Analysis

  • max time kernel
    160s
  • max time network
    142s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    23-11-2022 14:40

General

  • Target

    9D6177934342682172039AE3866343EF1118F511409799C62C040EC1355D8BD7.xls

  • Size

    393KB

  • MD5

    6a7c06df3a44d151fb54e86c4dd979cb

  • SHA1

    b2d05b3c2abf9f540b9e7bfd609c1f5786c43490

  • SHA256

    9d6177934342682172039ae3866343ef1118f511409799c62c040ec1355d8bd7

  • SHA512

    13a6d4fe088cb38efcda635ed1f14acd6f1bfd7ee5dd0f2e9b0ad6dbdde4c12bf2e6da26928403735499ebe35f3ee7bab16df9e15b4e21609359cf80e08e9727

  • SSDEEP

    12288:rdNqrDx7XXXXXXXXXXXXUXXXXXXXrXXXXXXXXEmYETmiTmoNepYtWL//3xFwAvft:2r5XXXXXXXXXXXXUXXXXXXXrXXXXXXXY

Score
8/10

Malware Config

Signatures

  • Blocklisted process makes network request 2 IoCs
  • Enumerates system info in registry 2 TTPs 1 IoCs
  • Launches Equation Editor 1 TTPs 1 IoCs

    Equation Editor is an old Office component often targeted by exploits such as CVE-2017-11882.

  • Modifies Internet Explorer settings 1 TTPs 31 IoCs
  • Modifies registry class 64 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs

Processes

  • C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE
    "C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\9D6177934342682172039AE3866343EF1118F511409799C62C040EC1355D8BD7.xls
    1⤵
    • Enumerates system info in registry
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    PID:948
  • C:\Program Files (x86)\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE
    "C:\Program Files (x86)\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE" -Embedding
    1⤵
    • Blocklisted process makes network request
    • Launches Equation Editor
    PID:2020

Network

MITRE ATT&CK Matrix ATT&CK v6

Execution

Exploitation for Client Execution

1
T1203

Defense Evasion

Modify Registry

1
T1112

Discovery

Query Registry

1
T1012

System Information Discovery

1
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/948-54-0x000000002FE91000-0x000000002FE94000-memory.dmp
    Filesize

    12KB

  • memory/948-55-0x0000000071D11000-0x0000000071D13000-memory.dmp
    Filesize

    8KB

  • memory/948-56-0x000000005FFF0000-0x0000000060000000-memory.dmp
    Filesize

    64KB

  • memory/948-57-0x0000000072CFD000-0x0000000072D08000-memory.dmp
    Filesize

    44KB

  • memory/948-58-0x00000000761E1000-0x00000000761E3000-memory.dmp
    Filesize

    8KB

  • memory/948-60-0x000000005FFF0000-0x0000000060000000-memory.dmp
    Filesize

    64KB

  • memory/948-61-0x0000000072CFD000-0x0000000072D08000-memory.dmp
    Filesize

    44KB