Analysis

  • max time kernel
    149s
  • max time network
    17s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    23-12-2024 19:48

General

  • Target

    orden de compra.pdf.exe

  • Size

    714KB

  • MD5

    f8c2ed068b19751db85c91aeef0a3c40

  • SHA1

    e3ebf312f0e7ef027246c2f6527cc8029b257d90

  • SHA256

    6ea29798071a1323ec1298b4d1f5aad63318d2c685637239b9d67768744c7978

  • SHA512

    a5094444d4608b8bf51a765875209816645758bcd1003e65f7e3ae32c64a3f6d021973ef84976ee86cc3b0f1606c5d288502fc96dbbc517501b38cbdbf6471c8

  • SSDEEP

    12288:KTzDQZ8Lx05Kh4qpgZ0o4yPuasknvGPiGwc6auan4yicWApbMGlg6:vZ8NSK+qKAaxn4Twvan4yjrMG2

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 24 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:1284
    • C:\Users\Admin\AppData\Local\Temp\orden de compra.pdf.exe
      "C:\Users\Admin\AppData\Local\Temp\orden de compra.pdf.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2604
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\FLkxyjrHFzi.exe"
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2836
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\FLkxyjrHFzi" /XML "C:\Users\Admin\AppData\Local\Temp\tmpA6AB.tmp"
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:2848
      • 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:2656
    • C:\Windows\SysWOW64\msdt.exe
      "C:\Windows\SysWOW64\msdt.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:2200
      • 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:2068

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmpA6AB.tmp

    Filesize

    1KB

    MD5

    3ab7149f8890b745ac160f056df9ce7c

    SHA1

    6e5865935589891d92b6ca165f7b38fecb05b2cb

    SHA256

    40458e23cdf56a5d2048d90eac66789d2f5a4f89ecb651b583b84b3f5fe4553b

    SHA512

    64201a06014fef0415af27d813cf239ad5227d445ade86f3a6b3571dc51a31b71ab5f3a10e25c3abadc1dc0defc4fdfd12762b72defaa576c581a0e84db98dc3

  • memory/2200-23-0x0000000000080000-0x00000000000AF000-memory.dmp

    Filesize

    188KB

  • memory/2200-22-0x00000000003A0000-0x0000000000494000-memory.dmp

    Filesize

    976KB

  • memory/2604-3-0x00000000005E0000-0x00000000005EE000-memory.dmp

    Filesize

    56KB

  • memory/2604-4-0x00000000740C0000-0x00000000747AE000-memory.dmp

    Filesize

    6.9MB

  • memory/2604-5-0x0000000005090000-0x0000000005108000-memory.dmp

    Filesize

    480KB

  • memory/2604-0-0x00000000740CE000-0x00000000740CF000-memory.dmp

    Filesize

    4KB

  • memory/2604-11-0x0000000005EE0000-0x0000000005F14000-memory.dmp

    Filesize

    208KB

  • memory/2604-20-0x00000000740C0000-0x00000000747AE000-memory.dmp

    Filesize

    6.9MB

  • memory/2604-2-0x00000000740C0000-0x00000000747AE000-memory.dmp

    Filesize

    6.9MB

  • memory/2604-1-0x00000000002E0000-0x0000000000398000-memory.dmp

    Filesize

    736KB

  • memory/2656-12-0x0000000000400000-0x000000000042F000-memory.dmp

    Filesize

    188KB

  • memory/2656-17-0x0000000000400000-0x000000000042F000-memory.dmp

    Filesize

    188KB

  • memory/2656-16-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2656-14-0x0000000000400000-0x000000000042F000-memory.dmp

    Filesize

    188KB