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General

  • Target

    file

  • Size

    1.1MB

  • Sample

    231008-nez86adh67

  • MD5

    8a1adc510fa96e48c8274255a0145917

  • SHA1

    f6f3b0feee7313db0f880f775ccedec94514ddc5

  • SHA256

    ed96c9649afe2141b7b7fe413f96f0206cbe20003e5f94ce0383f085502ea49b

  • SHA512

    80bd5c79ba2f5f2c2737656f1a3faeeff048b59e10bc0afffc972d64de6c35e9b82f5994bc524c1f2587213081077c10ca2110bcff5acb5d3c9bfeb27997d4d2

  • SSDEEP

    24576:YymJnb1nTBLutMb6QxCSUO6PxnOR/Z+kDuKeQyvCpHyFP:fWnb1ns2hr6Pxn2/Z+kDrZyvc

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

Extracted

Family

redline

Botnet

@ytlogsbot

C2

176.123.4.46:33783

Targets

    • Target

      file

    • Size

      1.1MB

    • MD5

      8a1adc510fa96e48c8274255a0145917

    • SHA1

      f6f3b0feee7313db0f880f775ccedec94514ddc5

    • SHA256

      ed96c9649afe2141b7b7fe413f96f0206cbe20003e5f94ce0383f085502ea49b

    • SHA512

      80bd5c79ba2f5f2c2737656f1a3faeeff048b59e10bc0afffc972d64de6c35e9b82f5994bc524c1f2587213081077c10ca2110bcff5acb5d3c9bfeb27997d4d2

    • SSDEEP

      24576:YymJnb1nTBLutMb6QxCSUO6PxnOR/Z+kDuKeQyvCpHyFP:fWnb1ns2hr6Pxn2/Z+kDrZyvc

    • 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.

    • 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