General
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Target
b0e2f552a645109443f650b2c829bd3c20030c1291b63a9b58b8c419fbd4dba5.apk
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Size
2.4MB
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Sample
241208-c43vsstkbl
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MD5
273e8b0b7ce82c0caa5a88b6d1d2001f
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SHA1
878e5ca6d7ae43c4451c04a2aa86c45ca3eafea0
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SHA256
b0e2f552a645109443f650b2c829bd3c20030c1291b63a9b58b8c419fbd4dba5
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SHA512
2df7e2ab652e31429466ef96167efd452bcf898f8ccd07cb89c00762060b873ba3402796657ed9b21cd7c5e854149dc57ba8281abc034d7f34ea23c5b42ae7b6
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SSDEEP
49152:CRzMQJ8wIbQmAHM0FJOd6lJu+wGqvs6PnR0rlSMI1Fdy8ZOu1:2d8lQmALFJOLVdnCS71Fdy8ZOu1
Static task
static1
Behavioral task
behavioral1
Sample
b0e2f552a645109443f650b2c829bd3c20030c1291b63a9b58b8c419fbd4dba5.apk
Resource
android-x86-arm-20240624-en
Behavioral task
behavioral2
Sample
b0e2f552a645109443f650b2c829bd3c20030c1291b63a9b58b8c419fbd4dba5.apk
Resource
android-x64-arm64-20240624-en
Malware Config
Extracted
octo
https://332137453981d0595033c23.com/N2IzYzFlOTM3MWU3/
https://34437453981d0595033c23.com/N2IzYzFlOTM3MWU3/
https://3637453981d0595033c23.com/N2IzYzFlOTM3MWU3/
https://8237453981d0595033c23.com/N2IzYzFlOTM3MWU3/
https://62333981d0595033c23.com/N2IzYzFlOTM3MWU3/
https://6255553981d0595033c23.com/N2IzYzFlOTM3MWU3/
Extracted
octo
https://332137453981d0595033c23.com/N2IzYzFlOTM3MWU3/
https://34437453981d0595033c23.com/N2IzYzFlOTM3MWU3/
https://3637453981d0595033c23.com/N2IzYzFlOTM3MWU3/
https://8237453981d0595033c23.com/N2IzYzFlOTM3MWU3/
https://62333981d0595033c23.com/N2IzYzFlOTM3MWU3/
https://6255553981d0595033c23.com/N2IzYzFlOTM3MWU3/
https://934437453981d0595033c23.com/N2IzYzFlOTM3MWU3/
https://7894437453981d0595033c23.xyz/N2IzYzFlOTM3MWU3/
https://8774437453981d0595033c23.xyz/N2IzYzFlOTM3MWU3/
https://5564237453981d0595033c23.xyz/N2IzYzFlOTM3MWU3/
https://661544537453981d0595033c23.xyz/N2IzYzFlOTM3MWU3/
Targets
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Target
b0e2f552a645109443f650b2c829bd3c20030c1291b63a9b58b8c419fbd4dba5.apk
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Size
2.4MB
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MD5
273e8b0b7ce82c0caa5a88b6d1d2001f
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SHA1
878e5ca6d7ae43c4451c04a2aa86c45ca3eafea0
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SHA256
b0e2f552a645109443f650b2c829bd3c20030c1291b63a9b58b8c419fbd4dba5
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SHA512
2df7e2ab652e31429466ef96167efd452bcf898f8ccd07cb89c00762060b873ba3402796657ed9b21cd7c5e854149dc57ba8281abc034d7f34ea23c5b42ae7b6
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SSDEEP
49152:CRzMQJ8wIbQmAHM0FJOd6lJu+wGqvs6PnR0rlSMI1Fdy8ZOu1:2d8lQmALFJOLVdnCS71Fdy8ZOu1
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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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Performs UI accessibility actions on behalf of the user
Application may abuse the accessibility service to prevent their removal.
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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 accessing notifications (often used to intercept notifications before users become aware).
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Requests disabling of battery optimizations (often used to enable hiding in the background).
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Requests modifying system settings.
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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
2Suppress Application Icon
1User Evasion
1Impair Defenses
1Prevent Application Removal
1Input Injection
1Credential Access
Access Notifications
1Input Capture
2GUI Input Capture
1Keylogging
1Discovery
Software Discovery
1Security Software Discovery
1System Network Configuration Discovery
4