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Overview

overview

10

Static

static

10

2024-09-02...de.exe

windows11-21h2-x64

9

Resubmissions

02/09/2024, 06:45

240902-hh76aavbjj 10

02/09/2024, 06:24

240902-g6hpvsvfla 10

Analysis

  • max time kernel
    147s
  • max time network
    151s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240802-en
  • resource tags

    arch:x64arch:x86image:win11-20240802-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    02/09/2024, 06:45

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General

  • Target

    2024-09-02_20b0043ff680ffd554923069b7150b6a_darkside.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 (590) files with added filename extension

    This suggests ransomware activity of encrypting all the files on the system.

    ransomware
  • 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 6 IoCs
  • Opens file in notepad (likely ransom note) 1 IoCs
    ransomware
  • Suspicious behavior: AddClipboardFormatListener 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: RenamesItself 26 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of SetWindowsHookEx 15 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-09-02_20b0043ff680ffd554923069b7150b6a_darkside.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-09-02_20b0043ff680ffd554923069b7150b6a_darkside.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:3256
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
      • Drops file in System32 directory
      PID:1308
    • C:\ProgramData\D7A4.tmp
      "C:\ProgramData\D7A4.tmp"
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: RenamesItself
      • Suspicious use of WriteProcessMemory
      PID:1436
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /C DEL /F /Q C:\PROGRA~3\D7A4.tmp >> NUL
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2788
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k PrintWorkflow -s PrintWorkflowUserSvc
    1⤵
      PID:1220
    • C:\Windows\system32\printfilterpipelinesvc.exe
      C:\Windows\system32\printfilterpipelinesvc.exe -Embedding
      1⤵
      • Drops file in System32 directory
      • Suspicious use of WriteProcessMemory
      PID:2024
      • C:\Program Files\Microsoft Office\root\Office16\ONENOTE.EXE
        /insertdoc "C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\{82C3DE6D-5166-4D72-8444-8F8BB16A805A}.xps" 133697331358940000
        2⤵
        • Checks processor information in registry
        • Enumerates system info in registry
        • Suspicious behavior: AddClipboardFormatListener
        • Suspicious use of SetWindowsHookEx
        PID:232
    • C:\Windows\system32\NOTEPAD.EXE
      "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\Desktop\N7prImOYL.README.txt
      1⤵
      • Opens file in notepad (likely ransom note)
      PID:1500
    • C:\Windows\system32\OpenWith.exe
      C:\Windows\system32\OpenWith.exe -Embedding
      1⤵
      • Modifies registry class
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of SetWindowsHookEx
      PID:4492

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\$Recycle.Bin\S-1-5-21-4272559161-3282441186-401869126-1000\BBBBBBBBBBB
      Filesize

      129B

      MD5

      3ffc22ab7109fed4d307c857faf289e4

      SHA1

      6285fefeb9391cea40fcc0422d13a05b95f28732

      SHA256

      71a1bce120bc0421ff8aecdce3c7e41e73a572aafc19b4325bf5278b849dad77

      SHA512

      c9ced6e2980aa6be8a0ba8e69928c71fc929ee468ffc701ed4742d3baca516e434f37c25f6ab0c0afd84f8a64eb6e4374dabd9ef6997536cee5341adbc2e283e

      Download Submit

    • C:\N7prImOYL.README.txt
      Filesize

      1KB

      MD5

      f85801533c317ea9eaebe2a49a3a8eac

      SHA1

      bb69bd97d68aaec2d3ce5c6d895322374dc3ead1

      SHA256

      45dbe45beb75f80f6e34bd00a7bd35970ded5acbbe2b4465884c9853e2b87e5b

      SHA512

      c049ecfb09322a3439a5f6e2b463d60f9910a8ecc2e73754460153109eb630c06018bebaaea00c7db262e9d5756cc45835e803efc4caab9c961401107a0dd4c4

      Download Submit

    • C:\ProgramData\D7A4.tmp
      Filesize

      14KB

      MD5

      294e9f64cb1642dd89229fff0592856b

      SHA1

      97b148c27f3da29ba7b18d6aee8a0db9102f47c9

      SHA256

      917e115cc403e29b4388e0d175cbfac3e7e40ca1742299fbdb353847db2de7c2

      SHA512

      b87d531890bf1577b9b4af41dddb2cdbbfa164cf197bd5987df3a3075983645a3acba443e289b7bfd338422978a104f55298fbfe346872de0895bde44adc89cf

