Overview

overview

10

Static

static

10

2024090220...de.exe

windows7-x64

9

2024090220...de.exe

windows10-2004-x64

9

Analysis

  • max time kernel
    145s
  • max time network
    139s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02-09-2024 08:35

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General

  • Target

    2024090220b0043ff680ffd554923069b7150b6adarkside.exe

  • Size

    147KB

  • MD5

    20b0043ff680ffd554923069b7150b6a

  • SHA1

    5f5caf42e317e617994069453fb1c8d86fd2f1ee

  • SHA256

    879e3a5051e3d56eaac8056e91dd8dcd11433198c0fc40866bf074c16f333ded

  • SHA512

    a0757ad09a010d4ba7f3b5558e0e232c1faf3ca4e7b83d343150beee2b5341b767cbaaf4a17d9f3bb0e8f76b9a20f9fddf05c37ff3cdbfb28168dcdff160da44

  • SSDEEP

    3072:x6glyuxE4GsUPnliByocWepFsvLGJJC0iohCI:x6gDBGpvEByocWe3svLMJhr

Score
9/10
defense_evasiondiscoveryransomwarespywarestealer

Malware Config

Signatures

  • Renames multiple (597) 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
  • Indicator Removal: File Deletion 1 TTPs

    Adversaries may delete files left behind by the actions of their intrusion activity.

    defense_evasion
  • 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).

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

    discovery
  • 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\2024090220b0043ff680ffd554923069b7150b6adarkside.exe
    "C:\Users\Admin\AppData\Local\Temp\2024090220b0043ff680ffd554923069b7150b6adarkside.exe"
    1⤵
    • Drops desktop.ini file(s)
    • Sets desktop wallpaper using registry
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • System Location Discovery: System Language Discovery
    • Modifies Control Panel
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2216
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
      • Drops file in System32 directory
      PID:5036
    • C:\ProgramData\FE85.tmp
      "C:\ProgramData\FE85.tmp"
      2⤵
      • Checks computer location settings
      • Deletes itself
      • Executes dropped EXE
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: RenamesItself
      • Suspicious use of WriteProcessMemory
      PID:4176
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /C DEL /F /Q C:\PROGRA~3\FE85.tmp >> NUL
        3⤵
        • System Location Discovery: System Language Discovery
        PID:532
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k PrintWorkflow -s PrintWorkflowUserSvc
    1⤵
      PID:2784
    • C:\Windows\system32\printfilterpipelinesvc.exe
      C:\Windows\system32\printfilterpipelinesvc.exe -Embedding
      1⤵
      • Drops file in System32 directory
      • Suspicious use of WriteProcessMemory
      PID:4528
      • C:\Program Files\Microsoft Office\root\Office16\ONENOTE.EXE
        /insertdoc "C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\{95D2DFED-A8A6-47CC-991B-18CE84945A38}.xps" 133697397652120000
        2⤵
        • Checks processor information in registry
        • Enumerates system info in registry
        • Suspicious use of SetWindowsHookEx
        PID:4916

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\$Recycle.Bin\S-1-5-21-2392887640-1187051047-2909758433-1000\OOOOOOOOOOO
      Filesize

      129B

      MD5

      5f7a6259b6a00de70519e83886eac52a

      SHA1

      3126bc2b47f3555e553b6b9ba40257c19d8c7f48

      SHA256

      078ead5a7ac95007677cea0c8d52f6a12a26705d1434422c535bfbd023c41ea9

      SHA512

      eaf94146fc50a4ff5a69e998e74efb62e4dc00f2e3067386168931dafec0292830ed17c2dd87eed27b061a9e7c49bbe4442581344eaf7dd359b25e29a1777485

      Download Submit

    • C:\N7prImOYL.README.txt
      Filesize

      1KB

      MD5

      f85801533c317ea9eaebe2a49a3a8eac

      SHA1

      bb69bd97d68aaec2d3ce5c6d895322374dc3ead1

      SHA256

      45dbe45beb75f80f6e34bd00a7bd35970ded5acbbe2b4465884c9853e2b87e5b

      SHA512

      c049ecfb09322a3439a5f6e2b463d60f9910a8ecc2e73754460153109eb630c06018bebaaea00c7db262e9d5756cc45835e803efc4caab9c961401107a0dd4c4

