Analysis

  • max time kernel
    150s
  • max time network
    155s
  • platform
    windows10_x64
  • resource
    win10-en-20210920
  • submitted
    28-10-2021 17:35

General

  • Target

    Nouvel ordre.exe

  • Size

    448KB

  • MD5

    45fe28753c19fb8e89bee8a4083f6cce

  • SHA1

    2cd59fbbe3d33bfca22ad21f9c5806f5c537ae91

  • SHA256

    d2c0457ad672b76a35778aaa86236bd927455e9801a904151e4dce2df8c915e3

  • SHA512

    377dd76afe22b00ddcac4a4f138cfdcafdaa4171be47726b5bc09d5a1d66b8c8ebaaf495431a016f2366e78610db45e0bb2ae695c6d97b1262216d4341ebcc75

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
  • 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 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:3040
    • C:\Users\Admin\AppData\Local\Temp\Nouvel ordre.exe
      "C:\Users\Admin\AppData\Local\Temp\Nouvel ordre.exe"
      2⤵
      • Loads dropped DLL
      • Suspicious use of SetThreadContext
      • Suspicious use of WriteProcessMemory
      PID:1664
      • C:\Users\Admin\AppData\Local\Temp\Nouvel ordre.exe
        "C:\Users\Admin\AppData\Local\Temp\Nouvel ordre.exe"
        3⤵
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of AdjustPrivilegeToken
        PID:920
    • C:\Windows\SysWOW64\autofmt.exe
      "C:\Windows\SysWOW64\autofmt.exe"
      2⤵
        PID:404
      • C:\Windows\SysWOW64\mstsc.exe
        "C:\Windows\SysWOW64\mstsc.exe"
        2⤵
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:1120
        • C:\Windows\SysWOW64\cmd.exe
          /c del "C:\Users\Admin\AppData\Local\Temp\Nouvel ordre.exe"
          3⤵
            PID:2344

      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\nsiD88F.tmp\tlzworqb.dll
        MD5

        b3d3482fb989ea46986a6ad9579f373d

        SHA1

        7df83056726a8dd6ba0b0e8e2fe17464a9e046a7

        SHA256

        f9509fc351c5123eb11ac0a8fcd9719b782e5ddc5d6ba21c10469b25ce80ef79

        SHA512

        76e473a7c12173939153f343cb05c37d6e8cc39c8b51cfbadf5c04189bfc930d75f1c6042694c5c69d5cfd2d1a900b8825bc1d3854f620d1ade86646ce2ff1b8

      • memory/920-116-0x0000000000400000-0x000000000042F000-memory.dmp
        Filesize

        188KB

      • memory/920-117-0x000000000041F200-mapping.dmp
      • memory/920-120-0x00000000006E0000-0x00000000006F5000-memory.dmp
        Filesize

        84KB

      • memory/920-119-0x0000000000B60000-0x0000000000E80000-memory.dmp
        Filesize

        3.1MB

      • memory/1120-122-0x0000000000000000-mapping.dmp
      • memory/1120-123-0x0000000001250000-0x000000000154C000-memory.dmp
        Filesize

        3.0MB

      • memory/1120-124-0x0000000000DC0000-0x0000000000DEF000-memory.dmp
        Filesize

        188KB

      • memory/1120-126-0x0000000005270000-0x0000000005590000-memory.dmp
        Filesize

        3.1MB

      • memory/1120-127-0x00000000050E0000-0x0000000005174000-memory.dmp
        Filesize

        592KB

      • memory/2344-125-0x0000000000000000-mapping.dmp
      • memory/3040-121-0x0000000004E90000-0x0000000004FB7000-memory.dmp
        Filesize

        1.2MB

      • memory/3040-128-0x0000000002620000-0x00000000026F6000-memory.dmp
        Filesize

        856KB