Analysis

  • max time kernel
    157s
  • max time network
    30s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    24-11-2022 14:03

General

  • Target

    K1-3K2-2ؿбļ/02.ļ/01./2.�.xls

  • Size

    105KB

  • MD5

    1654c5d2d91f05db425702a4a0212e0e

  • SHA1

    d72769ee73be6cf375bfcdff1b325e39ce1be7f8

  • SHA256

    0efbdf69acc7efefa80b0078c847814749873d4739efb7020001cb4521985e09

  • SHA512

    7d33f8a116c3956b539e06b23d86b58a782375e0791cbe8b5ee6103b3fd12cf9af0d79cbc55a11b6531b8ef2af38dfc75ee02e0aca541d7c70da1e43c7b7a372

  • SSDEEP

    3072:HQQn6v7yZmspH7+7alMisPI4ukoRWGNwcWVbrziKm7ITkPXyww33XjUJtXw8cMgw:wQn6v7yZmspH7+7alMisPI4ukoRWGNwy

Score
10/10

Malware Config

Signatures

  • Process spawned unexpected child process 3 IoCs

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

  • Deletes itself 1 IoCs
  • 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
  • Modifies registry class 64 IoCs
  • NTFS ADS 1 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of SetWindowsHookEx 5 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs
  • Views/modifies file attributes 1 TTPs 1 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\K1-3K2-2ؿбļ\02.ļ\01.\2.�.xls
    1⤵
    • Deletes itself
    • Enumerates system info in registry
    • Modifies Internet Explorer settings
    • Modifies registry class
    • NTFS ADS
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious behavior: RenamesItself
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1256
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c attrib -S -h "C:\Users\Admin\AppData\Roaming\Microsoft\Excel\XLSTART\K4.XLS"
      2⤵
      • Process spawned unexpected child process
      • Suspicious use of WriteProcessMemory
      PID:1492
      • C:\Windows\SysWOW64\attrib.exe
        attrib -S -h "C:\Users\Admin\AppData\Roaming\Microsoft\Excel\XLSTART\K4.XLS"
        3⤵
        • Views/modifies file attributes
        PID:972
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c Del /F /Q "C:\Users\Admin\AppData\Roaming\Microsoft\Excel\XLSTART\K4.XLS"
      2⤵
      • Process spawned unexpected child process
      PID:300
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c RD /S /Q "C:\Users\Admin\AppData\Roaming\Microsoft\Excel\XLSTART\K4.XLS"
      2⤵
      • Process spawned unexpected child process
      PID:1640

Network

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Hidden Files and Directories

1
T1158

Defense Evasion

Modify Registry

1
T1112

Hidden Files and Directories

1
T1158

Discovery

Query Registry

1
T1012

System Information Discovery

1
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/300-220-0x0000000000000000-mapping.dmp
  • memory/972-222-0x0000000000000000-mapping.dmp
  • memory/1256-74-0x0000000000873000-0x0000000000879000-memory.dmp
    Filesize

    24KB

  • memory/1256-83-0x0000000000873000-0x0000000000879000-memory.dmp
    Filesize

    24KB

  • memory/1256-58-0x0000000072ABD000-0x0000000072AC8000-memory.dmp
    Filesize

    44KB

  • memory/1256-59-0x0000000000873000-0x0000000000879000-memory.dmp
    Filesize

    24KB

  • memory/1256-60-0x0000000000873000-0x0000000000879000-memory.dmp
    Filesize

    24KB

  • memory/1256-61-0x0000000000873000-0x0000000000879000-memory.dmp
    Filesize

    24KB

  • memory/1256-62-0x0000000000873000-0x0000000000879000-memory.dmp
    Filesize

    24KB

  • memory/1256-63-0x0000000000873000-0x0000000000879000-memory.dmp
    Filesize

    24KB

  • memory/1256-72-0x0000000000873000-0x0000000000879000-memory.dmp
    Filesize

    24KB

  • memory/1256-73-0x0000000000873000-0x0000000000879000-memory.dmp
    Filesize

    24KB

  • memory/1256-71-0x0000000000873000-0x0000000000879000-memory.dmp
    Filesize

    24KB

  • memory/1256-70-0x0000000000873000-0x0000000000879000-memory.dmp
    Filesize

    24KB

  • memory/1256-69-0x0000000000873000-0x0000000000879000-memory.dmp
    Filesize

    24KB

  • memory/1256-78-0x0000000000873000-0x0000000000879000-memory.dmp
    Filesize

    24KB

  • memory/1256-67-0x0000000000873000-0x0000000000879000-memory.dmp
    Filesize

    24KB

  • memory/1256-66-0x0000000000873000-0x0000000000879000-memory.dmp
    Filesize

    24KB

  • memory/1256-65-0x0000000000873000-0x0000000000879000-memory.dmp
    Filesize

    24KB

  • memory/1256-64-0x0000000000873000-0x0000000000879000-memory.dmp
    Filesize

    24KB

  • memory/1256-223-0x0000000072ABD000-0x0000000072AC8000-memory.dmp
    Filesize

    44KB

  • memory/1256-385-0x0000000072ABD000-0x0000000072AC8000-memory.dmp
    Filesize

    44KB

  • memory/1256-68-0x0000000000873000-0x0000000000879000-memory.dmp
    Filesize

    24KB

  • memory/1256-79-0x0000000000873000-0x0000000000879000-memory.dmp
    Filesize

    24KB

  • memory/1256-77-0x0000000000873000-0x0000000000879000-memory.dmp
    Filesize

    24KB

  • memory/1256-76-0x0000000000873000-0x0000000000879000-memory.dmp
    Filesize

    24KB

  • memory/1256-80-0x0000000000873000-0x0000000000879000-memory.dmp
    Filesize

    24KB

  • memory/1256-82-0x0000000000873000-0x0000000000879000-memory.dmp
    Filesize

    24KB

  • memory/1256-81-0x0000000000873000-0x0000000000879000-memory.dmp
    Filesize

    24KB

  • memory/1256-84-0x0000000000873000-0x0000000000879000-memory.dmp
    Filesize

    24KB

  • memory/1256-57-0x0000000075C41000-0x0000000075C43000-memory.dmp
    Filesize

    8KB

  • memory/1256-85-0x0000000000873000-0x0000000000879000-memory.dmp
    Filesize

    24KB

  • memory/1256-86-0x0000000000873000-0x0000000000879000-memory.dmp
    Filesize

    24KB

  • memory/1256-87-0x0000000000873000-0x0000000000879000-memory.dmp
    Filesize

    24KB

  • memory/1256-109-0x0000000000873000-0x0000000000879000-memory.dmp
    Filesize

    24KB

  • memory/1256-75-0x0000000000873000-0x0000000000879000-memory.dmp
    Filesize

    24KB

  • memory/1256-56-0x000000005FFF0000-0x0000000060000000-memory.dmp
    Filesize

    64KB

  • memory/1256-54-0x000000002F8D1000-0x000000002F8D4000-memory.dmp
    Filesize

    12KB

  • memory/1256-55-0x0000000071AD1000-0x0000000071AD3000-memory.dmp
    Filesize

    8KB

  • memory/1492-219-0x0000000000000000-mapping.dmp
  • memory/1640-221-0x0000000000000000-mapping.dmp