Overview

overview

10

Static

static

10

1/0178b79b...bd.exe

windows11-21h2-x64

10

1/0280cde4...60.exe

windows11-21h2-x64

10

1/08b76206...65.exe

windows11-21h2-x64

10

1/0e4fc438...91.exe

windows11-21h2-x64

10

1/0fb86a8b...05.exe

windows11-21h2-x64

10

1/25898c73...8f.exe

windows11-21h2-x64

10

1/2c2e9491...3c.exe

windows11-21h2-x64

10

1/2ef0f582...2e.exe

windows11-21h2-x64

10

1/39884fc0...82.exe

windows11-21h2-x64

10

1/3a72ecec...8a.exe

windows11-21h2-x64

10

1/3bfcb4f7...71.exe

windows11-21h2-x64

10

1/4103411f...f5.exe

windows11-21h2-x64

10

1/4e0fdb84...95.exe

windows11-21h2-x64

3

1/5297372f...33.exe

windows11-21h2-x64

5

1/68292f38...e4.exe

windows11-21h2-x64

10

1/6da4696b...e5.exe

windows11-21h2-x64

7

1/7021c9cb...78.exe

windows11-21h2-x64

10

1/752f5cc5...60.exe

windows11-21h2-x64

10

1/7c7cded8...0c.exe

windows11-21h2-x64

10

1/97d29ffc...84.exe

windows11-21h2-x64

7

1/a306cc84...03.exe

windows11-21h2-x64

3

1/ae1a168f...74.exe

windows11-21h2-x64

7

1/b13f2364...d6.exe

windows11-21h2-x64

8

1/b2a1d168...9d.bat

windows11-21h2-x64

8

1/bb29aeb6...bd.exe

windows11-21h2-x64

8

1/c8e5a24a...f5.bat

windows11-21h2-x64

8

1/c9736cdc...97.exe

windows11-21h2-x64

8

1/d58780d1...a0.exe

windows11-21h2-x64

10

1/de19e016...d0.exe

windows11-21h2-x64

3

1/e886016e...51.exe

windows11-21h2-x64

10

1/f0f496ec...f4.bat

windows11-21h2-x64

8

1/f28599b0...23.exe

windows11-21h2-x64

10

Resubmissions

11/12/2024, 15:32

241211-sy44nssrdm10

09/08/2024, 21:57

240809-1t1vfs1cpm10

06/08/2024, 13:03

240806-qas1dszdqm

06/08/2024, 13:01

240806-p9f97szdlm10

06/08/2024, 12:52

240806-p3672stdkg10

06/08/2024, 12:29

240806-ppa8fsygqr10

06/08/2024, 12:29

240806-pn9pmaygqq

06/08/2024, 12:26

240806-pmc92ashlh10

Analysis

  • max time kernel
    47s
  • max time network
    28s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240802-en
  • resource tags

    arch:x64arch:x86image:win11-20240802-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    06/08/2024, 12:52

Sharing

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Report Analysis Logs

General

  • Target
    1/0fb86a8ba8fdf57990c283080a671c1320cbcdfd0e8b5f5a250d9c38a6fce305.exe
  • Size 146KB
  • Sample240806-p3672stdkg
  • SHA256 0fb86a8ba8fdf57990c283080a671c1320cbcdfd0e8b5f5a250d9c38a6fce305
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
defense_evasiondiscoveryransomwarespywarestealer

Malware Config

Extracted

Path

  • C:\7V7uPExzv.README.txt

Ransom Note
  • ~~~NULLBULGE LOCK - BASED ON LOCKBIT~~~ >>>> Your data is encrypted... but dont freak out If we encrypted you, you majorly fucked up. But... all can be saved But not for free, we require an xmr payment >>>> What guarantees that we will not deceive you? We are not a politically motivated group and we do not need anything other than your money. If you pay, we will provide you the programs for decryption. Life is too short to be sad. Dont be sad money is only paper. Your files are more important than paper right? If we do not give you decrypter then nobody will pay us in the future. To us, our reputation is very important. There is no dissatisfied victim after payment. >>>> You may contact us and decrypt one file for free on these TOR sites with your personal DECRYPTION ID Download and install TOR Browser https://www.torproject.org/ Write to a chat and wait for the answer, we will always answer you. Sometimes you will need to wait a while Links for Tor Browser: http://nullblgtk7dwzpfklgktzll27ovvnj7pvqkoprmhubnnb32qcbmcpgid.onion/ Link for the normal browser http://group.goocasino.org https://nullbulge.com >>>> Your personal DECRYPTION ID: 217B9D5D58C4AD3CE0EAD6D3C34B3532 >>>> Warning! Do not DELETE or MODIFY any files, it can lead to recovery problems!
URLs

