Overview

overview

10

Static

static

invoic.exe

windows7_x64

10

invoic.exe

windows10_x64

10

Analysis

  • max time kernel
    150s
  • max time network
    146s
  • platform
    windows7_x64
  • resource
    win7v20201028
  • submitted
    18/12/2020, 09:48

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General

  • Target
    invoic.exe
  • Size 358KB
  • Sample201218-1e77twjybj
  • SHA256 e59d9d9ca9e0c7dddea9a94f0dab0ae137b6a762999bade26db35b1ca35e1f72
  • MD5 SHA1 SHA512
Score
10/10
formbookratspywarestealertrojan

Malware Config

Extracted

Family

  • formbook

C2

  • http://www.helpmeiminmytwenties.com/oncs/

Decoy

  • premiokapuscinski.com

  • metrteor.com

  • alignablesolutions.com

  • wajevctytwe.com

  • prospervine.net

  • camsplaces.com

  • kart-im.com

  • neothecode.com

  • fishingpeer.com

  • soulcave.xyz

  • bobqp6.com

  • phonpiegift.club

  • veteranmadecontent.com

  • domini-o-pessoal.com

  • featuredtv.com

  • thebugbros.com

  • gamedesignpostmortem.com

  • equineluv.com

  • zhongden.com

  • pbwts.com

Signatures

  • Formbook

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

    trojanspywarestealerformbook
  • Formbook Payload 3 IoCs
    rat
  • Deletes itself 1 IoCs
  • Suspicious use of SetThreadContext 3 IoCs
  • Enumerates system info in registry 2 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 31 IoCs
  • Suspicious behavior: MapViewOfSection 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of FindShellTrayWindow 4 IoCs
  • Suspicious use of SendNotifyMessage 4 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:1260
    • C:\Users\Admin\AppData\Local\Temp\invoic.exe
      "C:\Users\Admin\AppData\Local\Temp\invoic.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of WriteProcessMemory
      PID:1680
      • C:\Users\Admin\AppData\Local\Temp\invoic.exe
        "C:\Users\Admin\AppData\Local\Temp\invoic.exe"
        3⤵
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of AdjustPrivilegeToken
        PID:1252
    • C:\Windows\SysWOW64\chkdsk.exe
      "C:\Windows\SysWOW64\chkdsk.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Enumerates system info in registry
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1240
      • C:\Windows\SysWOW64\cmd.exe
        /c del "C:\Users\Admin\AppData\Local\Temp\invoic.exe"
        3⤵
        • Deletes itself
        PID:272

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        memory/1240-6-0x0000000000C00000-0x0000000000C07000-memory.dmp
        Download

        memory/1240-8-0x0000000000AC0000-0x0000000000BDF000-memory.dmp
        Download

        memory/1252-2-0x0000000000400000-0x000000000042E000-memory.dmp
        Download