Analysis
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max time kernel
139s -
max time network
133s -
platform
android_x86 -
resource
android-x86-arm-20240624-en -
resource tags
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submitted
07-11-2024 22:09
General
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Target
3475d087c22616f9e8c78c50e0c1591225f60a1212eb863679a761e0f38e7bea.apk
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Size
4.8MB
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MD5
c8e68dad38bd31d444faa3ed4cb05f20
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SHA1
34de03a79599d72cd097b41bbe6901127bcba6d3
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SHA256
3475d087c22616f9e8c78c50e0c1591225f60a1212eb863679a761e0f38e7bea
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SHA512
652fa20bd8ca22d70f15df96be8c54efd597891aebde43aadf0c54b7c26e2006eb2eb913c1aff426d7a480c4ad62ab2c646525e99ad6a1540b8d40c6735b1860
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SSDEEP
49152:z3RsEX803VJjKJ3j7b45iS7xrGzr4uonJ1jVKScNFFLptDcPrdcdjjdj9:zRsnwVJj03j7M5iSRGgvVK1xDmrcjR9
Malware Config
Extracted
octo
Signatures
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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 1 IoCs
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Loads dropped Dex/Jar 1 TTPs 1 IoCs
Runs executable file dropped to the device during analysis.
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Makes use of the framework's Accessibility service 4 TTPs 2 IoCs
Retrieves information displayed on the phone screen using AccessibilityService.
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Queries a list of all the installed applications on the device (Might be used in an attempt to overlay legitimate apps) 1 TTPs
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Queries the phone number (MSISDN for GSM devices) 1 TTPs
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Acquires the wake lock 1 IoCs
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Makes use of the framework's foreground persistence service 1 TTPs 1 IoCs
Application may abuse the framework's foreground service to continue running in the foreground.
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Queries the mobile country code (MCC) 1 TTPs 1 IoCs
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Queries the unique device ID (IMEI, MEID, IMSI) 1 TTPs
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Reads information about phone network operator. 1 TTPs
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Requests disabling of battery optimizations (often used to enable hiding in the background). 1 TTPs 1 IoCs
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Registers a broadcast receiver at runtime (usually for listening for system events) 1 TTPs 1 IoCs
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Uses Crypto APIs (Might try to encrypt user data) 1 TTPs 1 IoCs
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Checks CPU information 2 TTPs 1 IoCs
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Checks memory information 2 TTPs 1 IoCs
Processes
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com.gkunified0_navbar1⤵
- Loads dropped Dex/Jar
- Makes use of the framework's Accessibility service
- Acquires the wake lock
- Makes use of the framework's foreground persistence service
- Queries the mobile country code (MCC)
- Requests disabling of battery optimizations (often used to enable hiding in the background).
- Registers a broadcast receiver at runtime (usually for listening for system events)
- Uses Crypto APIs (Might try to encrypt user data)
- Checks CPU information
- Checks memory information
Network
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
1Input Injection
1Virtualization/Sandbox Evasion
2System Checks
2Discovery
Software Discovery
1Security Software Discovery
1System Information Discovery
2System Network Configuration Discovery
4Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
48B
MD5046a414913add6f5bb60072c7db819b6
SHA1451ee4f6809260aec622d772fd329c7d0297a842
SHA256b66c1320cb063a1d391c94273572ea6edae76c8c8b0a07f8d75c88686f0df72a
SHA5124e6355f3051ed5e811ab030abde1f5be7f5e1cf33be99cd08477e9b6c015deb1d8bd75a09fb9c7176b8511c5ad0a67abc0902a3531e97564ccb6afc57496a47c
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Filesize
307KB
MD54e73947cabb5db3f92ca85004981b754
SHA16d9667fdb0280ed2dcb782b4683e422a51bdc601
SHA2566db94232e756b90ed437f1bc87dc38cf20fb2e7c7a19a5e40c6c17254b7e234c
SHA512be8b500a7070af1dfb53b0cf1a7b327dadc4e163a6dad905496ac228c58cd1ed87b054533917924455d35e9b300683ae33e1bcdd91935a5dbae1d693c3e13d69
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Filesize
526KB
MD58199ec81459137e153c8770d6d4cd47a
SHA1cda3d9819852869716c9f735bfad130d2444ca98
SHA25619f475f62cdd995e83f4e71ceb534e5efdb2f9aaae9af3180eabca6268b16f44
SHA51280dd51e8f7381d0f017ee5760e1386bdd13c4c8e8c0db8002576801a7ceaafc494c575b044c55f8343bc5c54e971623ed3da687181702b7eb779e4bf608365be