General
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Target
ecca1a63f4e64571d329e6f2733232a72719d968e5e074d15e6b1541a2032ff2.bin
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Size
509KB
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Sample
240817-1wrdsszalc
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MD5
3c8e13ee3cd4bc7b37b5ca90b1dee85c
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SHA1
7e9107db23bbd6b904d730ca90612067eaf03a71
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SHA256
ecca1a63f4e64571d329e6f2733232a72719d968e5e074d15e6b1541a2032ff2
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SHA512
d08a36c8849ef91d9e19be4131e0c11e76c517eacba651fa4739f9ec18ecbd141a58e145b158d0d771e8423e5608f865b7ac2ab84afc36656f1320110efac984
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SSDEEP
12288:xpBCnKToiP3Dc35Z9Jn68gwl00BaH+mZ2zxcQUSE8aHH:ZCnFK34pZ/UwXyDERUL8uH
Static task
static1
Behavioral task
behavioral1
Sample
ecca1a63f4e64571d329e6f2733232a72719d968e5e074d15e6b1541a2032ff2.apk
Resource
android-x86-arm-20240624-en
Behavioral task
behavioral2
Sample
ecca1a63f4e64571d329e6f2733232a72719d968e5e074d15e6b1541a2032ff2.apk
Resource
android-x64-20240624-en
Malware Config
Extracted
octo
https://nabertglalfa.com/YmJhM2M5ZjYyODY5/
https://hasbelgar56142.com/YmJhM2M5ZjYyODY5/
https://belkemigi6525.com/YmJhM2M5ZjYyODY5/
https://kemikadam252.com/YmJhM2M5ZjYyODY5/
https://parlementsigara651.com/YmJhM2M5ZjYyODY5/
https://selamcanm6142.com/YmJhM2M5ZjYyODY5/
Extracted
octo
https://nabertglalfa.com/YmJhM2M5ZjYyODY5/
https://hasbelgar56142.com/YmJhM2M5ZjYyODY5/
https://belkemigi6525.com/YmJhM2M5ZjYyODY5/
https://kemikadam252.com/YmJhM2M5ZjYyODY5/
https://parlementsigara651.com/YmJhM2M5ZjYyODY5/
https://selamcanm6142.com/YmJhM2M5ZjYyODY5/
Targets
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Target
ecca1a63f4e64571d329e6f2733232a72719d968e5e074d15e6b1541a2032ff2.bin
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Size
509KB
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MD5
3c8e13ee3cd4bc7b37b5ca90b1dee85c
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SHA1
7e9107db23bbd6b904d730ca90612067eaf03a71
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SHA256
ecca1a63f4e64571d329e6f2733232a72719d968e5e074d15e6b1541a2032ff2
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SHA512
d08a36c8849ef91d9e19be4131e0c11e76c517eacba651fa4739f9ec18ecbd141a58e145b158d0d771e8423e5608f865b7ac2ab84afc36656f1320110efac984
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SSDEEP
12288:xpBCnKToiP3Dc35Z9Jn68gwl00BaH+mZ2zxcQUSE8aHH:ZCnFK34pZ/UwXyDERUL8uH
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Octo
Octo is a banking malware with remote access capabilities first seen in April 2022.
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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