      Download Submit

    • C:\ProgramData\FE85.tmp
      Filesize

      14KB

      MD5

      294e9f64cb1642dd89229fff0592856b

      SHA1

      97b148c27f3da29ba7b18d6aee8a0db9102f47c9

      SHA256

      917e115cc403e29b4388e0d175cbfac3e7e40ca1742299fbdb353847db2de7c2

      SHA512

      b87d531890bf1577b9b4af41dddb2cdbbfa164cf197bd5987df3a3075983645a3acba443e289b7bfd338422978a104f55298fbfe346872de0895bde44adc89cf

      Download Submit

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

      147KB

      MD5

      75a9b8955bbf12a1d8ad004394824e2b

      SHA1

      ebeace7ae42491f6b1287fd399f1cfa1333020a1

      SHA256

      d19efbe30469ae7e538a42ea809612c4930a0e2d8f8f72e9b358896499e0ec5c

      SHA512

      6e75014785acd19cd118b1af0c5e4d45563da98e0746cdfc5da2a2def13107a1a4e27dcfb4a01ebd5e4bbc07ea6094bffd8a4e59a4df7d02ad300c32649bae59

      Download Submit

    • C:\Users\Admin\AppData\Local\Temp\{073713CF-862D-460C-B4EB-FD5A0BF235C7}
      Filesize

      4KB

      MD5

      5298e227bc02c4e99ab3869d811525b3

      SHA1

      87edae80f525ca4a17e8e5c83b451871515cc58a

      SHA256

      424d2921935da5d44318572e42fd2f5ab0419fd099558be7220d21b2eeb7cced

      SHA512

      ea7494382df615e743f9501a4efdf695d5700216a665a740e11ac0ad717de93a684852f4a9929959dd4b9c156f6656b3c1288053cd06a570a934b97047fc365b

      Download Submit

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

      4KB

      MD5

      3e0402cfab66c11c304db34b8d247798

      SHA1

      0fafaa3f8798aaac9f575a96d62da7180e94531d

      SHA256

      0921077d37391490414521995b66a7b0797093939c39faf26ee6f1bfebf8d362

      SHA512

      eff3148525c099cd6f6ffab654b7944038229a0e0c4c2e35e2b9f66446acedd684bf84111efe4bcfd4a6e676781dd0ea171266dd443b85182009dd5f2e8f753a

      Download Submit

    • F:\$RECYCLE.BIN\S-1-5-21-2392887640-1187051047-2909758433-1000\DDDDDDDDDDD
      Filesize

      129B

      MD5

      a35d4d773979b57bd2323cf9b3cb5333

      SHA1

      fdc0023ebc16f50ecc9a18a111a3471da082c14b

      SHA256

      fa3de1b6f2cb0f4c0542fd254bbf8b114a57918148ff283fdbcfa68bc3ff6e10

      SHA512

      a5fc076ecdeb387244c17cf5a3cf0c1fa01a5e1b959038ef1248e0ee97d47ed2db837a0d500e1efd1958f9d4eb61461428e07bbedaac58e4ca9eb0f19ec1d9d6

      Download Submit

    • memory/2216-0-0x0000000003170000-0x0000000003180000-memory.dmp

      Filesize

      64KB

      Download

    • memory/2216-2-0x0000000003170000-0x0000000003180000-memory.dmp

      Filesize

      64KB

      Download

    • memory/2216-2974-0x0000000003170000-0x0000000003180000-memory.dmp

      Filesize

      64KB

      Download

    • memory/2216-1-0x0000000003170000-0x0000000003180000-memory.dmp

      Filesize

      64KB

      Download

    • memory/4916-2988-0x00007FFCCAFB0000-0x00007FFCCAFC0000-memory.dmp

      Filesize

      64KB

      Download

    • memory/4916-2987-0x00007FFCCAFB0000-0x00007FFCCAFC0000-memory.dmp

      Filesize

      64KB

      Download

    • memory/4916-2990-0x00007FFCCAFB0000-0x00007FFCCAFC0000-memory.dmp

      Filesize

      64KB

      Download

    • memory/4916-2991-0x00007FFCCAFB0000-0x00007FFCCAFC0000-memory.dmp

      Filesize

      64KB

      Download

    • memory/4916-2986-0x00007FFCCAFB0000-0x00007FFCCAFC0000-memory.dmp

      Filesize

      64KB

      Download

    • memory/4916-3023-0x00007FFCC8650000-0x00007FFCC8660000-memory.dmp

      Filesize

      64KB

      Download

    • memory/4916-3024-0x00007FFCC8650000-0x00007FFCC8660000-memory.dmp

      Filesize

      64KB

      Download