General
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Target
03bbe38c592fd4970ce8ada9e60e31ba3ba446043743e394c6bebf1d16fbdfb3
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Size
403KB
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Sample
240419-l9ybyagb3v
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MD5
b923cc259b629527b8c487707ff8033a
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SHA1
983a465c1946c4bc2d5d781d57cfef7b89d41075
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SHA256
03bbe38c592fd4970ce8ada9e60e31ba3ba446043743e394c6bebf1d16fbdfb3
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SHA512
4d91d61776a73e2bc48daac4a18b2b9d29f5680585c46bd052a46cafa5dbfcee9afafad5dea1362f6399e4bd39d06a131860eb855bdae93efec3b03ac202aa26
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SSDEEP
6144:3w9D91dOrcN3ZGXNYFNmIkYvUIelVjjVtGRyFH41:gtRfJcNYFNm8UhlZGse1
Static task
static1
Behavioral task
behavioral1
Sample
03bbe38c592fd4970ce8ada9e60e31ba3ba446043743e394c6bebf1d16fbdfb3.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
03bbe38c592fd4970ce8ada9e60e31ba3ba446043743e394c6bebf1d16fbdfb3.exe
Resource
win10v2004-20240412-en
Malware Config
Targets
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Target
03bbe38c592fd4970ce8ada9e60e31ba3ba446043743e394c6bebf1d16fbdfb3
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Size
403KB
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MD5
b923cc259b629527b8c487707ff8033a
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SHA1
983a465c1946c4bc2d5d781d57cfef7b89d41075
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SHA256
03bbe38c592fd4970ce8ada9e60e31ba3ba446043743e394c6bebf1d16fbdfb3
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SHA512
4d91d61776a73e2bc48daac4a18b2b9d29f5680585c46bd052a46cafa5dbfcee9afafad5dea1362f6399e4bd39d06a131860eb855bdae93efec3b03ac202aa26
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SSDEEP
6144:3w9D91dOrcN3ZGXNYFNmIkYvUIelVjjVtGRyFH41:gtRfJcNYFNm8UhlZGse1
Score8/10-
Blocklisted process makes network request
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Deletes itself
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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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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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Suspicious use of NtSetInformationThreadHideFromDebugger
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MITRE ATT&CK Matrix ATT&CK v13
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Pre-OS Boot
1Bootkit
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1