Analysis

  • max time kernel
    147s
  • max time network
    123s
  • platform
    windows10_x64
  • resource
    win10-en-20211014
  • submitted
    21-10-2021 16:50

General

  • Target

    Order 0091.com.exe

  • Size

    492KB

  • MD5

    57e95002c65e37c937636d6a802ed998

  • SHA1

    347f51fc921f8a64b3134e2e7c6cb4ae35f991f6

  • SHA256

    9d8faf70b5732a7994ea4a5b49e0ee5ada032b0a03e2048de8ffe6da4e66c412

  • SHA512

    5af180e87a11a92345f85834b39eda2beb2843e7b9144b8f61ca69eb98064525b58a459685f612a312ea10ce09c331b28371607c2e9e602cbc5efab1f331413a

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 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 3 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:3008
    • C:\Users\Admin\AppData\Local\Temp\Order 0091.com.exe
      "C:\Users\Admin\AppData\Local\Temp\Order 0091.com.exe"
      2⤵
      • Loads dropped DLL
      • Suspicious use of SetThreadContext
      • Suspicious use of WriteProcessMemory
      PID:2268
      • C:\Users\Admin\AppData\Local\Temp\Order 0091.com.exe
        "C:\Users\Admin\AppData\Local\Temp\Order 0091.com.exe"
        3⤵
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of AdjustPrivilegeToken
        PID:2736
    • C:\Windows\SysWOW64\svchost.exe
      "C:\Windows\SysWOW64\svchost.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:3512
      • C:\Windows\SysWOW64\cmd.exe
        /c del "C:\Users\Admin\AppData\Local\Temp\Order 0091.com.exe"
        3⤵
          PID:3832

    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\nskD15B.tmp\xjujmofosc.dll
      MD5

      ac0ac6a7d57e4fd3137b57ea17e15178

      SHA1

      36f461a0cbc6a4561b08668c43e461b30dc462b8

      SHA256

      b1d82a6fc8574306088346d467e59094a3ed933de4de3e4f7703664c34a84f82

      SHA512

      31e39ca8118a3161f83c545241be617685992f09353daafbefaa16117b047b2eeb6ef0eb904957d02e93dfbbd46783d7c0d408dad62349f29cff53704e56b280

    • memory/2736-116-0x0000000000400000-0x000000000042F000-memory.dmp
      Filesize

      188KB

    • memory/2736-117-0x000000000041F200-mapping.dmp
    • memory/2736-120-0x00000000009D0000-0x00000000009E5000-memory.dmp
      Filesize

      84KB

    • memory/2736-119-0x0000000000B10000-0x0000000000E30000-memory.dmp
      Filesize

      3.1MB

    • memory/3008-121-0x00000000053E0000-0x0000000005525000-memory.dmp
      Filesize

      1.3MB

    • memory/3512-122-0x0000000000000000-mapping.dmp
    • memory/3512-124-0x0000000001300000-0x000000000130C000-memory.dmp
      Filesize

      48KB

    • memory/3512-125-0x0000000001200000-0x000000000122F000-memory.dmp
      Filesize

      188KB

    • memory/3512-126-0x0000000003E20000-0x0000000004140000-memory.dmp
      Filesize

      3.1MB

    • memory/3832-123-0x0000000000000000-mapping.dmp