Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    02/08/2026, 00:32

General

  • Target
    2026-08-01_6b2714205bbf842eebb64f2ce6e04d0a_cryptolocker_elex.exe
  • Size 93KB
  • Sample260802-av4dvszzaz
  • SHA256 e47cfaddc4eacc625b095636c39a99ca928ae6affc1f10bd382162061dbe93e9
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Detection of CryptoLocker Variants 1 IoCs
  • Detection of Cryptolocker Samples 1 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).

  • Modifies trusted root certificate store through registry 1 TTPs 2 IoCs

    A root certificate was added, modified, or removed in the trusted certificate store registry paths.

  • 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.

  • Modifies system certificate store 2 TTPs 3 IoCs
  • Suspicious use of WriteProcessMemory 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-08-01_6b2714205bbf842eebb64f2ce6e04d0a_cryptolocker_elex.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-01_6b2714205bbf842eebb64f2ce6e04d0a_cryptolocker_elex.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:60
    • C:\Users\Admin\AppData\Local\Temp\asih.exe
      "C:\Users\Admin\AppData\Local\Temp\asih.exe"
      2⤵
      • Executes dropped EXE
      • Modifies trusted root certificate store through registry
      • System Location Discovery: System Language Discovery
      • Modifies system certificate store
      PID:4908

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        asih.exe

        • Path C:\Users\Admin\AppData\Local\Temp\asih.exe
        • Size 93KB
        • SHA256 313245600b805562067d7f584189dc0fb40d0d78167828b4a4e045c33b2ce231
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/60-0-0x00000000006A0000-0x00000000006A6000-memory.dmp

        memory/60-1-0x00000000006A0000-0x00000000006A6000-memory.dmp

        memory/60-3-0x00000000006C0000-0x00000000006C6000-memory.dmp

        memory/4908-18-0x00000000005E0000-0x00000000005E6000-memory.dmp

        memory/4908-17-0x00000000005C0000-0x00000000005C6000-memory.dmp