Analysis

  • max time kernel
    152s
  • max time network
    166s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30/10/2022, 20:11

General

  • Target

    f1a930a677467751ae35f3f05a54d67ceef6c734b6f449e5ab3093c24c8d34a0.exe

  • Size

    232KB

  • MD5

    8373d81882668d99d5e3bc3ff96bd1de

  • SHA1

    2fb985bd7502482bca3af16181d673eafe2e87b3

  • SHA256

    f1a930a677467751ae35f3f05a54d67ceef6c734b6f449e5ab3093c24c8d34a0

  • SHA512

    7b3a7d0b51a985962fe7ed561c06cd73cef09c08512745eca88713a1ee92a9ee378eed39040fc2bfe726520085337af287cb578b47649f97cc477466fdf984e3

  • SSDEEP

    3072:MpMeBcXYwN1Smm727IJCkvIwXX4Ph0ApMX3KKl+Hv/91I/2XplDtg:MpPBcXYwN1S327Y54Ph0TX1kd18CpI

Score
10/10

Malware Config

Signatures

  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
  • Executes dropped EXE 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Adds Run key to start application 2 TTPs 53 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f1a930a677467751ae35f3f05a54d67ceef6c734b6f449e5ab3093c24c8d34a0.exe
    "C:\Users\Admin\AppData\Local\Temp\f1a930a677467751ae35f3f05a54d67ceef6c734b6f449e5ab3093c24c8d34a0.exe"
    1⤵
    • Modifies visiblity of hidden/system files in Explorer
    • Checks computer location settings
    • Adds Run key to start application
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2064
    • C:\Users\Admin\muooc.exe
      "C:\Users\Admin\muooc.exe"
      2⤵
      • Modifies visiblity of hidden/system files in Explorer
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      PID:376

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        • C:\Users\Admin\muooc.exe

          Filesize

          232KB

          MD5

          7c65929ff88a7acc6309f369382b657f

          SHA1

          75c7a2245f4a8525fe233370ebf22ae4ecbed93c

          SHA256

          0ec8bfd27677176deb1a26e9a90d17715380df80ccf1529f8861bc165b34041a

          SHA512

          ac2f3d5fbd8335b7cd7513871d9cbf37e9ee0142c8216ca7c4aa52487056fb86a71c63cd7ad644bc51573e087710e03c9d283a710844697887f9fd43be9f34c2

        • C:\Users\Admin\muooc.exe

          Filesize

          232KB

          MD5

          7c65929ff88a7acc6309f369382b657f

          SHA1

          75c7a2245f4a8525fe233370ebf22ae4ecbed93c

          SHA256

          0ec8bfd27677176deb1a26e9a90d17715380df80ccf1529f8861bc165b34041a

          SHA512

          ac2f3d5fbd8335b7cd7513871d9cbf37e9ee0142c8216ca7c4aa52487056fb86a71c63cd7ad644bc51573e087710e03c9d283a710844697887f9fd43be9f34c2