General

  • Target

    file.exe

  • Size

    1.3MB

  • Sample

    231024-p4l89sda5x

  • MD5

    4be5a608b4d35960795a412fb4aa396c

  • SHA1

    30e56d3901b47e0543d640de27926f25fc27f03c

  • SHA256

    fca622d2096af6d499789c6ae2afb61575c07fe93e62af79d33f5890f77e842e

  • SHA512

    e9bb712e59f76c00ccb343f32c8e826eb5cba8ca1634d13102ee557faf6e4b0281932113ab0913d59f127db3aec60ab901c0a5b5f9164f6e1ce92048e94448f0

  • SSDEEP

    24576:1ybKa+UsJQQN8cTVvN6Th2kqeyGZfgxHDwvVF75LFPJrqxB4kD+4N:Q+aVsPVwFVqey0IxHEDhoD+

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/theme/index.php

Attributes
  • install_dir

    fefffe8cea

  • install_file

    explothe.exe

  • strings_key

    36a96139c1118a354edf72b1080d4b2f

rc4.plain

Extracted

Family

redline

Botnet

kinza

C2

77.91.124.86:19084

Targets

    • Target

      file.exe

    • Size

      1.3MB

    • MD5

      4be5a608b4d35960795a412fb4aa396c

    • SHA1

      30e56d3901b47e0543d640de27926f25fc27f03c

    • SHA256

      fca622d2096af6d499789c6ae2afb61575c07fe93e62af79d33f5890f77e842e

    • SHA512

      e9bb712e59f76c00ccb343f32c8e826eb5cba8ca1634d13102ee557faf6e4b0281932113ab0913d59f127db3aec60ab901c0a5b5f9164f6e1ce92048e94448f0

    • SSDEEP

      24576:1ybKa+UsJQQN8cTVvN6Th2kqeyGZfgxHDwvVF75LFPJrqxB4kD+4N:Q+aVsPVwFVqey0IxHEDhoD+

    • 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.

    • Detected google phishing page

    • Glupteba

      Glupteba is a modular loader written in Golang with various components.

    • Glupteba payload

    • 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

    • Windows security bypass

    • Modifies boot configuration data using bcdedit

    • Blocklisted process makes network request

    • Downloads MZ/PE file

    • Drops file in Drivers directory

    • Modifies Windows Firewall

    • Possible attempt to disable PatchGuard

      Rootkits can use kernel patching to embed themselves in an operating system.

    • Stops running service(s)

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • 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 local email clients

      Email clients store some user data on disk where infostealers will often target it.

    • 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.

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks