Overview

overview

10

Static

static

10

Document.doc.scr

windows7-x64

9

Document.doc.scr

windows10-2004-x64

9

Resubmissions

30/04/2024, 10:29

240430-mjb7fshh7410

26/04/2024, 02:29

240426-cytpyahd2310

26/04/2024, 02:23

240426-cvm3zshc8210

25/04/2024, 03:51

240425-eekn2aeg3910

Analysis

  • max time kernel
    142s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25/04/2024, 03:51

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General

  • Target
    Document.doc.scr
  • Size 194KB
  • Sample240425-eekn2aeg39
  • SHA256 062683257386c9e41a1cd1493f029d817445c37f7c65386d54122fa466419ce1
  • MD5 SHA1 SHA512 SSDEEP
Score
9/10
ransomwarespywarestealer

Malware Config

Signatures

  • Renames multiple (633) 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\Document.doc.scr
    "C:\Users\Admin\AppData\Local\Temp\Document.doc.scr" /S
    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:4752
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
      • Drops file in System32 directory
      PID:2256
    • C:\ProgramData\E309.tmp
      "C:\ProgramData\E309.tmp"
      2⤵
      • Checks computer location settings
      • Deletes itself
      • Executes dropped EXE
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • Suspicious behavior: RenamesItself
      • Suspicious use of WriteProcessMemory
      PID:4124
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /C DEL /F /Q C:\PROGRA~3\E309.tmp >> NUL
        3⤵
          PID:416
    • C:\Windows\system32\svchost.exe
      C:\Windows\system32\svchost.exe -k PrintWorkflow -s PrintWorkflowUserSvc
      1⤵
        PID:1256
      • 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=4104 --field-trial-handle=2280,i,11703952675008463361,17436195144517971517,262144 --variations-seed-version /prefetch:8
        1⤵
          PID:1836
        • C:\Windows\system32\printfilterpipelinesvc.exe
          C:\Windows\system32\printfilterpipelinesvc.exe -Embedding
          1⤵
          • Drops file in System32 directory
          • Suspicious use of WriteProcessMemory
          PID:4620
          • C:\Program Files\Microsoft Office\root\Office16\ONENOTE.EXE
            /insertdoc "C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\{6D39DAD5-B508-416B-A129-EC35AA85B767}.xps" 133584907266090000
            2⤵
            • Checks processor information in registry
            • Enumerates system info in registry
            • Suspicious use of SetWindowsHookEx
            PID:4412

        Network

              MITRE ATT&CK Enterprise v15

              Replay Monitor

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              Downloads

              GGGGGGGGGGG
              • Path C:\$Recycle.Bin\S-1-5-21-3808065738-1666277613-1125846146-1000\GGGGGGGGGGG
              • Size 129B
              • SHA256 e1f330583a50491edc0df8e64ce18cd29f408a67c3ea270a7418ebce8794564a
              • MD5 SHA1 SHA512
              Submit Download

              E309.tmp
              • Path C:\ProgramData\E309.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

              DDDDDDDDDDDDDDDD
              • Path C:\Users\Admin\AppData\Local\Temp\DDDDDDDDDDDDDDDD
              • Size 194KB
              • SHA256 0d404444529f3d86766d5278cc842fa6330698fa8f73b0fbcd526fd3c492dfe9
              • MD5 SHA1 SHA512 SSDEEP
              Submit Download

              {350F9295-C01B-4D5F-B15A-FC92685DB604}
              • Path C:\Users\Admin\AppData\Local\Temp\{350F9295-C01B-4D5F-B15A-FC92685DB604}
              • Size 4KB
              • SHA256 d17b3d367a2df116e3b37b26c7360fee1bc9f43269f5e8156b049a030f5f67f3
              • MD5 SHA1 SHA512 SSDEEP
              Submit Download

