Overview

overview

10

Static

static

10

2026-08-21...op.exe

windows10-2004-x64

9

2026-08-21...op.exe

windows11-ltsc_2024-x64

9

Analysis

  • max time kernel
    150s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    22/08/2026, 08:43

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General

  • Target
    2026-08-21_a68b859418fec96ffdef3571a52b9716_coinminer_elex_rhadamanthys_stop.exe
  • Size 786KB
  • Sample260822-kmjplaef42
  • SHA256 ea601ccbe96d937c86b4c3cb27709f017edd77a98b39f6f059b8600d20f1b113
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
discoverypersistenceupx

Malware Config

Signatures

  • UPX dump on OEP (original entry point) 7 IoCs
  • Deletes itself 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
    persistence
  • UPX packed file 7 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

    upx
  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

    discovery
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SendNotifyMessage 2 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-08-21_a68b859418fec96ffdef3571a52b9716_coinminer_elex_rhadamanthys_stop.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-21_a68b859418fec96ffdef3571a52b9716_coinminer_elex_rhadamanthys_stop.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2992
    • C:\ProgramData\c5421McFhMfN3741.exe
      "C:\ProgramData\c5421McFhMfN3741.exe" "C:\Users\Admin\AppData\Local\Temp\2026-08-21_a68b859418fec96ffdef3571a52b9716_coinminer_elex_rhadamanthys_stop.exe"
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of SetWindowsHookEx
      PID:4512
  • C:\ProgramData\c5421McFhMfN3741.exe
    C:\ProgramData\c5421McFhMfN3741.exe
    1⤵
    • Executes dropped EXE
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:5024

Network

        MITRE ATT&CK Enterprise v16

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        Downloads

        c5421McFhMfN3741
        • Path C:\ProgramData\c5421McFhMfN3741
        • Size 208B
        • SHA256 cca00182bb3b7af69b75485cb98238d3b8a2749756a1c0204ad3f7a0bfc561ff
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        c5421McFhMfN3741.exe
        • Path C:\ProgramData\c5421McFhMfN3741.exe
        • Size 786KB
        • SHA256 273d6919413f694e047e25ee71005ad081be1f7e2d1426f05c3ec3993adc6e6e
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        memory/2992-0-0x0000000000400000-0x00000000004C6000-memory.dmp
        Download

        memory/2992-1-0x0000000000459000-0x000000000045A000-memory.dmp
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        memory/2992-13-0x0000000000400000-0x00000000004C6000-memory.dmp
        Download

        memory/4512-8-0x0000000000400000-0x00000000004C6000-memory.dmp
        Download

        memory/4512-10-0x0000000000400000-0x00000000004C6000-memory.dmp
        Download

        memory/4512-17-0x0000000000400000-0x00000000004C6000-memory.dmp
        Download

        memory/5024-16-0x0000000000400000-0x00000000004C6000-memory.dmp
        Download