Analysis

  • max time kernel
    147s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    25-12-2024 16:31

General

  • Target

    NUEVA ORDEN DE COMPRA.pdf.exe

  • Size

    735KB

  • MD5

    31ba1b0840c21eaef4703f971d6e1269

  • SHA1

    b5775b488c52e6e3213178cf3029f670daf3ea61

  • SHA256

    a1d866af56e776900262c65bc9f7396338f73378f7af889c5f02166432381097

  • SHA512

    6fe6a5e5df803f021b8140c017d35d96e3ba6b2d83c67342edb187a85c2c8e031a8e5a82a4ad96b2cb648609101224c948798c4970e2227eebc82655e4ca027a

  • SSDEEP

    12288:FQGaZqPVeqKmpPkHpgnrnHvoXZJZE9NzxIbkaVF4Vp9xCwgaNSsRPTJmeZ:SgteqTpsJmwrZE9NzAFep9xMONPT4s

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

d2g7

Decoy

inviteonlyme.com

noashopping.com

raysyoutube.com

chicagp.com

brnguatemala.com

speechboutique.com

philippinepodcastdirectory.com

konnecio.com

9q1ng6.icu

treez.info

appleiclou.com

pettras.com

txherz.icu

freearcae.com

mindpetalsoftwaresolutions.com

my-beautiful-switzerland.com

hpzebike.online

fadsekclub.xyz

newcastledhaka.com

varidsk.com

Signatures

  • Formbook

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

  • Formbook family
  • Formbook payload 2 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • 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 5 IoCs

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

  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 22 IoCs
  • Suspicious behavior: MapViewOfSection 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 26 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1200
    • C:\Users\Admin\AppData\Local\Temp\NUEVA ORDEN DE COMPRA.pdf.exe
      "C:\Users\Admin\AppData\Local\Temp\NUEVA ORDEN DE COMPRA.pdf.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3052
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\uRvJDBvw.exe"
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2108
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\uRvJDBvw" /XML "C:\Users\Admin\AppData\Local\Temp\tmpE13B.tmp"
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:2820
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
        3⤵
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of AdjustPrivilegeToken
        PID:2732
    • C:\Windows\SysWOW64\help.exe
      "C:\Windows\SysWOW64\help.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:1240
      • C:\Windows\SysWOW64\cmd.exe
        /c del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2964

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmpE13B.tmp

    Filesize

    1KB

    MD5

    bb60e12343a5b4c19380fe36e3da4c7e

    SHA1

    af58c1ef86c528934e4bc00f9afc9a574d719f4f

    SHA256

    a0135362d60b0b1ac84d04c6efc33bdc3592e490ae9e33dc838e79bce4de346e

    SHA512

    7969dde47beca6e5e68657a668a9519ed8135a5a7776ced2a540f1dfa13e23bc37fc6db8f808690d6d5f30e46c27f952358ed4f89e1ef10637a9e9b6af0a85a7

  • memory/1200-26-0x0000000004090000-0x0000000004290000-memory.dmp

    Filesize

    2.0MB

  • memory/1200-23-0x0000000002D00000-0x0000000002E00000-memory.dmp

    Filesize

    1024KB

  • memory/1240-25-0x0000000000080000-0x00000000000AF000-memory.dmp

    Filesize

    188KB

  • memory/1240-24-0x0000000000880000-0x0000000000886000-memory.dmp

    Filesize

    24KB

  • memory/2732-17-0x0000000000400000-0x000000000042F000-memory.dmp

    Filesize

    188KB

  • memory/2732-19-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2732-20-0x0000000000400000-0x000000000042F000-memory.dmp

    Filesize

    188KB

  • memory/2732-15-0x0000000000400000-0x000000000042F000-memory.dmp

    Filesize

    188KB

  • memory/3052-4-0x0000000074ACE000-0x0000000074ACF000-memory.dmp

    Filesize

    4KB

  • memory/3052-14-0x00000000080B0000-0x0000000008126000-memory.dmp

    Filesize

    472KB

  • memory/3052-6-0x0000000005BC0000-0x0000000005C78000-memory.dmp

    Filesize

    736KB

  • memory/3052-5-0x0000000074AC0000-0x00000000751AE000-memory.dmp

    Filesize

    6.9MB

  • memory/3052-21-0x0000000074AC0000-0x00000000751AE000-memory.dmp

    Filesize

    6.9MB

  • memory/3052-0-0x0000000074ACE000-0x0000000074ACF000-memory.dmp

    Filesize

    4KB

  • memory/3052-3-0x0000000000490000-0x000000000049E000-memory.dmp

    Filesize

    56KB

  • memory/3052-2-0x0000000074AC0000-0x00000000751AE000-memory.dmp

    Filesize

    6.9MB

  • memory/3052-1-0x0000000000B60000-0x0000000000C1E000-memory.dmp

    Filesize

    760KB