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-sy44nssrdm 10

09-08-2024 21:57

240809-1t1vfs1cpm 10

06-08-2024 13:01

240806-p9f97szdlm 10

06-08-2024 12:52

240806-p3672stdkg 10

06-08-2024 12:29

240806-ppa8fsygqr 10

06-08-2024 12:26

240806-pmc92ashlh 10

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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General

  • Target

    1/0fb86a8ba8fdf57990c283080a671c1320cbcdfd0e8b5f5a250d9c38a6fce305.exe

  • Size

    146KB

  • MD5

    2357ecbcf3b566c76c839daf7ecf2681

  • SHA1

    89d9b7c3eff0a15dc9dbbfe2163de7d5e9479f58

  • SHA256

    0fb86a8ba8fdf57990c283080a671c1320cbcdfd0e8b5f5a250d9c38a6fce305

  • SHA512

    bb5630ae44e684f2dfc74478c57bf97a94045501a64022d563e87f2a60d777307cab2b5a14e6764d25a2fd1f27901624c1ee76ca551d5a5e3a21abc4befef401

  • SSDEEP

    3072:V6glyuxE4GsUPnliByocWepo2NVLiguo/pyEwUS:V6gDBGpvEByocWeauV2gvzwU

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

    • C:\$Recycle.Bin\S-1-5-21-2045521122-590294423-3465680274-1000\desktop.ini
      Filesize

      129B

      MD5

      247f39ca5b3a28d60b37ebc16af6b1b4

      SHA1

      cc5a86ae047c437dc4ec8555c546f40b710f5667

      SHA256

      28e8af255d8ab89c6e037a21d31ed17ad29cc2db8a13cc119f88ce7db2eb2e12

      SHA512

      b13a87f91b0070c7bbfbde7e2cca0b29386b85bb2a78f13d562f23c806608d71b915cd2bd0ac7d64e5bcbb54c0b5bebe87a3f3e04744d084557b1a52a3696a50

      Download Submit

    • C:\7V7uPExzv.README.txt
      Filesize

      1KB

      MD5

      329549e535a6357cb79cd9e80f29114f

      SHA1

      14b3dc3660ae9edb7108c730eeddf82646bf425a

      SHA256

      d6d00149f115190a8b4863cb5bbf19affcc179290f99a6bb9526c1582c6313c0

      SHA512

      9f1462c4f2a2add484e6e3994c41712b751d9360233593fe02372facebc28dfaf32db51eabf4fca481d1d60e665b68f35a3b93c98322669303662072d942ef97

      Download Submit

    • C:\ProgramData\4BAB.tmp
      Filesize

      14KB

      MD5

      294e9f64cb1642dd89229fff0592856b

      SHA1

      97b148c27f3da29ba7b18d6aee8a0db9102f47c9

      SHA256

      917e115cc403e29b4388e0d175cbfac3e7e40ca1742299fbdb353847db2de7c2

      SHA512

      b87d531890bf1577b9b4af41dddb2cdbbfa164cf197bd5987df3a3075983645a3acba443e289b7bfd338422978a104f55298fbfe346872de0895bde44adc89cf

      Download Submit

    • C:\Users\Admin\AppData\Local\Temp\1\DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD
      Filesize

      146KB

      MD5

      0233cbb1ee07e63dcfa246d405b9449e

      SHA1

      f62e3e012b6d05995417fbbae5cf5b1439d69445

      SHA256

      d4c8266003e3961cd375f7082df1e5341ab8bb6d11966c49998a3ec1fbeac435

      SHA512

      2961b50869fbda9fa0ad87acc282dc26f5d9685b4b3ca42080172b87048c3ac10a3b4b955d97d346bb93249a2c720f88733241863ff15fef5bc66d0638003443

      Download Submit

    • C:\Users\Admin\AppData\Local\Temp\{B5AA5761-1851-42E9-9D11-9F89A4FB7822}
      Filesize

      4KB

      MD5

      9ff062c1f7698acdc37716d4c2a92095

      SHA1

      a1032ceaf6a75516434c609fca1d27554e7acf52

      SHA256

      dba9d5f4472fb02b6feff65364b9a583083518de1d3c944794a4fcbcedcfa474

      SHA512

      d0e5b47641f99c3c0e6c0b1592e130b964305c803a21006d84d44fd418fe3145113908608fe1cfe1ff42d49ed484a845a65c5bdb19c7f114aebb444dfb4ee799

      Download Submit

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

      4KB

      MD5

      aaa2d0bcd0c571171381443152e26d21

      SHA1

      20b67d238a34bbace5c5ed86d953517278a23a19

      SHA256

      78231ffa3696162acc2047575fe463a7363f61c79ca90aa7a277968dcf9cb120

      SHA512

      cc3f7bb71486695775a4d4b9c197e99e035a4972b492f7acf6599534fcde6b5fba8780dea9221ca67a815322d5b8c03e1cef573d4271dcd8522ce842e2d13136

      Download Submit

    • F:\$RECYCLE.BIN\S-1-5-21-2045521122-590294423-3465680274-1000\DDDDDDDDDDD
      Filesize

      129B

      MD5

      6fa5084e476290f8c6c5622ed1e652b5

      SHA1

      47fde394f465832ec6515fa472165445da22d149

      SHA256

      005021b371bd2264e133d4e4c5009247d8be4006c945712aed52d9226f6b1772

      SHA512

      d9ab2fdbbf10987d970884c3ff3697245b67660a0e062e63d22c22c50a676dc74080969cc741abb509c3136ce12dfa8ea70fbf2b6e721d3f7136982cd5302075

      Download Submit

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

      Filesize

      64KB

      Download

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

      Filesize

      64KB

      Download

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

      Filesize

      64KB

      Download

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

      Filesize

      64KB

      Download

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

      Filesize

      64KB

      Download

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

      Filesize

      64KB

      Download

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

      Filesize

      64KB

      Download

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

      Filesize

      64KB

      Download

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

      Filesize

      64KB

      Download

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

      Filesize

      64KB

      Download

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

      Filesize

      64KB

      Download

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

      Filesize

      64KB

      Download

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

      Filesize

      64KB

      Download