General
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Target
b63f494eee9637bb6aca2e6e90f488c99395ccf3c6a5a1ef6c5ba471674904c0.bin
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Size
2.4MB
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Sample
250120-1xk86s1pcn
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MD5
882e4afa7cc6a2041c4928d57b519806
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SHA1
c672e3c1aaea2b88ab68d72add0b16a85add920d
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SHA256
b63f494eee9637bb6aca2e6e90f488c99395ccf3c6a5a1ef6c5ba471674904c0
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SHA512
02354cad26020c03053c900333f615b41450ace92dad9d2e979cfc15784ff36a14e4d882729563485f3275cfabd14be3e981a88f745ebcc2a7290fa78d031632
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SSDEEP
49152:eisP1oFHSM5Fc9c9wKyC/q0tkrFYBctFG/qbFaCFvNID25vnMySX8f9:o2FT5Mc9wKyfiQG/qbQCvNPUySK9
Static task
static1
Behavioral task
behavioral1
Sample
b63f494eee9637bb6aca2e6e90f488c99395ccf3c6a5a1ef6c5ba471674904c0.apk
Resource
android-x86-arm-20240910-en
Behavioral task
behavioral2
Sample
b63f494eee9637bb6aca2e6e90f488c99395ccf3c6a5a1ef6c5ba471674904c0.apk
Resource
android-x64-arm64-20240910-en
Malware Config
Extracted
octo
https://91.215.85.142/NTA4MzIxMjdkYzNj/
https://edfwn923sfdml237vm90sdl23k.com/NTA4MzIxMjdkYzNj/
https://823jkfs4829nk48kef742kj675.com/NTA4MzIxMjdkYzNj/
https://sdglk33498knsf32667sfknwfr.com/NTA4MzIxMjdkYzNj/
https://952dsjk47kf73ls23k489klfdd.com/NTA4MzIxMjdkYzNj/
https://nzxvjej7337bjsdl232nsdlsfa.com/NTA4MzIxMjdkYzNj/
https://2348sdks230df834sd03272nsd.com/NTA4MzIxMjdkYzNj/
Extracted
octo
https://91.215.85.142/NTA4MzIxMjdkYzNj/
https://edfwn923sfdml237vm90sdl23k.com/NTA4MzIxMjdkYzNj/
https://823jkfs4829nk48kef742kj675.com/NTA4MzIxMjdkYzNj/
https://sdglk33498knsf32667sfknwfr.com/NTA4MzIxMjdkYzNj/
https://952dsjk47kf73ls23k489klfdd.com/NTA4MzIxMjdkYzNj/
https://nzxvjej7337bjsdl232nsdlsfa.com/NTA4MzIxMjdkYzNj/
https://2348sdks230df834sd03272nsd.com/NTA4MzIxMjdkYzNj/
Targets
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Target
b63f494eee9637bb6aca2e6e90f488c99395ccf3c6a5a1ef6c5ba471674904c0.bin
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Size
2.4MB
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MD5
882e4afa7cc6a2041c4928d57b519806
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SHA1
c672e3c1aaea2b88ab68d72add0b16a85add920d
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SHA256
b63f494eee9637bb6aca2e6e90f488c99395ccf3c6a5a1ef6c5ba471674904c0
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SHA512
02354cad26020c03053c900333f615b41450ace92dad9d2e979cfc15784ff36a14e4d882729563485f3275cfabd14be3e981a88f745ebcc2a7290fa78d031632
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SSDEEP
49152:eisP1oFHSM5Fc9c9wKyC/q0tkrFYBctFG/qbFaCFvNID25vnMySX8f9:o2FT5Mc9wKyfiQG/qbQCvNPUySK9
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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
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