Overview

overview

10

Static

static

10

Document.doc.scr

windows7-x64

9

Document.doc.scr

windows10-2004-x64

9

Resubmissions

25/04/2024, 03:12

240425-dqnpdsee4v 10

Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240412-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25/04/2024, 03:12

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General

  • Target

    Document.doc.scr

  • Size

    194KB

  • MD5

    b7b4c97132d03eead1fa9a9352dee6c2

  • SHA1

    c9eb1bdc528076fa9c91668addf0723294ac1575

  • SHA256

    1ecea8b0bc92378bf2bdd1c14ae1628c573569419b91cc34504d2c3f8bb9f8b2

  • SHA512

    cb0023bc6783a94a27d2d4a67c214e8657fd334d1a94a7dba51277363dee2a67e7ecc5fc0788cead1c4e0e2dc7d9aa758203f89dce162184869d20a44d171903

  • SSDEEP

    3072:v6glyuxE4GsUPnliByocWepXKD0/9Wy1Og/ZK99r:v6gDBGpvEByocWehKD0/EWfg3

Score
9/10
ransomwarespywarestealer

Malware Config

Signatures

  • Renames multiple (602) 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:4124
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
      • Drops file in System32 directory
      PID:1692
    • C:\ProgramData\C0CB.tmp
      "C:\ProgramData\C0CB.tmp"
      2⤵
      • Checks computer location settings
      • Deletes itself
      • Executes dropped EXE
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • Suspicious behavior: RenamesItself
      • Suspicious use of WriteProcessMemory
      PID:1400
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /C DEL /F /Q C:\PROGRA~3\C0CB.tmp >> NUL
        3⤵
          PID:1184
    • C:\Windows\system32\svchost.exe
      C:\Windows\system32\svchost.exe -k PrintWorkflow -s PrintWorkflowUserSvc
      1⤵
        PID:4700
      • C:\Windows\system32\printfilterpipelinesvc.exe
        C:\Windows\system32\printfilterpipelinesvc.exe -Embedding
        1⤵
        • Drops file in System32 directory
        • Suspicious use of WriteProcessMemory
        PID:4388
        • C:\Program Files\Microsoft Office\root\Office16\ONENOTE.EXE
          /insertdoc "C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\{70A7237D-51A5-4ACF-83D9-3E57F6BAF139}.xps" 133584883865320000
          2⤵
          • Checks processor information in registry
          • Enumerates system info in registry
          • Suspicious use of SetWindowsHookEx
          PID:736

      Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

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            Downloads

            • C:\$Recycle.Bin\S-1-5-21-1132431369-515282257-1998160155-1000\BBBBBBBBBBB
              Filesize

              129B

              MD5

              7086871714e2f60f3a6f18be7bb58750

              SHA1

              dce2770ca0b4b5ffb7c9787e3ac20346ca6fcbc9

              SHA256

              b14c429429a32137d387d92860ebaa99d4cb5262571c561879cfdd666c01ffe5

              SHA512

              be72a7f6fd2b7ea007d52abe9ae2ae83b6fc33ddc1d9a821009cb0500dafc8548f8b9b59a7009670e28f7ab7732f804101a05965286c425d37375477e8415cf0

              Download Submit

            • C:\ProgramData\C0CB.tmp
              Filesize

              14KB

              MD5

              294e9f64cb1642dd89229fff0592856b

              SHA1

              97b148c27f3da29ba7b18d6aee8a0db9102f47c9

              SHA256

              917e115cc403e29b4388e0d175cbfac3e7e40ca1742299fbdb353847db2de7c2

              SHA512

              b87d531890bf1577b9b4af41dddb2cdbbfa164cf197bd5987df3a3075983645a3acba443e289b7bfd338422978a104f55298fbfe346872de0895bde44adc89cf

              Download Submit

            • C:\Users\Admin\AppData\Local\Temp\DDDDDDDDDDDDDDDD
              Filesize

              194KB

              MD5

              3002ccecda7f37ae07ac79dc3338e7c7

              SHA1

              cce172484f9520c28fb1c07677c3f49301dcf381

              SHA256

              fd3c0202b425d5951a418910777f82942d35138ae1f8250fa366764cd14a6efe

              SHA512

              dcbc0bf576cbfd4f2151ff6772e74b5b832bdb36f31e7e03ee75f4ef197d0a49aa149b4ce6313973d1f7c28b5fbf9a1225a0d1efd03d7bafd1fd215ca01d4315

              Download Submit

            • C:\Users\Admin\AppData\Local\Temp\{C33203E7-B7D0-45CA-8D28-202754C21CA3}
              Filesize

              4KB

              MD5

              92702d605c96d9b3584f0e3e6bad6a99

              SHA1

              b21b21946b654669841cb86ead42890d7ec419b6

              SHA256

              05aaf7b1fa0d78a905cb0885081e4bea284558508c309fe99d05caa2d3ab62e2

              SHA512

              f54d4bd3f49912e52c23ec4f9c585d9cc58aad72b972b4059463b1dd8a51c646b6c684a1b33571ccaf695c7da570478b1667ae13a5f212effae04cf4bf96480a

