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Analysis

  • max time kernel
    141s
  • max time network
    162s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29/03/2024, 02:33

General

  • Target

    90220ecffcb33c5a4cdeec36a0cd2cee.exe

  • Size

    74KB

  • MD5

    90220ecffcb33c5a4cdeec36a0cd2cee

  • SHA1

    c76426fb79ba6028993783985cdf527ac8c488d4

  • SHA256

    7d42fd872c9ac7f5681c1181c7f46296dfd65856a34adf85b36f4ba3a3851e58

  • SHA512

    df7197dcdd6b368511db491cf12cb67751bcc309a266bf31401aaf94464441a3b28417bd8830a7527c84c0377a96d50e294d496ce2f93d020e2514105c1f1312

  • SSDEEP

    768:xQz7yVEhs9+4uR1bytOOtEvwDpjWfbZ7uyA36S7MpxRXrZSUP2:xj+VGMOtEvwDpjubwQEI8UP2

Score
7/10

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 2 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies system certificate store 2 TTPs 8 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\90220ecffcb33c5a4cdeec36a0cd2cee.exe
    "C:\Users\Admin\AppData\Local\Temp\90220ecffcb33c5a4cdeec36a0cd2cee.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:3568
    • C:\Users\Admin\AppData\Local\Temp\misid.exe
      "C:\Users\Admin\AppData\Local\Temp\misid.exe"
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • Modifies system certificate store
      PID:4676
  • 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 --no-appcompat-clear --mojo-platform-channel-handle=3716 --field-trial-handle=2280,i,1836084024518340990,18250262151825427757,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:1660

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\misid.exe

      Filesize

      74KB

      MD5

      46336388c4ed4aaaf6f64dd2d80010ec

      SHA1

      c4d2a0480bd6178f3b7743fb461cacc83c911787

      SHA256

      3e4cb04b59cba2ebe0ccab88b18bbaa6b35fb67cbf4844cbc0541afaf7d3252c

      SHA512

      c86425dd0bf270626040dae9ff74656be73a288322fdff524f55590e9f957848afa320a01be5a644f940d4a1b8188536054937c491d18d747c814881968a2ce3

    • C:\Users\Admin\AppData\Local\Temp\misids.exe

      Filesize

      315B

      MD5

      a34ac19f4afae63adc5d2f7bc970c07f

      SHA1

      a82190fc530c265aa40a045c21770d967f4767b8

      SHA256

      d5a89e26beae0bc03ad18a0b0d1d3d75f87c32047879d25da11970cb5c4662a3

      SHA512

      42e53d96e5961e95b7a984d9c9778a1d3bd8ee0c87b8b3b515fa31f67c2d073c8565afc2f4b962c43668c4efa1e478da9bb0ecffa79479c7e880731bc4c55765

    • memory/3568-0-0x0000000000500000-0x0000000000510000-memory.dmp

      Filesize

      64KB

    • memory/3568-1-0x0000000002050000-0x0000000002056000-memory.dmp

      Filesize

      24KB

    • memory/3568-2-0x0000000002050000-0x0000000002056000-memory.dmp

      Filesize

      24KB

    • memory/3568-3-0x0000000002070000-0x0000000002076000-memory.dmp

      Filesize

      24KB

    • memory/3568-26-0x0000000000500000-0x0000000000510000-memory.dmp

      Filesize

      64KB

    • memory/4676-18-0x0000000000500000-0x0000000000510000-memory.dmp

      Filesize

      64KB

    • memory/4676-20-0x00000000004F0000-0x00000000004F6000-memory.dmp

      Filesize

      24KB

    • memory/4676-19-0x00000000004D0000-0x00000000004D6000-memory.dmp

      Filesize

      24KB

    • memory/4676-49-0x0000000000500000-0x0000000000510000-memory.dmp

      Filesize

      64KB