Analysis

  • max time kernel
    100s
  • max time network
    48s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    22-11-2022 22:00

General

  • Target

    5707e316a92cee1f9a055d3168622d609a85af6cdeb6ad1ca50678196b53350e.xls

  • Size

    91KB

  • MD5

    00768430172b4169f96324e3730944fb

  • SHA1

    5193cef050982b1e744f18b667f545c41d77447f

  • SHA256

    5707e316a92cee1f9a055d3168622d609a85af6cdeb6ad1ca50678196b53350e

  • SHA512

    3afeb6df4ca8883e795dd5afef94b48029d333ad51de533461ab47128f051c9c5e0debac7b9c2761e8ec778442d9c81b94e1e334d143bcb62db771978486aa90

  • SSDEEP

    1536:07zzz2XLePPjRn8AZH2jcc0lbxOvTgZCM88ScJwXwVu6:03Pb2jcc0lbxOrujhJwXwQ6

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 3 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\5707e316a92cee1f9a055d3168622d609a85af6cdeb6ad1ca50678196b53350e.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:2020
    • 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:1476
      • C:\Windows\SysWOW64\attrib.exe
        attrib -S -h "C:\Users\Admin\AppData\Roaming\Microsoft\Excel\XLSTART\K4.XLS"
        3⤵
        • Views/modifies file attributes
        PID:1536
    • 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:1332
    • 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:1312

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/1312-221-0x0000000000000000-mapping.dmp
  • memory/1332-220-0x0000000000000000-mapping.dmp
  • memory/1476-219-0x0000000000000000-mapping.dmp
  • memory/1536-222-0x0000000000000000-mapping.dmp
  • memory/2020-75-0x000000000076D000-0x000000000077D000-memory.dmp
    Filesize

    64KB

  • memory/2020-383-0x00000000728FD000-0x0000000072908000-memory.dmp
    Filesize

    44KB

  • memory/2020-59-0x000000000076D000-0x000000000077D000-memory.dmp
    Filesize

    64KB

  • memory/2020-76-0x000000000076D000-0x000000000077D000-memory.dmp
    Filesize

    64KB

  • memory/2020-65-0x000000000076D000-0x000000000077D000-memory.dmp
    Filesize

    64KB

  • memory/2020-64-0x000000000076D000-0x000000000077D000-memory.dmp
    Filesize

    64KB

  • memory/2020-63-0x000000000076D000-0x000000000077D000-memory.dmp
    Filesize

    64KB

  • memory/2020-62-0x000000000076D000-0x000000000077D000-memory.dmp
    Filesize

    64KB

  • memory/2020-66-0x000000000076D000-0x000000000077D000-memory.dmp
    Filesize

    64KB

  • memory/2020-68-0x000000000076D000-0x000000000077D000-memory.dmp
    Filesize

    64KB

  • memory/2020-67-0x000000000076D000-0x000000000077D000-memory.dmp
    Filesize

    64KB

  • memory/2020-71-0x000000000076D000-0x000000000077D000-memory.dmp
    Filesize

    64KB

  • memory/2020-70-0x000000000076D000-0x000000000077D000-memory.dmp
    Filesize

    64KB

  • memory/2020-69-0x000000000076D000-0x000000000077D000-memory.dmp
    Filesize

    64KB

  • memory/2020-72-0x000000000076D000-0x000000000077D000-memory.dmp
    Filesize

    64KB

  • memory/2020-73-0x000000000076D000-0x000000000077D000-memory.dmp
    Filesize

    64KB

  • memory/2020-54-0x000000002F841000-0x000000002F844000-memory.dmp
    Filesize

    12KB

  • memory/2020-74-0x000000000076D000-0x000000000077D000-memory.dmp
    Filesize

    64KB

  • memory/2020-61-0x000000000076D000-0x000000000077D000-memory.dmp
    Filesize

    64KB

  • memory/2020-60-0x000000000076D000-0x000000000077D000-memory.dmp
    Filesize

    64KB

  • memory/2020-78-0x000000000076D000-0x000000000077D000-memory.dmp
    Filesize

    64KB

  • memory/2020-79-0x000000000076D000-0x000000000077D000-memory.dmp
    Filesize

    64KB

  • memory/2020-80-0x000000000076D000-0x000000000077D000-memory.dmp
    Filesize

    64KB

  • memory/2020-81-0x000000000076D000-0x000000000077D000-memory.dmp
    Filesize

    64KB

  • memory/2020-82-0x000000000076D000-0x000000000077D000-memory.dmp
    Filesize

    64KB

  • memory/2020-84-0x000000000076D000-0x000000000077D000-memory.dmp
    Filesize

    64KB

  • memory/2020-83-0x000000000076D000-0x000000000077D000-memory.dmp
    Filesize

    64KB

  • memory/2020-86-0x000000000076D000-0x000000000077D000-memory.dmp
    Filesize

    64KB

  • memory/2020-85-0x000000000076D000-0x000000000077D000-memory.dmp
    Filesize

    64KB

  • memory/2020-87-0x000000000076D000-0x000000000077D000-memory.dmp
    Filesize

    64KB

  • memory/2020-109-0x000000000076D000-0x000000000077D000-memory.dmp
    Filesize

    64KB

  • memory/2020-58-0x00000000756B1000-0x00000000756B3000-memory.dmp
    Filesize

    8KB

  • memory/2020-57-0x00000000728FD000-0x0000000072908000-memory.dmp
    Filesize

    44KB

  • memory/2020-56-0x000000005FFF0000-0x0000000060000000-memory.dmp
    Filesize

    64KB

  • memory/2020-55-0x0000000071911000-0x0000000071913000-memory.dmp
    Filesize

    8KB

  • memory/2020-77-0x000000000076D000-0x000000000077D000-memory.dmp
    Filesize

    64KB

  • memory/2020-385-0x00000000728FD000-0x0000000072908000-memory.dmp
    Filesize

    44KB