      Download Submit

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

      147KB

      MD5

      ceb8ad2bd9a8ccee4030baba51b6ca2c

      SHA1

      e212348474e0adfcb2787573efc00e7143074435

      SHA256

      733120d18d058305e43effa80fee8eb4d3806f764844063e7365adf9b61eb050

      SHA512

      5667389bcc97cc7cd21aa14defa94df21084f7101401f619b945ea4271e17caf5df57782dc6f8688e069d361ab1d49c9b0396731d1f6074151289c01f6dd5397

      Download Submit

    • C:\Users\Admin\AppData\Local\Temp\{0DE7BB38-15DB-4D6A-B6FE-15D1C72356E3}
      Filesize

      4KB

      MD5

      7c118fd31094fc8e326f8359d707e6f5

      SHA1

      1ee8366386ba7f380ca7f515e83f645947efd071

      SHA256

      832842522a07db59cd727ce3b099db8bd7a37bb0bb749beb9ce67eaef5aae84e

      SHA512

      5a81fde1116d80877013e2997baac0f481bc61455ff63eccbdfc4ebd511c4e89c76bc6c03218c0d1c7a1fad782ae4c76ee78848b3261ab013427f8bca4ffe68b

      Download Submit

    • F:\$RECYCLE.BIN\S-1-5-21-4272559161-3282441186-401869126-1000\DDDDDDDDDDD
      Filesize

      129B

      MD5

      12fdf8bbe411647f288dc9fa442193d4

      SHA1

      2ae7d735a94d659c1b4f2a631045da0063e153c1

      SHA256

      cad03765d8d60a46bee6a85e3497f096771011ce20212d50ef33b06df48b9d78

      SHA512

      5bae6986fa66a593ecc9a365c5276e54411903c9577bcea4d83384c97b40bb76e21c4b92456503c29ddefb491d5854859c3c68530287ae680bc7c3e54d4077e1

      Download Submit

    • memory/232-2889-0x00007FF9E94D0000-0x00007FF9E94E0000-memory.dmp

      Filesize

      64KB

      Download

    • memory/232-2924-0x00007FF9EBB30000-0x00007FF9EBB40000-memory.dmp

      Filesize

      64KB

      Download

    • memory/232-2926-0x00007FF9EBB30000-0x00007FF9EBB40000-memory.dmp

      Filesize

      64KB

      Download

    • memory/232-2927-0x00007FF9EBB30000-0x00007FF9EBB40000-memory.dmp

      Filesize

      64KB

      Download

    • memory/232-2858-0x00007FF9EBB30000-0x00007FF9EBB40000-memory.dmp

      Filesize

      64KB

      Download

    • memory/232-2857-0x00007FF9EBB30000-0x00007FF9EBB40000-memory.dmp

      Filesize

      64KB

      Download

    • memory/232-2859-0x00007FF9EBB30000-0x00007FF9EBB40000-memory.dmp

      Filesize

      64KB

      Download

    • memory/232-2860-0x00007FF9EBB30000-0x00007FF9EBB40000-memory.dmp

      Filesize

      64KB

      Download

    • memory/232-2856-0x00007FF9EBB30000-0x00007FF9EBB40000-memory.dmp

      Filesize

      64KB

      Download

    • memory/232-2925-0x00007FF9EBB30000-0x00007FF9EBB40000-memory.dmp

      Filesize

      64KB

      Download

    • memory/232-2890-0x00007FF9E94D0000-0x00007FF9E94E0000-memory.dmp

      Filesize

      64KB

      Download

    • memory/3256-2838-0x00000000028C0000-0x00000000028D0000-memory.dmp

      Filesize

      64KB

      Download

    • memory/3256-2-0x00000000028C0000-0x00000000028D0000-memory.dmp

      Filesize

      64KB

      Download

    • memory/3256-2839-0x00000000028C0000-0x00000000028D0000-memory.dmp

      Filesize

      64KB

      Download

    • memory/3256-0-0x00000000028C0000-0x00000000028D0000-memory.dmp

      Filesize

      64KB

      Download

    • memory/3256-1-0x00000000028C0000-0x00000000028D0000-memory.dmp

      Filesize

      64KB

      Download

    • memory/3256-2840-0x00000000028C0000-0x00000000028D0000-memory.dmp

      Filesize

      64KB

      Download