Analysis

  • max time kernel
    148s
  • max time network
    157s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19-11-2024 13:41

General

  • Target

    5c54bd1aa2abf024f53490b7d93101496b5842a5a81a51955fe7f1d5e4281409.exe

  • Size

    147KB

  • MD5

    40126b1b3c6f86194fc554cdba3cb5d3

  • SHA1

    a05551c8536eb6489651a9481911d107fd1c34ef

  • SHA256

    5c54bd1aa2abf024f53490b7d93101496b5842a5a81a51955fe7f1d5e4281409

  • SHA512

    045711fc010aba7ae338351fe825575bda270636c5c983484faae980655b50dc0196a74964f115fb73235bbae1e6013351e5dc573865e848669fdb43272a4278

  • SSDEEP

    3072:a6glyuxE4GsUPnliByocWepvOdS3A/bB1Ba3:a6gDBGpvEByocWeGSQzN

Malware Config

Extracted

Path

C:\uBBbnTEl1.README.txt

Family

dragonforce

Ransom Note
Hello! Your files have been stolen from your network and encrypted with a strong algorithm. We work for money and are not associated with politics. All you need to do is contact us and pay. --- Our communication process: 1. You contact us. 2. We send you a list of files that were stolen. 3. We decrypt 1 file to confirm that our decryptor works. 4. We agree on the amount, which must be paid using BTC. 5. We delete your files, we give you a decryptor. 6. We give you a detailed report on how we compromised your company, and recommendations on how to avoid such situations in the future. --- Client area (use this site to contact us): Link for Tor Browser: http://3pktcrcbmssvrnwe5skburdwe2h3v6ibdnn5kbjqihsg6eu6s6b7ryqd.onion >>> Use this ID: BD7CA47B4E141060625DB49F86B2330C to begin the recovery process. * In order to access the site, you will need Tor Browser, you can download it from this link: https://www.torproject.org/ --- Additional contacts: Support Tox: 1C054B722BCBF41A918EF3C485712742088F5C3E81B2FDD91ADEA6BA55F4A856D90A65E99D20 --- Recommendations: DO NOT RESET OR SHUTDOWN - files may be damaged. DO NOT RENAME OR MOVE the encrypted and readme files. DO NOT DELETE readme files. --- Important: If you refuse to pay or do not get in touch with us, we start publishing your files. 02/05/2024 00:00 UTC the decryptor will be destroyed and the files will be published on our blog. Blog: http://z3wqggtxft7id3ibr7srivv5gjof5fwg76slewnzwwakjuf3nlhukdid.onion Sincerely, 01000100 01110010 01100001 01100111 01101111 01101110 01000110 01101111 01110010 01100011 01100101
URLs

http://3pktcrcbmssvrnwe5skburdwe2h3v6ibdnn5kbjqihsg6eu6s6b7ryqd.onion

http://z3wqggtxft7id3ibr7srivv5gjof5fwg76slewnzwwakjuf3nlhukdid.onion

Signatures

  • DragonForce

    Ransomware family based on Lockbit that was first observed in November 2023.

  • Dragonforce family
  • 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.

  • 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.

  • Drops file in System32 directory 4 IoCs
  • 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.

  • 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
  • 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\5c54bd1aa2abf024f53490b7d93101496b5842a5a81a51955fe7f1d5e4281409.exe
    "C:\Users\Admin\AppData\Local\Temp\5c54bd1aa2abf024f53490b7d93101496b5842a5a81a51955fe7f1d5e4281409.exe"
    1⤵
    • Drops desktop.ini file(s)
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2264
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
      • Drops file in System32 directory
      PID:3064
    • C:\ProgramData\D9B7.tmp
      "C:\ProgramData\D9B7.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:2448
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /C DEL /F /Q C:\PROGRA~3\D9B7.tmp >> NUL
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2900
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k PrintWorkflow -s PrintWorkflowUserSvc
    1⤵
      PID:4312
    • C:\Windows\system32\printfilterpipelinesvc.exe
      C:\Windows\system32\printfilterpipelinesvc.exe -Embedding
      1⤵
      • Drops file in System32 directory
      • Suspicious use of WriteProcessMemory
      PID:3000
      • C:\Program Files\Microsoft Office\root\Office16\ONENOTE.EXE
        /insertdoc "C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\{EA44AF2A-0594-4663-9A0D-9CC5F6DCA07D}.xps" 133764972849610000
        2⤵
        • Checks processor information in registry
        • Enumerates system info in registry
        • Suspicious use of SetWindowsHookEx
        PID:4872

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\$Recycle.Bin\S-1-5-21-3350944739-639801879-157714471-1000\desktop.ini

