General
-
Target
http://www.sumiyuki.co.jp/js/test.exe
-
Sample
250109-a148cazqez
Static task
static1
URLScan task
urlscan1
Behavioral task
behavioral1
Sample
http://www.sumiyuki.co.jp/js/test.exe
Resource
win10v2004-20241007-en
Malware Config
Extracted
C:\$Recycle.Bin\DDHIICO-DECRYPT.txt
http://gandcrabmfe6mnef.onion/1dc002511fcc13dc
Targets
-
-
Target
http://www.sumiyuki.co.jp/js/test.exe
-
Gandcrab family
-
Deletes shadow copies
Ransomware often targets backup files to inhibit system recovery.
-
Renames multiple (293) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
-
Downloads MZ/PE file
-
Checks computer location settings
Looks up country code configured in the registry, likely geofence.
-
Credentials from Password Stores: Windows Credential Manager
Suspicious access to Credentials History.
-
Drops startup file
-
Executes dropped EXE
-
Enumerates connected drives
Attempts to read the root path of hard drives other than the default C: drive.
-
Sets desktop wallpaper using registry
-
MITRE ATT&CK Enterprise v15
Defense Evasion
Indicator Removal
1File Deletion
1Modify Registry
2Subvert Trust Controls
1Install Root Certificate
1Credential Access
Credentials from Password Stores
2Credentials from Web Browsers
1Windows Credential Manager
1Unsecured Credentials
1Credentials In Files
1