Overview

overview

10

Static

static

3

winprofile

windows7-x64

10

winprofile

windows10-1703-x64

10

Sharing

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General

  • Target

    23b86d03dce9c537233aba35061118e238ce3f444e6ce0057bc4be310e97fb53

  • Size

    300KB

  • Sample

    240425-bg8l4acf9s

  • MD5

    3bdbe965922732ae0d662c74b444bdf1

  • SHA1

    300abe798f642648d0bfeac99ae92d7edf941cb7

  • SHA256

    23b86d03dce9c537233aba35061118e238ce3f444e6ce0057bc4be310e97fb53

  • SHA512

    cfebb561e5f0b15f2ecfbfbe338391648d5ae2c6a2b50add27a6ba45ca504182ad93ea6e378c70087d1d7acd48fc10779fd8534a4b03d9e09218cb7068b4a101

  • SSDEEP

    3072:vcPCz0s0Qc0PX9+CPUi0dgzUKAvLtEOCmJNT6wB8rjoBao95nxJxuegpG:vR9n9XbKvZnxXEo3nxJx

Score
10/10
smokeloaderpub1backdoorbootkitpersistencetrojan

Malware Config

Extracted

Family

smokeloader

Botnet

pub1

Extracted

Family

smokeloader

Version

2022

C2

http://trad-einmyus.com/index.php

http://tradein-myus.com/index.php

http://trade-inmyus.com/index.php
rc4.i32
rc4.i32

Targets

    • Target

      23b86d03dce9c537233aba35061118e238ce3f444e6ce0057bc4be310e97fb53

    • Size

      300KB

    • MD5

      3bdbe965922732ae0d662c74b444bdf1

    • SHA1

      300abe798f642648d0bfeac99ae92d7edf941cb7

    • SHA256

      23b86d03dce9c537233aba35061118e238ce3f444e6ce0057bc4be310e97fb53

    • SHA512

      cfebb561e5f0b15f2ecfbfbe338391648d5ae2c6a2b50add27a6ba45ca504182ad93ea6e378c70087d1d7acd48fc10779fd8534a4b03d9e09218cb7068b4a101

    • SSDEEP

      3072:vcPCz0s0Qc0PX9+CPUi0dgzUKAvLtEOCmJNT6wB8rjoBao95nxJxuegpG:vR9n9XbKvZnxXEo3nxJx

    Score
    10/10
    smokeloaderpub1backdoorbootkitpersistencetrojan

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

      trojanbackdoorsmokeloader

    • Downloads MZ/PE file

    • Deletes itself

    • Executes dropped EXE

    • Legitimate hosting services abused for malware hosting/C2

    • Writes to the Master Boot Record (MBR)

      Bootkits write to the MBR to gain persistence at a level below the operating system.

      bootkitpersistence
    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Pre-OS Boot

1
T1542

Bootkit

1
T1542.003

Privilege Escalation

Defense Evasion

Pre-OS Boot

1
T1542

Bootkit

1
T1542.003

Credential Access

Discovery

Query Registry

1
T1012

Peripheral Device Discovery

1
T1120

System Information Discovery

1
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Web Service

1
T1102

Impact

Resource Development

Reconnaissance

Tasks