Resubmissions

24-01-2025 01:23

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24-01-2025 00:12

250124-ag75wssjak 10

28-11-2024 02:19

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27-11-2024 21:08

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27-11-2024 19:03

241127-xqf44aslcr 3

General

  • Target

    Downloaders.zip

  • Size

    12KB

  • Sample

    250124-ag75wssjak

  • MD5

    94fe78dc42e3403d06477f995770733c

  • SHA1

    ea6ba4a14bab2a976d62ea7ddd4940ec90560586

  • SHA256

    16930620b3b9166e0ffbd98f5d5b580c9919fd6ccdcc74fb996f53577f508267

  • SHA512

    add85726e7d2c69068381688fe84defe820f600e6214eff029042e3002e9f4ad52dde3b8bb28f4148cca1b950cd54d3999ce9e8445c4562d1ef2efdb1c6bdeff

  • SSDEEP

    384:6BfwcSEp9ZjKXSBIDv4dDfjlMJ7HWTHWB:efACW6Dr8HWTHWB

Malware Config

Extracted

Family

xworm

Version

5.0

C2

147.124.216.7:7000

:7000

robert2day-54368.portmap.host:54368

147.182.141.239:7000

137.184.74.73:5000

Mutex

WlO6Om8yfxIARVE4

Attributes
  • install_file

    USB.exe

  • pastebin_url

    https://pastebin.com/raw/7G6zzQwJ

aes.plain
aes.plain
aes.plain
aes.plain
aes.plain
aes.plain

Extracted

Family

metasploit

Version

windows/reverse_tcp

C2

89.197.154.116:7810

Extracted

Family

quasar

Version

1.4.1

Botnet

Office04

C2

70.34.210.80:4782

192.168.1.203:4782

192.168.1.79:4782

0.tcp.in.ngrok.io:14296

193.161.193.99:20466

Mutex

0d965223-b478-41be-af32-ad5a13d78eba

Attributes
  • encryption_key

    EBD92C218F947CFB9F2E27885F8DFFEAE9079F05

  • install_name

    MSWinpreference.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Skype

  • subdirectory

    SubDir

Extracted

Family

quasar

Version

1.4.1

Botnet

bot

C2

wexos47815-61484.portmap.host:61484

Mutex

06e2bb33-968c-4ca7-97dc-f23fbd5c3092

Attributes
  • encryption_key

    8924CB3C9515DA437A37F5AE598376261E5528FC

  • install_name

    msinfo32.exe

  • log_directory

    Update

  • reconnect_delay

    3000

  • startup_key

    Discordupdate

  • subdirectory

    dll32

Extracted

Family

xworm

Version

3.1

C2

172.86.108.55:7771

Attributes
  • Install_directory

    %AppData%

  • install_file

    USB.exe

Extracted

Family

quasar

Version

1.4.1

Botnet

VM-KU

C2

adidya354-21806.portmap.host:21806

Mutex

cf7c4d30-a326-47cc-a5f0-5a19aa014204

Attributes
  • encryption_key

    E50BC33BC56B70B1A2963DE6EA1855A0E0D0FBCE

  • install_name

    Windows Shell Interactive.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Windows Shell Interactive

