Overview

overview

8

Static

static

tasks_152.vir.exe

windows7_x64

8

tasks_152.vir.exe

windows10_x64

3

Analysis

  • max time kernel
    151s
  • max time network
    152s
  • platform
    windows7_x64
  • resource
    win7
  • submitted
    19-07-2020 19:46

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General

  • Target

    tasks_152.vir.exe

  • Size

    157KB

  • MD5

    f8465c2e372762b793e3e7fbfd7b324b

  • SHA1

    c13c715e34744c2edc2ccc053a4674bc6dd630fa

  • SHA256

    a07a151e7a4e4514a55d3053b5e5238d36d9763920489d26d3f545134e806739

  • SHA512

    0ffb1a0cefa035c1e3463bfa71c107e8ca5291529f3e35ef29ad80536556e5975fec71fd27199d8a3190dc4c9e322e4cf9c73f41a82cb317d0d15071cf402f78

Score
8/10
persistence

Malware Config

Signatures

  • Loads dropped DLL 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 11 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Modifies Internet Explorer settings 1 TTPs 1 IoCs
    adwarespyware
  • Executes dropped EXE 3 IoCs
  • Deletes itself 1 IoCs
  • Drops file in Windows directory 1 IoCs
  • Drops file in System32 directory 2 IoCs
  • Adds Run key to start application 2 TTPs 4 IoCs
    persistence
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\tasks_152.vir.exe
    "C:\Users\Admin\AppData\Local\Temp\tasks_152.vir.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in Windows directory
    • Drops file in System32 directory
    • Suspicious use of WriteProcessMemory
    PID:1460
    • C:\Users\Admin\AppData\Roaming\Wymekag\feikege.exe
      "C:\Users\Admin\AppData\Roaming\Wymekag\feikege.exe"
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:1012
      • C:\Users\Admin\AppData\Roaming\Wymekag\feikege.exe
        "C:\Users\Admin\AppData\Roaming\Wymekag\feikege.exe" -child
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of SetWindowsHookEx
        • Modifies Internet Explorer settings
        • Executes dropped EXE
        • Suspicious use of WriteProcessMemory
        PID:1048
        • C:\Windows\SysWOW64\ctfmon.exe
          ctfmon.exe
          4⤵
            PID:1780
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\system32\cmd.exe" /c "C:\Users\Admin\AppData\Local\Temp\tmpced96ff7.bat"
        2⤵
        • Deletes itself
        PID:1644
    • C:\Windows\SysWOW64\winsec.exe
      "C:\Windows\SysWOW64\winsec.exe" -service "C:\Users\Admin\AppData\Roaming\Wymekag\feikege.exe"
      1⤵
      • Executes dropped EXE
      PID:1564

    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

    Lateral Movement

    Collection

    Exfiltration

    Command and Control

    Impact

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\tmpced96ff7.bat
      Download Submit
    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Cookies\8KXVPQF9.txt
      Download Submit
    • C:\Users\Admin\AppData\Roaming\Wymekag\feikege.exe
      Download Submit
    • C:\Users\Admin\AppData\Roaming\Wymekag\feikege.exe
      Download Submit
    • C:\Users\Admin\AppData\Roaming\Wymekag\feikege.exe
      Download Submit
    • C:\Windows\SysWOW64\winsec.exe
      Download Submit
    • C:\Windows\SysWOW64\winsec.exe
      Download Submit
    • \Users\Admin\AppData\Roaming\Wymekag\feikege.exe
      Download Submit
    • memory/1012-4-0x0000000000000000-mapping.dmp
      Download
    • memory/1048-6-0x0000000000000000-mapping.dmp
      Download
    • memory/1644-8-0x0000000000000000-mapping.dmp
      Download
    • memory/1780-10-0x0000000000000000-mapping.dmp
      Download