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31-01-2025 20:51

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22-01-2025 17:19

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22-01-2025 13:44

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250120-w3q96asnh1 10

General

  • Target

    4363463463464363463463463.zip.zip

  • Size

    394KB

  • Sample

    250122-q2a9nayng1

  • MD5

    22872ef7f39c6c03422b358f867e69b7

  • SHA1

    263dbd53bf3e6766a11e0a0ce896e708be807aa0

  • SHA256

    12fce52d084a8c7efa638c88fa2307bca7c038a49fe566ebb05533cacf17efbd

  • SHA512

    d26020b40e03a1bc7dff4d872c9421e07681e4bb4bbf9172f063be7d81b060686f1091dd2603de30ae600cae250e4a94cd3f2909e88e2e26b796771b8eb6b817

  • SSDEEP

    12288:YGA+VQGlOa26BcdTJw3dzxdY4BAvcTCyY:YGfQGlg64NWv64AETI

Malware Config

Extracted

Family

xred

C2

xred.mooo.com

Attributes
  • email

    [email protected]

  • payload_url

    http://freedns.afraid.org/api/?action=getdyndns&sha=a30fa98efc092684e8d1c5cff797bcc613562978

    https://docs.google.com/uc?id=0BxsMXGfPIZfSVlVsOGlEVGxuZVk&export=download

    https://www.dropbox.com/s/n1w4p8gc6jzo0sg/SUpdate.ini?dl=1

    http://xred.site50.net/syn/SUpdate.ini

    https://docs.google.com/uc?id=0BxsMXGfPIZfSVzUyaHFYVkQxeFk&export=download

    https://www.dropbox.com/s/zhp1b06imehwylq/Synaptics.rar?dl=1

    http://xred.site50.net/syn/Synaptics.rar

    https://docs.google.com/uc?id=0BxsMXGfPIZfSTmlVYkxhSDg5TzQ&export=download

    https://www.dropbox.com/s/fzj752whr3ontsm/SSLLibrary.dll?dl=1

    http://xred.site50.net/syn/SSLLibrary.dll

Extracted

Family

quasar

Version

1.4.1

Botnet

SGVP

C2

192.168.1.9:4782

150.129.206.176:4782

Ai-Sgvp-33452.portmap.host:33452

Mutex

2464c7bf-a165-4397-85fe-def5290750b0

Attributes
  • encryption_key

    09BBDA8FF0524296F02F8F81158F33C0AA74D487

  • install_name

    User Application Data.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Windowns Client Startup

  • subdirectory

    Quasar

Extracted

Family

asyncrat

Version

0.5.8

Botnet

Default

C2

14.243.221.170:3322

127.0.0.1:6606

127.0.0.1:7707

127.0.0.1:8808

185.223.30.86:8808

Mutex

ynBzTukwLg8N

Attributes
  • delay

    3

  • install

    false

  • install_file

    Clean.bat

  • install_folder

    %Temp%

aes.plain
aes.plain
aes.plain

Extracted

Family

quasar

Version

1.4.1

Botnet

RuntimeBroker

C2

siembonik-44853.portmap.host:44853

Mutex

df483a08-855b-4bf5-bdcb-174788919889

Attributes
  • encryption_key

    A8573AD4438B1D5F6207F7C03CCC7F1E2D4B13DF

  • install_name

    RuntimeBroker.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    RuntimeBroker

  • subdirectory

    am1

Extracted

Family

redline

Botnet

25072023

C2

185.215.113.67:40960

Extracted

Family

vidar

Version

8.8

Botnet

b1d953ef7170b7533c12ec48f4e2dfdc

C2

https://tufure.xyz

https://steamcommunity.com/profiles/76561199662282318

https://t.me/t8jmhl

Attributes
  • profile_id_v2

    b1d953ef7170b7533c12ec48f4e2dfdc

  • user_agent

    Mozilla/5.0 (Windows NT; Windows NT 10.0; en-US) AppleWebKit/534.6 (KHTML, like Gecko) Chrome/8.0.500.0 Safari/534.6

