Analysis

  • max time kernel
    148s
  • max time network
    149s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    26-02-2021 07:14

General

  • Target

    PO 15682.exe

  • Size

    132KB

  • MD5

    152a5851db0c8cf4e0d70ebdc17ee40f

  • SHA1

    6f5d834b312bad0742efacf2dc4e1484a9541b40

  • SHA256

    9433390a8374d47e62017b03c8d949af363e1f1aaa5247a2e320fc611c42f138

  • SHA512

    c28b65148108e09ec8844ef02b8d309a78b9737462dd5ec0bf11817a309d564a810e779e3757d40741712a3a4e0e1bda4f161927876a0500049a3f5bdc40c1af

Malware Config

Extracted

Family

formbook

C2

http://www.lyceumgroupbooks.com/blk/

Decoy

khoasoldguaranteed.com

mamucosmetic.com

numerologo.guru

r--hmb.info

dirtywonga.net

chefsdelivered.com

reallylongsex.today

ownthelightbetweenoceans.com

tallboyradio.com

laineygissip.com

alkhemilia.com

tiedye-design.com

simonmarkroberts.com

thebattledrones.com

w-bayvip.vin

icloudmyfind.biz

soughandhikaresorts.com

gisjess.com

modacicekevi.com

gymwelluk.com

Signatures

  • Formbook

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

  • Formbook Payload 2 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 3 IoCs
  • Suspicious use of SetThreadContext 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 24 IoCs
  • Suspicious behavior: MapViewOfSection 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 10 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2640
    • C:\Users\Admin\AppData\Local\Temp\PO 15682.exe
      "C:\Users\Admin\AppData\Local\Temp\PO 15682.exe"
      2⤵
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • Suspicious use of SetThreadContext
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:4772
      • C:\Users\Admin\AppData\Local\Temp\PO 15682.exe
        "C:\Users\Admin\AppData\Local\Temp\PO 15682.exe"
        3⤵
        • Suspicious use of NtSetInformationThreadHideFromDebugger
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of AdjustPrivilegeToken
        PID:3148
    • C:\Windows\SysWOW64\explorer.exe
      "C:\Windows\SysWOW64\explorer.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:3380
      • C:\Windows\SysWOW64\cmd.exe
        /c del "C:\Users\Admin\AppData\Local\Temp\PO 15682.exe"
        3⤵
          PID:4516

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/2640-11-0x0000000005B70000-0x0000000005CC4000-memory.dmp
      Filesize

      1.3MB

    • memory/2640-18-0x0000000006280000-0x00000000063F1000-memory.dmp
      Filesize

      1.4MB

    • memory/3148-7-0x0000000000560000-0x0000000000660000-memory.dmp
      Filesize

      1024KB

    • memory/3148-5-0x00000000004013DC-mapping.dmp
    • memory/3148-6-0x0000000000401000-0x00000000004FD000-memory.dmp
      Filesize

      1008KB

    • memory/3148-8-0x0000000000401000-0x0000000000541000-memory.dmp
      Filesize

      1.2MB

    • memory/3148-9-0x000000001E710000-0x000000001EA30000-memory.dmp
      Filesize

      3.1MB

    • memory/3148-10-0x000000001E6B0000-0x000000001E6C4000-memory.dmp
      Filesize

      80KB

    • memory/3380-12-0x0000000000000000-mapping.dmp
    • memory/3380-14-0x0000000000900000-0x000000000092E000-memory.dmp
      Filesize

      184KB

    • memory/3380-13-0x0000000001170000-0x00000000015AF000-memory.dmp
      Filesize

      4.2MB

    • memory/3380-16-0x0000000004D10000-0x0000000005030000-memory.dmp
      Filesize

      3.1MB

    • memory/3380-17-0x0000000004B70000-0x0000000004C03000-memory.dmp
      Filesize

      588KB

    • memory/4516-15-0x0000000000000000-mapping.dmp
    • memory/4772-3-0x0000000000520000-0x0000000000521000-memory.dmp
      Filesize

      4KB

    • memory/4772-4-0x00000000001C0000-0x00000000001CD000-memory.dmp
      Filesize

      52KB