General

  • Target

    tmp

  • Size

    217KB

  • Sample

    231001-fxyt2shb8s

  • MD5

    e38c7f0fa1a4d8ffc18742eb0df40048

  • SHA1

    eb202808de94d7fa749d67801c06cc3f2bf6efd3

  • SHA256

    3193a9adfee944d12a081b3fd327d714aa8a3aece4cbf8bfbfd415d9f0574975

  • SHA512

    0e7af9b2b83f42a1a01beef6f9a4aa0e0d53f3e612cab36a8aae9fbdf43c941c0ff854b585cca200bc94606ed17731033c408b5789e5818fc78bf72b0c536ef1

  • SSDEEP

    6144:QAxjcZaXLFJKcneXwjph8irvDeVcjf7wpYMyMP/1h:PjcZaXecRjHOuj4yMPNh

Malware Config

Extracted

Family

fabookie

C2

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

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

Targets

    • Target

      tmp

    • Size

      217KB

    • MD5

      e38c7f0fa1a4d8ffc18742eb0df40048

    • SHA1

      eb202808de94d7fa749d67801c06cc3f2bf6efd3

    • SHA256

      3193a9adfee944d12a081b3fd327d714aa8a3aece4cbf8bfbfd415d9f0574975

    • SHA512

      0e7af9b2b83f42a1a01beef6f9a4aa0e0d53f3e612cab36a8aae9fbdf43c941c0ff854b585cca200bc94606ed17731033c408b5789e5818fc78bf72b0c536ef1

    • SSDEEP

      6144:QAxjcZaXLFJKcneXwjph8irvDeVcjf7wpYMyMP/1h:PjcZaXecRjHOuj4yMPNh

    • 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

    • Downloads MZ/PE file

    • Drops file in Drivers directory

    • Modifies Windows Firewall

    • Stops running service(s)

    • Checks BIOS information in registry

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

    • Checks computer location settings

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

    • 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

    • 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.

    • Checks whether UAC is enabled

    • Legitimate hosting services abused for malware hosting/C2

    • Writes to the Master Boot Record (MBR)

      Bootkits write to the MBR to gain persistence at a level below the operating system.

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks