Analysis

  • max time kernel
    113s
  • max time network
    114s
  • platform
    windows7_x64
  • resource
    win7v20201028
  • submitted
    24-11-2020 23:47

General

  • Target

    deed contract.11.20.doc

  • Size

    143KB

  • MD5

    98ec9df6254d78b1fc1abdf7090da3f7

  • SHA1

    6642cb5d474a9ed788fb5a33cc5b72c6f825c1f3

  • SHA256

    37db367c01e40ee2f05a5966d6670e07fd3292c01f4da8ffd77c0e3c96a79464

  • SHA512

    dfbc5ff2b935b905ad554b30994dc0446d93e0d8eaeb279ab33c376b35ff1cad6b21931da920c103ab435ac1c2968bcfcc8c3e0db2c3ae2222f5b86ab0460354

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.

  • Blacklisted process makes network request 6 IoCs
  • Loads dropped DLL 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 9 IoCs
  • Modifies system certificate store 2 TTPs 4 IoCs
  • Script User-Agent 1 IoCs

    Uses user-agent string associated with script host/environment.

  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of SetWindowsHookEx 16 IoCs
  • Suspicious use of WriteProcessMemory 11 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\deed contract.11.20.doc"
    1⤵
    • Drops file in Windows directory
    • Modifies Internet Explorer settings
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1584
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32 C:\Users\Admin\AppData\Local\Temp\FpVjp.pdf,ShowDialogA -r
      2⤵
      • Process spawned unexpected child process
      • Blacklisted process makes network request
      • Loads dropped DLL
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      PID:1188
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
        PID:564

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Defense Evasion

    Modify Registry

    2
    T1112

    Install Root Certificate

    1
    T1130

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\FpVjp.pdf
      MD5

      516891dec3d25a43e4c14b5b134956f9

      SHA1

      a01b8fc4157271af97e77bcef71e92ee85333dcb

      SHA256

      ca6dc8b1dada5e2f28db41874f2b572354e3e92f73d18a61404578b4173634bc

      SHA512

      d14807668139f8e3d4b9076872419e59c3b268879b78b87ec7c79e0b01652dc55d5871e0870d8383b830d8bafae171f220b756503588e9c2486b7db5cdb4d161

    • \Users\Admin\AppData\Local\Temp\FpVjp.pdf
      MD5

      516891dec3d25a43e4c14b5b134956f9

      SHA1

      a01b8fc4157271af97e77bcef71e92ee85333dcb

      SHA256

      ca6dc8b1dada5e2f28db41874f2b572354e3e92f73d18a61404578b4173634bc

      SHA512

      d14807668139f8e3d4b9076872419e59c3b268879b78b87ec7c79e0b01652dc55d5871e0870d8383b830d8bafae171f220b756503588e9c2486b7db5cdb4d161

    • memory/564-6-0x0000000000000000-mapping.dmp
    • memory/1188-3-0x0000000000000000-mapping.dmp
    • memory/1584-0-0x00000000005B7000-0x00000000005BA000-memory.dmp
      Filesize

      12KB

    • memory/1584-1-0x0000000000534000-0x0000000000538000-memory.dmp
      Filesize

      16KB

    • memory/1584-2-0x0000000000534000-0x0000000000538000-memory.dmp
      Filesize

      16KB