Overview

overview

8

Static

static

tasks_188.vir.exe

windows7_x64

8

tasks_188.vir.exe

windows10_x64

8

Analysis

  • max time kernel
    150s
  • max time network
    149s
  • platform
    windows10_x64
  • resource
    win10
  • submitted
    19-07-2020 17:21

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General

  • Target

    tasks_188.vir.exe

  • Size

    226KB

  • MD5

    d36d308b43b5451c72203b2e0c99d9b0

  • SHA1

    d34ff4e2491da20f2a982fa73d0d6ab9e2102b0b

  • SHA256

    10da9cfc721819a55d159253469b7a88c803241d8eda417854d5348bbaf12d60

  • SHA512

    07a2cfe21e62ecb8286edff7be2e9e20146354b491f8e202aee6189af490ec0591293da88e7d97d45ad4c693b09127278958631182ac265cfef45b553f8d1a66

Score
8/10
persistence

Malware Config

Signatures

  • Drops file in System32 directory 2 IoCs
  • Adds Run key to start application 2 TTPs 10 IoCs
    persistence
  • Drops file in Windows directory 1 IoCs
  • Suspicious use of WriteProcessMemory 19 IoCs
  • Suspicious behavior: EnumeratesProcesses 104 IoCs
  • Suspicious use of AdjustPrivilegeToken 8 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Executes dropped EXE 3 IoCs
  • Suspicious use of SendNotifyMessage 1 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Adds Run key to start application
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    PID:3020
    • C:\Users\Admin\AppData\Local\Temp\tasks_188.vir.exe
      "C:\Users\Admin\AppData\Local\Temp\tasks_188.vir.exe"
      2⤵
      • Drops file in System32 directory
      • Drops file in Windows directory
      • Suspicious use of WriteProcessMemory
      PID:3100
      • C:\Users\Admin\AppData\Roaming\Tycief\vuvehy.exe
        "C:\Users\Admin\AppData\Roaming\Tycief\vuvehy.exe"
        3⤵
        • Adds Run key to start application
        • Suspicious use of WriteProcessMemory
        • Suspicious behavior: EnumeratesProcesses
        • Executes dropped EXE
        PID:3856
        • C:\Users\Admin\AppData\Roaming\Tycief\vuvehy.exe
          "C:\Users\Admin\AppData\Roaming\Tycief\vuvehy.exe" -child
          4⤵
          • Suspicious use of WriteProcessMemory
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of SetWindowsHookEx
          • Executes dropped EXE
          PID:3932
          • C:\Windows\SysWOW64\ctfmon.exe
            ctfmon.exe
            5⤵
              PID:2600
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\system32\cmd.exe" /c "C:\Users\Admin\AppData\Local\Temp\tmp1d17c8e3.bat"
          3⤵
            PID:3820
      • C:\Windows\SysWOW64\winsec32.exe
        "C:\Windows\SysWOW64\winsec32.exe" -service "C:\Users\Admin\AppData\Roaming\Tycief\vuvehy.exe"
        1⤵
        • Adds Run key to start application
        • Executes dropped EXE
        PID:3064

      Network

      MITRE ATT&CK Matrix ATT&CK v6

      Initial Access

      Execution

      Persistence

      Registry Run Keys / Startup Folder

      1
      T1060

      Privilege Escalation

      Defense Evasion

      Modify Registry

      1
      T1112

      Credential Access

      Discovery

      Lateral Movement

      Collection

      Exfiltration

      Command and Control

      Impact

      Replay Monitor

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      Downloads

      • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCookies\1FN90P84.cookie
        Download Submit
      • C:\Users\Admin\AppData\Local\Temp\tmp1d17c8e3.bat
        Download Submit
      • C:\Users\Admin\AppData\Roaming\Tycief\vuvehy.exe
        Download Submit
      • C:\Users\Admin\AppData\Roaming\Tycief\vuvehy.exe
        Download Submit
      • C:\Users\Admin\AppData\Roaming\Tycief\vuvehy.exe
        Download Submit
      • C:\Windows\SysWOW64\winsec32.exe
        Download Submit
      • C:\Windows\SysWOW64\winsec32.exe
        Download Submit
      • memory/2600-15-0x0000000000000000-mapping.dmp
        Download
      • memory/3020-6-0x0000000002FF0000-0x0000000002FF1000-memory.dmp
        Filesize

        4KB

        Download
      • memory/3820-5-0x0000000000000000-mapping.dmp
        Download
      • memory/3856-3-0x0000000000000000-mapping.dmp
        Download
      • memory/3932-7-0x0000000000000000-mapping.dmp
        Download