Resubmissions

11/10/2022, 21:50

221011-1qah4agacq 10

11/10/2022, 19:59

221011-yqhtcscbgk 10

11/10/2022, 19:33

221011-x9v3csbeb8 10

11/10/2022, 19:30

221011-x71j3abdc9 10

11/10/2022, 17:12

221011-vq4t2sfccr 10

11/10/2022, 17:06

221011-vmnzesfahq 10

Analysis

  • max time kernel
    1773s
  • max time network
    1209s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11/10/2022, 21:50

General

  • Target

    quote.exe

  • Size

    310KB

  • MD5

    bd8e7774e8a6ecb128344f67a186de29

  • SHA1

    bb8f6320dbbe179952aefed8ad37678a97385c8c

  • SHA256

    4d98cc89b7f976334ec2df4964679ae40ce2efa5e0ea93e44a88cd832e122daf

  • SHA512

    28663d4fc87dc2c4c529b3ea8a27fc8f2c38bf34600ae1ff594da428fbb140cb2dab31ec219a75ed3814b74f0a7c64d03d48fc5aee451a2faf1dfcb27dba1069

  • SSDEEP

    6144:xB+pqUQLU87hsR0qW6IqiQ928gJzoQRT0uAg67asMexycpMFX59F7MfZUSi2XxKL:xgKL2i0uAxasM2W55D4f+xOVn4uoF

Score
7/10

Malware Config

Signatures

  • Loads dropped DLL 1 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 Windows directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies registry class 2 IoCs
  • Opens file in notepad (likely ransom note) 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\quote.exe
    "C:\Users\Admin\AppData\Local\Temp\quote.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in Windows directory
    PID:3948
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k LocalService -p -s fdPHost
    1⤵
      PID:2004
    • C:\Windows\system32\NOTEPAD.EXE
      "C:\Windows\system32\NOTEPAD.EXE" C:\Roseen.ini
      1⤵
      • Opens file in notepad (likely ransom note)
      PID:1644
    • C:\Windows\System32\rundll32.exe
      C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
      1⤵
        PID:4500
      • C:\Windows\System32\rundll32.exe
        C:\Windows\System32\rundll32.exe shell32.dll,SHCreateLocalServerRunDll {c82192ee-6cb5-4bc0-9ef0-fb818773790a} -Embedding
        1⤵
          PID:4784
        • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\CasPol.exe
          "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\CasPol.exe"
          1⤵
            PID:4504
          • C:\Windows\system32\OpenWith.exe
            C:\Windows\system32\OpenWith.exe -Embedding
            1⤵
            • Modifies registry class
            • Suspicious use of SetWindowsHookEx
            PID:2712
          • C:\Windows\system32\OpenWith.exe
            C:\Windows\system32\OpenWith.exe -Embedding
            1⤵
            • Modifies registry class
            • Suspicious use of SetWindowsHookEx
            PID:1648

          Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

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          Downloads

          • C:\Users\Admin\AppData\Local\Temp\nso1ED4.tmp\System.dll

            Filesize

            11KB

            MD5

            0ff2d70cfdc8095ea99ca2dabbec3cd7

            SHA1

            10c51496d37cecd0e8a503a5a9bb2329d9b38116

            SHA256

            982c5fb7ada7d8c9bc3e419d1c35da6f05bc5dd845940c179af3a33d00a36a8b

            SHA512

            cb5fc0b3194f469b833c2c9abf493fcec5251e8609881b7f5e095b9bd09ed468168e95dda0ba415a7d8d6b7f0dee735467c0ed8e52b223eb5359986891ba6e2e

          • memory/3948-133-0x00000000031E0000-0x00000000032BB000-memory.dmp

            Filesize

            876KB

          • memory/3948-134-0x00000000031E0000-0x00000000032BB000-memory.dmp

            Filesize

            876KB

          • memory/4504-135-0x0000022DC01A0000-0x0000022DC01BA000-memory.dmp

            Filesize

            104KB

          • memory/4504-136-0x00007FF82C680000-0x00007FF82D141000-memory.dmp

            Filesize

            10.8MB