Analysis

  • max time kernel
    122s
  • max time network
    127s
  • platform
    windows7_x64
  • resource
    win7-20240508-en
  • resource tags

    arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
  • submitted
    22-05-2024 17:11

General

  • Target

    Draft BL copy.exe

  • Size

    688KB

  • MD5

    c46f67d07641f91b79606a72b6e09270

  • SHA1

    bbbbec60fe589eb39e31a369eea5d0911167ea2b

  • SHA256

    d773db3acad368a5e51b2ea6f4cd5feb904c3255d3ef79cfcd07935a46400e38

  • SHA512

    517f8bfe7101444fa2ff9b9d6a625dde8193aa6d6bf9326288c5f35f697549527d7d9d5f6f7e2161871b223db0a7124c0323c347d41cefe99bad99d0915438b1

  • SSDEEP

    12288:jEAmDvY15gM3Co16QVl0QVXH3CG/ySQvBk0hRfr92bP0fb2RZoIeahAtY7iGUz2:jvb3F4oXCzlvBk0hh4boCXsahPiG

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • 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 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Draft BL copy.exe
    "C:\Users\Admin\AppData\Local\Temp\Draft BL copy.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:3052
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2936
    • C:\Windows\system32\WerFault.exe
      C:\Windows\system32\WerFault.exe -u -p 3052 -s 628
      2⤵
        PID:2680

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/2936-11-0x0000000000400000-0x0000000000440000-memory.dmp

      Filesize

      256KB

    • memory/2936-24-0x0000000073EF0000-0x00000000745DE000-memory.dmp

      Filesize

      6.9MB

    • memory/2936-14-0x0000000000400000-0x0000000000440000-memory.dmp

      Filesize

      256KB

    • memory/2936-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

      Filesize

      4KB

    • memory/2936-23-0x0000000073EFE000-0x0000000073EFF000-memory.dmp

      Filesize

      4KB

    • memory/2936-9-0x0000000000400000-0x0000000000440000-memory.dmp

      Filesize

      256KB

    • memory/2936-18-0x0000000000400000-0x0000000000440000-memory.dmp

      Filesize

      256KB

    • memory/2936-16-0x0000000000400000-0x0000000000440000-memory.dmp

      Filesize

      256KB

    • memory/2936-20-0x0000000073EF0000-0x00000000745DE000-memory.dmp

      Filesize

      6.9MB

    • memory/2936-19-0x0000000073EFE000-0x0000000073EFF000-memory.dmp

      Filesize

      4KB

    • memory/2936-5-0x0000000000400000-0x0000000000440000-memory.dmp

      Filesize

      256KB

    • memory/2936-7-0x0000000000400000-0x0000000000440000-memory.dmp

      Filesize

      256KB

    • memory/3052-0-0x000007FEF5103000-0x000007FEF5104000-memory.dmp

      Filesize

      4KB

    • memory/3052-1-0x00000000003C0000-0x00000000003E0000-memory.dmp

      Filesize

      128KB

    • memory/3052-2-0x000007FEF5100000-0x000007FEF5AEC000-memory.dmp

      Filesize

      9.9MB

    • memory/3052-21-0x000007FEF5103000-0x000007FEF5104000-memory.dmp

      Filesize

      4KB

    • memory/3052-22-0x000007FEF5100000-0x000007FEF5AEC000-memory.dmp

      Filesize

      9.9MB

    • memory/3052-4-0x0000000001E60000-0x0000000001EF4000-memory.dmp

      Filesize

      592KB

    • memory/3052-3-0x00000000003B0000-0x00000000003B6000-memory.dmp

      Filesize

      24KB