Analysis

  • max time kernel
    148s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    31-10-2024 08:25

General

  • Target

    2024-10-31_5d1028c61787328db16c8f7ad3ca38b4_cryptolocker.exe

  • Size

    45KB

  • MD5

    5d1028c61787328db16c8f7ad3ca38b4

  • SHA1

    cc12066a150c0ebb1fecacf4e9c8946b4ed551b9

  • SHA256

    6cc35b020a3389217b33100b41b03c1bba956824b4cf26ba4e505c739cc89d32

  • SHA512

    f725ac1e76d0778224547c3c27fcf53cec1583d5a9a9984fc1d53decf2e608b3ceae29e798ce467274b362b773e693a81bede4538e40cf8aab09741a9935cd07

  • SSDEEP

    768:P6LsoEEeegiZPvEhHS5+Mh/QtOOtEvwDpjBpaD3TUogs/VXpAPP:P6QFElP6k+MRQMOtEvwDpjBQpVXi

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\2024-10-31_5d1028c61787328db16c8f7ad3ca38b4_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-10-31_5d1028c61787328db16c8f7ad3ca38b4_cryptolocker.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4148
    • 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:628

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    46KB

    MD5

    cae2c26fd73d29c0f09edf52ff004042

    SHA1

    c8e5335fcc076973469a61bcf32433a7e18e8119

    SHA256

    e503a9eff8b4e97edc849bedd142b865e14cb766b1eb22f454a5486e3e7bb38a

    SHA512

    b17b6a0fb281f7040bbb6340be1870031091be754993b8517c7d5edce0dcbf0eeaf0f061cfb180d868ced0a073d2e508d7ae7c3bd2f425ebff2670a042e5f97b

  • memory/628-25-0x0000000000500000-0x000000000050B000-memory.dmp

    Filesize

    44KB

  • memory/4148-0-0x0000000000500000-0x000000000050B000-memory.dmp

    Filesize

    44KB

  • memory/4148-1-0x00000000005A0000-0x00000000005A6000-memory.dmp

    Filesize

    24KB

  • memory/4148-2-0x00000000005A0000-0x00000000005A6000-memory.dmp

    Filesize

    24KB

  • memory/4148-3-0x00000000005C0000-0x00000000005C6000-memory.dmp

    Filesize

    24KB

  • memory/4148-17-0x0000000000500000-0x000000000050B000-memory.dmp

    Filesize

    44KB