Windows 7 deprecation

Windows 7 will be removed from tria.ge on 2025-03-31

Analysis

  • max time kernel
    150s
  • max time network
    156s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18/03/2024, 10:50

General

  • Target

    2024-03-18_d3fcaa0be72afd8ea62ef2e471bacc15_cryptolocker.exe

  • Size

    69KB

  • MD5

    d3fcaa0be72afd8ea62ef2e471bacc15

  • SHA1

    2e3d40a85ada946b8bd3ca493e7a5b1d39126c3c

  • SHA256

    b025a2d3258c240146067c21275522efb33aa87a1aa6c08ef72ab3730f24d409

  • SHA512

    3ff6bf9a2acc680bcb3c6a455d072356b62371c677bf00f67916ab30d2cf8bf2d9decc6e3aff210cd05c9c5fca1bc23de85292e42f06563adcefb3db6b0b30ca

  • SSDEEP

    1536:Dk/xY0sllyGQMOtEvwDpjwycDtKkQZQRKb61vSbgZ3QzNKUrg:DW60sllyWOtEvwDpjwF85+

Score
9/10

Malware Config

Signatures

  • Detection of CryptoLocker Variants 3 IoCs
  • Detection of Cryptolocker Samples 3 IoCs
  • 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).

  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-03-18_d3fcaa0be72afd8ea62ef2e471bacc15_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-03-18_d3fcaa0be72afd8ea62ef2e471bacc15_cryptolocker.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:2400
    • C:\Users\Admin\AppData\Local\Temp\asih.exe
      "C:\Users\Admin\AppData\Local\Temp\asih.exe"
      2⤵
      • Executes dropped EXE
      PID:3356

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    69KB

    MD5

    efd264cdd8d34fd0f58f3955726a4cc1

    SHA1

    fc8c41e80953d60836e57b9d45386d4d3e838c00

    SHA256

    a21e100bc98183783945777553ca06033925732e95c62005c93824640628a42b

    SHA512

    f0c862436e2113daa64cedbbbb029bb468c273f2fba8e5bae495aa843a6b77c840b6229621b4d749a4968f72a8ac29bb53bd083572e1039e78eec20d5ae70116

  • memory/2400-0-0x0000000000500000-0x000000000050B000-memory.dmp

    Filesize

    44KB

  • memory/2400-1-0x0000000000830000-0x0000000000836000-memory.dmp

    Filesize

    24KB

  • memory/2400-2-0x0000000000830000-0x0000000000836000-memory.dmp

    Filesize

    24KB

  • memory/2400-3-0x00000000020F0000-0x00000000020F6000-memory.dmp

    Filesize

    24KB

  • memory/2400-18-0x0000000000500000-0x000000000050B000-memory.dmp

    Filesize

    44KB

  • memory/3356-19-0x0000000002110000-0x0000000002116000-memory.dmp

    Filesize

    24KB

  • memory/3356-21-0x0000000001F50000-0x0000000001F56000-memory.dmp

    Filesize

    24KB