Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231222-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26/12/2023, 03:46

General

  • Target

    518d0a0ea961119a9403ee30137e599e.exe

  • Size

    24KB

  • MD5

    518d0a0ea961119a9403ee30137e599e

  • SHA1

    f0f21dbe6353787cffe6964e9c44b3175a5fa8c0

  • SHA256

    67d18efa7038e9e651fc5c7a9caf87df2275562a7c6d431dc12e42fbb596cccc

  • SHA512

    9817289926ee983627d4c8f45f22ea6abea41bd19afe2d05bbac3637bc849ce7ab01347d7d2f68a798c4c22d6ccaf5b7f2d96ca5316ae081c3862b49f6e3e700

  • SSDEEP

    384:E3eVES+/xwGkRKJilM61qmTTMVF9/q5+gg0:bGS+ZfbJiO8qYoA+m

Score
6/10

Malware Config

Signatures

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Drops file in Program Files directory 1 IoCs
  • Enumerates processes with tasklist 1 TTPs 1 IoCs
  • Gathers network information 2 TTPs 2 IoCs

    Uses commandline utility to view network configuration.

  • Runs net.exe
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\518d0a0ea961119a9403ee30137e599e.exe
    "C:\Users\Admin\AppData\Local\Temp\518d0a0ea961119a9403ee30137e599e.exe"
    1⤵
    • Adds Run key to start application
    • Drops file in Program Files directory
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4692
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c ver >c:\windows\temp\flash.log & cmd /c set >>c:\windows\temp\flash.log & ipconfig /all >>c:\windows\temp\flash.log & tasklist >>c:\windows\temp\flash.log & net start>>c:\windows\temp\flash.log & netstat -an >>c:\windows\temp\flash.log
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2484
  • C:\Windows\SysWOW64\cmd.exe
    cmd /c set
    1⤵
      PID:4272
    • C:\Windows\SysWOW64\ipconfig.exe
      ipconfig /all
      1⤵
      • Gathers network information
      PID:2168
    • C:\Windows\SysWOW64\tasklist.exe
      tasklist
      1⤵
      • Enumerates processes with tasklist
      • Suspicious use of AdjustPrivilegeToken
      PID:2440
    • C:\Windows\SysWOW64\net.exe
      net start
      1⤵
      • Suspicious use of WriteProcessMemory
      PID:3412
      • C:\Windows\SysWOW64\net1.exe
        C:\Windows\system32\net1 start
        2⤵
          PID:3480
      • C:\Windows\SysWOW64\NETSTAT.EXE
        netstat -an
        1⤵
        • Gathers network information
        • Suspicious use of AdjustPrivilegeToken
        PID:4704

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

      • \??\c:\windows\temp\flash.log

        Filesize

        15KB

        MD5

        8c8e31c9d449ef275553d12cfc38b95e

        SHA1

        3f11223419f55dc3b17633475fed4d1c5a0a6b64

        SHA256

        5c0ecae12a269e04e13d4de27e04762f5b53b6274ceaf11e7ef006825b3e38be

        SHA512

        6d3b10e9698e99dfc76042eaec489579c309b95e988407f4f0b6540b83ff51268e3cec6f34d4f70b2e51dd3fccc1559b3772c6a6bf2ba1a677371825cb5a3819