Resubmissions

30/11/2025, 12:12

251130-pc6htsvpft10

30/11/2025, 12:00

251130-n6lvvahl7110

09/11/2025, 19:58

251109-ypxk5asqhm10

06/11/2025, 21:43

251106-1kxrfatrhp10

03/11/2025, 21:39

251103-1hxzesak9z10

04/10/2025, 20:19

251004-y355es1qy910

09/04/2025, 13:37

250409-qwzeas1rx9

31/03/2025, 05:19

250331-fz687stwdz

31/03/2025, 05:18

250331-fzse2swn13

31/03/2025, 05:18

250331-fzmvkawnz8

Analysis

  • max time kernel
    548s
  • max time network
    563s
  • platform
    windows10-ltsc_2021_x64
  • resource
    win10ltsc2021-20250314-en
  • resource tags

    arch:x64arch:x86image:win10ltsc2021-20250314-enlocale:en-usos:windows10-ltsc_2021-x64system
  • submitted
    31/03/2025, 00:22

General

  • Target
    RansomwareSamples/Phoenix_29_03_2021_1930KB.exe
  • Size 1.9MB
  • Sample250331-apdw1ssjs8
  • SHA256 008ec79765325200361d9c93ac35edd430f8b17894ff843268caa5acd6224549
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Hades Ransomware

    Ransomware family attributed to Evil Corp APT first seen in late 2020.

  • Hades family
  • Hades payload 5 IoCs
  • CryptOne packer 1 IoCs

    Detects CryptOne packer defined in NCC blogpost.

  • Renames multiple (176) files with added filename extension

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

  • Executes dropped EXE 1 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs
  • Views/modifies file attributes 1 TTPs 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\RansomwareSamples\Phoenix_29_03_2021_1930KB.exe
    "C:\Users\Admin\AppData\Local\Temp\RansomwareSamples\Phoenix_29_03_2021_1930KB.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3948
    • C:\Users\Admin\AppData\Roaming\AmsiReg\Speech
      C:\Users\Admin\AppData\Roaming\AmsiReg\Speech /go
      2⤵
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:4320
      • C:\Windows\SYSTEM32\cmd.exe
        cmd /c waitfor /t 10 pause /d y & attrib -h "C:\Users\Admin\AppData\Roaming\AmsiReg\Speech" & del "C:\Users\Admin\AppData\Roaming\AmsiReg\Speech" & rd "C:\Users\Admin\AppData\Roaming\AmsiReg\"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:4580
        • C:\Windows\system32\waitfor.exe
          waitfor /t 10 pause /d y
          4⤵
            PID:4468
          • C:\Windows\system32\attrib.exe
            attrib -h "C:\Users\Admin\AppData\Roaming\AmsiReg\Speech"
            4⤵
            • Views/modifies file attributes
            PID:5964
      • C:\Windows\SYSTEM32\cmd.exe
        cmd /c waitfor /t 10 pause /d y & attrib -h "C:\Users\Admin\AppData\Local\Temp\RansomwareSamples\Phoenix_29_03_2021_1930KB.exe" & del "C:\Users\Admin\AppData\Local\Temp\RansomwareSamples\Phoenix_29_03_2021_1930KB.exe" & rd "C:\Users\Admin\AppData\Local\Temp\RansomwareSamples\"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:240
        • C:\Windows\system32\waitfor.exe
          waitfor /t 10 pause /d y
          3⤵
            PID:2944
          • C:\Windows\system32\attrib.exe
            attrib -h "C:\Users\Admin\AppData\Local\Temp\RansomwareSamples\Phoenix_29_03_2021_1930KB.exe"
            3⤵
            • Views/modifies file attributes
            PID:2224

      Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

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            Downloads

            Speech

            • Path C:\Users\Admin\AppData\Roaming\AmsiReg\Speech
            • Size 1.9MB
            • SHA256 008ec79765325200361d9c93ac35edd430f8b17894ff843268caa5acd6224549
            • MD5 SHA1 SHA512 SSDEEP

            PHOENIX-HELP.txt

            • Path C:\Users\Admin\PHOENIX-HELP.txt
            • Size 1KB
            • SHA256 109fcc906bd7387dc22d43bf44d4a3b73d4b5300863185ccd9a2b734791a4343
            • MD5 SHA1 SHA512

            memory/3948-0-0x0000000002050000-0x0000000002210000-memory.dmp

            memory/3948-1-0x0000000140000000-0x00000001401E4000-memory.dmp

            memory/3948-5-0x0000000140000000-0x00000001401E4000-memory.dmp

            memory/3948-6-0x0000000002050000-0x0000000002210000-memory.dmp

            memory/3948-373-0x0000000140000000-0x00000001401E4000-memory.dmp

            memory/4320-7-0x0000000002190000-0x0000000002350000-memory.dmp

            memory/4320-8-0x0000000140000000-0x00000001401E4000-memory.dmp

            memory/4320-372-0x0000000002190000-0x0000000002350000-memory.dmp

            memory/4320-371-0x0000000140000000-0x00000001401E4000-memory.dmp