Analysis

  • max time kernel
    121s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    10/11/2024, 21:56

General

  • Target

    4126ef4945c09f2089a5eaba00d1373016726d5b8f2a53a56b4aec4a95fb7251.exe

  • Size

    38KB

  • MD5

    9dd5b2cc5e4e3f6f57fd53c233642cd1

  • SHA1

    a0593f2a8dcaff05e3d5812047e25ab6dd0cfb89

  • SHA256

    4126ef4945c09f2089a5eaba00d1373016726d5b8f2a53a56b4aec4a95fb7251

  • SHA512

    f0bd598cab4de8510df05676bccf87bd911eebfe05d926eb658529a0f9def041260a79940d765044969b24e04614b9623b0e0d8e699b5dec90b47bc07966cbfe

  • SSDEEP

    768:Nzj1JegVa3Gry+uELEmITCs/NUZ6nZdYbCLECkrQoP9fmF2f1cOGuU:NWQa2TLEmITcoQxfllfmS1cOg

Malware Config

Signatures

  • Stops running service(s) 4 TTPs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Drops file in System32 directory 3 IoCs
  • UPX packed file 4 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Launches sc.exe 2 IoCs

    Sc.exe is a Windows utlilty to control services on the system.

  • System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4126ef4945c09f2089a5eaba00d1373016726d5b8f2a53a56b4aec4a95fb7251.exe
    "C:\Users\Admin\AppData\Local\Temp\4126ef4945c09f2089a5eaba00d1373016726d5b8f2a53a56b4aec4a95fb7251.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in System32 directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2500
    • C:\Windows\SysWOW64\sc.exe
      C:\Windows\system32\sc.exe stop wscsvc
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:2116
    • C:\Windows\SysWOW64\1230\smss.exe
      C:\Windows\system32\1230\smss.exe -d
      2⤵
      • Executes dropped EXE
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2016
      • C:\Windows\SysWOW64\sc.exe
        C:\Windows\system32\sc.exe stop wscsvc
        3⤵
        • Launches sc.exe
        • System Location Discovery: System Language Discovery
        PID:2316

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • \Windows\SysWOW64\1230\smss.exe

          Filesize

          38KB

          MD5

          f27c6d2ab9d6c286a5c6631c36ed829a

          SHA1

          d0f9f77b5599b482f83c71f9a51f9656f4e18425

          SHA256

          c3325f5f991dceb1864c6cd22cfec2b743408968c27888f866369fb11483f90e

          SHA512

          ac29e89443680476a5736059cc6fcc786bbf66f658a5faca79abeb38986bd099e2074a308534ee42ac3d9a5c409959599ecfa62998dbf4bbf504465646c2de21

        • memory/2016-18-0x0000000000400000-0x0000000000422000-memory.dmp

          Filesize

          136KB

        • memory/2500-0-0x0000000000400000-0x0000000000422000-memory.dmp

          Filesize

          136KB

        • memory/2500-16-0x0000000000400000-0x0000000000422000-memory.dmp

          Filesize

          136KB