Overview

overview

10

Static

static

10

2024-04-26...de.exe

windows7-x64

9

2024-04-26...de.exe

windows10-2004-x64

9

Analysis

  • max time kernel
    141s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27/04/2024, 00:27

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General

  • Target
    2024-04-26_e5688a4c13bed28637fd22bb920e1b86_darkside.exe
  • Size 194KB
  • Sample240427-arv83sfb52
  • SHA256 2925e11520e3d009f092fada3a10cf9ece1a22388a56d7a4c1571522d9b62af4
  • MD5 SHA1 SHA512 SSDEEP
Score
9/10
ransomwarespywarestealer

Malware Config

Signatures

  • Renames multiple (656) 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 2 TTPs

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

    spywarestealer
  • Drops desktop.ini file(s) 2 IoCs
  • Drops file in System32 directory 4 IoCs
  • Sets desktop wallpaper using registry 2 TTPs 2 IoCs
    ransomware
  • Suspicious use of NtSetInformationThreadHideFromDebugger 5 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • 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\2024-04-26_e5688a4c13bed28637fd22bb920e1b86_darkside.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-04-26_e5688a4c13bed28637fd22bb920e1b86_darkside.exe"
    1⤵
    • Drops desktop.ini file(s)
    • Sets desktop wallpaper using registry
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Modifies Control Panel
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3296
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
      • Drops file in System32 directory
      PID:1452
    • C:\ProgramData\D1E2.tmp
      "C:\ProgramData\D1E2.tmp"
      2⤵
      • Checks computer location settings
      • Deletes itself
      • Executes dropped EXE
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • Suspicious behavior: RenamesItself
      • Suspicious use of WriteProcessMemory
      PID:3248
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /C DEL /F /Q C:\PROGRA~3\D1E2.tmp >> NUL
        3⤵
          PID:5016
    • C:\Windows\system32\svchost.exe
      C:\Windows\system32\svchost.exe -k PrintWorkflow -s PrintWorkflowUserSvc
      1⤵
        PID:820
      • C:\Windows\system32\printfilterpipelinesvc.exe
        C:\Windows\system32\printfilterpipelinesvc.exe -Embedding
        1⤵
        • Drops file in System32 directory
        • Suspicious use of WriteProcessMemory
        PID:1416
        • C:\Program Files\Microsoft Office\root\Office16\ONENOTE.EXE
          /insertdoc "C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\{AE87397B-6E6A-444C-B262-1DF39A2FAA85}.xps" 133586512840720000
          2⤵
          • Checks processor information in registry
          • Enumerates system info in registry
          • Suspicious use of SetWindowsHookEx
          PID:748
      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3992 --field-trial-handle=2280,i,1836084024518340990,18250262151825427757,262144 --variations-seed-version /prefetch:8
        1⤵
          PID:4652

        Network

              MITRE ATT&CK Enterprise v15

              Replay Monitor

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              Downloads

              desktop.ini
              • Path C:\$Recycle.Bin\S-1-5-21-3808065738-1666277613-1125846146-1000\desktop.ini
              • Size 129B
              • SHA256 15713e967672f0713b0cfb1b8813d470fdff3ee6e54e29e3a0dbc43455bc6aba
              • MD5 SHA1 SHA512
              Submit Download

              D1E2.tmp
              • Path C:\ProgramData\D1E2.tmp
              • Size 14KB
              • SHA256 917e115cc403e29b4388e0d175cbfac3e7e40ca1742299fbdb353847db2de7c2
              • MD5 SHA1 SHA512 SSDEEP
              Submit Download

              Qs2QSInbk.README.txt
              • Path C:\Qs2QSInbk.README.txt
              • Size 434B
              • SHA256 6fe668fe8bf69158d1fd08e90f3cff60c1df410bf752635bf152853b6112549c
              • MD5 SHA1 SHA512
              Submit Download

              DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD
              • Path C:\Users\Admin\AppData\Local\Temp\DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD
              • Size 194KB
              • SHA256 4da5ac3f960a9d63dfcc683e657beac8fb8a7223f4f4a157c18707f444cb5062
              • MD5 SHA1 SHA512 SSDEEP
              Submit Download

              {2C36EA22-FC0F-4618-BF96-4CF370E11B93}
              • Path C:\Users\Admin\AppData\Local\Temp\{2C36EA22-FC0F-4618-BF96-4CF370E11B93}
              • Size 4KB
              • SHA256 199b63a8a14b58219d800623088e2bb9ea7d2894c45f1bfcfacee2c73df127bf
              • MD5 SHA1 SHA512 SSDEEP
              Submit Download

              Open Notebook.onetoc2
              • Path C:\Users\Admin\Documents\OneNote Notebooks\My Notebook\Open Notebook.onetoc2
              • Size 4KB
              • SHA256 93191062c8e8a1fab6c19683679d91bb37c5a1d68123aacfc78406435ee4bb08
              • MD5 SHA1 SHA512 SSDEEP
              Submit Download

              DDDDDDDDDDD
              • Path F:\$RECYCLE.BIN\S-1-5-21-3808065738-1666277613-1125846146-1000\DDDDDDDDDDD
              • Size 129B
              • SHA256 b0d6ebadaf753f6e6af8a1861d6e3fb54bb3f894706fde7c952289709147c359
              • MD5 SHA1 SHA512
              Submit Download

              memory/748-2848-0x00007FFD62A90000-0x00007FFD62AA0000-memory.dmp
              Download

              memory/748-2850-0x00007FFD62A90000-0x00007FFD62AA0000-memory.dmp
              Download

              memory/748-2849-0x00007FFD62A90000-0x00007FFD62AA0000-memory.dmp
              Download

              memory/748-2851-0x00007FFD62A90000-0x00007FFD62AA0000-memory.dmp
              Download

              memory/748-2852-0x00007FFD62A90000-0x00007FFD62AA0000-memory.dmp
              Download

              memory/748-2885-0x00007FFD60A30000-0x00007FFD60A40000-memory.dmp
              Download

              memory/748-2886-0x00007FFD60A30000-0x00007FFD60A40000-memory.dmp
              Download

              memory/3296-0-0x0000000002CF0000-0x0000000002D00000-memory.dmp
              Download

              memory/3296-2836-0x0000000002CF0000-0x0000000002D00000-memory.dmp
              Download

              memory/3296-2835-0x0000000002CF0000-0x0000000002D00000-memory.dmp
              Download

              memory/3296-2-0x0000000002CF0000-0x0000000002D00000-memory.dmp
              Download

              memory/3296-1-0x0000000002CF0000-0x0000000002D00000-memory.dmp
              Download