Analysis

  • max time kernel
    300s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    19-02-2024 00:05

General

  • Target

    e51cbc1ad281483bfad92ced80e1f4e673226b63cbc85b79108c2c9d86962cbd.exe

  • Size

    232KB

  • MD5

    7c376aee2b6cbf0e428d06ddcfca9b07

  • SHA1

    da5068dc6f5b6e72b4c440c0b6213fc4aaca9c70

  • SHA256

    e51cbc1ad281483bfad92ced80e1f4e673226b63cbc85b79108c2c9d86962cbd

  • SHA512

    f49cbe26ff3ab729914071aa736f7673e2423e4f78d76f0e2617e8c276e8b4fca955213b9280859bc4f91ac4683845fc03ac9b4421d8fdbf233ccfad14a1bc33

  • SSDEEP

    3072:GeWZ+YBZ31CYqCq+r6WgJmlRUlMwMQJMVRRm8ds:Yv3kfI+XG

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 WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e51cbc1ad281483bfad92ced80e1f4e673226b63cbc85b79108c2c9d86962cbd.exe
    "C:\Users\Admin\AppData\Local\Temp\e51cbc1ad281483bfad92ced80e1f4e673226b63cbc85b79108c2c9d86962cbd.exe"
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    PID:2052
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {189493B3-9750-4FF3-BE8C-0572A1BBBE27} S-1-5-21-3818056530-936619650-3554021955-1000:SFVRQGEO\Admin:Interactive:[1]
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2952
    • C:\Users\Admin\AppData\Roaming\ciifgtu
      C:\Users\Admin\AppData\Roaming\ciifgtu
      2⤵
      • Executes dropped EXE
      • Checks SCSI registry key(s)
      • Suspicious behavior: MapViewOfSection
      PID:1716

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    232KB

    MD5

    7c376aee2b6cbf0e428d06ddcfca9b07

    SHA1

    da5068dc6f5b6e72b4c440c0b6213fc4aaca9c70

    SHA256

    e51cbc1ad281483bfad92ced80e1f4e673226b63cbc85b79108c2c9d86962cbd

    SHA512

    f49cbe26ff3ab729914071aa736f7673e2423e4f78d76f0e2617e8c276e8b4fca955213b9280859bc4f91ac4683845fc03ac9b4421d8fdbf233ccfad14a1bc33

  • memory/1188-4-0x0000000002D40000-0x0000000002D56000-memory.dmp

    Filesize

    88KB

  • memory/1188-16-0x0000000002490000-0x00000000024A6000-memory.dmp

    Filesize

    88KB

  • memory/1716-14-0x0000000000270000-0x0000000000370000-memory.dmp

    Filesize

    1024KB

  • memory/1716-15-0x0000000000400000-0x000000000044A000-memory.dmp

    Filesize

    296KB

  • memory/1716-19-0x0000000000400000-0x000000000044A000-memory.dmp

    Filesize

    296KB

  • memory/2052-1-0x00000000005F0000-0x00000000006F0000-memory.dmp

    Filesize

    1024KB

  • memory/2052-2-0x0000000000220000-0x000000000022B000-memory.dmp

    Filesize

    44KB

  • memory/2052-3-0x0000000000400000-0x000000000044A000-memory.dmp

    Filesize

    296KB

  • memory/2052-5-0x0000000000400000-0x000000000044A000-memory.dmp

    Filesize

    296KB