General

  • Target

    a0b77601d6eb1d5e4364512ca786fd71f26c6e1dfaf93411e04c550f16f4a3c6

  • Size

    304KB

  • Sample

    220521-zfa67sgefm

  • MD5

    ef4b95aaca89ac75b7284bc8d6c79790

  • SHA1

    b870d62de493400a5524406e292118fcd5821e59

  • SHA256

    a0b77601d6eb1d5e4364512ca786fd71f26c6e1dfaf93411e04c550f16f4a3c6

  • SHA512

    3f10bdaec53fd5777843361b73f3e37afa1f23930b1d54264e817c16052e9c071c98efc99b0f09a61e0772e9cc34d0e53ee6c2cc04ef5bad53616c8cc0b5b91e

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

      a0b77601d6eb1d5e4364512ca786fd71f26c6e1dfaf93411e04c550f16f4a3c6

    • Size

      304KB

    • MD5

      ef4b95aaca89ac75b7284bc8d6c79790

    • SHA1

      b870d62de493400a5524406e292118fcd5821e59

    • SHA256

      a0b77601d6eb1d5e4364512ca786fd71f26c6e1dfaf93411e04c550f16f4a3c6

    • SHA512

      3f10bdaec53fd5777843361b73f3e37afa1f23930b1d54264e817c16052e9c071c98efc99b0f09a61e0772e9cc34d0e53ee6c2cc04ef5bad53616c8cc0b5b91e

    • 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