Analysis

  • max time kernel
    140s
  • max time network
    127s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240419-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06-05-2024 20:58

General

  • Target

    1412042a6ccbe5ee52ec7c74817c5cc0_NEAS.exe

  • Size

    327KB

  • MD5

    1412042a6ccbe5ee52ec7c74817c5cc0

  • SHA1

    5bddb6875ba766cdd1555822fdaa236077e458b9

  • SHA256

    c5f161d1f09521ff8fad1700cfb59d01122f544a2aca8145ebb031fc900f9830

  • SHA512

    1f0f97c6ffe3871a654e7980d83c56df352e8f1108ca70d22e4191ab9bc1f70b70ba3ec20e7e8ac21dbf8c914dfaa4bb29a95bf6f87572e301f541379899847f

  • SSDEEP

    6144:2nPcZx74kpV067AWfRT0lX/ao/FP7b/a:2nPq74kpVr3fRT4vhb/a

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\1412042a6ccbe5ee52ec7c74817c5cc0_NEAS.exe
    "C:\Users\Admin\AppData\Local\Temp\1412042a6ccbe5ee52ec7c74817c5cc0_NEAS.exe"
    1⤵
    • Checks SCSI registry key(s)
    PID:4432
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4432 -s 352
      2⤵
      • Program crash
      PID:3240
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 4432 -ip 4432
    1⤵
      PID:1164

    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/4432-1-0x0000000001CD0000-0x0000000001DD0000-memory.dmp
      Filesize

      1024KB

    • memory/4432-3-0x0000000000400000-0x000000000040B000-memory.dmp
      Filesize

      44KB

    • memory/4432-2-0x0000000001AA0000-0x0000000001AAB000-memory.dmp
      Filesize

      44KB

    • memory/4432-4-0x0000000000400000-0x0000000001A1B000-memory.dmp
      Filesize

      22.1MB