Analysis
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max time kernel
27s -
max time network
41s -
platform
android_x86 -
resource
android-x86-arm-20240624-en -
resource tags
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submitted
11-11-2024 09:45
General
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Target
64d3afd838f529252f3975298bb37a1cb871486d5c690ede912fb51800523383.apk
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Size
7.6MB
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MD5
283f2b0ce547406e835cb069ce6da552
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SHA1
d016401c77ef8abe16c4183032e9053261ac4149
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SHA256
64d3afd838f529252f3975298bb37a1cb871486d5c690ede912fb51800523383
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SHA512
c8b83424f75e516dc5759017366cad3f6285680068abbd1bd173372098b32cd35ed27f276fe62b39894962c8ad9824bb22e073784b93b6a598c50cf99fe4734c
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SSDEEP
98304:VPvu5iSRGxSUH3X+VKL2RsQjh53Xwycbj8/kFW0FYDnd9cIR/SJTvtG:VPvurfk3X+USR5A9r8IYV/whG
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 4 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.gcom31providers1⤵
- 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.gcom31providers/app_dex/classes.dex --output-vdex-fd=41 --oat-fd=42 --oat-location=/data/user/0/com.gcom31providers/app_dex/oat/x86/classes.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
1KB
MD5eb65ac5c2dc00b48a211c8e70e2c564c
SHA1fe093ce4b18285b2a43b1b91a5c5e47dc95660aa
SHA256132b1f07b20fd19b04666ca13c846951632dbcff6d31ba4f1749d5ce4050bad8
SHA5124bd2b081419513e58d2381748ff79d0c042823f8ba4cb7e42cda36bad7c8d9182b79a71f14f516c7a407683cd700ad28de8754f09371e528cd274163c42cb243
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Filesize
1KB
MD5ba8304c9e14566d7dbe8088089fd59a4
SHA1c05b34563acb93ad9cd523f6271c0d2fb9b74868
SHA256545d005f9cda6b2672d6dcdf1a6d83427c8863ccba49ae1a3f58461b29a12a93
SHA51265c72a8e48ca3036aeb498408be213de2ae52776bcdbc73daae91b5e15fe2ebbc0014705f483dadf7408c1f5a7abd8dcf78c0df476e0f8ddbf61fcfc1d8dd146
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Filesize
1KB
MD552ba42c1af65da09b9986bf7a02ff3dc
SHA1aea733d2594baa7d4a68d337c1bcbe6afc64bb64
SHA2567486de0d5ac7b2a0c2290b8ccf67f88b8abcf25cc7862609f62ecb277ea702ff
SHA512bd46bf67601d34f4fdc261798e448e1b37f54e9674f8e0256db45a7b4db3ba717a4a54805b1eedae4d7f2f5fca91b366ea2cef3c9f902a55d6f5e2b824496f29
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Filesize
307KB
MD54e73947cabb5db3f92ca85004981b754
SHA16d9667fdb0280ed2dcb782b4683e422a51bdc601
SHA2566db94232e756b90ed437f1bc87dc38cf20fb2e7c7a19a5e40c6c17254b7e234c
SHA512be8b500a7070af1dfb53b0cf1a7b327dadc4e163a6dad905496ac228c58cd1ed87b054533917924455d35e9b300683ae33e1bcdd91935a5dbae1d693c3e13d69
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Filesize
1KB
MD5d5d3ac775030b098e76c19aed8e5695b
SHA1d1cc9a8721a02943ddc6b5e3c875cc290c5dcdc6
SHA256b137ed21f12663590373333a4a8ea52925faaf113b7790cf1c26fa79a0323e24
SHA512f707b4d9324f356647beb3033098d7d97c2eaa96620830083e4d4092e650c1b4aa1f9cf84d03700dcf6f090cb5f0056099a3db89f8af1ba62102e011beca2f0b
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Filesize
525KB
MD576e59d3e3c9bc98bcced1da7340cfc37
SHA157af0afc8a0fa4ddc554f754041933679c03f35b
SHA256321608254d21b14b86f246ee4e9b8617146654d712eea28c796150fb68acee61
SHA51234da3b0ca7463a19fe2f21e47dd6d97fb5148ad98206d744a38ab04b39531eb3384ba742c0db46b019bfa3690a911e0f23343937905e592d1d967aa20c7c41be