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General
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Target
ZoomInstallerFull.exe
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Size
153.7MB
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Sample
250228-d5vq9a1jw2
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MD5
2d392d1cf33d790976f11fe651ecc11d
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SHA1
d0a03907a1961704d6aeef2a5e63e442a1b2f6cd
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SHA256
e3180f2fa14ec09d2771b497f5dad94873d1d83bd98be8e5217f48694d1282b5
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SHA512
a9be16f4defbb12747402a1b6e0c2d367e4ced7f8c882f0de0c8b4f054c16e415a416764a6093fb48bebd90183e2c22e22e36a583f9187f984706e04020d70ac
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SSDEEP
3145728:K1QZ5XsB4NjIwWXQe1bH82UWi81W09r0Q+7WJJ4jYiVdRHbwZlVDzRsc3bvlVKt:yq02+QmgWi81LZ0Q+m4X2ZP3xVM
Static task
static1
Behavioral task
behavioral1
Sample
ZoomInstallerFull.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
ZoomInstallerFull.exe
Resource
win10v2004-20250217-en
Malware Config
Targets
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Target
ZoomInstallerFull.exe
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Size
153.7MB
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MD5
2d392d1cf33d790976f11fe651ecc11d
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SHA1
d0a03907a1961704d6aeef2a5e63e442a1b2f6cd
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SHA256
e3180f2fa14ec09d2771b497f5dad94873d1d83bd98be8e5217f48694d1282b5
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SHA512
a9be16f4defbb12747402a1b6e0c2d367e4ced7f8c882f0de0c8b4f054c16e415a416764a6093fb48bebd90183e2c22e22e36a583f9187f984706e04020d70ac
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SSDEEP
3145728:K1QZ5XsB4NjIwWXQe1bH82UWi81W09r0Q+7WJJ4jYiVdRHbwZlVDzRsc3bvlVKt:yq02+QmgWi81LZ0Q+m4X2ZP3xVM
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Detects HijackLoader (aka IDAT Loader)
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Hijackloader family
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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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Accesses Microsoft Outlook profiles
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Blocklisted process makes network request
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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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Enumerates connected drives
Attempts to read the root path of hard drives other than the default C: drive.
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Checks system information in the registry
System information is often read in order to detect sandboxing environments.
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Suspicious use of SetThreadContext
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MITRE ATT&CK Enterprise v15
Defense Evasion
Access Token Manipulation
1Create Process with Token
1Modify Registry
2Subvert Trust Controls
1Install Root Certificate
1Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
2Credentials In Files
1Credentials in Registry
1