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General

  • Target

    Downloaders.zip

  • Size

    12KB

  • Sample

    240509-bvkr7adc87

  • MD5

    94fe78dc42e3403d06477f995770733c

  • SHA1

    ea6ba4a14bab2a976d62ea7ddd4940ec90560586

  • SHA256

    16930620b3b9166e0ffbd98f5d5b580c9919fd6ccdcc74fb996f53577f508267

  • SHA512

    add85726e7d2c69068381688fe84defe820f600e6214eff029042e3002e9f4ad52dde3b8bb28f4148cca1b950cd54d3999ce9e8445c4562d1ef2efdb1c6bdeff

  • SSDEEP

    384:6BfwcSEp9ZjKXSBIDv4dDfjlMJ7HWTHWB:efACW6Dr8HWTHWB

Malware Config

Extracted

Family

amadey

Version

4.18

C2

http://185.172.128.3

Attributes
  • install_dir

    One_Dragon_Center

  • install_file

    MSI.CentralServer.exe

  • strings_key

    fd2f5851d3165c210396dcbe9930d294

  • url_paths

    /QajE3OBS/index.php

rc4.plain

Extracted

Family

lumma

C2

gstatic-node.io

Extracted

Family

vidar

Version

8.7

Botnet

b699ecb1aa34580fba79282dae821438

C2

https://steamcommunity.com/profiles/76561199658817715

https://t.me/sa9ok

Attributes
  • profile_id_v2

    b699ecb1aa34580fba79282dae821438

  • user_agent

    Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.0.0 Safari/537.36

Extracted

Family

risepro

C2

147.45.47.126:58709

Extracted

Family

remcos

Botnet

RemoteHost

C2

107.173.4.16:2560

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

    false

  • hide_keylog_file

    true

  • install_flag

    false

  • keylog_crypt

    true

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • mouse_option

    false

  • mutex

    Rmc-KDW6BI

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • startup_value

    

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Extracted

Family

asyncrat

Version

0.5.8

Botnet

Default

Mutex

NvCHbLc8lsi9

Attributes
  • delay

    3

  • install

    false

  • install_folder

    %AppData%

  • pastebin_config

    https://pastebin.ai/raw/o87oy6ywss

aes.plain

Extracted

Family

redline

Botnet

7001210066

C2

https://pastebin.com/raw/KE5Mft0T

Extracted

Family

redline

Botnet

5637482599

C2

https://pastebin.com/raw/NgsUAPya

Extracted

Family

redline

Botnet

5345987420

C2

https://pastebin.com/raw/KE5Mft0T

Extracted

Family

socks5systemz

C2

http://ejwxuuw.ua/search/?q=67e28dd8655ba77a135ffe187c27d78406abdd88be4b12eab517aa5c96bd86ec90864e845a8bbc896c58e713bc90c91d36b5281fc235a925ed3e06d6bd974a95129070b616e96cc92be510b866db51b9e34eed4c2b14a82966836f23d7f210c7ee90983ac56d9516

http://bvseouc.com/search/?q=67e28dd86f59a17b435afa187c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4fe8889b5e4fa9281ae978a271ea771795af8e05c645db22f31dfe339426fa12a466c553adb719a9577e55b8603e983a608ffa13c1e797993e

Targets

    • Target

      4363463463464363463463463.exe

    • Size

      10KB

    • MD5

      2a94f3960c58c6e70826495f76d00b85

    • SHA1

      e2a1a5641295f5ebf01a37ac1c170ac0814bb71a

    • SHA256

      2fcad226b17131da4274e1b9f8f31359bdd325c9568665f08fd1f6c5d06a23ce

    • SHA512

      fbf55b55fcfb12eb8c029562956229208b9e8e2591859d6336c28a590c92a4d0f7033a77c46ef6ebe07ddfca353aba1e84b51907cd774beab148ee901c92d62f

    • SSDEEP

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

    • AgentTesla

      Agent Tesla is a remote access tool (RAT) written in visual basic.

    • Amadey

      Amadey bot is a simple trojan bot primarily used for collecting reconnaissance information.

    • Blackmoon, KrBanker

      Blackmoon also known as KrBanker is banking trojan first discovered in early 2014.

    • Detect Blackmoon payload

    • Detect Lumma Stealer payload V2

    • Detect Lumma Stealer payload V4

    • Detect Vidar Stealer

    • Detect Xworm Payload

    • Detect ZGRat V1

    • Glupteba

      Glupteba is a modular loader written in Golang with various components.

    • Glupteba payload

    • Lumma Stealer

      An infostealer written in C++ first seen in August 2022.

    • RedLine

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

    • RedLine payload

    • Rhadamanthys

      Rhadamanthys is an info stealer written in C++ first seen in August 2022.

    • SectopRAT

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

    • SectopRAT payload

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • XMRig Miner payload

    • Xworm

      Xworm is a remote access trojan written in C#.

    • ZGRat

      ZGRat is remote access trojan written in C#.

    • xmrig

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

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

    • Blocklisted process makes network request

    • Command and Scripting Interpreter: PowerShell

      Run Powershell and hide display window.

    • Creates new service(s)

    • Downloads MZ/PE file

    • Drops file in Drivers directory

    • Modifies Windows Firewall

    • Stops running service(s)

    • .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.

