General
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Target
MBSetup.exe
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Size
2.5MB
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Sample
240724-jqrzpsvhln
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MD5
8611a0d47266ce8d473d540bd6534ffc
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SHA1
8804544c8ac023d89783d3d27b8c00b11dd8cbb4
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SHA256
a573205f27cd8a421e33322a41037ddf74d4f9cedc574c86dea6550a8f065143
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SHA512
8f4291ebb1b8cb5561b857d3ea2418c503f79b37b201f017d04a3c49746bfdc29abad5cfef3f2ce150fa8163824ac0a649a24386aee4562940d394f6514e4b7c
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SSDEEP
49152:OE8I6oEK7uzgRTvnFjStQyfvE0Z3R0nxiIq2dseYGfXH:OE8IjzuzgFt7KtQRq2VXH
Static task
static1
Behavioral task
behavioral1
Sample
MBSetup.exe
Resource
win10v2004-20240709-en
Malware Config
Targets
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Target
MBSetup.exe
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Size
2.5MB
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MD5
8611a0d47266ce8d473d540bd6534ffc
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SHA1
8804544c8ac023d89783d3d27b8c00b11dd8cbb4
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SHA256
a573205f27cd8a421e33322a41037ddf74d4f9cedc574c86dea6550a8f065143
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SHA512
8f4291ebb1b8cb5561b857d3ea2418c503f79b37b201f017d04a3c49746bfdc29abad5cfef3f2ce150fa8163824ac0a649a24386aee4562940d394f6514e4b7c
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SSDEEP
49152:OE8I6oEK7uzgRTvnFjStQyfvE0Z3R0nxiIq2dseYGfXH:OE8IjzuzgFt7KtQRq2VXH
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Suspicious use of NtCreateUserProcessOtherParentProcess
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Drops file in Drivers directory
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Modifies RDP port number used by Windows
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Sets service image path in registry
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Checks BIOS information in registry
BIOS information is often read in order to detect sandboxing environments.
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Credentials from Password Stores: Windows Credential Manager
Suspicious access to Credentials History.
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Impair Defenses: Safe Mode Boot
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Downloads MZ/PE file
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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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AutoIT Executable
AutoIT scripts compiled to PE executables.
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Checks computer location settings
Looks up country code configured in the registry, likely geofence.
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Drops file in System32 directory
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Event Triggered Execution: Component Object Model Hijacking
Adversaries may establish persistence by executing malicious content triggered by hijacked references to Component Object Model (COM) objects.
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MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Event Triggered Execution
1Component Object Model Hijacking
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Event Triggered Execution
1Component Object Model Hijacking
1Defense Evasion
Impair Defenses
1Safe Mode Boot
1Modify Registry
3Subvert Trust Controls
1Install Root Certificate
1Credential Access
Credentials from Password Stores
1Windows Credential Manager
1Unsecured Credentials
1Credentials In Files
1