Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    12/10/2024, 03:53

General

  • Target

    2024-10-12_9f69269fd490a58348b01a2f643183ed_cryptolocker.exe

  • Size

    92KB

  • MD5

    9f69269fd490a58348b01a2f643183ed

  • SHA1

    f6bbce35ee108d86f724ce431880a56eeeb1cc66

  • SHA256

    23ea87aa549f2fb1cc9b504a5abc5a7243fe57194c84a21231c75dd3e2aed2c7

  • SHA512

    5141aaf2e6326e229327805a9e49939ee08f46f570c88d63cfc2bf6e28cdab9179f43b379de055b21ef7e932b10f152a53ab4b115f2f1239e9e8b0b72afd189d

  • SSDEEP

    1536:n6QFElP6n+g9u9cvMOtEvwDpjYYTjipvF2bx1PQAeC:n6a+1SEOtEvwDpjYYvQd2P7

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • UPX packed file 5 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • 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 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-10-12_9f69269fd490a58348b01a2f643183ed_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-10-12_9f69269fd490a58348b01a2f643183ed_cryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2268
    • 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:2944

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    92KB

    MD5

    56749bba1c708dd7809b181696fb56d2

    SHA1

    780b632d98f2c88ad14353cb1258811a61b376ef

    SHA256

    e0c8f1a8092f06c032933fae0548929699a29b25599b618f59f2b4fab0aec1b8

    SHA512

    1947fbb085a2f7ba1c4181fdd60e1d8d78cec1352ad66ca54f25e7829327b0a3febf935b8a39113349e75fd4aff017eea7f24acf0dbac1a7474fac1ee31c8382

  • memory/2268-0-0x0000000000500000-0x0000000000510000-memory.dmp

    Filesize

    64KB

  • memory/2268-1-0x0000000000360000-0x0000000000366000-memory.dmp

    Filesize

    24KB

  • memory/2268-2-0x00000000004A0000-0x00000000004A6000-memory.dmp

    Filesize

    24KB

  • memory/2268-9-0x0000000000360000-0x0000000000366000-memory.dmp

    Filesize

    24KB

  • memory/2268-14-0x0000000000500000-0x0000000000510000-memory.dmp

    Filesize

    64KB

  • memory/2944-18-0x0000000000310000-0x0000000000316000-memory.dmp

    Filesize

    24KB

  • memory/2944-17-0x0000000000500000-0x0000000000510000-memory.dmp

    Filesize

    64KB

  • memory/2944-25-0x0000000000240000-0x0000000000246000-memory.dmp

    Filesize

    24KB

  • memory/2944-26-0x0000000000500000-0x0000000000510000-memory.dmp

    Filesize

    64KB