Analysis

  • max time kernel
    135s
  • max time network
    139s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13-09-2024 09:42

General

  • Target

    2024-09-13_6e5678d25de60a6f71153d190f015a88_cryptolocker.exe

  • Size

    51KB

  • MD5

    6e5678d25de60a6f71153d190f015a88

  • SHA1

    03ff18070e6fa6587f738d50b795450b186b710c

  • SHA256

    9b1861400ad1de3effc2bd12659bae8df2936bb6fa22823525394c40521cd6ef

  • SHA512

    ae97596eef9d571f762f85a8394cf65093cf5d676251ad086192e8e3ec63e28b22672d7e88d7e8a1d0694c93aa87ba98e9bae52041dd6129622e1e48063b740e

  • SSDEEP

    768:vQz7yVEhs9+js1SQtOOtEvwDpjz9+4/Uth8igNrr42A7n0FmB0nQ:vj+jsMQMOtEvwDpj5HczerLO04BL

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 8 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-09-13_6e5678d25de60a6f71153d190f015a88_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-09-13_6e5678d25de60a6f71153d190f015a88_cryptolocker.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4900
    • 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:1768
  • 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=4616,i,15336851255456239337,16379811035920490645,262144 --variations-seed-version --mojo-platform-channel-handle=1008 /prefetch:8
    1⤵
      PID:5084

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

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

      Filesize

      51KB

      MD5

      46adb954035b6078392b52e6792d4aee

      SHA1

      594522088b616ac9c237de59aaa3aa0597e607b8

      SHA256

      6c6718a444752d1ce4be705b2aa2ec1e38e33bcc8b929dbb80384dfaf5842b5c

      SHA512

      4895b773fe6656553899eb28be9eefad35e7940b3d6d094930b5d3412090a372ff3e20b316c61400a862caeaf78a551bfab72815bc9ea1a19521de96403586bd

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

      Filesize

      315B

      MD5

      a34ac19f4afae63adc5d2f7bc970c07f

      SHA1

      a82190fc530c265aa40a045c21770d967f4767b8

      SHA256

      d5a89e26beae0bc03ad18a0b0d1d3d75f87c32047879d25da11970cb5c4662a3

      SHA512

      42e53d96e5961e95b7a984d9c9778a1d3bd8ee0c87b8b3b515fa31f67c2d073c8565afc2f4b962c43668c4efa1e478da9bb0ecffa79479c7e880731bc4c55765

    • memory/1768-17-0x00000000004F0000-0x00000000004F6000-memory.dmp

      Filesize

      24KB

    • memory/1768-23-0x00000000004D0000-0x00000000004D6000-memory.dmp

      Filesize

      24KB

    • memory/4900-0-0x00000000004E0000-0x00000000004E6000-memory.dmp

      Filesize

      24KB

    • memory/4900-1-0x00000000004E0000-0x00000000004E6000-memory.dmp

      Filesize

      24KB

    • memory/4900-2-0x0000000000660000-0x0000000000666000-memory.dmp

      Filesize

      24KB