agenttesla

Resubmissions

07-04-2023 15:30

230407-sxfdxshe95 6

07-04-2023 14:43

230407-r3rhpshd76 10

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General

Target

https://bazaar.abuse.ch/
Sample

230407-r3rhpshd76

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.celtic-interantional.com
Port:
587
Username:
[email protected]
Password:
blessing 2023
Email To:
[email protected]

Extracted

Family

smokeloader

Botnet

sprg

Extracted

Family

smokeloader

Version

2022

http://hoh0aeghwugh2gie.com/

http://hie7doodohpae4na.com/

http://aek0aicifaloh1yo.com/

http://yic0oosaeiy7ahng.com/

http://wa5zu7sekai8xeih.com/

rc4.i32

Extracted

Family

vidar

Version

3.3

Botnet

ea47dfbd9de704e5b28b9adeea49a50b

https://steamcommunity.com/profiles/76561199492257783

https://t.me/justsometg

Attributes

profile_id_v2
ea47dfbd9de704e5b28b9adeea49a50b
user_agent
Mozilla/5.0 (X11; Linux 3.5.4-1-ARCH i686; es) KHTML/4.9.1 (like Gecko) Konqueror/4.9

Extracted

Path

C:\Users\Admin\.oracle_jre_usage\README_TO_DECRYPT.html

Family

quantum

Ransom Note

<html> <head> <title>Quantum</title> </head> <body> <h1>Your ID:</h1> <pre> 9064d8b148a0f19a9e3598a6e0b0aeb16c31d69d7e358254164eefdf45b6ef70 </pre> <hr/> This message contains an information how to fix the troubles you've got with your network. Files on the workstations in your network were encrypted and any your attempt to change, decrypt or rename them could destroy the content. The only way to get files back is a decryption with Key, provided by the Quantum Locker. During the period your network was under our control, we downloaded a huge volume of information. Now it is stored on our servers with high-secure access. This information contains a lot of sensitive, private and personal data. Publishing of such data will cause serious consequences and even business disruption. It's not a threat, on the contrary - it's a manual how to get a way out. Quantum team doesn't aim to damage your company, our goals are only financial. After a payment you'll get network decryption, full destruction of downloaded data, information about your network vulnerabilities and penetration points. If you decide not to negotiate, in 48 hours the fact of the attack and all your information will be posted on our site and will be promoted among dozens of cyber forums, news agencies, websites etc. To contact our support and start the negotiations, please visit our support chat. It is simple, secure and you can set a password to avoid intervention of unauthorised persons. <a href="http://tijykgureh7kqq5cczzeutaoxvmf6yinpar72o3bxome7b44vwqxadyd.onion/?cid=9064d8b148a0f19a9e3598a6e0b0aeb16c31d69d7e358254164eefdf45b6ef70">http://tijykgureh7kqq5cczzeutaoxvmf6yinpar72o3bxome7b44vwqxadyd.onion/?cid=9064d8b148a0f19a9e3598a6e0b0aeb16c31d69d7e358254164eefdf45b6ef70</a> <ul> <li>Password field should be blank for the first login. <li>Note that this server is available via Tor browser only. </ul> P.S. How to get TOR browser - see at https://www.torproject.org </body> </html>

Targets

- Target
  
  https://bazaar.abuse.ch/
Score

10^/10

agenttesla amadey dcrat quantum smokeloader vidar xmrig ea47dfbd9de704e5b28b9adeea49a50b sprg backdoor microsoft collection discovery evasion infostealer keylogger miner persistence phishing ransomware rat spyware stealer themida trojan upx
- AgentTesla
  Agent Tesla is a remote access tool (RAT) written in visual basic.
  keylogger trojan stealer spyware agenttesla
- Amadey
  Amadey bot is a simple trojan bot primarily used for collecting reconnaissance information.
  trojan amadey
- DcRat
  DarkCrystal(DC) is a new .NET RAT active since June 2019 capable of loading additional plugins.
  rat infostealer dcrat
- Quantum Ransomware
  A rebrand of the MountLocker ransomware first seen in August 2021.
  ransomware quantum
- SmokeLoader
  Modular backdoor trojan in use since 2014.
  trojan backdoor smokeloader
- Vidar
  Vidar is an infostealer based on Arkei stealer.
  stealer vidar
- xmrig
  XMRig is a high performance, open source, cross platform CPU/GPU miner.
  miner xmrig
- Contacts a large (65827) amount of remote hosts
  This may indicate a network scan to discover remotely running services.
  discovery
- Creates a large amount of network flows
  This may indicate a network scan to discover remotely running services.
  discovery
- Deletes shadow copies
  Ransomware often targets backup files to inhibit system recovery.
  ransomware
- Detectes Phoenix Miner Payload
  miner
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
  evasion
- XMRig Miner payload
  miner
- Downloads MZ/PE file
- Modifies extensions of user files
  Ransomware generally changes the extension on encrypted files.
  ransomware
- 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.
- Executes dropped EXE
- Loads dropped DLL
- Reads user/profile data of web browsers
  Infostealers often target stored browser data, which can include saved credentials etc.
  spyware stealer
- Themida packer
  Detects Themida, an advanced Windows software protection system.
  themida
- UPX packed file
  Detects executables packed with UPX/modified UPX open source packer.
  upx
- Uses the VBS compiler for execution
- Accesses 2FA software files, possible credential harvesting
  spyware stealer
- Accesses Microsoft Outlook profiles
  collection
- Accesses cryptocurrency files/wallets, possible credential harvesting
  spyware
- Adds Run key to start application
  persistence
- Checks installed software on the system
  Looks up Uninstall key entries in the registry to enumerate software on the system.
  discovery
- Checks whether UAC is enabled
  evasion trojan
- 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
- Looks up external IP address via web service
  Uses a legitimate IP lookup service to find the infected system's external IP.
- Detected potential entity reuse from brand microsoft.
  phishing microsoft
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
behavioral1