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Analysis

  • max time kernel
    131s
  • max time network
    133s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01/10/2024, 04:09

General

  • Target

    2024-10-01_d228b6727f1eff2b7f51686adbb05635_cryptolocker.exe

  • Size

    47KB

  • MD5

    d228b6727f1eff2b7f51686adbb05635

  • SHA1

    c5fb85182fa2c912676a201c76455ef258a8126f

  • SHA256

    2308768d732c056e4b4f50f5d104a30537791f7e5bddcad53a4e88cbf6dedfc6

  • SHA512

    c896912b1c706df80ae092a9f9b19115de7479585b4536eb502349263c76c10261dd705dad97bbe51ec3a005a78345e3ccba7c022547f6810990c2285d63def9

  • SSDEEP

    768:6Qz7yVEhs9+4OR7tOOtEvwDpjLHqh6/aMDhkJly:6j+1NMOtEvwDpjrRraJk

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).

  • 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.

  • Modifies system certificate store 2 TTPs 10 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-10-01_d228b6727f1eff2b7f51686adbb05635_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-10-01_d228b6727f1eff2b7f51686adbb05635_cryptolocker.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2564
    • C:\Users\Admin\AppData\Local\Temp\misid.exe
      "C:\Users\Admin\AppData\Local\Temp\misid.exe"
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Modifies system certificate store
      PID:1988
  • 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=4076,i,12198811467968044966,17227406646827438786,262144 --variations-seed-version --mojo-platform-channel-handle=4300 /prefetch:8
    1⤵
      PID:3192

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

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

      Filesize

      47KB

      MD5

      dd6db51383ac0578f104a6e6b06d7863

      SHA1

      7a4d401c4b3e75d8b20daedd70f23e779ec922b5

      SHA256

      98d83eb0174b193f2aaf06e8d2ea624afff5156114bf80c48cf950e30d771f83

      SHA512

      6d018dbc0427ff52a2aa94702895c219c61d5dc06ba73662b15663e631b9815ff5c3eb478766f021bbe1cc3d490385456dd31c6aa8ffdd79cc625c05a74feebe

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

      Filesize

      315B

      MD5

      a34ac19f4afae63adc5d2f7bc970c07f

      SHA1

      a82190fc530c265aa40a045c21770d967f4767b8

      SHA256

      d5a89e26beae0bc03ad18a0b0d1d3d75f87c32047879d25da11970cb5c4662a3

      SHA512

      42e53d96e5961e95b7a984d9c9778a1d3bd8ee0c87b8b3b515fa31f67c2d073c8565afc2f4b962c43668c4efa1e478da9bb0ecffa79479c7e880731bc4c55765

    • memory/1988-19-0x00000000004D0000-0x00000000004D6000-memory.dmp

      Filesize

      24KB

    • memory/1988-20-0x00000000004F0000-0x00000000004F6000-memory.dmp

      Filesize

      24KB

    • memory/1988-48-0x0000000000500000-0x000000000050F000-memory.dmp

      Filesize

      60KB

    • memory/2564-0-0x0000000000500000-0x000000000050F000-memory.dmp

      Filesize

      60KB

    • memory/2564-1-0x0000000000660000-0x0000000000666000-memory.dmp

      Filesize

      24KB

    • memory/2564-2-0x0000000000660000-0x0000000000666000-memory.dmp

      Filesize

      24KB

    • memory/2564-3-0x00000000020F0000-0x00000000020F6000-memory.dmp

      Filesize

      24KB

    • memory/2564-17-0x0000000000500000-0x000000000050F000-memory.dmp

      Filesize

      60KB