Extracted

Family

asyncrat

Version

A 13

Botnet

Default

C2

163.172.125.253:333

Mutex

AsyncMutex_555223

Attributes
  • delay

    3

  • install

    false

  • install_folder

    %AppData%

aes.plain

Extracted

Family

discordrat

Attributes
  • discord_token

    MTMxNTQxMDg0NDg3NTQ4OTI4MA.Gx5ptK.HY1OYsjGMP1MsOoyD2E7T9pCvkfHTdOPozmb_c

  • server_id

    1315411300192616569

Extracted

Family

asyncrat

Version

AsyncRAT

Botnet

Default

C2

yyyson22.gleeze.com:4608

Mutex

dw

Attributes
  • delay

    3

  • install

    false

  • install_folder

    %AppData%

aes.plain

Extracted

Family

xworm

C2

super-nearest.gl.at.ply.gg:17835

Attributes
  • install_file

    USB.exe

Extracted

Family

asyncrat

Version

Esco Private rat

Botnet

Default

C2

93.123.109.39:4449

Mutex

bcrikqwuktplgvg

Attributes
  • delay

    1

  • install

    false

  • install_folder

    %AppData%

aes.plain

Extracted

Family

quasar

Version

1.4.1

Botnet

Manager

C2

serveo.net:11453

Mutex

a851cc5b-e50f-4270-9929-06c6323cdb3d

Attributes
  • encryption_key

    5A3C537E5FB2739D5B2468FC37915D58EF4AC5EA

  • install_name

    Runtime broker.exe

  • log_directory

    Microsoftsessential

  • reconnect_delay

    3000

  • startup_key

    Runtime broker

  • subdirectory

    Microsoft_Essentials

Extracted

Family

quasar

Version

1.4.1

Botnet

ROBLOX EXECUTOR

C2

192.168.50.1:4782

10.0.0.113:4782

LETSQOOO-62766.portmap.host:62766

89.10.178.51:4782

Mutex

90faf922-159d-4166-b661-4ba16af8650e

Attributes
  • encryption_key

    FFEE70B90F5EBED6085600C989F1D6D56E2DEC26

  • install_name

    windows 3543.exe

  • log_directory

    roblox executor

  • reconnect_delay

    3000

  • startup_key

    windows background updater

  • subdirectory

    windows updater

Extracted

Family

quasar

Version

1.3.0.0

Botnet

School

C2

gamwtonxristo.ddns.net:1717

Mutex

QSR_MUTEX_M3Vba1npfJg3Ale25C

Attributes
  • encryption_key

    VtojWKM7f1XyCVdB41wL

  • install_name

    comctl32.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Windows Defender Startup Scan

  • subdirectory

    Windows Defender

Extracted

Family

asyncrat

Version

0.5.8

Botnet

Default

C2

2.tcp.eu.ngrok.io:19695

Mutex

gonq3XlXWgiz

Attributes
  • delay

    3

  • install

    false

  • install_folder

    %AppData%

aes.plain

Targets

    • Target

      Downloaders.zip

    • Size

      12KB

    • MD5

      94fe78dc42e3403d06477f995770733c

    • SHA1

      ea6ba4a14bab2a976d62ea7ddd4940ec90560586

    • SHA256

      16930620b3b9166e0ffbd98f5d5b580c9919fd6ccdcc74fb996f53577f508267

    • SHA512

      add85726e7d2c69068381688fe84defe820f600e6214eff029042e3002e9f4ad52dde3b8bb28f4148cca1b950cd54d3999ce9e8445c4562d1ef2efdb1c6bdeff

    • SSDEEP

      384:6BfwcSEp9ZjKXSBIDv4dDfjlMJ7HWTHWB:efACW6Dr8HWTHWB

    • AsyncRat

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

    • Asyncrat family

    • Detect Xworm Payload

    • Discord RAT

      A RAT written in C# using Discord as a C2.

    • Discordrat family

    • MetaSploit

      Detected malicious payload which is part of the Metasploit Framework, likely generated with msfvenom or similar.

    • Metasploit family

    • NanoCore

      NanoCore is a remote access tool (RAT) with a variety of capabilities.

    • Nanocore 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

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • Xworm

      Xworm is a remote access trojan written in C#.

    • Xworm family

    • njRAT/Bladabindi

      Widely used RAT written in .NET.

    • Async RAT payload

    • Identifies VirtualBox via ACPI registry values (likely anti-VM)

    • Command and Scripting Interpreter: PowerShell

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

    • Disables Task Manager via registry modification

    • Downloads MZ/PE file

    • Event Triggered Execution: Image File Execution Options Injection

    • Modifies Windows Firewall

    • 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.

    • 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

    • 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.

    • Checks whether UAC is enabled

    • Creates a large amount of network flows

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

    • 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.

    • Checks system information in the registry

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

    • Drops autorun.inf file

      Malware can abuse Windows Autorun to spread further via attached volumes.

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

    • UPX packed file

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

MITRE ATT&CK Enterprise v15

Tasks