Resubmissions
23-09-2021 21:08
210923-zyzyaafbfr 1022-09-2021 10:40
210922-mqyzssehck 1022-09-2021 05:21
210922-f114ksecck 1021-09-2021 05:29
210921-f6zspsgdg2 1020-09-2021 21:51
210920-1qj3jafed9 1020-09-2021 19:44
210920-yftswafca9 1020-09-2021 08:28
210920-kczcasgahr 1020-09-2021 04:42
210920-fb3acafedj 1020-09-2021 04:42
210920-fb2zksfecr 10General
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Target
setup_x86_x64_install.exe
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Size
4.0MB
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Sample
210922-mqyzssehck
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MD5
73491325fde5366b31c09da701d07dd6
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SHA1
a4e1ada57e590c2df30fc26fad5f3ca57ad922b1
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SHA256
56a461a6cc8ad9c10cdc1d19a12d5deceb9ebefb0c871a3fc2eb83c466947a11
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SHA512
28b5008c542e9c486529934f74774d6d2de4b98531483b24c3c7cf82bf2214b959a1feb0085014026dd278d2a18ac6ae8a0e5a7ebb36be28abf6dccbf2d38e88
Malware Config
Extracted
smokeloader
2020
http://varmisende.com/upload/
http://fernandomayol.com/upload/
http://nextlytm.com/upload/
http://people4jan.com/upload/
http://asfaltwerk.com/upload/
Extracted
redline
janesam
65.108.20.195:6774
Extracted
redline
UTS
45.9.20.20:13441
Extracted
vidar
40.7
706
https://petrenko96.tumblr.com/
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profile_id
706
Extracted
metasploit
windows/single_exec
Extracted
C:\Users\Admin\AppData\Local\Temp\7zS26D7.tmp\__data__\config.txt
ryuk
Extracted
redline
REC
185.215.113.107:61144
Targets
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Target
setup_x86_x64_install.exe
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Size
4.0MB
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MD5
73491325fde5366b31c09da701d07dd6
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SHA1
a4e1ada57e590c2df30fc26fad5f3ca57ad922b1
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SHA256
56a461a6cc8ad9c10cdc1d19a12d5deceb9ebefb0c871a3fc2eb83c466947a11
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SHA512
28b5008c542e9c486529934f74774d6d2de4b98531483b24c3c7cf82bf2214b959a1feb0085014026dd278d2a18ac6ae8a0e5a7ebb36be28abf6dccbf2d38e88
Score10/10-
Glupteba
Glupteba is a modular loader written in Golang with various components.
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Glupteba Payload
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MetaSploit
Detected malicious payload which is part of the Metasploit Framework, likely generated with msfvenom or similar.
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Modifies Windows Defender Real-time Protection settings
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Oski
Oski is an infostealer targeting browser data, crypto wallets.
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Process spawned unexpected child process
This typically indicates the parent process was compromised via an exploit or macro.
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RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
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RedLine Payload
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Ryuk
Ransomware distributed via existing botnets, often Trickbot or Emotet.
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SmokeLoader
Modular backdoor trojan in use since 2014.
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Socelars
Socelars is an infostealer targeting browser cookies and credit card credentials.
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Socelars Payload
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Suspicious use of NtCreateProcessExOtherParentProcess
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Vidar
Vidar is an infostealer based on Arkei stealer.
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Zloader, Terdot, DELoader, ZeusSphinx
Zloader is a malware strain that was initially discovered back in August 2015.
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suricata: ET MALWARE AutoHotkey Downloader Checkin via IPLogger
suricata: ET MALWARE AutoHotkey Downloader Checkin via IPLogger
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suricata: ET MALWARE EXE Download Request To Wordpress Folder Likely Malicious
suricata: ET MALWARE EXE Download Request To Wordpress Folder Likely Malicious
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suricata: ET MALWARE JS/Nemucod requesting EXE payload 2016-02-01
suricata: ET MALWARE JS/Nemucod requesting EXE payload 2016-02-01
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suricata: ET MALWARE Potential Dridex.Maldoc Minimal Executable Request
suricata: ET MALWARE Potential Dridex.Maldoc Minimal Executable Request
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suricata: ET MALWARE Single char EXE direct download likely trojan (multiple families)
suricata: ET MALWARE Single char EXE direct download likely trojan (multiple families)
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suricata: ET MALWARE Suspicious Zipped Filename in Outbound POST Request (Passwords.txt)
suricata: ET MALWARE Suspicious Zipped Filename in Outbound POST Request (Passwords.txt)
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suricata: ET MALWARE Terse alphanumeric executable downloader high likelihood of being hostile
suricata: ET MALWARE Terse alphanumeric executable downloader high likelihood of being hostile
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suricata: ET MALWARE Vidar/Arkei Stealer Client Data Upload
suricata: ET MALWARE Vidar/Arkei Stealer Client Data Upload
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suricata: ET MALWARE Vidar/Arkei/Megumin/Oski Stealer Data Exfil
suricata: ET MALWARE Vidar/Arkei/Megumin/Oski Stealer Data Exfil
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suricata: ET MALWARE Win32/Adware.Agent.NSU CnC Activity
suricata: ET MALWARE Win32/Adware.Agent.NSU CnC Activity
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suricata: ET MALWARE Win32/Adware.Agent.NSU CnC Activity M2
suricata: ET MALWARE Win32/Adware.Agent.NSU CnC Activity M2
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xmrig
XMRig is a high performance, open source, cross platform CPU/GPU miner.
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Checks for common network interception software
Looks in the registry for tools like Wireshark or Fiddler commonly used to analyze network activity.
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Identifies VirtualBox via ACPI registry values (likely anti-VM)
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Vidar Stealer
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XMRig Miner Payload
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ASPack v2.12-2.42
Detects executables packed with ASPack v2.12-2.42
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Blocklisted process makes network request
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Downloads MZ/PE file
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Drops file in Drivers directory
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Executes dropped EXE
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Checks BIOS information in registry
BIOS information is often read in order to detect sandboxing environments.
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Checks computer location settings
Looks up country code configured in the registry, likely geofence.
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Loads dropped DLL
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Modifies file permissions
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Reads user/profile data of local email clients
Email clients store some user data on disk where infostealers will often target it.
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Reads user/profile data of web browsers
Infostealers often target stored browser data, which can include saved credentials etc.
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Themida packer
Detects Themida, an advanced Windows software protection system.
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Accesses 2FA software files, possible credential harvesting
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Accesses cryptocurrency files/wallets, possible credential harvesting
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Adds Run key to start application
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Checks for any installed AV software in registry
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Checks installed software on the system
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Checks whether UAC is enabled
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Drops Chrome extension
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Drops desktop.ini file(s)
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Enumerates connected drives
Attempts to read the root path of hard drives other than the default C: drive.
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Legitimate hosting services abused for malware hosting/C2
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Looks up external IP address via web service
Uses a legitimate IP lookup service to find the infected system's external IP.
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Writes to the Master Boot Record (MBR)
Bootkits write to the MBR to gain persistence at a level below the operating system.
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Drops file in System32 directory
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Suspicious use of NtSetInformationThreadHideFromDebugger
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Suspicious use of SetThreadContext
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MITRE ATT&CK Matrix ATT&CK v6
Persistence
Modify Existing Service
1Registry Run Keys / Startup Folder
1Bootkit
1Scheduled Task
1BITS Jobs
1Defense Evasion
Modify Registry
4Disabling Security Tools
1Virtualization/Sandbox Evasion
1File Permissions Modification
1BITS Jobs
1Install Root Certificate
1