General

  • Target

    file

  • Size

    1.4MB

  • Sample

    230920-nnfwwaga31

  • MD5

    fa30364a5bb26b5aeb82b1013c10bbbd

  • SHA1

    60c6392f1a24d2750f4bbea10dbf6741ab810309

  • SHA256

    b28546dc6fd49007ebf76ad4b5225ffd8096240801fab6afaa18b3cc3cd9444e

  • SHA512

    a5432d2208a1a137d196b5db4f184b5954f97b43ba24a0cbc71f9d0e9a6622d9c034f837bf3136eb4d4face091a9dc84398136f8c1a0d74bf24e3a58c373b3ea

  • SSDEEP

    24576:ey4KLEwK2CZFbG2hnFSubF/5Qpw853d5zCXIUDklmrlTf4t7oq2z3L1qJ3nfHMzk:t49FDhnFS4Fx0wEDC3kcJfv723fIHGb

Malware Config

Extracted

Family

smokeloader

Version

2022

C2

http://77.91.68.29/fks/

rc4.i32
rc4.i32

Extracted

Family

smokeloader

Botnet

up3

Extracted

Family

smokeloader

Version

2020

C2

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

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

rc4.i32
rc4.i32

Extracted

Family

redline

Botnet

trush

C2

77.91.124.82:19071

Attributes
  • auth_value

    c13814867cde8193679cd0cad2d774be

Targets

    • Target

      file

    • Size

      1.4MB

    • MD5

      fa30364a5bb26b5aeb82b1013c10bbbd

    • SHA1

      60c6392f1a24d2750f4bbea10dbf6741ab810309

    • SHA256

      b28546dc6fd49007ebf76ad4b5225ffd8096240801fab6afaa18b3cc3cd9444e

    • SHA512

      a5432d2208a1a137d196b5db4f184b5954f97b43ba24a0cbc71f9d0e9a6622d9c034f837bf3136eb4d4face091a9dc84398136f8c1a0d74bf24e3a58c373b3ea

    • SSDEEP

      24576:ey4KLEwK2CZFbG2hnFSubF/5Qpw853d5zCXIUDklmrlTf4t7oq2z3L1qJ3nfHMzk:t49FDhnFS4Fx0wEDC3kcJfv723fIHGb

    • DcRat

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

    • Detect Fabookie payload

    • Detects Healer an antivirus disabler dropper

    • Fabookie

      Fabookie is facebook account info stealer.

    • Glupteba

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

    • Glupteba payload

    • Healer

      Healer an antivirus disabler dropper.

    • 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.

    • xmrig

      XMRig is a high performance, open source, cross platform CPU/GPU miner.

    • XMRig Miner payload

    • Downloads MZ/PE file

    • Modifies Windows Firewall

    • 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.

    • 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