Overview

overview

10

Static

static

10

1/0178b79b...bd.exe

windows7-x64

10

1/0178b79b...bd.exe

windows10-2004-x64

10

1/0280cde4...60.exe

windows7-x64

10

1/0280cde4...60.exe

windows10-2004-x64

10

1/08b76206...65.exe

windows7-x64

10

1/08b76206...65.exe

windows10-2004-x64

10

1/0e4fc438...91.exe

windows7-x64

3

1/0e4fc438...91.exe

windows10-2004-x64

10

1/0fb86a8b...05.exe

windows7-x64

10

1/0fb86a8b...05.exe

windows10-2004-x64

10

1/25898c73...8f.exe

windows7-x64

10

1/25898c73...8f.exe

windows10-2004-x64

3

1/2c2e9491...3c.exe

windows7-x64

3

1/2c2e9491...3c.exe

windows10-2004-x64

10

1/2ef0f582...2e.exe

windows7-x64

3

1/2ef0f582...2e.exe

windows10-2004-x64

10

1/39884fc0...82.exe

windows7-x64

10

1/39884fc0...82.exe

windows10-2004-x64

10

1/3a72ecec...8a.exe

windows7-x64

10

1/3a72ecec...8a.exe

windows10-2004-x64

10

1/3bfcb4f7...71.exe

windows7-x64

10

1/3bfcb4f7...71.exe

windows10-2004-x64

10

1/4103411f...f5.exe

windows7-x64

10

1/4103411f...f5.exe

windows10-2004-x64

10

1/4e0fdb84...95.exe

windows7-x64

3

1/4e0fdb84...95.exe

windows10-2004-x64

7

1/5297372f...33.exe

windows7-x64

5

1/5297372f...33.exe

windows10-2004-x64

5

1/68292f38...e4.exe

windows7-x64

3

1/68292f38...e4.exe

windows10-2004-x64

10

1/6da4696b...e5.exe

windows7-x64

7

1/6da4696b...e5.exe

windows10-2004-x64

7

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
    148s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11/12/2024, 15:32

Sharing

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Report Analysis Logs

General

  • Target
    1/0fb86a8ba8fdf57990c283080a671c1320cbcdfd0e8b5f5a250d9c38a6fce305.exe
  • Size 146KB
  • Sample241211-sy44nssrdm
  • 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: 217B9D5D58C4AD3C2A19EF7D5D1A59A0 >>>> 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 (616) 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 3 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:3944
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
      • Drops file in System32 directory
      PID:1820
    • C:\ProgramData\4BAB.tmp
      "C:\ProgramData\4BAB.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:3116
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /C DEL /F /Q C:\PROGRA~3\4BAB.tmp >> NUL
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2752
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k PrintWorkflow -s PrintWorkflowUserSvc
    1⤵
      PID:968
    • C:\Windows\system32\printfilterpipelinesvc.exe
      C:\Windows\system32\printfilterpipelinesvc.exe -Embedding
      1⤵
      • Drops file in System32 directory
      • Suspicious use of WriteProcessMemory
      PID:4452
      • C:\Program Files\Microsoft Office\root\Office16\ONENOTE.EXE
        /insertdoc "C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\{B4A19319-C1D3-4B4C-93BB-CAD794E52B7F}.xps" 133784048137610000
        2⤵
        • Checks processor information in registry
        • Enumerates system info in registry
        • Suspicious use of SetWindowsHookEx
        PID:2792

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          desktop.ini
          • Path C:\$Recycle.Bin\S-1-5-21-2045521122-590294423-3465680274-1000\desktop.ini
          • Size 129B
          • SHA256 28e8af255d8ab89c6e037a21d31ed17ad29cc2db8a13cc119f88ce7db2eb2e12
          • MD5 SHA1 SHA512
          Submit Download

          7V7uPExzv.README.txt
          • Path C:\7V7uPExzv.README.txt
          • Size 1KB
          • SHA256 d6d00149f115190a8b4863cb5bbf19affcc179290f99a6bb9526c1582c6313c0
          • MD5 SHA1 SHA512
          Submit Download

          4BAB.tmp
          • Path C:\ProgramData\4BAB.tmp
          • Size 14KB
          • SHA256 917e115cc403e29b4388e0d175cbfac3e7e40ca1742299fbdb353847db2de7c2
          • MD5 SHA1 SHA512 SSDEEP
          Submit Download

          DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD
          • Path C:\Users\Admin\AppData\Local\Temp\1\DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD
          • Size 146KB
          • SHA256 d4c8266003e3961cd375f7082df1e5341ab8bb6d11966c49998a3ec1fbeac435
          • MD5 SHA1 SHA512 SSDEEP
          Submit Download

          {B5AA5761-1851-42E9-9D11-9F89A4FB7822}
          • Path C:\Users\Admin\AppData\Local\Temp\{B5AA5761-1851-42E9-9D11-9F89A4FB7822}
          • Size 4KB
          • SHA256 dba9d5f4472fb02b6feff65364b9a583083518de1d3c944794a4fcbcedcfa474
          • MD5 SHA1 SHA512 SSDEEP
          Submit Download

          Open Notebook.onetoc2
          • Path C:\Users\Admin\Documents\OneNote Notebooks\My Notebook\Open Notebook.onetoc2
          • Size 4KB
          • SHA256 78231ffa3696162acc2047575fe463a7363f61c79ca90aa7a277968dcf9cb120
          • MD5 SHA1 SHA512 SSDEEP
          Submit Download

          DDDDDDDDDDD
          • Path F:\$RECYCLE.BIN\S-1-5-21-2045521122-590294423-3465680274-1000\DDDDDDDDDDD
          • Size 129B
          • SHA256 005021b371bd2264e133d4e4c5009247d8be4006c945712aed52d9226f6b1772
          • MD5 SHA1 SHA512
          Submit Download

          memory/2792-2810-0x00007FFE42710000-0x00007FFE42720000-memory.dmp
          Download

          memory/2792-2812-0x00007FFE42710000-0x00007FFE42720000-memory.dmp
          Download

          memory/2792-2813-0x00007FFE42710000-0x00007FFE42720000-memory.dmp
          Download

          memory/2792-2811-0x00007FFE42710000-0x00007FFE42720000-memory.dmp
          Download

          memory/2792-2814-0x00007FFE42710000-0x00007FFE42720000-memory.dmp
          Download

          memory/2792-2843-0x00007FFE40470000-0x00007FFE40480000-memory.dmp
          Download

          memory/2792-2844-0x00007FFE40470000-0x00007FFE40480000-memory.dmp
          Download

          memory/3944-2792-0x00000000026B0000-0x00000000026C0000-memory.dmp
          Download

          memory/3944-2794-0x00000000026B0000-0x00000000026C0000-memory.dmp
          Download

          memory/3944-2793-0x00000000026B0000-0x00000000026C0000-memory.dmp
          Download

          memory/3944-2-0x00000000026B0000-0x00000000026C0000-memory.dmp
          Download

          memory/3944-0-0x00000000026B0000-0x00000000026C0000-memory.dmp
          Download

          memory/3944-1-0x00000000026B0000-0x00000000026C0000-memory.dmp
          Download