Analysis

  • max time kernel
    150s
  • max time network
    139s
  • platform
    windows7_x64
  • resource
    win7-20230712-en
  • resource tags

    arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-x64system
  • submitted
    16-08-2023 12:27

General

  • Target

    invoice.exe

  • Size

    926KB

  • MD5

    f93b86ab785cc1422188c476d3483ad5

  • SHA1

    cb8e9cedad42afbf0a32cdc58643450fd149e6ad

  • SHA256

    6217071ee755bb3de9914c5ee71161ed5666acd77c7cb6bd972d465707bf0613

  • SHA512

    b7161e145dcf2ab24816866980f8afb42f0535e75a66c870c86f043140580203d94bd754ee35a52f2dc6722d282fdf48aa6f87b85ec7d97c8a6b80efc3258c63

  • SSDEEP

    12288:D1PDogOtA1MUII0a6PCKv3rBtOpxP2eZrW2uvMrxJ8mJAsjFmR00lqTjgidAA:STUIIN6PCKCpxDrFyOxJ8aAwAgTjjA

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

e14e

Decoy

bekamwanitajogja.com

dysae21.xyz

warehouse-top-jobs.today

h53h.com

fertility.builders

coincallpro.com

gdlinternational.sale

r3hews.shop

sg199.com

whitehillmemorials.com

nadadedor.com

pamphletbox.com

4dsmartglass.com

avaluxuryliving.com

fatdog.club

insightinvention.com

exmigraine.com

bridxo.xyz

wy6zbsa.xyz

jithinvijay.com

Signatures

  • Formbook

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

  • Formbook payload 4 IoCs
  • Deletes itself 1 IoCs
  • Suspicious use of SetThreadContext 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 23 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of WriteProcessMemory
    PID:1188
    • C:\Users\Admin\AppData\Local\Temp\invoice.exe
      "C:\Users\Admin\AppData\Local\Temp\invoice.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious use of WriteProcessMemory
      PID:2680
      • C:\Users\Admin\AppData\Local\Temp\invoice.exe
        "C:\Users\Admin\AppData\Local\Temp\invoice.exe"
        3⤵
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of AdjustPrivilegeToken
        PID:2968
    • C:\Windows\SysWOW64\systray.exe
      "C:\Windows\SysWOW64\systray.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2844
      • C:\Windows\SysWOW64\cmd.exe
        /c del "C:\Users\Admin\AppData\Local\Temp\invoice.exe"
        3⤵
        • Deletes itself
        PID:2708

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1188-73-0x00000000063E0000-0x00000000064A3000-memory.dmp

    Filesize

    780KB

  • memory/1188-85-0x0000000009300000-0x000000000944E000-memory.dmp

    Filesize

    1.3MB

  • memory/1188-83-0x0000000009300000-0x000000000944E000-memory.dmp

    Filesize

    1.3MB

  • memory/1188-82-0x0000000009300000-0x000000000944E000-memory.dmp

    Filesize

    1.3MB

  • memory/1188-79-0x00000000063E0000-0x00000000064A3000-memory.dmp

    Filesize

    780KB

  • memory/2680-68-0x0000000073FE0000-0x00000000746CE000-memory.dmp

    Filesize

    6.9MB

  • memory/2680-59-0x0000000004810000-0x0000000004850000-memory.dmp

    Filesize

    256KB

  • memory/2680-61-0x0000000005B30000-0x0000000005BB8000-memory.dmp

    Filesize

    544KB

  • memory/2680-55-0x0000000000D60000-0x0000000000E4E000-memory.dmp

    Filesize

    952KB

  • memory/2680-56-0x0000000004810000-0x0000000004850000-memory.dmp

    Filesize

    256KB

  • memory/2680-57-0x00000000009E0000-0x00000000009FC000-memory.dmp

    Filesize

    112KB

  • memory/2680-58-0x0000000073FE0000-0x00000000746CE000-memory.dmp

    Filesize

    6.9MB

  • memory/2680-54-0x0000000073FE0000-0x00000000746CE000-memory.dmp

    Filesize

    6.9MB

  • memory/2680-60-0x0000000000A90000-0x0000000000A9E000-memory.dmp

    Filesize

    56KB

  • memory/2844-78-0x0000000000080000-0x00000000000AF000-memory.dmp

    Filesize

    188KB

  • memory/2844-74-0x00000000001D0000-0x00000000001D5000-memory.dmp

    Filesize

    20KB

  • memory/2844-75-0x00000000001D0000-0x00000000001D5000-memory.dmp

    Filesize

    20KB

  • memory/2844-76-0x0000000000080000-0x00000000000AF000-memory.dmp

    Filesize

    188KB

  • memory/2844-77-0x0000000001F00000-0x0000000002203000-memory.dmp

    Filesize

    3.0MB

  • memory/2844-81-0x0000000001E20000-0x0000000001EB3000-memory.dmp

    Filesize

    588KB

  • memory/2968-72-0x00000000002E0000-0x00000000002F4000-memory.dmp

    Filesize

    80KB

  • memory/2968-71-0x0000000000400000-0x000000000042F000-memory.dmp

    Filesize

    188KB

  • memory/2968-69-0x00000000008B0000-0x0000000000BB3000-memory.dmp

    Filesize

    3.0MB

  • memory/2968-67-0x0000000000400000-0x000000000042F000-memory.dmp

    Filesize

    188KB

  • memory/2968-65-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2968-64-0x0000000000400000-0x000000000042F000-memory.dmp

    Filesize

    188KB

  • memory/2968-62-0x0000000000400000-0x000000000042F000-memory.dmp

    Filesize

    188KB