Analysis
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max time kernel
138s -
max time network
131s -
platform
android_x86 -
resource
android-x86-arm-20240624-en -
resource tags
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submitted
08-10-2024 17:46
General
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Target
de5dfbb52d1356fdf20b76c6ccfc95aae4ecb82e3d8c034ce47a7bf4799f2ddb.apk
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Size
9.7MB
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MD5
653b7044dc5589e7888227cb47209d66
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SHA1
f2625c63fc9198c713047a0d388c5ec15f1fe67f
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SHA256
de5dfbb52d1356fdf20b76c6ccfc95aae4ecb82e3d8c034ce47a7bf4799f2ddb
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SHA512
224176205a371185ab0c1e912b10fd69bae6da2a5847ed1726ca944058cb2f1bfdd1b0d84f754d693c6f16bba26e33fc936b0ac46eec5543eaefd9a5646fac94
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SSDEEP
98304:a/IilVKB3Xh3XT5iSRGbcRss1MK7DQR/jp6qJEWIYBI73o4gijPIBxXOFZrf2IeM:aIwUdR3XTrTR3MbrQPIDgrf2QQm
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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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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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.fextra94fastoss1⤵
- 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.fextra94fastoss/app_hen/jKXHoTi.json --output-vdex-fd=41 --oat-fd=42 --oat-location=/data/user/0/com.fextra94fastoss/app_hen/oat/x86/jKXHoTi.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
3Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
48B
MD5046a414913add6f5bb60072c7db819b6
SHA1451ee4f6809260aec622d772fd329c7d0297a842
SHA256b66c1320cb063a1d391c94273572ea6edae76c8c8b0a07f8d75c88686f0df72a
SHA5124e6355f3051ed5e811ab030abde1f5be7f5e1cf33be99cd08477e9b6c015deb1d8bd75a09fb9c7176b8511c5ad0a67abc0902a3531e97564ccb6afc57496a47c
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Filesize
1013B
MD535652f43b5e03f830bd170e79b0b9674
SHA14c4f6d295117a5c47493af2aa6c1c37c039b9e3d
SHA256f94cf69ec295a27f2171a0d172dc004193d064e5947ffdc65cae8dfe59a21ce9
SHA512d205e51ec53294fff80949a3233698199908248cfaad771c56a0831202403f5128bd303a956bcb92c2c5dcfc0b986808b65bfee93ca1ba7d2b6ba84eb02b9813
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Filesize
1013B
MD5f33c4830b5770baa4c7238149147895b
SHA11199ff501b12bfaaa7a7cd42d92a11f6bffde688
SHA25603a795e2623773c2590f001976b0fc1fbd88fd9e4f060de2b8f3456ac5f87e9e
SHA512ef3b385187fc574ba7b5f63e269c16ff60c178063e618a74e1628410a80d51822e7339e6e52a96620c38c035fd674eed42e1361bb6c946cbfd53d5f9b95c2adc
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Filesize
307KB
MD54e73947cabb5db3f92ca85004981b754
SHA16d9667fdb0280ed2dcb782b4683e422a51bdc601
SHA2566db94232e756b90ed437f1bc87dc38cf20fb2e7c7a19a5e40c6c17254b7e234c
SHA512be8b500a7070af1dfb53b0cf1a7b327dadc4e163a6dad905496ac228c58cd1ed87b054533917924455d35e9b300683ae33e1bcdd91935a5dbae1d693c3e13d69
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Filesize
1KB
MD54020a0a4aba8ce3ab388f81c9e110e05
SHA10ebce449d10fc9dcef43b0ea814259349a768042
SHA256e98aa268d8ae585208aae70999a42ee203d77c741a98c430aeb45f7ad7c4cf5c
SHA512971875c25b4dd5cb1a1e28a1f9754a70563f4106cdfffb8789acaa5012195253d957b8aca601308350542d64972e08a1a28b27be4fb0398f744c57084ce0a543
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Filesize
1KB
MD5bfaa418c1862a7878b5355e054b083a0
SHA10fe33d4a4a34355c6527a990cf1c01e44ff1ff00
SHA2561ff2abd899d4d74eb9af439a097e85862dbe38627fc3c58373879016cbfbfd0f
SHA51289f99190071985de3723a31977900b472bb42c6574a962be9764c1a0bf6131745b20854c30e45e4431f3e822fa5e2dc0fb88d373bc1443b474c21ee57f4155fd
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Filesize
525KB
MD54ccf4137d8ee1a30fac2f1d45f15b810
SHA1a7cf9cc55db678f411b47ebcb6469a2339540eb6
SHA2563193515335ef3883735034687cd92b00378aef2a6090558e4d7fd83b4df381ea
SHA5125b62cb505cb28b6ff494c02f61590bbd3f37229eeabf8bd2d63fde4ad6221e91f9b6586814cdcbcc02b5930af53dc9d611bbf69d0de8fdc35b7370a17d86d0a6