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

  • MD5

    81a70d33c490b0b2af21a11869c6c589

  • SHA1

    8ebd33d404e0d6dd8eeb54165527534706e0829c

  • SHA256

    b4dfa03a75594d4eb89ee173a82f976245ef874079ffa9359c748d5ee9ff5d33

  • SHA512

    204a5bbc0516cb5c5662847c5ca43d3a96919fcc2d8815b3b0bcdc6d2d30fab01b0efec2a825c164728b5e8269bc73bc740f4da82f99c3de7b0ec7d0daf397c8

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

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\SPD.exe

      Filesize

      288KB

      MD5

      9c478210112e070de0a90944850a774b

      SHA1

      a63608beeb2a4ef2b0ca284d0360776493e2abf7

      SHA256

      9a305116bdb925cd20126f7ee3cc07174ca90bf558cf5e72665093297695bcd6

      SHA512

      bacab26d6dc7a9d23f8ba7035f0a02030181c33abf86be9f6d99e2d4ab61bc5371ce78d61deece96e196300df9fb22eb98e7c7e470c4b1225206a9fa9bffbf8a

    • C:\Users\Admin\AppData\Local\Temp\SPD.exe

      Filesize

      288KB

      MD5

      9c478210112e070de0a90944850a774b

      SHA1

      a63608beeb2a4ef2b0ca284d0360776493e2abf7

      SHA256

      9a305116bdb925cd20126f7ee3cc07174ca90bf558cf5e72665093297695bcd6

      SHA512

      bacab26d6dc7a9d23f8ba7035f0a02030181c33abf86be9f6d99e2d4ab61bc5371ce78d61deece96e196300df9fb22eb98e7c7e470c4b1225206a9fa9bffbf8a

    • \Users\Admin\AppData\Local\Temp\SPD.exe

      Filesize

      288KB

      MD5

      9c478210112e070de0a90944850a774b

      SHA1

      a63608beeb2a4ef2b0ca284d0360776493e2abf7

      SHA256

      9a305116bdb925cd20126f7ee3cc07174ca90bf558cf5e72665093297695bcd6

      SHA512

      bacab26d6dc7a9d23f8ba7035f0a02030181c33abf86be9f6d99e2d4ab61bc5371ce78d61deece96e196300df9fb22eb98e7c7e470c4b1225206a9fa9bffbf8a

    • \Users\Admin\AppData\Local\Temp\SPD.exe

      Filesize

      288KB

      MD5

      9c478210112e070de0a90944850a774b

      SHA1

      a63608beeb2a4ef2b0ca284d0360776493e2abf7

      SHA256

      9a305116bdb925cd20126f7ee3cc07174ca90bf558cf5e72665093297695bcd6

      SHA512

      bacab26d6dc7a9d23f8ba7035f0a02030181c33abf86be9f6d99e2d4ab61bc5371ce78d61deece96e196300df9fb22eb98e7c7e470c4b1225206a9fa9bffbf8a

    • \Users\Admin\AppData\Local\Temp\SPD.exe

      Filesize

      288KB

      MD5

      9c478210112e070de0a90944850a774b

      SHA1

      a63608beeb2a4ef2b0ca284d0360776493e2abf7

      SHA256

      9a305116bdb925cd20126f7ee3cc07174ca90bf558cf5e72665093297695bcd6

      SHA512

      bacab26d6dc7a9d23f8ba7035f0a02030181c33abf86be9f6d99e2d4ab61bc5371ce78d61deece96e196300df9fb22eb98e7c7e470c4b1225206a9fa9bffbf8a

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

      Filesize

      8KB

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

      Filesize

      8KB

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

      Filesize

      5.7MB

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

      Filesize

      8KB

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

      Filesize

      268KB

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

      Filesize

      8KB

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

      Filesize

      304KB

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

      Filesize

      312KB

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

      Filesize

      12KB

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

      Filesize

      8KB

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

      Filesize

      64KB

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

      Filesize

      44KB

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

      Filesize

      12.3MB