Analysis

  • max time kernel
    150s
  • max time network
    149s
  • platform
    windows10_x64
  • resource
    win10-en-20211014
  • submitted
    15-10-2021 10:28

General

  • Target

    p2.exe

  • Size

    678KB

  • MD5

    5d0d79406f8e894b3146ecbbf8e27465

  • SHA1

    cdad223f57b289f0a31df86dc254e13325289f6b

  • SHA256

    e36594f316d20c3f0fb948a9c12a0190b872265c7ba49ebb4ffab701f38bbdd9

  • SHA512

    169da8773ca03edbe2ece9614f789d331c6a3732e70d535afb423c133d7c56d90af42409e3fd58d4a5ccf955fce0ff2c400c4d3bfb9af6af110ee69206970c3c

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

n7ak

C2

http://www.kmresults.com/n7ak/

Decoy

modischoolcbse.com

theneverwinter.com

rszkjx-vps-hosting.website

fnihil.com

1pbet.com

nnowzscorrez.com

uaotgvjl.icu

starmapsqatar.com

ekisilani.com

extradeepsheets.com

jam-nins.com

buranly.com

orixentertainment.com

rawtech.energy

myol.guru

utex.club

jiapie.com

wowig.store

wweidlyyl.com

systaskautomation.com

Signatures

  • Formbook

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

  • Formbook Payload 3 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 56 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:2580
    • C:\Users\Admin\AppData\Local\Temp\p2.exe
      "C:\Users\Admin\AppData\Local\Temp\p2.exe"
      2⤵
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:2268
      • C:\Windows\SysWOW64\DpiScaling.exe
        C:\Windows\System32\DpiScaling.exe
        3⤵
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of AdjustPrivilegeToken
        PID:1540
    • C:\Windows\SysWOW64\cmmon32.exe
      "C:\Windows\SysWOW64\cmmon32.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:312
      • C:\Windows\SysWOW64\cmd.exe
        /c del "C:\Windows\SysWOW64\DpiScaling.exe"
        3⤵
          PID:2112

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Persistence

    Registry Run Keys / Startup Folder

    1
    T1060

    Defense Evasion

    Modify Registry

    1
    T1112

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/312-124-0x0000000000000000-mapping.dmp
    • memory/312-129-0x0000000004420000-0x00000000044B3000-memory.dmp
      Filesize

      588KB

    • memory/312-128-0x0000000004650000-0x0000000004970000-memory.dmp
      Filesize

      3.1MB

    • memory/312-126-0x00000000006B0000-0x00000000006DE000-memory.dmp
      Filesize

      184KB

    • memory/312-125-0x0000000000D80000-0x0000000000D8C000-memory.dmp
      Filesize

      48KB

    • memory/1540-119-0x0000000000840000-0x0000000000841000-memory.dmp
      Filesize

      4KB

    • memory/1540-122-0x0000000000E20000-0x0000000000E34000-memory.dmp
      Filesize

      80KB

    • memory/1540-121-0x0000000004530000-0x0000000004850000-memory.dmp
      Filesize

      3.1MB

    • memory/1540-120-0x0000000072480000-0x00000000724AE000-memory.dmp
      Filesize

      184KB

    • memory/1540-117-0x0000000000000000-mapping.dmp
    • memory/2112-127-0x0000000000000000-mapping.dmp
    • memory/2268-115-0x0000000000A50000-0x0000000000A51000-memory.dmp
      Filesize

      4KB

    • memory/2268-116-0x0000000002231000-0x0000000002245000-memory.dmp
      Filesize

      80KB

    • memory/2580-123-0x0000000005AD0000-0x0000000005C45000-memory.dmp
      Filesize

      1.5MB

    • memory/2580-130-0x0000000002C10000-0x0000000002CD2000-memory.dmp
      Filesize

      776KB