Analysis

  • max time kernel
    151s
  • max time network
    46s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    31-10-2022 01:15

General

  • Target

    a467ec0367dabeb6e153cf048bfade13a3421bc2321a2bc20084c6297f99f69b.exe

  • Size

    282KB

  • MD5

    91b8a3ebbabd949fa72c50b2f7424600

  • SHA1

    e8be25e7f1767ef67d820139cd3aecc2ce2afd48

  • SHA256

    a467ec0367dabeb6e153cf048bfade13a3421bc2321a2bc20084c6297f99f69b

  • SHA512

    c7733d6ffc5653690f647d46330119426f2adbb221221668d904cd4f261f16307e2056fab0298ae28931e059e871584e53ac2734a3c30559e307a949464f23db

  • SSDEEP

    1536:x3M6ru8+BfQsABHOx1cHE0+Q8g754voiGYkTHV:x3MBpYsABHy+FFiGYkTHV

Score
10/10

Malware Config

Signatures

  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
  • Modifies visibility of file extensions in Explorer 2 TTPs 1 IoCs
  • Modifies visiblity of hidden/system files in Explorer 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 3 IoCs
  • Enumerates connected drives 3 TTPs 22 IoCs

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

  • Drops autorun.inf file 1 TTPs 2 IoCs

    Malware can abuse Windows Autorun to spread further via attached volumes.

  • Drops file in System32 directory 13 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • System policy modification 1 TTPs 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a467ec0367dabeb6e153cf048bfade13a3421bc2321a2bc20084c6297f99f69b.exe
    "C:\Users\Admin\AppData\Local\Temp\a467ec0367dabeb6e153cf048bfade13a3421bc2321a2bc20084c6297f99f69b.exe"
    1⤵
    • Modifies WinLogon for persistence
    • Modifies visibility of file extensions in Explorer
    • Modifies visiblity of hidden/system files in Explorer
    • Adds Run key to start application
    • Enumerates connected drives
    • Drops autorun.inf file
    • Drops file in System32 directory
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • System policy modification
    PID:896

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/896-56-0x0000000075E31000-0x0000000075E33000-memory.dmp

    Filesize

    8KB

  • memory/896-57-0x0000000000400000-0x0000000000457000-memory.dmp

    Filesize

    348KB

  • memory/896-58-0x0000000000400000-0x0000000000457000-memory.dmp

    Filesize

    348KB