Analysis

  • max time kernel
    149s
  • max time network
    141s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20251231-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20251231-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04/01/2026, 04:29

General

  • Target
    2026-01-04_c7af15f4bb7eb9e767dfa634adbc67f1_cobalt-strike_icedid_luca-stealer_njrat_satacom_stealc_vidar.exe
  • Size 253KB
  • Sample260104-e4a6wscs6a
  • SHA256 777f0c38076c7bf1b9bed71e87d9f900f147cca5308de4598c3834ef70cc9a59
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10

Malware Config

Signatures

  • Locky

    Ransomware strain released in 2016, with advanced features like anti-analysis.

  • Locky family
  • Renames multiple (179) files with added filename extension

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

  • Drops desktop.ini file(s) 25 IoCs
  • Enumerates connected drives 3 TTPs 23 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Uses Volume Shadow Copy service COM API

    The Volume Shadow Copy service is used to manage backups/snapshots.

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-01-04_c7af15f4bb7eb9e767dfa634adbc67f1_cobalt-strike_icedid_luca-stealer_njrat_satacom_stealc_vidar.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-01-04_c7af15f4bb7eb9e767dfa634adbc67f1_cobalt-strike_icedid_luca-stealer_njrat_satacom_stealc_vidar.exe"
    1⤵
    • Drops desktop.ini file(s)
    • Enumerates connected drives
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:5088
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:1552

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        Osiris-MESSAGE.txt

        • Path C:\Users\Osiris-MESSAGE.txt
        • Size 855B
        • SHA256 19bf80bb7a7a1b22de65ba26b50ebe1c77bc2635fedd4555868de4a1938e0518
        • MD5 SHA1 SHA512