Analysis

  • max time kernel
    120s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    14-12-2024 03:55

General

  • Target

    invoice 2024665-1112.exe

  • Size

    848KB

  • MD5

    01558475f7d940f2fd80c0f2e4819169

  • SHA1

    56de61a2f8713d3f6711f85169bcf040f1cd6d5e

  • SHA256

    a4fa23e8786de563fd0eef88e32ea883672dc02c823f119ee8ffc82c0c0b6f9e

  • SHA512

    c6e26c54dfcd8eed8e864985c3b0cac8674667cf73b91377853744709ca7059e12268d2f8678b6b0b6579c71fe4a4ee6d3c006b9f60d7d65fbdcabdd0417ea34

  • SSDEEP

    12288:rLkcoxg7v3qnC11ErwIhh0F4qwUgUny5QLf99s6x2ABR7/ATY0kHgnC87og:ffmMv6Ckr7Mny5QLcMB5Mh7og

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

cl21

Decoy

0001.shop

earch-parttimejobs.today

are888.top

akanhaunthipped.shop

othing-heyu.xyz

cadvirsor.net

nclanalae.shop

lectric-cars-mexico.today

oxj-question.xyz

ersonalloanoffers.today

ersonalloans-fo54-fo37.click

verybody-ewfx.xyz

ercuremontauban.media

azilimdunyam.net

airs-clinicato.today

wiftsscend.click

ertainly-jbws.xyz

8xeng.app

damekadmitageable.cfd

ollapsedec.shop

Signatures

  • Formbook

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

  • Formbook family
  • Formbook payload 2 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • 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 2 IoCs
  • Suspicious behavior: MapViewOfSection 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of FindShellTrayWindow 4 IoCs
  • Suspicious use of SendNotifyMessage 2 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:1128
    • C:\Users\Admin\AppData\Local\Temp\invoice 2024665-1112.exe
      "C:\Users\Admin\AppData\Local\Temp\invoice 2024665-1112.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:2132
      • C:\Windows\SysWOW64\svchost.exe
        "C:\Users\Admin\AppData\Local\Temp\invoice 2024665-1112.exe"
        3⤵
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of AdjustPrivilegeToken
        PID:2288
    • C:\Windows\SysWOW64\msiexec.exe
      "C:\Windows\SysWOW64\msiexec.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1608
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1608 -s 268
        3⤵
        • Program crash
        PID:2440

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1128-11-0x0000000006210000-0x0000000006375000-memory.dmp

    Filesize

    1.4MB

  • memory/1128-18-0x0000000006210000-0x0000000006375000-memory.dmp

    Filesize

    1.4MB

  • memory/1608-13-0x0000000000ED0000-0x0000000000EE4000-memory.dmp

    Filesize

    80KB

  • memory/1608-12-0x0000000000ED0000-0x0000000000EE4000-memory.dmp

    Filesize

    80KB

  • memory/1608-15-0x0000000000ED0000-0x0000000000EE4000-memory.dmp

    Filesize

    80KB

  • memory/2132-5-0x00000000009E0000-0x00000000009E4000-memory.dmp

    Filesize

    16KB

  • memory/2288-6-0x0000000000400000-0x000000000042F000-memory.dmp

    Filesize

    188KB

  • memory/2288-7-0x0000000000880000-0x0000000000B83000-memory.dmp

    Filesize

    3.0MB

  • memory/2288-10-0x0000000000210000-0x0000000000224000-memory.dmp

    Filesize

    80KB

  • memory/2288-9-0x0000000000400000-0x000000000042F000-memory.dmp

    Filesize

    188KB