Analysis

  • max time kernel
    119s
  • max time network
    119s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02-10-2024 01:20

General

  • Target

    395c074ae01fee0331b48ab5d6c5cb0b069ab582fec2428ebed0d62d6647848eN.exe

  • Size

    45KB

  • MD5

    77105bcc6789d478439b84ddbe528910

  • SHA1

    093dfa36fd989399cb42fc6565f0569373bc4af7

  • SHA256

    395c074ae01fee0331b48ab5d6c5cb0b069ab582fec2428ebed0d62d6647848e

  • SHA512

    78b2839a6fcab270942943bd1c7686555acf061237fd680ffa4f871d9f35688a12caaa4c07b95741952caa97e71ca9074993cc5a8827188d3787d746a6afc8af

  • SSDEEP

    768:ePyFZFASe0Ep0EpHZplRpqpd6rqxn4p6vghzwYu7vih9GueIh9j2IoHAjUvJw3/8:e6q10k0EFjed6rqJ+6vghzwYu7vih9G/

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 1 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 use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\395c074ae01fee0331b48ab5d6c5cb0b069ab582fec2428ebed0d62d6647848eN.exe
    "C:\Users\Admin\AppData\Local\Temp\395c074ae01fee0331b48ab5d6c5cb0b069ab582fec2428ebed0d62d6647848eN.exe"
    1⤵
    • Adds Run key to start application
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2516
    • C:\Windows\microsofthelp.exe
      "C:\Windows\microsofthelp.exe"
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Drops file in Windows directory
      • System Location Discovery: System Language Discovery
      PID:2732
  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4460,i,4174666705242427184,7333705955694532165,262144 --variations-seed-version --mojo-platform-channel-handle=4100 /prefetch:8
    1⤵
      PID:4392

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Windows\microsofthelp.exe

      Filesize

      45KB

      MD5

      70c855d4859e688d92e277fef5edfaf7

      SHA1

      aa9627dcec80abea7290302a3cbbc538a508a44a

      SHA256

      d5da87947bcdd5551b44577fc61ad9c11cb933192eea6f016ceb9fc4369c6102

      SHA512

      cc2926f868ee819bb9afc449f28b396929be6d229cc043c84bb3eefea89e22ac854f8e622d460401a8814556081c0f90d7a4083728ac831ef4e43a045ec82c10

    • memory/2516-0-0x0000000000400000-0x000000000040E000-memory.dmp

      Filesize

      56KB

    • memory/2516-6-0x0000000000400000-0x000000000040E000-memory.dmp

      Filesize

      56KB

    • memory/2732-7-0x0000000000400000-0x000000000040E000-memory.dmp

      Filesize

      56KB

    • memory/2732-8-0x0000000000400000-0x000000000040E000-memory.dmp

      Filesize

      56KB