Analysis
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max time kernel
139s -
max time network
136s -
platform
android_x86 -
resource
android-x86-arm-20240624-en -
resource tags
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submitted
19-10-2024 22:13
General
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Target
f9a25fb0043703c5ecb72352ddda90ba6d5314c887f192c7f3fc17239a523d20.apk
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Size
4.8MB
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MD5
d149ef990d67bd69ca1d35a10ee79ca8
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SHA1
93e960fd5865b998b7fc0ae778b48ae727151b1b
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SHA256
f9a25fb0043703c5ecb72352ddda90ba6d5314c887f192c7f3fc17239a523d20
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SHA512
3d5ef511d6cc473f9bb9766d927dd5f707a51fb12147a322d84708de77c3a7439b5048a36a9db0bd126a022df2cb95e408cf6ba058fa15b63973b94e6e78a497
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SSDEEP
49152:SRsEXBFzKk/j7I45iS7xrGo/h85tCjVKSc+I7AsnwMUqkjSQxWyW:SRsszd/j7x5iSRGv8VK7y3qHQxRW
Malware Config
Extracted
octo
https://7d01154802d68a3efdef591013a6da43.top
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 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.cassurance47klmsshare1⤵
- 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
MD5f3e940c8b7ceeaa820bf8bb4e9063e76
SHA180e25b481a685263c9a1a398c8727967f297b410
SHA2569119aa3166f781d11eba831f6f1b52266a016a9ee92da5a5f72afb1df6ec5d6a
SHA51254eaac70f52433fce0e508c0f303f1945927a734e5c9aa542aeaddf057987df071d70044b223c83dfd796ae8197967ad56afbc2ddf8b439dd9e7ace9b5fbeb8f