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General
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Target
bc99c4677a06951c7c1b7ce58f5d29d3
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Size
512KB
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Sample
240309-x3cbnsgf3y
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MD5
bc99c4677a06951c7c1b7ce58f5d29d3
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SHA1
7d7d01882e8cf2a5afc3324f88c21817405c5632
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SHA256
ce425c663951485304a21f3bd6bfb536f0c270478f411bafc09ebeea86324559
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SHA512
c216c2a0ce0dbaf52aae43a70a75f1ffbc812bc1e38057bfa3850dd7d996b48561d97f7240570a65780e30f317cb12a4dbc7357392cf9e967f52115ab29a9721
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SSDEEP
6144:1VY0W0sVVZ/dkq5BCoFaJ2i5Lf24C07N5OvSLTUF6pQxI6Upe2cBnTu19bcodj66:1gDhdkq5BCoC5LfWSLTUQpr2Zu19Qm5F
Static task
static1
Behavioral task
behavioral1
Sample
bc99c4677a06951c7c1b7ce58f5d29d3.exe
Resource
win7-20240220-en
Behavioral task
behavioral2
Sample
bc99c4677a06951c7c1b7ce58f5d29d3.exe
Resource
win10v2004-20240226-en
Malware Config
Targets
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Target
bc99c4677a06951c7c1b7ce58f5d29d3
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Size
512KB
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MD5
bc99c4677a06951c7c1b7ce58f5d29d3
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SHA1
7d7d01882e8cf2a5afc3324f88c21817405c5632
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SHA256
ce425c663951485304a21f3bd6bfb536f0c270478f411bafc09ebeea86324559
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SHA512
c216c2a0ce0dbaf52aae43a70a75f1ffbc812bc1e38057bfa3850dd7d996b48561d97f7240570a65780e30f317cb12a4dbc7357392cf9e967f52115ab29a9721
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SSDEEP
6144:1VY0W0sVVZ/dkq5BCoFaJ2i5Lf24C07N5OvSLTUF6pQxI6Upe2cBnTu19bcodj66:1gDhdkq5BCoC5LfWSLTUQpr2Zu19Qm5F
Score10/10-
Modifies visibility of file extensions in Explorer
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Modifies visiblity of hidden/system files in Explorer
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Disables RegEdit via registry modification
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Checks computer location settings
Looks up country code configured in the registry, likely geofence.
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Executes dropped EXE
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Loads dropped DLL
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Adds Run key to start application
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Enumerates connected drives
Attempts to read the root path of hard drives other than the default C: drive.
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Modifies WinLogon
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AutoIT Executable
AutoIT scripts compiled to PE executables.
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Drops file in System32 directory
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MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Privilege Escalation
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Defense Evasion
Hide Artifacts
2Hidden Files and Directories
2Impair Defenses
2Disable or Modify Tools
2Modify Registry
7