Windows 7 deprecation

Windows 7 will be removed from tria.ge on 2025-03-31

Analysis

  • max time kernel
    125s
  • max time network
    131s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10/05/2024, 03:52

General

  • Target

    2024-05-10_73a09958b00d0bd0bc94e0afd556f99a_cryptolocker.exe

  • Size

    81KB

  • MD5

    73a09958b00d0bd0bc94e0afd556f99a

  • SHA1

    432b3525c7231ec3127d512d5a2a71198bbbda79

  • SHA256

    0b717392aed9de2dab2c1298137c396c81bbe9f3dc1c444683a8e40422be40c5

  • SHA512

    a83ce68de2c15f6d762086e8402c5ac65b07ff59812ce382b52d7e1fae338204ed324f310b8eeec281cdc1a0e3513ca556c479456adb16954e8e2f47317d4541

  • SSDEEP

    1536:Tj+jsMQMOtEvwDpj5HmpJpOUHECgNMo0vp2EMMr3i:TCjsIOtEvwDpj5HE/OUHnSMc

Score
9/10

Malware Config

Signatures

  • Detection of CryptoLocker Variants 5 IoCs
  • Detection of Cryptolocker Samples 5 IoCs
  • 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\2024-05-10_73a09958b00d0bd0bc94e0afd556f99a_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-05-10_73a09958b00d0bd0bc94e0afd556f99a_cryptolocker.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:2480
    • 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:628
  • 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 --field-trial-handle=4040,i,5711962389779687290,1245653010537220991,262144 --variations-seed-version --mojo-platform-channel-handle=4080 /prefetch:8
    1⤵
      PID:608

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

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

      Filesize

      82KB

      MD5

      8e1d4e2a95f70af38bb65115ab3ec669

      SHA1

      2e51efb93af4e3ce29699de3ed1f638756939626

      SHA256

      5b6825ff27ce9b53644549dbed988fc72a8a057e33dabea7882aa08ca9c9f14d

      SHA512

      be41d2cfdd0b7487d2d146405f3b4bce745074cefedeeab06aaf950d1afb9b03c218f19398b33eaf1f9bc2ac4c0895b0a0bfc13d9e1394aa8ddc0d55cf786398

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

      Filesize

      315B

      MD5

      a34ac19f4afae63adc5d2f7bc970c07f

      SHA1

      a82190fc530c265aa40a045c21770d967f4767b8

      SHA256

      d5a89e26beae0bc03ad18a0b0d1d3d75f87c32047879d25da11970cb5c4662a3

      SHA512

      42e53d96e5961e95b7a984d9c9778a1d3bd8ee0c87b8b3b515fa31f67c2d073c8565afc2f4b962c43668c4efa1e478da9bb0ecffa79479c7e880731bc4c55765

    • memory/628-18-0x0000000000500000-0x000000000050E000-memory.dmp

      Filesize

      56KB

    • memory/628-48-0x0000000000500000-0x000000000050E000-memory.dmp

      Filesize

      56KB

    • memory/2480-0-0x0000000000500000-0x000000000050E000-memory.dmp

      Filesize

      56KB

    • memory/2480-1-0x00000000004E0000-0x00000000004E6000-memory.dmp

      Filesize

      24KB

    • memory/2480-2-0x0000000000660000-0x0000000000666000-memory.dmp

      Filesize

      24KB

    • memory/2480-9-0x00000000004E0000-0x00000000004E6000-memory.dmp

      Filesize

      24KB

    • memory/2480-17-0x0000000000500000-0x000000000050E000-memory.dmp

      Filesize

      56KB