Analysis

  • max time kernel
    150s
  • 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
    20/11/2024, 10:11

General

  • Target

    82b336cd120ef07d8df5a3e3fa082bcca8b5c0a3481fae78cb5dd29072979f69.exe

  • Size

    90KB

  • MD5

    6c755a742f2b2e5c1820f57d0338365f

  • SHA1

    0b22b6e5269ec241b82450a7e65009685a3010fb

  • SHA256

    82b336cd120ef07d8df5a3e3fa082bcca8b5c0a3481fae78cb5dd29072979f69

  • SHA512

    580fec443cb3236201750e643078b98e3d9f46cad3cc890b74371119f0ec33a0c5ba526e6135cc1ddcb90d867c214e37c700af55309c7725ed44e100173630ed

  • SSDEEP

    1536:yvXFnGvewvD/F3nICjRM5CEL92vR2zh9ckMBsA1RXZN1Mevt5:Ow3FE79UUzh9mBjBZNe

Malware Config

Extracted

Path

C:\EUPTJQjet.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: 39C1BACACEDFEC0F815714504272E90C 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. 26/04/2024 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
  • UPX packed file 2 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • 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\82b336cd120ef07d8df5a3e3fa082bcca8b5c0a3481fae78cb5dd29072979f69.exe
    "C:\Users\Admin\AppData\Local\Temp\82b336cd120ef07d8df5a3e3fa082bcca8b5c0a3481fae78cb5dd29072979f69.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:1964
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
      • Drops file in System32 directory
      PID:2820
    • C:\ProgramData\C3AF.tmp
      "C:\ProgramData\C3AF.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:1424
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /C DEL /F /Q C:\PROGRA~3\C3AF.tmp >> NUL
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2772
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k PrintWorkflow -s PrintWorkflowUserSvc
    1⤵
      PID:5092
    • C:\Windows\system32\printfilterpipelinesvc.exe
      C:\Windows\system32\printfilterpipelinesvc.exe -Embedding
      1⤵
      • Drops file in System32 directory
      • Suspicious use of WriteProcessMemory
      PID:3344
      • C:\Program Files\Microsoft Office\root\Office16\ONENOTE.EXE
        /insertdoc "C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\{81D1C2E4-51A7-489D-9A3A-8900B463FB30}.xps" 133765710986170000
        2⤵
        • Checks processor information in registry
        • Enumerates system info in registry
        • Suspicious use of SetWindowsHookEx
        PID:4068

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\$Recycle.Bin\S-1-5-21-3227495264-2217614367-4027411560-1000\GGGGGGGGGGG

      Filesize

      129B

      MD5

      c23e6c9a9fb16ac804782d6b7f22d70f

      SHA1

      fb14e6ca366b4a74365a5391516327dae55bcb0b

      SHA256

      2e9fa4a4a7bc39675f269baea5ccb0752e2fd63fa8a94c02d4ce7f77515b2407

      SHA512

      4b5b212e1e6cf98b2b7c71cffc8b163df2d3533201f7b398f6fdcba271a55af1a27d6a6d46df0ee813927a6cee8481ac5dbeabf86b80c4355be352194a9d4ad2

    • C:\EUPTJQjet.README.txt

      Filesize

      1KB

      MD5

      3c4c2e7981c6b3e64fcb8d5d38b7fd51

      SHA1

      d36176986570e5240da839a086da0b62eb70bf55

      SHA256

      2d3c75ade4ebea8dc21de93f2116620ebebcf1faf4ddaf18ad2e4d56a9968b7e

      SHA512

      7e2cd86b7e7e9df4a163e139377a531cb779cf6cb546a782181a258d9b048640d99dce0b0382e215d5c19f16de1cef27fa64fec249e8c8bc35f13c9a741cea03

    • C:\ProgramData\C3AF.tmp

      Filesize

      14KB

      MD5

      294e9f64cb1642dd89229fff0592856b

      SHA1

      97b148c27f3da29ba7b18d6aee8a0db9102f47c9

      SHA256

      917e115cc403e29b4388e0d175cbfac3e7e40ca1742299fbdb353847db2de7c2

      SHA512

      b87d531890bf1577b9b4af41dddb2cdbbfa164cf197bd5987df3a3075983645a3acba443e289b7bfd338422978a104f55298fbfe346872de0895bde44adc89cf

