Analysis

  • max time kernel
    151s
  • max time network
    145s
  • platform
    windows10_x64
  • resource
    win10-en-20210920
  • submitted
    18-10-2021 17:00

General

  • Target

    Specifiche dell'ordine.com.exe

  • Size

    252KB

  • MD5

    58d5b91e06edbf8ace5b5ebe98cdf558

  • SHA1

    39c4c5887e7f0d0165dfa4ab9d1d48583f33b529

  • SHA256

    0cdc382e574649336b29e110c3d121e8158e895b3d2de22ba5db63fa61cf01c8

  • SHA512

    2071222a8bf6c4e969a2c2a2c987b163cbc7bb0380983ced1bcc7e79aa7ae9fc96479a565c479602b70b7530b6008514786fbdce7e202df38415e6a2d3599e7f

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

dn7r

C2

http://www.yourherogarden.net/dn7r/

Decoy

eventphotographerdfw.com

thehalalcoinstaking.com

philipfaziofineart.com

intercoh.com

gaiaseyephotography.com

chatbotforrealestate.com

lovelancemg.com

marlieskasberger.com

elcongoenespanol.info

lepirecredit.com

distribution-concept.com

e99game.com

exit11festival.com

twodollartoothbrushclub.com

cocktailsandlawn.com

performimprove.network

24horas-telefono-11840.com

cosmossify.com

kellenleote.com

perovskite.energy

Signatures

  • Formbook

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

  • Formbook Payload 3 IoCs
  • Loads dropped DLL 1 IoCs
  • Suspicious use of SetThreadContext 3 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Gathers network information 2 TTPs 1 IoCs

    Uses commandline utility to view network configuration.

  • Suspicious behavior: EnumeratesProcesses 60 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of WriteProcessMemory
    PID:2848
    • C:\Users\Admin\AppData\Local\Temp\Specifiche dell'ordine.com.exe
      "C:\Users\Admin\AppData\Local\Temp\Specifiche dell'ordine.com.exe"
      2⤵
      • Loads dropped DLL
      • Suspicious use of SetThreadContext
      • Suspicious use of WriteProcessMemory
      PID:1844
      • C:\Users\Admin\AppData\Local\Temp\Specifiche dell'ordine.com.exe
        "C:\Users\Admin\AppData\Local\Temp\Specifiche dell'ordine.com.exe"
        3⤵
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of AdjustPrivilegeToken
        PID:3852
    • C:\Windows\SysWOW64\NETSTAT.EXE
      "C:\Windows\SysWOW64\NETSTAT.EXE"
      2⤵
      • Suspicious use of SetThreadContext
      • Gathers network information
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2256
      • C:\Windows\SysWOW64\cmd.exe
        /c del "C:\Users\Admin\AppData\Local\Temp\Specifiche dell'ordine.com.exe"
        3⤵
          PID:1764

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Execution

    Command-Line Interface

    1
    T1059

    Discovery

    System Information Discovery

    2
    T1082

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • \Users\Admin\AppData\Local\Temp\nseA72F.tmp\cumngswsx.dll
      MD5

      4057e57c6e1875d064b9121cb8938305

      SHA1

      9236cd3432026b30eb775eb150226f7d011ea972

      SHA256

      535b06a16ef271c819284452045366e46cdbc3c6c8c6ed01b64d46b269e2fff0

      SHA512

      4b1b5689440c4bd29adfe3daaad6ca0febb0a9b963cd19ba99a7323993221e33e5baf469b652bd8ffc9c46eb6a86a1e8c3c1100fb3d4b664b6c43a4e955cdc78

    • memory/1764-125-0x0000000000000000-mapping.dmp
    • memory/2256-122-0x0000000000000000-mapping.dmp
    • memory/2256-124-0x0000000000E50000-0x0000000000E7F000-memory.dmp
      Filesize

      188KB

    • memory/2256-123-0x0000000000F60000-0x0000000000F6B000-memory.dmp
      Filesize

      44KB

    • memory/2256-126-0x0000000003590000-0x00000000038B0000-memory.dmp
      Filesize

      3.1MB

    • memory/2256-127-0x0000000003450000-0x00000000034E4000-memory.dmp
      Filesize

      592KB

    • memory/2848-121-0x0000000005DC0000-0x0000000005F35000-memory.dmp
      Filesize

      1.5MB

    • memory/2848-128-0x0000000004FB0000-0x000000000512C000-memory.dmp
      Filesize

      1.5MB

    • memory/3852-120-0x00000000006D0000-0x00000000006E5000-memory.dmp
      Filesize

      84KB

    • memory/3852-119-0x0000000000B20000-0x0000000000E40000-memory.dmp
      Filesize

      3.1MB

    • memory/3852-117-0x000000000041F200-mapping.dmp
    • memory/3852-116-0x0000000000400000-0x000000000042F000-memory.dmp
      Filesize

      188KB