Windows 7 deprecation

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

Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18/02/2024, 03:40

General

  • Target

    2024-02-18_78c64c066f6fd9970e621fcd711fb14d_cryptolocker.exe

  • Size

    56KB

  • MD5

    78c64c066f6fd9970e621fcd711fb14d

  • SHA1

    052a31768a32577598bfd40613b3babb50dfbcaf

  • SHA256

    4313bc195f4be8fe182eac6d101ba3befc66c2ee41aff0026c7e79e69004c66a

  • SHA512

    2df7cac6f4f2f80f55266b35b73ce8040fcaa44c1364a30357a5d3d32d0e2b1887071a5d17cb512402e2115cfe453a22eb9aeaef70b06f01cf0bd60ebd3a4d20

  • SSDEEP

    1536:qmbhXDmjr5MOtEvwDpj5cDtKkQZQRKb6105:BbdDmjr+OtEvwDpjMa

Score
9/10

Malware Config

Signatures

  • Detection of CryptoLocker Variants 5 IoCs
  • Detection of Cryptolocker Samples 3 IoCs
  • UPX dump on OEP (original entry point) 5 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\2024-02-18_78c64c066f6fd9970e621fcd711fb14d_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-02-18_78c64c066f6fd9970e621fcd711fb14d_cryptolocker.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:4932
    • C:\Users\Admin\AppData\Local\Temp\asih.exe
      "C:\Users\Admin\AppData\Local\Temp\asih.exe"
      2⤵
      • Executes dropped EXE
      PID:3508

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    56KB

    MD5

    216cfcd08045565291082a79f59e1231

    SHA1

    5c01c0acce78adaafe2d6105abd6d02fee0bae80

    SHA256

    24e5503868806616c778390569d86bd222b990b5ce7b78d680cb603013c07441

    SHA512

    80989635c46886db90c24516950653cb78d20b74f9eebe27528a8a15f6a5a74c6bbef9599fbe453107eeb3fc8239881d467d5f1db8acf838e66ff794234c7cb4

  • memory/3508-18-0x0000000000500000-0x0000000000510000-memory.dmp

    Filesize

    64KB

  • memory/3508-20-0x0000000002090000-0x0000000002096000-memory.dmp

    Filesize

    24KB

  • memory/3508-22-0x00000000007D0000-0x00000000007D6000-memory.dmp

    Filesize

    24KB

  • memory/3508-27-0x0000000000500000-0x0000000000510000-memory.dmp

    Filesize

    64KB

  • memory/4932-0-0x0000000000500000-0x0000000000510000-memory.dmp

    Filesize

    64KB

  • memory/4932-1-0x00000000004D0000-0x00000000004D6000-memory.dmp

    Filesize

    24KB

  • memory/4932-2-0x00000000004D0000-0x00000000004D6000-memory.dmp

    Filesize

    24KB

  • memory/4932-3-0x00000000004F0000-0x00000000004F6000-memory.dmp

    Filesize

    24KB

  • memory/4932-16-0x0000000000500000-0x0000000000510000-memory.dmp

    Filesize

    64KB