Analysis

  • max time kernel
    148s
  • max time network
    134s
  • platform
    windows7_x64
  • resource
    win7-en-20210916
  • submitted
    20-09-2021 11:17

General

  • Target

    pedido de muestras de productos pdf.exe

  • Size

    699KB

  • MD5

    cc5c2b3057f88a883d66e4eafbd490fb

  • SHA1

    2bc47a06e4a11179b849c691855e92f198c1bbaf

  • SHA256

    9372a7e70b9dfa9ada0e0a5b976c3e2e370700b512bb6d6989ddd64a638de899

  • SHA512

    04889791ccc4545d3d0069548113f40adb18a6de827a7889ed3beadd68c86c0e639ce5079a45f373a0fe7c0f288698297d957cc1c0f3ce14222f40c49ec65b6b

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

n7ak

C2

http://www.kmresults.com/n7ak/

Decoy

modischoolcbse.com

theneverwinter.com

rszkjx-vps-hosting.website

fnihil.com

1pbet.com

nnowzscorrez.com

uaotgvjl.icu

starmapsqatar.com

ekisilani.com

extradeepsheets.com

jam-nins.com

buranly.com

orixentertainment.com

rawtech.energy

myol.guru

utex.club

jiapie.com

wowig.store

wweidlyyl.com

systaskautomation.com

Signatures

  • Formbook

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

  • suricata: ET MALWARE FormBook CnC Checkin (GET)

    suricata: ET MALWARE FormBook CnC Checkin (GET)

  • Formbook Payload 2 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 28 IoCs
  • Suspicious behavior: MapViewOfSection 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of FindShellTrayWindow 4 IoCs
  • Suspicious use of SendNotifyMessage 4 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:1272
    • C:\Users\Admin\AppData\Local\Temp\pedido de muestras de productos pdf.exe
      "C:\Users\Admin\AppData\Local\Temp\pedido de muestras de productos pdf.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2012
      • C:\Windows\SysWOW64\logagent.exe
        C:\Windows\System32\logagent.exe
        3⤵
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of AdjustPrivilegeToken
        PID:1968
    • C:\Windows\SysWOW64\help.exe
      "C:\Windows\SysWOW64\help.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1268
      • C:\Windows\SysWOW64\cmd.exe
        /c del "C:\Windows\SysWOW64\logagent.exe"
        3⤵
          PID:1160

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1160-66-0x0000000000000000-mapping.dmp
    • memory/1268-63-0x0000000000000000-mapping.dmp
    • memory/1268-68-0x00000000004E0000-0x0000000000573000-memory.dmp
      Filesize

      588KB

    • memory/1268-67-0x00000000006D0000-0x00000000009D3000-memory.dmp
      Filesize

      3.0MB

    • memory/1268-65-0x00000000000C0000-0x00000000000EE000-memory.dmp
      Filesize

      184KB

    • memory/1268-64-0x0000000000D90000-0x0000000000D96000-memory.dmp
      Filesize

      24KB

    • memory/1272-62-0x0000000003B40000-0x0000000003BF9000-memory.dmp
      Filesize

      740KB

    • memory/1272-69-0x0000000006EC0000-0x000000000703A000-memory.dmp
      Filesize

      1.5MB

    • memory/1968-61-0x00000000002C0000-0x00000000002D4000-memory.dmp
      Filesize

      80KB

    • memory/1968-60-0x0000000000090000-0x0000000000091000-memory.dmp
      Filesize

      4KB

    • memory/1968-59-0x0000000010410000-0x000000001043E000-memory.dmp
      Filesize

      184KB

    • memory/1968-58-0x0000000002860000-0x0000000002B63000-memory.dmp
      Filesize

      3.0MB

    • memory/1968-57-0x00000000000B0000-0x00000000000B1000-memory.dmp
      Filesize

      4KB

    • memory/1968-56-0x0000000000000000-mapping.dmp
    • memory/2012-53-0x0000000075F31000-0x0000000075F33000-memory.dmp
      Filesize

      8KB

    • memory/2012-54-0x0000000000240000-0x0000000000241000-memory.dmp
      Filesize

      4KB