dmp

        Filesize

        88KB

      • memory/1944-4-0x00000000004E0000-0x00000000004E8000-memory.dmp

        Filesize

        32KB

      • memory/1944-5-0x00000000004F0000-0x00000000004FA000-memory.dmp

        Filesize

        40KB

      • memory/1944-6-0x00000000051E0000-0x000000000525A000-memory.dmp

        Filesize

        488KB

      • memory/1944-16-0x0000000074940000-0x000000007502E000-memory.dmp

        Filesize

        6.9MB

      • memory/2664-8-0x0000000000400000-0x0000000000440000-memory.dmp

        Filesize

        256KB

      • memory/2664-9-0x0000000000400000-0x0000000000440000-memory.dmp

        Filesize

        256KB

      • memory/2664-10-0x0000000000400000-0x0000000000440000-memory.dmp

        Filesize

        256KB

      • memory/2664-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

        Filesize

        4KB

      • memory/2664-13-0x0000000000400000-0x0000000000440000-memory.dmp

        Filesize

        256KB

      • memory/2664-7-0x0000000000400000-0x0000000000440000-memory.dmp

        Filesize

        256KB

      • memory/2664-15-0x0000000000400000-0x0000000000440000-memory.dmp

        Filesize

        256KB

      • memory/2664-18-0x0000000000400000-0x0000000000440000-memory.dmp

        Filesize

        256KB

      • memory/2664-19-0x0000000074250000-0x000000007493E000-memory.dmp

        Filesize

        6.9MB

      • memory/2664-20-0x0000000074250000-0x000000007493E000-memory.dmp

        Filesize

        6.9MB

      • memory/2664-21-0x0000000004E00000-0x0000000004E40000-memory.dmp

        Filesize

        256KB