Analysis

  • max time kernel
    150s
  • max time network
    149s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    19/01/2023, 07:32

General

  • Target

    7d850c7483817ae91c6b6dde59c22141b754d04ec2e0985ffcd85b08f2e9ae58.exe

  • Size

    243KB

  • MD5

    79f342dceff76485db960d4e9de522f2

  • SHA1

    e54b0ca25b62d3f377b68d3037ff4d78350a627b

  • SHA256

    7d850c7483817ae91c6b6dde59c22141b754d04ec2e0985ffcd85b08f2e9ae58

  • SHA512

    548ab3961741ffec55a593b26bbc383e7afbae20509f475e46ecf3470334d6c125d6fc0e6ef5fd4f85eccd2492db8320628228e5c1bc5dd89ed5822bb958c1a5

  • SSDEEP

    6144:cFgRqbsZzgQvSwEMFusUCj2eY7UBytn4/oOshpgfMc:qsZz+lMksdG7UBa4/o3kMc

Malware Config

Extracted

Family

xloader

Version

2.6

Campaign

zgtb

Decoy

gabriellep.com

honghe4.xyz

anisaofrendas.com

happy-tile.com

thesulkies.com

international-ipo.com

tazeco.info

hhhzzz.xyz

vrmonster.xyz

theearthresidencia.com

sportape.xyz

elshadaibaterias.com

koredeiihibi.com

taxtaa.com

globalcityb.com

fxivcama.com

dagsmith.com

elmar-bhp.com

peakice.net

jhcdjewelry.com

Signatures

  • Formbook

    Formbook is a data stealing malware which is capable of stealing data.

  • Xloader

    Xloader is a rebranded version of Formbook malware.

  • Xloader payload 5 IoCs
  • Adds policy Run key to start application 2 TTPs 2 IoCs
  • Blocklisted process makes network request 2 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Suspicious use of SetThreadContext 3 IoCs
  • Drops file in Program Files directory 1 IoCs
  • Modifies Internet Explorer settings 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 27 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 7 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SendNotifyMessage 2 IoCs
  • Suspicious use of WriteProcessMemory 23 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:1220
    • C:\Users\Admin\AppData\Local\Temp\7d850c7483817ae91c6b6dde59c22141b754d04ec2e0985ffcd85b08f2e9ae58.exe
      "C:\Users\Admin\AppData\Local\Temp\7d850c7483817ae91c6b6dde59c22141b754d04ec2e0985ffcd85b08f2e9ae58.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious use of WriteProcessMemory
      PID:1736
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe"
        3⤵
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of AdjustPrivilegeToken
        PID:944
    • C:\Windows\SysWOW64\cmstp.exe
      "C:\Windows\SysWOW64\cmstp.exe"
      2⤵
      • Adds policy Run key to start application
      • Blocklisted process makes network request
      • Suspicious use of SetThreadContext
      • Drops file in Program Files directory
      • Modifies Internet Explorer settings
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      • System policy modification
      PID:692
      • C:\Windows\SysWOW64\cmd.exe
        /c del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe"
        3⤵
          PID:1864
        • C:\Program Files\Mozilla Firefox\Firefox.exe
          "C:\Program Files\Mozilla Firefox\Firefox.exe"
          3⤵
            PID:1676

      Network

            MITRE ATT&CK Enterprise v6

            Replay Monitor

            Loading Replay Monitor...

            Downloads

            • memory/692-74-0x0000000000A30000-0x0000000000AC0000-memory.dmp

              Filesize

              576KB

            • memory/692-69-0x00000000767C1000-0x00000000767C3000-memory.dmp

              Filesize

              8KB

            • memory/692-76-0x0000000000090000-0x00000000000BB000-memory.dmp

              Filesize

              172KB

            • memory/692-73-0x0000000000B30000-0x0000000000E33000-memory.dmp

              Filesize

              3.0MB

            • memory/692-71-0x0000000000090000-0x00000000000BB000-memory.dmp

              Filesize

              172KB

            • memory/692-70-0x0000000000E90000-0x0000000000EA8000-memory.dmp

              Filesize

              96KB

            • memory/944-61-0x0000000000400000-0x000000000042B000-memory.dmp

              Filesize

              172KB

            • memory/944-65-0x0000000000770000-0x0000000000A73000-memory.dmp

              Filesize

              3.0MB

            • memory/944-66-0x00000000003C0000-0x00000000003D1000-memory.dmp

              Filesize

              68KB

            • memory/944-59-0x0000000000400000-0x000000000042B000-memory.dmp

              Filesize

              172KB

            • memory/944-58-0x0000000000400000-0x000000000042B000-memory.dmp

              Filesize

              172KB

            • memory/944-64-0x0000000000400000-0x000000000042B000-memory.dmp

              Filesize

              172KB

            • memory/1220-75-0x0000000004B00000-0x0000000004BAF000-memory.dmp

              Filesize

              700KB

            • memory/1220-79-0x000007FF32680000-0x000007FF3268A000-memory.dmp

              Filesize

              40KB

            • memory/1220-78-0x000007FEF65C0000-0x000007FEF6703000-memory.dmp

              Filesize

              1.3MB

            • memory/1220-67-0x00000000048C0000-0x000000000497D000-memory.dmp

              Filesize

              756KB

            • memory/1220-77-0x0000000004B00000-0x0000000004BAF000-memory.dmp

              Filesize

              700KB

            • memory/1736-56-0x0000000000460000-0x000000000046E000-memory.dmp

              Filesize

              56KB

            • memory/1736-54-0x0000000000F40000-0x0000000000F80000-memory.dmp

              Filesize

              256KB

            • memory/1736-57-0x00000000005D0000-0x00000000005D8000-memory.dmp

              Filesize

              32KB

            • memory/1736-55-0x0000000000AC0000-0x0000000000AFC000-memory.dmp

              Filesize

              240KB