Analysis

  • max time kernel
    150s
  • 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
    02-10-2024 01:31

General

  • Target

    2024-10-02_e2e92f128f21a5fdee48acf580831991_cryptolocker.exe

  • Size

    45KB

  • MD5

    e2e92f128f21a5fdee48acf580831991

  • SHA1

    6488e59666fd745d93d9e1e41e1ea6e227284d8c

  • SHA256

    78cfc60bb5a66d6b25ca944d46d39b330f739e6701b08d6840ce758470daf211

  • SHA512

    de671a2faf350e4ac68f197634ef10ed70e7cd19f5de56dab6a5af59171e4cfa52a56ce7b1914f11a125b3c94371316a3e343faf2962dd85715c4f3ee60f0d40

  • SSDEEP

    384:bm74uGLLQRcsdeQ72ngEr4K7YmE8jb0nrlwfjDUk3b+NY:bm74zYcgT/EkM0ryfjd3WY

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\2024-10-02_e2e92f128f21a5fdee48acf580831991_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-10-02_e2e92f128f21a5fdee48acf580831991_cryptolocker.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3036
    • C:\Users\Admin\AppData\Local\Temp\hasfj.exe
      "C:\Users\Admin\AppData\Local\Temp\hasfj.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:1196

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    46KB

    MD5

    7ac18e95ab9613b9e6c8569510b5fcd7

    SHA1

    765b194d6045653f5584ee991bd833195e849c08

    SHA256

    f9454e461333ad0d173abb37bfe111d0a299d62f7de49a66e31fa4c7ce438a50

    SHA512

    1fbbd88f3649b6f6c2e0fe35a556896c90adf565e43aad6fbd9ce1acd0cb164a83eaf9bd26203582468466975407d9db03214646ce58128a2b42db91c912de06

  • memory/1196-19-0x00000000023C0000-0x00000000023C6000-memory.dmp

    Filesize

    24KB

  • memory/1196-25-0x0000000002200000-0x0000000002206000-memory.dmp

    Filesize

    24KB

  • memory/1196-26-0x0000000008000000-0x000000000800D000-memory.dmp

    Filesize

    52KB

  • memory/3036-0-0x0000000008000000-0x000000000800D000-memory.dmp

    Filesize

    52KB

  • memory/3036-1-0x0000000002EA0000-0x0000000002EA6000-memory.dmp

    Filesize

    24KB

  • memory/3036-2-0x0000000002EA0000-0x0000000002EA6000-memory.dmp

    Filesize

    24KB

  • memory/3036-3-0x0000000003150000-0x0000000003156000-memory.dmp

    Filesize

    24KB

  • memory/3036-17-0x0000000008000000-0x000000000800D000-memory.dmp

    Filesize

    52KB