Analysis

  • max time kernel
    248s
  • max time network
    335s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    29-11-2022 08:44

General

  • Target

    eab95f09e45a3bd676fab0a043fa116d3690070e55c900571e1e4bd2f8dfff2e.xls

  • Size

    108KB

  • MD5

    51797bbc37e850eb4d9bead3daf96f6d

  • SHA1

    bd2afa2a6ba26254923d82836251d2d7d4f92f65

  • SHA256

    eab95f09e45a3bd676fab0a043fa116d3690070e55c900571e1e4bd2f8dfff2e

  • SHA512

    00c3902dd8ad1833fe26ded4507548fe1580f0bed0bf5e4a5c0bb703e7cd3059895bc8803417a20ac904fd1a20dad08e320bd8db18c067946617cb947afc6a2b

  • SSDEEP

    3072:Vnl6Nc7yRzs1H75wkZUgsQ6NqTBun5oWCWVbrzQ7kCTk95jhJtXw1v4x2:ll6Nc7yRzs1H75wkZUgsQ6NqTBun5oW+

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.

  • 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 9 IoCs
  • Suspicious behavior: AddClipboardFormatListener 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\eab95f09e45a3bd676fab0a043fa116d3690070e55c900571e1e4bd2f8dfff2e.xls
    1⤵
    • Enumerates system info in registry
    • Modifies Internet Explorer settings
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1028
    • 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:1632
      • C:\Windows\SysWOW64\attrib.exe
        attrib -S -h "C:\Users\Admin\AppData\Roaming\Microsoft\Excel\XLSTART\K4.XLS"
        3⤵
        • Views/modifies file attributes
        PID:1932
    • 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:1548
    • 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:1940

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/1028-70-0x00000000002EF000-0x00000000002F3000-memory.dmp
    Filesize

    16KB

  • memory/1028-57-0x00000000727BD000-0x00000000727C8000-memory.dmp
    Filesize

    44KB

  • memory/1028-56-0x000000005FFF0000-0x0000000060000000-memory.dmp
    Filesize

    64KB

  • memory/1028-71-0x00000000002EF000-0x00000000002F3000-memory.dmp
    Filesize

    16KB

  • memory/1028-58-0x0000000075E01000-0x0000000075E03000-memory.dmp
    Filesize

    8KB

  • memory/1028-73-0x00000000002EF000-0x00000000002F3000-memory.dmp
    Filesize

    16KB

  • memory/1028-61-0x00000000002EF000-0x00000000002F3000-memory.dmp
    Filesize

    16KB

  • memory/1028-60-0x00000000002EF000-0x00000000002F3000-memory.dmp
    Filesize

    16KB

  • memory/1028-63-0x00000000002EF000-0x00000000002F3000-memory.dmp
    Filesize

    16KB

  • memory/1028-62-0x00000000002EF000-0x00000000002F3000-memory.dmp
    Filesize

    16KB

  • memory/1028-65-0x00000000002EF000-0x00000000002F3000-memory.dmp
    Filesize

    16KB

  • memory/1028-64-0x00000000002EF000-0x00000000002F3000-memory.dmp
    Filesize

    16KB

  • memory/1028-67-0x00000000002EF000-0x00000000002F3000-memory.dmp
    Filesize

    16KB

  • memory/1028-66-0x00000000002EF000-0x00000000002F3000-memory.dmp
    Filesize

    16KB

  • memory/1028-68-0x00000000002EF000-0x00000000002F3000-memory.dmp
    Filesize

    16KB

  • memory/1028-69-0x00000000002EF000-0x00000000002F3000-memory.dmp
    Filesize

    16KB

  • memory/1028-218-0x00000000727BD000-0x00000000727C8000-memory.dmp
    Filesize

    44KB

  • memory/1028-55-0x00000000717D1000-0x00000000717D3000-memory.dmp
    Filesize

    8KB

  • memory/1028-59-0x00000000727BD000-0x00000000727C8000-memory.dmp
    Filesize

    44KB

  • memory/1028-72-0x00000000002EF000-0x00000000002F3000-memory.dmp
    Filesize

    16KB

  • memory/1028-74-0x00000000002EF000-0x00000000002F3000-memory.dmp
    Filesize

    16KB

  • memory/1028-75-0x00000000002EF000-0x00000000002F3000-memory.dmp
    Filesize

    16KB

  • memory/1028-77-0x00000000002EF000-0x00000000002F3000-memory.dmp
    Filesize

    16KB

  • memory/1028-76-0x00000000002EF000-0x00000000002F3000-memory.dmp
    Filesize

    16KB

  • memory/1028-78-0x00000000002EF000-0x00000000002F3000-memory.dmp
    Filesize

    16KB

  • memory/1028-79-0x00000000002EF000-0x00000000002F3000-memory.dmp
    Filesize

    16KB

  • memory/1028-81-0x00000000002EF000-0x00000000002F3000-memory.dmp
    Filesize

    16KB

  • memory/1028-80-0x00000000002EF000-0x00000000002F3000-memory.dmp
    Filesize

    16KB

  • memory/1028-82-0x00000000002EF000-0x00000000002F3000-memory.dmp
    Filesize

    16KB

  • memory/1028-104-0x00000000002EF000-0x00000000002F3000-memory.dmp
    Filesize

    16KB

  • memory/1028-54-0x000000002F791000-0x000000002F794000-memory.dmp
    Filesize

    12KB

  • memory/1548-215-0x0000000000000000-mapping.dmp
  • memory/1632-214-0x0000000000000000-mapping.dmp
  • memory/1932-217-0x0000000000000000-mapping.dmp
  • memory/1940-216-0x0000000000000000-mapping.dmp