Analysis

  • max time kernel
    90s
  • max time network
    95s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240419-en
  • resource tags

    arch:x64arch:x86image:win11-20240419-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    01-05-2024 23:42

General

  • Target

    9fdf6c13fd9e9fe238b159a2489f4854c2b8763058965f65cb15160407c8514d.exe

  • Size

    261KB

  • MD5

    510968105e6edfc2adc6e56292a527e4

  • SHA1

    02d0166dabd111eb69e186a43566b7af74cbc01f

  • SHA256

    9fdf6c13fd9e9fe238b159a2489f4854c2b8763058965f65cb15160407c8514d

  • SHA512

    8ee2a0d813c80d99471de0b9019129793b9bbdc818e134852be18582b8349e3a7bf456726e8be9a0428a3e4747a2a1ff6b7d905475d2c3c54b9c26f59d0361e0

  • SSDEEP

    3072:n/GmnnLJhpEpAV2xjezbY5Be29eg1T/dO:n/GmnnLTpEY8e29lt/w

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\9fdf6c13fd9e9fe238b159a2489f4854c2b8763058965f65cb15160407c8514d.exe
    "C:\Users\Admin\AppData\Local\Temp\9fdf6c13fd9e9fe238b159a2489f4854c2b8763058965f65cb15160407c8514d.exe"
    1⤵
    • Checks SCSI registry key(s)
    PID:2228
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2228 -s 384
      2⤵
      • Program crash
      PID:3524
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 2228 -ip 2228
    1⤵
      PID:4852

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/2228-2-0x0000000002F60000-0x0000000002F6B000-memory.dmp

      Filesize

      44KB

    • memory/2228-1-0x0000000002BB0000-0x0000000002CB0000-memory.dmp

      Filesize

      1024KB

    • memory/2228-3-0x0000000000400000-0x000000000040B000-memory.dmp

      Filesize

      44KB

    • memory/2228-5-0x0000000000400000-0x000000000040B000-memory.dmp

      Filesize

      44KB

    • memory/2228-4-0x0000000000400000-0x0000000002AFF000-memory.dmp

      Filesize

      39.0MB