Overview

overview

10

Static

static

3

a95bc0eeb6...3b.exe

windows7-x64

10

a95bc0eeb6...3b.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    132s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    17-04-2024 14:27

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General

  • Target

    a95bc0eeb6c005214eed09c7a26a9b148bea237838cc3544ea2070076b8e893b.exe

  • Size

    233KB

  • MD5

    36c3af072c2fcd97d5815cf8dd15027f

  • SHA1

    36e732bc75dbb1d262c163c9b9561ac42fb0c430

  • SHA256

    a95bc0eeb6c005214eed09c7a26a9b148bea237838cc3544ea2070076b8e893b

  • SHA512

    16a6d4c39b79e9e8ffc35b5562837141ecf8c05059b626aa8d6e56e295fbcaf6c5f7d2cc4b210b2524c98c64207295b4ad3be9b56fada32a745c6e05ab55733d

  • SSDEEP

    3072:QOwPX0z03zFWn4ZYBmb6H4IU0htFBDDwyIK0Y1aP8AXMsS518anEQwug3JB:E9FW4yH3UGtvUjq7q

Score
10/10
smokeloaderpub1backdoorpersistencetrojanvmprotect

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
  • Downloads MZ/PE file
  • Modifies Installed Components in the registry 2 TTPs 2 IoCs
    persistence
  • Deletes itself 1 IoCs
  • Executes dropped EXE 2 IoCs
  • VMProtect packed file 4 IoCs

    Detects executables packed with VMProtect commercial packer.

    vmprotect
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
  • Drops file in Windows directory 2 IoCs
  • Checks SCSI registry key(s) 3 TTPs 6 IoCs

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

  • Modifies registry class 10 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 2 IoCs
  • Suspicious behavior: MapViewOfSection 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 24 IoCs
  • Suspicious use of FindShellTrayWindow 57 IoCs
  • Suspicious use of SendNotifyMessage 39 IoCs
  • Suspicious use of WriteProcessMemory 20 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\a95bc0eeb6c005214eed09c7a26a9b148bea237838cc3544ea2070076b8e893b.exe
    "C:\Users\Admin\AppData\Local\Temp\a95bc0eeb6c005214eed09c7a26a9b148bea237838cc3544ea2070076b8e893b.exe"
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    PID:2224
  • C:\Windows\system32\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\9A7B.bat" "
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2620
    • C:\Windows\system32\reg.exe
      reg add "HKEY_CURRENT_USER\Software\clicker\key" /v primary /t REG_DWORD /d 1
      2⤵
        PID:2424
    • C:\Users\Admin\AppData\Local\Temp\F76A.exe
      C:\Users\Admin\AppData\Local\Temp\F76A.exe
      1⤵
      • Executes dropped EXE
      PID:2868
    • C:\Windows\system32\cmd.exe
      cmd /c ""C:\Users\Admin\AppData\Local\Temp\189.bat" "
      1⤵
      • Suspicious use of WriteProcessMemory
      PID:2480
      • C:\Windows\system32\reg.exe
        reg add "HKEY_CURRENT_USER\Software\clicker\key" /v primary /t REG_DWORD /d 1
        2⤵
          PID:2720
      • C:\Windows\explorer.exe
        explorer.exe
        1⤵
        • Modifies Installed Components in the registry
        • Drops file in Windows directory
        • Modifies registry class
        • Suspicious behavior: GetForegroundWindowSpam
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        PID:1196
      • C:\Windows\system32\taskeng.exe
        taskeng.exe {B1D5A434-8E75-4247-83AB-4CE4839330D6} S-1-5-21-1658372521-4246568289-2509113762-1000:PIRBKNPS\Admin:Interactive:[1]
        1⤵
        • Suspicious use of WriteProcessMemory
        PID:2748
        • C:\Users\Admin\AppData\Roaming\ejvhvdu
          C:\Users\Admin\AppData\Roaming\ejvhvdu
          2⤵
          • Executes dropped EXE
          • Checks SCSI registry key(s)
          • Suspicious behavior: MapViewOfSection
          PID:2804
      • C:\Windows\explorer.exe
        explorer.exe
        1⤵
        • Modifies Installed Components in the registry
        • Drops file in Windows directory
        • Modifies registry class
        • Suspicious behavior: GetForegroundWindowSpam
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        PID:3036

