Analysis

  • max time kernel
    202s
  • max time network
    243s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    03/12/2022, 15:49

General

  • Target

    90c0064f59d3dc1115710af38985fa4a4cfec235a3cefa4a3c285a53e03ba40f.exe

  • Size

    556KB

  • MD5

    510df7e3e31a404bccc43d7fd910e6b3

  • SHA1

    8ec617301cf14b0264df70f8763870684b31e3ff

  • SHA256

    90c0064f59d3dc1115710af38985fa4a4cfec235a3cefa4a3c285a53e03ba40f

  • SHA512

    88eca0cfa63e1ff094ef0c81e90291239e34e033b461e8ec50556dd7ac566e828576a71e54d1a4eac38e6667414f13d32f8ffde8595d77285fbc5abe279d9aac

  • SSDEEP

    12288:aGosTxSzpDq5VNYdyOshT5l4/86CaIhvPfNMIM1P27QwMMT6:aGosTxSEXzOV/UaIBNLMp20wMMT6

Score
8/10

Malware Config

Signatures

  • UPX packed file 7 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\90c0064f59d3dc1115710af38985fa4a4cfec235a3cefa4a3c285a53e03ba40f.exe
    "C:\Users\Admin\AppData\Local\Temp\90c0064f59d3dc1115710af38985fa4a4cfec235a3cefa4a3c285a53e03ba40f.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:1772
    • C:\Users\Admin\AppData\Local\Temp\90c0064f59d3dc1115710af38985fa4a4cfec235a3cefa4a3c285a53e03ba40f.exe
      "C:\Users\Admin\AppData\Local\Temp\90c0064f59d3dc1115710af38985fa4a4cfec235a3cefa4a3c285a53e03ba40f.exe" /_ShowProgress
      2⤵
        PID:1548

    Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • \Users\Admin\AppData\Local\Temp\ICReinstall_90c0064f59d3dc1115710af38985fa4a4cfec235a3cefa4a3c285a53e03ba40f.exe

            Filesize

            556KB

            MD5

            510df7e3e31a404bccc43d7fd910e6b3

            SHA1

            8ec617301cf14b0264df70f8763870684b31e3ff

            SHA256

            90c0064f59d3dc1115710af38985fa4a4cfec235a3cefa4a3c285a53e03ba40f

            SHA512

            88eca0cfa63e1ff094ef0c81e90291239e34e033b461e8ec50556dd7ac566e828576a71e54d1a4eac38e6667414f13d32f8ffde8595d77285fbc5abe279d9aac

          • memory/1548-61-0x0000000000400000-0x0000000000522000-memory.dmp

            Filesize

            1.1MB

          • memory/1548-62-0x0000000000400000-0x0000000000522000-memory.dmp

            Filesize

            1.1MB

          • memory/1548-63-0x0000000000400000-0x0000000000522000-memory.dmp

            Filesize

            1.1MB

          • memory/1772-54-0x0000000000400000-0x0000000000522000-memory.dmp

            Filesize

            1.1MB

          • memory/1772-55-0x00000000766F1000-0x00000000766F3000-memory.dmp

            Filesize

            8KB

          • memory/1772-56-0x0000000000400000-0x0000000000522000-memory.dmp

            Filesize

            1.1MB

          • memory/1772-57-0x0000000000400000-0x0000000000522000-memory.dmp

            Filesize

            1.1MB

          • memory/1772-67-0x0000000004C30000-0x0000000004C40000-memory.dmp

            Filesize

            64KB