              Download Submit

            • C:\Users\Admin\Documents\OneNote Notebooks\My Notebook\Open Notebook.onetoc2
              Filesize

              4KB

              MD5

              88151f3089145fea725cacabc92f6c27

              SHA1

              9cd604e8581c6514224004d81e02df6d613164ca

              SHA256

              a9b6bdc7fd96716fbe57e4d82ece601ff0baeb06dae87e5a54e29e92125e821b

              SHA512

              ed8b299513eec43547f9022ce18e77b99caea68fdb494d93c85f610e0f8da35babd34ac0d363873e0cf9a798e0d69f1860060bf5a0bcd3eb2e5b946dcfd12113

              Download Submit

            • C:\te8ZzuVLn.README.txt
              Filesize

              434B

              MD5

              ad29bd8c66e114ff57c943d16c78f72a

              SHA1

              5ab070ee89a36f38facae4dfc8ec5ce3e59af46e

              SHA256

              6fe668fe8bf69158d1fd08e90f3cff60c1df410bf752635bf152853b6112549c

              SHA512

              a53121e2379aa9c3bc52d073498a54f26383834f6d6636b4b3831010565c80bf0da07511907eab7bd92f9796e559958b1c0ebea4c4b0f0d869e95b7deb5da7f1

              Download Submit

            • F:\$RECYCLE.BIN\S-1-5-21-1132431369-515282257-1998160155-1000\DDDDDDDDDDD
              Filesize

              129B

              MD5

              cd6615b26b18a6241c3639ac8a8155ea

              SHA1

              1401dab7551bbc1dc5ae2717657e777dd0cb2a54

              SHA256

              d78c33e3f69d4d6d877717cdf442faa28ffe228c1aa63bf57c1890649423f1e9

              SHA512

              acb6e66d3b8c577cac3c8de89ebd509d9511c8ef754fd643365bc0bcc9570cd6d12b79e770c32c79357bbc19bc69853eea882e0ecf2f3636fc0cddee676b6cbc

              Download Submit

            • memory/736-2794-0x00007FFD57BB0000-0x00007FFD57DA5000-memory.dmp

              Filesize

              2.0MB

              Download

            • memory/736-2798-0x00007FFD57BB0000-0x00007FFD57DA5000-memory.dmp

              Filesize

              2.0MB

              Download

            • memory/736-2756-0x00007FFD17C30000-0x00007FFD17C40000-memory.dmp

              Filesize

              64KB

              Download

            • memory/736-2763-0x00007FFD17C30000-0x00007FFD17C40000-memory.dmp

              Filesize

              64KB

              Download

            • memory/736-2762-0x00007FFD57BB0000-0x00007FFD57DA5000-memory.dmp

              Filesize

              2.0MB

              Download

            • memory/736-2792-0x00007FFD57BB0000-0x00007FFD57DA5000-memory.dmp

              Filesize

              2.0MB

              Download

            • memory/736-2793-0x00007FFD17C30000-0x00007FFD17C40000-memory.dmp

              Filesize

              64KB

              Download

            • memory/736-2830-0x00007FFD57BB0000-0x00007FFD57DA5000-memory.dmp

              Filesize

              2.0MB

              Download

            • memory/736-2795-0x00007FFD17C30000-0x00007FFD17C40000-memory.dmp

              Filesize

              64KB

              Download

            • memory/736-2796-0x00007FFD57BB0000-0x00007FFD57DA5000-memory.dmp

              Filesize

              2.0MB

              Download

            • memory/736-2797-0x00007FFD57BB0000-0x00007FFD57DA5000-memory.dmp

              Filesize

              2.0MB

              Download

            • memory/736-2760-0x00007FFD17C30000-0x00007FFD17C40000-memory.dmp

              Filesize

              64KB

              Download

            • memory/736-2800-0x00007FFD15B30000-0x00007FFD15B40000-memory.dmp

              Filesize

              64KB

              Download

            • memory/736-2799-0x00007FFD57BB0000-0x00007FFD57DA5000-memory.dmp

              Filesize

              2.0MB

              Download

            • memory/736-2802-0x00007FFD57BB0000-0x00007FFD57DA5000-memory.dmp

              Filesize

              2.0MB

              Download

            • memory/736-2801-0x00007FFD57BB0000-0x00007FFD57DA5000-memory.dmp

              Filesize

              2.0MB

              Download

            • memory/736-2804-0x00007FFD57BB0000-0x00007FFD57DA5000-memory.dmp

              Filesize

              2.0MB

              Download

            • memory/736-2803-0x00007FFD15B30000-0x00007FFD15B40000-memory.dmp

              Filesize

              64KB

              Download

            • memory/736-2805-0x00007FFD57BB0000-0x00007FFD57DA5000-memory.dmp

              Filesize

              2.0MB

              Download

            • memory/4124-2-0x00000000026F0000-0x0000000002700000-memory.dmp

              Filesize

              64KB

              Download

            • memory/4124-1-0x00000000026F0000-0x0000000002700000-memory.dmp

              Filesize

              64KB

              Download

            • memory/4124-0-0x00000000026F0000-0x0000000002700000-memory.dmp

              Filesize

              64KB

              Download