Windows 7 deprecation

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

Analysis

  • max time kernel
    138s
  • max time network
    144s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11/02/2024, 15:45

General

  • Target

    2024-02-11_f0545744cf771c2bc0f30f027355abda_cryptolocker.exe

  • Size

    92KB

  • MD5

    f0545744cf771c2bc0f30f027355abda

  • SHA1

    dad14efb68a86afcc2262ace9719feec7abad9d4

  • SHA256

    a0e7a7d00cc5ae1a94d6aaebacf98c05ed175714650006d823961f78f7282bbc

  • SHA512

    b079bcbc15e647adbc29637b71e8d4188045add9f4cfdb199b0ec712c1819a58d8242f66f90d77070375d1e54bab18b0cf5acfae3c0d0291ff1d857093652fbe

  • SSDEEP

    1536:zj+soPSMOtEvwDpj4ktBl01hJl8QAPM8Ho6cRDjgx/J:zCsanOtEvwDpjBJ

Score
9/10
upx

Malware Config

Signatures

  • Detection of CryptoLocker Variants 4 IoCs
  • Detection of Cryptolocker Samples 4 IoCs
  • UPX dump on OEP (original entry point) 4 IoCs
  • Checks computer location settings 2 TTPs 2 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 1 IoCs
  • UPX packed file 4 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).

  • Modifies system certificate store 2 TTPs 8 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-02-11_f0545744cf771c2bc0f30f027355abda_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-02-11_f0545744cf771c2bc0f30f027355abda_cryptolocker.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:3808
    • C:\Users\Admin\AppData\Local\Temp\misid.exe
      "C:\Users\Admin\AppData\Local\Temp\misid.exe"
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • Modifies system certificate store
      PID:3048

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    92KB

    MD5

    db219161e28799e6930e9ba56a5c3db8

    SHA1

    1c87bd575f7a45a37e403cbbfd49e72418179fa0

    SHA256

    8d9cd73c44c315c4f61cc4dec88ad59ea4c4c98407664f2d5581d4e0f5734921

    SHA512

    40676d995602ab3cc5ad4457f8a97ad99454b37a4c63db3a598a6471124cb2659438e1ded39d2f7eb31b5cb02243f9393d3899a034fde5415b37b30418fe3d11

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

    Filesize

    315B

    MD5

    a34ac19f4afae63adc5d2f7bc970c07f

    SHA1

    a82190fc530c265aa40a045c21770d967f4767b8

    SHA256

    d5a89e26beae0bc03ad18a0b0d1d3d75f87c32047879d25da11970cb5c4662a3

    SHA512

    42e53d96e5961e95b7a984d9c9778a1d3bd8ee0c87b8b3b515fa31f67c2d073c8565afc2f4b962c43668c4efa1e478da9bb0ecffa79479c7e880731bc4c55765

  • memory/3048-19-0x0000000000750000-0x0000000000756000-memory.dmp

    Filesize

    24KB

  • memory/3048-24-0x0000000000730000-0x0000000000736000-memory.dmp

    Filesize

    24KB

  • memory/3048-48-0x0000000000500000-0x0000000000510000-memory.dmp

    Filesize

    64KB

  • memory/3808-0-0x0000000000500000-0x0000000000510000-memory.dmp

    Filesize

    64KB

  • memory/3808-1-0x00000000004D0000-0x00000000004D6000-memory.dmp

    Filesize

    24KB

  • memory/3808-2-0x00000000004D0000-0x00000000004D6000-memory.dmp

    Filesize

    24KB

  • memory/3808-3-0x00000000004F0000-0x00000000004F6000-memory.dmp

    Filesize

    24KB

  • memory/3808-18-0x0000000000500000-0x0000000000510000-memory.dmp

    Filesize

    64KB