General
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Target
HousecallLauncher64.exe
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Size
3.5MB
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Sample
230303-s2z9wshf2v
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MD5
418e07b780152848328a5157f6ab9f1a
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SHA1
0f9fc8d36792ddac8a4b5b121665206719e7aad2
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SHA256
1837fc18d5b779a7b47bb9163a7c93c995a7c814c2b38cc16a0cf2419bf8d2d1
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SHA512
fdac16d696fffecb955188d020baaef8ab0b8ae41f418cfba2f90a7a0d0cfc8a56e1ec0941b20e3bd3f9f1defe66d93e2b327eb9b746a8e7ef705178e52682fc
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SSDEEP
49152:8gJfAqJHqm4ekAKxJpmssTBSg1L0xQsUAinAqriB19QwP5Sd4B24uQ2Mss/pDsAu:8gCmZHJoWJ2oAqWBvQTETRWL
Static task
static1
Behavioral task
behavioral1
Sample
HousecallLauncher64.exe
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
HousecallLauncher64.exe
Resource
win10v2004-20230220-en
Malware Config
Targets
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Target
HousecallLauncher64.exe
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Size
3.5MB
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MD5
418e07b780152848328a5157f6ab9f1a
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SHA1
0f9fc8d36792ddac8a4b5b121665206719e7aad2
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SHA256
1837fc18d5b779a7b47bb9163a7c93c995a7c814c2b38cc16a0cf2419bf8d2d1
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SHA512
fdac16d696fffecb955188d020baaef8ab0b8ae41f418cfba2f90a7a0d0cfc8a56e1ec0941b20e3bd3f9f1defe66d93e2b327eb9b746a8e7ef705178e52682fc
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SSDEEP
49152:8gJfAqJHqm4ekAKxJpmssTBSg1L0xQsUAinAqriB19QwP5Sd4B24uQ2Mss/pDsAu:8gCmZHJoWJ2oAqWBvQTETRWL
Score8/10-
Downloads MZ/PE file
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Drops file in Drivers directory
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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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Checks installed software on the system
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Drops desktop.ini file(s)
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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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Writes to the Master Boot Record (MBR)
Bootkits write to the MBR to gain persistence at a level below the operating system.
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Drops file in System32 directory
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Modifies termsrv.dll
Commonly used to allow simultaneous RDP sessions.
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