Analysis
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max time kernel
138s -
max time network
157s -
platform
android_x64 -
resource
android-33-x64-arm64-20240624-en -
resource tags
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submitted
21-01-2025 10:45
General
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Target
4b8d62995ec46c6a3355956f178f81a72875d3024f58055957ccbf67cc187038.apk
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Size
4.8MB
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MD5
c3b13dbbe331e3645b49013c17709f0e
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SHA1
b0151c731a589ee966b4f654c1382ede747309c8
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SHA256
4b8d62995ec46c6a3355956f178f81a72875d3024f58055957ccbf67cc187038
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SHA512
c2e15797b8a7bbebcfaaa69483ec4a32a648a0b0c1e388dc7fc58abe5a4c365b7ef710e191ff4446ca1064e34bef69486c70870ba050009ba6026ac58411b970
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SSDEEP
49152:4RsEXJXNKA5o3XmT45iS7xrGTGVfHnEjVKScTMPWoNT5ThPoXLmj54b:4Rs6Nh5o3XZ5iSRG6yVK+3TtFkCj5C
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 1 IoCs
Retrieves information displayed on the phone screen using AccessibilityService.
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Obtains sensitive information copied to the device clipboard 2 TTPs 1 IoCs
Application may abuse the framework's APIs to obtain sensitive information copied to the device clipboard.
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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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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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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.rkwriting82selectornotes1⤵
- Loads dropped Dex/Jar
- Makes use of the framework's Accessibility service
- Obtains sensitive information copied to the device clipboard
- 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).
- Uses Crypto APIs (Might try to encrypt user data)
- Checks CPU information
- Checks memory information
Network
MITRE ATT&CK Mobile v15
Defense Evasion
Download New Code at Runtime
1Foreground Persistence
1Hide Artifacts
1User Evasion
1Input Injection
1Virtualization/Sandbox Evasion
2System Checks
2Credential Access
Clipboard Data
1Input Capture
2GUI Input Capture
1Keylogging
1Discovery
Software Discovery
1Security Software Discovery
1System Information Discovery
2System Network Configuration Discovery
3Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
48B
MD5046a414913add6f5bb60072c7db819b6
SHA1451ee4f6809260aec622d772fd329c7d0297a842
SHA256b66c1320cb063a1d391c94273572ea6edae76c8c8b0a07f8d75c88686f0df72a
SHA5124e6355f3051ed5e811ab030abde1f5be7f5e1cf33be99cd08477e9b6c015deb1d8bd75a09fb9c7176b8511c5ad0a67abc0902a3531e97564ccb6afc57496a47c
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Filesize
322KB
MD577dc50489b9323274732d27dc8a4e803
SHA10e02a3595b62489d0739d771881da8604d117c65
SHA256c5684e792d1ebefea6aac09fed45911703fd58c899f8a08133d49dd91429a820
SHA5120684a92f3e9c525384cfa53f531afba61e5930e1c27032a7e27e3315f72761b62e122dc34768d8162ba08f9bed53d148aa8dc034b46456bdd211f230637eba58
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Filesize
13KB
MD5598b3673f7905860575ed8c5940c2461
SHA1688830b8532597b42ff1ffb4105faa07ece57653
SHA256282c2b7f9dfeaed623129b8b7b90eb6a9dd1b21ba34097a42049d3053c9815ee
SHA5129637c003c2663493942b963ee85b17997ac7dcf60838cb1c7ad8804c7c2f123f282e2eeb2a8261f64045a780e1a1091342e873880e95866d63e4f1a962d851e1
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Filesize
527KB
MD52fb15ad75b62081e01c7add762640805
SHA19aef817cf07b58ac08f01ca4cdfc1835831cfd9c
SHA256e2e077b681f666256d4531a90758cb7f7d0e642bdb83be0efe9aed81b77e3714
SHA5127d2a5f8fa4bcdeabca977e94622bb0ecef00c36a1a224b26c0adea50d89a6d0d8d6f46f90559d572525a0ccb3955f6855b4f7b6817177bf9318c9c6fcea2b0fd