Analysis

  • max time kernel
    151s
  • max time network
    145s
  • platform
    windows7_x64
  • resource
    win7-en-20211104
  • submitted
    08-11-2021 07:08

General

  • Target

    Enquiry Reference Number 0025559278.exe

  • Size

    744KB

  • MD5

    cd9435966d20de265bc5f6f40daff4a3

  • SHA1

    76cb2ab21a6009275ba3dcbe256a15a211833f35

  • SHA256

    45790f1cc3cb37ecfe541981ddf9d25684d92576cceb6bdb809f345014de84f0

  • SHA512

    95b3749be5950d52c3124df37971a0d03f3c7dd10168df13d9d2a2e523f6c435e51866207d9263f12164d86ab9e310ad098175ef59b9f1d83c678197cb44d528

Malware Config

Extracted

Family

xloader

Version

2.5

Campaign

u0n0

C2

http://www.52xjg3.xyz/u0n0/

Decoy

learnwithvr.net

minismi2.com

slimfitbottle.com

gzartisan.com

fullfamilyclub.com

adaptationstudios.com

domynt.com

aboydnfuid.com

dirtroaddesigns.net

timhortons-ca.xyz

gladiator-111.com

breakingza.com

njjbds.com

keithrgordon.com

litestore365.host

unichromegame.com

wundversorgung-tirol.com

wholistic-choice.com

shingletownrrn.com

kapikenya.com

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
  • Deletes itself 1 IoCs
  • Suspicious use of SetThreadContext 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 24 IoCs
  • Suspicious behavior: MapViewOfSection 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SendNotifyMessage 2 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:1412
    • C:\Users\Admin\AppData\Local\Temp\Enquiry Reference Number 0025559278.exe
      "C:\Users\Admin\AppData\Local\Temp\Enquiry Reference Number 0025559278.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious use of WriteProcessMemory
      PID:1472
      • C:\Users\Admin\AppData\Local\Temp\Enquiry Reference Number 0025559278.exe
        "C:\Users\Admin\AppData\Local\Temp\Enquiry Reference Number 0025559278.exe"
        3⤵
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of AdjustPrivilegeToken
        PID:552
    • C:\Windows\SysWOW64\netsh.exe
      "C:\Windows\SysWOW64\netsh.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1088
      • C:\Windows\SysWOW64\cmd.exe
        /c del "C:\Users\Admin\AppData\Local\Temp\Enquiry Reference Number 0025559278.exe"
        3⤵
        • Deletes itself
        PID:988

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • memory/552-63-0x0000000000400000-0x0000000000429000-memory.dmp
    Filesize

    164KB

  • memory/552-67-0x0000000000320000-0x0000000000331000-memory.dmp
    Filesize

    68KB

  • memory/552-65-0x00000000008B0000-0x0000000000BB3000-memory.dmp
    Filesize

    3.0MB

  • memory/552-64-0x000000000041D440-mapping.dmp
  • memory/552-61-0x0000000000400000-0x0000000000429000-memory.dmp
    Filesize

    164KB

  • memory/552-62-0x0000000000400000-0x0000000000429000-memory.dmp
    Filesize

    164KB

  • memory/988-70-0x0000000000000000-mapping.dmp
  • memory/1088-69-0x0000000000000000-mapping.dmp
  • memory/1088-71-0x00000000012D0000-0x00000000012EB000-memory.dmp
    Filesize

    108KB

  • memory/1088-72-0x0000000000080000-0x00000000000A9000-memory.dmp
    Filesize

    164KB

  • memory/1088-73-0x0000000000BD0000-0x0000000000ED3000-memory.dmp
    Filesize

    3.0MB

  • memory/1088-74-0x0000000000990000-0x0000000000A20000-memory.dmp
    Filesize

    576KB

  • memory/1412-68-0x0000000004EE0000-0x0000000004FDE000-memory.dmp
    Filesize

    1016KB

  • memory/1412-75-0x0000000005160000-0x00000000052C5000-memory.dmp
    Filesize

    1.4MB

  • memory/1472-60-0x00000000051D0000-0x0000000005216000-memory.dmp
    Filesize

    280KB

  • memory/1472-59-0x0000000000440000-0x0000000000447000-memory.dmp
    Filesize

    28KB

  • memory/1472-58-0x0000000005090000-0x0000000005091000-memory.dmp
    Filesize

    4KB

  • memory/1472-55-0x0000000001290000-0x0000000001291000-memory.dmp
    Filesize

    4KB

  • memory/1472-57-0x0000000075C51000-0x0000000075C53000-memory.dmp
    Filesize

    8KB