Analysis

  • max time kernel
    151s
  • max time network
    143s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    18-01-2021 09:07

General

  • Target

    inv.exe

  • Size

    343KB

  • MD5

    59ca7615f52a57b4d4528956889491ca

  • SHA1

    790ffd88a22f28df64c491e9fef87d50ceb9bfb7

  • SHA256

    bfa63841a36301ed60a4a0c177ad229a1b09266034182b7c8695fa5d7324f0b4

  • SHA512

    6564a9edcc216bfde643e24604cb2f536ea997bf902d933c40760ff834decb990f2f70f968484a27619551e4e493adcf867f0a19c1806a8142845692102f95fd

Malware Config

Extracted

Family

formbook

C2

http://www.nationshiphop.com/hko6/

Decoy

apartmentsineverettwa.com

forritcu.net

hotroodes.com

skinnerttc.com

royaltrustmyanmar.com

adreslog.com

kaysbridalboutiques.com

multitask-improvements.com

geniiforum.com

smarthomehatinh.asia

banglikeaboss.com

javlover.club

affiliateclubindia.com

mycapecoralhomevalue.com

comparamuebles.online

newrochellenissan.com

nairobi-paris.com

fwk.xyz

downdepot.com

nextgenmemorabilia.com

Signatures

  • Formbook

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

  • Formbook Payload 2 IoCs
  • Suspicious use of SetThreadContext 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 62 IoCs
  • Suspicious behavior: MapViewOfSection 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 22 IoCs
  • Suspicious use of UnmapMainImage 1 IoCs
  • Suspicious use of WriteProcessMemory 10 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:2640
    • C:\Users\Admin\AppData\Local\Temp\inv.exe
      "C:\Users\Admin\AppData\Local\Temp\inv.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of WriteProcessMemory
      PID:4760
      • C:\Users\Admin\AppData\Local\Temp\inv.exe
        "C:\Users\Admin\AppData\Local\Temp\inv.exe"
        3⤵
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of AdjustPrivilegeToken
        PID:3476
    • 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:3824
      • C:\Windows\SysWOW64\cmd.exe
        /c del "C:\Users\Admin\AppData\Local\Temp\inv.exe"
        3⤵
          PID:3384

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/2640-7-0x0000000002530000-0x000000000262E000-memory.dmp
      Filesize

      1016KB

    • memory/2640-14-0x0000000004B10000-0x0000000004BFC000-memory.dmp
      Filesize

      944KB

    • memory/3384-9-0x0000000000000000-mapping.dmp
    • memory/3476-2-0x000000000041ECF0-mapping.dmp
    • memory/3476-3-0x0000000000400000-0x000000000042E000-memory.dmp
      Filesize

      184KB

    • memory/3476-4-0x00000000017B0000-0x0000000001AD0000-memory.dmp
      Filesize

      3.1MB

    • memory/3476-6-0x0000000001360000-0x0000000001374000-memory.dmp
      Filesize

      80KB

    • memory/3824-8-0x0000000000000000-mapping.dmp
    • memory/3824-10-0x00000000000D0000-0x00000000003CC000-memory.dmp
      Filesize

      3.0MB

    • memory/3824-11-0x0000000002DB0000-0x0000000002DDE000-memory.dmp
      Filesize

      184KB

    • memory/3824-12-0x0000000004720000-0x0000000004A40000-memory.dmp
      Filesize

      3.1MB

    • memory/3824-13-0x0000000004620000-0x00000000046B3000-memory.dmp
      Filesize

      588KB