General
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Target
55cadd00be89467edd1884a41037d15c92344729860ffec517dd3140b433934e.bin
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Size
605KB
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Sample
241130-15twaa1pck
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MD5
0a37103b7d64aded492a098309fe3347
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SHA1
7c26a8fd74bf3fede75bfcde66e5bdb183c2fa70
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SHA256
55cadd00be89467edd1884a41037d15c92344729860ffec517dd3140b433934e
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SHA512
63f2ad8af9a7c473dc7fb84318bd04ca39e1e34e44c7b5f1e4487647359c3409824b31d539e1de584bce45a05de431163687e98bb0f5c11df94fdeda609d3668
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SSDEEP
12288:F9/ILAea+b7Ym5SLL0TGe/g4aRWJb5Z1gpaIzzs4hDLrMhdOYwT:F9/ILAetbEZLHxRW2LzzsIzgdOvT
Static task
static1
Behavioral task
behavioral1
Sample
55cadd00be89467edd1884a41037d15c92344729860ffec517dd3140b433934e.apk
Resource
android-x86-arm-20240624-en
Behavioral task
behavioral2
Sample
55cadd00be89467edd1884a41037d15c92344729860ffec517dd3140b433934e.apk
Resource
android-x64-20240624-en
Behavioral task
behavioral3
Sample
55cadd00be89467edd1884a41037d15c92344729860ffec517dd3140b433934e.apk
Resource
android-x64-arm64-20240910-en
Malware Config
Extracted
octo
https://7bb13903074567453981d0595033c23.com/YmZiMzU0OTU5NGIz/
https://4b6413903074567453981d0595033c23.com/YmZiMzU0OTU5NGIz/
https://34b6413903074567453981d0595033c23.com/YmZiMzU0OTU5NGIz/
https://64b6413903074567453981d0595033c23.com/YmZiMzU0OTU5NGIz/
https://74b6413903074567453981d0595033c23.com/YmZiMzU0OTU5NGIz/
https://894b6413903074567453981d0595033c23.com/YmZiMzU0OTU5NGIz/
https://94b64139030754567453981d0595033c23.com/YmZiMzU0OTU5NGIz/
https://94b64139033074567453981d0595033c23.com/YmZiMzU0OTU5NGIz/
https://94b641553903074567453981d0595033c23.com/YmZiMzU0OTU5NGIz/
Targets
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Target
55cadd00be89467edd1884a41037d15c92344729860ffec517dd3140b433934e.bin
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Size
605KB
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MD5
0a37103b7d64aded492a098309fe3347
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SHA1
7c26a8fd74bf3fede75bfcde66e5bdb183c2fa70
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SHA256
55cadd00be89467edd1884a41037d15c92344729860ffec517dd3140b433934e
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SHA512
63f2ad8af9a7c473dc7fb84318bd04ca39e1e34e44c7b5f1e4487647359c3409824b31d539e1de584bce45a05de431163687e98bb0f5c11df94fdeda609d3668
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SSDEEP
12288:F9/ILAea+b7Ym5SLL0TGe/g4aRWJb5Z1gpaIzzs4hDLrMhdOYwT:F9/ILAetbEZLHxRW2LzzsIzgdOvT
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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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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
1Scheduled Task/Job
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
3