Analysis

  • max time kernel
    150s
  • max time network
    147s
  • platform
    windows10_x64
  • resource
    win10
  • submitted
    16/07/2020, 14:13

General

  • Target
    bb14728459929940d4a7c6fd636177faacc0a23e4f75e526f12259e78a3853e7.exe
  • Size 319KB
  • Sample200716-y323whyxss
  • SHA256 bb14728459929940d4a7c6fd636177faacc0a23e4f75e526f12259e78a3853e7
  • MD5 SHA1 SHA512
Score
8/10

Malware Config

Signatures

  • Loads dropped DLL 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 8 IoCs
  • Suspicious use of SetWindowsHookEx 1357 IoCs
  • Modifies data under HKEY_USERS 42 IoCs
  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Drops file in Windows directory 40 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs
  • Executes dropped EXE 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 330 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 3 IoCs
  • Drops file in System32 directory 2 IoCs
  • Checks SCSI registry key(s) 3 TTPs 18 IoCs

    SCSI information is often read in order to detect sandboxing environments.

Processes

  • C:\Users\Admin\AppData\Local\Temp\bb14728459929940d4a7c6fd636177faacc0a23e4f75e526f12259e78a3853e7.exe
    "C:\Users\Admin\AppData\Local\Temp\bb14728459929940d4a7c6fd636177faacc0a23e4f75e526f12259e78a3853e7.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3728
    • C:\Users\Admin\AppData\Local\Temp\RarSFX0\evt.exe
      "C:\Users\Admin\AppData\Local\Temp\RarSFX0\evt.exe"
      2⤵
      • Loads dropped DLL
      • Executes dropped EXE
      PID:3884
  • C:\ProgramData\EventSetting\evt.exe
    C:\ProgramData\EventSetting\evt.exe
    1⤵
    • Loads dropped DLL
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    • Executes dropped EXE
    • Suspicious behavior: EnumeratesProcesses
    PID:3496
    • C:\Windows\SysWOW64\svchost.exe
      C:\Windows\system32\svchost.exe
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      • Suspicious behavior: GetForegroundWindowSpam
      PID:740
      • C:\Program Files (x86)\Windows Media Player\wmplayer.exe
        "C:\Program Files (x86)\Windows Media Player\wmplayer.exe"
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        • Checks processor information in registry
        • Suspicious use of WriteProcessMemory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: GetForegroundWindowSpam
        PID:1844
        • C:\Program Files (x86)\Windows Media Player\wmplayer.exe
          "C:\Program Files (x86)\Windows Media Player\wmplayer.exe"
          4⤵
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious behavior: GetForegroundWindowSpam
          PID:556
  • C:\Windows\system32\WerFault.exe
    "C:\Windows\system32\WerFault.exe" -k -lc NDIS NDIS-20200716-1414.dmp
    1⤵
    • Modifies data under HKEY_USERS
    • Drops file in Windows directory
    • Drops file in System32 directory
    • Checks SCSI registry key(s)
    PID:3624

Network

        MITRE ATT&CK Enterprise v6

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