Analysis

  • max time kernel
    150s
  • max time network
    158s
  • platform
    windows7_x64
  • resource
    win7-en-20210920
  • submitted
    24-09-2021 11:13

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 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 28 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 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 behavior: GetForegroundWindowSpam
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:1388
    • 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:1520
      • C:\Windows\SysWOW64\secinit.exe
        secinit.exe
        3⤵
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of AdjustPrivilegeToken
        PID:708
    • C:\Windows\SysWOW64\NAPSTAT.EXE
      "C:\Windows\SysWOW64\NAPSTAT.EXE"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1728
      • C:\Windows\SysWOW64\cmd.exe
        /c del "C:\Windows\SysWOW64\secinit.exe"
        3⤵
          PID:872

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/708-61-0x0000000000250000-0x0000000000264000-memory.dmp
      Filesize

      80KB

    • memory/708-57-0x0000000000000000-mapping.dmp
    • memory/708-59-0x0000000002080000-0x0000000002383000-memory.dmp
      Filesize

      3.0MB

    • memory/708-58-0x00000000000D0000-0x00000000000D1000-memory.dmp
      Filesize

      4KB

    • memory/708-60-0x0000000010410000-0x000000001043E000-memory.dmp
      Filesize

      184KB

    • memory/872-64-0x0000000000000000-mapping.dmp
    • memory/1388-69-0x0000000006090000-0x000000000614C000-memory.dmp
      Filesize

      752KB

    • memory/1388-62-0x0000000006B80000-0x0000000006D19000-memory.dmp
      Filesize

      1.6MB

    • memory/1520-55-0x0000000075BD1000-0x0000000075BD3000-memory.dmp
      Filesize

      8KB

    • memory/1520-54-0x00000000001B0000-0x00000000001B1000-memory.dmp
      Filesize

      4KB

    • memory/1728-63-0x0000000000000000-mapping.dmp
    • memory/1728-66-0x0000000000080000-0x00000000000AE000-memory.dmp
      Filesize

      184KB

    • memory/1728-67-0x0000000001FD0000-0x00000000022D3000-memory.dmp
      Filesize

      3.0MB

    • memory/1728-68-0x0000000001E10000-0x0000000001EA3000-memory.dmp
      Filesize

      588KB

    • memory/1728-65-0x00000000005F0000-0x0000000000636000-memory.dmp
      Filesize

      280KB