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Analysis

  • max time kernel
    124s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22/08/2024, 07:17

General

  • Target

    4f132cd93fe858362c4feb4d4effd90a.exe

  • Size

    208KB

  • MD5

    4f132cd93fe858362c4feb4d4effd90a

  • SHA1

    6227cb221e604ec4d9c0e00a2d0ced0fb14a23fc

  • SHA256

    82d99b840ac392300eb572ed71f77b62278361bce95488e24b0f53de4d67ad8c

  • SHA512

    8dffd1a9fb21bae9bbf0153887d60e20fbcab86452e654e4ed2b66a993f91af48e520751bcd3535949e37eb4976aec057bb1710b27f610ef40d96d71100ffc68

  • SSDEEP

    3072:+XSI/Bv48I9DWF/VLVqY81GcPE5EZRrBLrcJ7itM:+XcX9DWB1ZtarFgJ

Malware Config

Extracted

Family

smokeloader

Botnet

pub1

Signatures

  • SmokeLoader

    Modular backdoor trojan in use since 2014.

  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

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

  • Checks SCSI registry key(s) 3 TTPs 3 IoCs

    SCSI information is often read in order to detect sandboxing environments.

Processes

  • C:\Users\Admin\AppData\Local\Temp\4f132cd93fe858362c4feb4d4effd90a.exe
    "C:\Users\Admin\AppData\Local\Temp\4f132cd93fe858362c4feb4d4effd90a.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Checks SCSI registry key(s)
    PID:1732
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1732 -s 352
      2⤵
      • Program crash
      PID:668
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 1732 -ip 1732
    1⤵
      PID:972

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1732-1-0x00000000006C0000-0x00000000007C0000-memory.dmp

      Filesize

      1024KB

    • memory/1732-3-0x0000000000400000-0x000000000043A000-memory.dmp

      Filesize

      232KB

    • memory/1732-2-0x0000000000400000-0x000000000040B000-memory.dmp

      Filesize

      44KB

    • memory/1732-4-0x0000000000400000-0x000000000043A000-memory.dmp

      Filesize

      232KB

    • memory/1732-5-0x0000000000400000-0x000000000040B000-memory.dmp

      Filesize

      44KB