Overview

overview

10

Static

static

10

2024-04-24...de.exe

windows7-x64

9

2024-04-24...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
    24/04/2024, 11:28

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General

  • Target
    2024-04-24_ae811bd6440b425e6777f0ca001a9743_darkside.exe
  • Size 194KB
  • Sample240424-nkzvkshc83
  • SHA256 86e17aa882c690ede284f3e445439dfe589d8f36e31cbc09d102305499d5c498
  • MD5 SHA1 SHA512 SSDEEP
Score
9/10
ransomwarespywarestealer

Malware Config

Signatures

  • Renames multiple (625) 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\2024-04-24_ae811bd6440b425e6777f0ca001a9743_darkside.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-04-24_ae811bd6440b425e6777f0ca001a9743_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:4140
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
      • Drops file in System32 directory
      PID:1972
    • C:\ProgramData\B969.tmp
      "C:\ProgramData\B969.tmp"
      2⤵
      • Checks computer location settings
      • Deletes itself
      • Executes dropped EXE
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • Suspicious behavior: RenamesItself
      • Suspicious use of WriteProcessMemory
      PID:8
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /C DEL /F /Q C:\PROGRA~3\B969.tmp >> NUL
        3⤵
          PID:2188
    • C:\Windows\system32\svchost.exe
      C:\Windows\system32\svchost.exe -k PrintWorkflow -s PrintWorkflowUserSvc
      1⤵
        PID:2204
      • C:\Windows\system32\printfilterpipelinesvc.exe
        C:\Windows\system32\printfilterpipelinesvc.exe -Embedding
        1⤵
        • Drops file in System32 directory
        • Suspicious use of WriteProcessMemory
        PID:3556
        • C:\Program Files\Microsoft Office\root\Office16\ONENOTE.EXE
          /insertdoc "C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\{9867419E-9D5A-47BE-A4E2-04677205B17C}.xps" 133584317293790000
          2⤵
          • Checks processor information in registry
          • Enumerates system info in registry
          • Suspicious use of SetWindowsHookEx
          PID:2304
      • 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=3716 --field-trial-handle=2252,i,16504368816373493055,9578615028378602855,262144 --variations-seed-version /prefetch:8
        1⤵
          PID:1680

        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 34184bda6f5328f2a2ada5ad4fa71053ea0565e749de6b7c93282262fc1694d5
              • MD5 SHA1 SHA512
              Submit Download

              B969.tmp
              • Path C:\ProgramData\B969.tmp
              • Size 14KB
              • SHA256 917e115cc403e29b4388e0d175cbfac3e7e40ca1742299fbdb353847db2de7c2
              • MD5 SHA1 SHA512 SSDEEP
              Submit Download

              DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD
              • Path C:\Users\Admin\AppData\Local\Temp\DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD
              • Size 194KB
              • SHA256 5e81d14131ccfa74bfc4b57cb75c9d6b3a109cc6790294176b2a45709fc24da0
              • MD5 SHA1 SHA512 SSDEEP
              Submit Download

              {2D23697B-07D9-40D5-8E31-C15B582C8E1A}
              • Path C:\Users\Admin\AppData\Local\Temp\{2D23697B-07D9-40D5-8E31-C15B582C8E1A}
              • Size 4KB
              • SHA256 ab80933b811abac720b11a7c76c258312f07600f1c0be7e32084d495ea9359c0
              • MD5 SHA1 SHA512 SSDEEP
              Submit Download

              Open Notebook.onetoc2
              • Path C:\Users\Admin\Documents\OneNote Notebooks\My Notebook\Open Notebook.onetoc2
              • Size 4KB
              • SHA256 6404c582ce961e576ce6e7c9c36d2ede641313c208661188d04517fbfad00ece
              • MD5 SHA1 SHA512 SSDEEP
              Submit Download

              kZd6jLIwz.README.txt
              • Path C:\kZd6jLIwz.README.txt
              • Size 449B
              • SHA256 c25759e6083dd4bf592a6da2063c45def5adc9a6ef2ed15820128a0d838f70fe
              • MD5 SHA1 SHA512
              Submit Download

