Analysis

  • max time kernel
    158s
  • max time network
    162s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230221-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230221-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11-04-2023 16:07

General

  • Target

    qbittorrent_4.5.2_x64_setup.exe

  • Size

    31.3MB

  • MD5

    c9cd92842c3fe0cbb53e320d46eb71cf

  • SHA1

    1bbbf8fc8b6ac9dc40ffb01b0d521c1b81174216

  • SHA256

    f2ec7fa4c5ae273d6d7181c0c9df225eb8ce8e0e85577b236c7b335c093f2e71

  • SHA512

    fb7f4c71c50b7ff77c8ddc41c6c4d944d8138b0d9b7e948ef16815e4f76a26b9e8f28610866fc9455ffcf04d2e38ceddf15020526730a8154694f2ac501b7138

  • SSDEEP

    786432:rFUPR+I5pNSnPbDAMzkWeumVDg9ptSF+40S5cCPJ2SAqKEUHwg:rFS+2pNcbUMoTumxXBqCPFAq3GF

Malware Config

Signatures

  • Bazar Loader

    Detected loader normally used to deploy BazarBackdoor malware.

  • Bazar/Team9 Loader payload 3 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 7 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Drops file in Program Files directory 37 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Program crash 1 IoCs
  • Modifies registry class 44 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of FindShellTrayWindow 7 IoCs
  • Suspicious use of SendNotifyMessage 7 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\qbittorrent_4.5.2_x64_setup.exe
    "C:\Users\Admin\AppData\Local\Temp\qbittorrent_4.5.2_x64_setup.exe"
    1⤵
    • Checks computer location settings
    • Loads dropped DLL
    • Drops file in Program Files directory
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:4216
    • C:\Program Files\qBittorrent\qbittorrent.exe
      "C:\Program Files\qBittorrent\qbittorrent.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: AddClipboardFormatListener
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:704
  • C:\Windows\system32\WerFault.exe
    C:\Windows\system32\WerFault.exe -pss -s 456 -p 4288 -ip 4288
    1⤵
      PID:3340
    • C:\Windows\system32\WerFault.exe
      C:\Windows\system32\WerFault.exe -u -p 4288 -s 1796
      1⤵
      • Program crash
      PID:1796

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Program Files\qBittorrent\qbittorrent.exe

      Filesize

      28.3MB

      MD5

      cb03a80bc17d2d81fd34aab4341e89eb

      SHA1

      baf0f8686769ae47ed411e8432028057974a1611

      SHA256

      8e6af6cbd3765b8d8c1dd553354a0d4ff9f7fc2eb293704845af7e66a9ccdb0a

      SHA512

      f2bc0fefab5c22b9732f506ad47b93108779859f2ba7615c8e0522622cd2587cdb711225d603804f75a28932389b2877ab2f886facbbe5871cd55dc20256bcbe

    • C:\Program Files\qBittorrent\qbittorrent.exe

      Filesize

      28.3MB

      MD5

      cb03a80bc17d2d81fd34aab4341e89eb

      SHA1

      baf0f8686769ae47ed411e8432028057974a1611

      SHA256

      8e6af6cbd3765b8d8c1dd553354a0d4ff9f7fc2eb293704845af7e66a9ccdb0a

      SHA512

      f2bc0fefab5c22b9732f506ad47b93108779859f2ba7615c8e0522622cd2587cdb711225d603804f75a28932389b2877ab2f886facbbe5871cd55dc20256bcbe

    • C:\Program Files\qBittorrent\qbittorrent.exe

      Filesize

      28.3MB

      MD5

      cb03a80bc17d2d81fd34aab4341e89eb

      SHA1

      baf0f8686769ae47ed411e8432028057974a1611

      SHA256

      8e6af6cbd3765b8d8c1dd553354a0d4ff9f7fc2eb293704845af7e66a9ccdb0a

      SHA512

      f2bc0fefab5c22b9732f506ad47b93108779859f2ba7615c8e0522622cd2587cdb711225d603804f75a28932389b2877ab2f886facbbe5871cd55dc20256bcbe

    • C:\Program Files\qBittorrent\qt.conf

      Filesize

      84B

      MD5

      af7f56a63958401da8bea1f5e419b2af

      SHA1

      f66ee8779ca6d570dea22fe34ef8600e5d3c5f38

      SHA256

      fdb8fa58a6ffc14771ca2b1ef6438061a6cba638594d76d9021b91e755d030d3

      SHA512

      02f70ca7f1291b25402989be74408eb82343ab500e15e4ac22fbc7162eb9230cd7061eaa7e34acf69962b57ed0827f51ceaf0fa63da3154b53469c7b7511d23d

    • C:\Users\Admin\AppData\Local\Temp\nsjB889.tmp\FindProcDLL.dll

      Filesize

      3KB

      MD5

      b4faf654de4284a89eaf7d073e4e1e63

      SHA1

      8efcfd1ca648e942cbffd27af429784b7fcf514b

      SHA256

      c0948b2ec36a69f82c08935fac4b212238b6792694f009b93b4bdb478c4f26e3

      SHA512

      eef31e332be859cf2a64c928bf3b96442f36fe51f1a372c5628264a0d4b2fc7b3e670323c8fb5ffa72db995b8924da2555198e7de7b4f549d9e0f9e6dbb6b388

    • C:\Users\Admin\AppData\Local\Temp\nsjB889.tmp\LangDLL.dll

      Filesize

      5KB

      MD5

      68b287f4067ba013e34a1339afdb1ea8

      SHA1

      45ad585b3cc8e5a6af7b68f5d8269c97992130b3

      SHA256

      18e8b40ba22c7a1687bd16e8d585380bc2773fff5002d7d67e9485fcc0c51026

      SHA512

      06c38bbb07fb55256f3cdc24e77b3c8f3214f25bfd140b521a39d167113bf307a7e8d24e445d510bc5e4e41d33c9173bb14e3f2a38bc29a0e3d08c1f0dca4bdb

