Analysis

  • max time kernel
    150s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    05-04-2024 00:59

General

  • Target

    f262b7879a9457e28a2760cb795eea00fff16f9fe34ebbb82348125c8f54103f.exe

  • Size

    290KB

  • MD5

    ed6d377fd013ceda5282bb2e9efbc7ff

  • SHA1

    e90d16d0e0ea8fe89cbb1fe216039acdbffbec9f

  • SHA256

    f262b7879a9457e28a2760cb795eea00fff16f9fe34ebbb82348125c8f54103f

  • SHA512

    72ace885187d5b61f9aa023091913e323ac250594964f2c4b031f73f31d9cfd1cd89498a7955428da0bd10f996a89f381ba67f06f798aebcf339fbff91ec3f19

  • SSDEEP

    3072:aDxkMaPJYEac90jWB873jjNBjW9rm2K9FOgx0xEVKZ6OKKs6vg33qN:aSxRYEac9008fjNByxLvCyEcNPg33q

Malware Config

Extracted

Family

smokeloader

Botnet

pub3

Extracted

Family

smokeloader

Version

2022

C2

http://nidoe.org/tmp/index.php

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

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

http://talesofpirates.net/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 WriteProcessMemory 4 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\f262b7879a9457e28a2760cb795eea00fff16f9fe34ebbb82348125c8f54103f.exe
    "C:\Users\Admin\AppData\Local\Temp\f262b7879a9457e28a2760cb795eea00fff16f9fe34ebbb82348125c8f54103f.exe"
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    PID:2916
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {EF34EEA5-5277-4495-83D1-1F08CC9DF6F0} S-1-5-21-2297530677-1229052932-2803917579-1000:HKULBIBU\Admin:Interactive:[1]
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2744
    • C:\Users\Admin\AppData\Roaming\vtfhhge
      C:\Users\Admin\AppData\Roaming\vtfhhge
      2⤵
      • Executes dropped EXE
      • Checks SCSI registry key(s)
      • Suspicious behavior: MapViewOfSection
      PID:2696

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    290KB

    MD5

    ed6d377fd013ceda5282bb2e9efbc7ff

    SHA1

    e90d16d0e0ea8fe89cbb1fe216039acdbffbec9f

    SHA256

    f262b7879a9457e28a2760cb795eea00fff16f9fe34ebbb82348125c8f54103f

    SHA512

    72ace885187d5b61f9aa023091913e323ac250594964f2c4b031f73f31d9cfd1cd89498a7955428da0bd10f996a89f381ba67f06f798aebcf339fbff91ec3f19

  • memory/1068-4-0x0000000002A90000-0x0000000002AA6000-memory.dmp

    Filesize

    88KB

  • memory/1068-16-0x00000000030C0000-0x00000000030D6000-memory.dmp

    Filesize

    88KB

  • memory/2696-14-0x0000000000250000-0x0000000000350000-memory.dmp

    Filesize

    1024KB

  • memory/2696-15-0x0000000000400000-0x0000000002B72000-memory.dmp

    Filesize

    39.4MB

  • memory/2696-17-0x0000000000400000-0x0000000002B72000-memory.dmp

    Filesize

    39.4MB

  • memory/2916-1-0x00000000002B0000-0x00000000003B0000-memory.dmp

    Filesize

    1024KB

  • memory/2916-2-0x00000000001B0000-0x00000000001BB000-memory.dmp

    Filesize

    44KB

  • memory/2916-3-0x0000000000400000-0x0000000002B72000-memory.dmp

    Filesize

    39.4MB

  • memory/2916-5-0x0000000000400000-0x0000000002B72000-memory.dmp

    Filesize

    39.4MB