Overview

overview

10

Static

static

10

2026-08-08...op.exe

windows10-2004-x64

10

2026-08-08...op.exe

windows11-ltsc_2024-x64

10

Analysis

  • max time kernel
    149s
  • 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
    08/08/2026, 02:56

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General

  • Target
    2026-08-08_ae23130544e3c75b2699369e0def7d0c_elex_neshta_ransomhub_rhadamanthys_stop.exe
  • Size 4.2MB
  • Sample260808-de7ccsyeqa
  • SHA256 a05c3ce1fe4a843b5773934f5242f55955f1e7238b08141a0539a03a9f372162
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
defense_evasiondiscoveryneshtapersistencespywarestealerthemidatrojan

Malware Config

Signatures

  • Family: Neshta

    Malware from the neshta family is designed to infect itself into other files to spread itself and cause damage.

    persistencespywareneshta
  • Detect Neshta payload 5 IoCs
  • Detects executables packed with Themida 3 IoCs
  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
    defense_evasion
  • Checks BIOS information in registry 2 TTPs 2 IoCs

    BIOS information is often read in order to detect sandboxing environments.

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 1 IoCs
  • Modifies system executable filetype association 2 TTPs 1 IoCs
    persistence
  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

    spywarestealer
  • Themida packer 3 IoCs

    Detects Themida, an advanced Windows software protection system.

    themida
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
    defense_evasiontrojan
  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 1 IoCs
  • 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.

    discovery
  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of WriteProcessMemory 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-08-08_ae23130544e3c75b2699369e0def7d0c_elex_neshta_ransomhub_rhadamanthys_stop.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-08_ae23130544e3c75b2699369e0def7d0c_elex_neshta_ransomhub_rhadamanthys_stop.exe"
    1⤵
    • Checks computer location settings
    • Modifies system executable filetype association
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:4512
    • C:\Users\Admin\AppData\Local\Temp\3582-490\2026-08-08_ae23130544e3c75b2699369e0def7d0c_elex_neshta_ransomhub_rhadamanthys_stop.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\2026-08-08_ae23130544e3c75b2699369e0def7d0c_elex_neshta_ransomhub_rhadamanthys_stop.exe"
      2⤵
      • Identifies VirtualBox via ACPI registry values (likely anti-VM)
      • Checks BIOS information in registry
      • Executes dropped EXE
      • Checks whether UAC is enabled
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      PID:4124

Network

        MITRE ATT&CK Enterprise v16

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        Downloads

        ACROTE~1.EXE
        • Path C:\PROGRA~2\Adobe\ACROBA~1\Reader\ACROTE~1.EXE
        • Size 86KB
        • SHA256 ded54d1fcca07b6bff2bc3b9a1131eac29ff1f836e5d7a7c5c325ec5abe96e29
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        2026-08-08_ae23130544e3c75b2699369e0def7d0c_elex_neshta_ransomhub_rhadamanthys_stop.exe
        • Path C:\Users\Admin\AppData\Local\Temp\3582-490\2026-08-08_ae23130544e3c75b2699369e0def7d0c_elex_neshta_ransomhub_rhadamanthys_stop.exe
        • Size 4.1MB
        • SHA256 7716af3516d0caa65cf6ce7a858b870eab880fa050ec8167cf68506dd3ecce8c
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        memory/4124-11-0x0000000000400000-0x0000000000823000-memory.dmp
        Download

        memory/4124-15-0x0000000000400000-0x0000000000823000-memory.dmp
        Download

        memory/4512-137-0x0000000000400000-0x000000000041B000-memory.dmp
        Download

        memory/4512-138-0x0000000000400000-0x000000000041B000-memory.dmp
        Download

        memory/4512-139-0x0000000000400000-0x000000000041B000-memory.dmp
        Download

        memory/4512-141-0x0000000000400000-0x000000000041B000-memory.dmp
        Download