Analysis

  • max time kernel
    146s
  • max time network
    153s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240508-en
  • resource tags

    arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    25-06-2024 12:36

General

  • Target

    ef44c393b607093cbb85fee733531b41f56aa03d56d5fd3d4c60e1c0bd3f51dd.exe

  • Size

    322KB

  • MD5

    1bcb9d8ba02bdbe8dcdb08f369228e0b

  • SHA1

    b5e2e532ef2813e0cdbc3e124d7dd90e41495ec0

  • SHA256

    ef44c393b607093cbb85fee733531b41f56aa03d56d5fd3d4c60e1c0bd3f51dd

  • SHA512

    b1892eab7210cdec06d425bce13b7c066cda3863951bbd62f85dd362084c3bd5d35fee428bc46882b8787ae4877f51522665efef79c27e5c7192db9bd5aed298

  • SSDEEP

    3072:cqWLOU/jAxIOG+1o1VFbBFeRC5xat4LtzCX1Ek1EJxTEqS:cBLd/jwFnGNBFau68KNH

Malware Config

Extracted

Family

smokeloader

Botnet

pub1

Signatures

  • SmokeLoader

    Modular backdoor trojan in use since 2014.

  • Program crash 1 IoCs
  • 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\ef44c393b607093cbb85fee733531b41f56aa03d56d5fd3d4c60e1c0bd3f51dd.exe
    "C:\Users\Admin\AppData\Local\Temp\ef44c393b607093cbb85fee733531b41f56aa03d56d5fd3d4c60e1c0bd3f51dd.exe"
    1⤵
    • Checks SCSI registry key(s)
    PID:3764
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3764 -s 408
      2⤵
      • Program crash
      PID:2160
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 3764 -ip 3764
    1⤵
      PID:4380

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/3764-1-0x0000000002AA0000-0x0000000002BA0000-memory.dmp

      Filesize

      1024KB

    • memory/3764-3-0x0000000000400000-0x000000000040B000-memory.dmp

      Filesize

      44KB

    • memory/3764-2-0x0000000004340000-0x000000000434B000-memory.dmp

      Filesize

      44KB

    • memory/3764-4-0x0000000000400000-0x000000000273D000-memory.dmp

      Filesize

      35.2MB