Analysis

  • max time kernel
    151s
  • max time network
    206s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    06/12/2022, 08:28

General

  • Target

    a9f626a67fd98c75d8449a5c55c831ae6f3370e0c2a97762d8ae152fd68572aa.exe

  • Size

    556KB

  • MD5

    573c508c9ae7f7632277116e40569617

  • SHA1

    43acb46964a49a377dd11200309c6d5a9d5d11c0

  • SHA256

    a9f626a67fd98c75d8449a5c55c831ae6f3370e0c2a97762d8ae152fd68572aa

  • SHA512

    48fb0f9fa9867d21d635bf6c9c754e8fd206f1fe1dc13e000130432d748c540b6829c0bef91d0616bb2ba996b52cea71cdededcae49eb5694699d85a29fda623

  • SSDEEP

    12288:JGosTxSzpDq5VNYdyOshT5l4/86CaIhvPfNMIM1P27QwMMT6:JGosTxSEXzOV/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\a9f626a67fd98c75d8449a5c55c831ae6f3370e0c2a97762d8ae152fd68572aa.exe
    "C:\Users\Admin\AppData\Local\Temp\a9f626a67fd98c75d8449a5c55c831ae6f3370e0c2a97762d8ae152fd68572aa.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:936
    • C:\Users\Admin\AppData\Local\Temp\a9f626a67fd98c75d8449a5c55c831ae6f3370e0c2a97762d8ae152fd68572aa.exe
      "C:\Users\Admin\AppData\Local\Temp\a9f626a67fd98c75d8449a5c55c831ae6f3370e0c2a97762d8ae152fd68572aa.exe" /_ShowProgress
      2⤵
        PID:556

    Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • \Users\Admin\AppData\Local\Temp\ICReinstall_a9f626a67fd98c75d8449a5c55c831ae6f3370e0c2a97762d8ae152fd68572aa.exe

            Filesize

            556KB

            MD5

            573c508c9ae7f7632277116e40569617

            SHA1

            43acb46964a49a377dd11200309c6d5a9d5d11c0

            SHA256

            a9f626a67fd98c75d8449a5c55c831ae6f3370e0c2a97762d8ae152fd68572aa

            SHA512

            48fb0f9fa9867d21d635bf6c9c754e8fd206f1fe1dc13e000130432d748c540b6829c0bef91d0616bb2ba996b52cea71cdededcae49eb5694699d85a29fda623

          • memory/556-61-0x0000000000400000-0x0000000000522000-memory.dmp

            Filesize

            1.1MB

          • memory/556-62-0x0000000000400000-0x0000000000522000-memory.dmp

            Filesize

            1.1MB

          • memory/556-63-0x0000000000400000-0x0000000000522000-memory.dmp

            Filesize

            1.1MB

          • memory/936-54-0x0000000000400000-0x0000000000522000-memory.dmp

            Filesize

            1.1MB

          • memory/936-55-0x0000000076941000-0x0000000076943000-memory.dmp

            Filesize

            8KB

          • memory/936-56-0x0000000000400000-0x0000000000522000-memory.dmp

            Filesize

            1.1MB

          • memory/936-60-0x0000000000400000-0x0000000000522000-memory.dmp

            Filesize

            1.1MB

          • memory/936-64-0x0000000004220000-0x0000000004342000-memory.dmp

            Filesize

            1.1MB

          • memory/936-67-0x0000000000870000-0x0000000000880000-memory.dmp

            Filesize

            64KB

          • memory/936-68-0x0000000000870000-0x0000000000880000-memory.dmp

            Filesize

            64KB