    • C:\Users\Admin\AppData\Local\Temp\nsjB889.tmp\System.dll

      Filesize

      12KB

      MD5

      cff85c549d536f651d4fb8387f1976f2

      SHA1

      d41ce3a5ff609df9cf5c7e207d3b59bf8a48530e

      SHA256

      8dc562cda7217a3a52db898243de3e2ed68b80e62ddcb8619545ed0b4e7f65a8

      SHA512

      531d6328daf3b86d85556016d299798fa06fefc81604185108a342d000e203094c8c12226a12bd6e1f89b0db501fb66f827b610d460b933bd4ab936ac2fd8a88

    • C:\Users\Admin\AppData\Local\Temp\nsjB889.tmp\UAC.dll

      Filesize

      14KB

      MD5

      adb29e6b186daa765dc750128649b63d

      SHA1

      160cbdc4cb0ac2c142d361df138c537aa7e708c9

      SHA256

      2f7f8fc05dc4fd0d5cda501b47e4433357e887bbfed7292c028d99c73b52dc08

      SHA512

      b28adcccf0c33660fecd6f95f28f11f793dc9988582187617b4c113fb4e6fdad4cf7694cd8c0300a477e63536456894d119741a940dda09b7df3ff0087a7eada

    • C:\Users\Admin\AppData\Local\Temp\nsjB889.tmp\modern-wizard.bmp

      Filesize

      25KB

      MD5

      cbe40fd2b1ec96daedc65da172d90022

      SHA1

      366c216220aa4329dff6c485fd0e9b0f4f0a7944

      SHA256

      3ad2dc318056d0a2024af1804ea741146cfc18cc404649a44610cbf8b2056cf2

      SHA512

      62990cb16e37b6b4eff6ab03571c3a82dcaa21a1d393c3cb01d81f62287777fb0b4b27f8852b5fa71bc975feab5baa486d33f2c58660210e115de7e2bd34ea63

    • C:\Users\Admin\AppData\Local\Temp\nsjB889.tmp\nsDialogs.dll

      Filesize

      9KB

      MD5

      6c3f8c94d0727894d706940a8a980543

      SHA1

      0d1bcad901be377f38d579aafc0c41c0ef8dcefd

      SHA256

      56b96add1978b1abba286f7f8982b0efbe007d4a48b3ded6a4d408e01d753fe2

      SHA512

      2094f0e4bb7c806a5ff27f83a1d572a5512d979eefda3345baff27d2c89e828f68466d08c3ca250da11b01fc0407a21743037c25e94fbe688566dd7deaebd355

    • C:\Users\Admin\AppData\Local\Temp\nsjB889.tmp\nsisFirewallW.dll

      Filesize

      8KB

      MD5

      f5bf81a102de52a4add21b8a367e54e0

      SHA1

      cf1e76ffe4a3ecd4dad453112afd33624f16751c

      SHA256

      53be5716ad80945cb99681d5dbda60492f5dfb206fbfdb776b769b3eeb18d2c2

      SHA512

      6e280a75f706474ad31b2ce770fa34f54cb598528fac4477c466200a608b79c0f9b84011545595d9ba94331ad08e2f51bd42de91f92379db27686a28ba351256

    • C:\Users\Admin\AppData\Local\Temp\nsjB889.tmp\nsisFirewallW.dll

      Filesize

      8KB

      MD5

      f5bf81a102de52a4add21b8a367e54e0

      SHA1

      cf1e76ffe4a3ecd4dad453112afd33624f16751c

      SHA256

      53be5716ad80945cb99681d5dbda60492f5dfb206fbfdb776b769b3eeb18d2c2

      SHA512

      6e280a75f706474ad31b2ce770fa34f54cb598528fac4477c466200a608b79c0f9b84011545595d9ba94331ad08e2f51bd42de91f92379db27686a28ba351256

    • C:\Users\Admin\AppData\Local\Temp\nsjB889.tmp\nsisFirewallW.dll

      Filesize

      8KB

      MD5

      f5bf81a102de52a4add21b8a367e54e0

      SHA1

      cf1e76ffe4a3ecd4dad453112afd33624f16751c

      SHA256

      53be5716ad80945cb99681d5dbda60492f5dfb206fbfdb776b769b3eeb18d2c2

      SHA512

      6e280a75f706474ad31b2ce770fa34f54cb598528fac4477c466200a608b79c0f9b84011545595d9ba94331ad08e2f51bd42de91f92379db27686a28ba351256

    • C:\Users\Admin\AppData\Roaming\qBittorrent\watched_folders.json

      Filesize

      4B

      MD5

      5b76b0eef9af8a2300673e0553f609f9

      SHA1

      0b56d40c0630a74abec5398e01c6cd83263feddc

      SHA256

      d914176fd50bd7f565700006a31aa97b79d3ad17cee20c8e5ff2061d5cb74817

      SHA512

      cf06a50de1bf63b7052c19ad53766fa0d99a4d88db76a7cbc672e33276e3d423e4c5f5cb4a8ae188c5c0e17d93bb740eaab6f25753f0d26501c5f84aeded075d

    • memory/704-275-0x00000233F9D10000-0x00000233F9D20000-memory.dmp

      Filesize

      64KB

    • memory/704-291-0x00000233F9D10000-0x00000233F9D20000-memory.dmp

      Filesize

      64KB