General
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Target
New Compressed (zipped) Folder.zip
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Size
1.3MB
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Sample
231026-bdtzjaac74
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MD5
535beac05f92cb87b44fdb200ed0b91d
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SHA1
328b70074e8188a2769da97bd0716cfdc012747b
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SHA256
6fd5119bdad0949e7fc1c1818251468a17d85d9bbfe040f7b45b8994ecc8864e
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SHA512
dd852656daa9b2e3af836662364e74bfe7bf5b094c4743da461b523618015f779aa37eec5dedf269eb7813ab9ef6dce3c2f917c68ac6e2959a16099ba55bd674
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SSDEEP
24576:Sk6/zDG++edCGSXZdqbtjXOMUj7cUezssa1PspFi8GA+HEhg4UA+i8+gR:Sk0zDBdRSXZdIhEyz8PuiYEEhtUA+bR
Static task
static1
Behavioral task
behavioral1
Sample
New Compressed (zipped) Folder.zip
Resource
win10-20231020-en
Malware Config
Extracted
tofsee
vanaheim.cn
jotunheim.name
Extracted
smokeloader
2022
http://77.91.68.29/fks/
Extracted
warzonerat
173.212.199.134:4411
Extracted
redline
grome
77.91.124.86:19084
Extracted
amadey
3.89
http://77.91.124.1/theme/index.php
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install_dir
fefffe8cea
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install_file
explothe.exe
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strings_key
36a96139c1118a354edf72b1080d4b2f
Extracted
redline
kinza
77.91.124.86:19084
Extracted
smokeloader
up3
Targets
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Target
New Compressed (zipped) Folder.zip
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Size
1.3MB
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MD5
535beac05f92cb87b44fdb200ed0b91d
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SHA1
328b70074e8188a2769da97bd0716cfdc012747b
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SHA256
6fd5119bdad0949e7fc1c1818251468a17d85d9bbfe040f7b45b8994ecc8864e
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SHA512
dd852656daa9b2e3af836662364e74bfe7bf5b094c4743da461b523618015f779aa37eec5dedf269eb7813ab9ef6dce3c2f917c68ac6e2959a16099ba55bd674
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SSDEEP
24576:Sk6/zDG++edCGSXZdqbtjXOMUj7cUezssa1PspFi8GA+HEhg4UA+i8+gR:Sk0zDBdRSXZdIhEyz8PuiYEEhtUA+bR
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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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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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Suspicious use of NtCreateUserProcessOtherParentProcess
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WarzoneRat, AveMaria
WarzoneRat is a native RAT developed in C++ with multiple plugins sold as a MaaS.
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Modifies boot configuration data using bcdedit
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Renames multiple (214) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
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Warzone RAT payload
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Blocklisted process makes network request
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Creates new service(s)
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Downloads MZ/PE file
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Drops file in Drivers directory
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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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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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Executes dropped EXE
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Loads dropped DLL
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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 Microsoft Outlook profiles
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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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Drops desktop.ini file(s)
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Legitimate hosting services abused for malware hosting/C2
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Drops file in System32 directory
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Suspicious use of SetThreadContext
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MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
2Create or Modify System Process
4Windows Service
4Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
2Create or Modify System Process
4Windows Service
4Scheduled Task/Job
1Defense Evasion
Impair Defenses
4Disable or Modify Tools
3Indicator Removal
3File Deletion
3Modify Registry
6