General

  • Target

    24a0e2b381718924f13c73ff3fa0abd2eecaf83a435750b72ce86d548106e015

  • Size

    247KB

  • Sample

    211204-ch22dacfd3

  • MD5

    b1ff5c0f50cf70ce35aebfce19ed3a80

  • SHA1

    e40ac11f588469158499a0d0888ff8e674ab33af

  • SHA256

    24a0e2b381718924f13c73ff3fa0abd2eecaf83a435750b72ce86d548106e015

  • SHA512

    da9ccf4200f94a378d9c027ae1d87f33c7411d06df996f12095d50706b4672f0a9c672a94d520681a6d38d493e756a3c1a42892e3d8d69dff1066dd86923350f

Malware Config

Extracted

Family

smokeloader

Version

2020

C2

http://rcacademy.at/upload/

http://e-lanpengeonline.com/upload/

http://vjcmvz.cn/upload/

http://galala.ru/upload/

http://witra.ru/upload/

https://cinems.club/search.php

https://clothes.surf/search.php

rc4.i32
rc4.i32
rc4.i32
rc4.i32

Extracted

Family

redline

C2

92.255.76.197:38637

Extracted

Family

redline

Botnet

1

C2

45.9.20.59:46287

Targets

    • Target

      24a0e2b381718924f13c73ff3fa0abd2eecaf83a435750b72ce86d548106e015

    • Size

      247KB

    • MD5

      b1ff5c0f50cf70ce35aebfce19ed3a80

    • SHA1

      e40ac11f588469158499a0d0888ff8e674ab33af

    • SHA256

      24a0e2b381718924f13c73ff3fa0abd2eecaf83a435750b72ce86d548106e015

    • SHA512

      da9ccf4200f94a378d9c027ae1d87f33c7411d06df996f12095d50706b4672f0a9c672a94d520681a6d38d493e756a3c1a42892e3d8d69dff1066dd86923350f

    • CryptBot

      A C++ stealer distributed widely in bundle with other software.

    • 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.

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Modifies Windows Firewall

    • Deletes itself

    • Drops startup file

    • Reads data files stored by FTP clients

      Tries to access configuration files associated with programs like FileZilla.

    • Reads user/profile data of web browsers

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

    • Accesses Microsoft Outlook profiles

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

MITRE ATT&CK Matrix ATT&CK v6

Execution

Command-Line Interface

1
T1059

Persistence

Modify Existing Service

1
T1031

Defense Evasion

Modify Registry

1
T1112

Credential Access

Credentials in Files

3
T1081

Discovery

Query Registry

3
T1012

System Information Discovery

5
T1082

Peripheral Device Discovery

1
T1120

Process Discovery

1
T1057

Collection

Data from Local System

3
T1005

Email Collection

1
T1114

Tasks