Analysis

  • max time kernel
    150s
  • max time network
    137s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    14-02-2023 09:06

General

  • Target

    SKMBT-283202109080.pdf.exe

  • Size

    570KB

  • MD5

    1b2504eaa55097312bfb5e80d81cf897

  • SHA1

    7c58194fdc6db2123a9f90cb0b921a1859158fbe

  • SHA256

    2fb0a24e905687a5443fbe50d21033e4318da3275260bd82d016a9af346bb09b

  • SHA512

    acf0d7dd8b019d69b6d749ba01ec5a37c4b59fe7e8dd3d8458114d093ad364e6e637500ee15688f58f393458b9f7bb9bac3d160e495d8a171992486dc5ad2184

  • SSDEEP

    12288:EVFFZ6qCmhX6OibPBNXB2Fx2JUkcLtRosYEykcvjSCCMO6apu:i63mlSjmqUkOtusYjkcY1

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

gg62

Decoy

growfast.africa

lerema.com

38945.se

wheelfermotors.africa

giftshareforyou.online

burrismktg.com

keepgrowing.uk

efefhomeless.buzz

bryanokoh.com

fashion-clothing-40094.com

andreasunshine.com

naijahood.africa

aditrirealty.com

kinnoitodatsumou.com

cryptoqzclimax.com

hairly.biz

comeuphither4.com

integrity360.ltd

flushywhole.com

8869365.com

Signatures

  • Formbook

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

  • Formbook payload 5 IoCs
  • Deletes itself 1 IoCs
  • Suspicious use of SetThreadContext 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 19 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 18 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of WriteProcessMemory
    PID:1400
    • C:\Users\Admin\AppData\Local\Temp\SKMBT-283202109080.pdf.exe
      "C:\Users\Admin\AppData\Local\Temp\SKMBT-283202109080.pdf.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious use of WriteProcessMemory
      PID:1808
      • C:\Users\Admin\AppData\Local\Temp\SKMBT-283202109080.pdf.exe
        "C:\Users\Admin\AppData\Local\Temp\SKMBT-283202109080.pdf.exe"
        3⤵
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of AdjustPrivilegeToken
        PID:2020
    • C:\Windows\SysWOW64\msiexec.exe
      "C:\Windows\SysWOW64\msiexec.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:568
      • C:\Windows\SysWOW64\cmd.exe
        /c del "C:\Users\Admin\AppData\Local\Temp\SKMBT-283202109080.pdf.exe"
        3⤵
        • Deletes itself
        PID:1636

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/568-80-0x00000000000D0000-0x00000000000FF000-memory.dmp
    Filesize

    188KB

  • memory/568-74-0x00000000020C0000-0x00000000023C3000-memory.dmp
    Filesize

    3.0MB

  • memory/568-73-0x00000000000D0000-0x00000000000FF000-memory.dmp
    Filesize

    188KB

  • memory/568-72-0x00000000003C0000-0x00000000003D4000-memory.dmp
    Filesize

    80KB

  • memory/568-70-0x0000000000000000-mapping.dmp
  • memory/568-78-0x0000000001FA0000-0x0000000002033000-memory.dmp
    Filesize

    588KB

  • memory/1400-76-0x000007FEF6A90000-0x000007FEF6BD3000-memory.dmp
    Filesize

    1.3MB

  • memory/1400-81-0x0000000006480000-0x0000000006524000-memory.dmp
    Filesize

    656KB

  • memory/1400-79-0x0000000006480000-0x0000000006524000-memory.dmp
    Filesize

    656KB

  • memory/1400-77-0x000007FEF7990000-0x000007FEF799A000-memory.dmp
    Filesize

    40KB

  • memory/1400-69-0x0000000004DF0000-0x0000000004F0C000-memory.dmp
    Filesize

    1.1MB

  • memory/1636-75-0x0000000000000000-mapping.dmp
  • memory/1808-54-0x0000000000C80000-0x0000000000D14000-memory.dmp
    Filesize

    592KB

  • memory/1808-59-0x0000000004400000-0x0000000004438000-memory.dmp
    Filesize

    224KB

  • memory/1808-58-0x0000000005CE0000-0x0000000005D64000-memory.dmp
    Filesize

    528KB

  • memory/1808-57-0x0000000000640000-0x000000000064C000-memory.dmp
    Filesize

    48KB

  • memory/1808-56-0x0000000000610000-0x0000000000624000-memory.dmp
    Filesize

    80KB

  • memory/1808-55-0x0000000075AC1000-0x0000000075AC3000-memory.dmp
    Filesize

    8KB

  • memory/2020-60-0x0000000000400000-0x000000000042F000-memory.dmp
    Filesize

    188KB

  • memory/2020-68-0x0000000000180000-0x0000000000194000-memory.dmp
    Filesize

    80KB

  • memory/2020-67-0x00000000008A0000-0x0000000000BA3000-memory.dmp
    Filesize

    3.0MB

  • memory/2020-66-0x0000000000400000-0x000000000042F000-memory.dmp
    Filesize

    188KB

  • memory/2020-63-0x0000000000400000-0x000000000042F000-memory.dmp
    Filesize

    188KB

  • memory/2020-64-0x000000000041F0B0-mapping.dmp
  • memory/2020-61-0x0000000000400000-0x000000000042F000-memory.dmp
    Filesize

    188KB