Overview

overview

8

Static

static

tasks_203.vir.exe

windows7_x64

8

tasks_203.vir.exe

windows10_x64

3

Analysis

  • max time kernel
    151s
  • max time network
    152s
  • platform
    windows7_x64
  • resource
    win7v200430
  • submitted
    19-07-2020 17:28

Sharing

Copy URL
Twitter E-mail
Report Analysis Logs

General

  • Target

    tasks_203.vir.exe

  • Size

    328KB

  • MD5

    e431a6b3e3ea4e32f8dd622f3e632a27

  • SHA1

    b6421384ac16c0a9e65f698263bc2784fa0f5596

  • SHA256

    9f55258f872561acb62137271079b8e1f67ebe6b1a211e30a2c02c02699c3449

  • SHA512

    943cd962e946415cda461984b9620d25c43861c181151605ac35448842f537afa34e94809a6a304219d72c4bbd8fbae3c09c9450db5e040efa166ee6e144ef13

Score
8/10
evasiontrojanpersistence

Malware Config

Signatures

  • Suspicious use of WriteProcessMemory 23 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of SendNotifyMessage 4 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
    evasiontrojan
  • Drops file in Windows directory 1 IoCs
  • Adds Run key to start application 2 TTPs 10 IoCs
    persistence
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 89 IoCs
  • Deletes itself 1 IoCs
  • Suspicious use of FindShellTrayWindow 5 IoCs
  • Modifies Internet Explorer settings 1 TTPs 1 IoCs
    adwarespyware
  • Drops file in System32 directory 2 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious use of SendNotifyMessage
    • Checks whether UAC is enabled
    • Adds Run key to start application
    • Suspicious use of FindShellTrayWindow
    PID:1336
    • C:\Users\Admin\AppData\Local\Temp\tasks_203.vir.exe
      "C:\Users\Admin\AppData\Local\Temp\tasks_203.vir.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      • Drops file in Windows directory
      • Loads dropped DLL
      • Drops file in System32 directory
      PID:1016
      • C:\Users\Admin\AppData\Roaming\Acvuvaym\zafoad.exe
        "C:\Users\Admin\AppData\Roaming\Acvuvaym\zafoad.exe"
        3⤵
        • Suspicious use of WriteProcessMemory
        • Adds Run key to start application
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        PID:1420
        • C:\Users\Admin\AppData\Roaming\Acvuvaym\zafoad.exe
          "C:\Users\Admin\AppData\Roaming\Acvuvaym\zafoad.exe" -child
          4⤵
          • Suspicious use of WriteProcessMemory
          • Suspicious use of SetWindowsHookEx
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          • Modifies Internet Explorer settings
          PID:288
          • C:\Windows\SysWOW64\ctfmon.exe
            ctfmon.exe
            5⤵
              PID:1680
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\system32\cmd.exe" /c "C:\Users\Admin\AppData\Local\Temp\tmp789c007a.bat"
          3⤵
          • Deletes itself
          PID:1000
    • C:\Windows\SysWOW64\winsec32.exe
      "C:\Windows\SysWOW64\winsec32.exe" -service "C:\Users\Admin\AppData\Roaming\Acvuvaym\zafoad.exe"
      1⤵
      • Adds Run key to start application
      • Executes dropped EXE
      PID:892

    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

    2
    T1112

    Credential Access

    Discovery

    System Information Discovery

    1
    T1082

    Lateral Movement

    Collection

    Exfiltration

    Command and Control

    Impact

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\tmp789c007a.bat
      Download Submit
    • C:\Users\Admin\AppData\Roaming\Acvuvaym\zafoad.exe
      Download Submit
    • C:\Users\Admin\AppData\Roaming\Acvuvaym\zafoad.exe
      Download Submit
    • C:\Users\Admin\AppData\Roaming\Acvuvaym\zafoad.exe
      Download Submit
    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Cookies\D551S2LF.txt
      Download Submit
    • C:\Windows\SysWOW64\winsec32.exe
      Download Submit
    • C:\Windows\SysWOW64\winsec32.exe
      Download Submit
    • \Users\Admin\AppData\Roaming\Acvuvaym\zafoad.exe
      Download Submit
    • memory/288-12-0x0000000000000000-mapping.dmp
      Download
    • memory/1000-8-0x0000000000000000-mapping.dmp
      Download
    • memory/1336-6-0x00000000041C0000-0x00000000041C1000-memory.dmp
      Filesize

      4KB

      Download
    • memory/1420-4-0x0000000000000000-mapping.dmp
      Download
    • memory/1680-16-0x0000000000000000-mapping.dmp
      Download