General

  • Target

    b4a8466ebd6ec25b836f3d0c5c54a633e4d4ec5ad8fd14edd57c14b239ffcce5.zip

  • Size

    1.5MB

  • Sample

    240402-l7j2jaec61

  • MD5

    1e0debf467c4f9863d069ef60c0f5347

  • SHA1

    71c38b0a1b0024e0e47f9a44ba76c1b6690cbcb2

  • SHA256

    f397ed92e57858c68617ace4cbf5ff8c7a65b858e54584f4374260902197be8d

  • SHA512

    e6ae2613d4e78f4617fe8f5e9bb2434dadd998f89eba94f84717499a7cb8288918dc7c53b3d35eaf395eb912dc0723d2d98d9b706bf1e4155baafbf0d6304b9a

  • SSDEEP

    49152:CiNArLCd+vFyrRhdnbnSYUnmCagjaSHEp:C4AnC4SRhdnbSYUnPdjVHEp

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

Extracted

Family

amadey

Version

3.89

C2

http://77.91.124.1

Attributes
  • install_dir

    fefffe8cea

  • install_file

    explothe.exe

  • strings_key

    36a96139c1118a354edf72b1080d4b2f

  • url_paths

    /theme/index.php

rc4.plain

Targets

    • Target

      b4a8466ebd6ec25b836f3d0c5c54a633e4d4ec5ad8fd14edd57c14b239ffcce5.exe

    • Size

      1.6MB

    • MD5

      d4d937fe82ff4a99aab43581fb89ec9f

    • SHA1

      fe92b474f9c335d77cbc3a12be2a3e0677038cf0

    • SHA256

      b4a8466ebd6ec25b836f3d0c5c54a633e4d4ec5ad8fd14edd57c14b239ffcce5

    • SHA512

      521c788a60c2f60327f28d79e53699d47d24786b9aa3af9403d103da589459e2320fb751a9803686f74f50b204387827010a96cbac5bd45b4c6947827b919a1e

    • SSDEEP

      24576:OySD8YKtnyEXKS+e1RpuiZU498QkiRimacgdx9We/12zCrzi/O+O1ajULtfT22F6:d++tAde/iQkUipYet2zCrz1d1ajk9

    • Amadey

      Amadey bot is a simple trojan bot primarily used for collecting reconnaissance information.

    • 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