Overview

overview

10

Static

static

10

2024-10-06...de.exe

windows7-x64

10

2024-10-06...de.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    147s
  • max time network
    137s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06/10/2024, 04:50

Sharing

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General

  • Target
    2024-10-06_e09dd7cca0c6c147ba21b4062e723c5b_darkside.exe
  • Size 146KB
  • Sample241006-fgjp7axejb
  • SHA256 d9938ac4346d03a07f8ce8b57436e75ba5e936372b9bfd0386f18f6d56902c88
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
defense_evasiondiscoveryransomwarespywarestealer

Malware Config

Extracted

Path

  • C:\fB1SZ2i3X.README.txt

Ransom Note
  • >>>> Your data are stolen and encrypted! >>>> Sensitive data on your system was DOWNLOADED and it will be PUBLISHED if you refuse to cooperate. Your competitors or law enforcement may get them on the web. Data includes: - Employees personal data, CVs, DL, SSN. - Complete network map including credentials for local and remote services. - Financial information including clients data, bills, budgets, annual reports, bank statements. - Complete datagrams/schemas/drawings for manufacturing in solidworks format - And more... You can request the tree of files that we have. >>>> You need contact us and decrypt one file for free, send a small file for test decryption with your personal DECRYPTION ID to tox chat: >>>> Your personal DECRYPTION ID: 7FBC34A4128F7B75C885206289E0AACC 1)Download and install TOX chat: https://tox.chat 2)Write to this tox id: DED25DCB2AAAF65A05BEA584A0D1BB1D55DD2D8BB4185FA39B5175C60C8DDD0C0A7F8A8EC815 and wait for the answer, we will always answer you. >>>> DO NOT MODIFY FILES YOURSELF. >>>> DO NOT USE THIRD PARTY SOFTWARE TO RESTORE YOUR DATA. >>>> YOU MAY DAMAGE YOUR FILES, IT WILL RESULT IN PERMANENT DATA LOSS. >>>> YOUR DATA IS STRONGLY ENCRYPTED, YOU CAN NOT DECRYPT IT WITHOUT CIPHER KEY.
URLs

  • https://tox.chat

Signatures

  • Renames multiple (636) files with added filename extension

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

    ransomware
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Reads user/profile data of web browsers 3 TTPs

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

    spywarestealer
  • Drops desktop.ini file(s) 2 IoCs
  • Indicator Removal: File Deletion 1 TTPs

    Adversaries may delete files left behind by the actions of their intrusion activity.

    defense_evasion
  • Drops file in System32 directory 4 IoCs
  • Sets desktop wallpaper using registry 2 TTPs 2 IoCs
    ransomware
  • Suspicious use of NtSetInformationThreadHideFromDebugger 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 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

    discovery
  • Checks processor information in registry 2 TTPs 3 IoCs

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

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies Control Panel 2 IoCs
    evasion
  • Modifies registry class 5 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: RenamesItself 26 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of SetWindowsHookEx 13 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-10-06_e09dd7cca0c6c147ba21b4062e723c5b_darkside.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-10-06_e09dd7cca0c6c147ba21b4062e723c5b_darkside.exe"
    1⤵
    • Drops desktop.ini file(s)
    • Sets desktop wallpaper using registry
    • System Location Discovery: System Language Discovery
    • Modifies Control Panel
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2364
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
      • Drops file in System32 directory
      PID:1868
    • C:\ProgramData\DCB5.tmp
      "C:\ProgramData\DCB5.tmp"
      2⤵
      • Checks computer location settings
      • Deletes itself
      • Executes dropped EXE
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: RenamesItself
      • Suspicious use of WriteProcessMemory
      PID:4640
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /C DEL /F /Q C:\PROGRA~3\DCB5.tmp >> NUL
        3⤵
        • System Location Discovery: System Language Discovery
        PID:4480
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k PrintWorkflow -s PrintWorkflowUserSvc
    1⤵
      PID:4008
    • C:\Windows\system32\printfilterpipelinesvc.exe
      C:\Windows\system32\printfilterpipelinesvc.exe -Embedding
      1⤵
      • Drops file in System32 directory
      • Suspicious use of WriteProcessMemory
      PID:1816
      • C:\Program Files\Microsoft Office\root\Office16\ONENOTE.EXE
        /insertdoc "C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\{3C79C5AC-C135-4A11-A1C3-5B62F9D7774F}.xps" 133726638446680000
        2⤵
        • Checks processor information in registry
        • Enumerates system info in registry
        • Suspicious use of SetWindowsHookEx
        PID:1068

