General

  • Target

    15d27c669c13bcb799ef7b656ee45944469650b8c2821de397d3dc4ae9740f67

  • Size

    221KB

  • Sample

    231004-ferm1shb5x

  • MD5

    b6381027adbb765b3fc74dcf4bde8fc2

  • SHA1

    46713b5aad2ea05e740c9d4b856f684cf08db882

  • SHA256

    15d27c669c13bcb799ef7b656ee45944469650b8c2821de397d3dc4ae9740f67

  • SHA512

    13f7805c529d6e64f3c0b92a0363a252afa2ae6bfb883593de487d4f6531ebc469833a306a0a08ee8834d4ee645b3c5171908cf5782e6ad3e41ce8ad5c344ef3

  • SSDEEP

    6144:PFGW04vUM40jPhfAEpZM0GTPukULkj14+SMpd:RaMbrhf3pKnTQg4+Ss

Malware Config

Extracted

Family

smokeloader

Botnet

pub1

Extracted

Family

smokeloader

Version

2020

C2

http://host-file-host6.com/

http://host-host-file8.com/

rc4.i32
rc4.i32

Extracted

Family

fabookie

C2

http://app.nnnaajjjgc.com/check/safe

Targets

    • Target

      15d27c669c13bcb799ef7b656ee45944469650b8c2821de397d3dc4ae9740f67

    • Size

      221KB

    • MD5

      b6381027adbb765b3fc74dcf4bde8fc2

    • SHA1

      46713b5aad2ea05e740c9d4b856f684cf08db882

    • SHA256

      15d27c669c13bcb799ef7b656ee45944469650b8c2821de397d3dc4ae9740f67

    • SHA512

      13f7805c529d6e64f3c0b92a0363a252afa2ae6bfb883593de487d4f6531ebc469833a306a0a08ee8834d4ee645b3c5171908cf5782e6ad3e41ce8ad5c344ef3

    • SSDEEP

      6144:PFGW04vUM40jPhfAEpZM0GTPukULkj14+SMpd:RaMbrhf3pKnTQg4+Ss

    • DcRat

      DarkCrystal(DC) is a new .NET RAT active since June 2019 capable of loading additional plugins.

    • Detect Fabookie payload

    • Fabookie

      Fabookie is facebook account info stealer.

    • Glupteba

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

    • Glupteba payload

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • UAC bypass

    • Windows security bypass

    • Blocklisted process makes network request

    • Downloads MZ/PE file

    • Drops file in Drivers directory

    • Modifies Windows Firewall

    • Stops running service(s)

    • .NET Reactor proctector

      Detects an executable protected by an unregistered version of Eziriz's .NET Reactor.

    • Drops startup file

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads user/profile data of web browsers

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

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

    • Windows security modification

    • 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.

    • Checks whether UAC is enabled

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Legitimate hosting services abused for malware hosting/C2

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks