Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260130-en
  • resource tags

    arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    05/05/2026, 07:35

General

  • Target
    2026-05-05_3c05cc9693a05ca667dca78fe235282d_coinminer_cryptolocker_elex.exe
  • Size 67KB
  • Sample260505-jer6bsev7m
  • SHA256 a57bd0a9bafd3f882c58838c3faef60dba99093926da227e9f72bff0d9f1b0f3
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10

Malware Config

Signatures

  • Detection of CryptoLocker Variants 5 IoCs
  • Detection of Cryptolocker Samples 5 IoCs
  • UPX dump on OEP (original entry point) 5 IoCs
  • Executes dropped EXE 1 IoCs
  • UPX packed file 5 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\2026-05-05_3c05cc9693a05ca667dca78fe235282d_coinminer_cryptolocker_elex.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-05-05_3c05cc9693a05ca667dca78fe235282d_coinminer_cryptolocker_elex.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1064
    • 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:4520

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 67KB
        • SHA256 af24958372641122571e70d398bde411c58409647699a7747b601dc306164d11
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/1064-0-0x0000000000500000-0x0000000000510000-memory.dmp

        memory/1064-1-0x0000000000504000-0x0000000000505000-memory.dmp

        memory/1064-2-0x00000000006E0000-0x00000000006E6000-memory.dmp

        memory/1064-3-0x0000000000500000-0x0000000000510000-memory.dmp

        memory/1064-4-0x0000000002180000-0x0000000002186000-memory.dmp

        memory/4520-18-0x0000000000500000-0x0000000000510000-memory.dmp

        memory/4520-26-0x0000000000500000-0x0000000000510000-memory.dmp

        memory/4520-20-0x0000000002170000-0x0000000002176000-memory.dmp

        memory/4520-51-0x0000000003340000-0x000000000348D000-memory.dmp