General

  • Target

    7a31dc882ea1b0e7a8ffebcd21059cd5

  • Size

    1.9MB

  • Sample

    240127-n7vjdadebq

  • MD5

    7a31dc882ea1b0e7a8ffebcd21059cd5

  • SHA1

    38ebd858eb6e5e540b5900c97e77a9f3ff92e421

  • SHA256

    28a96de1e3a6ac6f0105145b7155ebc1eafb9d1885d09c84b65ffd60e9b8951f

  • SHA512

    eca9ee232b660e3e8244a61e8a7b8e6e63499849cc3ab2a07941e032142ef89d46a4c7a219b32c811b36245ebb0ddda5313b475590e6f478df6ee2f7571bde6a

  • SSDEEP

    49152:xcBmEwJ84vLRaBtIl9mVzZxa8jQtrpR7Js2Q7D85Qvr5S:xECvLUBsg+8UttFJ9zQVS

Malware Config

Extracted

Family

nullmixer

C2

http://marisana.xyz/

Extracted

Family

smokeloader

Botnet

pub6

Extracted

Family

smokeloader

Version

2020

C2

http://aucmoney.com/upload/

http://thegymmum.com/upload/

http://atvcampingtrips.com/upload/

http://kuapakualaman.com/upload/

http://renatazarazua.com/upload/

http://nasufmutlu.com/upload/

rc4.i32
rc4.i32

Extracted

Family

vidar

Version

40

Botnet

706

C2

https://lenak513.tumblr.com/

Attributes
  • profile_id

    706

Targets

    • Target

      7a31dc882ea1b0e7a8ffebcd21059cd5

    • Size

      1.9MB

    • MD5

      7a31dc882ea1b0e7a8ffebcd21059cd5

    • SHA1

      38ebd858eb6e5e540b5900c97e77a9f3ff92e421

    • SHA256

      28a96de1e3a6ac6f0105145b7155ebc1eafb9d1885d09c84b65ffd60e9b8951f

    • SHA512

      eca9ee232b660e3e8244a61e8a7b8e6e63499849cc3ab2a07941e032142ef89d46a4c7a219b32c811b36245ebb0ddda5313b475590e6f478df6ee2f7571bde6a

    • SSDEEP

      49152:xcBmEwJ84vLRaBtIl9mVzZxa8jQtrpR7Js2Q7D85Qvr5S:xECvLUBsg+8UttFJ9zQVS

    • NullMixer

      NullMixer is a malware dropper leading to an infection chain of a wide variety of malware families.

    • PrivateLoader

      PrivateLoader is a downloader sold as a pay-per-install malware distribution service.

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Vidar Stealer

    • ASPack v2.12-2.42

      Detects executables packed with ASPack v2.12-2.42

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Legitimate hosting services abused for malware hosting/C2

MITRE ATT&CK Enterprise v15

Tasks