Analysis

  • max time kernel
    147s
  • max time network
    149s
  • platform
    windows10_x64
  • resource
    win10-en-20211014
  • submitted
    01-11-2021 13:00

General

  • Target

    vbc.exe

  • Size

    540KB

  • MD5

    c0225f76705c05744918c724e3018649

  • SHA1

    8fb4c2a855204c51c630b69ccfdf10f1135fe01e

  • SHA256

    99889ef9126eddb7fee40e181c9832c734f8cef74736e2c577438300b468751c

  • SHA512

    04b016e7b30c59e316a5b82e42560a82892c52d2fca26e6eacb9fdc2b1254c4b544467a1617989f3166606c8f0d7ebb4e0d85400bab785d29a6cd15e71e5da1c

Score
10/10

Malware Config

Extracted

Family

xloader

Version

2.5

Campaign

mwev

C2

http://www.scion-go-getter.com/mwev/

Decoy

9linefarms.com

meadow-spring.com

texascountrycharts.com

chinatowndeliver.com

grindsword.com

thegurusigavebirthto.com

rip-online.com

lm-safe-keepingtoyof6.xyz

plumbtechconsulting.com

jgoerlach.com

inbloomsolutions.com

foxandmew.com

tikomobile.store

waybunch.com

thepatriottutor.com

qask.top

pharmacylinked.com

ishii-miona.com

sugarandrocks.com

anabolenpower.net

Signatures

  • Xloader

    Xloader is a rebranded version of Formbook malware.

  • Xloader Payload 3 IoCs
  • Uses the VBS compiler for execution 1 TTPs
  • Suspicious use of SetThreadContext 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 50 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 18 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of WriteProcessMemory
    PID:3024
    • C:\Users\Admin\AppData\Local\Temp\vbc.exe
      "C:\Users\Admin\AppData\Local\Temp\vbc.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:3668
      • C:\Users\Admin\AppData\Local\Temp\vbc.exe
        "C:\Users\Admin\AppData\Local\Temp\vbc.exe"
        3⤵
          PID:3696
        • C:\Users\Admin\AppData\Local\Temp\vbc.exe
          "C:\Users\Admin\AppData\Local\Temp\vbc.exe"
          3⤵
            PID:2236
          • C:\Users\Admin\AppData\Local\Temp\vbc.exe
            "C:\Users\Admin\AppData\Local\Temp\vbc.exe"
            3⤵
            • Suspicious use of SetThreadContext
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious behavior: MapViewOfSection
            • Suspicious use of AdjustPrivilegeToken
            PID:3648
        • C:\Windows\SysWOW64\msdt.exe
          "C:\Windows\SysWOW64\msdt.exe"
          2⤵
          • Suspicious use of SetThreadContext
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious behavior: MapViewOfSection
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:3148
          • C:\Windows\SysWOW64\cmd.exe
            /c del "C:\Users\Admin\AppData\Local\Temp\vbc.exe"
            3⤵
              PID:1168

        Network

        MITRE ATT&CK Matrix ATT&CK v6

        Execution

        Scripting

        1
        T1064

        Defense Evasion

        Scripting

        1
        T1064

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/1168-134-0x0000000000000000-mapping.dmp
        • memory/3024-129-0x0000000005D00000-0x0000000005E45000-memory.dmp
          Filesize

          1.3MB

        • memory/3024-136-0x0000000002450000-0x0000000002538000-memory.dmp
          Filesize

          928KB

        • memory/3148-135-0x0000000004BA0000-0x0000000004C30000-memory.dmp
          Filesize

          576KB

        • memory/3148-133-0x0000000004CB0000-0x0000000004FD0000-memory.dmp
          Filesize

          3.1MB

        • memory/3148-131-0x00000000013A0000-0x0000000001513000-memory.dmp
          Filesize

          1.4MB

        • memory/3148-132-0x0000000000950000-0x0000000000979000-memory.dmp
          Filesize

          164KB

        • memory/3148-130-0x0000000000000000-mapping.dmp
        • memory/3648-127-0x0000000001370000-0x0000000001690000-memory.dmp
          Filesize

          3.1MB

        • memory/3648-125-0x000000000041D480-mapping.dmp
        • memory/3648-128-0x0000000001230000-0x0000000001241000-memory.dmp
          Filesize

          68KB

        • memory/3648-124-0x0000000000400000-0x0000000000429000-memory.dmp
          Filesize

          164KB

        • memory/3668-115-0x00000000004C0000-0x00000000004C1000-memory.dmp
          Filesize

          4KB

        • memory/3668-123-0x0000000008600000-0x000000000864C000-memory.dmp
          Filesize

          304KB

        • memory/3668-122-0x0000000008650000-0x0000000008651000-memory.dmp
          Filesize

          4KB

        • memory/3668-121-0x0000000005230000-0x0000000005237000-memory.dmp
          Filesize

          28KB

        • memory/3668-120-0x0000000004F10000-0x0000000004F11000-memory.dmp
          Filesize

          4KB

        • memory/3668-119-0x0000000004D90000-0x000000000528E000-memory.dmp
          Filesize

          5.0MB

        • memory/3668-118-0x0000000004D90000-0x0000000004D91000-memory.dmp
          Filesize

          4KB

        • memory/3668-117-0x0000000005290000-0x0000000005291000-memory.dmp
          Filesize

          4KB