Analysis

  • max time kernel
    118s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    17/05/2024, 01:39

General

  • Target
    8406a1d7a33b3549dd44f551e5a68392f85b5ef9cf8f9f3db68bd7e02d1eaba7.xls
  • Size 75KB
  • Sample240517-b29pwsbd2w
  • SHA256 8406a1d7a33b3549dd44f551e5a68392f85b5ef9cf8f9f3db68bd7e02d1eaba7
  • MD5 SHA1 SHA512 SSDEEP
Score
8/10

Malware Config

Signatures

  • Blocklisted process makes network request 3 IoCs
  • Abuses OpenXML format to download file from external location
  • Command and Scripting Interpreter: JavaScript 1 TTPs
  • Office loads VBA resources, possible macro or embedded object present
  • 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 AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 5 IoCs
  • Suspicious use of WriteProcessMemory 8 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\8406a1d7a33b3549dd44f551e5a68392f85b5ef9cf8f9f3db68bd7e02d1eaba7.xls
    1⤵
    • Enumerates system info in registry
    • Modifies Internet Explorer settings
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    PID:2924
  • C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE
    "C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE" -Embedding
    1⤵
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2536
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
        PID:2012
    • 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
      • Suspicious use of WriteProcessMemory
      PID:1536
      • C:\Windows\SysWOW64\WScript.exe
        "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Roaming\morningdatingroses.js"
        2⤵
        • Blocklisted process makes network request
        PID:1660

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          FSD-CNRY.FSD

          • Path C:\Users\Admin\AppData\Local\Microsoft\Office\14.0\OfficeFileCache\LocalCacheFileEditManager\FSD-CNRY.FSD
          • Size 128KB
          • SHA256 b44b1d31cb395c7a925d00c27f2acb60e2999eb208d2c26e0a823d8df6dda986
          • MD5 SHA1 SHA512 SSDEEP

          evengwalkreallynicetodoforhealthbecauseitsabeautiuflthingshumancandoveryniceiunderstanduntilinotdoingmrngwalkitrulyfacehealthissuebecause___trulyneedthiewalki[1].doc

          • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\EDQW9R5V\evengwalkreallynicetodoforhealthbecauseitsabeautiuflthingshumancandoveryniceiunderstanduntilinotdoingmrngwalkitrulyfacehealthissuebecause___trulyneedthiewalki[1].doc
          • Size 69KB
          • SHA256 208af8e2754a3e55a64796b29ef3a625d89a357c59c43d0ff4d2d30e20092d74
          • MD5 SHA1 SHA512 SSDEEP

          {38AE1DB9-7088-416B-9461-40C409D9EB2F}

          • Path C:\Users\Admin\AppData\Local\Temp\{38AE1DB9-7088-416B-9461-40C409D9EB2F}
          • Size 128KB
          • SHA256 8ef23e64262f853b126a590aa8b137e360bbaa44144036759bb8c6f374673512
          • MD5 SHA1 SHA512 SSDEEP

          index.dat

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Office\Recent\index.dat
          • Size 41B
          • SHA256 4fed131ce9bee5616089aec413f54b2ddaedc488a7517343375c2c302f51f93d
          • MD5 SHA1 SHA512

          Normal.dotm

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Templates\Normal.dotm
          • Size 20KB
          • SHA256 7c19c8589ba8ffbfb73b95c07acf099d54fa6fe6ada4ef90df73d49b65ed0da8
          • MD5 SHA1 SHA512 SSDEEP

          E1UAD4MF.txt

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Cookies\E1UAD4MF.txt
          • Size 71B
          • SHA256 559e3b867b8fa1ad265e300dbc27c01215580904e1feda51d620b52a1f844b53
          • MD5 SHA1 SHA512

          morningdatingroses.js

          • Path C:\Users\Admin\AppData\Roaming\morningdatingroses.js
          • Size 5KB
          • SHA256 124e349c187fc45fa762e10e4ac94e31d7f207eaf8382073c103eec6dbf5e709
          • MD5 SHA1 SHA512 SSDEEP

          memory/2536-8-0x0000000003690000-0x0000000003692000-memory.dmp

          memory/2536-6-0x0000000071CED000-0x0000000071CF8000-memory.dmp

          memory/2536-4-0x000000002FA61000-0x000000002FA62000-memory.dmp

          memory/2536-112-0x0000000071CED000-0x0000000071CF8000-memory.dmp

          memory/2536-134-0x000000005FFF0000-0x0000000060000000-memory.dmp

          memory/2536-135-0x0000000071CED000-0x0000000071CF8000-memory.dmp

          memory/2924-9-0x0000000001EE0000-0x0000000001EE2000-memory.dmp

          memory/2924-1-0x0000000071CED000-0x0000000071CF8000-memory.dmp

          memory/2924-111-0x0000000071CED000-0x0000000071CF8000-memory.dmp

          memory/2924-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

          memory/2924-139-0x0000000071CED000-0x0000000071CF8000-memory.dmp