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          DDDDDDDDDDD
          • Path C:\$Recycle.Bin\S-1-5-21-1194130065-3471212556-1656947724-1000\DDDDDDDDDDD
          • Size 129B
          • SHA256 65fa8e84f511ce2a6b7892ec23a2c731289f70b712578ca242859e6d719a8ba2
          • MD5 SHA1 SHA512
          Submit Download

          DCB5.tmp
          • Path C:\ProgramData\DCB5.tmp
          • Size 14KB
          • SHA256 917e115cc403e29b4388e0d175cbfac3e7e40ca1742299fbdb353847db2de7c2
          • MD5 SHA1 SHA512 SSDEEP
          Submit Download

          DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD
          • Path C:\Users\Admin\AppData\Local\Temp\DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD
          • Size 146KB
          • SHA256 d6533671a1940daccd43acc2271f1a74645bb6808fdf2989333d0adbf50d974f
          • MD5 SHA1 SHA512 SSDEEP
          Submit Download

          Open Notebook.onetoc2
          • Path C:\Users\Admin\Documents\OneNote Notebooks\My Notebook\Open Notebook.onetoc2
          • Size 4KB
          • SHA256 5f99219204206770011530eacc36151a0d32e9ecd108c34cea5119ca1a66a175
          • MD5 SHA1 SHA512 SSDEEP
          Submit Download

          fB1SZ2i3X.README.txt
          • Path C:\fB1SZ2i3X.README.txt
          • Size 1KB
          • SHA256 220ce1772c368af23d016f6283f0c0284b4868ec574cb93e38e93fa87555e8e7
          • MD5 SHA1 SHA512
          Submit Download

          DDDDDDDDDDD
          • Path F:\$RECYCLE.BIN\S-1-5-21-1194130065-3471212556-1656947724-1000\DDDDDDDDDDD
          • Size 129B
          • SHA256 c365b9bd73c5b9eda70c8744f7ccd9531954cbbd98f82b43e360fe69918268da
          • MD5 SHA1 SHA512
          Submit Download

          memory/1068-2929-0x00007FF7EECB0000-0x00007FF7EECC0000-memory.dmp
          Download

          memory/1068-2926-0x00007FF7EECB0000-0x00007FF7EECC0000-memory.dmp
          Download

          memory/1068-2928-0x00007FF7EECB0000-0x00007FF7EECC0000-memory.dmp
          Download

          memory/1068-2930-0x00007FF7EECB0000-0x00007FF7EECC0000-memory.dmp
          Download

          memory/1068-2927-0x00007FF7EECB0000-0x00007FF7EECC0000-memory.dmp
          Download

          memory/1068-2959-0x00007FF7EC750000-0x00007FF7EC760000-memory.dmp
          Download

          memory/1068-2960-0x00007FF7EC750000-0x00007FF7EC760000-memory.dmp
          Download

          memory/2364-2909-0x00000000026D0000-0x00000000026E0000-memory.dmp
          Download

          memory/2364-2908-0x00000000026D0000-0x00000000026E0000-memory.dmp
          Download

          memory/2364-2910-0x00000000026D0000-0x00000000026E0000-memory.dmp
          Download

          memory/2364-2-0x00000000026D0000-0x00000000026E0000-memory.dmp
          Download

          memory/2364-0-0x00000000026D0000-0x00000000026E0000-memory.dmp
          Download

          memory/2364-1-0x00000000026D0000-0x00000000026E0000-memory.dmp
          Download