Analysis

  • max time kernel
    111s
  • max time network
    48s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    24-11-2022 07:04

General

  • Target

    鸦岗(一期)项目基坑支护及土石方工程.xls

  • Size

    225KB

  • MD5

    d95513314d289d81ac50d472e72c4c4d

  • SHA1

    877d9e12bb469e6b52220c6b26bad85337b3d68a

  • SHA256

    90a8ed62942b48191d73188e9e8baff46077de97b69fecc17dbf6e964e77525d

  • SHA512

    dfb76f9fcd851ab912dcd5d17838760b7b8540cd2baf45be4cd5d23c07a4c8be2beab71a4a801f917ecd548dd85b54697d6cb63ab274ceacbaa137971224d034

  • SSDEEP

    3072:1YjPEOOPTguRLMZBcSOhAA/MCXxl+ZWVbihlzQ7ITk9I03L3FoJLXwN5kBNb:RAZ2SO2YMCXqdS3L3Y

Score
10/10

Malware Config

Signatures

  • Process spawned unexpected child process 4 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 20 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\鸦岗(一期)项目基坑支护及土石方工程.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:2016
    • 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:1052
      • C:\Windows\SysWOW64\attrib.exe
        attrib -S -h "C:\Users\Admin\AppData\Roaming\Microsoft\Excel\XLSTART\K4.XLS"
        3⤵
        • Views/modifies file attributes
        PID:612
    • 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:2008
    • 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:1520
    • C:\Windows\SysWOW64\wscript.exe
      "C:\Windows\System32\wscript.exe" E:\KK\鸦岗(一期)项目基坑支护及土石方工程_Search.vbs
      2⤵
      • Process spawned unexpected child process
      PID:1128

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/612-222-0x0000000000000000-mapping.dmp
  • memory/1052-219-0x0000000000000000-mapping.dmp
  • memory/1128-311-0x0000000000000000-mapping.dmp
  • memory/1520-221-0x0000000000000000-mapping.dmp
  • memory/2008-220-0x0000000000000000-mapping.dmp
  • memory/2016-57-0x0000000072ACD000-0x0000000072AD8000-memory.dmp
    Filesize

    44KB

  • memory/2016-58-0x0000000075A71000-0x0000000075A73000-memory.dmp
    Filesize

    8KB

  • memory/2016-54-0x000000002F3F1000-0x000000002F3F4000-memory.dmp
    Filesize

    12KB

  • memory/2016-56-0x000000005FFF0000-0x0000000060000000-memory.dmp
    Filesize

    64KB

  • memory/2016-223-0x00000000056A0000-0x00000000057A0000-memory.dmp
    Filesize

    1024KB

  • memory/2016-245-0x00000000056A0000-0x00000000057A0000-memory.dmp
    Filesize

    1024KB

  • memory/2016-267-0x00000000056A0000-0x00000000057A0000-memory.dmp
    Filesize

    1024KB

  • memory/2016-55-0x0000000071AE1000-0x0000000071AE3000-memory.dmp
    Filesize

    8KB

  • memory/2016-428-0x0000000072ACD000-0x0000000072AD8000-memory.dmp
    Filesize

    44KB

  • memory/2016-430-0x0000000072ACD000-0x0000000072AD8000-memory.dmp
    Filesize

    44KB