Analysis

  • max time kernel
    146s
  • max time network
    151s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240419-en
  • resource tags

    arch:x64arch:x86image:win11-20240419-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    07-05-2024 09:12

General

  • Target

    44dcecdd789e625dd5a9fca1cbe8387a7a67ac3569bfa8ebe47cd2c32259a046.exe

  • Size

    208KB

  • MD5

    026d553f5e3ef3ed1a2a1203f5806b82

  • SHA1

    b16b54fc00bcb81e20ff70d5e548c6d114325201

  • SHA256

    44dcecdd789e625dd5a9fca1cbe8387a7a67ac3569bfa8ebe47cd2c32259a046

  • SHA512

    7e8dd6c9c2603bb596cf6ff9636fd7950a91d09c2d0c17b7c43c7fba8264325cbc3461f4cb909a565db0bb0d4af9f1e1a607071adf71e378e3f8f774c354e721

  • SSDEEP

    1536:Kn/jNU5+17bkbMb92dG+OKGSNkN7u0mDdsJTqjFKmE3QIDBF/5B8V2y1IvM:exb9UGwGMkU0gdsJesmE3dDL/5B8cc

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\44dcecdd789e625dd5a9fca1cbe8387a7a67ac3569bfa8ebe47cd2c32259a046.exe
    "C:\Users\Admin\AppData\Local\Temp\44dcecdd789e625dd5a9fca1cbe8387a7a67ac3569bfa8ebe47cd2c32259a046.exe"
    1⤵
    • Checks SCSI registry key(s)
    PID:4888
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4888 -s 384
      2⤵
      • Program crash
      PID:3812
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 4888 -ip 4888
    1⤵
      PID:3440

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/4888-3-0x0000000000400000-0x000000000040B000-memory.dmp

      Filesize

      44KB

    • memory/4888-2-0x0000000002C00000-0x0000000002C0B000-memory.dmp

      Filesize

      44KB

    • memory/4888-1-0x0000000002D10000-0x0000000002E10000-memory.dmp

      Filesize

      1024KB

    • memory/4888-4-0x0000000000400000-0x0000000002AF2000-memory.dmp

      Filesize

      38.9MB