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

      Filesize

      90KB

      MD5

      efac65d3d2aebd84fb3ae27ffe8a9e21

      SHA1

      d3ab4159b5f9afa8a6b64983a40e7cff1b9c116b

      SHA256

      9d4d9c6e7872e0562257e041e4a70421d780272880fb9f3a0a77164f99e4cacd

      SHA512

      cd6aa3dfff19fa9d1d41373e54e92b4b514a9d414a9e074e0eae3294b7987cf9c67f4b4fd6e7549fa5953cbb07d0e5274b3bc2c6057fcfb6ad9130991cac29e0

    • C:\Users\Admin\AppData\Local\Temp\{78BA106C-E964-4014-B6C4-33E5181CA33F}

      Filesize

      4KB

      MD5

      9230a1b1304a8f36c82b12f070193de8

      SHA1

      d889a79185f706348a78da51c324764c08aa3779

      SHA256

      4cdd0e4eeec3e2c06bb9a7e1f653493db5bc5f7d7b56de9e7660b6f004e03c2b

      SHA512

      573e0735fe6cb3d292a46bf6803d141b2c5acaa044bb4f4d38e5a88bb323eaad5976fe1b2548bceab21219ce0074c0810202b432d01704b9d63598686258ecac

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

      Filesize

      4KB

      MD5

      6536026df4ce939aefb49ebd8d92880d

      SHA1

      01bd494b87b2172522750d654d3d475db98bc408

      SHA256

      5092f6fe0a047946c5acf95733d9f1839d4efffc476b529b2cb35cfc77c4e018

      SHA512

      4e079401223b02b9d830b16af8da444d557fcdecace62289fb6395732498b60a12486e1e95cc8f6818b28ca2802ed6152603977bac99156a064197edba76053e

    • F:\$RECYCLE.BIN\S-1-5-21-3227495264-2217614367-4027411560-1000\DDDDDDDDDDD

      Filesize

      129B

      MD5

      40386006c807f6391de884e1d204b1ea

      SHA1

      1282d618423df55eb0ee42dfe9ec5fd04309f014

      SHA256

      5d92b1c9e0ceca1ad3140a6c976ca8745139ebba4ea4be2f62641e9207fb8dfb

      SHA512

      f858806c4271992ce1aeb949c1af9506b106b4f71a0ce9e352c0ae9b05cbfae6e960ab3e1a24f484a446eb5044b23325e8f976e6b785704e0dd0f0487285fd89

    • memory/1964-2805-0x0000000000D00000-0x0000000000D10000-memory.dmp

      Filesize

      64KB

    • memory/1964-1-0x0000000000D00000-0x0000000000D10000-memory.dmp

      Filesize

      64KB

    • memory/1964-2806-0x0000000000D00000-0x0000000000D10000-memory.dmp

      Filesize

      64KB

    • memory/1964-0-0x00000000005B0000-0x00000000005DB000-memory.dmp

      Filesize

      172KB

    • memory/1964-2804-0x00000000005B0000-0x00000000005DB000-memory.dmp

      Filesize

      172KB

    • memory/1964-3-0x0000000000D00000-0x0000000000D10000-memory.dmp

      Filesize

      64KB

    • memory/1964-2-0x0000000000D00000-0x0000000000D10000-memory.dmp

      Filesize

      64KB

    • memory/1964-2807-0x0000000000D00000-0x0000000000D10000-memory.dmp

      Filesize

      64KB

    • memory/4068-2826-0x00007FF8F4A30000-0x00007FF8F4A40000-memory.dmp

      Filesize

      64KB

    • memory/4068-2827-0x00007FF8F4A30000-0x00007FF8F4A40000-memory.dmp

      Filesize

      64KB

    • memory/4068-2824-0x00007FF8F4A30000-0x00007FF8F4A40000-memory.dmp

      Filesize

      64KB

    • memory/4068-2857-0x00007FF8F21C0000-0x00007FF8F21D0000-memory.dmp

      Filesize

      64KB

    • memory/4068-2858-0x00007FF8F21C0000-0x00007FF8F21D0000-memory.dmp

      Filesize

      64KB

    • memory/4068-2825-0x00007FF8F4A30000-0x00007FF8F4A40000-memory.dmp

      Filesize

      64KB

    • memory/4068-2823-0x00007FF8F4A30000-0x00007FF8F4A40000-memory.dmp

      Filesize

      64KB