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

3

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

10

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

Analysis

  • max time kernel
    148s
  • max time network
    131s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240730-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240730-enlocale:en-usos:windows10-2004-x64system
  • submitted
    31-07-2024 10:23

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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: 217B9D5D58C4AD3C6BD1B9F936CC3295 >>>> 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 (617) 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\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:4784
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
      • Drops file in System32 directory
      PID:3888
    • C:\ProgramData\BAB6.tmp
      "C:\ProgramData\BAB6.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:3624
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /C DEL /F /Q C:\PROGRA~3\BAB6.tmp >> NUL
        3⤵
        • System Location Discovery: System Language Discovery
        PID:3532
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k PrintWorkflow -s PrintWorkflowUserSvc
    1⤵
      PID:4468
    • C:\Windows\system32\printfilterpipelinesvc.exe
      C:\Windows\system32\printfilterpipelinesvc.exe -Embedding
      1⤵
      • Drops file in System32 directory
      • Suspicious use of WriteProcessMemory
      PID:1508
      • C:\Program Files\Microsoft Office\root\Office16\ONENOTE.EXE
        /insertdoc "C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\{C1DD4BEB-B614-4AE5-96EC-4BAA69E9C0C5}.xps" 133668950155960000
        2⤵
        • Checks processor information in registry
        • Enumerates system info in registry
        • Suspicious use of SetWindowsHookEx
        PID:2988

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\$Recycle.Bin\S-1-5-21-2951562807-3718269429-4208157415-1000\desktop.ini
      Filesize

      129B

      MD5

      7751e6888d9ebed8a5b5778367e6cc5d

      SHA1

      8e1945cac40e23f6114a14ec02e6c7acb28a8adb

      SHA256

      9e0e0e5c6dc1ce2ff7dd7c9fe3c16273adda86afc782a6263a2f613d87332a2d

      SHA512

      69ae76d73e0c3940af70b0404bca6e708518a419cc797c78fdcbadb9860f73abfcbb37059a5c5a594c13eefdefae4f3dc3e2663d7ce01c11bc827489d439ad99

      Download Submit

    • C:\7V7uPExzv.README.txt
      Filesize

      1KB

      MD5

      254da537dc6305e5ee1e9695f750d6e6

      SHA1

      a00228ccd0f2ec5296226a0bed9473d23918bed5

      SHA256

      70561772d39647706848520cd415c991e5519ea461708479596d471dd296a3ac

      SHA512

      2b65001293e802a214d956dca915931f95cc58bb45df30f6ca808c3e52250c8cd259daa44c366245eab8e2627f3f1f2943be29ec13a8f7db35396e92c16dc6aa

      Download Submit

    • C:\ProgramData\BAB6.tmp
      Filesize

      14KB

      MD5

      294e9f64cb1642dd89229fff0592856b

      SHA1

      97b148c27f3da29ba7b18d6aee8a0db9102f47c9

      SHA256

      917e115cc403e29b4388e0d175cbfac3e7e40ca1742299fbdb353847db2de7c2

      SHA512

      b87d531890bf1577b9b4af41dddb2cdbbfa164cf197bd5987df3a3075983645a3acba443e289b7bfd338422978a104f55298fbfe346872de0895bde44adc89cf

      Download Submit

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

      146KB

      MD5

      26f0f7fb2e9edd9dd5e1c28b20010d7f

      SHA1

      aff3c5d689308ef27ec7b42d6618573573388185

      SHA256

      34e7c38c1bed9d70cbfefe2d24e6d4a4fd209a61cb605ff2f6ce4e67f4c66209

      SHA512

      85124f066fe35d2805be94e3b0880ff3d3455e7424554844fd1923cc7732fb89d6e18e79abb0e29e976f82702255c8f906e5ee804510722d7d720179d032a5c6

      Download Submit

    • C:\Users\Admin\AppData\Local\Temp\{546CF97B-9FDB-4EAA-843F-75114FDA109C}
      Filesize

      4KB

      MD5

      4fa79c6049e9a53d1c981f71b4f9c8b6

      SHA1

      a6c40f208a501f393690b69a3bf023ee1c75e752

      SHA256

      336811cc79743aa010560efc9a8dcb192491a84b8069f6d4a7c19ffce101ee9f

      SHA512

      6f3c7950e25ea13fc83a71bc6e8eb5a92646bf46fb3e33d6c60bb1d019b835b4fdd0a9aca46d0a0f3ab235469f8b3bfa18da8819cf93c0bd15d9d55eb81592f3

      Download Submit

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

      4KB

      MD5

      66a376c5c9a4560e21cf254aac3717ed

      SHA1

      fe9ff94e9ba376b6f49578cb9ee39eeda836af75

      SHA256

      2ebcebc4176ed8e4e43edff7d6d1ee8a1cb1d482bf8b7581ea2570cf8e1b7313

      SHA512

      3c9b551d6509426ed43409a5c057ad4e48aa0282bcc0fbead186c6a895af6f5dca41004509c35c64cdc01840dac2b73d05f9e4348327031578bb8b27881b3d49

      Download Submit

    • F:\$RECYCLE.BIN\S-1-5-21-2951562807-3718269429-4208157415-1000\DDDDDDDDDDD
      Filesize

      129B

      MD5

      1c92ad2f151a665cec7f0b1f53711624

      SHA1

      f9f952024d4a7b7364c556cba00ba29a064e6f62

      SHA256

      04bc4019f838d9c4775f0e56c6bcf8c25e2b48eb443907ad9388eadb6653139c

      SHA512

      d3b6484b6c85a65490a9e9138b9b914a69746d4744ced4bc01d85a27fbcfee035329b87db4f9ac1477d02cb495ff4ddb2be722d9b6d05b3d9a0f40c7157b219b

      Download Submit

    • memory/2988-2812-0x00007FFDF4430000-0x00007FFDF4440000-memory.dmp

      Filesize

      64KB

      Download

    • memory/2988-2813-0x00007FFDF4430000-0x00007FFDF4440000-memory.dmp

      Filesize

      64KB

      Download

    • memory/2988-2814-0x00007FFDF4430000-0x00007FFDF4440000-memory.dmp

      Filesize

      64KB

      Download

    • memory/2988-2811-0x00007FFDF4430000-0x00007FFDF4440000-memory.dmp

      Filesize

      64KB

      Download

    • memory/2988-2843-0x00007FFDF1C80000-0x00007FFDF1C90000-memory.dmp

      Filesize

      64KB

      Download

    • memory/2988-2844-0x00007FFDF1C80000-0x00007FFDF1C90000-memory.dmp

      Filesize

      64KB

      Download

    • memory/2988-2810-0x00007FFDF4430000-0x00007FFDF4440000-memory.dmp

      Filesize

      64KB

      Download

    • memory/4784-0-0x0000000002990000-0x00000000029A0000-memory.dmp

      Filesize

      64KB

      Download

    • memory/4784-1-0x0000000002990000-0x00000000029A0000-memory.dmp

      Filesize

      64KB

      Download