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
28-10-2024 15:18
General
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Target
dc3e3b541d210e0fe4122f4db10e3922ed6479cb7c12384ebc4c4a419c7ea5ca.apk
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Size
7.7MB
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MD5
4f60e2fa9599ddcea946974275c464f6
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SHA1
d9bd9934c61ff1c3ddb5fb21d59bbbbf10ca4ce7
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SHA256
dc3e3b541d210e0fe4122f4db10e3922ed6479cb7c12384ebc4c4a419c7ea5ca
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SHA512
37dba496086bf85aad4ffcfe170388b3f94815c0ced1a1587ce2d9ca0b14787206f1dbcc05c11e6f1f0706b2eeb8845d285fc61a5b8cfa89ebe9698e56c7843d
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SSDEEP
98304:dNFivpVKrphWj725iSRG3PWVlYIRs9kDWxC/MY2QThuN:d7ypUdYj72rWGYIRKw/B2QTM
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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Checks Android system properties for emulator presence. 1 TTPs 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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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.handed_calculatorj71⤵
- Checks Android system properties for emulator presence.
- 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)
- 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.handed_calculatorj7/app_term/Bj.json --output-vdex-fd=41 --oat-fd=42 --oat-location=/data/user/0/com.handed_calculatorj7/app_term/oat/x86/Bj.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
1Input Injection
1Virtualization/Sandbox Evasion
3System Checks
3Discovery
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
1013B
MD5784ee5eee0fe18e5241579eeed760f38
SHA17f1059d27e77d6098e770c6d584beb1aa1c23c94
SHA256357d18c5cbb3ece82fb0c75da7a762c62875189c75d8a4a0a6e5368ba9866993
SHA512897c0e3c1a929ec53242865f02e3608e27f3a20fd5e521e711bbc186d9a338809a24ce7e1637d101ffd5e1b2b5b87e1e4741e30f8f8b345ebde578cf133dc59d
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Filesize
1013B
MD59fd9e22e952a84aca2e5efaf20149aa4
SHA1d4958b7effdb548479baec5c6890f43c5c376e8e
SHA2560b8381d501ba438e7e2af46f47636cd7a69c5f176d32ccf03b0faabeb15057c7
SHA5125e2f4b895de893a7184711823f9f629546522ce1faf6846ae3413b511c62ff095cd33180e32b1933d681bfd27947bf6d24230547deb0964a04542841b13e6ba8
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Filesize
307KB
MD54e73947cabb5db3f92ca85004981b754
SHA16d9667fdb0280ed2dcb782b4683e422a51bdc601
SHA2566db94232e756b90ed437f1bc87dc38cf20fb2e7c7a19a5e40c6c17254b7e234c
SHA512be8b500a7070af1dfb53b0cf1a7b327dadc4e163a6dad905496ac228c58cd1ed87b054533917924455d35e9b300683ae33e1bcdd91935a5dbae1d693c3e13d69
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Filesize
1KB
MD51059b09dad20e84a38216a3db7768e2b
SHA17f1c9898b1355becaed171372d92e6b99dda82c7
SHA256d2c3d69c21e755de7ed0a7f5040f968c4053c79271d612520f2a20dd3324eb44
SHA51235b64c67e1a837015b0e1b128916a468ca05dfaa40b38c5b8020cbfd929bf398ffc245b4bbb487dbd1377da798b4e97ee8d05d06a60d0b3add9beb14402feacb
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Filesize
1KB
MD5df07b73942f7f123cfae32acf4e749cf
SHA1fb4a44e8fd4c6205a834c495985fe5aef0d95aee
SHA2561b1f08082ab4b05b616baeb040dc86376faf853ac9be00cbad7aa0ed3c3ba80c
SHA512ba4250d9443cc4d0a0bf296dfcecdadbb3ec967fc5b8aeeea1737dd0bca0a52436ee30fdf5fd0e7664a619db56d36efa7202e2bdea94220cc9562fda6f8ba1fe
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Filesize
526KB
MD5db85d8929635c1f72859d4d979214fb1
SHA1917b94c1d6a97cd14ba48279227e06d0e2fbf481
SHA25644ee7832042d7a971aa0adcb31f3e1358f5e3db7298d0afe2ef1b6be9718b54a
SHA512accb1485ee9b948940722e46b9deb34e79d7254571b3f815f5f60c1348b27ff82c302537c7d8fbc6ebc2baa5da4b87de20c3e09bc955a38e25c8ed41b67da000