Overview

overview

10

Static

static

3

cryptolaemus

windows10-2004-x64

10

cryptolaemus

windows11-21h2-x64

10

Analysis

  • max time kernel
    146s
  • max time network
    169s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09-05-2024 23:48

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General

  • Target

    27587755ccfed117ac06952e6a9a33752b327a344fac395bb4c3141a069734b2.exe

  • Size

    211KB

  • MD5

    57494a7b70db072a8539e7fb3171e873

  • SHA1

    9c521ea54a1c099c32bea8d9912008fd998a7e73

  • SHA256

    27587755ccfed117ac06952e6a9a33752b327a344fac395bb4c3141a069734b2

  • SHA512

    8609f7f692f9ae9cec51e172ae3f3780a5c2731191c1b8f71cf4b3fb41d649cb892e66aeb610014cbfcc8c4e3b38f58d49f8a76c539c163479a4cd1306de1fef

  • SSDEEP

    3072:G//IweqtWGLkaYCRwG5UfnDjoylmNLhO5Pe7nDY7Yi:dGLk5tvPUL9

Score
10/10
smokeloaderpub1backdoortrojan

Malware Config

Extracted

Family

smokeloader

Botnet

pub1

Extracted

Family

smokeloader

Version

2022

C2

http://trad-einmyus.com/index.php

http://tradein-myus.com/index.php

http://trade-inmyus.com/index.php
rc4.i32
rc4.i32

Signatures

  • SmokeLoader

    Modular backdoor trojan in use since 2014.

    trojanbackdoorsmokeloader
  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
  • Checks SCSI registry key(s) 3 TTPs 6 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: MapViewOfSection 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 8 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\27587755ccfed117ac06952e6a9a33752b327a344fac395bb4c3141a069734b2.exe
    "C:\Users\Admin\AppData\Local\Temp\27587755ccfed117ac06952e6a9a33752b327a344fac395bb4c3141a069734b2.exe"
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    PID:1384
  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4092 --field-trial-handle=2280,i,716736634476467098,11449718822158202904,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:5084
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\F3D1.bat" "
      1⤵
      • Suspicious use of WriteProcessMemory
      PID:3376
      • C:\Windows\system32\reg.exe
        reg add "HKEY_CURRENT_USER\Software\clicker\key" /v primary /t REG_DWORD /d 1
        2⤵
          PID:2344
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\798.bat" "
        1⤵
        • Suspicious use of WriteProcessMemory
        PID:1844
        • C:\Windows\system32\reg.exe
          reg add "HKEY_CURRENT_USER\Software\clicker\key" /v primary /t REG_DWORD /d 1
          2⤵
            PID:4648
        • C:\Users\Admin\AppData\Roaming\jvetjac
          C:\Users\Admin\AppData\Roaming\jvetjac
          1⤵
          • Executes dropped EXE
          • Checks SCSI registry key(s)
          • Suspicious behavior: MapViewOfSection
          PID:4500

        Network

        MITRE ATT&CK Matrix ATT&CK v13

        Initial Access

        Execution

        Persistence

        Privilege Escalation

        Defense Evasion

        Credential Access

        Discovery

        Query Registry

        2
        T1012

        Peripheral Device Discovery

        1
        T1120

        System Information Discovery

        1
        T1082

        Lateral Movement

        Collection

        Exfiltration

        Command and Control

        Web Service

        1
        T1102

        Impact

        Resource Development

        Reconnaissance

        Replay Monitor

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        Downloads

        • C:\Users\Admin\AppData\Local\Temp\F3D1.bat
          Filesize

          77B

          MD5

          55cc761bf3429324e5a0095cab002113

          SHA1

          2cc1ef4542a4e92d4158ab3978425d517fafd16d

          SHA256

          d6cceb3c71b80403364bf142f2fa4624ee0be36a49bac25ed45a497cf1ce9c3a

          SHA512

          33f9f5cad22d291077787c7df510806e4ac31f453d288712595af6debe579fabed6cdf4662e46e6fa94de135b161e739f55cfae05c36c87af85ed6a6ad1c9155

          Download Submit
        • C:\Users\Admin\AppData\Roaming\jvetjac
          Filesize

          211KB

          MD5

          57494a7b70db072a8539e7fb3171e873

          SHA1

          9c521ea54a1c099c32bea8d9912008fd998a7e73

          SHA256

          27587755ccfed117ac06952e6a9a33752b327a344fac395bb4c3141a069734b2

          SHA512

          8609f7f692f9ae9cec51e172ae3f3780a5c2731191c1b8f71cf4b3fb41d649cb892e66aeb610014cbfcc8c4e3b38f58d49f8a76c539c163479a4cd1306de1fef

          Download Submit
        • memory/1384-4-0x0000000000400000-0x0000000002AF2000-memory.dmp
          Filesize

          38.9MB

          Download
        • memory/1384-1-0x0000000002CD0000-0x0000000002DD0000-memory.dmp
          Filesize

          1024KB

          Download
        • memory/1384-10-0x0000000000400000-0x000000000040B000-memory.dmp
          Filesize

          44KB

          Download
        • memory/1384-9-0x0000000002B80000-0x0000000002B8B000-memory.dmp
          Filesize

          44KB

          Download
        • memory/1384-6-0x0000000000400000-0x0000000002AF2000-memory.dmp
          Filesize

          38.9MB

          Download
        • memory/1384-3-0x0000000000400000-0x000000000040B000-memory.dmp
          Filesize

          44KB

          Download
        • memory/1384-2-0x0000000002B80000-0x0000000002B8B000-memory.dmp
          Filesize

          44KB

          Download
        • memory/3336-5-0x0000000002E00000-0x0000000002E16000-memory.dmp
          Filesize

          88KB

          Download
        • memory/3336-26-0x0000000003270000-0x0000000003286000-memory.dmp
          Filesize

          88KB

          Download
        • memory/4500-25-0x0000000000400000-0x0000000002AF2000-memory.dmp
          Filesize

          38.9MB

          Download
        • memory/4500-27-0x0000000000400000-0x0000000002AF2000-memory.dmp
          Filesize

          38.9MB

          Download