General
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Target
275e49361237833cdec20921929fe0cf9f76552d77d8fae601cfd29d2d2532c0.bin
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Size
3.2MB
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Sample
250111-113bvstral
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MD5
bf2a2f3b770a9981c697f26cd0870f2a
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SHA1
67a65c7fe1eb75495a63dd2bcda8f8795f9e6c8d
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SHA256
275e49361237833cdec20921929fe0cf9f76552d77d8fae601cfd29d2d2532c0
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SHA512
fc25a59b347ab42e97c977159644f49780aa1127b5278298c44988694b177caa2611bd86a00e8ac851765b9ee1a502141c9aaa5c20668b791d0fb8f5baba829c
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SSDEEP
49152:O+NcRCY35qK6xWOKzR4gu0xNV7yGE4ZTYb3XCXsyT9hTtjoTdx6Gg7Li:BNcQY35qKksegP7pVYb3XCXLJn83g7Li
Static task
static1
Behavioral task
behavioral1
Sample
275e49361237833cdec20921929fe0cf9f76552d77d8fae601cfd29d2d2532c0.apk
Resource
android-x86-arm-20240624-en
Malware Config
Extracted
octo
https://185.196.9.197/MTQ4MmUxODBhMTVi/
https://xxxpakunatationclass.net/MTQ4MmUxODBhMTVi/
https://xxxpakunatationclass2.net/MTQ4MmUxODBhMTVi/
https://xxxpakunatationclass3.net/MTQ4MmUxODBhMTVi/
https://xxxpakunatationclass4.net/MTQ4MmUxODBhMTVi/
https://xxxpakunatationclass5.net/MTQ4MmUxODBhMTVi/
https://xxxpakunatationclass6.net/MTQ4MmUxODBhMTVi/
Extracted
octo
https://185.196.9.197/MTQ4MmUxODBhMTVi/
https://xxxpakunatationclass.net/MTQ4MmUxODBhMTVi/
https://xxxpakunatationclass2.net/MTQ4MmUxODBhMTVi/
https://xxxpakunatationclass3.net/MTQ4MmUxODBhMTVi/
https://xxxpakunatationclass4.net/MTQ4MmUxODBhMTVi/
https://xxxpakunatationclass5.net/MTQ4MmUxODBhMTVi/
https://xxxpakunatationclass6.net/MTQ4MmUxODBhMTVi/
Targets
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Target
275e49361237833cdec20921929fe0cf9f76552d77d8fae601cfd29d2d2532c0.bin
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Size
3.2MB
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MD5
bf2a2f3b770a9981c697f26cd0870f2a
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SHA1
67a65c7fe1eb75495a63dd2bcda8f8795f9e6c8d
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SHA256
275e49361237833cdec20921929fe0cf9f76552d77d8fae601cfd29d2d2532c0
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SHA512
fc25a59b347ab42e97c977159644f49780aa1127b5278298c44988694b177caa2611bd86a00e8ac851765b9ee1a502141c9aaa5c20668b791d0fb8f5baba829c
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SSDEEP
49152:O+NcRCY35qK6xWOKzR4gu0xNV7yGE4ZTYb3XCXsyT9hTtjoTdx6Gg7Li:BNcQY35qKksegP7pVYb3XCXLJn83g7Li
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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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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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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
1Virtualization/Sandbox Evasion
2System Checks
2Credential Access
Access Notifications
1Input Capture
2GUI Input Capture
1Keylogging
1Discovery
Software Discovery
1Security Software Discovery
1System Information Discovery
2System Network Configuration Discovery
3