Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06/09/2024, 02:41

General

  • Target

    2024-09-06_8780fc6cea8986eacb5445cd1d604a43_cryptolocker.exe

  • Size

    45KB

  • MD5

    8780fc6cea8986eacb5445cd1d604a43

  • SHA1

    38bd559d145e842506ad4166d770d1499dbc7de3

  • SHA256

    ba0ee2f998d5ba334991b3f75ddae335a265154e59c1357baf0471e9d31088c5

  • SHA512

    6c574ade3fa23fd0778dfb72434ac99d5acb60f0691221483ecea0c2ed2a35037bc51483cae893a4646b6adef17dc80054c30c7f99a46ab94e8dbe456aa09f31

  • SSDEEP

    768:P6LsoEEeegiZPvEhHS5+Mh/QtOOtEvwDpjBpaD3TUogs/VXpAP+4R:P6QFElP6k+MRQMOtEvwDpjBQpVX+R

Score
7/10

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 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.

  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-09-06_8780fc6cea8986eacb5445cd1d604a43_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-09-06_8780fc6cea8986eacb5445cd1d604a43_cryptolocker.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:960
    • C:\Users\Admin\AppData\Local\Temp\asih.exe
      "C:\Users\Admin\AppData\Local\Temp\asih.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:972

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    45KB

    MD5

    691472fbf79014a4ddf97229aa01777e

    SHA1

    2862ddfc980dfba3ab69533cd552ad9dd34959d4

    SHA256

    c194b9517ee1684f4520690546c327e9ca693db227102e0e39306256559c8a13

    SHA512

    9a715540c71539ee7b8e4128b04d2df68de17169a1226c3550fb6cf8c4dc94f959cfffffea8c3c533dad18f93f8bfbe145e50ba48cc3353fb034e1b3a135d4ec

  • memory/960-0-0x0000000000500000-0x000000000050B000-memory.dmp

    Filesize

    44KB

  • memory/960-1-0x0000000000650000-0x0000000000656000-memory.dmp

    Filesize

    24KB

  • memory/960-2-0x0000000000650000-0x0000000000656000-memory.dmp

    Filesize

    24KB

  • memory/960-3-0x0000000000670000-0x0000000000676000-memory.dmp

    Filesize

    24KB

  • memory/960-17-0x0000000000500000-0x000000000050B000-memory.dmp

    Filesize

    44KB

  • memory/972-19-0x0000000002130000-0x0000000002136000-memory.dmp

    Filesize

    24KB

  • memory/972-20-0x0000000002050000-0x0000000002056000-memory.dmp

    Filesize

    24KB

  • memory/972-26-0x0000000000500000-0x000000000050B000-memory.dmp

    Filesize

    44KB