General

  • Target

    2988763CE776FB8A9C79A2565384A30744CCCD114CDE7.exe

  • Size

    3MB

  • Sample

    220111-23d8gshhd9

  • MD5

    6a9ecc2b12f245698396dadd31dd7e1f

  • SHA1

    498a1e5ec1704d96c82e7b6228ac3ba37b9dbee7

  • SHA256

    2988763ce776fb8a9c79a2565384a30744cccd114cde7ee49b71965396f41bc7

  • SHA512

    76aa9bf2fee130eb06b71d56ec90bf018168f6fa00f599e8e387aec9c7ff442b27669811febb6a3d933a5cde117ee03cc41086db61cfe50b8e6e80ae1a4e5592

Malware Config

Extracted

Family

smokeloader

Version

2020

C2

http://directorycart.com/upload/

http://tierzahnarzt.at/upload/

http://streetofcards.com/upload/

http://ycdfzd.com/upload/

http://successcoachceo.com/upload/

http://uhvu.cn/upload/

http://japanarticle.com/upload/

rc4.i32
rc4.i32

Extracted

Family

redline

Botnet

fucker2

C2

135.181.129.119:4805

Extracted

Family

redline

Botnet

media18

C2

91.121.67.60:2151

Targets

    • Target

      2988763CE776FB8A9C79A2565384A30744CCCD114CDE7.exe

    • Size

      3MB

    • MD5

      6a9ecc2b12f245698396dadd31dd7e1f

    • SHA1

      498a1e5ec1704d96c82e7b6228ac3ba37b9dbee7

    • SHA256

      2988763ce776fb8a9c79a2565384a30744cccd114cde7ee49b71965396f41bc7

    • SHA512

      76aa9bf2fee130eb06b71d56ec90bf018168f6fa00f599e8e387aec9c7ff442b27669811febb6a3d933a5cde117ee03cc41086db61cfe50b8e6e80ae1a4e5592

    • Process spawned unexpected child process

      This typically indicates the parent process was compromised via an exploit or macro.

    • RedLine

      RedLine Stealer is a malware family written in C#, first appearing in early 2020.

    • RedLine Payload

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

    • ASPack v2.12-2.42

      Detects executables packed with ASPack v2.12-2.42

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Legitimate hosting services abused for malware hosting/C2

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix

Command and Control

    Credential Access

    Defense Evasion

    Execution

      Exfiltration

        Impact

          Initial Access

            Lateral Movement

              Persistence

                Privilege Escalation

                  Tasks