Analysis

  • max time kernel
    147s
  • max time network
    143s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13-12-2024 02:58

General

  • Target

    Invoice2024665-1112.exe

  • Size

    851KB

  • MD5

    bfe783df476aa09db0b6a7b202a4ce22

  • SHA1

    efd869b12f33a720c7894bd4683f652acd239399

  • SHA256

    7779dacfaf08385d377461ae4fe14557b8417c99247aac3c24eb9604c6b7f6e9

  • SHA512

    00f85a8ae9776cd129717c639f238be62ba563c62587eb22f995dadf431262ffe77f4b8a141292d4ab2eba048e50ed72df44834341ad47380b4b161db1cafb88

  • SSDEEP

    12288:rLkcoxg7v3qnC11ErwIhh0F4qwUgUny5QLZDhLweOBSHNDr9MI1Tzzy:ffmMv6Ckr7Mny5QLHLSaDr9/lzy

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 3 IoCs
  • Suspicious use of SetThreadContext 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 62 IoCs
  • Suspicious behavior: MapViewOfSection 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SendNotifyMessage 2 IoCs
  • Suspicious use of WriteProcessMemory 10 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3516
    • C:\Users\Admin\AppData\Local\Temp\Invoice2024665-1112.exe
      "C:\Users\Admin\AppData\Local\Temp\Invoice2024665-1112.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:3532
      • C:\Windows\SysWOW64\svchost.exe
        "C:\Users\Admin\AppData\Local\Temp\Invoice2024665-1112.exe"
        3⤵
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of AdjustPrivilegeToken
        PID:4524
    • C:\Windows\SysWOW64\wlanext.exe
      "C:\Windows\SysWOW64\wlanext.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:3284
      • C:\Windows\SysWOW64\cmd.exe
        /c del "C:\Windows\SysWOW64\svchost.exe"
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2420

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • memory/3284-12-0x0000000000D00000-0x0000000000D17000-memory.dmp

    Filesize

    92KB

  • memory/3284-15-0x0000000000D20000-0x0000000000D4F000-memory.dmp

    Filesize

    188KB

  • memory/3284-14-0x0000000000D00000-0x0000000000D17000-memory.dmp

    Filesize

    92KB

  • memory/3516-16-0x0000000002CC0000-0x0000000002D91000-memory.dmp

    Filesize

    836KB

  • memory/3516-11-0x0000000002CC0000-0x0000000002D91000-memory.dmp

    Filesize

    836KB

  • memory/3516-20-0x0000000008EC0000-0x0000000009024000-memory.dmp

    Filesize

    1.4MB

  • memory/3516-21-0x0000000008EC0000-0x0000000009024000-memory.dmp

    Filesize

    1.4MB

  • memory/3516-23-0x0000000008EC0000-0x0000000009024000-memory.dmp

    Filesize

    1.4MB

  • memory/3532-5-0x00000000033E0000-0x00000000033E4000-memory.dmp

    Filesize

    16KB

  • memory/4524-9-0x0000000000400000-0x000000000042F000-memory.dmp

    Filesize

    188KB

  • memory/4524-10-0x0000000001950000-0x0000000001964000-memory.dmp

    Filesize

    80KB

  • memory/4524-7-0x0000000001500000-0x000000000184A000-memory.dmp

    Filesize

    3.3MB

  • memory/4524-6-0x0000000000400000-0x000000000042F000-memory.dmp

    Filesize

    188KB