Analysis

  • max time kernel
    103s
  • max time network
    112s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250314-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250314-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21/03/2025, 08:01

General

  • Target

    2025-03-21_92d2e88b19ca076df70628014bcdfce4_cryptolocker.exe

  • Size

    74KB

  • MD5

    92d2e88b19ca076df70628014bcdfce4

  • SHA1

    1d6cf1507f626533b7a3511b63b1d4585f6cd399

  • SHA256

    fa26f1fdb90cd95e84526b2cdce23b4ae74f04a18e6a6806713a66b7a9ff3fee

  • SHA512

    7e0762c4e4ab218e5096b747853c3008575be10b831101ea1397ee5e5321bf5209895b6df067e1d462f2809b2f6c2f3b8f3cd931908358fdcc50ef4efc4c63e0

  • SSDEEP

    768:vQz7yVEhs9+js1SQtOOtEvwDpjz9+4ZPsED3VK2+ZtyOjgO4r9vFAg2rq2g1B/Re:vj+jsMQMOtEvwDpj5HZYTjipvF24G

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\2025-03-21_92d2e88b19ca076df70628014bcdfce4_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2025-03-21_92d2e88b19ca076df70628014bcdfce4_cryptolocker.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4380
    • 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:4516

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    74KB

    MD5

    b4e8cfaf9aa4680c295a0e6a61c2a61d

    SHA1

    c3f4b4cd3de3ff10b345398bfa7fb5321d1d58f4

    SHA256

    ec6900fa5bedf87f5b7491f964f48121a2b381bfb8eb7a877c59328bede397e2

    SHA512

    adf9385b8095e86d3c2373927c5d417ab1be2db9451828e221404693bf7118b81c56aedc9ac1d8c08f31e23884c2096165ec2a5b7bdf0093d6040f88c24048c7

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

    Filesize

    315B

    MD5

    a34ac19f4afae63adc5d2f7bc970c07f

    SHA1

    a82190fc530c265aa40a045c21770d967f4767b8

    SHA256

    d5a89e26beae0bc03ad18a0b0d1d3d75f87c32047879d25da11970cb5c4662a3

    SHA512

    42e53d96e5961e95b7a984d9c9778a1d3bd8ee0c87b8b3b515fa31f67c2d073c8565afc2f4b962c43668c4efa1e478da9bb0ecffa79479c7e880731bc4c55765

  • memory/4380-0-0x00000000006A0000-0x00000000006A6000-memory.dmp

    Filesize

    24KB

  • memory/4380-1-0x00000000006A0000-0x00000000006A6000-memory.dmp

    Filesize

    24KB

  • memory/4380-2-0x0000000000860000-0x0000000000866000-memory.dmp

    Filesize

    24KB

  • memory/4516-18-0x00000000004F0000-0x00000000004F6000-memory.dmp

    Filesize

    24KB

  • memory/4516-17-0x00000000004D0000-0x00000000004D6000-memory.dmp

    Filesize

    24KB