General

  • Target

    1274e9ba0b6023a7e0c8dc3adfb13f359fc92ae16f3a27e7492005ae66952762

  • Size

    1.5MB

  • Sample

    231101-sv5k2aab9t

  • MD5

    10b57484662a18b0727d9eac8d27373b

  • SHA1

    211578d92f6cb626b9e537facede2f46d0524e8c

  • SHA256

    4857f24fdbab0c424d9283ca9beaa205307900c47e08117593a31db7ee665049

  • SHA512

    10cd29fd311444836f407f8a914bf918b9b7926f91802e2058c815e0d43458964b190b38b9ad955f1d5eaf98cd09734827528b82dd93b463c0e61f80ee32465c

  • SSDEEP

    24576:waByAMgieOvN5yOrm6kQt9kuUc93bfv2w8GhGqe/fB71Q+WlgNxplRmy:KAMgvslaKlbfv2w8o2fB71Qni7lL

Malware Config

Extracted

Family

smokeloader

Version

2022

C2

http://77.91.68.29/fks/

rc4.i32
rc4.i32

Extracted

Family

redline

Botnet

grome

C2

77.91.124.86:19084

Extracted

Family

amadey

Version

3.89

C2

http://77.91.124.1/theme/index.php

Attributes
  • install_dir

    fefffe8cea

  • install_file

    explothe.exe

  • strings_key

    36a96139c1118a354edf72b1080d4b2f

rc4.plain

Targets

    • Target

      1274e9ba0b6023a7e0c8dc3adfb13f359fc92ae16f3a27e7492005ae66952762

    • Size

      1.5MB

    • MD5

      d246f5142bf179afcdf456f3a5b45529

    • SHA1

      91bb8355a6294aa1977e7809bc106d43a0ce87cd

    • SHA256

      1274e9ba0b6023a7e0c8dc3adfb13f359fc92ae16f3a27e7492005ae66952762

    • SHA512

      71d0928f7b6c9b3b5d6de824c59900905765766b95ca2b3ad36d06c666687bc3426b9f660f6dcd51e24a582521949be93ab62dac6a2a636f57e9cbbacc8c505a

    • SSDEEP

      24576:Ty1ugiUuvB5ygRrm6ASn9k4Uc99bvvOE8UqqOrVBbvC+wk3ghxXb1vmlC:m1ug7m/aInbvvOE8UQVBbvCvkKlb1u

    • Amadey

      Amadey bot is a simple trojan bot primarily used for collecting reconnaissance information.

    • DcRat

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

    • Modifies Windows Defender Real-time Protection settings

    • 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.

    • Blocklisted process makes network request

    • Downloads MZ/PE file

    • Checks computer location settings

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

    • 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.

    • Adds Run key to start application

    • Detected potential entity reuse from brand paypal.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks