Analysis

  • max time kernel
    147s
  • max time network
    151s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240426-en
  • resource tags

    arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    29-05-2024 15:23

General

  • Target

    1f07863cf0f1e4e5c1cbc51e1a2937b35bc3209feda48cd8bdb35a80efefd832.exe

  • Size

    262KB

  • MD5

    e07051df33de924da06fdef0ff36be37

  • SHA1

    1b0da6776333a82910c10d3436d71c072ebe87d0

  • SHA256

    1f07863cf0f1e4e5c1cbc51e1a2937b35bc3209feda48cd8bdb35a80efefd832

  • SHA512

    08ba579cbcdebcbf8d1814aa064d9e3ea9ae360d09eb8bff4e6d35976dff26ed030b981ffc6be0163cd22701a911ccfeafd907e49da1cb2aaee14745a03b60dc

  • SSDEEP

    3072:8K5eJo6bxHwKUU+6oexYjS6us5WgMoNumh:84eC6dHwDW6jS6Ig3umh

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\1f07863cf0f1e4e5c1cbc51e1a2937b35bc3209feda48cd8bdb35a80efefd832.exe
    "C:\Users\Admin\AppData\Local\Temp\1f07863cf0f1e4e5c1cbc51e1a2937b35bc3209feda48cd8bdb35a80efefd832.exe"
    1⤵
    • Checks SCSI registry key(s)
    PID:3932
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3932 -s 384
      2⤵
      • Program crash
      PID:3956
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 3932 -ip 3932
    1⤵
      PID:2660

    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/3932-3-0x0000000000400000-0x000000000040B000-memory.dmp
      Filesize

      44KB

    • memory/3932-2-0x00000000023F0000-0x00000000023FB000-memory.dmp
      Filesize

      44KB

    • memory/3932-1-0x00000000020E0000-0x00000000021E0000-memory.dmp
      Filesize

      1024KB

    • memory/3932-4-0x0000000000400000-0x0000000001F8E000-memory.dmp
      Filesize

      27.6MB