Analysis

  • max time kernel
    168s
  • max time network
    173s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    02/12/2022, 18:09

General

  • Target

    872ff26dd9788b4989b714812ebab2d32315f8fdccf7db155f157dfc02e22c3f.exe

  • Size

    556KB

  • MD5

    e9477121a008b8fc83163e8c14597523

  • SHA1

    b7b2bc4f644a270f6cb3991d30e673dd4b3a54fa

  • SHA256

    872ff26dd9788b4989b714812ebab2d32315f8fdccf7db155f157dfc02e22c3f

  • SHA512

    42c7b262d6c84284bfede5cbf5d8e2801ad8496a33108266846ab4fb0e836bccf529a9dff1685599aac9e00b61dedf65ae4c52ac050e708998a02cbff5c16466

  • SSDEEP

    12288:gGosTxSzpDq5VNYdyOshT5l4/86CaIhvPfNMIM1P27QwMMT6:gGosTxSEXzOV/UaIBNLMp20wMMT6

Score
8/10

Malware Config

Signatures

  • UPX packed file 6 IoCs

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

  • Loads dropped DLL 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

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

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

  • Modifies Internet Explorer settings 1 TTPs 1 IoCs
  • Modifies system certificate store 2 TTPs 6 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\872ff26dd9788b4989b714812ebab2d32315f8fdccf7db155f157dfc02e22c3f.exe
    "C:\Users\Admin\AppData\Local\Temp\872ff26dd9788b4989b714812ebab2d32315f8fdccf7db155f157dfc02e22c3f.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in Program Files directory
    • Modifies Internet Explorer settings
    • Modifies system certificate store
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1884
    • C:\Users\Admin\AppData\Local\Temp\872ff26dd9788b4989b714812ebab2d32315f8fdccf7db155f157dfc02e22c3f.exe
      "C:\Users\Admin\AppData\Local\Temp\872ff26dd9788b4989b714812ebab2d32315f8fdccf7db155f157dfc02e22c3f.exe" /_ShowProgress
      2⤵
        PID:980

    Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • \Users\Admin\AppData\Local\Temp\ICReinstall_872ff26dd9788b4989b714812ebab2d32315f8fdccf7db155f157dfc02e22c3f.exe

            Filesize

            556KB

            MD5

            e9477121a008b8fc83163e8c14597523

            SHA1

            b7b2bc4f644a270f6cb3991d30e673dd4b3a54fa

            SHA256

            872ff26dd9788b4989b714812ebab2d32315f8fdccf7db155f157dfc02e22c3f

            SHA512

            42c7b262d6c84284bfede5cbf5d8e2801ad8496a33108266846ab4fb0e836bccf529a9dff1685599aac9e00b61dedf65ae4c52ac050e708998a02cbff5c16466

          • memory/980-60-0x0000000000400000-0x0000000000522000-memory.dmp

            Filesize

            1.1MB

          • memory/980-61-0x0000000000400000-0x0000000000522000-memory.dmp

            Filesize

            1.1MB

          • memory/1884-55-0x0000000075E31000-0x0000000075E33000-memory.dmp

            Filesize

            8KB

          • memory/1884-54-0x0000000000400000-0x0000000000522000-memory.dmp

            Filesize

            1.1MB

          • memory/1884-56-0x0000000000400000-0x0000000000522000-memory.dmp

            Filesize

            1.1MB

          • memory/1884-65-0x0000000002060000-0x0000000002070000-memory.dmp

            Filesize

            64KB

          • memory/1884-66-0x0000000000400000-0x0000000000522000-memory.dmp

            Filesize

            1.1MB

          • memory/1884-67-0x00000000066D0000-0x00000000067F2000-memory.dmp

            Filesize

            1.1MB

          • memory/1884-68-0x0000000002060000-0x0000000002070000-memory.dmp

            Filesize

            64KB