Analysis

  • max time kernel
    95s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05-02-2025 19:33

General

  • Target

    SecuriteInfo.com.Trojan.PWS.Lumma.1819.15966.11991.exe

  • Size

    103KB

  • MD5

    b53bbcfca226226405217bba4f8b2532

  • SHA1

    6a84eb91adb4ec5b3b18929fb5e0bfd39cc41fb2

  • SHA256

    be09ac01404b9a32552b8bea765128a3e197a4bf77e909892d00aa2d157d6871

  • SHA512

    f8b51680dbca520ed6877ca5cc1a003258a03bdd802c69985d658375562608c004084463363c9a2ed92b7552c36ba729b1863a1693990186e0f188ff3cc1ec86

  • SSDEEP

    1536:KOhk60PnYkfH77Xcsg23bH/0cRDrKOyaxPoWvVVZ5ElaSePrpf3n3:HuJ/hRvg2TzEla3PVH

Malware Config

Signatures

  • SmokeLoader

    Modular backdoor trojan in use since 2014.

  • Smokeloader family
  • .NET Reactor proctector 1 IoCs

    Detects an executable protected by an unregistered version of Eziriz's .NET Reactor.

  • Suspicious use of SetThreadContext 1 IoCs
  • 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.

  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.PWS.Lumma.1819.15966.11991.exe
    "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.PWS.Lumma.1819.15966.11991.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4040
    • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.PWS.Lumma.1819.15966.11991.exe
      "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.PWS.Lumma.1819.15966.11991.exe"
      2⤵
      • Checks SCSI registry key(s)
      PID:2684
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4040 -s 820
      2⤵
      • Program crash
      PID:2144
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4040 -ip 4040
    1⤵
      PID:3836

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/2684-5-0x0000000000400000-0x000000000040B000-memory.dmp

      Filesize

      44KB

    • memory/2684-7-0x0000000000400000-0x000000000040B000-memory.dmp

      Filesize

      44KB

    • memory/4040-0-0x00000000749CE000-0x00000000749CF000-memory.dmp

      Filesize

      4KB

    • memory/4040-1-0x00000000007E0000-0x0000000000800000-memory.dmp

      Filesize

      128KB

    • memory/4040-2-0x0000000005800000-0x0000000005DA4000-memory.dmp

      Filesize

      5.6MB

    • memory/4040-3-0x00000000749C0000-0x0000000075170000-memory.dmp

      Filesize

      7.7MB

    • memory/4040-6-0x00000000749C0000-0x0000000075170000-memory.dmp

      Filesize

      7.7MB

    • memory/4040-8-0x00000000749C0000-0x0000000075170000-memory.dmp

      Filesize

      7.7MB