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Analysis
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max time kernel
34s -
max time network
155s -
platform
android_x64 -
resource
android-x64-20240624-en -
resource tags
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submitted
20/01/2025, 13:35
General
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Target
file.apk
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Size
4.9MB
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MD5
3aa725662c012f2bf54b993467b2edd5
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SHA1
d2b8d88803c79e218fad64c736ad23c1386f3181
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SHA256
44fbc03f41d9478db9346c22b0d9854a2f2fa39e959a354e26fa8991a0669f12
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SHA512
50a7775daccd555bb716eb0a6c5499f5de6f7d9c96a93b8db8e78fbf33d13dd0f52fd016286f5f47c85246cb59517892df20bde403ac15611771cad03470f45d
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SSDEEP
49152:wWRsEXk0xyNKmY3XjU45iS7xrG+/G0Lf9xjVKScou/GQnzTT63lUmiLctkc:1RsXWyNjY3Xp5iSRG8PVKLPH8lOQf
Malware Config
Extracted
octo
https://8b230a871b7f1ff2a1ad9f9c07d6e67a.info
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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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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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.nstar5machinemodules1⤵
- 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)
- 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
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
167B
MD5f5887377d3ab72ecb8496a054394a36c
SHA17830ebb71feb3a36a1d23936863a8fb25b180390
SHA2568f2c3671bac39fcdbad998f3a28ed04df89c521d4194a8e7e2b8c166abe9fe39
SHA5128bec063108da1668401fff373ee7d5a920acfc5683b5082313a57a955691aa5ff477b2d65f7837780704bf21a1096ddc3193bcda948f17dc604d1eac92e3b7e6
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Filesize
526KB
MD50ca0ac7aaa3bdf2153febb80fc2318aa
SHA17dd749da58a973266c035aefb762dc9c0d7b42e3
SHA25687df9c07bdd2706460228a00c7dc5bf75493d89b8606506f93c24e21aa7e8ee3
SHA5124f4efd3a13771b5442c949f4cc1fb2baf20e76653968f2bd1b62bb6a141f69ef13c2de4d5fb4170b3f2fdc29e2d9e0fb4ce90e9e6c662e9443070d998b194a7b