General

  • Target

    4281a0cc96081064231a31263118a8850760ee521d3b7ffe8afe9dae73070a14

  • Size

    305KB

  • Sample

    220522-d59keafag4

  • MD5

    1a5c1c2bf052e5cf8afb2ae786e65fc5

  • SHA1

    11618398eba1e497795fe893f48b8efe72ced9af

  • SHA256

    4281a0cc96081064231a31263118a8850760ee521d3b7ffe8afe9dae73070a14

  • SHA512

    4e8e6a409cc4f3da0ab3ae122d9938969a9c8d3f92dd3983bb78fe18c47d5ea1a94f94595a3c6945342fded132279b274ab67cb569fb7caae021584349827a66

Malware Config

Extracted

Family

smokeloader

Version

2020

C2

http://monsutiur4.com/

http://nusurionuy5ff.at/

http://moroitomo4.net/

http://susuerulianita1.net/

http://cucumbetuturel4.com/

http://nunuslushau.com/

http://linislominyt11.at/

http://luxulixionus.net/

http://lilisjjoer44.com/

http://nikogminut88.at/

http://limo00ruling.org/

http://mini55tunul.com/

http://samnutu11nuli.com/

http://nikogkojam.org/

rc4.i32
rc4.i32

Extracted

Family

redline

Botnet

1

C2

45.10.43.167:26696

Attributes
  • auth_value

    3a70a3e2f548aaf61e05be9e4cadc7c1

Targets

    • Target

      4281a0cc96081064231a31263118a8850760ee521d3b7ffe8afe9dae73070a14

    • Size

      305KB

    • MD5

      1a5c1c2bf052e5cf8afb2ae786e65fc5

    • SHA1

      11618398eba1e497795fe893f48b8efe72ced9af

    • SHA256

      4281a0cc96081064231a31263118a8850760ee521d3b7ffe8afe9dae73070a14

    • SHA512

      4e8e6a409cc4f3da0ab3ae122d9938969a9c8d3f92dd3983bb78fe18c47d5ea1a94f94595a3c6945342fded132279b274ab67cb569fb7caae021584349827a66

    • 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.

    • suricata: ET MALWARE Sharik/Smoke CnC Beacon 11

      suricata: ET MALWARE Sharik/Smoke CnC Beacon 11

    • Identifies VirtualBox via ACPI registry values (likely anti-VM)

    • Executes dropped EXE

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Loads dropped DLL

    • Reads user/profile data of web browsers

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

    • 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.

    • Checks whether UAC is enabled

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Hidden Files and Directories

1
T1158

Defense Evasion

Virtualization/Sandbox Evasion

1
T1497

Hidden Files and Directories

1
T1158

Credential Access

Credentials in Files

2
T1081

Discovery

Query Registry

5
T1012

Virtualization/Sandbox Evasion

1
T1497

System Information Discovery

5
T1082

Peripheral Device Discovery

1
T1120

Collection

Data from Local System

2
T1005

Tasks