Analysis

  • max time kernel
    147s
  • max time network
    150s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240419-en
  • resource tags

    arch:x64arch:x86image:win11-20240419-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    30-04-2024 12:05

General

  • Target

    evil.exe

  • Size

    308KB

  • MD5

    981a16f869870ee1c0273baf1656eeef

  • SHA1

    a0cb6edf86672b940adad09a92a49eee5b31dd0b

  • SHA256

    c60dcba82bf60752e7a1b23c5f25c92b60304bc8bf7d617824611b900850950f

  • SHA512

    e0949cec374f9f6c4af0778320d0949af0bd7356be75906d98f106f444d8ac0ded26ee5648ba2285a5608d1e3b0c1caa999ad72b2cac8498c94cd2bb2253955e

  • SSDEEP

    3072:YDdp3bCwma6dld4n6tG78NyMEtFS8dt/MrnFLDc01AiUyjL1bOl:Yp3bVmvnd4648NyPFPj6DCqJK

Malware Config

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\evil.exe
    "C:\Users\Admin\AppData\Local\Temp\evil.exe"
    1⤵
    • Checks SCSI registry key(s)
    PID:4276
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4276 -s 384
      2⤵
      • Program crash
      PID:3748
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 4276 -ip 4276
    1⤵
      PID:4468

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/4276-2-0x00000000026F0000-0x00000000026F9000-memory.dmp

      Filesize

      36KB

    • memory/4276-1-0x0000000002800000-0x0000000002900000-memory.dmp

      Filesize

      1024KB

    • memory/4276-3-0x0000000000400000-0x000000000259F000-memory.dmp

      Filesize

      33.6MB