Resubmissions

16-12-2024 05:27

241216-f5kx6awmh1 10

14-12-2024 20:23

241214-y6jqlasrhy 10

14-12-2024 20:22

241214-y51bysvmbk 10

14-12-2024 20:13

241214-yzc98svkfr 10

14-12-2024 13:14

241214-qgw1masrcy 10

14-12-2024 13:12

241214-qfk7qsvlaq 3

12-12-2024 18:19

241212-wymq6ssnat 10

12-12-2024 18:16

241212-www7tssmet 10

General

  • Target

    241127-xqsswsslej_pw_infected.zip

  • Size

    12KB

  • Sample

    241214-y6jqlasrhy

  • MD5

    79fd058f7d06cc022de1786507eb26e3

  • SHA1

    86590ec8ed73fd2951587561dff5387e9e0e18e6

  • SHA256

    cf99eaaa334a9c8ffc2fe0e1068ffcc02dda1dd8b2b0eab2821182c5d2c1f51d

  • SHA512

    8316ac3782c05a3ebea4ca0868e33512e5ef29b251498f3af5ab261cd2010dec6b0eca8a57adcadb0d70653be2e22c0c2c137c7a38ec7b3d5ebbdd02e09c0227

  • SSDEEP

    384:sBfwcSEp9ZjKXSBIDv4dDfjlMJ7HWTHWT:wfACW6Dr8HWTHWT

Malware Config

Extracted

Family

xworm

C2

94.156.177.133:7000

Attributes
  • install_file

    USB.exe

Extracted

Family

discordrat

Attributes
  • discord_token

    MTMxNTQxMDg0NDg3NTQ4OTI4MA.Gx5ptK.HY1OYsjGMP1MsOoyD2E7T9pCvkfHTdOPozmb_c

  • server_id

    1315411300192616569

Extracted

Family

asyncrat

Version

Venom RAT + HVNC + Stealer + Grabber v6.0.2

Botnet

Crypted

C2

154.216.20.190:4449

Mutex

iwrodgxclqca

Attributes
  • delay

    1

  • install

    false

  • install_folder

    %AppData%

aes.plain

Extracted

Family

phorphiex

C2

http://185.215.113.66/

http://91.202.233.141/

Wallets

0xCa90599132C4D88907Bd8E046540284aa468a035

TRuGGXNDM1cavQ1AqMQHG8yfxP4QWVSMN6

qph44jx8r9k5xeq5cuf958krv3ewrnp5vc6hhdjd3r

XryzFMFVpDUvU7famUGf214EXD3xNUSmQf

rsXCXBf9SagxV8JfC12d8Bybk84oPdMNN9

AULzfBuUAPfCGAXoG5Vq14aP9s6fx3AH4Z

LdgchXq1sKbAaAJ1EXAPSRBzLb8jnTZstT

MP8GEm8QpYgQYaMo8oM5NQhRBgDGiLZW5Q

4AtjkCVKbtEC3UEN77SQHuH9i1XkzNiRi5VCbA2XGsJh46nJSXfGQn4GjLuupCqmC57Lo7LvKmFUyRfhtJSvKvuw3h9ReKK

