Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14/10/2024, 23:26

General

  • Target

    2024-10-14_ee23834950253a12162b781d89f4a3ca_cryptolocker.exe

  • Size

    50KB

  • MD5

    ee23834950253a12162b781d89f4a3ca

  • SHA1

    cb24ed869ca34179650144382e015751d3b788f6

  • SHA256

    d25e7229a083ae2cd02a6ff2d44c0f599887c0498a9140c18da2f3cda093b528

  • SHA512

    735d61892ad7fb7c5b0b434b06f0c6b3c75fd144bcee3a91bae738669207ea498d4f6622c47153084f18b4c25f558de753c5a0097111e48a72f1721663680fb7

  • SSDEEP

    768:xQz7yVEhs9+4uR1bytOOtEvwDpjWE6BLbjG9RzhwaN4NO2Bjjtx:xj+VGMOtEvwDpjy+TN41jH

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 5 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-10-14_ee23834950253a12162b781d89f4a3ca_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-10-14_ee23834950253a12162b781d89f4a3ca_cryptolocker.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1028
    • 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:2356

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    50KB

    MD5

    b48c0ce9c37c22b076077c98f719d9b9

    SHA1

    7112064407c07288de1cbb60dcb2f94cd517b81f

    SHA256

    5c3f3da17341fd3ba834770b51c3d1493ba51de312ade104ea63e5439fb3fd62

    SHA512

    6779a49d2181bae902046b878bae4fb994e9edadf699531fbe305d65639209b2ce422885fe9a5477e8e95e9c400d9cc815d55d5d683f737beb283184fd6eacf7

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

    Filesize

    315B

    MD5

    a34ac19f4afae63adc5d2f7bc970c07f

    SHA1

    a82190fc530c265aa40a045c21770d967f4767b8

    SHA256

    d5a89e26beae0bc03ad18a0b0d1d3d75f87c32047879d25da11970cb5c4662a3

    SHA512

    42e53d96e5961e95b7a984d9c9778a1d3bd8ee0c87b8b3b515fa31f67c2d073c8565afc2f4b962c43668c4efa1e478da9bb0ecffa79479c7e880731bc4c55765

  • memory/1028-0-0x0000000000500000-0x0000000000510000-memory.dmp

    Filesize

    64KB

  • memory/1028-1-0x00000000004D0000-0x00000000004D6000-memory.dmp

    Filesize

    24KB

  • memory/1028-2-0x00000000004D0000-0x00000000004D6000-memory.dmp

    Filesize

    24KB

  • memory/1028-3-0x00000000004F0000-0x00000000004F6000-memory.dmp

    Filesize

    24KB

  • memory/1028-17-0x0000000000500000-0x0000000000510000-memory.dmp

    Filesize

    64KB

  • memory/2356-20-0x0000000000860000-0x0000000000866000-memory.dmp

    Filesize

    24KB

  • memory/2356-19-0x00000000006A0000-0x00000000006A6000-memory.dmp

    Filesize

    24KB

  • memory/2356-48-0x0000000000500000-0x0000000000510000-memory.dmp

    Filesize

    64KB