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General

  • Target

    NEAS.319d89eb4bc1fde194704b86466c0be5ffebb433d40cb187530c7f458ff5b477exe_JC.exe

  • Size

    230KB

  • Sample

    231023-t8vtesaf6s

  • MD5

    1df3a5bb06cc6d4176fd4bb3fe5f6bcc

  • SHA1

    de3a5be9c1f9b4dbf905b3d5ad02cadb83787233

  • SHA256

    319d89eb4bc1fde194704b86466c0be5ffebb433d40cb187530c7f458ff5b477

  • SHA512

    d6f136eead9121f1d56ebd6661f1d2810a542948e03eaa4c97b2510fb3b202400410fa1c4c3de41d8753d7d59c50763298241bbdfe125611bfa33d8b599d2de8

  • SSDEEP

    6144:7mbX4FIRd5DzznuBosiDKl51eAORBozDKPs6/laTi:74IKd5DPyefBoGrkTi

Malware Config

Extracted

Family

smokeloader

Version

2022

C2

http://77.91.68.29/fks/

http://yvzgz.cyou/index.php

https://yvzgz.cyou/index.php

rc4.i32
rc4.i32
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

Extracted

Family

redline

Botnet

YT&TEAM CLOUD

C2

185.216.70.238:37515

Extracted

Family

smokeloader

Botnet

up3

Extracted

Family

smokeloader

Version

2020

C2

http://host-file-host6.com/

http://host-host-file8.com/

rc4.i32
rc4.i32

Extracted

Family

asyncrat

Version

Venom RAT + HVNC + Stealer + Grabber v6.0.3

Botnet

Default

C2

89.23.100.93:4449

Mutex

oonrejgwedvxwse

Attributes
  • delay

    1

  • install

    true

  • install_file

    calc.exe

  • install_folder

    %AppData%

aes.plain

Targets

    • Target

      NEAS.319d89eb4bc1fde194704b86466c0be5ffebb433d40cb187530c7f458ff5b477exe_JC.exe

    • Size

      230KB

    • MD5

      1df3a5bb06cc6d4176fd4bb3fe5f6bcc

    • SHA1

      de3a5be9c1f9b4dbf905b3d5ad02cadb83787233

    • SHA256

      319d89eb4bc1fde194704b86466c0be5ffebb433d40cb187530c7f458ff5b477

    • SHA512

      d6f136eead9121f1d56ebd6661f1d2810a542948e03eaa4c97b2510fb3b202400410fa1c4c3de41d8753d7d59c50763298241bbdfe125611bfa33d8b599d2de8

    • SSDEEP

      6144:7mbX4FIRd5DzznuBosiDKl51eAORBozDKPs6/laTi:74IKd5DPyefBoGrkTi

    • Amadey

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

    • AsyncRat

      AsyncRAT is designed to remotely monitor and control other computers written in C#.

    • 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

    • Async RAT payload

    • 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 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.

    • Legitimate hosting services abused for malware hosting/C2

    • Manipulates WinMon driver.

      Roottkits write to WinMon to hide PIDs from being detected.

    • Manipulates WinMonFS driver.

      Roottkits write to WinMonFS to hide directories/files from being detected.

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks