General

  • Target

    file

  • Size

    1.4MB

  • Sample

    230920-natktafh5t

  • MD5

    b9460a40220f637e6b14091fb3d04c47

  • SHA1

    17fdc5a0000737a7483eaa4c99e2a5bddb144188

  • SHA256

    be7f7cad13d7b9f6ca0519f08d8f729deaf721d0d72e28b629a04850375fc202

  • SHA512

    d6001fc8bd924e4023cd129a0284fb9d2fcafe8ad79d389685f9afe74d3b3cb7f4993877bf89ef32ea3a07841a82a54e5a678594e2aa12df47f4c521983ce59f

  • SSDEEP

    24576:ayO5xMZ/d4E29A8LjsyTg8Pk5MBVykHRResb5Z1W4ufjRJocCUmA4lPaC+:hOUZyEmLgP8c5MryqksNZuftJocqAyPd

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

      b9460a40220f637e6b14091fb3d04c47

    • SHA1

      17fdc5a0000737a7483eaa4c99e2a5bddb144188

    • SHA256

      be7f7cad13d7b9f6ca0519f08d8f729deaf721d0d72e28b629a04850375fc202

    • SHA512

      d6001fc8bd924e4023cd129a0284fb9d2fcafe8ad79d389685f9afe74d3b3cb7f4993877bf89ef32ea3a07841a82a54e5a678594e2aa12df47f4c521983ce59f

    • SSDEEP

      24576:ayO5xMZ/d4E29A8LjsyTg8Pk5MBVykHRResb5Z1W4ufjRJocCUmA4lPaC+:hOUZyEmLgP8c5MryqksNZuftJocqAyPd

    • DcRat

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

    • Detect Fabookie payload

    • Detected google phishing page

    • 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.

    • Windows security bypass

    • xmrig

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

    • Modifies boot configuration data using bcdedit

    • XMRig Miner payload

    • Downloads MZ/PE file

    • Modifies Windows Firewall

    • Possible attempt to disable PatchGuard

      Rootkits can use kernel patching to embed themselves in an operating system.

    • 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

    • 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.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks