Analysis

  • max time kernel
    147s
  • max time network
    135s
  • platform
    windows7_x64
  • resource
    win7-en-20210920
  • submitted
    24-09-2021 12:26

General

  • Target

    Orden de compra.exe

  • Size

    702KB

  • MD5

    ecd71709287a9ff558013bee1575c5bc

  • SHA1

    e81ef75586e2b391ade4cbb62d60aa50cf00c964

  • SHA256

    b6788527f99a436b0e8925eb14c8800ced61fd406edd4182aa00072b3f74f39e

  • SHA512

    3dfddac63d09b61c702d4d7ee615f85a49683b1610eac36625419116381d68f899d652dea942f2d362aae621d9705ec4557827903d0d6d398a056b3754c7019c

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

3nop

C2

http://www.jakesplacebarbers.com/3nop/

Decoy

videohm.com

panache-rose.com

alnooncars-kw.com

trueblue2u.com

brussels-cafe.com

ip2c.net

influenzerr.com

rbcoq.com

zzful.com

drainthe.com

sumaholesson.com

cursosaprovados.com

genotecinc.com

dbrulhart.com

theapiarystudios.com

kensyu-kan.com

dkku88.com

tikhyper.com

aztecnort.com

homebrim.com

Signatures

  • Formbook

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

  • Formbook Payload 3 IoCs
  • Suspicious use of SetThreadContext 3 IoCs
  • Gathers network information 2 TTPs 1 IoCs

    Uses commandline utility to view network configuration.

  • Suspicious behavior: EnumeratesProcesses 27 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 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:1364
    • C:\Users\Admin\AppData\Local\Temp\Orden de compra.exe
      "C:\Users\Admin\AppData\Local\Temp\Orden de compra.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1612
      • C:\Windows\SysWOW64\DpiScaling.exe
        DpiScaling.exe
        3⤵
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of AdjustPrivilegeToken
        PID:596
    • C:\Windows\SysWOW64\ipconfig.exe
      "C:\Windows\SysWOW64\ipconfig.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Gathers network information
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1752
      • C:\Windows\SysWOW64\cmd.exe
        /c del "C:\Windows\SysWOW64\DpiScaling.exe"
        3⤵
          PID:1792

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Execution

    Command-Line Interface

    1
    T1059

    Discovery

    System Information Discovery

    1
    T1082

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/596-64-0x0000000000310000-0x0000000000324000-memory.dmp
      Filesize

      80KB

    • memory/596-59-0x0000000000090000-0x0000000000091000-memory.dmp
      Filesize

      4KB

    • memory/596-57-0x0000000000000000-mapping.dmp
    • memory/596-60-0x0000000010410000-0x000000001043E000-memory.dmp
      Filesize

      184KB

    • memory/596-62-0x0000000000220000-0x0000000000234000-memory.dmp
      Filesize

      80KB

    • memory/596-61-0x0000000001F60000-0x0000000002263000-memory.dmp
      Filesize

      3.0MB

    • memory/1364-65-0x0000000003FB0000-0x00000000040A7000-memory.dmp
      Filesize

      988KB

    • memory/1364-63-0x0000000006FE0000-0x00000000070FD000-memory.dmp
      Filesize

      1.1MB

    • memory/1364-73-0x0000000007C20000-0x0000000007D31000-memory.dmp
      Filesize

      1.1MB

    • memory/1612-54-0x0000000000320000-0x0000000000321000-memory.dmp
      Filesize

      4KB

    • memory/1612-55-0x0000000076B61000-0x0000000076B63000-memory.dmp
      Filesize

      8KB

    • memory/1752-66-0x0000000000000000-mapping.dmp
    • memory/1752-68-0x0000000000140000-0x000000000014A000-memory.dmp
      Filesize

      40KB

    • memory/1752-69-0x0000000001F00000-0x0000000002203000-memory.dmp
      Filesize

      3.0MB

    • memory/1752-70-0x00000000000D0000-0x00000000000FE000-memory.dmp
      Filesize

      184KB

    • memory/1752-72-0x0000000000410000-0x00000000004A3000-memory.dmp
      Filesize

      588KB

    • memory/1792-71-0x0000000000000000-mapping.dmp