Analysis

  • max time kernel
    146s
  • max time network
    138s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    21-04-2021 21:34

General

  • Target

    Sales contract.doc

  • Size

    295KB

  • MD5

    452e11d23c80550a45b6a498bac85733

  • SHA1

    1b1355594eecbfad9803e771bedefedf96ecceee

  • SHA256

    8ac32b7faa79aabd51156f6503e624a53ee5d355d602784273376ad45e7dbdbf

  • SHA512

    fcf7955fe9b6e84e6361a2e0beca3bce9a64d7f413c8629a877e37da016144c4c886ecbf0d61586233aecb15f9215ac0378fc5349ed127465904658af1a3f3a5

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.

  • Checks processor information in registry 2 TTPs 3 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies registry class 10 IoCs
  • NTFS ADS 1 IoCs
  • Suspicious behavior: AddClipboardFormatListener 2 IoCs
  • Suspicious use of SetWindowsHookEx 10 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE
    "C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\Sales contract.doc" /o ""
    1⤵
    • Checks processor information in registry
    • Enumerates system info in registry
    • Modifies registry class
    • NTFS ADS
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4024
    • C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\FLTLDR.EXE
      "C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\FLTLDR.EXE" C:\Program Files\Common Files\Microsoft Shared\GRPHFLT\PNG32.FLT
      2⤵
      • Process spawned unexpected child process
      PID:3916

Network

MITRE ATT&CK Matrix ATT&CK v6

Discovery

Query Registry

2
T1012

System Information Discovery

2
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Packages\oice_16_974fa576_32c1d314_32de\AC\Temp\FL4EA2.tmp
    MD5

    5d7107c6de79583221303fed8e4413fb

    SHA1

    7ce7da26774d7a23bfcaae9c5c823afe07171a6e

    SHA256

    2286e41536454af093c89b12e71c3b24559ffea5de807cd5397aa6de168d8522

    SHA512

    d16bdb7f3ad00617a171ffb364bd2012f84567af01ede4edf0f611fbd8ab040c9e0482f50a765422f138166897150a58eda1ad16a59eab59c20d1d3b97af5982

  • memory/3916-179-0x0000000000000000-mapping.dmp
  • memory/3916-181-0x00007FFA892C0000-0x00007FFA892D0000-memory.dmp
    Filesize

    64KB

  • memory/4024-114-0x00007FFA892C0000-0x00007FFA892D0000-memory.dmp
    Filesize

    64KB

  • memory/4024-115-0x00007FFA892C0000-0x00007FFA892D0000-memory.dmp
    Filesize

    64KB

  • memory/4024-116-0x00007FFA892C0000-0x00007FFA892D0000-memory.dmp
    Filesize

    64KB

  • memory/4024-117-0x00007FFA892C0000-0x00007FFA892D0000-memory.dmp
    Filesize

    64KB

  • memory/4024-119-0x00007FFA892C0000-0x00007FFA892D0000-memory.dmp
    Filesize

    64KB

  • memory/4024-118-0x00007FFAAA370000-0x00007FFAACE93000-memory.dmp
    Filesize

    43.1MB

  • memory/4024-122-0x00007FFAA4990000-0x00007FFAA5A7E000-memory.dmp
    Filesize

    16.9MB

  • memory/4024-123-0x00007FFAA2A90000-0x00007FFAA4985000-memory.dmp
    Filesize

    31.0MB