              Open Notebook.onetoc2
              • Path C:\Users\Admin\Documents\OneNote Notebooks\My Notebook\Open Notebook.onetoc2
              • Size 4KB
              • SHA256 80b093c9d0e1f02febfc63ff9ede9a4bb72df7aedcef05a7f254a7236d84c7a6
              • MD5 SHA1 SHA512 SSDEEP
              Submit Download

              EEEEEEEEEEE
              • Path F:\$RECYCLE.BIN\S-1-5-21-3808065738-1666277613-1125846146-1000\EEEEEEEEEEE
              • Size 129B
              • SHA256 4bb41c7afc506915455853c08473b5d105bfabf1b70429c0671bedda11f55253
              • MD5 SHA1 SHA512
              Submit Download

              memory/4124-2872-0x00000000022F0000-0x0000000002300000-memory.dmp
              Download

              memory/4124-2876-0x000000007FE40000-0x000000007FE41000-memory.dmp
              Download

              memory/4124-2877-0x000000007FE00000-0x000000007FE01000-memory.dmp
              Download

              memory/4124-2873-0x000000007FE20000-0x000000007FE21000-memory.dmp
              Download

              memory/4124-2874-0x000000007FDC0000-0x000000007FDC1000-memory.dmp
              Download

              memory/4124-2875-0x000000007FDE0000-0x000000007FDE1000-memory.dmp
              Download

              memory/4124-2871-0x00000000022F0000-0x0000000002300000-memory.dmp
              Download

              memory/4412-2826-0x00007FFE4D550000-0x00007FFE4D560000-memory.dmp
              Download

              memory/4412-2827-0x00007FFE4D550000-0x00007FFE4D560000-memory.dmp
              Download

              memory/4412-2837-0x00007FFE4D550000-0x00007FFE4D560000-memory.dmp
              Download

              memory/4412-2839-0x00007FFE8D4D0000-0x00007FFE8D6C5000-memory.dmp
              Download

              memory/4412-2838-0x00007FFE8D4D0000-0x00007FFE8D6C5000-memory.dmp
              Download

              memory/4412-2840-0x00007FFE8D4D0000-0x00007FFE8D6C5000-memory.dmp
              Download

              memory/4412-2831-0x00007FFE8D4D0000-0x00007FFE8D6C5000-memory.dmp
              Download

              memory/4412-2870-0x00007FFE8D4D0000-0x00007FFE8D6C5000-memory.dmp
              Download

              memory/4412-2869-0x00007FFE8D4D0000-0x00007FFE8D6C5000-memory.dmp
              Download

              memory/4412-2836-0x00007FFE8D4D0000-0x00007FFE8D6C5000-memory.dmp
              Download

              memory/4412-2829-0x00007FFE4D550000-0x00007FFE4D560000-memory.dmp
              Download

              memory/4412-2830-0x00007FFE4D550000-0x00007FFE4D560000-memory.dmp
              Download

              memory/4412-2828-0x00007FFE8D4D0000-0x00007FFE8D6C5000-memory.dmp
              Download

              memory/4412-2902-0x00007FFE8D4D0000-0x00007FFE8D6C5000-memory.dmp
              Download

              memory/4412-2901-0x00007FFE8D4D0000-0x00007FFE8D6C5000-memory.dmp
              Download

              memory/4412-2879-0x00007FFE4ACF0000-0x00007FFE4AD00000-memory.dmp
              Download

              memory/4412-2878-0x00007FFE4ACF0000-0x00007FFE4AD00000-memory.dmp
              Download

              memory/4752-2812-0x0000000003390000-0x00000000033A0000-memory.dmp
              Download

              memory/4752-2813-0x0000000003390000-0x00000000033A0000-memory.dmp
              Download

              memory/4752-2-0x0000000003390000-0x00000000033A0000-memory.dmp
              Download

              memory/4752-1-0x0000000003390000-0x00000000033A0000-memory.dmp
              Download

              memory/4752-2814-0x0000000003390000-0x00000000033A0000-memory.dmp
              Download

              memory/4752-0-0x0000000003390000-0x00000000033A0000-memory.dmp
              Download