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Analysis

  • max time kernel
    148s
  • max time network
    153s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    06/12/2022, 07:47

General

  • Target

    be23b4adf47f671948d22e41e76c782d831cf33fca4a43cfcffbbb4ff97f985a.exe

  • Size

    556KB

  • MD5

    8aa1d3cf41507cd49a5cfe4a58c5d10b

  • SHA1

    0bebd08ff9f2a25aa3760259eecfa07b6829d797

  • SHA256

    be23b4adf47f671948d22e41e76c782d831cf33fca4a43cfcffbbb4ff97f985a

  • SHA512

    fe32532ec164e447b48eedf59f0fb6bd10a0764341304ecc699cbdc1a1022ef098f3e0a7e9669439658bfcae34bdf5cf2dfe239d1bd6f96c6807f2e9fb0f3a3b

  • SSDEEP

    12288:oGosTxSzpDq5VNYdyOshT5l4/86CaIhvPfNMIM1P27QwMMT6:oGosTxSEXzOV/UaIBNLMp20wMMT6

Score
8/10

Malware Config

Signatures

  • UPX packed file 5 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\be23b4adf47f671948d22e41e76c782d831cf33fca4a43cfcffbbb4ff97f985a.exe
    "C:\Users\Admin\AppData\Local\Temp\be23b4adf47f671948d22e41e76c782d831cf33fca4a43cfcffbbb4ff97f985a.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:1184
    • C:\Users\Admin\AppData\Local\Temp\be23b4adf47f671948d22e41e76c782d831cf33fca4a43cfcffbbb4ff97f985a.exe
      "C:\Users\Admin\AppData\Local\Temp\be23b4adf47f671948d22e41e76c782d831cf33fca4a43cfcffbbb4ff97f985a.exe" /_ShowProgress
      2⤵
        PID:2040

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • \Users\Admin\AppData\Local\Temp\ICReinstall_be23b4adf47f671948d22e41e76c782d831cf33fca4a43cfcffbbb4ff97f985a.exe

      Filesize

      556KB

      MD5

      8aa1d3cf41507cd49a5cfe4a58c5d10b

      SHA1

      0bebd08ff9f2a25aa3760259eecfa07b6829d797

      SHA256

      be23b4adf47f671948d22e41e76c782d831cf33fca4a43cfcffbbb4ff97f985a

      SHA512

      fe32532ec164e447b48eedf59f0fb6bd10a0764341304ecc699cbdc1a1022ef098f3e0a7e9669439658bfcae34bdf5cf2dfe239d1bd6f96c6807f2e9fb0f3a3b

    • memory/1184-55-0x0000000074BB1000-0x0000000074BB3000-memory.dmp

      Filesize

      8KB

    • memory/1184-54-0x0000000000400000-0x0000000000522000-memory.dmp

      Filesize

      1.1MB

    • memory/1184-56-0x0000000000400000-0x0000000000522000-memory.dmp

      Filesize

      1.1MB

    • memory/1184-60-0x00000000050D0000-0x00000000051F2000-memory.dmp

      Filesize

      1.1MB

    • memory/1184-61-0x0000000002330000-0x0000000002340000-memory.dmp

      Filesize

      64KB

    • memory/1184-64-0x0000000000400000-0x0000000000522000-memory.dmp

      Filesize

      1.1MB

    • memory/1184-66-0x0000000002330000-0x0000000002340000-memory.dmp

      Filesize

      64KB

    • memory/1184-65-0x00000000050D0000-0x00000000051F2000-memory.dmp

      Filesize

      1.1MB

    • memory/2040-58-0x0000000000400000-0x0000000000522000-memory.dmp

      Filesize

      1.1MB