Analysis

  • max time kernel
    149s
  • max time network
    147s
  • platform
    windows7_x64
  • resource
    win7-en-20210920
  • submitted
    14-10-2021 01:06

General

  • Target

    IMG-pic 0699821.exe

  • Size

    1001KB

  • MD5

    14f80d04ac41196b969f4a6a60016a5a

  • SHA1

    7fbf938dcb3c873b4e6bb0b0ca00cff825c59d65

  • SHA256

    e07717afe65c94d4cae860225c8d6aaa4d3bde732598d34c96f98ff927e1d489

  • SHA512

    d2c757df0c99e93f40f6000cdf64493d62ee41f32471091800616f1aaca1063cc48c1f0d26b6d5ea2a5d44cb636b6e86cf4b1dcfe540242cf8640b17c896642a

Malware Config

Extracted

Family

xloader

Version

2.5

Campaign

epns

C2

http://www.lnvietnam.online/epns/

Decoy

mmfaccao.com

blttsperma.quest

946abe.net

indispensablehands.com

jkformationfrance.com

phonerepaire.com

lienquan-trian.com

youkuti.com

empowermindbodystudios.com

seunicapf.com

fk-link.xyz

kunai.tech

difficultbutdoablebrand.com

ejworkspace.com

teracorp.biz

thekids.today

quintaalentejana.com

annaviruksham.com

jshengrong.com

nsmetalmakina.xyz

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 4 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 4 IoCs
  • Suspicious behavior: EnumeratesProcesses 24 IoCs
  • Suspicious behavior: MapViewOfSection 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 10 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:1244
      • C:\Users\Admin\AppData\Local\Temp\IMG-pic 0699821.exe
        "C:\Users\Admin\AppData\Local\Temp\IMG-pic 0699821.exe"
        2⤵
        • Adds Run key to start application
        • Suspicious use of SetThreadContext
        • Suspicious use of WriteProcessMemory
        PID:1324
        • C:\Users\Admin\AppData\Local\Temp\IMG-pic 0699821.exe
          "C:\Users\Admin\AppData\Local\Temp\IMG-pic 0699821.exe"
          3⤵
          • Suspicious use of SetThreadContext
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious behavior: MapViewOfSection
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:1364
          • C:\Windows\SysWOW64\autochk.exe
            "C:\Windows\SysWOW64\autochk.exe"
            4⤵
              PID:1028
            • C:\Windows\SysWOW64\netsh.exe
              "C:\Windows\SysWOW64\netsh.exe"
              4⤵
              • Suspicious use of SetThreadContext
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious behavior: MapViewOfSection
              • Suspicious use of AdjustPrivilegeToken
              PID:360

      Network

      MITRE ATT&CK Matrix ATT&CK v6

      Persistence

      Registry Run Keys / Startup Folder

      1
      T1060

      Defense Evasion

      Modify Registry

      1
      T1112

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/360-67-0x0000000000000000-mapping.dmp
      • memory/360-71-0x0000000000F40000-0x0000000000FD0000-memory.dmp
        Filesize

        576KB

      • memory/360-70-0x0000000000AD0000-0x0000000000DD3000-memory.dmp
        Filesize

        3.0MB

      • memory/360-69-0x00000000000D0000-0x00000000000F9000-memory.dmp
        Filesize

        164KB

      • memory/360-68-0x0000000001350000-0x000000000136B000-memory.dmp
        Filesize

        108KB

      • memory/1244-63-0x00000000060E0000-0x000000000622F000-memory.dmp
        Filesize

        1.3MB

      • memory/1244-66-0x0000000006360000-0x0000000006499000-memory.dmp
        Filesize

        1.2MB

      • memory/1244-72-0x0000000009020000-0x00000000091A7000-memory.dmp
        Filesize

        1.5MB

      • memory/1324-54-0x0000000075661000-0x0000000075663000-memory.dmp
        Filesize

        8KB

      • memory/1324-56-0x0000000000511000-0x0000000000525000-memory.dmp
        Filesize

        80KB

      • memory/1324-55-0x00000000001B0000-0x00000000001B1000-memory.dmp
        Filesize

        4KB

      • memory/1364-62-0x00000000003D0000-0x00000000003E1000-memory.dmp
        Filesize

        68KB

      • memory/1364-61-0x0000000000770000-0x0000000000A73000-memory.dmp
        Filesize

        3.0MB

      • memory/1364-64-0x0000000000400000-0x0000000000429000-memory.dmp
        Filesize

        164KB

      • memory/1364-65-0x00000000004C0000-0x00000000004D1000-memory.dmp
        Filesize

        68KB

      • memory/1364-59-0x000000000041D410-mapping.dmp
      • memory/1364-58-0x0000000000400000-0x0000000000429000-memory.dmp
        Filesize

        164KB

      • memory/1364-57-0x0000000000400000-0x0000000000429000-memory.dmp
        Filesize

        164KB