15TssKwtjMtwy4vDLcLsQUZUD2B9f7eDjw85sBNVC5LRPPnC

1BzmrjmKPKSR2hH5BeJySfiVA676E8DYaK

ltc1qt0n3f0t7vz9k0mvcswk477shrxwjhf9sj5ykrp

3PMiLynrGVZ8oEqvoqC4hXD67B1WoALR4pc

3ESHude8zUHksQg1h6hHmzY79BS36L91Yn

DLUzwvyxN1RrwjByUPPzVMdfxNRPGVRMMA

t1J6GCPCiHW1eRdjJgDDu6b1vSVmL5U7Twh

stars125f3mw4xd9htpsq4zj5w5ezm5gags37yxxh6mj

bnb1msyt0djx4ecspfxg5en0ye465kg3kmv9utzml2

bc1ppypcmu3684n648gyj62gjp2rw0xy7w3vwfamatlg29ajp4z52desafa0sr

bc1qc9edl4hzl9jyt8twdad3zjeh2df2znq96tdezd

Attributes
  • mutex

    753f85d83d

  • user_agent

    Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/128.0.0.0 Safari/537.36

Extracted

Family

remcos

Botnet

RMX

C2

154.216.18.132:6868

Attributes
  • audio_folder

    MicRecords

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    1

  • copy_file

    remcos.exe

  • copy_folder

    Remcos

  • delete_file

    false

  • hide_file

    true

  • hide_keylog_file

    false

  • install_flag

    true

  • keylog_crypt

    false

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • mouse_option

    false

  • mutex

    Rmc-8G0TND

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • startup_value

    Remcos

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Extracted

Family

stealc

Botnet

7140196255

C2

http://83.217.209.11

Attributes
  • url_path

    /fd2453cf4b7dd4a4.php

Extracted

Family

mercurialgrabber

C2

https://discordapp.com/api/webhooks/1308883657456619530/0_Ad9EyrLZrIMKH4vjM6XHyvCJJtKddsiohDSyvCWZ8HIxpyNxmVJgrKb_zO-jqSHSO0

Extracted

Family

xworm

Version

5.0

C2

41.185.18.178:7777

:7777

45.141.26.234:7000

Mutex

xGKF7tgLm4vPbBOe

Attributes
  • Install_directory

    %AppData%

  • install_file

    XClient.exe

aes.plain
aes.plain

Extracted

Family

lumma

C2

https://preside-comforter.sbs/api

https://savvy-steereo.sbs/api

https://copper-replace.sbs/api

https://record-envyp.sbs/api

https://slam-whipp.sbs/api

https://wrench-creter.sbs/api

https://looky-marked.sbs/api

https://plastic-mitten.sbs/api

https://voter-screnn.cyou/api

Extracted

Family

quasar

Version

1.4.1

Botnet

Office04

C2

91.92.243.191:5401

82.64.156.123:80

Mutex

fce41024-0e2f-475b-929b-e58a126341bd

Attributes
  • encryption_key

    802CAE367B042C840DD4E29539BB1BFEC16FB48A

  • install_name

    Client.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    vchost32

  • subdirectory

    SubDir

Extracted

Family

xworm

Version

3.1

Attributes
  • Install_directory

    %Port%

  • install_file

    USB.exe

Extracted

Family

redline

Botnet

fvcxcx

C2

185.81.68.147:1912

Extracted

Family

lumma

C2

https://voter-screnn.cyou/api

https://drive-connect.cyou/api

Extracted

Family

metasploit

Version

metasploit_stager

C2

176.122.27.90:8888

Extracted

Family

quasar

Version

1.4.1

Botnet

Windows Client

C2

148.163.102.170:4782

Mutex

4c18e02c-7c39-4a5e-bbef-16fe13828101

Attributes
  • encryption_key

    73B0A3AC50C78E243EA93BF9E60C9BC63D63CA26

  • install_name

    Sever Startup.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Windows Startup

  • subdirectory

    Windows Startup

Extracted

Family

redline

Botnet

eewx

C2

185.81.68.147:1912

Extracted

Family

asyncrat

Version

0.5.8

Botnet

Default

C2

82.64.156.123:80

Mutex

9mzImB3NUR0Q

Attributes
  • delay

    3

  • install

    false

  • install_folder

    %AppData%

aes.plain

Targets

    • Target

      4363463463464363463463463.exe

    • Size

      10KB

    • MD5

      2a94f3960c58c6e70826495f76d00b85

    • SHA1

      e2a1a5641295f5ebf01a37ac1c170ac0814bb71a

    • SHA256

      2fcad226b17131da4274e1b9f8f31359bdd325c9568665f08fd1f6c5d06a23ce

    • SHA512

      fbf55b55fcfb12eb8c029562956229208b9e8e2591859d6336c28a590c92a4d0f7033a77c46ef6ebe07ddfca353aba1e84b51907cd774beab148ee901c92d62f