      Network

      MITRE ATT&CK Enterprise v15

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      Downloads

      • C:\Users\Admin\AppData\Local\Temp\9A7B.bat
        Filesize

        77B

        MD5

        55cc761bf3429324e5a0095cab002113

        SHA1

        2cc1ef4542a4e92d4158ab3978425d517fafd16d

        SHA256

        d6cceb3c71b80403364bf142f2fa4624ee0be36a49bac25ed45a497cf1ce9c3a

        SHA512

        33f9f5cad22d291077787c7df510806e4ac31f453d288712595af6debe579fabed6cdf4662e46e6fa94de135b161e739f55cfae05c36c87af85ed6a6ad1c9155

        Download Submit
      • C:\Users\Admin\AppData\Local\Temp\F76A.exe
        Filesize

        5.5MB

        MD5

        3d03e50e7acc908a73cac1928347d0c7

        SHA1

        8c059a014a22d80ebbccdd2e3a3bc1e8933fd696

        SHA256

        fd6158af16fde7ad1e8152d53991bedf566b38f54266f0f03c5c73560e486568

        SHA512

        4bf7585d6feddffa6bf865335a9995f354afad3cd331172de194e0a9ac4431651ecc6a2b0aaeb3cb2d29bb95698d1de04fd0bed74ceff1c043151b1f4af8b266

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

        233KB

        MD5

        36c3af072c2fcd97d5815cf8dd15027f

        SHA1

        36e732bc75dbb1d262c163c9b9561ac42fb0c430

        SHA256

        a95bc0eeb6c005214eed09c7a26a9b148bea237838cc3544ea2070076b8e893b

        SHA512

        16a6d4c39b79e9e8ffc35b5562837141ecf8c05059b626aa8d6e56e295fbcaf6c5f7d2cc4b210b2524c98c64207295b4ad3be9b56fada32a745c6e05ab55733d

        Download Submit
      • memory/1196-58-0x00000000040B0000-0x00000000040B1000-memory.dmp
        Filesize

        4KB

        Download
      • memory/1196-59-0x0000000004690000-0x00000000046A6000-memory.dmp
        Filesize

        88KB

        Download
      • memory/1196-52-0x00000000040B0000-0x00000000040B1000-memory.dmp
        Filesize

        4KB

        Download
      • memory/1240-4-0x0000000002210000-0x0000000002226000-memory.dmp
        Filesize

        88KB

        Download
      • memory/1240-51-0x00000000021E0000-0x00000000021E1000-memory.dmp
        Filesize

        4KB

        Download
      • memory/2224-8-0x0000000000220000-0x000000000022B000-memory.dmp
        Filesize

        44KB

        Download
      • memory/2224-5-0x0000000000400000-0x000000000044A000-memory.dmp
        Filesize

        296KB

        Download
      • memory/2224-3-0x0000000000400000-0x000000000044A000-memory.dmp
        Filesize

        296KB

        Download
      • memory/2224-2-0x0000000000220000-0x000000000022B000-memory.dmp
        Filesize

        44KB

        Download
      • memory/2224-1-0x0000000000590000-0x0000000000690000-memory.dmp
        Filesize

        1024KB

        Download
      • memory/2804-56-0x0000000000580000-0x0000000000680000-memory.dmp
        Filesize

        1024KB

        Download
      • memory/2804-57-0x0000000000400000-0x000000000044A000-memory.dmp
        Filesize

        296KB

        Download
      • memory/2804-60-0x0000000000400000-0x000000000044A000-memory.dmp
        Filesize

        296KB

        Download
      • memory/2868-46-0x0000000000010000-0x00000000008FE000-memory.dmp
        Filesize

        8.9MB

        Download
      • memory/2868-35-0x0000000077410000-0x0000000077411000-memory.dmp
        Filesize

        4KB

        Download
      • memory/2868-34-0x00000000009E0000-0x00000000009E1000-memory.dmp
        Filesize

        4KB

        Download
      • memory/2868-31-0x00000000009E0000-0x00000000009E1000-memory.dmp
        Filesize

        4KB

        Download
      • memory/2868-32-0x0000000000010000-0x00000000008FE000-memory.dmp
        Filesize

        8.9MB

        Download
      • memory/2868-28-0x00000000009E0000-0x00000000009E1000-memory.dmp
        Filesize

        4KB

        Download
      • memory/2868-29-0x0000000000010000-0x00000000008FE000-memory.dmp
        Filesize

        8.9MB

        Download
      • memory/3036-66-0x0000000003E80000-0x0000000003E81000-memory.dmp
        Filesize

        4KB

        Download
      • memory/3036-67-0x0000000003E80000-0x0000000003E81000-memory.dmp
        Filesize

        4KB

        Download