General
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Target
Krnl_8.10.8_x64_en-US.msi
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Size
5.0MB
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Sample
241110-nzxzjayrep
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MD5
b837d10b9a71425dbf3d62b2cc59f447
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SHA1
85c9ba3331f7eb432c28365b0d1f36a201373a72
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SHA256
76c83d1bebd6b01bab76d9a94f223e1a3cf20f2040b8d58a12625074e2936f7c
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SHA512
f20999d19c470941c85912725d6f89c5073d475572ece92ce5b8e5425cdf012950f230c353870d86469ab6658bdc504abbb41260cb676f109551860433bcb405
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SSDEEP
98304:XPky+agPtUpupDeOds+883iSh79bubjnvmu5/qv4eYb2Tqg9EeYImwqPY6Bvv8m:XPky9GtAcdsENbubzSJb9lyw
Static task
static1
Behavioral task
behavioral1
Sample
Krnl_8.10.8_x64_en-US.msi
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
Krnl_8.10.8_x64_en-US.msi
Resource
win10v2004-20241007-en
Malware Config
Targets
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Target
Krnl_8.10.8_x64_en-US.msi
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Size
5.0MB
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MD5
b837d10b9a71425dbf3d62b2cc59f447
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SHA1
85c9ba3331f7eb432c28365b0d1f36a201373a72
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SHA256
76c83d1bebd6b01bab76d9a94f223e1a3cf20f2040b8d58a12625074e2936f7c
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SHA512
f20999d19c470941c85912725d6f89c5073d475572ece92ce5b8e5425cdf012950f230c353870d86469ab6658bdc504abbb41260cb676f109551860433bcb405
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SSDEEP
98304:XPky+agPtUpupDeOds+883iSh79bubjnvmu5/qv4eYb2Tqg9EeYImwqPY6Bvv8m:XPky9GtAcdsENbubzSJb9lyw
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Blocklisted process makes network request
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A potential corporate email address has been identified in the URL: httpswww.youtube.com@Omnidevcbrd1
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Boot or Logon Autostart Execution: Active Setup
Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.
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Checks for any installed AV software in registry
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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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Event Triggered Execution: Image File Execution Options Injection
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Legitimate hosting services abused for malware hosting/C2
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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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Enumerates processes with tasklist
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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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Suspicious use of NtCreateThreadExHideFromDebugger
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Suspicious use of NtSetInformationThreadHideFromDebugger
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MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Active Setup
1Browser Extensions
1Event Triggered Execution
3Component Object Model Hijacking
1Image File Execution Options Injection
1Installer Packages
1Privilege Escalation
Boot or Logon Autostart Execution
1Active Setup
1Event Triggered Execution
3Component Object Model Hijacking
1Image File Execution Options Injection
1Installer Packages
1Discovery
Browser Information Discovery
1Network Share Discovery
1Peripheral Device Discovery
2Process Discovery
1Query Registry
7Software Discovery
1Security Software Discovery
1System Information Discovery
7System Location Discovery
1System Language Discovery
1System Network Configuration Discovery
1Internet Connection Discovery
1