Analysis

  • max time kernel
    119s
  • max time network
    95s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    15/07/2024, 23:59

General

  • Target

    3236d61b8f45dce0ba3439e8b0825900N.exe

  • Size

    711KB

  • MD5

    3236d61b8f45dce0ba3439e8b0825900

  • SHA1

    2350470c402ba9c0a3782e302b84a56710bf23e7

  • SHA256

    2332a62570b5ba6abfbd172b53a26aec1574200a8d19c36d93a1fb6240539db7

  • SHA512

    31a9c4870c04eafae2c92d0d2b753a13a3a838e7c88dbd3e3d74c5b4a3c998e43a5823bd402b958c14c0f175672e72ba406e1c7839bc1ca3514c743fabc3bf85

  • SSDEEP

    12288:SHkdjDv6Do9TWdcOHokfO8mJ785MmGQAA2A5NIQXgVlqqGGzMGe0Mge+supHGSh8:skxXOb1mxJ4ymGw5NBQVlqAg0Mg/HGSy

Malware Config

Signatures

  • Modifies WinLogon for persistence 2 TTPs 8 IoCs
  • Modifies visibility of file extensions in Explorer 2 TTPs 4 IoCs
  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 4 IoCs
  • Disables RegEdit via registry modification 4 IoCs
  • Event Triggered Execution: Image File Execution Options Injection 1 TTPs 16 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Drops startup file 5 IoCs
  • Executes dropped EXE 4 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Adds Run key to start application 2 TTPs 8 IoCs
  • Enumerates connected drives 3 TTPs 64 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops file in System32 directory 32 IoCs
  • Drops file in Program Files directory 27 IoCs
  • Drops file in Windows directory 64 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies registry class 9 IoCs
  • Suspicious use of SetWindowsHookEx 5 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3236d61b8f45dce0ba3439e8b0825900N.exe
    "C:\Users\Admin\AppData\Local\Temp\3236d61b8f45dce0ba3439e8b0825900N.exe"
    1⤵
    • Checks computer location settings
    • Drops startup file
    • Drops file in System32 directory
    • Drops file in Windows directory
    • Modifies registry class
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4008
    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\O07171Z\service.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\O07171Z\service.exe"
      2⤵
      • Modifies WinLogon for persistence
      • Modifies visibility of file extensions in Explorer
      • Modifies visiblity of hidden/system files in Explorer
      • Disables RegEdit via registry modification
      • Event Triggered Execution: Image File Execution Options Injection
      • Drops startup file
      • Executes dropped EXE
      • Adds Run key to start application
      • Enumerates connected drives
      • Drops file in System32 directory
      • Drops file in Program Files directory
      • Drops file in Windows directory
      • Modifies registry class
      • Suspicious use of SetWindowsHookEx
      PID:1948
    • C:\Windows\M70263\smss.exe
      "C:\Windows\M70263\smss.exe"
      2⤵
      • Modifies WinLogon for persistence
      • Modifies visibility of file extensions in Explorer
      • Modifies visiblity of hidden/system files in Explorer
      • Disables RegEdit via registry modification
      • Event Triggered Execution: Image File Execution Options Injection
      • Drops startup file
      • Executes dropped EXE
      • Adds Run key to start application
      • Enumerates connected drives
      • Drops file in System32 directory
      • Drops file in Windows directory
      • Modifies registry class
      • Suspicious use of SetWindowsHookEx
      PID:3324
    • C:\Windows\M70263\EmangEloh.exe
      "C:\Windows\M70263\EmangEloh.exe"
      2⤵
      • Modifies WinLogon for persistence
      • Modifies visibility of file extensions in Explorer
      • Modifies visiblity of hidden/system files in Explorer
      • Disables RegEdit via registry modification
      • Event Triggered Execution: Image File Execution Options Injection
      • Drops startup file
      • Executes dropped EXE
      • Adds Run key to start application
      • Enumerates connected drives
      • Drops file in System32 directory
      • Drops file in Windows directory
      • Modifies registry class
      • Suspicious use of SetWindowsHookEx
      PID:4960
    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\O07171Z\winlogon.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\O07171Z\winlogon.exe"
      2⤵
      • Modifies WinLogon for persistence
      • Modifies visibility of file extensions in Explorer
      • Modifies visiblity of hidden/system files in Explorer
      • Disables RegEdit via registry modification
      • Event Triggered Execution: Image File Execution Options Injection
      • Drops startup file
      • Executes dropped EXE
      • Adds Run key to start application
      • Enumerates connected drives
      • Drops file in System32 directory
      • Drops file in Windows directory
      • Modifies registry class
      • Suspicious use of SetWindowsHookEx
      PID:4092

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\O07171Z\service.exe

          Filesize

          711KB

          MD5

          3236d61b8f45dce0ba3439e8b0825900

          SHA1

          2350470c402ba9c0a3782e302b84a56710bf23e7

          SHA256

          2332a62570b5ba6abfbd172b53a26aec1574200a8d19c36d93a1fb6240539db7

          SHA512

          31a9c4870c04eafae2c92d0d2b753a13a3a838e7c88dbd3e3d74c5b4a3c998e43a5823bd402b958c14c0f175672e72ba406e1c7839bc1ca3514c743fabc3bf85

        • C:\Windows\[TheMoonlight].txt

          Filesize

          109B

          MD5

          68c7836c8ff19e87ca33a7959a2bdff5

          SHA1

          cc5d0205bb71c10bbed22fe47e59b1f6817daab7

          SHA256

          883b19ec550f7ddb1e274a83d58d66c771ab10fefd136bab79483f2eb84e7fec

          SHA512

          3656005148788ed7ac8f5b5f8f6f4736c2dc4a94771291170e61666beb81e63be2a1a0f2913233b0e3f12ddfa7f1e89da9cd8323306413395ee78b2ece7fbfe8

        • C:\Windows\system\msvbvm60.dll

          Filesize

          1.4MB

          MD5

          25f62c02619174b35851b0e0455b3d94

          SHA1

          4e8ee85157f1769f6e3f61c0acbe59072209da71

          SHA256

          898288bd3b21d0e7d5f406df2e0b69a5bbfa4f241baf29a2cdf8a3cf4d4619f2

          SHA512

          f4529fd9eca4e4696f7f06874866ff98a1447a9b0d3a20ef0de54d4d694e2497fd39c452f73fab9b8a02962a7b2b88d1e85f6e35c7cbcb9555003c6828bebc3a

        • memory/1948-240-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/1948-54-0x00000000001D0000-0x00000000001D2000-memory.dmp

          Filesize

          8KB

        • memory/1948-244-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/1948-250-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/1948-262-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/1948-236-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/3324-58-0x00000000001E0000-0x00000000001E2000-memory.dmp

          Filesize

          8KB

        • memory/3324-251-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/3324-237-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/3324-57-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/3324-241-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/4008-157-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/4008-0-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/4008-1-0x00000000001C0000-0x00000000001C2000-memory.dmp

          Filesize

          8KB

        • memory/4092-281-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/4092-243-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/4092-239-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/4092-247-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/4092-277-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/4092-138-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/4092-253-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/4092-273-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/4092-257-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/4092-261-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/4092-269-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/4092-265-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/4960-120-0x00000000001C0000-0x00000000001C2000-memory.dmp

          Filesize

          8KB

        • memory/4960-252-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/4960-238-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/4960-119-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB