Overview

overview

10

Static

static

3

pax_389.bin.exe

windows7-x64

10

pax_389.bin.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    02/01/2024, 23:07

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General

  • Target
    pax_389.bin.exe
  • Size 223KB
  • Sample240102-233wvaech8
  • SHA256 a8a3130c779904e23b50d69b4e73a714b345e296feebb9f64a732d5c73e7973b
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
smokeloaderbackdoortrojan

Malware Config

Extracted

Family

  • smokeloader

Version

  • 2022

C2

  • http://dublebomber.ru/

  • http://yavasponimayu.ru/

  • http://nomnetozhedenyuzhkanuzhna.ru/

  • http://prostosmeritesya.ru/

  • http://ipoluchayteudovolstvie.ru/

  • http://super777bomba.ru/

  • http://specnaznachenie.ru/

  • http://zakrylki809.ru/

  • http://propertyminsk.by/

  • http://iloveua.ir/

  • http://moyabelorussiya.by/

  • http://tvoyaradostetoya.ru/

  • http://zasadacafe.by/

  • http://restmantra.by/

  • http://kozachok777.ru/

  • http://propertyiran.ir/

  • http://sakentoshi.ru/

  • http://popuasyfromua.ru/

  • http://diplombar.by/

rc4.i32
rc4.i32

Signatures

  • SmokeLoader

    Modular backdoor trojan in use since 2014.

    trojanbackdoorsmokeloader
  • 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 WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\pax_389.bin.exe
    "C:\Users\Admin\AppData\Local\Temp\pax_389.bin.exe"
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    PID:2444
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {5217966D-C28D-4481-8497-BF2A00E5191E} S-1-5-21-3601492379-692465709-652514833-1000:CALKHSYM\Admin:Interactive:[1]
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1592
    • C:\Users\Admin\AppData\Roaming\jhwiaei
      C:\Users\Admin\AppData\Roaming\jhwiaei
      2⤵
      • Executes dropped EXE
      • Checks SCSI registry key(s)
      • Suspicious behavior: MapViewOfSection
      PID:2856

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        memory/1068-3-0x0000000002B00000-0x0000000002B16000-memory.dmp
        Download

        memory/1068-13-0x0000000002DC0000-0x0000000002DD6000-memory.dmp
        Download

        memory/2444-2-0x0000000000400000-0x00000000004E9000-memory.dmp
        Download

        memory/2444-1-0x00000000002C0000-0x00000000002CB000-memory.dmp
        Download

        memory/2444-0-0x00000000002A0000-0x00000000002B5000-memory.dmp
        Download

        memory/2444-4-0x0000000000400000-0x00000000004E9000-memory.dmp
        Download

        memory/2856-12-0x0000000000400000-0x00000000004E9000-memory.dmp
        Download

        memory/2856-14-0x0000000000400000-0x00000000004E9000-memory.dmp
        Download