Analysis
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max time kernel
21s -
max time network
36s -
platform
android_x86 -
resource
android-x86-arm-20240624-en -
resource tags
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submitted
11-11-2024 09:48
General
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Target
1f415d5ba44b10e2fb444d53bb92cda912db4d5c7946cf14ae0e2445c868ac96.apk
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Size
7.5MB
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MD5
6baf0acf0ab1391ae5bcdc6b115e9d5a
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SHA1
7c6db4994de6a38550fc2b16144093270b722e5b
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SHA256
1f415d5ba44b10e2fb444d53bb92cda912db4d5c7946cf14ae0e2445c868ac96
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SHA512
4e8f128eeff2c8ca084350947fe2a41cc5180ed51de549b50522af24a9e27872fa7f8f6564490c0d7495cc518d95bcbb1155be5c730b1dec952c4c44b7ecc8bd
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SSDEEP
49152:3d9siPSXXJ/jVKScK7j9mD/XKqz3X6H45iS7xrG4G8H+LjRsEX9PpaR7PRp3aFtN:vM1VKU2rz3Xl5iSRGZjRsCpSwGt+Z
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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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.vservices7_emulation1⤵
- 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)
- 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.vservices7_emulation/app_critic/xfR.json --output-vdex-fd=41 --oat-fd=42 --oat-location=/data/user/0/com.vservices7_emulation/app_critic/oat/x86/xfR.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
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
1008B
MD591fbf53b4c4980e7ac16553d2d6de2cc
SHA1de416d35d0769260787c420a2ec859f39f855a2f
SHA2561974901f22dfe2481be1ed5f738a7cf1c146b8813da9d33c2f82911af3ccc6d3
SHA512cfcc28f3d0cfaa761513d092e17fe8315e9c5e43f3263771b8c8f4ef061159640cfbc86be1228bc3f41454ab15fedaf92d0f48dab3758ee34e604b77772882eb
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Filesize
1008B
MD5cd4f38461396a0d2d5f239fd3106dc0f
SHA1a97506fd51558bed56591c76237ece3f9e717640
SHA256824634619b20bb0a1a96789b721c707fb6b91c92e0b0915e272cbb3a70c664e7
SHA512c49419baeb5e309c8daa860dcad79560e564a4e0b23db7a76eba67fdad852e61ada2f3332e259d1622f17fb19dcc675c89b16443519d0b7e143bc4bffa08c88b
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Filesize
307KB
MD54e73947cabb5db3f92ca85004981b754
SHA16d9667fdb0280ed2dcb782b4683e422a51bdc601
SHA2566db94232e756b90ed437f1bc87dc38cf20fb2e7c7a19a5e40c6c17254b7e234c
SHA512be8b500a7070af1dfb53b0cf1a7b327dadc4e163a6dad905496ac228c58cd1ed87b054533917924455d35e9b300683ae33e1bcdd91935a5dbae1d693c3e13d69
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Filesize
1KB
MD5c4aa6f9abbfc839aef07c1c5d239a69f
SHA1c7dece3df277d4e3e937b70a12ed7b75288ffe24
SHA2561bf6f2b67f9819a58badab582ccdc8d929371e082ae081cc3dc8792dc64f4098
SHA51221827a8ff013e31b43c1f40a7ac1ec637955e203fcb7ba369e41e3e36825407c958832e7e8ce86774e090305699a20979054cc55365acf1a6f1fffef7b6c5020
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Filesize
1KB
MD5a715005cf758a2d89db3ba89ffcc1810
SHA12b3f1925ea42a19be818321eb9f302e5379c76b6
SHA25684d10cbe5946f7b2c0f5b9ab1828b52080a511b6ebb4be26884e07c55f9f5d1b
SHA51271931931ded9a9d90000e722f30b0392577019aa3d4010a42c1c21ff30a8a34031fc996e8428d022ea3edca413a2fe6957c01ab7bfa2eecc674005a85e36142c
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Filesize
526KB
MD590ffb2d6b3a7cbfa9119bec63ea88752
SHA12b4c6aed969b78d104e4a6c37e87e333a980a264
SHA25665bfcb4009eff7d0247a6e3cfca277adb1b8db02131e7218805f5f4b7686c478
SHA512c412d5d6e64147110d0d71b3d85b3753dd35c8028b017f09a08298368dbcd4513d93156889e58f5111b00980e1ebb940f403c23e772a14cf0a4943db3ee5b862