Analysis

  • max time kernel
    188s
  • max time network
    198s
  • platform
    windows10_x64
  • resource
    win10-en-20211208
  • submitted
    26-01-2022 12:17

General

  • Target

    4tWrWVF8FkB9IrJ.exe

  • Size

    414KB

  • MD5

    edcc11c57c2fb4d186e43c373e26767e

  • SHA1

    9213cc1be29f552bb97312cba2d7976a682c77bb

  • SHA256

    72417f2e53964171cecc3819ad3033955ef54b7eb0d7cb542fe089d4f19c5f5d

  • SHA512

    efafe40f26016e6e7853b94f43431b29ce75cf14c92feba4f15cadcd9fd18080d0b770e0dbbff992616d0842c6d5d6c661151cc6776fae3cb6d2d49cb6e6476e

Malware Config

Extracted

Family

xloader

Version

2.5

Campaign

cbgo

Decoy

tablescaperendezvous4two.net

abktransportllc.net

roseevision.com

skategrindingwheels.com

robux-generator-free.xyz

yacusi.com

mgav35.xyz

paravocecommerce.com

venkatramanrm.com

freakyhamster.com

jenaashoponline.com

dmozlisting.com

lorrainekclark.store

handyman-prime.com

thecrashingbrains.com

ukpms.com

livingstonemines.com

papeisonline.com

chrisbakerpr.com

omnipets.store

Signatures

  • Xloader

    Xloader is a rebranded version of Formbook malware.

  • suricata: ET MALWARE FormBook CnC Checkin (GET)

    suricata: ET MALWARE FormBook CnC Checkin (GET)

  • Xloader Payload 3 IoCs
  • Suspicious use of SetThreadContext 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 48 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of WriteProcessMemory
    PID:3004
    • C:\Users\Admin\AppData\Local\Temp\4tWrWVF8FkB9IrJ.exe
      "C:\Users\Admin\AppData\Local\Temp\4tWrWVF8FkB9IrJ.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:3764
      • C:\Users\Admin\AppData\Local\Temp\4tWrWVF8FkB9IrJ.exe
        "C:\Users\Admin\AppData\Local\Temp\4tWrWVF8FkB9IrJ.exe"
        3⤵
          PID:2828
        • C:\Users\Admin\AppData\Local\Temp\4tWrWVF8FkB9IrJ.exe
          "C:\Users\Admin\AppData\Local\Temp\4tWrWVF8FkB9IrJ.exe"
          3⤵
          • Suspicious use of SetThreadContext
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious behavior: MapViewOfSection
          • Suspicious use of AdjustPrivilegeToken
          PID:3512
      • 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:2836
        • C:\Windows\SysWOW64\cmd.exe
          /c del "C:\Users\Admin\AppData\Local\Temp\4tWrWVF8FkB9IrJ.exe"
          3⤵
            PID:3972

      Network

      MITRE ATT&CK Matrix

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/2836-135-0x00000000043F0000-0x0000000004580000-memory.dmp
        Filesize

        1.6MB

      • memory/2836-134-0x0000000002EC0000-0x0000000002EE9000-memory.dmp
        Filesize

        164KB

      • memory/2836-133-0x0000000004580000-0x00000000048A0000-memory.dmp
        Filesize

        3.1MB

      • memory/2836-132-0x00000000000B0000-0x0000000000223000-memory.dmp
        Filesize

        1.4MB

      • memory/3004-136-0x00000000028C0000-0x000000000297B000-memory.dmp
        Filesize

        748KB

      • memory/3004-131-0x0000000006A50000-0x0000000006B9E000-memory.dmp
        Filesize

        1.3MB

      • memory/3512-127-0x0000000000400000-0x0000000000429000-memory.dmp
        Filesize

        164KB

      • memory/3512-130-0x0000000000A80000-0x0000000000C13000-memory.dmp
        Filesize

        1.6MB

      • memory/3512-129-0x0000000000EF0000-0x0000000001210000-memory.dmp
        Filesize

        3.1MB

      • memory/3764-122-0x0000000005290000-0x000000000529A000-memory.dmp
        Filesize

        40KB

      • memory/3764-126-0x0000000006260000-0x00000000062BE000-memory.dmp
        Filesize

        376KB

      • memory/3764-125-0x000000007EF10000-0x000000007EF11000-memory.dmp
        Filesize

        4KB

      • memory/3764-124-0x0000000005DA0000-0x0000000005DAE000-memory.dmp
        Filesize

        56KB

      • memory/3764-123-0x0000000005E30000-0x0000000005ECC000-memory.dmp
        Filesize

        624KB

      • memory/3764-118-0x0000000000A00000-0x0000000000A6E000-memory.dmp
        Filesize

        440KB

      • memory/3764-121-0x0000000005330000-0x000000000582E000-memory.dmp
        Filesize

        5.0MB

      • memory/3764-120-0x0000000005330000-0x00000000053C2000-memory.dmp
        Filesize

        584KB

      • memory/3764-119-0x0000000005830000-0x0000000005D2E000-memory.dmp
        Filesize

        5.0MB