Analysis

  • max time kernel
    42s
  • max time network
    46s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    05/12/2022, 17:36

General

  • Target

    d305da0f4ca8d0675218747ec7f6dd2357b4a4187627f40fdafca23d90e5d232.dll

  • Size

    26KB

  • MD5

    926ecb7f90014b663b7cff31b689517d

  • SHA1

    943262a40dea888a3e635dad1a0977782578be46

  • SHA256

    d305da0f4ca8d0675218747ec7f6dd2357b4a4187627f40fdafca23d90e5d232

  • SHA512

    1d33e2c0119ebeb8a737c2ca86b209ed85b333b76d125e03b461c7f85d48fa459f193ffbb944b0b20961a33d1270a22a533e0ec3343e24a9ff4c3a0c6a2fed9f

  • SSDEEP

    384:GhDR3tFHvfJIVNkVgJ6xzB6vh1vq2TxD99eYXzLFx+WHWyW4BbffTkGsVD35kVDp:GhJtf3S6xzqhlq2n97toBQpIS

Score
10/10

Malware Config

Signatures

  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
  • Process spawned unexpected child process 1 IoCs

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

  • Drops file in System32 directory 3 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: MapViewOfSection 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\d305da0f4ca8d0675218747ec7f6dd2357b4a4187627f40fdafca23d90e5d232.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:896
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\d305da0f4ca8d0675218747ec7f6dd2357b4a4187627f40fdafca23d90e5d232.dll,#1
      2⤵
      • Drops file in System32 directory
      PID:1108
  • C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE
    "C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE" /Automation -Embedding
    1⤵
    • Modifies WinLogon for persistence
    • Drops file in System32 directory
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:980
    • C:\Windows\SysWOW64\svchost.exe
      svchost.exe
      2⤵
      • Process spawned unexpected child process
      • Modifies registry class
      PID:1724

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        • C:\Windows\SysWOW64\oife.mro

          Filesize

          26KB

          MD5

          926ecb7f90014b663b7cff31b689517d

          SHA1

          943262a40dea888a3e635dad1a0977782578be46

          SHA256

          d305da0f4ca8d0675218747ec7f6dd2357b4a4187627f40fdafca23d90e5d232

          SHA512

          1d33e2c0119ebeb8a737c2ca86b209ed85b333b76d125e03b461c7f85d48fa459f193ffbb944b0b20961a33d1270a22a533e0ec3343e24a9ff4c3a0c6a2fed9f

        • memory/980-56-0x0000000072B11000-0x0000000072B14000-memory.dmp

          Filesize

          12KB

        • memory/980-57-0x0000000070591000-0x0000000070593000-memory.dmp

          Filesize

          8KB

        • memory/980-58-0x000000005FFF0000-0x0000000060000000-memory.dmp

          Filesize

          64KB

        • memory/980-60-0x000000000064B000-0x000000000064F000-memory.dmp

          Filesize

          16KB

        • memory/980-62-0x000000007157D000-0x0000000071588000-memory.dmp

          Filesize

          44KB

        • memory/980-63-0x000000005FFF0000-0x0000000060000000-memory.dmp

          Filesize

          64KB

        • memory/980-64-0x000000007157D000-0x0000000071588000-memory.dmp

          Filesize

          44KB

        • memory/1108-55-0x0000000075B41000-0x0000000075B43000-memory.dmp

          Filesize

          8KB