              BBBBBBBBBBB
              • Path F:\$RECYCLE.BIN\S-1-5-21-3808065738-1666277613-1125846146-1000\BBBBBBBBBBB
              • Size 129B
              • SHA256 eea2d0f74b9b577a485a2dd07b93ac7fd67d4805efb18a43f3effeaa261bea48
              • MD5 SHA1 SHA512
              Submit Download

              memory/8-2873-0x000000007FE40000-0x000000007FE41000-memory.dmp
              Download

              memory/8-2869-0x000000007FDE0000-0x000000007FDE1000-memory.dmp
              Download

              memory/8-2868-0x000000007FDC0000-0x000000007FDC1000-memory.dmp
              Download

              memory/8-2867-0x000000007FE20000-0x000000007FE21000-memory.dmp
              Download

              memory/8-2866-0x00000000025B0000-0x00000000025C0000-memory.dmp
              Download

              memory/8-2865-0x00000000025B0000-0x00000000025C0000-memory.dmp
              Download

              memory/8-2870-0x000000007FE00000-0x000000007FE01000-memory.dmp
              Download

              memory/2304-2820-0x00007FFC6DD70000-0x00007FFC6DF65000-memory.dmp
              Download

              memory/2304-2822-0x00007FFC6DD70000-0x00007FFC6DF65000-memory.dmp
              Download

              memory/2304-2825-0x00007FFC6DD70000-0x00007FFC6DF65000-memory.dmp
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              memory/2304-2826-0x00007FFC6DD70000-0x00007FFC6DF65000-memory.dmp
              Download

              memory/2304-2829-0x00007FFC6DD70000-0x00007FFC6DF65000-memory.dmp
              Download

              memory/2304-2824-0x00007FFC2DDF0000-0x00007FFC2DE00000-memory.dmp
              Download

              memory/2304-2832-0x00007FFC6DD70000-0x00007FFC6DF65000-memory.dmp
              Download

              memory/2304-2833-0x00007FFC6DD70000-0x00007FFC6DF65000-memory.dmp
              Download

              memory/2304-2834-0x00007FFC6DD70000-0x00007FFC6DF65000-memory.dmp
              Download

              memory/2304-2835-0x00007FFC6DD70000-0x00007FFC6DF65000-memory.dmp
              Download

              memory/2304-2836-0x00007FFC6DD70000-0x00007FFC6DF65000-memory.dmp
              Download

              memory/2304-2823-0x00007FFC6DD70000-0x00007FFC6DF65000-memory.dmp
              Download

              memory/2304-2821-0x00007FFC2DDF0000-0x00007FFC2DE00000-memory.dmp
              Download

              memory/2304-2819-0x00007FFC2DDF0000-0x00007FFC2DE00000-memory.dmp
              Download

              memory/2304-2899-0x00007FFC6DD70000-0x00007FFC6DF65000-memory.dmp
              Download

              memory/2304-2818-0x00007FFC2DDF0000-0x00007FFC2DE00000-memory.dmp
              Download

              memory/2304-2817-0x00007FFC2DDF0000-0x00007FFC2DE00000-memory.dmp
              Download

              memory/2304-2898-0x00007FFC6DD70000-0x00007FFC6DF65000-memory.dmp
              Download

              memory/2304-2871-0x00007FFC2B8E0000-0x00007FFC2B8F0000-memory.dmp
              Download

              memory/2304-2872-0x00007FFC6DD70000-0x00007FFC6DF65000-memory.dmp
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              memory/2304-2874-0x00007FFC2B8E0000-0x00007FFC2B8F0000-memory.dmp
              Download

              memory/4140-2804-0x0000000002D80000-0x0000000002D90000-memory.dmp
              Download

              memory/4140-2803-0x0000000002D80000-0x0000000002D90000-memory.dmp
              Download

              memory/4140-1-0x0000000002D80000-0x0000000002D90000-memory.dmp
              Download

              memory/4140-2805-0x0000000002D80000-0x0000000002D90000-memory.dmp
              Download

              memory/4140-0-0x0000000002D80000-0x0000000002D90000-memory.dmp
              Download