Analysis

  • max time kernel
    146s
  • max time network
    150s
  • 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 20:01

General

  • Target

    7bb6835b582ad6d41c4aaa378a6bb8e2a23cf69174e0262df8405f2a1031c636.exe

  • Size

    305KB

  • MD5

    479b189bfe83f71526321ab6e98d20ec

  • SHA1

    cc6584c77c646a1d0e5a8a95e5cc89cffa885c1c

  • SHA256

    7bb6835b582ad6d41c4aaa378a6bb8e2a23cf69174e0262df8405f2a1031c636

  • SHA512

    be5f07daa0bcbe6975d9c2eeaab2dfe051e6e5bd1475259e9aaf0e99a90e079a874aba484a2bd6c132ca7118db4de68593f03ae4865d20dc5bb655d076af0d2e

  • SSDEEP

    3072:zNGLnopAUPkcrkvl/Yy7bhAoUhfA5bt4LtjrI1Ek1EVxTEqS:0LopZP2lwy7bhTUhfU8jWNz

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\7bb6835b582ad6d41c4aaa378a6bb8e2a23cf69174e0262df8405f2a1031c636.exe
    "C:\Users\Admin\AppData\Local\Temp\7bb6835b582ad6d41c4aaa378a6bb8e2a23cf69174e0262df8405f2a1031c636.exe"
    1⤵
    • Checks SCSI registry key(s)
    PID:5044
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 5044 -s 484
      2⤵
      • Program crash
      PID:4200
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 5044 -ip 5044
    1⤵
      PID:3968

    Network

    MITRE ATT&CK Matrix ATT&CK v13

    Discovery

    Query Registry

    1
    T1012

    Peripheral Device Discovery

    1
    T1120

    System Information Discovery

    1
    T1082

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/5044-1-0x00000000025A0000-0x00000000026A0000-memory.dmp
      Filesize

      1024KB

    • memory/5044-3-0x0000000000400000-0x000000000040B000-memory.dmp
      Filesize

      44KB

    • memory/5044-2-0x0000000002590000-0x000000000259B000-memory.dmp
      Filesize

      44KB

    • memory/5044-4-0x0000000000400000-0x0000000002368000-memory.dmp
      Filesize

      31.4MB