Analysis

  • max time kernel
    143s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230703-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25/08/2023, 01:46

General

  • Target

    f82b30f5d6ed04a459511bcda6f7070c0136cd2e303edde3b76fd5b49cb1ceff.exe

  • Size

    1005KB

  • MD5

    b8cba7ee8e426a979f81c4124c9e5a33

  • SHA1

    f133589e100f0c1636f53510c9c92fa23400db76

  • SHA256

    f82b30f5d6ed04a459511bcda6f7070c0136cd2e303edde3b76fd5b49cb1ceff

  • SHA512

    eadfa9bbfe117b1acf4646b08fa640aea0d7101212741d4a037c3df099a82ee1f87089164c0e3bf400fea523f18284d9bcb58088a2d08a6f61a95c42487da441

  • SSDEEP

    12288:d7/OSSWrZFDKx4Rkkyel01kSI5wOxkNkkbz:dqD6ZFd6i0ejwhP

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.

  • 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 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f82b30f5d6ed04a459511bcda6f7070c0136cd2e303edde3b76fd5b49cb1ceff.exe
    "C:\Users\Admin\AppData\Local\Temp\f82b30f5d6ed04a459511bcda6f7070c0136cd2e303edde3b76fd5b49cb1ceff.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:632
    • C:\Users\Admin\AppData\Local\Temp\f82b30f5d6ed04a459511bcda6f7070c0136cd2e303edde3b76fd5b49cb1ceff.exe
      "{path}"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3868

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\f82b30f5d6ed04a459511bcda6f7070c0136cd2e303edde3b76fd5b49cb1ceff.exe.log

          Filesize

          1KB

          MD5

          17573558c4e714f606f997e5157afaac

          SHA1

          13e16e9415ceef429aaf124139671ebeca09ed23

          SHA256

          c18db6aecad2436da4a63ff26af4e3a337cca48f01c21b8db494fe5ccc60e553

          SHA512

          f4edf13f05a0d142e4dd42802098c8c44988ee8869621a62c2b565a77c9a95857f636583ff8d6d9baa366603d98b9bfbf1fc75bc6f9f8f83c80cb1215b2941cc

        • memory/632-8-0x0000000074B00000-0x00000000752B0000-memory.dmp

          Filesize

          7.7MB

        • memory/632-1-0x00000000056E0000-0x000000000577C000-memory.dmp

          Filesize

          624KB

        • memory/632-3-0x0000000005D30000-0x00000000062D4000-memory.dmp

          Filesize

          5.6MB

        • memory/632-4-0x0000000005780000-0x0000000005812000-memory.dmp

          Filesize

          584KB

        • memory/632-5-0x00000000056B0000-0x00000000056C0000-memory.dmp

          Filesize

          64KB

        • memory/632-6-0x0000000005820000-0x000000000582A000-memory.dmp

          Filesize

          40KB

        • memory/632-7-0x0000000005890000-0x00000000058E6000-memory.dmp

          Filesize

          344KB

        • memory/632-0-0x0000000000BE0000-0x0000000000CE0000-memory.dmp

          Filesize

          1024KB

        • memory/632-2-0x0000000074B00000-0x00000000752B0000-memory.dmp

          Filesize

          7.7MB

        • memory/632-9-0x00000000056B0000-0x00000000056C0000-memory.dmp

          Filesize

          64KB

        • memory/632-14-0x0000000074B00000-0x00000000752B0000-memory.dmp

          Filesize

          7.7MB

        • memory/3868-13-0x0000000074B00000-0x00000000752B0000-memory.dmp

          Filesize

          7.7MB

        • memory/3868-10-0x0000000000400000-0x0000000000442000-memory.dmp

          Filesize

          264KB

        • memory/3868-15-0x0000000005640000-0x0000000005650000-memory.dmp

          Filesize

          64KB

        • memory/3868-16-0x0000000005560000-0x00000000055C6000-memory.dmp

          Filesize

          408KB

        • memory/3868-17-0x0000000006C50000-0x0000000006CA0000-memory.dmp

          Filesize

          320KB

        • memory/3868-18-0x0000000074B00000-0x00000000752B0000-memory.dmp

          Filesize

          7.7MB

        • memory/3868-19-0x0000000005640000-0x0000000005650000-memory.dmp

          Filesize

          64KB