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Analysis

  • max time kernel
    122s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    07/01/2025, 14:50

General

  • Target

    JaffaCakes118_6923309c1cf759930f67710ac9dfd328.exe

  • Size

    511KB

  • MD5

    6923309c1cf759930f67710ac9dfd328

  • SHA1

    e74291e311e8466dd7222a2eb3779848385dd3fa

  • SHA256

    3c4aa39e200cb4303a3e5970bbedb5a1bb1baa656c3fc2286f82392a91e4a4ea

  • SHA512

    993dbcc6063f3a1b293fb3e2c794f1f817a4703d5b21154fc47e02998f72e334cca38b820c6f657a8345775690eed93f2a8f9202b453490735bc89cebf3ecbd5

  • SSDEEP

    12288:JGk9RQVXaahBaUi2iNIYI864BI94c9Yr+tJXktSljS:JtRQMahAUi1u/864u4cWit7g

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

kzk9

Decoy

tianconghuo.club

1996-page.com

ourtownmax.net

conservativetreehose.com

synth.repair

donnachicacreperia.com

tentfull.com

weapp.download

surfersink.com

gattlebusinessservices.com

sebastian249.com

anhphuc.company

betternatureproducts.net

defroplate.com

seattlesquidsquad.com

polarjob.com

lendingadvantage.com

angelsondope.com

goportjitney.com

tiendagrupojagr.com

Signatures

  • Formbook

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

  • Formbook family
  • Formbook payload 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6923309c1cf759930f67710ac9dfd328.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6923309c1cf759930f67710ac9dfd328.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2960
    • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6923309c1cf759930f67710ac9dfd328.exe
      "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6923309c1cf759930f67710ac9dfd328.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2488
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2488 -s 36
        3⤵
        • Program crash
        PID:2816

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • memory/2488-7-0x0000000000400000-0x000000000042E000-memory.dmp

    Filesize

    184KB

  • memory/2488-12-0x0000000000400000-0x000000000042E000-memory.dmp

    Filesize

    184KB

  • memory/2488-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2488-9-0x0000000000400000-0x000000000042E000-memory.dmp

    Filesize

    184KB

  • memory/2960-0-0x000000007408E000-0x000000007408F000-memory.dmp

    Filesize

    4KB

  • memory/2960-1-0x0000000000B40000-0x0000000000BC6000-memory.dmp

    Filesize

    536KB

  • memory/2960-2-0x0000000000940000-0x000000000094E000-memory.dmp

    Filesize

    56KB

  • memory/2960-3-0x0000000074080000-0x000000007476E000-memory.dmp

    Filesize

    6.9MB

  • memory/2960-4-0x000000007408E000-0x000000007408F000-memory.dmp

    Filesize

    4KB

  • memory/2960-5-0x0000000074080000-0x000000007476E000-memory.dmp

    Filesize

    6.9MB

  • memory/2960-6-0x0000000002020000-0x0000000002076000-memory.dmp

    Filesize

    344KB

  • memory/2960-13-0x0000000074080000-0x000000007476E000-memory.dmp

    Filesize

    6.9MB