Analysis

  • max time kernel
    150s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    20/02/2024, 16:07

General

  • Target

    968a57c7356ede352e24d152d317e576c67408172b22bd5e76cff435f4b45ba8.exe

  • Size

    131KB

  • MD5

    a5ded4c1001aff352387e75f27fb2a1f

  • SHA1

    fb746a9eee8fc138d982edbc5de2401a8b054ac4

  • SHA256

    968a57c7356ede352e24d152d317e576c67408172b22bd5e76cff435f4b45ba8

  • SHA512

    e381d29ab8fc4f929a8a411b72bee6701acc37dd74f3f52a0578c61ef25b37bc3909c8b961d7704125614579069e56b804922d1518d55c13f38d420d4fbc24e7

  • SSDEEP

    3072:aK4VduQocFVJgDzOJE+nzWq1VITQ1ZqMj:aK2uQnFVSDzOTDIMrq

Malware Config

Extracted

Family

smokeloader

Botnet

pub1

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 WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\968a57c7356ede352e24d152d317e576c67408172b22bd5e76cff435f4b45ba8.exe
    "C:\Users\Admin\AppData\Local\Temp\968a57c7356ede352e24d152d317e576c67408172b22bd5e76cff435f4b45ba8.exe"
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    PID:2148
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {50E25149-5818-44B7-BC49-98B65E3F0420} S-1-5-21-3818056530-936619650-3554021955-1000:SFVRQGEO\Admin:Interactive:[1]
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2044
    • C:\Users\Admin\AppData\Roaming\weidaej
      C:\Users\Admin\AppData\Roaming\weidaej
      2⤵
      • Executes dropped EXE
      • Checks SCSI registry key(s)
      • Suspicious behavior: MapViewOfSection
      PID:1004

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    131KB

    MD5

    a5ded4c1001aff352387e75f27fb2a1f

    SHA1

    fb746a9eee8fc138d982edbc5de2401a8b054ac4

    SHA256

    968a57c7356ede352e24d152d317e576c67408172b22bd5e76cff435f4b45ba8

    SHA512

    e381d29ab8fc4f929a8a411b72bee6701acc37dd74f3f52a0578c61ef25b37bc3909c8b961d7704125614579069e56b804922d1518d55c13f38d420d4fbc24e7

  • memory/1004-14-0x0000000000C80000-0x0000000000D80000-memory.dmp

    Filesize

    1024KB

  • memory/1004-15-0x0000000000400000-0x0000000000816000-memory.dmp

    Filesize

    4.1MB

  • memory/1004-17-0x0000000000400000-0x0000000000816000-memory.dmp

    Filesize

    4.1MB

  • memory/1200-4-0x0000000002200000-0x0000000002216000-memory.dmp

    Filesize

    88KB

  • memory/1200-16-0x0000000002F60000-0x0000000002F76000-memory.dmp

    Filesize

    88KB

  • memory/2148-2-0x0000000000220000-0x000000000022B000-memory.dmp

    Filesize

    44KB

  • memory/2148-1-0x00000000009A0000-0x0000000000AA0000-memory.dmp

    Filesize

    1024KB

  • memory/2148-3-0x0000000000400000-0x0000000000816000-memory.dmp

    Filesize

    4.1MB

  • memory/2148-5-0x0000000000400000-0x0000000000816000-memory.dmp

    Filesize

    4.1MB