Analysis

  • max time kernel
    119s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    17-04-2024 08:09

General

  • Target

    f556b8ce385fc52e5ab46da5238439bb_JaffaCakes118.xls

  • Size

    161KB

  • MD5

    f556b8ce385fc52e5ab46da5238439bb

  • SHA1

    fa44d7e1c39e2ab6fa76393e483e8f2d58615d43

  • SHA256

    14d0df467f121adf0e755600e9ff5142551b0ac4cfb8fa0356214d11567a9cc6

  • SHA512

    da8b90ffd4b8b72acce06343be3befd901cf0fcb9fc39997d03e8731d22d2758aed5985a8692f74e50e7c02c1d82c344977727bc1f2a5ec7a769533743a8d642

  • SSDEEP

    3072:bW1gxv7yZmspH7+cclKisQ6NqTBun5ozIhd/2jcc0lbxOreVJtXwJ:i1gxv7yZmspH7+cclKisQ6NqTBun5ozQ

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\f556b8ce385fc52e5ab46da5238439bb_JaffaCakes118.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:1728
    • 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:2592
      • C:\Windows\SysWOW64\attrib.exe
        attrib -S -h "C:\Users\Admin\AppData\Roaming\Microsoft\Excel\XLSTART\K4.XLS"
        3⤵
        • Views/modifies file attributes
        PID:1292
    • 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:992
    • 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:1588

Network

MITRE ATT&CK Matrix ATT&CK v13

Defense Evasion

Modify Registry

1
T1112

Hide Artifacts

1
T1564

Hidden Files and Directories

1
T1564.001

Discovery

Query Registry

1
T1012

System Information Discovery

1
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1728-0-0x000000005FFF0000-0x0000000060000000-memory.dmp
    Filesize

    64KB

  • memory/1728-1-0x00000000721AD000-0x00000000721B8000-memory.dmp
    Filesize

    44KB

  • memory/1728-13-0x0000000006400000-0x0000000006500000-memory.dmp
    Filesize

    1024KB

  • memory/1728-39-0x0000000006400000-0x0000000006500000-memory.dmp
    Filesize

    1024KB

  • memory/1728-55-0x0000000006400000-0x0000000006500000-memory.dmp
    Filesize

    1024KB

  • memory/1728-146-0x0000000006400000-0x0000000006500000-memory.dmp
    Filesize

    1024KB

  • memory/1728-166-0x0000000006400000-0x0000000006500000-memory.dmp
    Filesize

    1024KB

  • memory/1728-188-0x0000000006400000-0x0000000006500000-memory.dmp
    Filesize

    1024KB

  • memory/1728-210-0x0000000006400000-0x0000000006500000-memory.dmp
    Filesize

    1024KB

  • memory/1728-212-0x0000000006400000-0x0000000006500000-memory.dmp
    Filesize

    1024KB

  • memory/1728-211-0x0000000006400000-0x0000000006500000-memory.dmp
    Filesize

    1024KB

  • memory/1728-213-0x0000000006400000-0x0000000006500000-memory.dmp
    Filesize

    1024KB

  • memory/1728-330-0x00000000721AD000-0x00000000721B8000-memory.dmp
    Filesize

    44KB

  • memory/1728-331-0x0000000006400000-0x0000000006500000-memory.dmp
    Filesize

    1024KB

  • memory/1728-335-0x00000000721AD000-0x00000000721B8000-memory.dmp
    Filesize

    44KB