Analysis

  • max time kernel
    148s
  • max time network
    142s
  • platform
    windows10_x64
  • resource
    win10-en-20210920
  • submitted
    25-10-2021 06:27

General

  • Target

    ödeme transferi SWIFT pdf.exe

  • Size

    686KB

  • MD5

    6705d0037b7edcafa83ccc9b97c948fb

  • SHA1

    ccc462de0bbebd4dc4f9912bccbc1565482e336b

  • SHA256

    c6dae6493723d83bbbad1d1c66384aea85bc0664ca2bb6f796a6ce02b7a85a33

  • SHA512

    7f13dfc92ee87f9f2c18e9fc0450d5da0111e9091f91ed98bbe1dd0eb190918c8d9577f9f25c7834d46c95ed56f5d3c0a2bb3247209891505dc728a8129cdf11

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 3 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 54 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 8 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2972
    • C:\Users\Admin\AppData\Local\Temp\ödeme transferi SWIFT pdf.exe
      "C:\Users\Admin\AppData\Local\Temp\ödeme transferi SWIFT pdf.exe"
      2⤵
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:2752
      • C:\Windows\SysWOW64\mobsync.exe
        C:\Windows\System32\mobsync.exe
        3⤵
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of AdjustPrivilegeToken
        PID:1960
    • C:\Windows\SysWOW64\control.exe
      "C:\Windows\SysWOW64\control.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:3760
      • C:\Windows\SysWOW64\cmd.exe
        /c del "C:\Windows\SysWOW64\mobsync.exe"
        3⤵
          PID:772

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Persistence

    Registry Run Keys / Startup Folder

    1
    T1060

    Defense Evasion

    Modify Registry

    1
    T1112

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/772-128-0x0000000000000000-mapping.dmp
    • memory/1960-117-0x0000000000000000-mapping.dmp
    • memory/1960-118-0x0000000000E30000-0x0000000000E31000-memory.dmp
      Filesize

      4KB

    • memory/1960-119-0x0000000073980000-0x00000000739AE000-memory.dmp
      Filesize

      184KB

    • memory/1960-122-0x00000000034F0000-0x0000000003504000-memory.dmp
      Filesize

      80KB

    • memory/1960-121-0x0000000004F70000-0x0000000005290000-memory.dmp
      Filesize

      3.1MB

    • memory/2752-116-0x0000000002771000-0x0000000002785000-memory.dmp
      Filesize

      80KB

    • memory/2752-115-0x0000000000550000-0x000000000069A000-memory.dmp
      Filesize

      1.3MB

    • memory/2972-123-0x0000000006B30000-0x0000000006C63000-memory.dmp
      Filesize

      1.2MB

    • memory/2972-130-0x00000000030E0000-0x0000000003199000-memory.dmp
      Filesize

      740KB

    • memory/3760-126-0x0000000002C20000-0x0000000002C4E000-memory.dmp
      Filesize

      184KB

    • memory/3760-125-0x0000000000150000-0x0000000000170000-memory.dmp
      Filesize

      128KB

    • memory/3760-127-0x0000000004620000-0x0000000004940000-memory.dmp
      Filesize

      3.1MB

    • memory/3760-124-0x0000000000000000-mapping.dmp
    • memory/3760-129-0x0000000004380000-0x0000000004413000-memory.dmp
      Filesize

      588KB