General
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Target
aa6bad227554bc1aeac6c0fb434b752c195873bdd4d07155948c1418337575a7
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Size
96KB
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Sample
240520-bsd7madb79
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MD5
966b17c7522bb20a227f96e6f4a070e1
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SHA1
9b90dafdc8ca885925f146789c935f9ed8edc04e
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SHA256
aa6bad227554bc1aeac6c0fb434b752c195873bdd4d07155948c1418337575a7
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SHA512
85efbd360e6707dba220bbb56238847a841363aa404451b02edcc3a7846bc8b126bf717c75c41c02e48b36a5fed80d662769df054d8a2af342dc2ce115f18003
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SSDEEP
1536:JxqjQ+P04wsmJCu/SOILXy8IwNeRBl5PT/rx1mzwRMSTdLpJeM:sr85COkXhQRrmzwR5Jb
Behavioral task
behavioral1
Sample
aa6bad227554bc1aeac6c0fb434b752c195873bdd4d07155948c1418337575a7.exe
Resource
win7-20240215-en
Behavioral task
behavioral2
Sample
aa6bad227554bc1aeac6c0fb434b752c195873bdd4d07155948c1418337575a7.exe
Resource
win10v2004-20240426-en
Malware Config
Extracted
C:\info.hta
class='mark'>[email protected]</span></div>
http://www.w3.org/TR/html4/strict.dtd'>
Extracted
C:\info.hta
class='mark'>[email protected]</span></div>
http://www.w3.org/TR/html4/strict.dtd'>
Targets
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Target
aa6bad227554bc1aeac6c0fb434b752c195873bdd4d07155948c1418337575a7
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Size
96KB
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MD5
966b17c7522bb20a227f96e6f4a070e1
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SHA1
9b90dafdc8ca885925f146789c935f9ed8edc04e
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SHA256
aa6bad227554bc1aeac6c0fb434b752c195873bdd4d07155948c1418337575a7
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SHA512
85efbd360e6707dba220bbb56238847a841363aa404451b02edcc3a7846bc8b126bf717c75c41c02e48b36a5fed80d662769df054d8a2af342dc2ce115f18003
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SSDEEP
1536:JxqjQ+P04wsmJCu/SOILXy8IwNeRBl5PT/rx1mzwRMSTdLpJeM:sr85COkXhQRrmzwR5Jb
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Detect Neshta payload
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Neshta
Malware from the neshta family is designed to infect itself into other files to spread itself and cause damage.
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Deletes shadow copies
Ransomware often targets backup files to inhibit system recovery.
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Modifies boot configuration data using bcdedit
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Renames multiple (310) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
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Modifies Windows Firewall
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Checks computer location settings
Looks up country code configured in the registry, likely geofence.
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Drops startup file
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Executes dropped EXE
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Loads dropped DLL
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Modifies system executable filetype association
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Adds Run key to start application
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Drops desktop.ini file(s)
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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