Overview

overview

7

Static

static

3

2026-09-29...op.exe

windows10-2004-x64

7

2026-09-29...op.exe

windows11-ltsc_2024-x64

7

Analysis

  • max time kernel
    150s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260911-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    30/09/2026, 03:07

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General

  • Target
    2026-09-29_373a3496719b392e1e13d727b0ea498f_elex_remcos_stealc_stop.exe
  • Size 1.2MB
  • Sample260930-dml2dsxy8p
  • SHA256 d760db7db4889169e253ba60f49663c94dd65365a36e645a94ef81cd3e003606
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10
discoveryspywarestealerupx

Malware Config

Signatures

  • Reads user/profile data of web browsers 3 TTPs

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

    spywarestealer
  • Enumerates connected drives 3 TTPs 1 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops file in System32 directory 21 IoCs
  • UPX packed file 3 IoCs

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

    upx
  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 1 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 32 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SendNotifyMessage 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-09-29_373a3496719b392e1e13d727b0ea498f_elex_remcos_stealc_stop.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-09-29_373a3496719b392e1e13d727b0ea498f_elex_remcos_stealc_stop.exe"
    1⤵
    • Enumerates connected drives
    • Drops file in System32 directory
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    PID:4448

Network

        MITRE ATT&CK Enterprise v16

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        Downloads

        AppVClient.exe
        • Path C:\Windows\System32\AppVClient.exe
        • Size 1.5MB
        • SHA256 0019dc334258ce5f53d92a293401e95ad3e5cd1474a4bfc6429a4a843c2d7d48
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        DiagnosticsHub.StandardCollector.Service.exe
        • Path C:\Windows\System32\DiagSvcs\DiagnosticsHub.StandardCollector.Service.exe
        • Size 848KB
        • SHA256 10e9793872c431632b1975c42a3dc6de7bb7923ef92ffc2c1c2ab4bfe4926170
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        alg.exe
        • Path C:\Windows\System32\alg.exe
        • Size 850KB
        • SHA256 fe5611689f7c498554059008a3eda223d1e9ef60f71a7932db1f552dece92ff2
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        memory/4448-0-0x0000000002320000-0x00000000023F6000-memory.dmp
        Download

        memory/4448-1-0x0000000002580000-0x0000000002605000-memory.dmp
        Download

        memory/4448-7-0x0000000002580000-0x0000000002605000-memory.dmp
        Download

        memory/4448-14-0x0000000076FA0000-0x0000000076FB0000-memory.dmp
        Download

        memory/4448-13-0x0000000076FA0000-0x0000000076FB0000-memory.dmp
        Download