Analysis

  • max time kernel
    300s
  • max time network
    300s
  • platform
    windows10-1703_x64
  • resource
    win10-20240221-en
  • resource tags

    arch:x64arch:x86image:win10-20240221-enlocale:en-usos:windows10-1703-x64system
  • submitted
    28-02-2024 04:49

General

  • Target

    5446fe84a6e116315115fea6210fe6669ff9b2b553cf084521d1e3b5481e8363.exe

  • Size

    246KB

  • MD5

    e6b2ebc43ce39d8725663945fcd44182

  • SHA1

    950551154bb200c4a88cb79290057639c1775056

  • SHA256

    5446fe84a6e116315115fea6210fe6669ff9b2b553cf084521d1e3b5481e8363

  • SHA512

    bc2c90c462225e418d94fbab336ba451edbbf944d921aa2265d38b913b9ce560d7b364c87564a8461cc7113d911a64292af3f8a30791dd921c045f234002b5cf

  • SSDEEP

    3072:HbJd2mReCDaqRNcLGzqCcSKpCjhwvl8kxXj25JiUzjkyx:TqD1im5NAjiN8GWiU

Malware Config

Extracted

Family

smokeloader

Botnet

pub3

Extracted

Family

smokeloader

Version

2022

C2

http://kamsmad.com/tmp/index.php

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

http://teplokub.com.ua/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 2 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\5446fe84a6e116315115fea6210fe6669ff9b2b553cf084521d1e3b5481e8363.exe
    "C:\Users\Admin\AppData\Local\Temp\5446fe84a6e116315115fea6210fe6669ff9b2b553cf084521d1e3b5481e8363.exe"
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    PID:292
  • C:\Users\Admin\AppData\Roaming\rvirvdd
    C:\Users\Admin\AppData\Roaming\rvirvdd
    1⤵
    • Executes dropped EXE
    • Checks SCSI registry key(s)
    • Suspicious behavior: MapViewOfSection
    PID:2756

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    246KB

    MD5

    e6b2ebc43ce39d8725663945fcd44182

    SHA1

    950551154bb200c4a88cb79290057639c1775056

    SHA256

    5446fe84a6e116315115fea6210fe6669ff9b2b553cf084521d1e3b5481e8363

    SHA512

    bc2c90c462225e418d94fbab336ba451edbbf944d921aa2265d38b913b9ce560d7b364c87564a8461cc7113d911a64292af3f8a30791dd921c045f234002b5cf

  • memory/292-1-0x0000000001B10000-0x0000000001C10000-memory.dmp

    Filesize

    1024KB

  • memory/292-2-0x0000000001A50000-0x0000000001A5B000-memory.dmp

    Filesize

    44KB

  • memory/292-3-0x0000000000400000-0x0000000001A2A000-memory.dmp

    Filesize

    22.2MB

  • memory/292-5-0x0000000000400000-0x0000000001A2A000-memory.dmp

    Filesize

    22.2MB

  • memory/2756-14-0x0000000001B50000-0x0000000001C50000-memory.dmp

    Filesize

    1024KB

  • memory/2756-15-0x0000000000400000-0x0000000001A2A000-memory.dmp

    Filesize

    22.2MB

  • memory/2756-19-0x0000000000400000-0x0000000001A2A000-memory.dmp

    Filesize

    22.2MB

  • memory/3352-4-0x00000000012B0000-0x00000000012C6000-memory.dmp

    Filesize

    88KB

  • memory/3352-16-0x0000000002D00000-0x0000000002D16000-memory.dmp

    Filesize

    88KB