  • http://nullblgtk7dwzpfklgktzll27ovvnj7pvqkoprmhubnnb32qcbmcpgid.onion/

  • http://group.goocasino.org

  • https://nullbulge.com

Signatures

  • Renames multiple (537) 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 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\1\0fb86a8ba8fdf57990c283080a671c1320cbcdfd0e8b5f5a250d9c38a6fce305.exe
    "C:\Users\Admin\AppData\Local\Temp\1\0fb86a8ba8fdf57990c283080a671c1320cbcdfd0e8b5f5a250d9c38a6fce305.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:1420
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
      • Drops file in System32 directory
      PID:1340
    • C:\ProgramData\BDD3.tmp
      "C:\ProgramData\BDD3.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:3112
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /C DEL /F /Q C:\PROGRA~3\BDD3.tmp >> NUL
        3⤵
        • System Location Discovery: System Language Discovery
        PID:1000
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k PrintWorkflow -s PrintWorkflowUserSvc
    1⤵
      PID:3572
    • C:\Windows\system32\printfilterpipelinesvc.exe
      C:\Windows\system32\printfilterpipelinesvc.exe -Embedding
      1⤵
      • Drops file in System32 directory
      • Suspicious use of WriteProcessMemory
      PID:1616
      • C:\Program Files\Microsoft Office\root\Office16\ONENOTE.EXE
        /insertdoc "C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\{D582DB71-A716-4FCE-9B58-7C2C39474A02}.xps" 133674223739540000
        2⤵
        • Checks processor information in registry
        • Enumerates system info in registry
        • Suspicious use of SetWindowsHookEx
        PID:3432

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          AAAAAAAAAAA
          • Path C:\$Recycle.Bin\S-1-5-21-3761892313-3378554128-2287991803-1000\AAAAAAAAAAA
          • Size 129B
          • SHA256 248a0fe8116b73acae3cc6587dacf905cadff7d76a88600fa977d337763d4f1d
          • MD5 SHA1 SHA512
          Submit Download

          7V7uPExzv.README.txt
          • Path C:\7V7uPExzv.README.txt
          • Size 1KB
          • SHA256 0aefdb32747077e5725edac9477ef3c57b3adac4ef280f8f93280afea5917cbb
          • MD5 SHA1 SHA512
          Submit Download

          BDD3.tmp
          • Path C:\ProgramData\BDD3.tmp
          • Size 14KB
          • SHA256 917e115cc403e29b4388e0d175cbfac3e7e40ca1742299fbdb353847db2de7c2
          • MD5 SHA1 SHA512 SSDEEP
          Submit Download

          EEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEE
          • Path C:\Users\Admin\AppData\Local\Temp\1\EEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEE
          • Size 146KB
          • SHA256 56fb98b20eca8a5ea8a3347bb16f9472c68d121668a552bc33982c856e9cc074
          • MD5 SHA1 SHA512 SSDEEP
          Submit Download

          {D6E0BB16-D68D-42FE-8447-B8A9DD98C910}
          • Path C:\Users\Admin\AppData\Local\Temp\{D6E0BB16-D68D-42FE-8447-B8A9DD98C910}
          • Size 4KB
          • SHA256 a5d218e1e800a2d80f0e3413368ed73dad50ee39293bbad2de76e70605555607
          • MD5 SHA1 SHA512 SSDEEP
          Submit Download

          Open Notebook.onetoc2
          • Path C:\Users\Admin\Documents\OneNote Notebooks\My Notebook\Open Notebook.onetoc2
          • Size 4KB
          • SHA256 9619130b7afa1305b0245508d23ff477d182cbb55b44ce9972a3b594bb9b1e92
          • MD5 SHA1 SHA512 SSDEEP
          Submit Download

          DDDDDDDDDDD
          • Path F:\$RECYCLE.BIN\S-1-5-21-3761892313-3378554128-2287991803-1000\DDDDDDDDDDD
          • Size 129B
          • SHA256 883d21a0d055f2d24bc742efa88094e76b5c458b0d9930362099319c4f52e89a
          • MD5 SHA1 SHA512
          Submit Download

          memory/1420-0-0x0000000002800000-0x0000000002810000-memory.dmp
          Download

          memory/1420-2-0x0000000002800000-0x0000000002810000-memory.dmp
          Download

          memory/1420-1-0x0000000002800000-0x0000000002810000-memory.dmp
          Download

          memory/3432-2782-0x00007FFEE4F10000-0x00007FFEE4F20000-memory.dmp
          Download

          memory/3432-2781-0x00007FFEE4F10000-0x00007FFEE4F20000-memory.dmp
          Download

          memory/3432-2780-0x00007FFEE4F10000-0x00007FFEE4F20000-memory.dmp
          Download

          memory/3432-2779-0x00007FFEE4F10000-0x00007FFEE4F20000-memory.dmp
          Download

          memory/3432-2777-0x00007FFEE4F10000-0x00007FFEE4F20000-memory.dmp
          Download

          memory/3432-2812-0x00007FFEE2670000-0x00007FFEE2680000-memory.dmp
          Download

          memory/3432-2813-0x00007FFEE2670000-0x00007FFEE2680000-memory.dmp
          Download