Analysis

  • max time kernel
    283s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    09-05-2024 23:43

General

  • Target

    f9ceaad4e66d59eab8c60ad5dbc132ee4cd68e6cf77f4316f7940faea1d1771b.exe

  • Size

    232KB

  • MD5

    87ca81715f8e2d8c805a22aa9d5f6b17

  • SHA1

    6c7ac9d8aae7062a81bd0bc1b92b15c7c59f46ed

  • SHA256

    f9ceaad4e66d59eab8c60ad5dbc132ee4cd68e6cf77f4316f7940faea1d1771b

  • SHA512

    36e879ea372ab95190114ce624ff508d0a39000dda1abd76306e7ad7dbd454587d9a490261d56d49844a72f6d1a9ac8e7be331792da08161caad623c1f7a6967

  • SSDEEP

    3072:c3ICGe1HQfXHZYauXz88bNnij5D+u3Gh:gIZeQwj88bJh

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.

  • Modifies Installed Components in the registry 2 TTPs 1 IoCs
  • 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 32 IoCs
  • Suspicious use of SendNotifyMessage 25 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.

Processes

  • C:\Users\Admin\AppData\Local\Temp\f9ceaad4e66d59eab8c60ad5dbc132ee4cd68e6cf77f4316f7940faea1d1771b.exe
    "C:\Users\Admin\AppData\Local\Temp\f9ceaad4e66d59eab8c60ad5dbc132ee4cd68e6cf77f4316f7940faea1d1771b.exe"
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    PID:3020
  • C:\Windows\system32\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\7629.bat" "
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2708
    • C:\Windows\system32\reg.exe
      reg add "HKEY_CURRENT_USER\Software\clicker\key" /v primary /t REG_DWORD /d 1
      2⤵
        PID:2572
    • C:\Windows\system32\cmd.exe
      cmd /c ""C:\Users\Admin\AppData\Local\Temp\8566.bat" "
      1⤵
      • Suspicious use of WriteProcessMemory
      PID:2640
      • C:\Windows\system32\reg.exe
        reg add "HKEY_CURRENT_USER\Software\clicker\key" /v primary /t REG_DWORD /d 1
        2⤵
          PID:2468
      • 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:1476

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Temp\7629.bat

        Filesize

        77B

        MD5

        55cc761bf3429324e5a0095cab002113

        SHA1

        2cc1ef4542a4e92d4158ab3978425d517fafd16d

        SHA256

        d6cceb3c71b80403364bf142f2fa4624ee0be36a49bac25ed45a497cf1ce9c3a

        SHA512

        33f9f5cad22d291077787c7df510806e4ac31f453d288712595af6debe579fabed6cdf4662e46e6fa94de135b161e739f55cfae05c36c87af85ed6a6ad1c9155

      • memory/1192-4-0x0000000002550000-0x0000000002566000-memory.dmp

        Filesize

        88KB

      • memory/1192-32-0x0000000002520000-0x0000000002521000-memory.dmp

        Filesize

        4KB

      • memory/1476-38-0x0000000002960000-0x0000000002970000-memory.dmp

        Filesize

        64KB

      • memory/3020-3-0x0000000000400000-0x000000000040B000-memory.dmp

        Filesize

        44KB

      • memory/3020-2-0x00000000001B0000-0x00000000001BB000-memory.dmp

        Filesize

        44KB

      • memory/3020-1-0x00000000002B0000-0x00000000003B0000-memory.dmp

        Filesize

        1024KB

      • memory/3020-8-0x0000000000400000-0x000000000040B000-memory.dmp

        Filesize

        44KB

      • memory/3020-5-0x0000000000400000-0x0000000002AF7000-memory.dmp

        Filesize

        39.0MB