General

  • Target

    NEAS.040bb4a3060c84f340fc23f76b0f2cf49a706a4ce0317bd2242cd998c04d6116exe_JC.exe

  • Size

    1.0MB

  • Sample

    231009-sgjfmsde91

  • MD5

    68b779b5bf333c1cf5405d8c8d70ae32

  • SHA1

    75bef6918bb9945f6adbf78b8ac3772908d3bfd9

  • SHA256

    040bb4a3060c84f340fc23f76b0f2cf49a706a4ce0317bd2242cd998c04d6116

  • SHA512

    bc0e14adb5accd073c25d08c38f77de82d6e60641c222f786d9a7be4672c412f14acfc77dd341b01fd7681dc1631cfdf10da990bc5409552f6920c8781aff8b3

  • SSDEEP

    24576:WyJitJqWI0rOnJzMdNfgt5I52Nd/IXwun8Ia8W7K:lJitJqZ02zMngt5IMgXwe8Iat

Malware Config

Extracted

Family

smokeloader

Version

2022

C2

http://77.91.68.29/fks/

rc4.i32
rc4.i32

Extracted

Family

redline

Botnet

magia

C2

77.91.124.55:19071

Extracted

Family

redline

Botnet

lutyr

C2

77.91.124.55:19071

Targets

    • Target

      NEAS.040bb4a3060c84f340fc23f76b0f2cf49a706a4ce0317bd2242cd998c04d6116exe_JC.exe

    • Size

      1.0MB

    • MD5

      68b779b5bf333c1cf5405d8c8d70ae32

    • SHA1

      75bef6918bb9945f6adbf78b8ac3772908d3bfd9

    • SHA256

      040bb4a3060c84f340fc23f76b0f2cf49a706a4ce0317bd2242cd998c04d6116

    • SHA512

      bc0e14adb5accd073c25d08c38f77de82d6e60641c222f786d9a7be4672c412f14acfc77dd341b01fd7681dc1631cfdf10da990bc5409552f6920c8781aff8b3

    • SSDEEP

      24576:WyJitJqWI0rOnJzMdNfgt5I52Nd/IXwun8Ia8W7K:lJitJqZ02zMngt5IMgXwe8Iat

    • 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