Analysis

  • max time kernel
    16s
  • max time network
    107s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    13-09-2024 07:20

General

  • Target

    YMLUI275163148 - BL.exe

  • Size

    1.1MB

  • MD5

    efeb57a449ccc8158f1c4ae374b62959

  • SHA1

    d097f10d18f72a86ad3406311163606d5668b520

  • SHA256

    79951afadbd96fb9b16f3d4fe5564e83cca60628082262752d243f0c30d145e2

  • SHA512

    060341f86969d0bf7461925f9d937b780b480ab784daadafa9788b4d75d57ac44bee990ed282b3bac66cbeb4663f4c09619138186553c3704d625f2f3634d7c9

  • SSDEEP

    24576:U4lavt0LkLL9IMixoEgeaVrgVTlY03AroJUEGq9MmCS:jkwkn9IMHeaV8TmzroYaPCS

Malware Config

Signatures

  • AgentTesla

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

  • Credentials from Password Stores: Credentials from Web Browsers 1 TTPs

    Malicious Access or copy of Web Browser Credential store.

  • 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
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: MapViewOfSection 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 6 IoCs
  • Suspicious use of SendNotifyMessage 6 IoCs
  • Suspicious use of WriteProcessMemory 30 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\YMLUI275163148 - BL.exe
    "C:\Users\Admin\AppData\Local\Temp\YMLUI275163148 - BL.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:1920
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "C:\Users\Admin\AppData\Local\Temp\YMLUI275163148 - BL.exe"
      2⤵
        PID:2276
      • C:\Users\Admin\AppData\Local\Temp\YMLUI275163148 - BL.exe
        "C:\Users\Admin\AppData\Local\Temp\YMLUI275163148 - BL.exe"
        2⤵
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        • Suspicious use of WriteProcessMemory
        PID:2252
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
          "C:\Users\Admin\AppData\Local\Temp\YMLUI275163148 - BL.exe"
          3⤵
            PID:2800
          • C:\Users\Admin\AppData\Local\Temp\YMLUI275163148 - BL.exe
            "C:\Users\Admin\AppData\Local\Temp\YMLUI275163148 - BL.exe"
            3⤵
            • Suspicious use of SetThreadContext
            • System Location Discovery: System Language Discovery
            • Suspicious behavior: MapViewOfSection
            • Suspicious use of FindShellTrayWindow
            • Suspicious use of SendNotifyMessage
            • Suspicious use of WriteProcessMemory
            PID:2788
            • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
              "C:\Users\Admin\AppData\Local\Temp\YMLUI275163148 - BL.exe"
              4⤵
              • System Location Discovery: System Language Discovery
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of AdjustPrivilegeToken
              PID:2068

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Temp\Allene

        Filesize

        261KB

        MD5

        52cfd559adfd0a7c32115d7e15ee6550

        SHA1

        6364122c331f07990b062ac8d2e9c585f5ee6db0

        SHA256

        9c7dc2d46a52ab7899b7ce56b108f12b57cb466ec9f18449f559e0f4f83a14c7

        SHA512

        6424cb2995dcf3833c4859fb456fce79800225fedd9f3e22b9dcecce87b6e9c9f21b693d594de1b9f98e54a1a5e026a8d772c766b1486ddf02a1f010629cc9dd

