Analysis
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max time kernel
20s -
max time network
35s -
platform
android_x86 -
resource
android-x86-arm-20240624-en -
resource tags
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submitted
22-10-2024 15:44
General
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Target
a39e6b3541059c1e7f8a8850e0797d42e3eaacdd07e3a6849f2bbe6f2e18057d.apk
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Size
8.0MB
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MD5
92484a09766badd2a12739f0504b23a5
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SHA1
826625508d1fea3fa4310a4499ba45541df41cae
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SHA256
a39e6b3541059c1e7f8a8850e0797d42e3eaacdd07e3a6849f2bbe6f2e18057d
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SHA512
571ec1f479124a0036bd3f96ae0607b1b1bdacb8515ff33d6cdd3113b90d5fb397664e2e0a0e9e94b997208c656ea70b2f02fc33cccabde6fe66ffc244b52a92
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SSDEEP
98304:ctsNonp4YYTVKSFymj7CRsRRZ6vpxT5iSRGj1GW:PoiYaUSzj7CRuW1r+
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 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.rubinsystem_mode11⤵
- 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.rubinsystem_mode1/app_limit/MDAxG.json --output-vdex-fd=41 --oat-fd=42 --oat-location=/data/user/0/com.rubinsystem_mode1/app_limit/oat/x86/MDAxG.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
1006B
MD535ae7a86726d77f13039e00caf242dc1
SHA1c27da12f3a1c4113b884c23090deeb6374464748
SHA256a0be1ae0d305c251a26017fdca6d1aba43ced3bcffaa04a4cb61d7cb2c69a193
SHA512567fbb7bc52f19a9f1f1702b6dfec8355edde8f76fc59651e0111bc339d82490fb7a67fc6029142c44bc7872c1ab70da5d6439a9b151201471aa5681778399dd
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Filesize
1006B
MD58babd05e089dc54a0c33e9421bf44dc2
SHA144c74b64986fed538e8fc1dcf754796e76fba6c2
SHA256d17a5cb30e586fb342670b6580699c30b03fbb3ee69ab3c494c69e4c53b91036
SHA512ef8e13d50b0c04582debdb82b5481a219f3d0250a4dca3c4328e097c8fa3ce9b27e33abb7f433802cb223581d4ca9bd0b93f8ea1c53dd1254a3055848e817df2
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Filesize
307KB
MD54e73947cabb5db3f92ca85004981b754
SHA16d9667fdb0280ed2dcb782b4683e422a51bdc601
SHA2566db94232e756b90ed437f1bc87dc38cf20fb2e7c7a19a5e40c6c17254b7e234c
SHA512be8b500a7070af1dfb53b0cf1a7b327dadc4e163a6dad905496ac228c58cd1ed87b054533917924455d35e9b300683ae33e1bcdd91935a5dbae1d693c3e13d69
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Filesize
1KB
MD546b7d4f3e1d9a44e2156ad761f1fdc64
SHA1a06e1762f5c52570b6b5131ebd12f6018b5917a9
SHA2566071ad62012ef4ed771feacf0ce39a4d4620b7c6f72e0f25c793f12fc3cdb51d
SHA5122f2d29e8088248591f1f0be147e9cbd8158a8ad60a64a1a527de4daaf4dbea1f6b634d6ccfbd0d12d0b5ca8ed1cce5c28599bb230b8b6b47fb827029a68aebff
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Filesize
1KB
MD5923c14282612a375c989304387b92923
SHA148c2d4c79e6b1a7b8003ec9c4190e5f8a7b2db2a
SHA25633da65df5de8f27a8b3ff978421e74a2123ece32f8fc3cb6e1224024624d5237
SHA5121f101da8888a190803906be9ffcc4881b03a3586621ef966989077120ba34a0106ebf935018e50dbe93f6e37cff5dc12885a8a8501d7695c1571c4875580c61b
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Filesize
525KB
MD58b6ffbc975b4b46e590e011ec321ec51
SHA1a6371410179325809d9eb0f5668879d81f30f579
SHA256db18236570618a980e18b769892c9b55e01750090933e45bf8af6d45b4bb6d45
SHA5125aeac650e11b29d48093e3f52af30850f66a5de5ef27e6fbc15c3b2e65a688fbc54e0aaa85860a253e8bc16aa969d8391fb1287a15b16e96e37ee44c1a1d097d