Analysis

  • max time kernel
    148s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-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
  • 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 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4126ef4945c09f2089a5eaba00d1373016726d5b8f2a53a56b4aec4a95fb7251.exe
    "C:\Users\Admin\AppData\Local\Temp\4126ef4945c09f2089a5eaba00d1373016726d5b8f2a53a56b4aec4a95fb7251.exe"
    1⤵
    • Drops file in System32 directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1920
    • C:\Windows\SysWOW64\sc.exe
      C:\Windows\system32\sc.exe stop wscsvc
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:2236
    • 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:3104
      • C:\Windows\SysWOW64\sc.exe
        C:\Windows\system32\sc.exe stop wscsvc
        3⤵
        • Launches sc.exe
        • System Location Discovery: System Language Discovery
        PID:4588

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\Windows\SysWOW64\1230\smss.exe

          Filesize

          38KB

          MD5

          b3d3815eab1a084ba566c1ccc74a72de

          SHA1

          6bc0725cc2353ad97417b026362f3a24e5fb745f

          SHA256

          3cb3bf7a6184d3f0038cef5cdedd26c990b06763c49c1196b018b2195fcad84c

          SHA512

          71406398db01c01ee276be096c22be38af3ac810d1ea06a9ed099be82cbc537c1f6264a273c583541609d5917b0d72df262bcdac18c7df56e05d249ec1b26b2c

        • memory/1920-0-0x0000000000400000-0x0000000000422000-memory.dmp

          Filesize

          136KB

        • memory/1920-11-0x0000000000400000-0x0000000000422000-memory.dmp

          Filesize

          136KB

        • memory/3104-13-0x0000000000400000-0x0000000000422000-memory.dmp

          Filesize

          136KB