      • memory/1920-6-0x0000000000200000-0x0000000000204000-memory.dmp

        Filesize

        16KB

      • memory/2068-64-0x0000000000CC0000-0x0000000000D0D000-memory.dmp

        Filesize

        308KB

      • memory/2068-25-0x0000000000BE0000-0x0000000000C34000-memory.dmp

        Filesize

        336KB

      • memory/2068-21-0x0000000000400000-0x0000000000446000-memory.dmp

        Filesize

        280KB

      • memory/2068-62-0x0000000000CC0000-0x0000000000D0D000-memory.dmp

        Filesize

        308KB

      • memory/2068-26-0x0000000000CC0000-0x0000000000D12000-memory.dmp

        Filesize

        328KB

      • memory/2068-38-0x0000000000CC0000-0x0000000000D0D000-memory.dmp

        Filesize

        308KB

      • memory/2068-80-0x0000000000CC0000-0x0000000000D0D000-memory.dmp

        Filesize

        308KB

      • memory/2068-86-0x0000000000CC0000-0x0000000000D0D000-memory.dmp

        Filesize

        308KB

      • memory/2068-84-0x0000000000CC0000-0x0000000000D0D000-memory.dmp

        Filesize

        308KB

      • memory/2068-82-0x0000000000CC0000-0x0000000000D0D000-memory.dmp

        Filesize

        308KB

      • memory/2068-78-0x0000000000CC0000-0x0000000000D0D000-memory.dmp

        Filesize

        308KB

      • memory/2068-76-0x0000000000CC0000-0x0000000000D0D000-memory.dmp

        Filesize

        308KB

      • memory/2068-74-0x0000000000CC0000-0x0000000000D0D000-memory.dmp

        Filesize

        308KB

      • memory/2068-72-0x0000000000CC0000-0x0000000000D0D000-memory.dmp

        Filesize

        308KB

      • memory/2068-68-0x0000000000CC0000-0x0000000000D0D000-memory.dmp

        Filesize

        308KB

      • memory/2068-66-0x0000000000CC0000-0x0000000000D0D000-memory.dmp

        Filesize

        308KB

      • memory/2068-24-0x0000000000400000-0x0000000000446000-memory.dmp

        Filesize

        280KB

      • memory/2068-60-0x0000000000CC0000-0x0000000000D0D000-memory.dmp

        Filesize

        308KB

      • memory/2068-23-0x0000000000400000-0x0000000000446000-memory.dmp

        Filesize

        280KB

      • memory/2068-56-0x0000000000CC0000-0x0000000000D0D000-memory.dmp

        Filesize

        308KB

      • memory/2068-54-0x0000000000CC0000-0x0000000000D0D000-memory.dmp

        Filesize

        308KB

      • memory/2068-52-0x0000000000CC0000-0x0000000000D0D000-memory.dmp

        Filesize

        308KB

      • memory/2068-50-0x0000000000CC0000-0x0000000000D0D000-memory.dmp

        Filesize

        308KB

      • memory/2068-48-0x0000000000CC0000-0x0000000000D0D000-memory.dmp

        Filesize

        308KB

      • memory/2068-46-0x0000000000CC0000-0x0000000000D0D000-memory.dmp

        Filesize

        308KB

      • memory/2068-44-0x0000000000CC0000-0x0000000000D0D000-memory.dmp

        Filesize

        308KB

      • memory/2068-42-0x0000000000CC0000-0x0000000000D0D000-memory.dmp

        Filesize

        308KB

      • memory/2068-40-0x0000000000CC0000-0x0000000000D0D000-memory.dmp

        Filesize

        308KB

      • memory/2068-36-0x0000000000CC0000-0x0000000000D0D000-memory.dmp

        Filesize

        308KB

      • memory/2068-70-0x0000000000CC0000-0x0000000000D0D000-memory.dmp

        Filesize

        308KB

      • memory/2068-34-0x0000000000CC0000-0x0000000000D0D000-memory.dmp

        Filesize

        308KB

      • memory/2068-32-0x0000000000CC0000-0x0000000000D0D000-memory.dmp

        Filesize

        308KB

      • memory/2068-58-0x0000000000CC0000-0x0000000000D0D000-memory.dmp

        Filesize

        308KB

      • memory/2068-30-0x0000000000CC0000-0x0000000000D0D000-memory.dmp

        Filesize

        308KB

      • memory/2068-28-0x0000000000CC0000-0x0000000000D0D000-memory.dmp

        Filesize

        308KB

      • memory/2068-27-0x0000000000CC0000-0x0000000000D0D000-memory.dmp

        Filesize

        308KB