Analysis

  • max time kernel
    132s
  • max time network
    139s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    31-10-2024 08:25

General

  • Target

    2024-10-31_5a4b5f0688d8e8a5590a47c17dc59b14_cryptolocker.exe

  • Size

    44KB

  • MD5

    5a4b5f0688d8e8a5590a47c17dc59b14

  • SHA1

    dcf96c726917610a14112aa8568a86a272f80da4

  • SHA256

    2747abfa00f35bfac2f47a16d777f869f58a1504ba2d5674e9eb9f8c5c98812d

  • SHA512

    b2b04aee737425b67f56c6d39ef4c107207fba2a31fbc0917115900107736c1529585e2af1c0b32fbb170dbca2e00f584e05e5ddf11084bcc35dacce135102f3

  • SSDEEP

    768:X6LsoEEeegiZPvEhHSG+gp/QtOOtEvwDpjBVaD3TP7DFHuRcD9HQ:X6QFElP6n+gJQMOtEvwDpjBmzDkWDtQ

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 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 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-10-31_5a4b5f0688d8e8a5590a47c17dc59b14_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-10-31_5a4b5f0688d8e8a5590a47c17dc59b14_cryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2504
    • 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:2308

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    44KB

    MD5

    5e63d4287c720d3931b374c64ef586c9

    SHA1

    3e4e3bbbc943b16d35ef427140542f73426bf033

    SHA256

    1c6ba2192de187e546bf3abcfedc9b76bfb638e656a5ea3d420ea420ceb3d8a7

    SHA512

    546abab7ea9eb4d73a29f7cef87abcebebedb79fd8ce5f20312a158d9eb7fffc2b5c7b4ca09ca28fcd71b5cf3e6243a93a9b599057a84cd7bf24cc203a51008f

  • memory/2308-22-0x00000000001D0000-0x00000000001D6000-memory.dmp

    Filesize

    24KB

  • memory/2504-0-0x0000000000240000-0x0000000000246000-memory.dmp

    Filesize

    24KB

  • memory/2504-8-0x0000000000240000-0x0000000000246000-memory.dmp

    Filesize

    24KB

  • memory/2504-1-0x0000000000290000-0x0000000000296000-memory.dmp

    Filesize

    24KB