Analysis

  • max time kernel
    121s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20241023-en
  • resource tags

    arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
  • submitted
    19-11-2024 13:41

General

  • Target

    82b336cd120ef07d8df5a3e3fa082bcca8b5c0a3481fae78cb5dd29072979f69(1).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: 39C1BACACEDFEC0F97965E0168BC415E 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
  • 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
  • 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.

  • 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\82b336cd120ef07d8df5a3e3fa082bcca8b5c0a3481fae78cb5dd29072979f69(1).exe
    "C:\Users\Admin\AppData\Local\Temp\82b336cd120ef07d8df5a3e3fa082bcca8b5c0a3481fae78cb5dd29072979f69(1).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:1956
    • C:\ProgramData\D2AA.tmp
      "C:\ProgramData\D2AA.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:2088
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /C DEL /F /Q C:\PROGRA~3\D2AA.tmp >> NUL
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2172
  • C:\Windows\system32\AUDIODG.EXE
    C:\Windows\system32\AUDIODG.EXE 0x150
    1⤵
      PID:2232

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\$Recycle.Bin\S-1-5-21-1163522206-1469769407-485553996-1000\desktop.ini

      Filesize

      129B

      MD5

      b2789969ee5c57c2ee4c2c8a8d9718ae

      SHA1

      65b3339698468acb23e2d1a2a5d4466b7c83962a

      SHA256

      f5ab4af8d14f0c279b80bbae186ea2ba731885ae848abd7bbee0c856eb63d772

      SHA512

      dba669a606e75aa4184e0afeb49d8030d6b4c4c6968789d62036fe795a3e7a49c3410e0f975a923ba537c2675e8fcb3884d1950fa7fabffa4226caccf35e289e

    • C:\EUPTJQjet.README.txt

      Filesize

      1KB

      MD5

      7bf858ed0cdf9de3b68d3c26a99e09bd

      SHA1

      6e3acd29065e409b8be7cf3b16f1754af10681f5

      SHA256

      74b0370b673fb6e5a2976150b75c7da4ce85a197f25aa86494b8d0c01594b0bb

      SHA512

      967217b8269cc9cb4c723d3a62ef9ac68c1cb964f4473a56ec9fbf0f057cbee2215988bc9bf0a15f45547e1f163f0b5fcf6aa05b2d89d60af41359bb66ea3b8b

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

      Filesize

      90KB

      MD5

      98f202bf6424228b2192e7ce8bc9d953

      SHA1

      5795dd53118c5dc789d2662e3ec153664b45d738

      SHA256

      c818eec1ab2f3a17980a963a9e6efe14cb0dd727a15ed5aeb1cfeca93fde7f39

      SHA512

      ebb6db7cf2b471896ac3bb11ab8d239b0842a01b239a59ebd071452b54481a4dd0e44e66ac12ecd4701eaf48718cb755648b7e34c2745dd7d7122c29b402595d

    • F:\$RECYCLE.BIN\S-1-5-21-1163522206-1469769407-485553996-1000\DDDDDDDDDDD

      Filesize

      129B

      MD5

      aa9a5109fdc5b6f32175289b9369cadf

      SHA1

      86c0827812d5b82c3b2fd8edce35eb41c1c48e36

      SHA256

      5528d53702506bfcebb8598c28b1d609de1632b15f54c59da41aa23b070a984b

      SHA512

      b3c8508660ed6328c7105a0afe99674b17187febdae6aea6fe47545e6e948972044a4cee1669e6d3e5f8f13572245e621b9f602366062a8fce5aa7ae4fe1bc6c

    • \ProgramData\D2AA.tmp

      Filesize

      14KB

      MD5

      294e9f64cb1642dd89229fff0592856b

      SHA1

      97b148c27f3da29ba7b18d6aee8a0db9102f47c9

      SHA256

      917e115cc403e29b4388e0d175cbfac3e7e40ca1742299fbdb353847db2de7c2

      SHA512

      b87d531890bf1577b9b4af41dddb2cdbbfa164cf197bd5987df3a3075983645a3acba443e289b7bfd338422978a104f55298fbfe346872de0895bde44adc89cf

    • memory/1956-876-0x0000000001120000-0x000000000114B000-memory.dmp

      Filesize

      172KB

    • memory/1956-0-0x0000000001120000-0x000000000114B000-memory.dmp

      Filesize

      172KB

    • memory/1956-1-0x00000000001C0000-0x0000000000200000-memory.dmp

      Filesize

      256KB

    • memory/2088-875-0x000000007EF20000-0x000000007EF21000-memory.dmp

      Filesize

      4KB

    • memory/2088-874-0x000000007EF80000-0x000000007EF81000-memory.dmp

      Filesize

      4KB

    • memory/2088-873-0x00000000003C0000-0x0000000000400000-memory.dmp

      Filesize

      256KB

    • memory/2088-872-0x00000000003C0000-0x0000000000400000-memory.dmp

      Filesize

      256KB

    • memory/2088-871-0x000000007EFA0000-0x000000007EFA1000-memory.dmp

      Filesize

      4KB

    • memory/2088-906-0x000000007EF60000-0x000000007EF61000-memory.dmp

      Filesize

      4KB

    • memory/2088-905-0x000000007EF40000-0x000000007EF41000-memory.dmp

      Filesize

      4KB