General
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Target
file.exe
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Size
3.2MB
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Sample
241213-r75wws1qgv
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MD5
acf48e01c1d4d71dbfde9e5a4b52c38c
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SHA1
6950a4271a4e357e3309f553673849ff0d26e3c5
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SHA256
1d43eaa2b566d2111d938ef9617a65304db66158c4499d8b3a37db3d6607daa9
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SHA512
2013170dc32e9f9e9cc1dbbbc2e3f425a61511635eef161d56815d592537ecc7f0b11209e8d777f3d43cd5db548339d4dcae8d6e6c35ac2046e5936be4fc8299
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SSDEEP
49152:4VZvytWJYyZcALa38506hvjjO3Rj7IdzCodAXuLdsCT5ApUxAtfpSS2vpb:ULa3850o76hj7IdmodzdsCTayABYSQb
Static task
static1
Malware Config
Extracted
amadey
4.42
9c9aa5
http://185.215.113.43
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install_dir
abc3bc1985
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install_file
skotes.exe
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strings_key
8a35cf2ea38c2817dba29a4b5b25dcf0
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url_paths
/Zu7JuNko/index.php
Extracted
lumma
https://impend-differ.biz/api
https://print-vexer.biz/api
https://dare-curbys.biz/api
https://covery-mover.biz/api
https://formy-spill.biz/api
https://dwell-exclaim.biz/api
https://zinc-sneark.biz/api
https://se-blurry.biz/api
https://drive-connect.cyou/api
Extracted
stealc
stok
http://185.215.113.206
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url_path
/c4becf79229cb002.php
Extracted
lumma
https://drive-connect.cyou/api
Targets
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Target
file.exe
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Size
3.2MB
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MD5
acf48e01c1d4d71dbfde9e5a4b52c38c
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SHA1
6950a4271a4e357e3309f553673849ff0d26e3c5
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SHA256
1d43eaa2b566d2111d938ef9617a65304db66158c4499d8b3a37db3d6607daa9
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SHA512
2013170dc32e9f9e9cc1dbbbc2e3f425a61511635eef161d56815d592537ecc7f0b11209e8d777f3d43cd5db548339d4dcae8d6e6c35ac2046e5936be4fc8299
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SSDEEP
49152:4VZvytWJYyZcALa38506hvjjO3Rj7IdzCodAXuLdsCT5ApUxAtfpSS2vpb:ULa3850o76hj7IdmodzdsCTayABYSQb
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Amadey family
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Gcleaner family
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Lumma family
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Stealc family
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Xmrig family
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Identifies VirtualBox via ACPI registry values (likely anti-VM)
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Renames multiple (8167) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
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XMRig Miner payload
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Downloads MZ/PE file
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Uses browser remote debugging
Can be used control the browser and steal sensitive information such as credentials and session cookies.
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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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Identifies Wine through registry keys
Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.
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Loads dropped DLL
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Unsecured Credentials: Credentials In Files
Steal credentials from unsecured files.
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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 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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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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AutoIT Executable
AutoIT scripts compiled to PE executables.
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Drops file in System32 directory
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Enumerates processes with tasklist
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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
Execution
Command and Scripting Interpreter
2PowerShell
1Scheduled Task/Job
1Scheduled Task
1Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Modify Authentication Process
1Scheduled Task/Job
1Scheduled Task
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Scheduled Task
1Defense Evasion
Hide Artifacts
1Hidden Files and Directories
1Impair Defenses
2Disable or Modify Tools
2Modify Authentication Process
1Modify Registry
4Subvert Trust Controls
1Install Root Certificate
1Virtualization/Sandbox Evasion
2Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Modify Authentication Process
1Steal Web Session Cookie
1Unsecured Credentials
4Credentials In Files
4Discovery
Browser Information Discovery
1Peripheral Device Discovery
1Process Discovery
1Query Registry
9Remote System Discovery
1System Information Discovery
8System Location Discovery
1System Language Discovery
1System Network Configuration Discovery
1Internet Connection Discovery
1Virtualization/Sandbox Evasion
2