Overview

overview

10

Static

static

3

a26ae7e451...43.exe

windows7-x64

10

a26ae7e451...43.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    127s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240220-en
  • resource tags

    arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
  • submitted
    19-05-2024 08:10

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General

  • Target

    a26ae7e4512744e5b4fd634374ab9ad4ba200a346ef5825b45f1db7caa416c43.exe

  • Size

    188KB

  • MD5

    843754146d2c72fb332985f7a5cfab38

  • SHA1

    a40a6fdfa57406c86bd2dc454f868a40a5a4e4df

  • SHA256

    a26ae7e4512744e5b4fd634374ab9ad4ba200a346ef5825b45f1db7caa416c43

  • SHA512

    2994c8475dcd8c5d82505111f1f3a43ba7c976a9c28b65892fe7f51d5b148981c73d8b971dedf9ec2fcac7c223509c2b61f6dd2129290812d7a9f414ffbeae70

  • SSDEEP

    1536:Qei7HziSWtkjAIueNPuq5NG6UYfrie9oQlLTCWwZIy/9cWDScjj/rX5IDQc9j9e1:ImeP5NnUWxTsHaWDSm5ID

Score
10/10
smokeloaderpub1backdoorpersistencetrojan

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
  • Modifies Installed Components in the registry 2 TTPs 1 IoCs
    persistence
  • Deletes itself 1 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
  • Checks SCSI registry key(s) 3 TTPs 3 IoCs

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

  • Modifies registry class 5 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 12 IoCs
  • Suspicious use of FindShellTrayWindow 28 IoCs
  • Suspicious use of SendNotifyMessage 22 IoCs
  • Suspicious use of WriteProcessMemory 12 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\a26ae7e4512744e5b4fd634374ab9ad4ba200a346ef5825b45f1db7caa416c43.exe
    "C:\Users\Admin\AppData\Local\Temp\a26ae7e4512744e5b4fd634374ab9ad4ba200a346ef5825b45f1db7caa416c43.exe"
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    PID:840
  • C:\Windows\system32\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\674B.bat" "
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2604
    • C:\Windows\system32\reg.exe
      reg add "HKEY_CURRENT_USER\Software\clicker\key" /v primary /t REG_DWORD /d 1
      2⤵
        PID:2544
    • C:\Windows\system32\cmd.exe
      cmd /c ""C:\Users\Admin\AppData\Local\Temp\7B1A.bat" "
      1⤵
      • Suspicious use of WriteProcessMemory
      PID:2612
      • C:\Windows\system32\reg.exe
        reg add "HKEY_CURRENT_USER\Software\clicker\key" /v primary /t REG_DWORD /d 1
        2⤵
          PID:2564
      • C:\Windows\explorer.exe
        explorer.exe
        1⤵
        • Modifies Installed Components in the registry
        • Modifies registry class
        • Suspicious behavior: GetForegroundWindowSpam
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        PID:1648

      Network

      MITRE ATT&CK Matrix ATT&CK v13

      Initial Access

      Execution

      Persistence

      Boot or Logon Autostart Execution

      1
      T1547

      Registry Run Keys / Startup Folder

      1
      T1547.001

      Privilege Escalation

      Boot or Logon Autostart Execution

      1
      T1547

      Registry Run Keys / Startup Folder

      1
      T1547.001

      Defense Evasion

      Modify Registry

      1
      T1112

      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

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Temp\674B.bat
        Filesize

        77B

        MD5

        55cc761bf3429324e5a0095cab002113

        SHA1

        2cc1ef4542a4e92d4158ab3978425d517fafd16d

        SHA256

        d6cceb3c71b80403364bf142f2fa4624ee0be36a49bac25ed45a497cf1ce9c3a

        SHA512

        33f9f5cad22d291077787c7df510806e4ac31f453d288712595af6debe579fabed6cdf4662e46e6fa94de135b161e739f55cfae05c36c87af85ed6a6ad1c9155

        Download Submit
      • memory/840-1-0x00000000023E0000-0x00000000024E0000-memory.dmp
        Filesize

        1024KB

        Download
      • memory/840-3-0x0000000000400000-0x000000000040B000-memory.dmp
        Filesize

        44KB

        Download
      • memory/840-2-0x00000000003C0000-0x00000000003CB000-memory.dmp
        Filesize

        44KB

        Download
      • memory/840-8-0x0000000000400000-0x000000000040B000-memory.dmp
        Filesize

        44KB

        Download
      • memory/840-5-0x0000000000400000-0x0000000001F7A000-memory.dmp
        Filesize

        27.5MB

        Download
      • memory/1196-4-0x0000000002DE0000-0x0000000002DF6000-memory.dmp
        Filesize

        88KB

        Download
      • memory/1196-30-0x0000000002DB0000-0x0000000002DB1000-memory.dmp
        Filesize

        4KB

        Download