General

  • Target

    241212-wymq6ssnat_pw_infected.zip

  • Size

    8KB

  • Sample

    250101-xkqrca1lal

  • MD5

    46e1dda34049ae02d12417a9ca4254a8

  • SHA1

    a9f38b7196980f20c3fee1172538db73f2065284

  • SHA256

    ba3b60449327330b4e55df4528ebcfb7b12cd3e51c16d8b56680314e43d72be2

  • SHA512

    92f17e843d624c20ad16360ed855ff1c02895379a83bd2054374f0a6f9ee3697cdee1b4d38b3833bd2c784f45504541729c29c66275eaa7f137d6d47ab340afb

  • SSDEEP

    192:bxH3A0QJWWqMk3Vp/c8hUwuz4TV3JYih6wEpby+Od7/60i2j:bxHNpfVl2bzFWDE9o/60p

Malware Config

Extracted

Family

snakekeylogger

Credentials

  • Protocol:
    ftp
  • Host:
    ftp://ftp.hogarsancamilo.org/
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    eg0wtRsF5HKA

Extracted

Family

xworm

Version

5.0

C2

panpoppo-25611.portmap.io:25611

Mutex

bkYwUfZceyxwRCdw

Attributes
  • Install_directory

    %AppData%

  • install_file

    System.exe

  • telegram

    https://api.telegram.org/bot7029474494:AAH1z4aA2-VnubfHzTm9hl-5PQmAMfTuggo/sendMessage?chat_id=5258405739

aes.plain

Extracted

Family

quasar

Version

1.4.1

Botnet

Helper Atanka

C2

193.203.238.136:8080

Mutex

14f39659-ca5b-4af7-8045-bed3500c385f

Attributes
  • encryption_key

    11049F2AEBDCF8E3A57474CD5FBA40FB2FFC5424

  • install_name

    diskutil.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    diskutil

  • subdirectory

    diskutil

Extracted

Family

quasar

Version

1.4.1

Botnet

Office04

C2

91.92.254.40:4782

Mutex

56928f7b-c5c9-4b24-af59-8c509ce1d27e

Attributes
  • encryption_key

    60574F1741A0786C827AF49C652AB3A7DA0533D1

  • install_name

    Client.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Windows System

  • subdirectory

    SubDir

Extracted

Family

gurcu

C2

https://api.telegram.org/bot7029474494:AAH1z4aA2-VnubfHzTm9hl-5PQmAMfTuggo/sendMessage?chat_id=5258405739

Targets

    • Target

      241212-wymq6ssnat_pw_infected.zip

    • Size

      8KB

    • MD5

      46e1dda34049ae02d12417a9ca4254a8

    • SHA1

      a9f38b7196980f20c3fee1172538db73f2065284

    • SHA256

      ba3b60449327330b4e55df4528ebcfb7b12cd3e51c16d8b56680314e43d72be2

    • SHA512

      92f17e843d624c20ad16360ed855ff1c02895379a83bd2054374f0a6f9ee3697cdee1b4d38b3833bd2c784f45504541729c29c66275eaa7f137d6d47ab340afb

    • SSDEEP

      192:bxH3A0QJWWqMk3Vp/c8hUwuz4TV3JYih6wEpby+Od7/60i2j:bxHNpfVl2bzFWDE9o/60p

    • AsyncRat

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

    • Asyncrat family

    • Detect Vidar Stealer

    • Detect Xworm Payload

    • Gurcu family

    • Gurcu, WhiteSnake

      Gurcu aka WhiteSnake is a malware stealer written in C#.

    • Meduza

      Meduza is a crypto wallet and info stealer written in C++.

    • Meduza Stealer payload

    • Meduza family

    • Mimikatz

      mimikatz is an open source tool to dump credentials on Windows.

    • Mimikatz family

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

    • Quasar family

    • Quasar payload

    • RunningRat

      RunningRat is a remote access trojan first seen in 2018.

    • RunningRat payload

    • Runningrat family

    • Snake Keylogger

      Keylogger and Infostealer first seen in November 2020.

    • Snake Keylogger payload

    • Snakekeylogger family

    • UAC bypass

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Vidar family

    • Windows security bypass

    • XMRig Miner payload

    • Xmrig family

    • Xworm

      Xworm is a remote access trojan written in C#.

    • Xworm family

    • xmrig

      XMRig is a high performance, open source, cross platform CPU/GPU miner.

    • Async RAT payload

    • Looks for VirtualBox Guest Additions in registry

    • OS Credential Dumping: Security Account Manager

      Malicious Registry Hive Dumping.

    • mimikatz is an open source tool to dump credentials on Windows

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

    • Creates new service(s)

    • Downloads MZ/PE file

    • Drops file in Drivers directory

    • Looks for VMWare Tools registry key

    • Server Software Component: Terminal Services DLL

    • Stops running service(s)

    • A potential corporate email address has been identified in the URL: cookie-consent@1

    • 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.

    • Clipboard Data

      Adversaries may collect data stored in the clipboard from users copying information within or between applications.

    • Credentials from Password Stores: Windows Credential Manager

      Suspicious access to Credentials History.

    • Drops startup file

    • Event Triggered Execution: Component Object Model Hijacking

      Adversaries may establish persistence by executing malicious content triggered by hijacked references to Component Object Model (COM) objects.

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads data files stored by FTP clients

      Tries to access configuration files associated with programs like FileZilla.

    • Reads local data of messenger clients

      Infostealers often target stored data of messaging applications, which can include saved credentials and account information.

    • Reads ssh keys stored on the system

      Tries to access SSH used by SSH programs.

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Unsecured Credentials: Credentials In Files

      Steal credentials from unsecured files.

    • Windows security modification

    • Accesses Microsoft Outlook profiles

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Adds Run key to start application

    • Blocklisted process makes network request

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Checks whether UAC is enabled

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Legitimate hosting services abused for malware hosting/C2

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Maps connected drives based on registry

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

    • Obfuscated Files or Information: Command Obfuscation

      Adversaries may obfuscate content during command execution to impede detection.

    • Creates a Windows Service

    • Drops file in System32 directory

    • Enumerates processes with tasklist

    • Hide Artifacts: Hidden Files and Directories

    • Suspicious use of SetThreadContext

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

MITRE ATT&CK Enterprise v15

Tasks