Overview

overview

10

Static

static

1

01799099.exe.vbs

windows7-x64

6

01799099.exe.vbs

windows10-2004-x64

10

Analysis

  • max time kernel
    148s
  • max time network
    30s
  • platform
    windows7_x64
  • resource
    win7-20230220-en
  • resource tags

    arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
  • submitted
    09/06/2023, 08:13

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General

  • Target

    01799099.exe.vbs

  • Size

    1.1MB

  • MD5

    584f03161a17b36b2f5163dd85bc0b77

  • SHA1

    04dad07d0146ff09c0dacc3f248dbda16055a609

  • SHA256

    ee2a2b418e82683de196beb5d4f6cb213e7579d783b06b9949f4a988f515b324

  • SHA512

    530ef231a0fea29700d8bbffa5ed40b4cc05b96323fcbd853e86f050362d84f8a5250387f86a47ec0f103a76b00bada9c352a3c6c76736740984732c184003ff

  • SSDEEP

    24576:gjSdueeKiZeXA940z802o5mNBriKgcdgUixQsUgk:gjSduKCeA2oqdJqfk

Score
6/10
persistenceransomware

Malware Config

Signatures

  • Adds Run key to start application 2 TTPs 4 IoCs
    persistence
  • Drops file in System32 directory 14 IoCs
  • Sets desktop wallpaper using registry 2 TTPs 1 IoCs
    ransomware
  • Drops file in Windows directory 4 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Modifies Control Panel 5 IoCs
    evasion
  • Modifies Internet Explorer settings 1 TTPs 9 IoCs
    adwarespyware
  • Modifies registry class 64 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of FindShellTrayWindow 3 IoCs
  • Suspicious use of SendNotifyMessage 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs
  • System policy modification 1 TTPs 3 IoCs
    evasion

Processes

  • C:\Windows\System32\WScript.exe
    "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\01799099.exe.vbs"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1724
    • C:\Windows\System32\wscript.exe
      "C:\Windows\System32\wscript.exe" "C:\Users\Admin\AppData\Local\Temp\01799099.exe.vbs" /elevated
      2⤵
      • Adds Run key to start application
      • Sets desktop wallpaper using registry
      • Drops file in Windows directory
      • Modifies Control Panel
      • System policy modification
      PID:924
  • C:\Program Files (x86)\Microsoft Office\Office14\OUTLOOK.EXE
    "C:\Program Files (x86)\Microsoft Office\Office14\OUTLOOK.EXE" -Embedding
    1⤵
    • Drops file in System32 directory
    • Drops file in Windows directory
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of SetWindowsHookEx
    PID:900

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\Outlook\mapisvc.inf
    Filesize

    1KB

    MD5

    48dd6cae43ce26b992c35799fcd76898

    SHA1

    8e600544df0250da7d634599ce6ee50da11c0355

    SHA256

    7bfe1f3691e2b4fb4d61fbf5e9f7782fbe49da1342dbd32201c2cc8e540dbd1a

    SHA512

    c1b9322c900f5be0ad166ddcfec9146918fb2589a17607d61490fd816602123f3af310a3e6d98a37d16000d4acbbcd599236f03c3c7f9376aeba7a489b329f31

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  • memory/900-61-0x000000005FFF0000-0x0000000060000000-memory.dmp

    Filesize

    64KB

    Download