Overview

overview

10

Static

static

10

2024-04-30...de.exe

windows7-x64

9

2024-04-30...de.exe

windows10-2004-x64

9

Analysis

  • max time kernel
    142s
  • 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
    30/04/2024, 00:54

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General

  • Target
    2024-04-30_8bedb9590875f4aa3bef1a878b6fe747_darkside.exe
  • Size 147KB
  • Sample240430-a9lglafd44
  • SHA256 3764fbb6c468fe02c283a4815fad2d365c748efdf20e5e8ac1c424ea4d0885d5
  • MD5 SHA1 SHA512 SSDEEP
Score
9/10
ransomwarespywarestealer

Malware Config

Signatures

  • Renames multiple (614) 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
  • 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
  • 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\2024-04-30_8bedb9590875f4aa3bef1a878b6fe747_darkside.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-04-30_8bedb9590875f4aa3bef1a878b6fe747_darkside.exe"
    1⤵
    • Drops desktop.ini file(s)
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3192
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
      • Drops file in System32 directory
      PID:5004
    • C:\ProgramData\E29C.tmp
      "C:\ProgramData\E29C.tmp"
      2⤵
      • Checks computer location settings
      • Deletes itself
      • Executes dropped EXE
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • Suspicious behavior: RenamesItself
      • Suspicious use of WriteProcessMemory
      PID:2216
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /C DEL /F /Q C:\PROGRA~3\E29C.tmp >> NUL
        3⤵
          PID:1664
    • C:\Windows\system32\svchost.exe
      C:\Windows\system32\svchost.exe -k PrintWorkflow -s PrintWorkflowUserSvc
      1⤵
        PID:1532
      • C:\Windows\system32\printfilterpipelinesvc.exe
        C:\Windows\system32\printfilterpipelinesvc.exe -Embedding
        1⤵
        • Drops file in System32 directory
        • Suspicious use of WriteProcessMemory
        PID:1552
        • C:\Program Files\Microsoft Office\root\Office16\ONENOTE.EXE
          /insertdoc "C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\{24CE81CD-9396-409A-BA8C-D4610FAED597}.xps" 133589121337750000
          2⤵
          • Checks processor information in registry
          • Enumerates system info in registry
          • Suspicious use of SetWindowsHookEx
          PID:3224
      • 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=3748 --field-trial-handle=3192,i,2785050981002401924,4037047756083432660,262144 --variations-seed-version /prefetch:8
        1⤵
          PID:2668

        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 892670ab67eecfaaad6e30481ae8c47db3faf44cae3516d49b802cf4ca72dfcf
              • MD5 SHA1 SHA512
              Submit Download

              NRsxLTEra.README.txt
              • Path C:\NRsxLTEra.README.txt
              • Size 1KB
              • SHA256 839593928021bd3600927eb3913f8fcd1d26345865de833e42c59341654c6422
              • MD5 SHA1 SHA512
              Submit Download

              E29C.tmp
              • Path C:\ProgramData\E29C.tmp
              • Size 14KB
              • SHA256 917e115cc403e29b4388e0d175cbfac3e7e40ca1742299fbdb353847db2de7c2
              • MD5 SHA1 SHA512 SSDEEP
              Submit Download

              DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD
              • Path C:\Users\Admin\AppData\Local\Temp\DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD
              • Size 147KB
              • SHA256 ff8c2c63fda686d75decbeefb612a4fd32d6f9a311cd2667fed8cf60ab47b057
              • MD5 SHA1 SHA512 SSDEEP
              Submit Download

              {A9B7A005-26A5-4C33-A9DB-F8BE5A50DB1B}
              • Path C:\Users\Admin\AppData\Local\Temp\{A9B7A005-26A5-4C33-A9DB-F8BE5A50DB1B}
              • Size 4KB
              • SHA256 697f51b8a7fad7ba36cc2fc2449f7d357b9176aa0e76533b589523f14c3ae907
              • MD5 SHA1 SHA512 SSDEEP
              Submit Download

              Open Notebook.onetoc2
              • Path C:\Users\Admin\Documents\OneNote Notebooks\My Notebook\Open Notebook.onetoc2
              • Size 4KB
              • SHA256 9bf8f907e9021d36ac58716b5b3e611ea4047597b03a77a5ad5549846def9760
              • MD5 SHA1 SHA512 SSDEEP
              Submit Download

              DDDDDDDDDDD
              • Path F:\$RECYCLE.BIN\S-1-5-21-3808065738-1666277613-1125846146-1000\DDDDDDDDDDD
              • Size 129B
              • SHA256 83797f11ad627313186b9183459ad48b96b97038d074d519d03a8e9c8a8a4648
              • MD5 SHA1 SHA512
              Submit Download

              memory/3192-1-0x0000000003430000-0x0000000003440000-memory.dmp
              Download

              memory/3192-0-0x0000000003430000-0x0000000003440000-memory.dmp
              Download

              memory/3192-2792-0x0000000003430000-0x0000000003440000-memory.dmp
              Download

              memory/3192-2794-0x0000000003430000-0x0000000003440000-memory.dmp
              Download

              memory/3192-2793-0x0000000003430000-0x0000000003440000-memory.dmp
              Download

              memory/3192-2-0x0000000003430000-0x0000000003440000-memory.dmp
              Download

              memory/3224-2808-0x00007FFEB60F0000-0x00007FFEB6100000-memory.dmp
              Download

              memory/3224-2809-0x00007FFEB60F0000-0x00007FFEB6100000-memory.dmp
              Download

              memory/3224-2806-0x00007FFEB60F0000-0x00007FFEB6100000-memory.dmp
              Download

              memory/3224-2842-0x00007FFEB3C20000-0x00007FFEB3C30000-memory.dmp
              Download

              memory/3224-2843-0x00007FFEB3C20000-0x00007FFEB3C30000-memory.dmp
              Download

              memory/3224-2807-0x00007FFEB60F0000-0x00007FFEB6100000-memory.dmp
              Download

              memory/3224-2805-0x00007FFEB60F0000-0x00007FFEB6100000-memory.dmp
              Download