Analysis

  • max time kernel
    79s
  • max time network
    142s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02-12-2022 00:58

General

  • Target

    d573c2adf27c76b4cba0bc7df90b064601d2d0856ec4d557751a4ede7c9e8c68.exe

  • Size

    230KB

  • MD5

    961f0cf62c070058be49fc3adf542ca3

  • SHA1

    88935050a276da7e7c9dd258d6d1c5368507a65c

  • SHA256

    d573c2adf27c76b4cba0bc7df90b064601d2d0856ec4d557751a4ede7c9e8c68

  • SHA512

    4b8855ab3487af4555a833f3d8a18da28dce4fcd841cc0d252a9dfbd364bc9c38a482de273bf28a29d6c06b1a1e6150d964fb9f23356304525b9e4be4896451e

  • SSDEEP

    6144:WTW/dcbzyqoN9jM0aIvrUfTKl04sJaGSufvfPoVAMMGn:WbbzyTNpMfvTKl04sJaGSufvfP8AMp

Score
10/10

Malware Config

Signatures

  • Modifies visibility of file extensions in Explorer 2 TTPs 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Enumerates connected drives 3 TTPs 22 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops autorun.inf file 1 TTPs 2 IoCs

    Malware can abuse Windows Autorun to spread further via attached volumes.

  • Drops file in Program Files directory 1 IoCs
  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d573c2adf27c76b4cba0bc7df90b064601d2d0856ec4d557751a4ede7c9e8c68.exe
    "C:\Users\Admin\AppData\Local\Temp\d573c2adf27c76b4cba0bc7df90b064601d2d0856ec4d557751a4ede7c9e8c68.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2440
    • C:\Documents and Settings\tazebama.dl_
      "C:\Documents and Settings\tazebama.dl_"
      2⤵
      • Modifies visibility of file extensions in Explorer
      • Executes dropped EXE
      • Adds Run key to start application
      • Enumerates connected drives
      • Drops autorun.inf file
      • Drops file in Program Files directory
      • Suspicious behavior: EnumeratesProcesses
      PID:4636
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4636 -s 724
        3⤵
        • Program crash
        PID:1872
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 4636 -ip 4636
    1⤵
      PID:5080

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Documents and Settings\tazebama.dl_

      Filesize

      151KB

      MD5

      17ec26951c5a298c3834220e0fbe80f8

      SHA1

      420bee7bc6f70e2d0d765fbaa45bd242f098f7e8

      SHA256

      ff347ad4ec1e687f0712ac7b510c303925d409e6baeee93c65a91ac02a9e28f3

      SHA512

      9d7f704bb610110c6af840267f72e189bff27f0fcfe9819e790fe2a6a26fbec74f57896fa173d49113baa754c43b83b204fb5ab12f0de3a7b3d8958fd8901b9c

    • C:\Users\tazebama.dl_

      Filesize

      151KB

      MD5

      17ec26951c5a298c3834220e0fbe80f8

      SHA1

      420bee7bc6f70e2d0d765fbaa45bd242f098f7e8

      SHA256

      ff347ad4ec1e687f0712ac7b510c303925d409e6baeee93c65a91ac02a9e28f3

      SHA512

      9d7f704bb610110c6af840267f72e189bff27f0fcfe9819e790fe2a6a26fbec74f57896fa173d49113baa754c43b83b204fb5ab12f0de3a7b3d8958fd8901b9c

    • C:\Users\tazebama.dll

      Filesize

      32KB

      MD5

      b6a03576e595afacb37ada2f1d5a0529

      SHA1

      d598d4d0e70dec2ffa2849edaeb4db94fedcc0b8

      SHA256

      1707eaf60aa91f3791aa5643bfa038e9d8141878d61f5d701ebac51f4ae7aaad

      SHA512

      181b7cc6479352fe2c53c3630d45a839cdeb74708be6709c2a75847a54de3ffc1fdac8450270dde7174ecb23e5cb002f8ce39032429a3112b1202f3381b8918c

    • memory/2440-132-0x0000000000400000-0x0000000000418000-memory.dmp

      Filesize

      96KB

    • memory/2440-137-0x0000000000400000-0x0000000000418000-memory.dmp

      Filesize

      96KB

    • memory/2440-139-0x0000000000400000-0x0000000000418000-memory.dmp

      Filesize

      96KB

    • memory/4636-138-0x0000000000400000-0x0000000000416000-memory.dmp

      Filesize

      88KB

    • memory/4636-140-0x0000000000400000-0x0000000000416000-memory.dmp

      Filesize

      88KB