General
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Target
mtx777.bin.zip
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Size
163KB
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Sample
240318-s3vqsscb67
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MD5
f8f7c95eeb5be04fc084c667e36bc5f7
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SHA1
d2004a442252d778631211e2e8d1ba0e56c830e1
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SHA256
952a3c337089fe419c4790a4cf9a9ffa38406b71ac8b2ef72bc33e64751dbd69
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SHA512
47c818a97b12cc7b2ab5b2ff37624dceab60c2b01afd414849d3eb09d5457356bf8a4c41b2898239bc75eaaa368ff3a405e814ea2f2a245e9ed5915f7cfdd408
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SSDEEP
3072:bxvheR6W+qvcwra4obq0FoJkAHa+cMXuucDBO6GqtNR15F4cCIVUQfw//u+u0G7T:bxbW+qv/EbzFVIpu9DBOpqt7VV7fX+KT
Static task
static1
Behavioral task
behavioral1
Sample
mtx777.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
mtx777.exe
Resource
win10v2004-20240226-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
mtx777.bin
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Size
281KB
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MD5
2809e15a3a54484e042fe65fffd17409
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SHA1
4a8f0331abaf8f629b3c8220f0d55339cfa30223
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SHA256
518544e56e8ccee401ffa1b0a01a10ce23e49ec21ec441c6c7c3951b01c1b19c
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SHA512
698e16fd67861377e2ccaace4d0e1a619a8b7c68e8aefc4090e9d1cbbcdfb8d8aede76f9e63f81479f5a035e8008699a4d7175da6248e6e49eb7c81b3dba30c3
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SSDEEP
3072:D5IwIMZKkczttW5ivhjqKO1I9Goh6F4mAqeormMkpCWlunhNGA5yjszVIEe9:NIMsztZZ+KQqGo5QfmLpCoun6W
Score10/10-
Modifies boot configuration data using bcdedit
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Renames multiple (320) 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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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
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Defense Evasion
Impair Defenses
1Disable or Modify System Firewall
1Indicator Removal
3File Deletion
3Modify Registry
2