General

  • Target

    NEAS.2d45036bb89c23f86f168aef35272119f5d5605e688c1b603c457135bae00494exe_JC.exe

  • Size

    1.1MB

  • Sample

    231009-sr38ssfg83

  • MD5

    fcea84519c2dfd2552d7244645500acf

  • SHA1

    f01bd9c9138637682054bd9a0660c3d864a32279

  • SHA256

    2d45036bb89c23f86f168aef35272119f5d5605e688c1b603c457135bae00494

  • SHA512

    d7f9cf27a731e386ad01921deb6303d5c287440f4e1031bfe9b5971cecf6991823980e41fc531304716e3a7586b5b2d733dc9769e3a3707faed5e04030d62137

  • SSDEEP

    24576:iycYjyJ4arDWfiTap4xWy4E9cbe+94RA1ffkYPDqwju:Jzjy+ar6fWap44yTm942EYn

Malware Config

Extracted

Family

redline

Botnet

magia

C2

77.91.124.55:19071

Extracted

Family

smokeloader

Version

2022

C2

http://77.91.68.29/fks/

rc4.i32
rc4.i32

Extracted

Family

redline

Botnet

lutyr

C2

77.91.124.55:19071

Targets

    • Target

      NEAS.2d45036bb89c23f86f168aef35272119f5d5605e688c1b603c457135bae00494exe_JC.exe

    • Size

      1.1MB

    • MD5

      fcea84519c2dfd2552d7244645500acf

    • SHA1

      f01bd9c9138637682054bd9a0660c3d864a32279

    • SHA256

      2d45036bb89c23f86f168aef35272119f5d5605e688c1b603c457135bae00494

    • SHA512

      d7f9cf27a731e386ad01921deb6303d5c287440f4e1031bfe9b5971cecf6991823980e41fc531304716e3a7586b5b2d733dc9769e3a3707faed5e04030d62137

    • SSDEEP

      24576:iycYjyJ4arDWfiTap4xWy4E9cbe+94RA1ffkYPDqwju:Jzjy+ar6fWap44yTm942EYn

    • DcRat

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

    • Detects Healer an antivirus disabler dropper

    • 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.

    • 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.

    • 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