    • Drops startup file

    • Executes dropped EXE

    • Loads dropped DLL

    • Themida packer

      Detects Themida, an advanced Windows software protection system.

    • UPX packed file

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

    • Unexpected DNS network traffic destination

      Network traffic to other servers than the configured DNS servers was detected on the DNS port.

    • Uses the VBS compiler for execution

    • VMProtect packed file

      Detects executables packed with VMProtect commercial packer.

    • 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.

    • 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.

    • Manipulates WinMonFS driver.

      Roottkits write to WinMonFS to hide directories/files from being detected.

    • AutoIT Executable

      AutoIT scripts compiled to PE executables.

    • 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

    • AsyncRat

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

    • Blackmoon, KrBanker

      Blackmoon also known as KrBanker is banking trojan first discovered in early 2014.

    • Detect Blackmoon payload

    • PrivateLoader

      PrivateLoader is a downloader sold as a pay-per-install malware distribution service.

    • RedLine

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

    • RedLine payload

    • Remcos

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

    • RisePro

      RisePro stealer is an infostealer distributed by PrivateLoader.

    • Socks5Systemz

      Socks5Systemz is a botnet written in C++.

    • Async RAT payload

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

    • NirSoft MailPassView

      Password recovery tool for various email clients

    • NirSoft WebBrowserPassView

      Password recovery tool for various web browsers

    • Nirsoft

    • 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.

    • Downloads MZ/PE file

    • Sets file execution options in registry

    • Sets service image path in registry

    • Checks BIOS information in registry

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

    • Executes dropped EXE

    • 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.

    • Themida packer

      Detects Themida, an advanced Windows software protection system.

    • UPX packed file

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

    • Accesses Microsoft Outlook accounts

    • 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

    • 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.

    • AutoIT Executable

      AutoIT scripts compiled to PE executables.

    • Suspicious use of NtCreateThreadExHideFromDebugger

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

    • Target

      New Text Document mod.exse

    • Size

      8KB

    • MD5

      69994ff2f00eeca9335ccd502198e05b

    • SHA1

      b13a15a5bea65b711b835ce8eccd2a699a99cead

    • SHA256

      2e2e035ece4accdee838ecaacdc263fa526939597954d18d1320d73c8bf810c2

    • SHA512

      ced53147894ed2dfc980bcb50767d9734ba8021f85842a53bb4bb4c502d51b4e9884f5f74c4dd2b70b53cafbe2441376675f7bd0f19bb20a3becb091a34fb9f3

    • SSDEEP

      96:y7ov9wc1dN1Unh3EHJ40CUJCrQt0LpCBIW12nEtgpH9GIkQYQoBNw9fnmK5iLjTv:yZyTFJfCB20LsBIW12n/eIkQ2BNg5S1

    • AgentTesla

      Agent Tesla is a remote access tool (RAT) written in visual basic.

    • AsyncRat

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

    • Blackmoon, KrBanker

      Blackmoon also known as KrBanker is banking trojan first discovered in early 2014.

    • Detect Blackmoon payload

    • PrivateLoader

      PrivateLoader is a downloader sold as a pay-per-install malware distribution service.

    • RedLine

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

    • RedLine payload

    • Remcos

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

    • RisePro

      RisePro stealer is an infostealer distributed by PrivateLoader.

    • Socks5Systemz

      Socks5Systemz is a botnet written in C++.

    • Async RAT payload

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

    • NirSoft MailPassView

      Password recovery tool for various email clients

    • NirSoft WebBrowserPassView

      Password recovery tool for various web browsers

    • Nirsoft

    • Command and Scripting Interpreter: PowerShell

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

    • Downloads MZ/PE file

    • Sets file execution options in registry

    • Sets service image path in registry

    • Checks BIOS information in registry

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

    • Executes dropped EXE

    • 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.

    • Themida packer

      Detects Themida, an advanced Windows software protection system.

    • UPX packed file

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

    • Unexpected DNS network traffic destination

      Network traffic to other servers than the configured DNS servers was detected on the DNS port.

    • Accesses Microsoft Outlook accounts

    • 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

    • 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.

    • AutoIT Executable

      AutoIT scripts compiled to PE executables.

    • Suspicious use of NtCreateThreadExHideFromDebugger

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks

static1

Score
3/10

behavioral1

agentteslaamadeyblackmoongluptebalummaredlinerhadamanthyssectopratvidarxmrigxwormzgratb699ecb1aa34580fba79282dae821438bankerdiscoverydropperevasionexecutioninfostealerkeyloggerloaderminerpersistencepyinstallerratrootkitspywarestealerthemidatrojanupxvmprotect
Score
10/10

behavioral2

asyncratblackmoonprivateloaderredlineremcosriseprosocks5systemz534598742056374825997001210066defaultremotehostbankerbootkitbotnetcollectiondiscoveryevasionexecutioninfostealerloaderpersistencepyinstallerratspywarestealerthemidatrojanupx
Score
10/10

behavioral3

agentteslaasyncratblackmoonprivateloaderredlineremcosriseprosocks5systemz534598742056374825997001210066defaultremotehostbankerbootkitbotnetcollectiondiscoveryevasionexecutioninfostealerkeyloggerloaderpersistencepyinstallerratspywarestealerthemidatrojanupx
Score
10/10