Overview

overview

10

Static

static

3

2026-03-10...os.exe

windows10-2004-x64

10

2026-03-10...os.exe

windows11-21h2-x64

10

Analysis

  • max time kernel
    149s
  • max time network
    153s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260130-en
  • resource tags

    arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    10/03/2026, 03:39

Sharing

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General

  • Target
    2026-03-10_9218f166ea14897ca99f037b2228095b_clop_elex_remcos.exe
  • Size 100KB
  • Sample260310-d7m47ac16l
  • SHA256 8956050902548d7a5dc843777b9c58f252e2251909fffef246799d2263bafe74
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
discoveryclopransomware

Malware Config

Extracted

Path

  • C:\PerfLogs\ClopReadMe.txt

  • clop

Ransom Note
  • Your network has been penetrated. All files on each host in the network have been encrypted with a strong algorithm. Backups were either encrypted or deleted or backup disks were formatted. Shadow copies also removed, so F8 or any other methods may damage encrypted data but not recover. We exclusively have decryption software for your situation No decryption software is available in the public. DO NOT RESET OR SHUTDOWN – files may be damaged. DO NOT RENAME OR MOVE the encrypted and readme files. DO NOT DELETE readme files. This may lead to the impossibility of recovery of the certain files. Photorec, RannohDecryptor etc. repair tools are useless and can destroy your files irreversibly. If you want to restore your files write to emails (contacts are at the bottom of the sheet) and attach 2-3 encrypted files (Less than 5 Mb each, non-archived and your files should not contain valuable information (Databases, backups, large excel sheets, etc.)). You will receive decrypted samples and our conditions how to get the decoder. Attention!!! Your warranty - decrypted samples. Do not rename encrypted files. Do not try to decrypt your data using third party software. We don`t need your files and your information. But after 2 weeks all your files and keys will be deleted automatically. Contact emails: [email protected] or [email protected] The final price depends on how fast you write to us. Clop

Signatures

  • Clop family
    clop
  • clop

    Ransomware discovered in early 2019 which has been actively developed since release.

    ransomwareclop
  • Renames multiple (707) files with added filename extension

    This suggests ransomware activity of encrypting all the files on the system.

    ransomware
  • Drops desktop.ini file(s) 24 IoCs
  • Enumerates connected drives 3 TTPs 23 IoCs

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

  • Drops file in Program Files directory 2 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 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-03-10_9218f166ea14897ca99f037b2228095b_clop_elex_remcos.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-03-10_9218f166ea14897ca99f037b2228095b_clop_elex_remcos.exe"
    1⤵
    • Drops desktop.ini file(s)
    • Enumerates connected drives
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    PID:4288

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        ClopReadMe.txt
        • Path C:\PerfLogs\ClopReadMe.txt
        • Size 1KB
        • SHA256 e79dfc0bbdefca3815ffb349139a512e7090403a1e4d80414b97b3e567c7c1ad
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        memory/4288-0-0x00000000013B0000-0x000000000146B000-memory.dmp
        Download

        memory/4288-496-0x00000000013B0000-0x000000000146B000-memory.dmp
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        memory/4288-1078-0x00000000013B0000-0x000000000146B000-memory.dmp
        Download

        memory/4288-1491-0x00000000013B0000-0x000000000146B000-memory.dmp
        Download

        memory/4288-1953-0x00000000013B0000-0x000000000146B000-memory.dmp
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        memory/4288-2421-0x00000000013B0000-0x000000000146B000-memory.dmp
        Download

        memory/4288-2585-0x00000000013B0000-0x000000000146B000-memory.dmp
        Download

        memory/4288-2587-0x00000000013B0000-0x000000000146B000-memory.dmp
        Download

        memory/4288-2590-0x00000000013B0000-0x000000000146B000-memory.dmp
        Download