Analysis

  • max time kernel
    149s
  • max time network
    138s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260130-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260130-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    11/05/2026, 04:36

General

  • Target
    2026-05-11_4bcb01ce4b24bc1598fe5a97e57739da_coinminer_cryptolocker_elex.exe
  • Size 66KB
  • Sample260511-e8kk5aex7m
  • SHA256 090feca02337fd3b0303d834715eae58b3cf02c746c5fcd61c819c2d3900ad90
  • 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
  • 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).

  • 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\2026-05-11_4bcb01ce4b24bc1598fe5a97e57739da_coinminer_cryptolocker_elex.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-05-11_4bcb01ce4b24bc1598fe5a97e57739da_coinminer_cryptolocker_elex.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1252
    • C:\Users\Admin\AppData\Local\Temp\asih.exe
      "C:\Users\Admin\AppData\Local\Temp\asih.exe"
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:2584

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        asih.exe

        • Path C:\Users\Admin\AppData\Local\Temp\asih.exe
        • Size 67KB
        • SHA256 0a5713e5012eeb555eae11b5e062f17a2c9a3db2c603204955c2ed9e78702ba5
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/1252-18-0x0000000002070000-0x00000000022F1000-memory.dmp

        memory/1252-2-0x0000000000650000-0x0000000000656000-memory.dmp

        memory/1252-3-0x0000000000810000-0x0000000000816000-memory.dmp

        memory/1252-1-0x0000000000650000-0x0000000000656000-memory.dmp

        memory/1252-17-0x0000000000500000-0x000000000050F000-memory.dmp

        memory/1252-0-0x0000000000500000-0x000000000050F000-memory.dmp

        memory/2584-26-0x00000000004D0000-0x00000000004D6000-memory.dmp

        memory/2584-20-0x00000000004F0000-0x00000000004F6000-memory.dmp

        memory/2584-27-0x0000000000500000-0x000000000050F000-memory.dmp

        memory/2584-29-0x0000000001FE0000-0x0000000002261000-memory.dmp

        memory/2584-44-0x0000000001FE0000-0x0000000002261000-memory.dmp

        memory/2584-67-0x0000000001FE0000-0x0000000002261000-memory.dmp