General
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Target
VoidFiles4.zip
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Size
661.1MB
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Sample
231227-s1r7wsaga4
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MD5
e03ec64a5d231195443ac83b2001b954
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SHA1
48d7873114da7e67a1e90146d6dcdf79157ce29c
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SHA256
98287b8ebb776856273aee94a611b02d31b3f645c7c88bfa44779883d01020a6
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SHA512
02c733532f941cfb8ce3343a433b13547cf0fac60b827003bc4a7bf71b7a55d8235f38e0cef0c13b10814c9d6a293c69dab16f2dd9aa3bf92377b37ac3314fa9
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SSDEEP
12582912:OC62QueGfBSPQ8ihONgrdAqFBjxU1ZIOU09mJjK5W19ITTCC7DIreyElxIDr1Li3:OZ3kSPQ8GOQPBjxU1vdAOK9SeCCQe31I
Malware Config
Extracted
xworm
3.1
46.105.147.140:7000
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Install_directory
%AppData%
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install_file
USB.exe
Extracted
asyncrat
Venom RAT + HVNC + Stealer + Grabber v6.0.3
newguys
46.105.147.140:1602
exjdbhvmrzsekzqd
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delay
1
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install
false
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install_file
svchost
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install_folder
%AppData%
Targets
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Target
VoidFiles4.zip
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Size
661.1MB
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MD5
e03ec64a5d231195443ac83b2001b954
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SHA1
48d7873114da7e67a1e90146d6dcdf79157ce29c
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SHA256
98287b8ebb776856273aee94a611b02d31b3f645c7c88bfa44779883d01020a6
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SHA512
02c733532f941cfb8ce3343a433b13547cf0fac60b827003bc4a7bf71b7a55d8235f38e0cef0c13b10814c9d6a293c69dab16f2dd9aa3bf92377b37ac3314fa9
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SSDEEP
12582912:OC62QueGfBSPQ8ihONgrdAqFBjxU1ZIOU09mJjK5W19ITTCC7DIreyElxIDr1Li3:OZ3kSPQ8GOQPBjxU1vdAOK9SeCCQe31I
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Detect Xworm Payload
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RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
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Async RAT payload
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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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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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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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Drops file in System32 directory
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MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Defense Evasion
Modify Registry
2Subvert Trust Controls
1Install Root Certificate
1