      Filesize

      129B

      MD5

      d2fb427e1989d029e6843443429ac2b0

      SHA1

      04eaacbae57bb3aa0b1d2e8de47e5a723e87b3b6

      SHA256

      47735317f3692bae2713c41de32c54f80337e8b91ce07f258fb61a1bc5632e29

      SHA512

      13a8d26743792eebbbfcb7118d66772ff9a34db67178aa559e0dbf503031815b5429170ba6dc202a1ca92f9db14e499a279c1f0ae351f8cc8f5da9993ad566af

    • C:\ProgramData\D9B7.tmp

      Filesize

      14KB

      MD5

      294e9f64cb1642dd89229fff0592856b

      SHA1

      97b148c27f3da29ba7b18d6aee8a0db9102f47c9

      SHA256

      917e115cc403e29b4388e0d175cbfac3e7e40ca1742299fbdb353847db2de7c2

      SHA512

      b87d531890bf1577b9b4af41dddb2cdbbfa164cf197bd5987df3a3075983645a3acba443e289b7bfd338422978a104f55298fbfe346872de0895bde44adc89cf

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

      Filesize

      147KB

      MD5

      a6a4d7290a56bc89e7e5c1976375ef96

      SHA1

      61f6220cd17bf88b5e8d6eb1deecdf6b6e07dfe8

      SHA256

      2af317d4803e9ba417fcbde28e17026466ddf705cd5e0ff5d67aba4a292b4e70

      SHA512

      7b107c6467b5dfa4f4c92417c0f5c0f1c17b49ef997d2ce03002b0346f7eadfb38ce1d619e8da41110d90fc3956b12fd5e96961e5c6ff0abe3600dfff607d4cd

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

      Filesize

      68KB

      MD5

      18344eeb0f6f71123944e3822563252f

      SHA1

      61a919c229ecd514b2d32439e5b5436e90d9ade0

      SHA256

      4c50930704349e34e4632252b26292523d3b8a26f1aafad29d30f0401ab29a11

      SHA512

      54e577dfa1ff21bad47e580a1a6498b56d43b64184fd0da87b7a1bf86d9fd10b18d8bc250ee52873bdd4d82b804065ea84c13d1c38e03f9d06c8d6f1128bdd7a

    • C:\uBBbnTEl1.README.txt

      Filesize

      1KB

      MD5

      24a1253f461767a69110d461b1c427ab

      SHA1

      6b72c578012088753089a069888405a0234575e0

      SHA256

      e5ee992636227ff21ff88c47d1982ef35636391f3515ffdb54486aa6e32f47ff

      SHA512

      8573a36ae39ff4c13c393c4a5fa3aa67afb120be62698ce70999a65fadaba7a124e826906657defbcc47f2a76566a88e803eb282b3cb5ba7e811c5df50d372b2

    • F:\$RECYCLE.BIN\S-1-5-21-3350944739-639801879-157714471-1000\DDDDDDDDDDD

      Filesize

      129B

      MD5

      de70dcab654a6abb31edb0ae9f758ec5

      SHA1

      2a6523514b27ca0887d3999561ff07c451ac0018

      SHA256

      ef9322b255b889482724a9b959034784912564b8cdf8679911aa65c87ee3e5f7

      SHA512

      b034c1d18e21a91b40cb3eed529be92f89d7b91f491ae35c8cb54b05737c979fe07abcc17a5a5fa7825a28bc94665a0d1146d103c4c818f398bce28d6474133b

    • memory/2264-2908-0x00000000031E0000-0x00000000031F0000-memory.dmp

      Filesize

      64KB

    • memory/2264-2909-0x00000000031E0000-0x00000000031F0000-memory.dmp

      Filesize

      64KB

    • memory/2264-1-0x00000000031E0000-0x00000000031F0000-memory.dmp

      Filesize

      64KB

    • memory/2264-2910-0x00000000031E0000-0x00000000031F0000-memory.dmp

      Filesize

      64KB

    • memory/2264-0-0x00000000031E0000-0x00000000031F0000-memory.dmp

      Filesize

      64KB

    • memory/2264-2-0x00000000031E0000-0x00000000031F0000-memory.dmp

      Filesize

      64KB

    • memory/4872-2929-0x00007FFC38CF0000-0x00007FFC38D00000-memory.dmp

      Filesize

      64KB

    • memory/4872-2928-0x00007FFC38CF0000-0x00007FFC38D00000-memory.dmp

      Filesize

      64KB

    • memory/4872-2926-0x00007FFC38CF0000-0x00007FFC38D00000-memory.dmp

      Filesize

      64KB

    • memory/4872-2934-0x00007FFC38CF0000-0x00007FFC38D00000-memory.dmp

      Filesize

      64KB

    • memory/4872-2935-0x00007FFC38CF0000-0x00007FFC38D00000-memory.dmp

      Filesize

      64KB

    • memory/4872-2958-0x00007FFC369B0000-0x00007FFC369C0000-memory.dmp

      Filesize

      64KB

    • memory/4872-2959-0x00007FFC369B0000-0x00007FFC369C0000-memory.dmp

      Filesize

      64KB