Analysis

  • max time kernel
    150s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02/01/2024, 23:07

General

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

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.

  • 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.

  • Modifies registry class 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: MapViewOfSection 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of UnmapMainImage 1 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\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:5068
  • C:\Users\Admin\AppData\Roaming\idhfged
    C:\Users\Admin\AppData\Roaming\idhfged
    1⤵
    • Executes dropped EXE
    • Checks SCSI registry key(s)
    • Suspicious behavior: MapViewOfSection
    PID:984

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        memory/984-13-0x0000000000400000-0x00000000004E9000-memory.dmp

        memory/984-17-0x0000000000400000-0x00000000004E9000-memory.dmp

        memory/3480-4-0x0000000003260000-0x0000000003276000-memory.dmp

        memory/3480-14-0x0000000003290000-0x00000000032A6000-memory.dmp

        memory/5068-3-0x0000000000400000-0x00000000004E9000-memory.dmp

        memory/5068-2-0x00000000001C0000-0x00000000001CB000-memory.dmp

        memory/5068-1-0x00000000005C0000-0x00000000005D5000-memory.dmp

        memory/5068-0-0x0000000000400000-0x00000000004E9000-memory.dmp

        memory/5068-5-0x0000000000400000-0x00000000004E9000-memory.dmp