Overview

overview

8

Static

static

tasks_194.vir.exe

windows7_x64

8

tasks_194.vir.exe

windows10_x64

8

Analysis

  • max time kernel
    150s
  • max time network
    136s
  • platform
    windows10_x64
  • resource
    win10
  • submitted
    19-07-2020 19:48

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General

  • Target

    tasks_194.vir.exe

  • Size

    381KB

  • MD5

    10bc0e7d6e0bd17fb7c9bee0ec008867

  • SHA1

    2f16c00055dae0cf5354cc0105c77f3b48921355

  • SHA256

    3247c294343dd15fa29bf6c3c421081381572c8e4503e334414f9db49eaad880

  • SHA512

    a5de4555e9093ac7f4fabd09ee7a3044e7e94819604fb84c8e5e2f407966c816c8085a59fd1cd66f6a667e66f414d14913148f1b317499509583e29a7e8e4bcf

Score
8/10
persistence

Malware Config

Signatures

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

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    • Adds Run key to start application
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    PID:2968
    • C:\Users\Admin\AppData\Local\Temp\tasks_194.vir.exe
      "C:\Users\Admin\AppData\Local\Temp\tasks_194.vir.exe"
      2⤵
      • Drops file in System32 directory
      • Suspicious use of WriteProcessMemory
      • Drops file in Windows directory
      PID:2728
      • C:\Users\Admin\AppData\Roaming\Ypvaow\kamuz.exe
        "C:\Users\Admin\AppData\Roaming\Ypvaow\kamuz.exe"
        3⤵
        • Adds Run key to start application
        • Suspicious use of WriteProcessMemory
        • Suspicious behavior: EnumeratesProcesses
        • Executes dropped EXE
        PID:4024
        • C:\Users\Admin\AppData\Roaming\Ypvaow\kamuz.exe
          "C:\Users\Admin\AppData\Roaming\Ypvaow\kamuz.exe" -child
          4⤵
          • Suspicious use of WriteProcessMemory
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of SetWindowsHookEx
          • Executes dropped EXE
          PID:3896
          • C:\Windows\SysWOW64\ctfmon.exe
            ctfmon.exe
            5⤵
              PID:2108
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\system32\cmd.exe" /c "C:\Users\Admin\AppData\Local\Temp\tmpdff58fc7.bat"
          3⤵
            PID:3960
      • C:\Windows\SysWOW64\winsec32.exe
        "C:\Windows\SysWOW64\winsec32.exe" -service "C:\Users\Admin\AppData\Roaming\Ypvaow\kamuz.exe"
        1⤵
        • Adds Run key to start application
        • Executes dropped EXE
        PID:3024

      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\Temp\tmpdff58fc7.bat
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      • C:\Users\Admin\AppData\Roaming\Ypvaow\kamuz.exe
        Download Submit
      • C:\Users\Admin\AppData\Roaming\Ypvaow\kamuz.exe
        Download Submit
      • C:\Users\Admin\AppData\Roaming\Ypvaow\kamuz.exe
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      • C:\Windows\SysWOW64\winsec32.exe
        Download Submit
      • C:\Windows\SysWOW64\winsec32.exe
        Download Submit
      • memory/2108-15-0x0000000000000000-mapping.dmp
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      • memory/2968-6-0x0000000002FA0000-0x0000000002FA1000-memory.dmp
        Filesize

        4KB

        Download
      • memory/3896-9-0x0000000000000000-mapping.dmp
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      • memory/3960-5-0x0000000000000000-mapping.dmp
        Download
      • memory/4024-3-0x0000000000000000-mapping.dmp
        Download