Analysis

  • max time kernel
    120s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-en-20211208
  • submitted
    15/01/2022, 09:14

General

  • Target
    Invoice Payment.xll
  • Size 639KB
  • Sample220115-k7crsaeabm
  • SHA256 e01271da5d003c2c0c47314e9bf83fc66e2329c27e7febd768db1a4ecc45aedb
  • MD5 SHA1 SHA512
Score
10/10

Malware Config

Extracted

Language
  • xlm4.0

Source

Signatures

  • Loads dropped DLL 2 IoCs
  • 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 use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SetWindowsHookEx 3 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\Invoice Payment.xll"
    1⤵
    • Loads dropped DLL
    • Enumerates system info in registry
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SetWindowsHookEx
    PID:1548

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        memory/1548-63-0x00000000046F0000-0x000000000470C000-memory.dmp

        memory/1548-64-0x00000000046F0000-0x000000000470C000-memory.dmp

        memory/1548-56-0x00000000710A1000-0x00000000710A3000-memory.dmp

        memory/1548-60-0x0000000007840000-0x0000000007841000-memory.dmp

        memory/1548-61-0x00000000046F0000-0x000000000470C000-memory.dmp

        memory/1548-62-0x00000000046F0000-0x000000000470C000-memory.dmp

        memory/1548-55-0x000000002F0F1000-0x000000002F0F4000-memory.dmp

        memory/1548-57-0x000000005FFF0000-0x0000000060000000-memory.dmp

        memory/1548-65-0x0000000004940000-0x000000000497C000-memory.dmp

        memory/1548-67-0x0000000007843000-0x0000000007844000-memory.dmp

        memory/1548-66-0x0000000007841000-0x0000000007842000-memory.dmp

        memory/1548-68-0x0000000007844000-0x0000000007845000-memory.dmp

        memory/1548-69-0x0000000007845000-0x0000000007847000-memory.dmp

        memory/1548-70-0x000000000784B000-0x000000000785C000-memory.dmp

        memory/1548-71-0x0000000004780000-0x0000000004788000-memory.dmp

        memory/1548-72-0x000000005FFF0000-0x0000000060000000-memory.dmp