Analysis

  • max time kernel
    148s
  • max time network
    183s
  • platform
    windows7_x64
  • resource
    win7v20210408
  • submitted
    14-10-2021 08:19

General

  • Target

    New Order 09980.exe

  • Size

    451KB

  • MD5

    6387893aceaabeda2d1ab2eb5d902057

  • SHA1

    1f8e30bf14f877fd200673e01cf53c45bb811fba

  • SHA256

    05492398a92bdb980442a4893b4db7f34e440ba791653c1bd232a7d8a6577372

  • SHA512

    bbfa58964f56e52e8edcfcc830c14da96d9532cac670f57d75d1d9699ac2bacc82be2d74571bc574546d522ea88479b9d6b7113e6cfe1a2f32b6681a4ba51bd7

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.

  • suricata: ET MALWARE FormBook CnC Checkin (GET)

    suricata: ET MALWARE FormBook CnC Checkin (GET)

  • Formbook Payload 3 IoCs
  • Deletes itself 1 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.

  • Suspicious behavior: EnumeratesProcesses 31 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 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 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:1204
    • C:\Users\Admin\AppData\Local\Temp\New Order 09980.exe
      "C:\Users\Admin\AppData\Local\Temp\New Order 09980.exe"
      2⤵
      • Loads dropped DLL
      • Suspicious use of SetThreadContext
      • Suspicious use of WriteProcessMemory
      PID:520
      • C:\Users\Admin\AppData\Local\Temp\New Order 09980.exe
        "C:\Users\Admin\AppData\Local\Temp\New Order 09980.exe"
        3⤵
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of AdjustPrivilegeToken
        PID:1356
    • C:\Windows\SysWOW64\autoconv.exe
      "C:\Windows\SysWOW64\autoconv.exe"
      2⤵
        PID:1456
      • C:\Windows\SysWOW64\autoconv.exe
        "C:\Windows\SysWOW64\autoconv.exe"
        2⤵
          PID:280
        • C:\Windows\SysWOW64\wlanext.exe
          "C:\Windows\SysWOW64\wlanext.exe"
          2⤵
          • Suspicious use of SetThreadContext
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious behavior: MapViewOfSection
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:600
          • C:\Windows\SysWOW64\cmd.exe
            /c del "C:\Users\Admin\AppData\Local\Temp\New Order 09980.exe"
            3⤵
            • Deletes itself
            PID:564

      Network

      MITRE ATT&CK Matrix ATT&CK v6

      Discovery

      System Information Discovery

      1
      T1082

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • \Users\Admin\AppData\Local\Temp\nss4589.tmp\tlaw.dll
        MD5

        36ba5b2aa56fc49145add74cfa5cd714

        SHA1

        a68e60056319f297f3f061de77ad2eb7dcd5f000

        SHA256

        3aa1750df524835a9b19676f058616a9a8ba2093e3ccbae1d4b34ceb484600be

        SHA512

        1794e472a6a3220a1bef978e871233da58e718cf1fecc2be82391ce8abec73d3eaf1d730fd9013f32f642f204b0139190a59abbf9e50d55e7b9dbccbf31f7d67

      • memory/520-59-0x0000000075891000-0x0000000075893000-memory.dmp
        Filesize

        8KB

      • memory/564-70-0x0000000000000000-mapping.dmp
      • memory/600-68-0x0000000000A90000-0x0000000000AA6000-memory.dmp
        Filesize

        88KB

      • memory/600-72-0x0000000000890000-0x0000000000924000-memory.dmp
        Filesize

        592KB

      • memory/600-71-0x0000000001EB0000-0x00000000021B3000-memory.dmp
        Filesize

        3.0MB

      • memory/600-69-0x0000000000080000-0x00000000000AF000-memory.dmp
        Filesize

        188KB

      • memory/600-67-0x0000000000000000-mapping.dmp
      • memory/1204-66-0x0000000004C90000-0x0000000004DB7000-memory.dmp
        Filesize

        1.2MB

      • memory/1204-73-0x0000000006F60000-0x00000000070BF000-memory.dmp
        Filesize

        1.4MB

      • memory/1356-65-0x00000000002C0000-0x00000000002D5000-memory.dmp
        Filesize

        84KB

      • memory/1356-64-0x0000000000930000-0x0000000000C33000-memory.dmp
        Filesize

        3.0MB

      • memory/1356-62-0x000000000041F200-mapping.dmp
      • memory/1356-61-0x0000000000400000-0x000000000042F000-memory.dmp
        Filesize

        188KB