General
-
Target
4c6dc5b55c14191f873094f6680ea29344fdc376e4f38868ba450fa89ca6c766
-
Size
212KB
-
Sample
210921-h31lyagfh9
-
MD5
6cc5fa3b215541aaa78c1be9d3fa5054
-
SHA1
242b01ea25a30bf2bae8cd8c775f9d42bc2b20e1
-
SHA256
4c6dc5b55c14191f873094f6680ea29344fdc376e4f38868ba450fa89ca6c766
-
SHA512
dbc547dbc0436ca6c47c1bacd0bd85cc8945e5e16c3ceeeb73aad80b9822e1e38b7b91852fe56f19a8967a36d2779b4ade632b6d157e42ff180d65e103c0214f
Static task
static1
Behavioral task
behavioral1
Sample
4c6dc5b55c14191f873094f6680ea29344fdc376e4f38868ba450fa89ca6c766.exe
Resource
win10-en-20210920
Malware Config
Extracted
smokeloader
2020
http://venerynnet1.top/
http://kevonahira2.top/
http://vegangelist3.top/
http://kingriffaele4.top/
http://arakeishant5.top/
Extracted
redline
installEXE
146.70.35.170:30905
Targets
-
-
Target
4c6dc5b55c14191f873094f6680ea29344fdc376e4f38868ba450fa89ca6c766
-
Size
212KB
-
MD5
6cc5fa3b215541aaa78c1be9d3fa5054
-
SHA1
242b01ea25a30bf2bae8cd8c775f9d42bc2b20e1
-
SHA256
4c6dc5b55c14191f873094f6680ea29344fdc376e4f38868ba450fa89ca6c766
-
SHA512
dbc547dbc0436ca6c47c1bacd0bd85cc8945e5e16c3ceeeb73aad80b9822e1e38b7b91852fe56f19a8967a36d2779b4ade632b6d157e42ff180d65e103c0214f
-
MedusaLocker Payload
-
RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
-
RedLine Payload
-
Identifies VirtualBox via ACPI registry values (likely anti-VM)
-
Modifies boot configuration data using bcdedit
-
XMRig Miner Payload
-
Creates new service(s)
-
Downloads MZ/PE file
-
Drops file in Drivers directory
-
Executes dropped EXE
-
Modifies Windows Firewall
-
Modifies extensions of user files
Ransomware generally changes the extension on encrypted files.
-
Sets service image path in registry
-
Checks BIOS information in registry
BIOS information is often read in order to detect sandboxing environments.
-
Deletes itself
-
Loads dropped DLL
-
Accesses cryptocurrency files/wallets, possible credential harvesting
-
Adds Run key to start application
-
Checks installed software on the system
Looks up Uninstall key entries in the registry to enumerate software on the system.
-
Drops desktop.ini file(s)
-
Enumerates connected drives
Attempts to read the root path of hard drives other than the default C: drive.
-
Drops file in System32 directory
-
Suspicious use of NtSetInformationThreadHideFromDebugger
-
Suspicious use of SetThreadContext
-
MITRE ATT&CK Enterprise v6
Persistence
Modify Existing Service
1New Service
1Registry Run Keys / Startup Folder
2Defense Evasion
Disabling Security Tools
1File Deletion
3Modify Registry
4Virtualization/Sandbox Evasion
1