Analysis

  • max time kernel
    120s
  • max time network
    209s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    29/11/2022, 05:55

General

  • Target

    8a12019b513d6c1808e0739682f8c32f696076b9bf5e47264d069a791070b3b7.exe

  • Size

    75KB

  • MD5

    8034b546badfaab52f453eb8cd2eaa76

  • SHA1

    5fd1b9b68c11ab4036e57485fd53e2905a44c810

  • SHA256

    8a12019b513d6c1808e0739682f8c32f696076b9bf5e47264d069a791070b3b7

  • SHA512

    a2b13517487b38e396f98276c3c3ea7125abe1248fa872ccdb5e3e00f00a0c1caa9637d2c8f2032572ad82be019a696e8120e1c3129be96b6416be4cf475430f

  • SSDEEP

    1536:XQZg18LtjGD3r4I+d5MGC8rh5L1G7cf+zO+9nouy8xMJ:Xibtjk3EJM6Lk7cf+zO+FoutxMJ

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\8a12019b513d6c1808e0739682f8c32f696076b9bf5e47264d069a791070b3b7.exe
    "C:\Users\Admin\AppData\Local\Temp\8a12019b513d6c1808e0739682f8c32f696076b9bf5e47264d069a791070b3b7.exe"
    1⤵
    • Adds Run key to start application
    • Modifies Internet Explorer settings
    • Modifies system certificate store
    • Suspicious use of SetWindowsHookEx
    PID:772
  • C:\Windows\system32\AUDIODG.EXE
    C:\Windows\system32\AUDIODG.EXE 0xc8
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:1864

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/772-54-0x0000000075F21000-0x0000000075F23000-memory.dmp

          Filesize

          8KB

        • memory/772-55-0x00000000010E0000-0x000000000111D000-memory.dmp

          Filesize

          244KB

        • memory/772-56-0x00000000010E0000-0x000000000111D000-memory.dmp

          Filesize

          244KB