    • SSDEEP

      192:xlwayyHOXGc20L7BIW12n/ePSjiTlzkGu8stYcFwVc03KY:xlwwHe/20PKn/cLTlHuptYcFwVc03K

    • AsyncRat

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

    • Asyncrat family

    • Detect Vidar Stealer

    • Detect Xworm Payload

    • Detects ZharkBot payload

      ZharkBot is a botnet written C++.

    • Discord RAT

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

    • Discordrat family

    • Lumma Stealer, LummaC

      Lumma or LummaC is an infostealer written in C++ first seen in August 2022.

    • Lumma family

    • Meduza

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

    • Meduza Stealer payload

    • Meduza family

    • Mercurial Grabber Stealer

      Mercurial Grabber is an open source stealer targeting Chrome, Discord and some game clients as well as generic system information.

    • Mercurialgrabber family

    • NanoCore

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

    • Nanocore family

    • Phorphiex family

    • Phorphiex payload

    • Phorphiex, Phorpiex

      Phorphiex or Phorpiex Malware family which infects systems to distribute other malicious payloads such as ransomware, stealers and cryptominers.

    • 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

    • Stealc

      Stealc is an infostealer written in C++.

    • Stealc family

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • UAC bypass

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Vidar family

    • Xworm

      Xworm is a remote access trojan written in C#.

    • Xworm family

    • ZharkBot

      ZharkBot is a botnet written C++.

    • Zharkbot family

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

    • Looks for VirtualBox Guest Additions in registry

    • Adds policy Run key to start application

    • Blocklisted process makes network request

    • 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

    • Looks for VMWare Tools registry key

    • Possible privilege escalation attempt

    • Server Software Component: Terminal Services DLL

    • Sets file to hidden

      Modifies file attributes to stop it showing in Explorer etc.

    • 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.

    • Deletes itself

    • Drops startup file

    • Executes dropped EXE

    • Identifies Wine through registry keys

      Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

    • Loads dropped DLL

    • Modifies file permissions

    • Reads user/profile data of web browsers

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

    • Accesses Microsoft Outlook profiles

    • 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.

    • Checks whether UAC is enabled

    • Enumerates connected drives

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

    • Indicator Removal: Clear Persistence

      Clear artifacts associated with previously established persistence like scheduletasks on a host.

    • 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.

    • Power Settings

      powercfg controls all configurable power system settings on a Windows system and can be abused to prevent an infected host from locking or shutting down.

    • Drops file in System32 directory

    • Enumerates processes with tasklist

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

    • UPX packed file

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

    • Target

      New Text Document mod.exe

    • Size

      8KB

    • MD5

      69994ff2f00eeca9335ccd502198e05b

    • SHA1

      b13a15a5bea65b711b835ce8eccd2a699a99cead

    • SHA256

      2e2e035ece4accdee838ecaacdc263fa526939597954d18d1320d73c8bf810c2

    • SHA512

      ced53147894ed2dfc980bcb50767d9734ba8021f85842a53bb4bb4c502d51b4e9884f5f74c4dd2b70b53cafbe2441376675f7bd0f19bb20a3becb091a34fb9f3

    • SSDEEP

      96:y7ov9wc1dN1Unh3EHJ40CUJCrQt0LpCBIW12nEtgpH9GIkQYQoBNw9fnmK5iLjTv:yZyTFJfCB20LsBIW12n/eIkQ2BNg5S1

    • 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

    • Lumma Stealer, LummaC

      Lumma or LummaC is an infostealer written in C++ first seen in August 2022.

    • Lumma family

    • Merlin

      Merlin is a cross-platform post-exploitation C2 framework written in golang.

