Analysis

  • max time kernel
    120s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    20-11-2024 02:49

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: BD7CA47B4E1410607A8F3F3E76D121F8 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
  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 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.

  • Suspicious use of NtSetInformationThreadHideFromDebugger 5 IoCs
  • 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.

  • Suspicious behavior: EnumeratesProcesses 12 IoCs
  • Suspicious behavior: RenamesItself 26 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\5c54bd1aa2abf024f53490b7d93101496b5842a5a81a51955fe7f1d5e4281409.exe
    "C:\Users\Admin\AppData\Local\Temp\5c54bd1aa2abf024f53490b7d93101496b5842a5a81a51955fe7f1d5e4281409.exe"
    1⤵
    • Loads dropped DLL
    • 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:2076
    • C:\ProgramData\D77B.tmp
      "C:\ProgramData\D77B.tmp"
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: RenamesItself
      • Suspicious use of WriteProcessMemory
      PID:2252
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /C DEL /F /Q C:\PROGRA~3\D77B.tmp >> NUL
        3⤵
        • System Location Discovery: System Language Discovery
        PID:940
  • C:\Windows\system32\AUDIODG.EXE
    C:\Windows\system32\AUDIODG.EXE 0x148
    1⤵
      PID:2320

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\$Recycle.Bin\S-1-5-21-4177215427-74451935-3209572229-1000\desktop.ini

      Filesize

      129B

      MD5

      18f0dba3e02c2c5f2c9e9a7671b2afa3

      SHA1

      ffb781f489fc8e8e1c7d0082004bef76f266c6c5

      SHA256

      4429ea9700e13c19b998709847a9375c725990a07e937f25c402514a9bb85c45

      SHA512

      9e2f24bbad69693235c922ff5e9ab34bce2a6c79ec32734984177d8d1061fb079de69c24b6fd7dc7c06acfa92029d6f4beb72d24f7443a9fbd42f168c29f1020

    • C:\ProgramData\D77B.tmp

      Filesize

      14KB

      MD5

      294e9f64cb1642dd89229fff0592856b

      SHA1

      97b148c27f3da29ba7b18d6aee8a0db9102f47c9

      SHA256

      917e115cc403e29b4388e0d175cbfac3e7e40ca1742299fbdb353847db2de7c2

      SHA512

      b87d531890bf1577b9b4af41dddb2cdbbfa164cf197bd5987df3a3075983645a3acba443e289b7bfd338422978a104f55298fbfe346872de0895bde44adc89cf

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

      Filesize

      147KB

      MD5

      1ad6fff5097c5d3d140b6ca028a2304d

      SHA1

      c7b52602b3fd2fe1bb0cc81c89cefce3224cc17d

      SHA256

      ee7a6440399d552442069b746f026ab5089446d8d971bb64ed0a62868ab0f860

      SHA512

      513cae165798300d006ac327edb61653e668366395b033434b296d8eb81807ae6de86b038692176512c9560f59b445cfe7106dfce87f87e87c502ce4c28755bb

    • C:\uBBbnTEl1.README.txt

      Filesize

      1KB

      MD5

      647e136dc1eb0bc41640996e7b5dd874

      SHA1

      7b11b8ac6898cc3b393337901bd34b741dbc89b4

      SHA256

      72ac3e587dd7aed6ef36a194ebff1c282c40b19d682b194111cae903f031625d

      SHA512

      c81b18658d885b1ec47590ef4e37cbf9210e17f50deceac2c7f6e0f7ae8a5dd46ea7e1b7005e33875e94721d47cdf8edd5250b62f591694227b86d3f9332a51f

    • F:\$RECYCLE.BIN\S-1-5-21-4177215427-74451935-3209572229-1000\DDDDDDDDDDD

      Filesize

      129B

      MD5

      c8eea3d29eb723563b6359bd1aaa72f4

      SHA1

      519000cc051a10138cfadcf93874456ef4faf4e0

      SHA256

      587132f41cfda52f2ca181fc0ed92a6d9d164026d4d27f442f5d7be04d8bc61c

      SHA512

      5e35d2fde301cf6cf99d4191face7315b4d62885f8968e0e9437c45da651fa31722b7ef1b668a906a58878ea87418b238d83aaeb84006ac3217a5ea7c7274f2a

    • memory/2076-0-0x0000000000BD0000-0x0000000000C10000-memory.dmp

      Filesize

      256KB

    • memory/2252-889-0x0000000000401000-0x0000000000404000-memory.dmp

      Filesize

      12KB

    • memory/2252-891-0x0000000000400000-0x0000000000407000-memory.dmp

      Filesize

      28KB

    • memory/2252-892-0x0000000000400000-0x0000000000407000-memory.dmp

      Filesize

      28KB