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250212-qs211ssrfr 10

General

  • Target

    Downloaders.zip

  • Size

    12KB

  • Sample

    250212-qs211ssrfr

  • MD5

    94fe78dc42e3403d06477f995770733c

  • SHA1

    ea6ba4a14bab2a976d62ea7ddd4940ec90560586

  • SHA256

    16930620b3b9166e0ffbd98f5d5b580c9919fd6ccdcc74fb996f53577f508267

  • SHA512

    add85726e7d2c69068381688fe84defe820f600e6214eff029042e3002e9f4ad52dde3b8bb28f4148cca1b950cd54d3999ce9e8445c4562d1ef2efdb1c6bdeff

  • SSDEEP

    384:6BfwcSEp9ZjKXSBIDv4dDfjlMJ7HWTHWB:efACW6Dr8HWTHWB

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

dock

C2

hakim32.ddns.net:2000

pool-tournaments.gl.at.ply.gg:7445

Mutex

13123c66ee9d74c7936482e0e7d9809f

Attributes
  • reg_key

    13123c66ee9d74c7936482e0e7d9809f

  • splitter

    |'|'|

Extracted

Family

njrat

Version

0.7d

Botnet

HacKed

C2

hakim32.ddns.net:2000

127.0.0.1:5552

Mutex

003fe4ef3220cc6abe0338ba4d8225ca

Attributes
  • reg_key

    003fe4ef3220cc6abe0338ba4d8225ca

  • splitter

    |'|'|

Extracted

Family

metasploit

Version

windows/reverse_http

C2

http://89.197.154.116:7810/JL5-98HDzE-cV51W-qloUQINA7pUsNGFZFPjW_uZ8xjBMXwLZNpa0ku9HgjpwUboYLnIKjtloGzNwoSb9_VBof0srB7fI68UvezrvMAF_MoS0FyHGsFwRuBHi3lwYkUyeWfclOiorHx7FJOgomJsF5DlIPkzRC2u2k4cQQVPcXwgUaFAf_1gbVSRdnx

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

quasar

Version

1.4.1

Botnet

Office04

C2

192.168.43.241:4782

Mutex

0d40e7a7-49fe-45a6-9c6d-b8affa11f503

Attributes
  • encryption_key

    6095BF6D5D58D02597F98370DFD1CCEB782F1EDD

  • install_name

    Client.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    svhost

  • subdirectory

    SubDir

Extracted

Family

redline

Botnet

cheat

C2

103.84.89.222:33791

Extracted

Family

redline

Botnet

wind

C2

194.190.152.223:40355

Attributes
  • auth_value

    8834064a70f1a34ac1e47c2315ab253e

Extracted

Family

azorult

C2

http://195.245.112.115/index.php

Targets

    • Target

      4363463463464363463463463.exe

    • Size

      10KB

    • MD5

      2a94f3960c58c6e70826495f76d00b85

    • SHA1

      e2a1a5641295f5ebf01a37ac1c170ac0814bb71a

    • SHA256

      2fcad226b17131da4274e1b9f8f31359bdd325c9568665f08fd1f6c5d06a23ce

    • SHA512

      fbf55b55fcfb12eb8c029562956229208b9e8e2591859d6336c28a590c92a4d0f7033a77c46ef6ebe07ddfca353aba1e84b51907cd774beab148ee901c92d62f

    • SSDEEP

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

    • MetaSploit

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

    • Metasploit 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

    • SectopRAT

      SectopRAT is a remote access trojan first seen in November 2019.

    • SectopRAT payload

    • Sectoprat family

    • njRAT/Bladabindi

      Widely used RAT written in .NET.

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

    • Adds policy Run key to start application

    • 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

    • 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

    • 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 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.

    • 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.

    • Drops desktop.ini file(s)

    • 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

    • Drops autorun.inf file

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

    • Drops file in System32 directory

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

    • Target

      New Text Document mod.exe

    • Size

      8KB

    • MD5

      69994ff2f00eeca9335ccd502198e05b

    • SHA1

      b13a15a5bea65b711b835ce8eccd2a699a99cead

    • SHA256

      2e2e035ece4accdee838ecaacdc263fa526939597954d18d1320d73c8bf810c2

    • SHA512

      ced53147894ed2dfc980bcb50767d9734ba8021f85842a53bb4bb4c502d51b4e9884f5f74c4dd2b70b53cafbe2441376675f7bd0f19bb20a3becb091a34fb9f3

    • SSDEEP

      96:y7ov9wc1dN1Unh3EHJ40CUJCrQt0LpCBIW12nEtgpH9GIkQYQoBNw9fnmK5iLjTv:yZyTFJfCB20LsBIW12n/eIkQ2BNg5S1

    • Azorult

      An information stealer that was first discovered in 2016, targeting browsing history and passwords.

    • Azorult family

    • Detect Vidar Stealer

    • RedLine

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

    • RedLine payload

    • Redline family

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Vidar family

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

    • Downloads MZ/PE file

    • Checks BIOS information in registry

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

    • 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 user/profile data of web browsers

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

    • Legitimate hosting services abused for malware hosting/C2

    • Enumerates processes with tasklist

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Target

      New Text Document mod.exse

    • Size

      8KB

    • MD5

      69994ff2f00eeca9335ccd502198e05b

    • SHA1

      b13a15a5bea65b711b835ce8eccd2a699a99cead

    • SHA256

      2e2e035ece4accdee838ecaacdc263fa526939597954d18d1320d73c8bf810c2

    • SHA512

      ced53147894ed2dfc980bcb50767d9734ba8021f85842a53bb4bb4c502d51b4e9884f5f74c4dd2b70b53cafbe2441376675f7bd0f19bb20a3becb091a34fb9f3

    • SSDEEP

      96:y7ov9wc1dN1Unh3EHJ40CUJCrQt0LpCBIW12nEtgpH9GIkQYQoBNw9fnmK5iLjTv:yZyTFJfCB20LsBIW12n/eIkQ2BNg5S1

    • Downloads MZ/PE file

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

    • Reads user/profile data of web browsers

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

MITRE ATT&CK Enterprise v15

Tasks