Analysis

  • max time kernel
    97s
  • max time network
    142s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    03/12/2022, 18:58

General

  • Target

    8f2656d63699286fc788483e54ec5e1e4b5c46433885469345b87e479ab96b29.exe

  • Size

    248KB

  • MD5

    5ca02bec4f0ff3c8cdda71f382a798cd

  • SHA1

    4c14e12a8a110901ea2bd8c7a854bdd7ee066b61

  • SHA256

    8f2656d63699286fc788483e54ec5e1e4b5c46433885469345b87e479ab96b29

  • SHA512

    411de80aab250b064ee96f3de9d08644aeaf252cf8dc1ac73e284d5bdadfdf38ca8d730f7927932383ea10234676a875b995d0069f16cc973a1fb84fb90e32e2

  • SSDEEP

    3072:5ENfTca4JpmjKCWcMitdajnOEu0d3OwdJYk5giD/Yz2out5MJs4U:mNfTcDJ4KCWcf78OEvd35dpnD/Yz2oS

Malware Config

Signatures

  • UPX packed file 2 IoCs

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

  • Adds Run key to start application 2 TTPs 2 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Enumerates physical storage devices 1 TTPs

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

  • Modifies Internet Explorer settings 1 TTPs 3 IoCs
  • Modifies system certificate store 2 TTPs 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8f2656d63699286fc788483e54ec5e1e4b5c46433885469345b87e479ab96b29.exe
    "C:\Users\Admin\AppData\Local\Temp\8f2656d63699286fc788483e54ec5e1e4b5c46433885469345b87e479ab96b29.exe"
    1⤵
    • Adds Run key to start application
    • Modifies Internet Explorer settings
    • Modifies system certificate store
    • Suspicious use of SetWindowsHookEx
    PID:1608
  • C:\Windows\system32\AUDIODG.EXE
    C:\Windows\system32\AUDIODG.EXE 0x2f0
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:1420

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1608-54-0x0000000075A91000-0x0000000075A93000-memory.dmp

    Filesize

    8KB

  • memory/1608-55-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/1608-56-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB