General

  • Target

    c6bf32612e9edda0f05636131ee97f6d651a252fe31858d01baa8c402dadf7e9

  • Size

    552B

  • Sample

    230227-28xxsagc89

  • MD5

    e4e334efd3ed0f23499a75127e2662aa

  • SHA1

    7e460968dcbc7ddc8b8c6ede94798e54fbfc5e63

  • SHA256

    c6bf32612e9edda0f05636131ee97f6d651a252fe31858d01baa8c402dadf7e9

  • SHA512

    75d26061e143542f13a05839b054aaaac2146b5ea79bcf94b587169e822f27c525a8cf30f39e3048d5249346adacbeb2695a45a68e0bee48fdd2035ed068ade8

Malware Config

Extracted

Language
ps1
Deobfuscated
URLs
exe.dropper

http://79.110.62.167/link/agent.exe

Extracted

Family

smokeloader

Version

2022

C2

http://simplyadvanced1.com/

http://simplyadvanced2.com/

http://simplyadvanced3.com/

http://simplyadvanced4.com/

http://advancesimpley1.com/

rc4.i32
rc4.i32

Extracted

Family

remcos

Botnet

N

C2

173.212.217.108:1050

zab4ever.no-ip.org:1050

1zab4ever.no-ip.org:1050

1zab4ever.duckdns.org:1050

Attributes
  • audio_folder

    MicRecords

  • audio_path

    %AppData%

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    1

  • copy_file

    svhost.exe

  • delete_file

    false

  • hide_file

    true

  • hide_keylog_file

    true

  • install_flag

    true

  • install_path

    %WinDir%

  • keylog_crypt

    false

  • keylog_file

    psibos.dat

  • keylog_flag

    false

  • keylog_path

    %AppData%

  • mouse_option

    false

  • mutex

    hgfjioupsc-UDD5UN

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • startup_value

    Windows VHost

  • take_screenshot_option

    false

  • take_screenshot_time

    5

  • take_screenshot_title

    notepad;solitaire;

Extracted

Family

warzonerat

C2

212.87.204.251:5200

Targets

    • Target

      c6bf32612e9edda0f05636131ee97f6d651a252fe31858d01baa8c402dadf7e9

    • Size

      552B

    • MD5

      e4e334efd3ed0f23499a75127e2662aa

    • SHA1

      7e460968dcbc7ddc8b8c6ede94798e54fbfc5e63

    • SHA256

      c6bf32612e9edda0f05636131ee97f6d651a252fe31858d01baa8c402dadf7e9

    • SHA512

      75d26061e143542f13a05839b054aaaac2146b5ea79bcf94b587169e822f27c525a8cf30f39e3048d5249346adacbeb2695a45a68e0bee48fdd2035ed068ade8

    • Detects Smokeloader packer

    • Remcos

      Remcos is a closed-source remote control and surveillance software.

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

    • WarzoneRat, AveMaria

      WarzoneRat is a native RAT developed in C++ with multiple plugins sold as a MaaS.

    • Warzone RAT payload

    • Adds policy Run key to start application

    • Blocklisted process makes network request

    • Downloads MZ/PE file

    • Checks computer location settings

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

    • Deletes itself

    • Executes dropped EXE

    • Accesses Microsoft Outlook profiles

    • Adds Run key to start application

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks