Analysis

  • max time kernel
    150s
  • max time network
    144s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    12/11/2024, 12:12

General

  • Target

    b13ca74b39894bd5dca71ae6f9156181a9b4761cf192cdc030a204c1f928ecd9.exe

  • Size

    237KB

  • MD5

    41559eb9e557f034fb2d450d931386ae

  • SHA1

    cebd1dec688dd47095235721941ba1ea4e293bbe

  • SHA256

    b13ca74b39894bd5dca71ae6f9156181a9b4761cf192cdc030a204c1f928ecd9

  • SHA512

    6cf7f8e109997f740b922c704f9484636e570e50cd82d41e60e4f7fe407eec6b4c0cd606388ff0a2e8f2c8b210d86e8337e501c57fee2e95437b6a361ff75f7a

  • SSDEEP

    6144:HD8okEvTyoZVOgd2QZiw5NLclL5orfQHF:jsjCF2QZiOU+4F

Score
10/10

Malware Config

Signatures

  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Modifies WinLogon 2 TTPs 2 IoCs
  • Drops file in Windows directory 2 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b13ca74b39894bd5dca71ae6f9156181a9b4761cf192cdc030a204c1f928ecd9.exe
    "C:\Users\Admin\AppData\Local\Temp\b13ca74b39894bd5dca71ae6f9156181a9b4761cf192cdc030a204c1f928ecd9.exe"
    1⤵
    • Loads dropped DLL
    • Modifies WinLogon
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: RenamesItself
    • Suspicious use of WriteProcessMemory
    PID:2420
    • C:\Windows\apppatch\svchost.exe
      "C:\Windows\apppatch\svchost.exe"
      2⤵
      • Modifies WinLogon for persistence
      • Executes dropped EXE
      • Modifies WinLogon
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      PID:1776

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\Windows\apppatch\svchost.exe

          Filesize

          237KB

          MD5

          03cb42f3a620bee5e6d0f666c450bf8a

          SHA1

          7aa1ea7bed816c8786c883ba303db3f10d80220f

          SHA256

          7c2c5cd99a2d7b4ba91df02b399aaffd18d6a9b6de32959671c826b2f8a92117

          SHA512

          9587df8c59f9041e2cda4808de6988a361b4ea76f74a0c06c97c72a1147ea38bbc7b2ebef7d70e5003e435574039502f25d6712c3b889cb05ce0a5229b8a1736

        • memory/1776-78-0x0000000003DD0000-0x0000000003DD1000-memory.dmp

          Filesize

          4KB

        • memory/1776-74-0x0000000003DB0000-0x0000000003DB1000-memory.dmp

          Filesize

          4KB

        • memory/1776-32-0x00000000028D0000-0x000000000296B000-memory.dmp

          Filesize

          620KB

        • memory/1776-31-0x0000000000400000-0x0000000000467000-memory.dmp

          Filesize

          412KB

        • memory/1776-30-0x00000000025C0000-0x000000000264C000-memory.dmp

          Filesize

          560KB

        • memory/1776-28-0x00000000025C0000-0x000000000264C000-memory.dmp

          Filesize

          560KB

        • memory/1776-26-0x00000000025C0000-0x000000000264C000-memory.dmp

          Filesize

          560KB

        • memory/1776-24-0x00000000025C0000-0x000000000264C000-memory.dmp

          Filesize

          560KB

        • memory/1776-20-0x00000000025C0000-0x000000000264C000-memory.dmp

          Filesize

          560KB

        • memory/1776-22-0x00000000025C0000-0x000000000264C000-memory.dmp

          Filesize

          560KB

        • memory/1776-19-0x0000000000400000-0x0000000000467000-memory.dmp

          Filesize

          412KB

        • memory/1776-18-0x0000000000400000-0x0000000000467000-memory.dmp

          Filesize

          412KB

        • memory/1776-40-0x0000000002B30000-0x0000000002B31000-memory.dmp

          Filesize

          4KB

        • memory/1776-42-0x00000000032C0000-0x00000000032C1000-memory.dmp

          Filesize

          4KB

        • memory/1776-43-0x00000000032C0000-0x00000000032C1000-memory.dmp

          Filesize

          4KB

        • memory/1776-44-0x0000000002B30000-0x0000000002B31000-memory.dmp

          Filesize

          4KB

        • memory/1776-82-0x0000000003DF0000-0x0000000003DF1000-memory.dmp

          Filesize

          4KB

        • memory/1776-81-0x0000000003DE0000-0x0000000003DE1000-memory.dmp

          Filesize

          4KB

        • memory/1776-79-0x0000000003DC0000-0x0000000003DC1000-memory.dmp

          Filesize

          4KB

        • memory/1776-36-0x00000000028D0000-0x000000000296B000-memory.dmp

          Filesize

          620KB

        • memory/1776-34-0x00000000028D0000-0x000000000296B000-memory.dmp

          Filesize

          620KB

        • memory/1776-72-0x0000000003D90000-0x0000000003D91000-memory.dmp

          Filesize

          4KB

        • memory/1776-75-0x0000000003DC0000-0x0000000003DC1000-memory.dmp

          Filesize

          4KB

        • memory/1776-71-0x0000000003DA0000-0x0000000003DA1000-memory.dmp

          Filesize

          4KB

        • memory/1776-68-0x0000000003D90000-0x0000000003D91000-memory.dmp

          Filesize

          4KB

        • memory/1776-67-0x0000000003D80000-0x0000000003D81000-memory.dmp

          Filesize

          4KB

        • memory/1776-65-0x0000000003D60000-0x0000000003D61000-memory.dmp

          Filesize

          4KB

        • memory/1776-64-0x0000000003D70000-0x0000000003D71000-memory.dmp

          Filesize

          4KB

        • memory/1776-60-0x0000000003D50000-0x0000000003D51000-memory.dmp

          Filesize

          4KB

        • memory/1776-58-0x0000000003730000-0x0000000003731000-memory.dmp

          Filesize

          4KB

        • memory/1776-57-0x0000000003740000-0x0000000003741000-memory.dmp

          Filesize

          4KB

        • memory/1776-54-0x0000000003730000-0x0000000003731000-memory.dmp

          Filesize

          4KB

        • memory/1776-53-0x0000000003720000-0x0000000003721000-memory.dmp

          Filesize

          4KB

        • memory/1776-51-0x0000000003420000-0x0000000003421000-memory.dmp

          Filesize

          4KB

        • memory/1776-50-0x0000000003430000-0x0000000003431000-memory.dmp

          Filesize

          4KB

        • memory/1776-47-0x0000000003420000-0x0000000003421000-memory.dmp

          Filesize

          4KB

        • memory/1776-46-0x00000000032D0000-0x00000000032D1000-memory.dmp

          Filesize

          4KB

        • memory/2420-0-0x00000000002A0000-0x0000000000305000-memory.dmp

          Filesize

          404KB

        • memory/2420-1-0x0000000000400000-0x0000000000467000-memory.dmp

          Filesize

          412KB

        • memory/2420-16-0x00000000002A0000-0x0000000000305000-memory.dmp

          Filesize

          404KB

        • memory/2420-17-0x0000000000400000-0x0000000000467000-memory.dmp

          Filesize

          412KB