Analysis

  • max time kernel
    300s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240220-en
  • resource tags

    arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-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 1 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SendNotifyMessage 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

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:2292
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {B1F5BD5C-BD82-49D5-A8B3-9FA3A63BBB4C} S-1-5-21-2721934792-624042501-2768869379-1000:BISMIZHX\Admin:Interactive:[1]
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:348
    • C:\Users\Admin\AppData\Roaming\cdjswab
      C:\Users\Admin\AppData\Roaming\cdjswab
      2⤵
      • Executes dropped EXE
      • Checks SCSI registry key(s)
      • Suspicious behavior: MapViewOfSection
      PID:2792

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    214KB

    MD5

    24e4c36f839b0e30e8bdad2571403918

    SHA1

    bb1132c794c8cd67aff3cd78ea0c00296cb0bdcf

    SHA256

    1cce3920d92add36243abaa69056c5fbbdb5ed05af6c379ae1a6f1b28c2e8642

    SHA512

    2cd0abfcfb774856a6b7dbe094e18fee19ca4a814448ddec9388442471bac75299de89fe46ad17950e970403babafb3cbd43e62e003a513621842be87f19db40

  • memory/1208-4-0x0000000002D40000-0x0000000002D56000-memory.dmp

    Filesize

    88KB

  • memory/1208-16-0x0000000002EF0000-0x0000000002F06000-memory.dmp

    Filesize

    88KB

  • memory/2292-1-0x0000000002EF0000-0x0000000002FF0000-memory.dmp

    Filesize

    1024KB

  • memory/2292-2-0x0000000000220000-0x000000000022B000-memory.dmp

    Filesize

    44KB

  • memory/2292-3-0x0000000000400000-0x0000000002D35000-memory.dmp

    Filesize

    41.2MB

  • memory/2292-5-0x0000000000400000-0x0000000002D35000-memory.dmp

    Filesize

    41.2MB

  • memory/2792-14-0x00000000002D0000-0x00000000003D0000-memory.dmp

    Filesize

    1024KB

  • memory/2792-15-0x0000000000400000-0x0000000002D35000-memory.dmp

    Filesize

    41.2MB

  • memory/2792-17-0x0000000000400000-0x0000000002D35000-memory.dmp

    Filesize

    41.2MB