General
-
Target
2024-06-22_8d4fc2fab29b53848f56f876cc33b6ed_neshta_phobos
-
Size
98KB
-
Sample
240622-sxqvnaxarp
-
MD5
8d4fc2fab29b53848f56f876cc33b6ed
-
SHA1
d7aba458e645a315dd4981e9fc080d851fcfaa46
-
SHA256
c90cfb29c3a12d7e51649f59308c1d59ad948d2ddbf001d0a12d98d7a09f7b46
-
SHA512
e07492e9bdf8712d4fb3a0d6f8268f809e7f86dd2d8101172ecd1ea4503bb64226f0b9710b888fb3a9af6e0731951389eef3c506b93d2fc4a8d08b01bf512657
-
SSDEEP
1536:JxqjQ+P04wsmJCKttkryVJLucrHolNeRBl5PT/rx1mzwRMSTdLpJ7M:sr85C0tkrgLucYQRrmzwR5Jo
Behavioral task
behavioral1
Sample
2024-06-22_8d4fc2fab29b53848f56f876cc33b6ed_neshta_phobos.exe
Resource
win7-20240419-en
Behavioral task
behavioral2
Sample
2024-06-22_8d4fc2fab29b53848f56f876cc33b6ed_neshta_phobos.exe
Resource
win10v2004-20240508-en
Malware Config
Extracted
C:\Users\Public\Desktop\info.hta
class='mark'>[email protected]</span></div>
class='mark'>[email protected]</span></div>
class='mark'>[email protected]</span>
http://www.w3.org/TR/html4/strict.dtd'>
https://pidgin.im/download/windows/</li>
Extracted
C:\info.hta
class='mark'>[email protected]</span></div>
class='mark'>[email protected]</span></div>
class='mark'>[email protected]</span>
http://www.w3.org/TR/html4/strict.dtd'>
https://pidgin.im/download/windows/</li>
Targets
-
-
Target
2024-06-22_8d4fc2fab29b53848f56f876cc33b6ed_neshta_phobos
-
Size
98KB
-
MD5
8d4fc2fab29b53848f56f876cc33b6ed
-
SHA1
d7aba458e645a315dd4981e9fc080d851fcfaa46
-
SHA256
c90cfb29c3a12d7e51649f59308c1d59ad948d2ddbf001d0a12d98d7a09f7b46
-
SHA512
e07492e9bdf8712d4fb3a0d6f8268f809e7f86dd2d8101172ecd1ea4503bb64226f0b9710b888fb3a9af6e0731951389eef3c506b93d2fc4a8d08b01bf512657
-
SSDEEP
1536:JxqjQ+P04wsmJCKttkryVJLucrHolNeRBl5PT/rx1mzwRMSTdLpJ7M:sr85C0tkrgLucYQRrmzwR5Jo
-
Detect Neshta payload
-
Neshta
Malware from the neshta family is designed to infect itself into other files to spread itself and cause damage.
-
Deletes shadow copies
Ransomware often targets backup files to inhibit system recovery.
-
Modifies boot configuration data using bcdedit
-
Renames multiple (212) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
-
Modifies Windows Firewall
-
Checks computer location settings
Looks up country code configured in the registry, likely geofence.
-
Drops startup file
-
Executes dropped EXE
-
Loads dropped DLL
-
Modifies system executable filetype association
-
Adds Run key to start application
-
Drops desktop.ini file(s)
-
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Event Triggered Execution
2Change Default File Association
1Netsh Helper DLL
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Event Triggered Execution
2Change Default File Association
1Netsh Helper DLL
1Defense Evasion
Direct Volume Access
1Impair Defenses
1Disable or Modify System Firewall
1Indicator Removal
3File Deletion
3Modify Registry
3