Analysis

  • max time kernel
    146s
  • max time network
    157s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02-04-2024 13:47

General

  • Target

    8e3ffb0282c016ce500a81a4e7a5f13e_JaffaCakes118.exe

  • Size

    506KB

  • MD5

    8e3ffb0282c016ce500a81a4e7a5f13e

  • SHA1

    3f0acf30be8406bc451bf43ad5a704c066bd89b5

  • SHA256

    370b7d8656ddabeb6669b24da32cd047ebbd977efce6047bd26e8326a98c768e

  • SHA512

    ea9cf7dd7afdab45021e88d3f258d6d38d91b9952afbc8b7365e5d47fb37008b270a7e0dee0c046c14c035f0b1a3f88c45ce262f895bc420be8dace52eda28c0

  • SSDEEP

    12288:4CztCniVGFCL7EZTo7ZGSki2YmrgTPVrBJNQqI:4CpC5CL4ZkNGS+Yoqx7NQT

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

u1bs

Decoy

ln-safe-keepingmisva4.xyz

rtfh.xyz

awolin.link

metadlf.com

cardboardcasual.com

psicoterapiahablada.com

spaminator.xyz

hnjqzl.top

dentalyinovasi.site

biosynblas.com

zvyk.store

shreevishwakarmaservices.com

showersplash.com

norbert-roth.com

londoncapitaltraders.com

istanbuldonerkebabheroncity.com

realdiscountsnow.com

marlinplumbingwnc.com

magazinadziavane.com

qantv.com

Signatures

  • Formbook

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

  • Formbook payload 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Creates scheduled task(s) 1 TTPs 1 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8e3ffb0282c016ce500a81a4e7a5f13e_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\8e3ffb0282c016ce500a81a4e7a5f13e_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:4996
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\FlmzgpptIOIuw" /XML "C:\Users\Admin\AppData\Local\Temp\tmp191.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:4496
    • C:\Users\Admin\AppData\Local\Temp\8e3ffb0282c016ce500a81a4e7a5f13e_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\8e3ffb0282c016ce500a81a4e7a5f13e_JaffaCakes118.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      PID:2040

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2040-16-0x0000000000400000-0x000000000042F000-memory.dmp

    Filesize

    188KB

  • memory/2040-19-0x0000000001900000-0x0000000001C4A000-memory.dmp

    Filesize

    3.3MB

  • memory/4996-6-0x0000000009180000-0x000000000918E000-memory.dmp

    Filesize

    56KB

  • memory/4996-3-0x0000000007D90000-0x0000000007E22000-memory.dmp

    Filesize

    584KB

  • memory/4996-4-0x0000000007D00000-0x0000000007D10000-memory.dmp

    Filesize

    64KB

  • memory/4996-5-0x0000000007F30000-0x0000000007F3A000-memory.dmp

    Filesize

    40KB

  • memory/4996-0-0x0000000000E70000-0x0000000000EF4000-memory.dmp

    Filesize

    528KB

  • memory/4996-7-0x0000000075220000-0x00000000759D0000-memory.dmp

    Filesize

    7.7MB

  • memory/4996-8-0x0000000007D00000-0x0000000007D10000-memory.dmp

    Filesize

    64KB

  • memory/4996-9-0x000000000CE30000-0x000000000CECC000-memory.dmp

    Filesize

    624KB

  • memory/4996-10-0x000000000CF20000-0x000000000CF78000-memory.dmp

    Filesize

    352KB

  • memory/4996-2-0x00000000082A0000-0x0000000008844000-memory.dmp

    Filesize

    5.6MB

  • memory/4996-18-0x0000000075220000-0x00000000759D0000-memory.dmp

    Filesize

    7.7MB

  • memory/4996-1-0x0000000075220000-0x00000000759D0000-memory.dmp

    Filesize

    7.7MB