General
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Target
file_v0_9.rar
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Size
7.0MB
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Sample
240130-16kzrsfbfj
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MD5
e521320796726dab79767d3c650d46be
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SHA1
407349944f7f5394265b758a33141e4f0d00aa21
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SHA256
eabc87610eaafda14e90bf8fe16dc6d39fcfa75dd6c2a1ad7650fca97c2a930a
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SHA512
4c4f12a07c71706cdf75deceb908ae081a8f268f4cef4970828d18fe66650c355fbe7680e955f800019e792c4a44742d5840663d5ee43faa7c56dde8293e6ed7
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SSDEEP
196608:Hy5DBRcCdDYU2KMzBkzfZy159t3haQ4qlNuFP7hd2TE0vh7DkrX:Hy5DoEwnzq2t3hDjGDK5vhMrX
Malware Config
Extracted
risepro
193.233.132.67:50500
Extracted
amadey
4.12
http://185.172.128.19
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install_dir
cd1f156d67
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install_file
Utsysc.exe
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strings_key
0dd3e5ee91b367c60c9e575983554b30
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url_paths
/ghsdh39s/index.php
Extracted
smokeloader
pub3
Extracted
tofsee
vanaheim.cn
jotunheim.name
Extracted
lumma
https://racerecessionrestrai.site/api
Targets
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Target
file_v0_9.rar
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Size
7.0MB
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MD5
e521320796726dab79767d3c650d46be
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SHA1
407349944f7f5394265b758a33141e4f0d00aa21
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SHA256
eabc87610eaafda14e90bf8fe16dc6d39fcfa75dd6c2a1ad7650fca97c2a930a
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SHA512
4c4f12a07c71706cdf75deceb908ae081a8f268f4cef4970828d18fe66650c355fbe7680e955f800019e792c4a44742d5840663d5ee43faa7c56dde8293e6ed7
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SSDEEP
196608:Hy5DBRcCdDYU2KMzBkzfZy159t3haQ4qlNuFP7hd2TE0vh7DkrX:Hy5DoEwnzq2t3hDjGDK5vhMrX
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DcRat
DarkCrystal(DC) is a new .NET RAT active since June 2019 capable of loading additional plugins.
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Detect Fabookie payload
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Detect ZGRat V1
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Detected Djvu ransomware
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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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Identifies VirtualBox via ACPI registry values (likely anti-VM)
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Creates new service(s)
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Downloads MZ/PE file
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Modifies Windows Firewall
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Sets service image path in registry
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Stops running service(s)
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.NET Reactor proctector
Detects an executable protected by an unregistered version of Eziriz's .NET Reactor.
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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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Drops startup file
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Executes dropped EXE
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Loads dropped DLL
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Modifies file permissions
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Registers COM server for autorun
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Unexpected DNS network traffic destination
Network traffic to other servers than the configured DNS servers was detected on the DNS port.
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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 installed software on the system
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Drops Chrome extension
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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 Enterprise v15
Persistence
Boot or Logon Autostart Execution
3Registry Run Keys / Startup Folder
3Create or Modify System Process
3Windows Service
3Pre-OS Boot
1Bootkit
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
3Registry Run Keys / Startup Folder
3Create or Modify System Process
3Windows Service
3Scheduled Task/Job
1Defense Evasion
File and Directory Permissions Modification
1Impair Defenses
2Disable or Modify System Firewall
1Modify Registry
2Pre-OS Boot
1Bootkit
1Virtualization/Sandbox Evasion
1