Analysis

  • max time kernel
    150s
  • max time network
    155s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    03-12-2022 13:43

General

  • Target

    f03fa51c89d3490aadbafff1c27e058b1c38d1935399bff8ab228008052e0ed4.exe

  • Size

    1.1MB

  • MD5

    4bc8fe2587ce29dfe134cfb95c9c3ae1

  • SHA1

    deae922e8c6f829af66027616b62cb820cb2eaab

  • SHA256

    f03fa51c89d3490aadbafff1c27e058b1c38d1935399bff8ab228008052e0ed4

  • SHA512

    e41ca5c0a4125b71042f23c4ec40ec6d4d4f7162904ba3111df708d180d60c80626a8c19bfe92461b2d81d3983c3578105ae1e7484efb9d77f509ea205bb60c2

  • SSDEEP

    24576:k2B/px66T9tEern9hV+JwpzOU+T0qtFUYDiMMLe:kBo9tVJ6TDFUYDiMMa

Score
8/10

Malware Config

Signatures

  • UPX packed file 3 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

Processes

  • C:\Users\Admin\AppData\Local\Temp\f03fa51c89d3490aadbafff1c27e058b1c38d1935399bff8ab228008052e0ed4.exe
    "C:\Users\Admin\AppData\Local\Temp\f03fa51c89d3490aadbafff1c27e058b1c38d1935399bff8ab228008052e0ed4.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in Program Files directory
    • Modifies Internet Explorer settings
    • Modifies system certificate store
    • Suspicious use of SetWindowsHookEx
    PID:1184

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • \Users\Admin\AppData\Local\Temp\ICReinstall_f03fa51c89d3490aadbafff1c27e058b1c38d1935399bff8ab228008052e0ed4.exe

    Filesize

    1.1MB

    MD5

    4bc8fe2587ce29dfe134cfb95c9c3ae1

    SHA1

    deae922e8c6f829af66027616b62cb820cb2eaab

    SHA256

    f03fa51c89d3490aadbafff1c27e058b1c38d1935399bff8ab228008052e0ed4

    SHA512

    e41ca5c0a4125b71042f23c4ec40ec6d4d4f7162904ba3111df708d180d60c80626a8c19bfe92461b2d81d3983c3578105ae1e7484efb9d77f509ea205bb60c2

  • memory/1184-54-0x0000000074BB1000-0x0000000074BB3000-memory.dmp

    Filesize

    8KB

  • memory/1184-55-0x0000000000400000-0x0000000000521000-memory.dmp

    Filesize

    1.1MB

  • memory/1184-59-0x00000000023F0000-0x0000000002400000-memory.dmp

    Filesize

    64KB

  • memory/1184-60-0x0000000000400000-0x0000000000521000-memory.dmp

    Filesize

    1.1MB

  • memory/1184-61-0x00000000023F0000-0x0000000002400000-memory.dmp

    Filesize

    64KB