General

  • Target

    file.exe

  • Size

    1.1MB

  • Sample

    231010-fdy1psah4x

  • MD5

    f1b6e79a6cc817e53b03defcc3fb93ad

  • SHA1

    4ef9a1237347349aa59ee0f42562989ff30965f9

  • SHA256

    9becb06f90277ce91eb40c579d6f773cec99b1ca61bcdae1fdddce754fa8dd20

  • SHA512

    ea003cdd09731dbad0fe41ed3c9e670e748f5b4c10d6b3f8d83d1ada7fb0276fc450721f6960c9f6571331ee7d8720fb842f4f83e30adbb6141e50a450e33c25

  • SSDEEP

    24576:+y71LbDTSH/5j5WMd/maLhhcq433xlCzbe3396V8PmTI/:NhLbD2BcEpUzWWd6auT

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

amadey

Version

3.89

C2

http://77.91.124.1/theme/index.php

Attributes
  • install_dir

    fefffe8cea

  • install_file

    explothe.exe

  • strings_key

    36a96139c1118a354edf72b1080d4b2f

rc4.plain

Extracted

Family

redline

Botnet

lutyr

C2

77.91.124.55:19071

Extracted

Family

redline

Botnet

6012068394_99

C2

https://pastebin.com/raw/8baCJyMF

Targets

    • Target

      file.exe

    • Size

      1.1MB

    • MD5

      f1b6e79a6cc817e53b03defcc3fb93ad

    • SHA1

      4ef9a1237347349aa59ee0f42562989ff30965f9

    • SHA256

      9becb06f90277ce91eb40c579d6f773cec99b1ca61bcdae1fdddce754fa8dd20

    • SHA512

      ea003cdd09731dbad0fe41ed3c9e670e748f5b4c10d6b3f8d83d1ada7fb0276fc450721f6960c9f6571331ee7d8720fb842f4f83e30adbb6141e50a450e33c25

    • SSDEEP

      24576:+y71LbDTSH/5j5WMd/maLhhcq433xlCzbe3396V8PmTI/:NhLbD2BcEpUzWWd6auT

    • 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.

    • 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.

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • Downloads MZ/PE file

    • Drops file in Drivers directory

    • Stops running service(s)

    • 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.

    • Legitimate hosting services abused for malware hosting/C2

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks