Analysis

  • max time kernel
    92s
  • max time network
    94s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240426-en
  • resource tags

    arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    24-05-2024 12:47

General

  • Target

    71480fc81a1e0eb85d94e08b31fa257204200371c01fbc3cbf7c45a622e66da3.exe

  • Size

    219KB

  • MD5

    503e59094f106fd25a0a6193d7556cdc

  • SHA1

    f255f91c7d8fc94e4ec265b9ae5d2752c66b8fa2

  • SHA256

    71480fc81a1e0eb85d94e08b31fa257204200371c01fbc3cbf7c45a622e66da3

  • SHA512

    99d73876925ad80afbdecb675b911a4043e146fa4a5370444467cf3532d228d702131c4e0d57be897e08adb42b20a4e8d3069274a14a4c2ae1035e0ef54c80fa

  • SSDEEP

    3072:Wu5cM9Mh1cHctcQI041+TBhLyRd5rZmSUZ1ivIRFC2sx++cQN/pLpay:CM9bscR00+85rZfUDivIzy+BCh

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\71480fc81a1e0eb85d94e08b31fa257204200371c01fbc3cbf7c45a622e66da3.exe
    "C:\Users\Admin\AppData\Local\Temp\71480fc81a1e0eb85d94e08b31fa257204200371c01fbc3cbf7c45a622e66da3.exe"
    1⤵
    • Checks SCSI registry key(s)
    PID:1260
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1260 -s 384
      2⤵
      • Program crash
      PID:1992
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 1260 -ip 1260
    1⤵
      PID:3052

    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/1260-1-0x0000000002F00000-0x0000000003000000-memory.dmp
      Filesize

      1024KB

    • memory/1260-3-0x0000000000400000-0x000000000040B000-memory.dmp
      Filesize

      44KB

    • memory/1260-2-0x00000000049A0000-0x00000000049AB000-memory.dmp
      Filesize

      44KB

    • memory/1260-4-0x0000000000400000-0x0000000002C96000-memory.dmp
      Filesize

      40.6MB