General

  • Target

    ea3081b6dd31197675f5d03c9853c2a8dd51868ac0bf7956cba0cfe1f7e8ae45.zip

  • Size

    1.5MB

  • Sample

    240402-mpn37sfd21

  • MD5

    71a623f8c3c4c8777e096a818ebc0c8c

  • SHA1

    fcd4833e42d99e9e96e750a5c02741df98e68ccc

  • SHA256

    d380be4fa46dd9334cc686c28e4d0e16328e73c3d09139c654299e8b8a32886b

  • SHA512

    d5cdb42e990e846b6fdb7a4475b025f45e054fe2eda7653f8d93ff36bd31ebc212983f8bd3e1805abe1a8c30675c3fc59b3b6e71d1a778e6726cfbe82d9919d3

  • SSDEEP

    24576:3RaUsth0NvJX0o0I0YCPHExe7CNDBpTfL+TiswKQ911E/s7so9MeBu4hnm075YP2:lsP05t0o0Knp3L/f9U0ruu7ePH4N

Malware Config

Extracted

Family

smokeloader

Version

2022

C2

http://77.91.68.29/fks/

rc4.i32
rc4.i32

Extracted

Family

redline

Botnet

grome

C2

77.91.124.86:19084

Targets

    • Target

      ea3081b6dd31197675f5d03c9853c2a8dd51868ac0bf7956cba0cfe1f7e8ae45.exe

    • Size

      1.5MB

    • MD5

      4876370b4aa7cc5c03cbfc21da0d5c3b

    • SHA1

      4cf8de2830dc960f37ba0dd0e8d50d6be0c90206

    • SHA256

      ea3081b6dd31197675f5d03c9853c2a8dd51868ac0bf7956cba0cfe1f7e8ae45

    • SHA512

      e9fe38309061dbd5ea49ae9f7337738074c7caa3db6163bba27a18c6cf7d071015383ccd6578792018c48fd9e25ef9a883341cf3db725bc42cd5fc50ec96552f

    • SSDEEP

      24576:Myqv6Mq+w7oXYLxxccNUwCHCYqd+Rl0VxQW2Se7/+zCD13Y1:7qvPq+yJXUfjD0VD2SK/+zCD13

    • DcRat

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

    • Detect Mystic stealer payload

    • Modifies Windows Defender Real-time Protection settings

    • Mystic

      Mystic is an infostealer written in C++.

    • 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.

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

    • Adds Run key to start application

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks