Analysis

  • max time kernel
    138s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    01-07-2022 06:21

General

  • Target

    4da2b862979ff7d73021e4f00db408b0cee63fdc3967a0c591b94f1d619ce87c.xls

  • Size

    691KB

  • MD5

    9cd9936a613386a126448c82bdb13ee4

  • SHA1

    efc8cc57b49d120ebdfdf591e3cc40e3c94da91b

  • SHA256

    4da2b862979ff7d73021e4f00db408b0cee63fdc3967a0c591b94f1d619ce87c

  • SHA512

    5a33ae2d8e61f761b99a0ade4b4bfdb4cfc5833edbcb2e85755b47a62ccaa7d8b617b202abd8e1a6e1539af5480fa1c4ee0e503eb944de0bcdeb2a5ea69fb475

Score
10/10

Malware Config

Extracted

Language
xlm4.0
Source

Signatures

  • TA505

    Cybercrime group active since 2015, responsible for families like Dridex and Locky.

  • ACProtect 1.3x - 1.4x DLL software 1 IoCs

    Detects file using ACProtect software.

  • UPX packed file 2 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Loads dropped DLL 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
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of FindShellTrayWindow 3 IoCs
  • Suspicious use of SetWindowsHookEx 5 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\4da2b862979ff7d73021e4f00db408b0cee63fdc3967a0c591b94f1d619ce87c.xls
    1⤵
    • Loads dropped DLL
    • Enumerates system info in registry
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SetWindowsHookEx
    PID:892

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • \Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\20report_.dll

    Filesize

    216KB

    MD5

    f0689b0bd5cd2bcc334fdbdbeb992866

    SHA1

    fe59654990a6ef97e12dd1d4603acfa0494ab9c1

    SHA256

    0494fddc0ba0be384d29ee5ebe4a75c21975accded0fa90cefc9e7b3f28705a7

    SHA512

    0e204ac55b74d0b4db37cd0d2fb05ff3feec02934c2610c4ae66ff6ec0c0bac1f265ef694f2a9edddb2804135b7c707aac46d7921e643bb5dd9401a989e683cb

  • memory/892-54-0x000000002FCC1000-0x000000002FCC4000-memory.dmp

    Filesize

    12KB

  • memory/892-55-0x0000000071241000-0x0000000071243000-memory.dmp

    Filesize

    8KB

  • memory/892-56-0x000000005FFF0000-0x0000000060000000-memory.dmp

    Filesize

    64KB

  • memory/892-57-0x000000007222D000-0x0000000072238000-memory.dmp

    Filesize

    44KB

  • memory/892-58-0x0000000076191000-0x0000000076193000-memory.dmp

    Filesize

    8KB

  • memory/892-59-0x000000007222D000-0x0000000072238000-memory.dmp

    Filesize

    44KB

  • memory/892-61-0x0000000010000000-0x000000001005C000-memory.dmp

    Filesize

    368KB

  • memory/892-62-0x000000005FFF0000-0x0000000060000000-memory.dmp

    Filesize

    64KB

  • memory/892-63-0x000000007222D000-0x0000000072238000-memory.dmp

    Filesize

    44KB