General
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Target
Viewfinder_qj75v-1.exe
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Size
13.8MB
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Sample
241015-ym4awsyakq
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MD5
f3f16a12cdaf4e3fe51bece5dff8970f
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SHA1
e4bb36e12d8f566617f940c32764870e052a89b7
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SHA256
f1787b9553ce260b889cbb40b456d62f2cfa01b10f7e512a3528790c65640669
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SHA512
5b5837ee05f3a16c645613c5e0462b6d81d6e1dc183156b790e42cd8348fa6b391bdc84de43131cba4c568aba2be308d6e3020c829df0f11d44fd923f8cd827f
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SSDEEP
393216:MBBTeN30LpEiSCC9XSpIFwah3RuINhkU9he:ktwkLps9Xhrhhuahk7
Static task
static1
Behavioral task
behavioral1
Sample
Viewfinder_qj75v-1.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
Viewfinder_qj75v-1.exe
Resource
win10v2004-20241007-en
Malware Config
Targets
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Target
Viewfinder_qj75v-1.exe
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Size
13.8MB
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MD5
f3f16a12cdaf4e3fe51bece5dff8970f
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SHA1
e4bb36e12d8f566617f940c32764870e052a89b7
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SHA256
f1787b9553ce260b889cbb40b456d62f2cfa01b10f7e512a3528790c65640669
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SHA512
5b5837ee05f3a16c645613c5e0462b6d81d6e1dc183156b790e42cd8348fa6b391bdc84de43131cba4c568aba2be308d6e3020c829df0f11d44fd923f8cd827f
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SSDEEP
393216:MBBTeN30LpEiSCC9XSpIFwah3RuINhkU9he:ktwkLps9Xhrhhuahk7
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Suspicious use of NtCreateProcessExOtherParentProcess
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Drops file in Drivers directory
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Sets service image path in registry
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Uses Session Manager for persistence
Creates Session Manager registry key to run executable early in system boot.
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Impair Defenses: Safe Mode Boot
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Adds Run key to start application
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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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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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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
3Registry Run Keys / Startup Folder
3Event Triggered Execution
1Component Object Model Hijacking
1Pre-OS Boot
1Bootkit
1Privilege Escalation
Boot or Logon Autostart Execution
3Registry Run Keys / Startup Folder
3Event Triggered Execution
1Component Object Model Hijacking
1Defense Evasion
Impair Defenses
2Disable or Modify Tools
1Safe Mode Boot
1Modify Registry
6Pre-OS Boot
1Bootkit
1Subvert Trust Controls
1Install Root Certificate
1Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
1Credentials In Files
1