Analysis

  • max time kernel
    152s
  • max time network
    140s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    13-01-2021 07:41

General

  • Target

    PO-000202112.exe

  • Size

    1.0MB

  • MD5

    673900f8da4aa24a77f61417d0273d85

  • SHA1

    0d04e357ccb332b63b1a8d9d4e9f6b889c2f0b77

  • SHA256

    c3a69db8642855e1dfcbcb213f7f050c5fb2d86744183b13483411f97009c2a0

  • SHA512

    63c30b550f314620cdc961eb1dcb0c91e8f9b702aa722f34b0c81c308ac5f44ab9818bd12fb8e13aabc6ed3bab16b6df90b1727aed976fcf86ee4a0422adfde6

Malware Config

Extracted

Family

formbook

C2

http://www.culturespk.com/kbl/

Decoy

flamesapp.com

ravenridgehoa.com

epraggma.com

stupidbooks.com

jointhesadls.com

estavisaapplication.com

12minhomebusiness.com

wwddww.com

stratusdetroitmail.com

storevanguard.com

cadeaux-et-gadgets.com

vbnfnleoba.club

ilikecircles.com

inspirednycharm.com

baizhongcai.com

medinius.info

call0815.com

vastu618.com

beautyshopin.com

looksplanet.com

Signatures

  • Formbook

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

  • Formbook Payload 3 IoCs
  • Suspicious use of SetThreadContext 3 IoCs
  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Gathers network information 2 TTPs 1 IoCs

    Uses commandline utility to view network configuration.

  • Suspicious behavior: EnumeratesProcesses 39 IoCs
  • Suspicious behavior: MapViewOfSection 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 IoCs
  • Suspicious use of UnmapMainImage 1 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:2144
    • C:\Users\Admin\AppData\Local\Temp\PO-000202112.exe
      "C:\Users\Admin\AppData\Local\Temp\PO-000202112.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1628
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\KUrQojFHu" /XML "C:\Users\Admin\AppData\Local\Temp\tmp5F67.tmp"
        3⤵
        • Creates scheduled task(s)
        PID:2792
      • C:\Users\Admin\AppData\Local\Temp\PO-000202112.exe
        "C:\Users\Admin\AppData\Local\Temp\PO-000202112.exe"
        3⤵
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of AdjustPrivilegeToken
        PID:2124
    • C:\Windows\SysWOW64\NETSTAT.EXE
      "C:\Windows\SysWOW64\NETSTAT.EXE"
      2⤵
      • Suspicious use of SetThreadContext
      • Gathers network information
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1176
      • C:\Windows\SysWOW64\cmd.exe
        /c del "C:\Users\Admin\AppData\Local\Temp\PO-000202112.exe"
        3⤵
          PID:3688

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\tmp5F67.tmp

      MD5

      2aed3060ba6720e145a1bb29bc1d6efc

      SHA1

      c75af4149fc0d17eb6b7cf98fbf8324bf8d78b31

      SHA256

      2796a5f9b3bd9a30cdf97bab5e9eb63661b54fd69faaf7a2eea74277c4198df0

      SHA512

      06eedd5d9df481e3480855490013f5fff6487899fc72ad203cb1ea324e92e0328f9842d067da81bafb60bea6798cd31bc00e904a5ace3d8027e74220047c8bb2

    • memory/1176-18-0x0000000000E10000-0x0000000000E1B000-memory.dmp

      Filesize

      44KB

    • memory/1176-17-0x0000000000E10000-0x0000000000E1B000-memory.dmp

      Filesize

      44KB

    • memory/1176-16-0x0000000000000000-mapping.dmp

    • memory/1628-11-0x00000000064B0000-0x000000000651A000-memory.dmp

      Filesize

      424KB

    • memory/1628-8-0x0000000005720000-0x0000000005721000-memory.dmp

      Filesize

      4KB

    • memory/1628-9-0x0000000005A30000-0x0000000005A31000-memory.dmp

      Filesize

      4KB

    • memory/1628-10-0x0000000005760000-0x0000000005772000-memory.dmp

      Filesize

      72KB

    • memory/1628-2-0x0000000073840000-0x0000000073F2E000-memory.dmp

      Filesize

      6.9MB

    • memory/1628-7-0x0000000005820000-0x0000000005821000-memory.dmp

      Filesize

      4KB

    • memory/1628-6-0x0000000005D20000-0x0000000005D21000-memory.dmp

      Filesize

      4KB

    • memory/1628-5-0x0000000005780000-0x0000000005781000-memory.dmp

      Filesize

      4KB

    • memory/1628-3-0x0000000000CC0000-0x0000000000CC1000-memory.dmp

      Filesize

      4KB

    • memory/2124-14-0x0000000000400000-0x000000000042E000-memory.dmp

      Filesize

      184KB

    • memory/2124-15-0x000000000041EAC0-mapping.dmp

    • memory/2792-12-0x0000000000000000-mapping.dmp

    • memory/3688-19-0x0000000000000000-mapping.dmp