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

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

3

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
    145s
  • max time network
    134s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06-08-2024 12:29

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: 217B9D5D58C4AD3C63B8E5C6A04D18AE >>>> 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 (630) 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:3552
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
      • Drops file in System32 directory
      PID:4352
    • C:\ProgramData\D727.tmp
      "C:\ProgramData\D727.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:5456
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /C DEL /F /Q C:\PROGRA~3\D727.tmp >> NUL
        3⤵
        • System Location Discovery: System Language Discovery
        PID:6088
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k PrintWorkflow -s PrintWorkflowUserSvc
    1⤵
      PID:1552
    • C:\Windows\system32\printfilterpipelinesvc.exe
      C:\Windows\system32\printfilterpipelinesvc.exe -Embedding
      1⤵
      • Drops file in System32 directory
      • Suspicious use of WriteProcessMemory
      PID:5232
      • C:\Program Files\Microsoft Office\root\Office16\ONENOTE.EXE
        /insertdoc "C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\{FB1192A2-7FD4-4F9F-9CC4-1E7B6FD1B1BA}.xps" 133674210479450000
        2⤵
        • Checks processor information in registry
        • Enumerates system info in registry
        • Suspicious use of SetWindowsHookEx
        PID:5348

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\$Recycle.Bin\S-1-5-21-2718105630-359604950-2820636825-1000\XXXXXXXXXXX
      Filesize

      129B

      MD5

      db4b828750803c01d5d9deec3077159e

      SHA1

      221ad2134d0c02fc78fa1871f6d04857ae2dd9fc

      SHA256

      6ab7de945ad079fb61a419926c9138a434eedfcd66e2e89f6ef9084c42d1a0f4

      SHA512

      fece8a13640d7b3c21c242433418b292544e59735339a65e951b0ea6f49ec8902ce6b39c9a590624d8f2bc781e1c8a2248d15a1956ab28746ee8d7c1dd0ff9ca

      Download Submit

    • C:\7V7uPExzv.README.txt
      Filesize

      1KB

      MD5

      7813f47661c4cf4d3f10c89c4934956f

      SHA1

      451121257d26141ca6ed97833dd2132cec37e57f

      SHA256

      249645b90aa106503da98df79c39b60563c5273632be4d24474de86eacbf3450

      SHA512

      9d39c03e10f4172c884d1b3c803b7538e19c4fcfc8e329e51d6ef41cfbd1f0f3a6c2bb928c3f3364e6acc9c0a1ed018b32499ba05447964a412a22d33fcf979c

      Download Submit

    • C:\ProgramData\D727.tmp
      Filesize

      14KB

      MD5

      294e9f64cb1642dd89229fff0592856b

      SHA1

      97b148c27f3da29ba7b18d6aee8a0db9102f47c9

      SHA256

      917e115cc403e29b4388e0d175cbfac3e7e40ca1742299fbdb353847db2de7c2

      SHA512

      b87d531890bf1577b9b4af41dddb2cdbbfa164cf197bd5987df3a3075983645a3acba443e289b7bfd338422978a104f55298fbfe346872de0895bde44adc89cf

      Download Submit

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

      146KB

      MD5

      24aa462b27d6855934108d477672d267

      SHA1

      5259db5446636093eda3f95701a9d29b0dac9373

      SHA256

      d024834fa42c4c8c2499b7e9205589c633e3d01a14c13b6116e1a7c1cd29798a

      SHA512

      bf6c43cb595d31a27e024cf2b84e2302e3ac52167b964393ac9f6b5db0a838b1f743217672871f180e90b067ded0b77d8cb2a5587d2c18a49fcca28b7e518ce1

      Download Submit

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

      4KB

      MD5

      84d7551ea64c92d51ddaace443a71002

      SHA1

      2a58321ca80b8879a54f2e33b629ca15df58fdc8

      SHA256

      e01c59c015a97da1b3b7dfc12c9c6fe1fdfcecaf6d02eee2c7208e8012b92375

      SHA512

      b75eb889d72fe3ba40f91d0ec94c5bc02950db047b1c864b37368476e3c089befc97b11e3c32b1d5fe719bb8dfe0982f8a2b79160bd13f03d297272e9b3be62f

      Download Submit

    • F:\$RECYCLE.BIN\S-1-5-21-2718105630-359604950-2820636825-1000\DDDDDDDDDDD
      Filesize

      129B

      MD5

      24b2347244bf96f15afd63e92dd4565f

      SHA1

      7bdd5be54a9262a67cfb72752f0eb0ff33feb4af

      SHA256

      de3dde10b9a2992f590d4b32ea3a51d52ac64a4775c3763f64b455e45e7fbceb

      SHA512

      2249de9487e9af6b101638f35e332a3cfda4fbe6b4c5823e9fd3161d213db7b53877764d33734f484c650b14659251934009ef53505b02537d79ea455f4e1dc5

      Download Submit

    • memory/3552-2-0x0000000002AC0000-0x0000000002AD0000-memory.dmp

      Filesize

      64KB

      Download

    • memory/3552-0-0x0000000002AC0000-0x0000000002AD0000-memory.dmp

      Filesize

      64KB

      Download

    • memory/3552-1-0x0000000002AC0000-0x0000000002AD0000-memory.dmp

      Filesize

      64KB

      Download

    • memory/5348-2959-0x00007FFBA4D10000-0x00007FFBA4D20000-memory.dmp

      Filesize

      64KB

      Download

    • memory/5348-2961-0x00007FFBA4D10000-0x00007FFBA4D20000-memory.dmp

      Filesize

      64KB

      Download

    • memory/5348-2960-0x00007FFBA4D10000-0x00007FFBA4D20000-memory.dmp

      Filesize

      64KB

      Download

    • memory/5348-2965-0x00007FFBA4D10000-0x00007FFBA4D20000-memory.dmp

      Filesize

      64KB

      Download

    • memory/5348-2964-0x00007FFBA4D10000-0x00007FFBA4D20000-memory.dmp

      Filesize

      64KB

      Download

    • memory/5348-2995-0x00007FFBA2CB0000-0x00007FFBA2CC0000-memory.dmp

      Filesize

      64KB

      Download

    • memory/5348-2996-0x00007FFBA2CB0000-0x00007FFBA2CC0000-memory.dmp

      Filesize

      64KB

      Download