Overview

overview

10

Static

static

1

NEAS.9b7ae...JC.exe

windows7-x64

10

NEAS.9b7ae...JC.exe

windows10-2004-x64

10

Resubmissions

10/10/2023, 05:12

231010-fwcv7adc37 10

06/10/2023, 20:44

231006-zjec2afh3x 10

Analysis

  • max time kernel
    31s
  • max time network
    39s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230915-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10/10/2023, 05:12

Sharing

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General

  • Target

    NEAS.9b7ae8482f7f91e9ab06c9813ae53b4fa12833952f59040dc3e075de5425ea93_JC.exe

  • Size

    268KB

  • MD5

    5968d720b9cd2970cf2546f24b62291c

  • SHA1

    cf714518e83ec5cdfa584edf793a89bc0c0d4a12

  • SHA256

    9b7ae8482f7f91e9ab06c9813ae53b4fa12833952f59040dc3e075de5425ea93

  • SHA512

    802400078505381ac75c126635ab8de443cf430fe9644c0c9c4268f3c86b15e0715bccc968b69906099de823cd78b0676ce0976c858f7dfae6fec8a47baf665f

  • SSDEEP

    3072:3Wumx+E4+nVWQOxYRrGQ8aofxxGuOpaM6oc/p5/XiwAA3SPuzFE5IVQkjseAg0F/:5mcQCFz5kyocx5/X/3SPl5MAOCbfj06

Score
10/10
smokeloaderbackdoortrojan

Malware Config

Extracted

Family

smokeloader

Version

2022

C2

http://77.91.68.29/fks/

rc4.i32
rc4.i32

Signatures

  • SmokeLoader

    Modular backdoor trojan in use since 2014.

    trojanbackdoorsmokeloader
  • Suspicious use of SetThreadContext 1 IoCs
  • Program crash 1 IoCs
  • Checks SCSI registry key(s) 3 TTPs 3 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

    persistence

Processes

  • C:\Users\Admin\AppData\Local\Temp\NEAS.9b7ae8482f7f91e9ab06c9813ae53b4fa12833952f59040dc3e075de5425ea93_JC.exe
    "C:\Users\Admin\AppData\Local\Temp\NEAS.9b7ae8482f7f91e9ab06c9813ae53b4fa12833952f59040dc3e075de5425ea93_JC.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:3828
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
      2⤵
      • Checks SCSI registry key(s)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      PID:764
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3828 -s 156
      2⤵
      • Program crash
      PID:4696
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 3828 -ip 3828
    1⤵
      PID:4536

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/764-0-0x0000000000400000-0x0000000000409000-memory.dmp

      Filesize

      36KB

      Download

    • memory/764-1-0x0000000000400000-0x0000000000409000-memory.dmp

      Filesize

      36KB

      Download

    • memory/764-3-0x0000000000400000-0x0000000000409000-memory.dmp

      Filesize

      36KB

      Download

    • memory/3180-2-0x0000000002DB0000-0x0000000002DC6000-memory.dmp

      Filesize

      88KB

      Download