Analysis

  • max time kernel
    157s
  • max time network
    162s
  • platform
    windows7_x64
  • resource
    win7-en-20211208
  • submitted
    23-02-2022 00:38

General

  • Target

    02b4623f56f979b9082818d613cac29a56aba763288eacaee74e063469aca61b.exe

  • Size

    3.3MB

  • MD5

    77ab7e4dc7dcc201aabca121245d37de

  • SHA1

    05276c0f69e0cb1b0acfd125604eaa703d442f30

  • SHA256

    02b4623f56f979b9082818d613cac29a56aba763288eacaee74e063469aca61b

  • SHA512

    307e460a5fb0c06b44beea2e826d89434a71daba30210efd558d1b0a6b2b8fb75171d1d064c2703e1297c032fb8eb84a3c77c08747b2b5483017d648331d4b0b

Malware Config

Signatures

  • DiamondFox

    DiamondFox is a multipurpose botnet with many capabilities.

  • DiamondFox stealer 7 IoCs
  • NirSoft MailPassView 7 IoCs

    Password recovery tool for various email clients

  • NirSoft WebBrowserPassView 7 IoCs

    Password recovery tool for various web browsers

  • Nirsoft 7 IoCs
  • Executes dropped EXE 4 IoCs
  • Suspicious Office macro 1 IoCs

    Office document equipped with macros.

  • Loads dropped DLL 7 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Enumerates system info in registry 2 TTPs 1 IoCs
  • 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 SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\02b4623f56f979b9082818d613cac29a56aba763288eacaee74e063469aca61b.exe
    "C:\Users\Admin\AppData\Local\Temp\02b4623f56f979b9082818d613cac29a56aba763288eacaee74e063469aca61b.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:800
    • C:\Users\Admin\AppData\Local\Temp\._cache_02b4623f56f979b9082818d613cac29a56aba763288eacaee74e063469aca61b.exe
      "C:\Users\Admin\AppData\Local\Temp\._cache_02b4623f56f979b9082818d613cac29a56aba763288eacaee74e063469aca61b.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:472
      • C:\Users\Admin\AppData\Local\Temp\LOADER.EXE
        "C:\Users\Admin\AppData\Local\Temp\LOADER.EXE"
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of SetWindowsHookEx
        PID:1776
      • C:\Users\Admin\AppData\Local\Temp\PREDATOR_V13_-_CRACKED.EXE
        "C:\Users\Admin\AppData\Local\Temp\PREDATOR_V13_-_CRACKED.EXE"
        3⤵
        • Executes dropped EXE
        PID:1400
    • C:\ProgramData\Synaptics\Synaptics.exe
      "C:\ProgramData\Synaptics\Synaptics.exe" InjUpdate
      2⤵
      • Executes dropped EXE
      PID:396
  • C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE
    "C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /automation -Embedding
    1⤵
    • Enumerates system info in registry
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    PID:1352

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/396-72-0x0000000000220000-0x0000000000221000-memory.dmp

    Filesize

    4KB

  • memory/800-55-0x0000000000240000-0x0000000000241000-memory.dmp

    Filesize

    4KB

  • memory/800-54-0x0000000075F21000-0x0000000075F23000-memory.dmp

    Filesize

    8KB

  • memory/1352-78-0x0000000071121000-0x0000000071123000-memory.dmp

    Filesize

    8KB

  • memory/1352-77-0x000000002FDD1000-0x000000002FDD4000-memory.dmp

    Filesize

    12KB

  • memory/1352-79-0x000000005FFF0000-0x0000000060000000-memory.dmp

    Filesize

    64KB

  • memory/1352-80-0x000000007210D000-0x0000000072118000-memory.dmp

    Filesize

    44KB

  • memory/1400-76-0x000000001B320000-0x000000001B322000-memory.dmp

    Filesize

    8KB

  • memory/1400-75-0x000007FEF4E23000-0x000007FEF4E24000-memory.dmp

    Filesize

    4KB

  • memory/1400-82-0x000000001B326000-0x000000001B345000-memory.dmp

    Filesize

    124KB

  • memory/1400-83-0x000000001B345000-0x000000001B346000-memory.dmp

    Filesize

    4KB

  • memory/1400-74-0x0000000000DB0000-0x0000000001008000-memory.dmp

    Filesize

    2.3MB