Analysis

  • max time kernel
    64s
  • max time network
    0s
  • platform
    windows7_x64
  • resource
    win7-en-20211104
  • submitted
    25-11-2021 16:25

General

  • Target

    6e108b6bf01d450ff3e96b075381417229b1591373047992964375790c6c19a7.xls

  • Size

    8KB

  • MD5

    8cb3b37892675e7fd0322c77ac9cb272

  • SHA1

    43de631b9b9c6b0a0ab9743ab471e4546ee18300

  • SHA256

    6e108b6bf01d450ff3e96b075381417229b1591373047992964375790c6c19a7

  • SHA512

    ce8504b89a1a92f297e6de6317387c7bb09a409591ab85d4773b93891cb22f21bd6114087febe3dab63bbecec43e3bb29767e4a8ad1ea1db13d10368db060ab6

Score
10/10

Malware Config

Signatures

  • Process spawned unexpected child process 1 IoCs

    This typically indicates the parent process was compromised via an exploit or macro.

  • Enumerates system info in registry 2 TTPs 1 IoCs
  • Modifies Internet Explorer settings 1 TTPs 31 IoCs
  • Modifies registry class 64 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 8 IoCs
  • Suspicious use of WriteProcessMemory 8 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\6e108b6bf01d450ff3e96b075381417229b1591373047992964375790c6c19a7.xls
    1⤵
    • Enumerates system info in registry
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1140
    • C:\Windows\SysWOW64\CMD.EXE
      CMD.EXE /C powershell.exe
      2⤵
      • Process spawned unexpected child process
      • Suspicious use of WriteProcessMemory
      PID:1828
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        powershell.exe
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:640

Network

MITRE ATT&CK Matrix ATT&CK v6

Defense Evasion

Modify Registry

1
T1112

Discovery

Query Registry

1
T1012

System Information Discovery

1
T1082

Replay Monitor

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Downloads

  • memory/640-59-0x0000000000000000-mapping.dmp
  • memory/640-60-0x0000000075981000-0x0000000075983000-memory.dmp
    Filesize

    8KB

  • memory/640-61-0x0000000002290000-0x0000000002EDA000-memory.dmp
    Filesize

    12.3MB

  • memory/1140-55-0x000000002F4D1000-0x000000002F4D4000-memory.dmp
    Filesize

    12KB

  • memory/1140-56-0x0000000070EB1000-0x0000000070EB3000-memory.dmp
    Filesize

    8KB

  • memory/1140-57-0x000000005FFF0000-0x0000000060000000-memory.dmp
    Filesize

    64KB

  • memory/1140-62-0x000000005FFF0000-0x0000000060000000-memory.dmp
    Filesize

    64KB

  • memory/1828-58-0x0000000000000000-mapping.dmp