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Analysis

  • max time kernel
    159s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04/10/2022, 04:15

General

  • Target

    5b7b731a85ae507d183b17ccfa85184b82d55a2969e5d4396e70f27ef7d1acbd.exe

  • Size

    60KB

  • MD5

    200c0d056439f0cf98a16748be1d6dfd

  • SHA1

    5dbf0072776307fb38b6a51feb873d5a667befea

  • SHA256

    5b7b731a85ae507d183b17ccfa85184b82d55a2969e5d4396e70f27ef7d1acbd

  • SHA512

    2eff7a4c5a930f2c363c00e34b1067f509f20e3bd4ac29d603b1cb0b0e9de03f1e84fb97bc9b027b455fa1b48e088b6ca7e9e97d593b1c19669da878a385f85c

  • SSDEEP

    768:mJVALL5xSmPhmUOgUuEMB8SCQu0NMRb9qHeFtFSvoPuQ+Oij7:mYLtQy5euj8SC90NMO2tFSwPuQ+Oy

Score
10/10

Malware Config

Signatures

  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 1 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 52 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 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\5b7b731a85ae507d183b17ccfa85184b82d55a2969e5d4396e70f27ef7d1acbd.exe
    "C:\Users\Admin\AppData\Local\Temp\5b7b731a85ae507d183b17ccfa85184b82d55a2969e5d4396e70f27ef7d1acbd.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4076
    • C:\Users\Admin\daunif.exe
      "C:\Users\Admin\daunif.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
      • Suspicious use of WriteProcessMemory
      PID:2092

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\daunif.exe

    Filesize

    60KB

    MD5

    97bc82afa76be540ef348f0a7f82863d

    SHA1

    3eabc5534ba227648e1f6ae4f08065f244c77992

    SHA256

    d30f049f77d72222bb693a87ac81334f3d63e57543a824f0dfcd2c6816a8876b

    SHA512

    b9ca46a89f1ce86bbc83a43a9318ceb8c80c484c6702b4ad6aa4055df2db4ed89d6f442ca78a68064ba2039ae9611fdd42947475a0743eee5ab23369b57d8fb8

  • C:\Users\Admin\daunif.exe

    Filesize

    60KB

    MD5

    97bc82afa76be540ef348f0a7f82863d

    SHA1

    3eabc5534ba227648e1f6ae4f08065f244c77992

    SHA256

    d30f049f77d72222bb693a87ac81334f3d63e57543a824f0dfcd2c6816a8876b

    SHA512

    b9ca46a89f1ce86bbc83a43a9318ceb8c80c484c6702b4ad6aa4055df2db4ed89d6f442ca78a68064ba2039ae9611fdd42947475a0743eee5ab23369b57d8fb8