General

  • Target

    43d7a2f2f1768f2534a22956e8b7ebb1ea84113da789762ec03fec9adf34addc

  • Size

    304KB

  • Sample

    220522-dm4lfaacbk

  • MD5

    6b8617770624f14ae4bcf5431a463878

  • SHA1

    5973916000ec535b6957704ce1847e1daad1050e

  • SHA256

    43d7a2f2f1768f2534a22956e8b7ebb1ea84113da789762ec03fec9adf34addc

  • SHA512

    feee5b7ed6848f9e2e2ab30e85d1c2854f948026ef61b925e184730a700efc71638038b859bc673fd9fca9502dce21105c0bfba0d60b67c72891dc0bac65fdbe

Malware Config

Extracted

Family

smokeloader

Version

2020

C2

http://bahninfo.at/upload/

http://img4mobi.com/upload/

http://equix.ru/upload/

http://worldalltv.com/upload/

http://negarehgallery.com/upload/

http://lite-server.ru/upload/

http://piratia/su/upload/

http://go-piratia.ru/upload/

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/

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

Extracted

Family

redline

Botnet

1

C2

45.10.43.167:26696

Attributes
  • auth_value

    3a70a3e2f548aaf61e05be9e4cadc7c1

Targets

    • Target

      43d7a2f2f1768f2534a22956e8b7ebb1ea84113da789762ec03fec9adf34addc

    • Size

      304KB

    • MD5

      6b8617770624f14ae4bcf5431a463878

    • SHA1

      5973916000ec535b6957704ce1847e1daad1050e

    • SHA256

      43d7a2f2f1768f2534a22956e8b7ebb1ea84113da789762ec03fec9adf34addc

    • SHA512

      feee5b7ed6848f9e2e2ab30e85d1c2854f948026ef61b925e184730a700efc71638038b859bc673fd9fca9502dce21105c0bfba0d60b67c72891dc0bac65fdbe

    • 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.

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

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Checks BIOS information in registry

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

    • Deletes itself

    • Loads dropped DLL

    • Accesses Microsoft Outlook profiles

    • 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

Discovery

Query Registry

3
T1012

Virtualization/Sandbox Evasion

1
T1497

System Information Discovery

4
T1082

Peripheral Device Discovery

1
T1120

Collection

Email Collection

1
T1114

Tasks