Analysis

  • max time kernel
    149s
  • max time network
    128s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260513-en
  • resource tags

    arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    04/06/2026, 17:23

General

  • Target
    2026-06-04_51420c3698573c1ba5214eafabd72ea4_coinminer_cryptolocker_elex.exe
  • Size 48KB
  • Sample260604-vyaaeabs9y
  • SHA256 46acec3af5819ca5cdaca73c7f88a35d591148c12bae5a15fe81f96fa435b2f3
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10

Malware Config

Signatures

  • Custom signature
    Detection of CryptoLocker Variants 4 IoCs
  • Custom signature
    Detection of Cryptolocker Samples 4 IoCs
  • Custom signature
    UPX dump on OEP (original entry point) 4 IoCs
  • 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).

  • 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.

  • Suspicious use of WriteProcessMemory 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-06-04_51420c3698573c1ba5214eafabd72ea4_coinminer_cryptolocker_elex.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-06-04_51420c3698573c1ba5214eafabd72ea4_coinminer_cryptolocker_elex.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:492
    • C:\Users\Admin\AppData\Local\Temp\asih.exe
      "C:\Users\Admin\AppData\Local\Temp\asih.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:4112

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 48KB
        • SHA256 178121828673936fefc6d118d9f32bf06d3d21954bee0d23224f6d2cc8d35476
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/492-0-0x0000000000500000-0x000000000050F000-memory.dmp

        memory/492-1-0x00000000022D0000-0x00000000022D6000-memory.dmp

        memory/492-2-0x00000000022D0000-0x00000000022D6000-memory.dmp

        memory/492-3-0x0000000002140000-0x0000000002146000-memory.dmp

        memory/492-18-0x0000000000500000-0x000000000050F000-memory.dmp

        memory/4112-20-0x0000000002200000-0x0000000002206000-memory.dmp

        memory/4112-26-0x0000000002150000-0x0000000002156000-memory.dmp

        memory/4112-49-0x0000000000500000-0x000000000050F000-memory.dmp