Analysis

  • max time kernel
    140s
  • max time network
    140s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    15-03-2021 17:10

General

  • Target

    document-1451616459.xls

  • Size

    138KB

  • MD5

    08d201c4489b47be625a3a230640dc20

  • SHA1

    3f5264afa4b50968224a4c5a9e3d8a27a7fbb77b

  • SHA256

    01c0663e41e4673d1609d753a854b37d53c4c9d533dad979ed86dcb26b82a4b2

  • SHA512

    f65b65e640b8b2aec289dc38c8c96b251ae552c40743638b381ad676a0e36928fd9501328d1bf457025d3234df3793b9ac1eee41db0e4346e2eddaab7a555706

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.

  • Checks processor information in registry 2 TTPs 3 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious use of SetWindowsHookEx 20 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
    "C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\document-1451616459.xls"
    1⤵
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1456
    • C:\Windows\SYSTEM32\rundll32.exe
      rundll32 ..\zfbfg.ere,DllRegisterServer
      2⤵
      • Process spawned unexpected child process
      PID:212

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/212-7-0x0000000000000000-mapping.dmp

  • memory/1456-2-0x00007FFB33400000-0x00007FFB33410000-memory.dmp

    Filesize

    64KB

  • memory/1456-3-0x00007FFB33400000-0x00007FFB33410000-memory.dmp

    Filesize

    64KB

  • memory/1456-4-0x00007FFB33400000-0x00007FFB33410000-memory.dmp

    Filesize

    64KB

  • memory/1456-5-0x00007FFB33400000-0x00007FFB33410000-memory.dmp

    Filesize

    64KB

  • memory/1456-6-0x00007FFB568F0000-0x00007FFB56F27000-memory.dmp

    Filesize

    6.2MB