General
-
Target
2024-04-06_46a636a045d2e748e5f93845446ccf89_neshta_phobos
-
Size
96KB
-
Sample
240406-qscfcsca64
-
MD5
46a636a045d2e748e5f93845446ccf89
-
SHA1
ae5aaab4f2d0c0a570f8de713cdb9251a566ee66
-
SHA256
8107b9fc4dcb6065fe1845bc7d1109409ee7977e99b3eb26367cc0500f15f962
-
SHA512
a37a4907798a6c45fe2aa18e7a092749f8823044b6eb1a410cb1d0f1b2624ad4aeeea7ba7a41b6cd04c9d7ab156a0d25f6bedb592745b8435fcd4607dcf4498a
-
SSDEEP
1536:JxqjQ+P04wsmJCzE2lYkh8TpNeRBl5PT/rx1mzwRMSTdLpJwM:sr85CDhGQRrmzwR5JV
Behavioral task
behavioral1
Sample
2024-04-06_46a636a045d2e748e5f93845446ccf89_neshta_phobos.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-04-06_46a636a045d2e748e5f93845446ccf89_neshta_phobos.exe
Resource
win10v2004-20240319-en
Malware Config
Extracted
C:\info.hta
http://www.w3.org/TR/html4/strict.dtd'>
Extracted
C:\info.hta
http://www.w3.org/TR/html4/strict.dtd'>
Targets
-
-
Target
2024-04-06_46a636a045d2e748e5f93845446ccf89_neshta_phobos
-
Size
96KB
-
MD5
46a636a045d2e748e5f93845446ccf89
-
SHA1
ae5aaab4f2d0c0a570f8de713cdb9251a566ee66
-
SHA256
8107b9fc4dcb6065fe1845bc7d1109409ee7977e99b3eb26367cc0500f15f962
-
SHA512
a37a4907798a6c45fe2aa18e7a092749f8823044b6eb1a410cb1d0f1b2624ad4aeeea7ba7a41b6cd04c9d7ab156a0d25f6bedb592745b8435fcd4607dcf4498a
-
SSDEEP
1536:JxqjQ+P04wsmJCzE2lYkh8TpNeRBl5PT/rx1mzwRMSTdLpJwM:sr85CDhGQRrmzwR5JV
-
Detect Neshta payload
-
Neshta
Malware from the neshta family is designed to infect itself into other files to spread itself and cause damage.
-
Modifies boot configuration data using bcdedit
-
Renames multiple (312) 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
1Change Default File Association
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Event Triggered Execution
1Change Default File Association
1Defense Evasion
Impair Defenses
1Disable or Modify System Firewall
1Indicator Removal
3File Deletion
3Modify Registry
3