General
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Target
file
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Size
7.6MB
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Sample
250120-qqgmas1mcv
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MD5
7ea94f121306b84c57571c14717e6cd7
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SHA1
21f004d254820111597a3b2c5df31e1407e7d834
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SHA256
80ec9af43ed5b477e2358f6505a6bd833029c7e774e845626f5298318fd999c4
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SHA512
83a39281f5ae529d4a5c1d1caae5775f8d1ec8da7bbf67cd2d7a4a08cd923c3b0c5a6358e8a35a1f661137b77a772f7f53f8aa4e8df16dc32307b92c948822c0
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SSDEEP
98304:K+md5iSRGVMVKMERs1igL+3XuacV5lWMMBDxo+vBAUyP2mx0bh0oY6FI2YF:K+mdrDUdRlgq3XuaolWHtxN5AUwSbjsF
Static task
static1
Behavioral task
behavioral1
Sample
file.apk
Resource
android-x86-arm-20240910-en
Behavioral task
behavioral2
Sample
file.apk
Resource
android-x64-20240624-en
Malware Config
Extracted
octo
https://51b570cbcecdfd754b1b5e0496fe2296.info
Targets
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Target
file
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Size
7.6MB
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MD5
7ea94f121306b84c57571c14717e6cd7
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SHA1
21f004d254820111597a3b2c5df31e1407e7d834
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SHA256
80ec9af43ed5b477e2358f6505a6bd833029c7e774e845626f5298318fd999c4
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SHA512
83a39281f5ae529d4a5c1d1caae5775f8d1ec8da7bbf67cd2d7a4a08cd923c3b0c5a6358e8a35a1f661137b77a772f7f53f8aa4e8df16dc32307b92c948822c0
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SSDEEP
98304:K+md5iSRGVMVKMERs1igL+3XuacV5lWMMBDxo+vBAUyP2mx0bh0oY6FI2YF:K+mdrDUdRlgq3XuaolWHtxN5AUwSbjsF
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Octo
Octo is a banking malware with remote access capabilities first seen in April 2022.
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Octo family
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Octo payload
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Makes use of the framework's Accessibility service
Retrieves information displayed on the phone screen using AccessibilityService.
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Queries the phone number (MSISDN for GSM devices)
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Acquires the wake lock
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Makes use of the framework's foreground persistence service
Application may abuse the framework's foreground service to continue running in the foreground.
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Queries the mobile country code (MCC)
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Queries the unique device ID (IMEI, MEID, IMSI)
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Reads information about phone network operator.
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Requests disabling of battery optimizations (often used to enable hiding in the background).
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MITRE ATT&CK Mobile v15
Persistence
Event Triggered Execution
1Broadcast Receivers
1Foreground Persistence
1Defense Evasion
Download New Code at Runtime
1Foreground Persistence
1Hide Artifacts
1User Evasion
1Input Injection
1Virtualization/Sandbox Evasion
2System Checks
2Discovery
Software Discovery
1Security Software Discovery
1System Information Discovery
2System Network Configuration Discovery
4