Analysis
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max time kernel
21s -
max time network
35s -
platform
android_x86 -
resource
android-x86-arm-20240624-en -
resource tags
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submitted
11-01-2025 16:46
General
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Target
8a0f340d3160a7ce2f0b4b87168050718f78a3cba8cf3fef8aa413bcf3d93371.apk
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Size
7.7MB
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MD5
d5e532b80af4d4a5ca052b18fa8de40a
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SHA1
cdf20adf79519223b0fd2a6d0e8f64b94a1521e8
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SHA256
8a0f340d3160a7ce2f0b4b87168050718f78a3cba8cf3fef8aa413bcf3d93371
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SHA512
ff5c99127522c0da84a768cad48056112605c1eb4a81d2ca366e90b4c0d55ea4d0f1825e446506d612208b2c937ef474e758fa35ae83eac697e647a05a0f637e
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SSDEEP
98304:XZyl72/5iSRGI8VKTzke3bYzO8MHc3XcRsoGeMkTkgzp4sp:kw/riUdbYJM83XcRhLMUkgzSW
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 3 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.ystar3wlantestericsson1⤵
- 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
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/system/bin/dex2oat --instruction-set=x86 --instruction-set-features=ssse3,-sse4.1,-sse4.2,-avx,-avx2,-popcnt --runtime-arg -Xhidden-api-checks --runtime-arg -Xrelocate --boot-image=/system/framework/boot.art --runtime-arg -Xms64m --runtime-arg -Xmx512m --instruction-set-variant=x86 --instruction-set-features=default --inline-max-code-units=0 --compact-dex-level=none --dex-file=/data/user/0/com.ystar3wlantestericsson/app_post/YXn.json --output-vdex-fd=41 --oat-fd=42 --oat-location=/data/user/0/com.ystar3wlantestericsson/app_post/oat/x86/YXn.odex --compiler-filter=quicken --class-loader-context=&2⤵
- Loads dropped Dex/Jar
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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
1020B
MD509f94bf7976401a7626a42546734ec5f
SHA1fbbb2495732b638e3473ee3fdb90cc1f394e3aa7
SHA256000ec6f2d325748ba0c871b97e62d2dfac4b46d7266d048963c2b35f46bf6669
SHA5129a19841a1230ce5595bcfaf5fa02c91ff40d9afdf86b9b9a5ac5a3e5be0b0b3b3a3444935a75bef327e00a54e6d14d17268aa1c0496086a70bf6e70ecde030bb
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Filesize
1020B
MD520843570d2d01dd1d72f66f77ccddb52
SHA1647928abfa4ddc5e36fbbe887d3ef8c9fe0b4e29
SHA2568f12ce06bec97a18fb6074e24378a5af9c5f20e163667e53740a0b7e7a36e9c5
SHA5121db32757249de404022ebdcc72e14b81b782481fa8538db021f41288ffbebd929e81c9fdfe5ab29aba0adf99ec779ebdab8088b96071ec1072ea3fd811faf6fc
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Filesize
307KB
MD54e73947cabb5db3f92ca85004981b754
SHA16d9667fdb0280ed2dcb782b4683e422a51bdc601
SHA2566db94232e756b90ed437f1bc87dc38cf20fb2e7c7a19a5e40c6c17254b7e234c
SHA512be8b500a7070af1dfb53b0cf1a7b327dadc4e163a6dad905496ac228c58cd1ed87b054533917924455d35e9b300683ae33e1bcdd91935a5dbae1d693c3e13d69
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Filesize
1KB
MD593da407a541c00f6ff482b19a7fb1ad7
SHA1942c4acdc8ece0bbc326fcdcc694f672615900a2
SHA2561b511d7713afd99ca089f53aeadccbddb742e2e39e229223803ba598279b57d3
SHA5122e3f12ad86b5413a00ecc40a9d425fc3a74e7c1e32af0853d38ff933d4a7fabc8887c8debaa0ffac9e1ff8786b6ec536b2b4a049e8aa88b9e80acbeafc111d62
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Filesize
1KB
MD58b594e58f918ca788c36567efd16dd01
SHA13a7a0c2093dc5f5d3d0fb081815719d3c700030e
SHA256c4e007750137277d4c3f7977eccbf45c72f466d3807882d606f397329bf75934
SHA512acd593a330576880aa5b6e34aebec25c1c7f24f9a6f6c4c9e93281934e794ca107e8d73e0f6c5ac073554e5ed5696fd55c135b3444d396280fe35da526ad3d67
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Filesize
526KB
MD5624c08ae1501abfa38d9edacd1f46303
SHA14ced730253458a904223c77a5e6a6eb5512ebfbe
SHA2567a86a66710ce6ed4ddb9469afc265f4e8f0f54facb9bbbd52af5e081a77bb1aa
SHA51265501dac8de20258264edbefbab4c96cd0bdf181febc1e96d1f4a0d90af4b73c8281ffedf2c2a21cef0eb93080af6512d47ad28553aa7885abad998a6542e140