    • Merlin family

    • Merlin payload

    • MetaSploit

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

    • Metasploit 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

    • UAC bypass

    • Xworm

      Xworm is a remote access trojan written in C#.

    • Xworm family

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

    • Adds policy Run key to start application

    • Blocklisted process makes network request

    • Command and Scripting Interpreter: PowerShell

      Powershell Invoke Web Request.

    • Downloads MZ/PE file

    • 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

    • Executes dropped EXE

    • Identifies Wine through registry keys

      Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

    • Loads dropped DLL

    • Reads WinSCP keys stored on the system

      Tries to access WinSCP stored sessions.

    • Reads local data of messenger clients

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

    • 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.

    • 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.

    • 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.

    • Drops file in System32 directory

    • Sets desktop wallpaper using registry

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

    • UPX packed file

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

    • Target

      New Text Document mod.exse

    • Size

      8KB

    • MD5

      69994ff2f00eeca9335ccd502198e05b

    • SHA1

      b13a15a5bea65b711b835ce8eccd2a699a99cead

    • SHA256

      2e2e035ece4accdee838ecaacdc263fa526939597954d18d1320d73c8bf810c2

    • SHA512

      ced53147894ed2dfc980bcb50767d9734ba8021f85842a53bb4bb4c502d51b4e9884f5f74c4dd2b70b53cafbe2441376675f7bd0f19bb20a3becb091a34fb9f3

    • SSDEEP

      96:y7ov9wc1dN1Unh3EHJ40CUJCrQt0LpCBIW12nEtgpH9GIkQYQoBNw9fnmK5iLjTv:yZyTFJfCB20LsBIW12n/eIkQ2BNg5S1

    • 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

    • Lumma Stealer, LummaC

      Lumma or LummaC is an infostealer written in C++ first seen in August 2022.

    • Lumma family

    • Merlin

      Merlin is a cross-platform post-exploitation C2 framework written in golang.

    • Merlin family

    • Merlin payload

    • MetaSploit

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

    • Metasploit 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

    • UAC bypass

    • Xworm

      Xworm is a remote access trojan written in C#.

    • Xworm family

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

    • Adds policy Run key to start application

    • Blocklisted process makes network request

    • Command and Scripting Interpreter: PowerShell

      Run Powershell and hide display window.

    • Downloads MZ/PE file

    • 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

    • Executes dropped EXE

    • Identifies Wine through registry keys

      Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

    • Loads dropped DLL

    • Reads WinSCP keys stored on the system

      Tries to access WinSCP stored sessions.

    • Reads local data of messenger clients

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

    • 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.

    • 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.

    • 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.

    • Drops file in System32 directory

    • Sets desktop wallpaper using registry

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

    • UPX packed file

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

MITRE ATT&CK Enterprise v15

Tasks

static1

Score
3/10

behavioral1

asyncratdiscordratlummameduzamercurialgrabbernanocorephorphiexquasarredlineremcosstealcvidarxwormzharkbot7140196255cryptedfvcxcxoffice04rmxbotnetcollectiondefense_evasiondiscoveryevasionexecutionexploitinfostealerkeyloggerloaderpersistenceprivilege_escalationratrootkitspywarestealertrojanupxworm
Score
10/10

behavioral2

asyncratdiscordratlummamerlinmetasploitquasarredlinexwormdefaulteewxfvcxcxoffice04windows clientbackdoorcredential_accessdiscoveryevasionexecutioninfostealerpersistenceprivilege_escalationpyinstallerransomwareratrootkitspywarestealertrojanupx
Score
10/10

behavioral3

asyncratdiscordratlummamerlinmetasploitquasarredlinexwormdefaulteewxfvcxcxoffice04windows clientbackdoorcredential_accessdiscoveryevasionexecutioninfostealerpersistenceprivilege_escalationpyinstallerransomwareratrootkitspywarestealertrojanupx
Score
10/10