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

remcos

Botnet

Crypt

C2

185.225.73.67:1050

Attributes
  • audio_folder

    576ruythg6534trewf

  • audio_path

    %WinDir%

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    1

  • copy_file

    76y5trfed675ytg.exe

  • copy_folder

    kjhgfdc

  • delete_file

    true

  • hide_file

    true

  • hide_keylog_file

    true

  • install_flag

    true

  • install_path

    %AppData%

  • keylog_crypt

    false

  • keylog_file

    654ytrf654trf654ytgref.dat

  • keylog_flag

    false

  • keylog_folder

    67yrtg564tr6754yter

  • mouse_option

    false

  • mutex

    89765y4tergfw6587ryute-80UMP1

  • screenshot_crypt

    false

  • screenshot_flag

    true

  • screenshot_folder

    67y4htergf65trgewfd654tyrfg

  • screenshot_path

    %Temp%

  • screenshot_time

    10

  • startup_value

    6754ytr756ytr7654yretg8765uyt

  • take_screenshot_option

    true

  • take_screenshot_time

    5

  • take_screenshot_title

    bank

Extracted

Family

vidar

Version

11.3

Botnet

a21440e9f7223be06be5f5e2f94969c7

C2

https://t.me/asg7rd

https://steamcommunity.com/profiles/76561199794498376

Attributes
  • user_agent

    Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/17.6 Safari/605.1.15 Ddg/17.6

Extracted

Family

quasar

Version

1.4.0.0

Botnet

Office

C2

85.192.29.60:5173

45.136.51.217:5173

Mutex

QAPB6w0UbYXMvQdKRF

Attributes
  • encryption_key

    pxC3g4rfVijQxK1hMGwM

  • install_name

    csrss.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    NET framework

  • subdirectory

    SubDir

Extracted

Family

quasar

Version

1.4.1

Botnet

Java

C2

dez345-37245.portmap.host:37245

Mutex

f0e53bcd-851e-44af-8fd5-07d8ab5ed968

Attributes
  • encryption_key

    65439CE7DEF3E0FAF01C526FEA90388C9FD487A1

  • install_name

    java.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    java ©

  • subdirectory

    Programfiles

Targets

    • Target

      4363463463464363463463463.exe

    • Size

      764KB

    • MD5

      85e3d4ac5a6ef32fb93764c090ef32b7

    • SHA1

      adedb0aab26d15cf96f66fda8b4cfbbdcc15ef52

    • SHA256

      4e5cc8cb98584335400d00f0a0803c3e0202761f3fbe50bcab3858a80df255e1

    • SHA512

      a7a037bde41bcd425be18a712e27a793185f7fde638e139bbd9d253c371cd9622385eda39cf91ab715ead2591cff5b8c9f5b31d903f138d8af7bab6a9001ccab

    • SSDEEP

      12288:6MSApJVYG5lDLyjsb0eOzkv4R7QnvUUilQ35+6G75V9Ufbj:6nsJ39LyjbJkQFMhmC+6GD9mH

    • AsyncRat

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

    • Asyncrat family

    • Detect Vidar Stealer

    • Detects Healer an antivirus disabler dropper

    • Detects ZharkBot payload

      ZharkBot is a botnet written C++.

    • Healer

      Healer an antivirus disabler dropper.

    • Healer family

    • Lockbit

      Ransomware family with multiple variants released since late 2019.

    • Lockbit family

    • Njrat family

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

    • Quasar family

    • Quasar payload

    • RedLine

      RedLine Stealer is a malware family written in C#, first appearing in early 2020.

    • RedLine payload

    • Redline family

    • Remcos

      Remcos is a closed-source remote control and surveillance software.

    • Remcos family

    • Rule to detect Lockbit 3.0 ransomware Windows payload

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Vidar family

    • Xred

      Xred is backdoor written in Delphi.

    • Xred family

    • ZharkBot

      ZharkBot is a botnet written C++.

    • Zharkbot family

    • njRAT/Bladabindi

      Widely used RAT written in .NET.

    • Async RAT payload

    • Creates a large amount of network flows

      This may indicate a network scan to discover remotely running services.

    • Blocklisted process makes network request

    • Downloads MZ/PE file

    • Drops file in Drivers directory

    • Modifies RDP port number used by Windows

    • Modifies Windows Firewall

    • Sets file to hidden

      Modifies file attributes to stop it showing in Explorer etc.

    • Sets service image path in registry

    • .NET Reactor proctector

      Detects an executable protected by an unregistered version of Eziriz's .NET Reactor.

    • Checks BIOS information in registry

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

    • 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

    • Impair Defenses: Safe Mode Boot

    • Loads dropped DLL

    • Reads data files stored by FTP clients

      Tries to access configuration files associated with programs like FileZilla.

    • 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.

    • 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.

    • 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.

    • Writes to the Master Boot Record (MBR)

      Bootkits write to the MBR to gain persistence at a level below the operating system.

    • Drops file in System32 directory

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks