Analysis

  • max time kernel
    122s
  • max time network
    126s
  • platform
    windows7_x64
  • resource
    win7-20231023-en
  • resource tags

    arch:x64arch:x86image:win7-20231023-enlocale:en-usos:windows7-x64system
  • submitted
    05-12-2023 17:18

General

  • Target

    c5e889c90e9ee1d2c1660d7b0613d4e505532bda0babb53ae6a907306d984830.exe

  • Size

    378KB

  • MD5

    f17a3bf3a98cbf96fc6709a683d1e009

  • SHA1

    4c4b3e8c96e509b8efa3c9c2a0b758b964a2d253

  • SHA256

    c5e889c90e9ee1d2c1660d7b0613d4e505532bda0babb53ae6a907306d984830

  • SHA512

    58d3b4364501d462a091f0161576783c14469d0ca4505ed482500fdcf6ad29eeac79a70f8ae350e2215adc6ec07b851c4396514e35ad48709e7b9a618a7863ff

  • SSDEEP

    6144:AhPFA97fvpCDx/2yFb+uBIpjKLHBB0gJkLnaxRCVWFZgb:AtFA97HpCDx/TFTHPzxJq

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • 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.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Looks up external IP address via web service 3 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c5e889c90e9ee1d2c1660d7b0613d4e505532bda0babb53ae6a907306d984830.exe
    "C:\Users\Admin\AppData\Local\Temp\c5e889c90e9ee1d2c1660d7b0613d4e505532bda0babb53ae6a907306d984830.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2040
    • C:\Users\Admin\AppData\Local\Temp\c5e889c90e9ee1d2c1660d7b0613d4e505532bda0babb53ae6a907306d984830.exe
      C:\Users\Admin\AppData\Local\Temp\c5e889c90e9ee1d2c1660d7b0613d4e505532bda0babb53ae6a907306d984830.exe
      2⤵
        PID:3056
      • C:\Users\Admin\AppData\Local\Temp\c5e889c90e9ee1d2c1660d7b0613d4e505532bda0babb53ae6a907306d984830.exe
        C:\Users\Admin\AppData\Local\Temp\c5e889c90e9ee1d2c1660d7b0613d4e505532bda0babb53ae6a907306d984830.exe
        2⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2548

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/2040-0-0x0000000000050000-0x00000000000B2000-memory.dmp

      Filesize

      392KB

    • memory/2040-1-0x0000000074520000-0x0000000074C0E000-memory.dmp

      Filesize

      6.9MB

    • memory/2040-2-0x00000000048A0000-0x00000000048E0000-memory.dmp

      Filesize

      256KB

    • memory/2040-3-0x0000000000880000-0x00000000008DA000-memory.dmp

      Filesize

      360KB

    • memory/2040-4-0x00000000005A0000-0x00000000005E2000-memory.dmp

      Filesize

      264KB

    • memory/2040-5-0x0000000001E80000-0x0000000001EC0000-memory.dmp

      Filesize

      256KB

    • memory/2040-6-0x0000000001FC0000-0x000000000200C000-memory.dmp

      Filesize

      304KB

    • memory/2040-20-0x0000000074520000-0x0000000074C0E000-memory.dmp

      Filesize

      6.9MB

    • memory/2548-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

      Filesize

      4KB

    • memory/2548-11-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/2548-10-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/2548-12-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/2548-15-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/2548-17-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/2548-19-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/2548-21-0x0000000074520000-0x0000000074C0E000-memory.dmp

      Filesize

      6.9MB

    • memory/2548-8-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/2548-22-0x0000000000700000-0x0000000000740000-memory.dmp

      Filesize

      256KB

    • memory/2548-23-0x0000000074520000-0x0000000074C0E000-memory.dmp

      Filesize

      6.9MB

    • memory/2548-24-0x0000000000700000-0x0000000000740000-memory.dmp

      Filesize

      256KB