Analysis

  • max time kernel
    71s
  • max time network
    45s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    19/10/2022, 15:39

General

  • Target

    1fdbbafb6e0fd038db86fada619e36b056952a2e852c63a6f8c030a8e18b4091.exe

  • Size

    35KB

  • MD5

    a1d3f9a352a44eb0f6f6cec9a357dcd0

  • SHA1

    a03d27547d45a5e79719d6d00d6c58e3fdd815bb

  • SHA256

    1fdbbafb6e0fd038db86fada619e36b056952a2e852c63a6f8c030a8e18b4091

  • SHA512

    4060d3def6269b71f62f20bee5779e8cf5188afe366d2c56b5268c3774a493d192d10d7ee842fadb5bde949417a3860f5550531a0fc36e04cd30819d9398d863

  • SSDEEP

    768:OWMRMO8nnF1Yt/ybUZkFPd8wpS9hucD5+KwqrrwZc:OL8nM5ybQ/4YhT3wqo+

Score
8/10

Malware Config

Signatures

  • Adds policy Run key to start application 2 TTPs 4 IoCs
  • Sets service image path in registry 2 TTPs 1 IoCs
  • UPX packed file 2 IoCs

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

  • Adds Run key to start application 2 TTPs 6 IoCs
  • Enumerates connected drives 3 TTPs 22 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops file in System32 directory 1 IoCs
  • Drops file in Windows directory 13 IoCs
  • Modifies registry class 3 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1fdbbafb6e0fd038db86fada619e36b056952a2e852c63a6f8c030a8e18b4091.exe
    "C:\Users\Admin\AppData\Local\Temp\1fdbbafb6e0fd038db86fada619e36b056952a2e852c63a6f8c030a8e18b4091.exe"
    1⤵
    • Adds policy Run key to start application
    • Sets service image path in registry
    • Adds Run key to start application
    • Enumerates connected drives
    • Drops file in System32 directory
    • Drops file in Windows directory
    • Modifies registry class
    • Suspicious use of FindShellTrayWindow
    PID:1660

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/1660-54-0x0000000075FB1000-0x0000000075FB3000-memory.dmp

    Filesize

    8KB

  • memory/1660-55-0x0000000000400000-0x000000000049D000-memory.dmp

    Filesize

    628KB

  • memory/1660-56-0x0000000000400000-0x000000000049D000-memory.dmp

    Filesize

    628KB