General

  • Target

    36d37ce2298d33d84e3d2290663ed3088519bdfa5b0a1f178dfd2a28daefb30b

  • Size

    239KB

  • Sample

    230923-rv8f9aab92

  • MD5

    6f566b0fe1df959bc19f82cc4040e732

  • SHA1

    a9e1c97cae3b90b79d2ef6dae0aaac2baee7b8af

  • SHA256

    36d37ce2298d33d84e3d2290663ed3088519bdfa5b0a1f178dfd2a28daefb30b

  • SHA512

    d07294ff965cd90473acb22e0563d058278d20f279c26791e055014ac7a0ed77f4a4afb1c0b809898891be7862bc7853680895955e55150c98034a1178356ac3

  • SSDEEP

    6144:/Z46fuYXChoQTjlFgLuCY1dRuAOd1PTkkvIAjw8y0:/uYzXChdTbv1bupIkvIAjw8y

Malware Config

Extracted

Family

smokeloader

Version

2022

C2

http://77.91.68.29/fks/

rc4.i32
rc4.i32

Extracted

Family

smokeloader

Botnet

up3

Targets

    • Target

      36d37ce2298d33d84e3d2290663ed3088519bdfa5b0a1f178dfd2a28daefb30b

    • Size

      239KB

    • MD5

      6f566b0fe1df959bc19f82cc4040e732

    • SHA1

      a9e1c97cae3b90b79d2ef6dae0aaac2baee7b8af

    • SHA256

      36d37ce2298d33d84e3d2290663ed3088519bdfa5b0a1f178dfd2a28daefb30b

    • SHA512

      d07294ff965cd90473acb22e0563d058278d20f279c26791e055014ac7a0ed77f4a4afb1c0b809898891be7862bc7853680895955e55150c98034a1178356ac3

    • SSDEEP

      6144:/Z46fuYXChoQTjlFgLuCY1dRuAOd1PTkkvIAjw8y0:/uYzXChdTbv1bupIkvIAjw8y

    • Detected google phishing page

    • Glupteba

      Glupteba is a modular loader written in Golang with various components.

    • Glupteba payload

    • 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

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Uses the VBS compiler for execution

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Adds Run key to start application

    • Checks installed software on the system

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

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks