Windows 7 deprecation

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

Analysis

  • max time kernel
    132s
  • max time network
    124s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25/05/2024, 05:27

General

  • Target

    2024-05-25_3f6608a76f5a90f207bf872fce8a5b96_cryptolocker.exe

  • Size

    81KB

  • MD5

    3f6608a76f5a90f207bf872fce8a5b96

  • SHA1

    6192edf74b77dcf92b67539f3dfe8246dc5d7257

  • SHA256

    30de18802fc9233ff077a434daffc2c79cf6b2817dbf010dd2e5be80ef28f38d

  • SHA512

    dc3af75250af2cf6def8ecdeb24c96162e48b9c97ad3f31bb8bb2c71286655d1f51d9fcf65d71d736c2274b7a0600a80bb3e891234fd0e6cffa5e662e8b96a9b

  • SSDEEP

    1536:zj+soPSMOtEvwDpj4ktBl01hJ0tq1ky7QM:zCsanOtEvwDpjo

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\2024-05-25_3f6608a76f5a90f207bf872fce8a5b96_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-05-25_3f6608a76f5a90f207bf872fce8a5b96_cryptolocker.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:4016
    • 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:1752

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    81KB

    MD5

    fa4f713332772d30d573ebadc7cdd27e

    SHA1

    dc97798308846678ab309c1bd6233ee0d8d1a042

    SHA256

    c372d4539c4e915de603eb2581e3ff6f3c521e37f90cda2347da6908efe44580

    SHA512

    480034c9fdbc65700c331be494f6f9f1beb9d225cd54af2537fb22d718023a06b5234a53802484e88c6583db274355675ad5a81a05518e9ef04ae77de4cc54de

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

    Filesize

    315B

    MD5

    a34ac19f4afae63adc5d2f7bc970c07f

    SHA1

    a82190fc530c265aa40a045c21770d967f4767b8

    SHA256

    d5a89e26beae0bc03ad18a0b0d1d3d75f87c32047879d25da11970cb5c4662a3

    SHA512

    42e53d96e5961e95b7a984d9c9778a1d3bd8ee0c87b8b3b515fa31f67c2d073c8565afc2f4b962c43668c4efa1e478da9bb0ecffa79479c7e880731bc4c55765

  • memory/1752-19-0x0000000002080000-0x0000000002086000-memory.dmp

    Filesize

    24KB

  • memory/1752-25-0x0000000002050000-0x0000000002056000-memory.dmp

    Filesize

    24KB

  • memory/1752-48-0x0000000000500000-0x0000000000510000-memory.dmp

    Filesize

    64KB

  • memory/4016-0-0x0000000000500000-0x0000000000510000-memory.dmp

    Filesize

    64KB

  • memory/4016-1-0x00000000006B0000-0x00000000006B6000-memory.dmp

    Filesize

    24KB

  • memory/4016-2-0x0000000000860000-0x0000000000866000-memory.dmp

    Filesize

    24KB

  • memory/4016-9-0x00000000006B0000-0x00000000006B6000-memory.dmp

    Filesize

    24KB

  • memory/4016-16-0x0000000000500000-0x0000000000510000-memory.dmp

    Filesize

    64KB