Resubmissions

10-08-2021 18:32

210810-mybtygbb2e 3

10-08-2021 18:28

210810-db9sr9zeyj 3

Analysis

  • max time kernel
    118s
  • max time network
    110s
  • platform
    windows7_x64
  • resource
    win7v20210408
  • submitted
    10-08-2021 18:28

General

  • Target

    final/gther4a3.exe

  • Size

    872KB

  • MD5

    c56b5f0201a3b3de53e561fe76912bfd

  • SHA1

    2a4062e10a5de813f5688221dbeb3f3ff33eb417

  • SHA256

    237d1bca6e056df5bb16a1216a434634109478f882d3b1d58344c801d184f95d

  • SHA512

    195b98245bb820085ae9203cdb6d470b749d1f228908093e8606453b027b7d7681ccd7952e30c2f5dd40f8f0b999ccfc60ebb03419b574c08de6816e75710d2c

Score
3/10

Malware Config

Signatures

  • Enumerates physical storage devices 1 TTPs

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

  • Modifies registry class 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\final\gther4a3.exe
    "C:\Users\Admin\AppData\Local\Temp\final\gther4a3.exe"
    1⤵
    • Modifies registry class
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SetWindowsHookEx
    PID:1640
  • C:\Windows\SysWOW64\DllHost.exe
    C:\Windows\SysWOW64\DllHost.exe /Processid:{AB8902B4-09CA-4BB6-B78D-A8F59079A8D5}
    1⤵
      PID:764

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1640-59-0x00000000769B1000-0x00000000769B3000-memory.dmp

      Filesize

      8KB

    • memory/1640-60-0x0000000074D91000-0x0000000074D93000-memory.dmp

      Filesize

      8KB

    • memory/1640-61-0x0000000004620000-0x00000000046EC000-memory.dmp

      Filesize

      816KB