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Analysis

  • max time kernel
    177s
  • max time network
    184s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01/12/2022, 23:24

General

  • Target

    56e0b01ebcd92ccf499cbbbbd595d809e79817fcac16fae7d7a5a8397f452b02.exe

  • Size

    136KB

  • MD5

    66ab7a654954d4b9c0fe095a4f16d48c

  • SHA1

    d52fe88f687ff73b0a0702344e58cd443ebc0bcc

  • SHA256

    56e0b01ebcd92ccf499cbbbbd595d809e79817fcac16fae7d7a5a8397f452b02

  • SHA512

    bbb1ebf3327a23fca6bd308fd2e7ea5c065f7fcff030f40a6bc5413ab60a45bde9a7ddf89ff4175f9f00a9715b956947c85bca1ab67c5210899dbf817b7c8e33

  • SSDEEP

    3072:JwIhRG/Je/c38E6tZqAwQh5dKnxo3CfNynXp5ucK1FaGaB0W+A:6IzkAwujSW+A

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 29 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\56e0b01ebcd92ccf499cbbbbd595d809e79817fcac16fae7d7a5a8397f452b02.exe
    "C:\Users\Admin\AppData\Local\Temp\56e0b01ebcd92ccf499cbbbbd595d809e79817fcac16fae7d7a5a8397f452b02.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:4356
    • C:\Users\Admin\govaf.exe
      "C:\Users\Admin\govaf.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:4844

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\govaf.exe

    Filesize

    136KB

    MD5

    4ac529c5143764be354b620315809b0d

    SHA1

    6b1ac149cd74732b77de090fcef3c11957d01786

    SHA256

    05e3b34a0b9b704b56ca949f9662eb6d4acdb679c4b343a186b58bd53780caa7

    SHA512

    5fc7e87eb7b10eb9e2a638e30e4e0fc3ab7fe259d5142f5d259ccecad107b8c04debaa4afc1663fdbd505c1cf825607dff7b8a736eb823ddac449bb253024d10

  • C:\Users\Admin\govaf.exe

    Filesize

    136KB

    MD5

    4ac529c5143764be354b620315809b0d

    SHA1

    6b1ac149cd74732b77de090fcef3c11957d01786

    SHA256

    05e3b34a0b9b704b56ca949f9662eb6d4acdb679c4b343a186b58bd53780caa7

    SHA512

    5fc7e87eb7b10eb9e2a638e30e4e0fc3ab7fe259d5142f5d259ccecad107b8c04debaa4afc1663fdbd505c1cf825607dff7b8a736eb823ddac449bb253024d10