Analysis

  • max time kernel
    148s
  • max time network
    125s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05-03-2023 18:59

General

  • Target

    quakbot_final_unprotected_modified.xlsb

  • Size

    232KB

  • MD5

    322ff8c05e66a73cc08d5b6c42516688

  • SHA1

    6055b6a8e199148210fd89dda63c2fd370da05d0

  • SHA256

    ca9942948788e3ee645cab81b10713bc8f5a051bd00e6eb9be717b38d0a199ca

  • SHA512

    da9c5ef7a0a8db1beac329b98f0e1befa420558e932ee781975b1e1c96af955e3ff1c8e5f46b75557136a106ca2f43bce50d090a565f73507bf34f3b2b756af2

  • SSDEEP

    3072:16wcOaz6kqB/EsWcXCJGbtyntvHGiYMnIOwKSIYFUQRLmTDBwszHbcOQafZD2dd:16wh5nRXCw+DnIdFUKmTDBwsz7c1yDQd

Score
10/10

Malware Config

Extracted

Language
xlm4.0
Source

Signatures

  • Process spawned unexpected child process 1 IoCs

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

  • Checks processor information in registry 2 TTPs 3 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SetWindowsHookEx 14 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
    "C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\quakbot_final_unprotected_modified.xlsb"
    1⤵
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2528
    • C:\Windows\SYSTEM32\cmd.exe
      cmd.exe /C "echo test > C:\cvoVIZCVkvcfkc\flag.txt"
      2⤵
      • Process spawned unexpected child process
      PID:4876

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/2528-133-0x00007FFE79BB0000-0x00007FFE79BC0000-memory.dmp

    Filesize

    64KB

  • memory/2528-134-0x00007FFE79BB0000-0x00007FFE79BC0000-memory.dmp

    Filesize

    64KB

  • memory/2528-135-0x00007FFE79BB0000-0x00007FFE79BC0000-memory.dmp

    Filesize

    64KB

  • memory/2528-136-0x00007FFE79BB0000-0x00007FFE79BC0000-memory.dmp

    Filesize

    64KB

  • memory/2528-137-0x00007FFE79BB0000-0x00007FFE79BC0000-memory.dmp

    Filesize

    64KB

  • memory/2528-138-0x00007FFE775C0000-0x00007FFE775D0000-memory.dmp

    Filesize

    64KB

  • memory/2528-139-0x00007FFE775C0000-0x00007FFE775D0000-memory.dmp

    Filesize

    64KB