Overview

overview

10

Static

static

10

2024-05-07...de.exe

windows7-x64

9

2024-05-07...de.exe

windows10-2004-x64

9

Analysis

  • max time kernel
    145s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240419-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07/05/2024, 10:44

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General

  • Target
    2024-05-07_12450f3dba7ad4bb8f8fa4988011b913_darkside.exe
  • Size 147KB
  • Sample240507-mstg4afc52
  • SHA256 cd727c8fc0303b9a77641cc43061fa6ae9de3a0af40fd525c4a745c1dcdd5965
  • MD5 SHA1 SHA512 SSDEEP
Score
9/10
ransomware

Malware Config

Signatures

  • Renames multiple (158) 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
  • Drops desktop.ini file(s) 2 IoCs
  • Drops file in System32 directory 4 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 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 14 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\2024-05-07_12450f3dba7ad4bb8f8fa4988011b913_darkside.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-05-07_12450f3dba7ad4bb8f8fa4988011b913_darkside.exe"
    1⤵
    • Drops desktop.ini file(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4572
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
      • Drops file in System32 directory
      PID:244
    • C:\ProgramData\7020.tmp
      "C:\ProgramData\7020.tmp"
      2⤵
      • Checks computer location settings
      • Deletes itself
      • Executes dropped EXE
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • Suspicious behavior: RenamesItself
      • Suspicious use of WriteProcessMemory
      PID:3352
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /C DEL /F /Q C:\PROGRA~3\7020.tmp >> NUL
        3⤵
          PID:3412
    • C:\Windows\system32\svchost.exe
      C:\Windows\system32\svchost.exe -k PrintWorkflow -s PrintWorkflowUserSvc
      1⤵
        PID:4132
      • C:\Windows\system32\printfilterpipelinesvc.exe
        C:\Windows\system32\printfilterpipelinesvc.exe -Embedding
        1⤵
        • Drops file in System32 directory
        • Suspicious use of WriteProcessMemory
        PID:1824
        • C:\Program Files\Microsoft Office\root\Office16\ONENOTE.EXE
          /insertdoc "C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\{3446A552-E48A-4408-B139-C5FDB21C5452}.xps" 133595522549340000
          2⤵
          • Checks processor information in registry
          • Enumerates system info in registry
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of SetWindowsHookEx
          PID:5072

      Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

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            Downloads

            OOOOOOOOOOO
            • Path C:\$Recycle.Bin\S-1-5-21-2860750803-256193626-1801997576-1000\OOOOOOOOOOO
            • Size 129B
            • SHA256 804dcc93374723022c317e4cdcda2d37125063d0aab09322840e454a117aa893
            • MD5 SHA1 SHA512
            Submit Download

            7020.tmp
            • Path C:\ProgramData\7020.tmp
            • Size 14KB
            • SHA256 917e115cc403e29b4388e0d175cbfac3e7e40ca1742299fbdb353847db2de7c2
            • MD5 SHA1 SHA512 SSDEEP
            Submit Download

            2024-05-07_12450f3dba7ad4bb8f8fa4988011b913_darkside.exe
            • Path C:\Users\Admin\AppData\Local\Temp\2024-05-07_12450f3dba7ad4bb8f8fa4988011b913_darkside.exe
            • Size 147KB
            • SHA256 2672d3d6df73dee4227e8f65a225d1e8d3d838b7712c3fc2e21613212f55f84c
            • MD5 SHA1 SHA512 SSDEEP
            Submit Download

            {70435D5C-09D8-4771-AA99-EE4AD1B59DA1}
            • Path C:\Users\Admin\AppData\Local\Temp\{70435D5C-09D8-4771-AA99-EE4AD1B59DA1}
            • Size 4KB
            • SHA256 f6322c753e777658e12bbdec5147d4bca17b35bd7b71a9d2d67c75771faf2479
            • MD5 SHA1 SHA512 SSDEEP
            Submit Download

            Open Notebook.onetoc2
            • Path C:\Users\Admin\Documents\OneNote Notebooks\My Notebook\Open Notebook.onetoc2
            • Size 4KB
            • SHA256 a2b815f812604a37ac626eefd9cf58f2e4f06071fb2143e86a9b920043dc1923
            • MD5 SHA1 SHA512 SSDEEP
            Submit Download

            wQbYPVKs0.README.txt
            • Path C:\wQbYPVKs0.README.txt
            • Size 1KB
            • SHA256 484b2e44de4683c20f2c34218c52eb0f3dff2477c40bf9b252d3d7f02e08724b
            • MD5 SHA1 SHA512
            Submit Download

            DDDDDDDDDDD
            • Path F:\$RECYCLE.BIN\S-1-5-21-2860750803-256193626-1801997576-1000\DDDDDDDDDDD
            • Size 129B
            • SHA256 0cc9e380672d50582fe6c02ba15dc5ac0af5a038b9241014496b53f4143c0560
            • MD5 SHA1 SHA512
            Submit Download

            memory/4572-38-0x00000000027B0000-0x00000000027C0000-memory.dmp
            Download

            memory/4572-0-0x00000000027B0000-0x00000000027C0000-memory.dmp
            Download

            memory/4572-48-0x00000000027B0000-0x00000000027C0000-memory.dmp
            Download

            memory/5072-327-0x00007FFC729D0000-0x00007FFC729E0000-memory.dmp
            Download

            memory/5072-346-0x00007FFC729D0000-0x00007FFC729E0000-memory.dmp
            Download

            memory/5072-345-0x00007FFC729D0000-0x00007FFC729E0000-memory.dmp
            Download

            memory/5072-353-0x00007FFC729D0000-0x00007FFC729E0000-memory.dmp
            Download

            memory/5072-354-0x00007FFC729D0000-0x00007FFC729E0000-memory.dmp
            Download

            memory/5072-355-0x00007FFC70670000-0x00007FFC70680000-memory.dmp
            Download

            memory/5072-356-0x00007FFC70670000-0x00007FFC70680000-memory.dmp
            Download