General
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Target
KLSetup.exe
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Size
8.2MB
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Sample
240601-jbaf4sdh8x
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MD5
65f0ee72fac85b324a0734053d436918
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SHA1
796d3ab9803f5e6ec370ff948f654842af62fd25
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SHA256
4f128c759e90606c9c7b5546259a7888b2aaaf5ea59d1aa40d5284056366504c
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SHA512
b18d612652d2023b7ca49bf0008d6f6a77bab25c70fb9d67bd29c4a917344275c2fbe14058e8121e0ec3e2278ae100b66e49494aa63a2d2570d7d95b6c64ed52
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SSDEEP
98304:bEo5z/yF0ULxVuZ6xfTGeUVSO6HVyW2iI30Ge2JW9GU5M0xZh:bt5zqF0KTlXV/luWUU66D
Static task
static1
Behavioral task
behavioral1
Sample
KLSetup.exe
Resource
win7-20240419-en
Behavioral task
behavioral2
Sample
KLSetup.exe
Resource
win10v2004-20240508-en
Malware Config
Targets
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Target
KLSetup.exe
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Size
8.2MB
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MD5
65f0ee72fac85b324a0734053d436918
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SHA1
796d3ab9803f5e6ec370ff948f654842af62fd25
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SHA256
4f128c759e90606c9c7b5546259a7888b2aaaf5ea59d1aa40d5284056366504c
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SHA512
b18d612652d2023b7ca49bf0008d6f6a77bab25c70fb9d67bd29c4a917344275c2fbe14058e8121e0ec3e2278ae100b66e49494aa63a2d2570d7d95b6c64ed52
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SSDEEP
98304:bEo5z/yF0ULxVuZ6xfTGeUVSO6HVyW2iI30Ge2JW9GU5M0xZh:bt5zqF0KTlXV/luWUU66D
Score8/10-
Downloads MZ/PE file
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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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Modifies file permissions
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Adds Run key to start application
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Blocklisted process makes network request
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Checks installed software on the system
Looks up Uninstall key entries in the registry to enumerate software on the system.
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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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Checks system information in the registry
System information is often read in order to detect sandboxing environments.
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Drops file in System32 directory
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MITRE ATT&CK Enterprise v15
Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Defense Evasion
File and Directory Permissions Modification
1Modify Registry
4Subvert Trust Controls
1Install Root Certificate
1