Analysis

  • max time kernel
    300s
  • max time network
    280s
  • platform
    windows10-1703_x64
  • resource
    win10-20240214-en
  • resource tags

    arch:x64arch:x86image:win10-20240214-enlocale:en-usos:windows10-1703-x64system
  • submitted
    22-02-2024 04:47

General

  • Target

    1cce3920d92add36243abaa69056c5fbbdb5ed05af6c379ae1a6f1b28c2e8642.exe

  • Size

    214KB

  • MD5

    24e4c36f839b0e30e8bdad2571403918

  • SHA1

    bb1132c794c8cd67aff3cd78ea0c00296cb0bdcf

  • SHA256

    1cce3920d92add36243abaa69056c5fbbdb5ed05af6c379ae1a6f1b28c2e8642

  • SHA512

    2cd0abfcfb774856a6b7dbe094e18fee19ca4a814448ddec9388442471bac75299de89fe46ad17950e970403babafb3cbd43e62e003a513621842be87f19db40

  • SSDEEP

    3072:4WC/TP273C7QR2GkQZg7eOtFW7tE7dFoHhSIK5JIV:RT73X2GkQZz4FQtGdof6I

Malware Config

Extracted

Family

smokeloader

Botnet

pub3

Extracted

Family

smokeloader

Version

2022

C2

http://sjyey.com/tmp/index.php

http://babonwo.ru/tmp/index.php

http://mth.com.ua/tmp/index.php

http://piratia.pw/tmp/index.php

http://go-piratia.ru/tmp/index.php

rc4.i32
rc4.i32

Signatures

  • SmokeLoader

    Modular backdoor trojan in use since 2014.

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 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
  • 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\1cce3920d92add36243abaa69056c5fbbdb5ed05af6c379ae1a6f1b28c2e8642.exe
    "C:\Users\Admin\AppData\Local\Temp\1cce3920d92add36243abaa69056c5fbbdb5ed05af6c379ae1a6f1b28c2e8642.exe"
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    PID:1136
  • C:\Users\Admin\AppData\Roaming\fvtwdij
    C:\Users\Admin\AppData\Roaming\fvtwdij
    1⤵
    • Executes dropped EXE
    • Checks SCSI registry key(s)
    • Suspicious behavior: MapViewOfSection
    PID:2068

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Roaming\fvtwdij

    Filesize

    214KB

    MD5

    24e4c36f839b0e30e8bdad2571403918

    SHA1

    bb1132c794c8cd67aff3cd78ea0c00296cb0bdcf

    SHA256

    1cce3920d92add36243abaa69056c5fbbdb5ed05af6c379ae1a6f1b28c2e8642

    SHA512

    2cd0abfcfb774856a6b7dbe094e18fee19ca4a814448ddec9388442471bac75299de89fe46ad17950e970403babafb3cbd43e62e003a513621842be87f19db40

  • memory/1136-1-0x0000000002F40000-0x0000000003040000-memory.dmp

    Filesize

    1024KB

  • memory/1136-2-0x0000000002E70000-0x0000000002E7B000-memory.dmp

    Filesize

    44KB

  • memory/1136-3-0x0000000000400000-0x0000000002D35000-memory.dmp

    Filesize

    41.2MB

  • memory/1136-5-0x0000000000400000-0x0000000002D35000-memory.dmp

    Filesize

    41.2MB

  • memory/2068-14-0x0000000002D60000-0x0000000002E60000-memory.dmp

    Filesize

    1024KB

  • memory/2068-15-0x0000000000400000-0x0000000002D35000-memory.dmp

    Filesize

    41.2MB

  • memory/2068-19-0x0000000000400000-0x0000000002D35000-memory.dmp

    Filesize

    41.2MB

  • memory/3296-4-0x0000000001040000-0x0000000001056000-memory.dmp

    Filesize

    88KB

  • memory/3296-16-0x0000000002950000-0x0000000002966000-memory.dmp

    Filesize

    88KB