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Analysis

  • max time kernel
    126s
  • max time network
    127s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06/10/2024, 05:21

General

  • Target

    2024-10-06_02a06a37be7cd0815178bcbe49593c0c_cryptolocker.exe

  • Size

    37KB

  • MD5

    02a06a37be7cd0815178bcbe49593c0c

  • SHA1

    9881a1d6990205aa7526c8ce96bbe9b00a380023

  • SHA256

    b786e878dcf1a75aac216d8780870f772da178fd622d65bd2125e4a17612979f

  • SHA512

    4ddbde0d9cc344dad6ca8574a5904268ecfa87eb3671739a4a8ae527b7dd25f02d4764272cadce4a5e7e3aae82804834f09da2555dd67297025899e1f9dd565b

  • SSDEEP

    768:TS5nQJ24LR7tOOtEvwDpjGqPhqlcnvCSXMjOh:m5nkFNMOtEvwDpjG8hxMjOh

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\2024-10-06_02a06a37be7cd0815178bcbe49593c0c_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-10-06_02a06a37be7cd0815178bcbe49593c0c_cryptolocker.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2060
    • 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:808
  • 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=4408,i,10597648459838880772,16562651767759956329,262144 --variations-seed-version --mojo-platform-channel-handle=4396 /prefetch:8
    1⤵
      PID:1760

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

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

      Filesize

      37KB

      MD5

      ef8ded06b7a82a74118d5f2630d8360c

      SHA1

      df2412581dafac8d4be7e07f74c3f0c212624f92

      SHA256

      ae810d519e63fdcf26aa4b033ecfb5002adb882bd14facf39b680397f76dc50a

      SHA512

      3b97fb67e5e87b639a95d96416e47a14bd27d9a560ffdfb8a63ee994357e2288415bcc9c4b62cb6320e8b836a1850f7219fe1118afb524f9317e8374d5ef734c

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

      Filesize

      315B

      MD5

      a34ac19f4afae63adc5d2f7bc970c07f

      SHA1

      a82190fc530c265aa40a045c21770d967f4767b8

      SHA256

      d5a89e26beae0bc03ad18a0b0d1d3d75f87c32047879d25da11970cb5c4662a3

      SHA512

      42e53d96e5961e95b7a984d9c9778a1d3bd8ee0c87b8b3b515fa31f67c2d073c8565afc2f4b962c43668c4efa1e478da9bb0ecffa79479c7e880731bc4c55765

    • memory/808-20-0x0000000000760000-0x0000000000766000-memory.dmp

      Filesize

      24KB

    • memory/808-19-0x0000000000740000-0x0000000000746000-memory.dmp

      Filesize

      24KB

    • memory/808-48-0x0000000000500000-0x000000000050E000-memory.dmp

      Filesize

      56KB

    • memory/2060-0-0x0000000000500000-0x000000000050E000-memory.dmp

      Filesize

      56KB

    • memory/2060-1-0x0000000000660000-0x0000000000666000-memory.dmp

      Filesize

      24KB

    • memory/2060-2-0x0000000000660000-0x0000000000666000-memory.dmp

      Filesize

      24KB

    • memory/2060-3-0x0000000000810000-0x0000000000816000-memory.dmp

      Filesize

      24KB

    • memory/2060-17-0x0000000000500000-0x000000000050E000-memory.dmp

      Filesize

      56KB