Analysis

  • max time kernel
    105s
  • max time network
    46s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    29-11-2022 08:44

General

  • Target

    e11c6dadca8996260536a8ab733ec68f1381a2292c66998e8a0a290d6456a21d.xls

  • Size

    110KB

  • MD5

    7f150bfdfe30149e172fa35ddb18abf6

  • SHA1

    27874b05c3c53830a9d994ce2d63a0f032fe89db

  • SHA256

    e11c6dadca8996260536a8ab733ec68f1381a2292c66998e8a0a290d6456a21d

  • SHA512

    a7c3eb610d6b30ff674589e35e9b47b74d0653180cff0684c6a7ba26f273b304f985a5260f08ce89ddada891f3a9c36bb4b3fad44a0be60e576e56a6fc46d9f6

  • SSDEEP

    3072:pQMfl+dr7vnFri2jcc0lbxOKcEdJtXwCL2C:pSvn9OHaC

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 7 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\e11c6dadca8996260536a8ab733ec68f1381a2292c66998e8a0a290d6456a21d.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:1652
    • 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:108
      • C:\Windows\SysWOW64\attrib.exe
        attrib -S -h "C:\Users\Admin\AppData\Roaming\Microsoft\Excel\XLSTART\K4.XLS"
        3⤵
        • Views/modifies file attributes
        PID:740
    • 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:588
    • 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:1784
    • C:\Windows\SysWOW64\wscript.exe
      "C:\Windows\System32\wscript.exe" E:\KK\e11c6dadca8996260536a8ab733ec68f1381a2292c66998e8a0a290d6456a21d_Search.vbs
      2⤵
      • Process spawned unexpected child process
      PID:1620

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/108-214-0x0000000000000000-mapping.dmp
  • memory/588-216-0x0000000000000000-mapping.dmp
  • memory/740-217-0x0000000000000000-mapping.dmp
  • memory/1620-308-0x0000000000000000-mapping.dmp
  • memory/1652-77-0x0000000000774000-0x0000000000778000-memory.dmp
    Filesize

    16KB

  • memory/1652-79-0x0000000000774000-0x0000000000778000-memory.dmp
    Filesize

    16KB

  • memory/1652-65-0x0000000000774000-0x0000000000778000-memory.dmp
    Filesize

    16KB

  • memory/1652-64-0x0000000000774000-0x0000000000778000-memory.dmp
    Filesize

    16KB

  • memory/1652-78-0x0000000000774000-0x0000000000778000-memory.dmp
    Filesize

    16KB

  • memory/1652-80-0x0000000000774000-0x0000000000778000-memory.dmp
    Filesize

    16KB

  • memory/1652-54-0x000000002FD41000-0x000000002FD44000-memory.dmp
    Filesize

    12KB

  • memory/1652-75-0x0000000000774000-0x0000000000778000-memory.dmp
    Filesize

    16KB

  • memory/1652-74-0x0000000000774000-0x0000000000778000-memory.dmp
    Filesize

    16KB

  • memory/1652-73-0x0000000000774000-0x0000000000778000-memory.dmp
    Filesize

    16KB

  • memory/1652-72-0x0000000000774000-0x0000000000778000-memory.dmp
    Filesize

    16KB

  • memory/1652-71-0x0000000000774000-0x0000000000778000-memory.dmp
    Filesize

    16KB

  • memory/1652-70-0x0000000000774000-0x0000000000778000-memory.dmp
    Filesize

    16KB

  • memory/1652-69-0x0000000000774000-0x0000000000778000-memory.dmp
    Filesize

    16KB

  • memory/1652-68-0x0000000000774000-0x0000000000778000-memory.dmp
    Filesize

    16KB

  • memory/1652-66-0x0000000000774000-0x0000000000778000-memory.dmp
    Filesize

    16KB

  • memory/1652-76-0x0000000000774000-0x0000000000778000-memory.dmp
    Filesize

    16KB

  • memory/1652-63-0x0000000000774000-0x0000000000778000-memory.dmp
    Filesize

    16KB

  • memory/1652-67-0x0000000000774000-0x0000000000778000-memory.dmp
    Filesize

    16KB

  • memory/1652-62-0x0000000000774000-0x0000000000778000-memory.dmp
    Filesize

    16KB

  • memory/1652-61-0x0000000000774000-0x0000000000778000-memory.dmp
    Filesize

    16KB

  • memory/1652-60-0x0000000000774000-0x0000000000778000-memory.dmp
    Filesize

    16KB

  • memory/1652-59-0x0000000000774000-0x0000000000778000-memory.dmp
    Filesize

    16KB

  • memory/1652-81-0x0000000000774000-0x0000000000778000-memory.dmp
    Filesize

    16KB

  • memory/1652-103-0x0000000000774000-0x0000000000778000-memory.dmp
    Filesize

    16KB

  • memory/1652-147-0x0000000000774000-0x0000000000776000-memory.dmp
    Filesize

    8KB

  • memory/1652-58-0x0000000076041000-0x0000000076043000-memory.dmp
    Filesize

    8KB

  • memory/1652-57-0x000000007226D000-0x0000000072278000-memory.dmp
    Filesize

    44KB

  • memory/1652-422-0x000000007226D000-0x0000000072278000-memory.dmp
    Filesize

    44KB

  • memory/1652-56-0x000000005FFF0000-0x0000000060000000-memory.dmp
    Filesize

    64KB

  • memory/1652-218-0x0000000000774000-0x0000000000776000-memory.dmp
    Filesize

    8KB

  • memory/1652-219-0x000000007226D000-0x0000000072278000-memory.dmp
    Filesize

    44KB

  • memory/1652-55-0x0000000071281000-0x0000000071283000-memory.dmp
    Filesize

    8KB

  • memory/1652-419-0x0000000000774000-0x0000000000776000-memory.dmp
    Filesize

    8KB

  • memory/1652-420-0x0000000000774000-0x0000000000776000-memory.dmp
    Filesize

    8KB

  • memory/1784-215-0x0000000000000000-mapping.dmp