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Analysis

  • max time kernel
    103s
  • max time network
    108s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11/07/2024, 11:00

General

  • Target

    MalwareBazaar.exe

  • Size

    1.0MB

  • MD5

    f5bac2ef87aec0f350664e196e8a9419

  • SHA1

    afd8029edd667d1ddfbf187a087f13e036f7fa85

  • SHA256

    5336ea09a652db0033ba0afe10a112e07e92ec31b9083b3bb0589c0bbcb6042f

  • SHA512

    7caf8d892c33fb046d17691e549bf1a8ee93c322933a901d92d2eeba813336c94bdb647201ee5ef32f9f1be72db197bb43edbc50155215a6b849e7784f086201

  • SSDEEP

    24576:jAHnh+eWsN3skA4RV1Hom2KXMmHagKTB3KtpQ5:uh+ZkldoPK8Yagc30c

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 3 IoCs

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

  • Suspicious use of SetThreadContext 1 IoCs
  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: MapViewOfSection 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SendNotifyMessage 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe
    "C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:3740
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2956
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3740 -s 676
      2⤵
      • Program crash
      PID:3156
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3740 -ip 3740
    1⤵
      PID:400

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/2956-11-0x0000000000500000-0x0000000000542000-memory.dmp

      Filesize

      264KB

    • memory/2956-12-0x0000000073FAE000-0x0000000073FAF000-memory.dmp

      Filesize

      4KB

    • memory/2956-13-0x00000000050A0000-0x0000000005644000-memory.dmp

      Filesize

      5.6MB

    • memory/2956-14-0x0000000004CC0000-0x0000000004D26000-memory.dmp

      Filesize

      408KB

    • memory/2956-15-0x0000000073FA0000-0x0000000074750000-memory.dmp

      Filesize

      7.7MB

    • memory/2956-16-0x0000000006100000-0x0000000006150000-memory.dmp

      Filesize

      320KB

    • memory/2956-17-0x00000000061F0000-0x0000000006282000-memory.dmp

      Filesize

      584KB

    • memory/2956-18-0x0000000006180000-0x000000000618A000-memory.dmp

      Filesize

      40KB

    • memory/2956-19-0x0000000073FAE000-0x0000000073FAF000-memory.dmp

      Filesize

      4KB

    • memory/2956-20-0x0000000073FA0000-0x0000000074750000-memory.dmp

      Filesize

      7.7MB

    • memory/3740-10-0x00000000027D0000-0x00000000027D4000-memory.dmp

      Filesize

      16KB