Analysis

  • max time kernel
    130s
  • max time network
    45s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    26-11-2022 03:10

General

  • Target

    2014ӻڶöʾ.xls

  • Size

    154KB

  • MD5

    fba52be3a68237efed94861936bbe328

  • SHA1

    cba13e94d26972c9c6438eda681bbb42a53f419a

  • SHA256

    e352396a341852856acdeab033e52bc0e1440fe5ee92a9867db2c836f4bf588f

  • SHA512

    6275f12e5d6b60877924d855b85ddde195fea95d098b2a76d68065e054e08792f9c7061561dc5d29acfb0781871c42f854746bc0a4608545ead3f6d088180044

  • SSDEEP

    3072:SeMxwjLk2pR+BFttquNGqiq94w+WwsP22jcc0lbxOKTjXJtXw9q5:/MxwjtL+9f2Q

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\2014ӻڶöʾ.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:1488
    • 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:996
      • C:\Windows\SysWOW64\attrib.exe
        attrib -S -h "C:\Users\Admin\AppData\Roaming\Microsoft\Excel\XLSTART\K4.XLS"
        3⤵
        • Views/modifies file attributes
        PID:572
    • 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:336
    • 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:288

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/288-222-0x0000000000000000-mapping.dmp
  • memory/336-221-0x0000000000000000-mapping.dmp
  • memory/572-223-0x0000000000000000-mapping.dmp
  • memory/996-220-0x0000000000000000-mapping.dmp
  • memory/1488-74-0x00000000005F3000-0x00000000005F6000-memory.dmp
    Filesize

    12KB

  • memory/1488-55-0x0000000071B31000-0x0000000071B33000-memory.dmp
    Filesize

    8KB

  • memory/1488-60-0x0000000000620000-0x0000000000623000-memory.dmp
    Filesize

    12KB

  • memory/1488-76-0x00000000005F3000-0x00000000005F6000-memory.dmp
    Filesize

    12KB

  • memory/1488-62-0x0000000000620000-0x0000000000623000-memory.dmp
    Filesize

    12KB

  • memory/1488-63-0x0000000000620000-0x0000000000623000-memory.dmp
    Filesize

    12KB

  • memory/1488-64-0x0000000000620000-0x0000000000623000-memory.dmp
    Filesize

    12KB

  • memory/1488-65-0x0000000000620000-0x0000000000623000-memory.dmp
    Filesize

    12KB

  • memory/1488-66-0x00000000005F3000-0x00000000005F6000-memory.dmp
    Filesize

    12KB

  • memory/1488-67-0x00000000005F3000-0x00000000005F6000-memory.dmp
    Filesize

    12KB

  • memory/1488-68-0x00000000005F3000-0x00000000005F6000-memory.dmp
    Filesize

    12KB

  • memory/1488-69-0x00000000005F3000-0x00000000005F6000-memory.dmp
    Filesize

    12KB

  • memory/1488-70-0x00000000005F3000-0x00000000005F6000-memory.dmp
    Filesize

    12KB

  • memory/1488-71-0x00000000005F3000-0x00000000005F6000-memory.dmp
    Filesize

    12KB

  • memory/1488-72-0x00000000005F3000-0x00000000005F6000-memory.dmp
    Filesize

    12KB

  • memory/1488-73-0x00000000005F3000-0x00000000005F6000-memory.dmp
    Filesize

    12KB

  • memory/1488-54-0x000000002F831000-0x000000002F834000-memory.dmp
    Filesize

    12KB

  • memory/1488-75-0x00000000005F3000-0x00000000005F6000-memory.dmp
    Filesize

    12KB

  • memory/1488-61-0x0000000000620000-0x0000000000623000-memory.dmp
    Filesize

    12KB

  • memory/1488-59-0x0000000072B1D000-0x0000000072B28000-memory.dmp
    Filesize

    44KB

  • memory/1488-79-0x00000000005F3000-0x00000000005F6000-memory.dmp
    Filesize

    12KB

  • memory/1488-78-0x00000000005F3000-0x00000000005F6000-memory.dmp
    Filesize

    12KB

  • memory/1488-80-0x00000000005F3000-0x00000000005F6000-memory.dmp
    Filesize

    12KB

  • memory/1488-81-0x00000000005F3000-0x00000000005F6000-memory.dmp
    Filesize

    12KB

  • memory/1488-82-0x00000000005F3000-0x00000000005F6000-memory.dmp
    Filesize

    12KB

  • memory/1488-83-0x00000000005F3000-0x00000000005F6000-memory.dmp
    Filesize

    12KB

  • memory/1488-84-0x00000000005F3000-0x00000000005F6000-memory.dmp
    Filesize

    12KB

  • memory/1488-85-0x00000000005F3000-0x00000000005F6000-memory.dmp
    Filesize

    12KB

  • memory/1488-86-0x00000000005F3000-0x00000000005F6000-memory.dmp
    Filesize

    12KB

  • memory/1488-87-0x00000000005F3000-0x00000000005F6000-memory.dmp
    Filesize

    12KB

  • memory/1488-88-0x00000000005F3000-0x00000000005F6000-memory.dmp
    Filesize

    12KB

  • memory/1488-110-0x00000000005F3000-0x00000000005F6000-memory.dmp
    Filesize

    12KB

  • memory/1488-58-0x0000000076681000-0x0000000076683000-memory.dmp
    Filesize

    8KB

  • memory/1488-57-0x0000000072B1D000-0x0000000072B28000-memory.dmp
    Filesize

    44KB

  • memory/1488-56-0x000000005FFF0000-0x0000000060000000-memory.dmp
    Filesize

    64KB

  • memory/1488-77-0x00000000005F3000-0x00000000005F6000-memory.dmp
    Filesize

    12KB

  • memory/1488-410-0x0000000072B1D000-0x0000000072B28000-memory.dmp
    Filesize

    44KB