Analysis
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max time kernel
299s -
max time network
306s -
platform
android_x86 -
resource
android-x86-arm-20240624-en -
resource tags
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submitted
30/09/2024, 09:53
General
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Target
751E36D86F2F903206E38392A760387E091265118D39A256428CAE4B312FB0CF.apk
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Size
8.3MB
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MD5
32c0bf4fcff08cc439754ed4e79d54f7
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SHA1
77556c54dcca1995747d1ca58d4edaf5ea5aefb6
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SHA256
751e36d86f2f903206e38392a760387e091265118d39a256428cae4b312fb0cf
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SHA512
bd50ef51d75fe6d6f8f35e961668a9f2adb1ba1fc798cc4023a878d66cff3a97c843346928e31bacbc91e26aa00043d19c7064c1f5a226b7c6634bbd0400c93e
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SSDEEP
98304:FhBlNYEzf6wj7KRspPDnQmkJZDb5iSRGZ2VK/G4JKJCkC:zBomfdj7KR0DQmkJJbr9UOqmpC
Malware Config
Extracted
octo
https://520865f8baa00f539e6958472424bae2.com
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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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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Requests enabling of the accessibility settings. 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.dcell_volume421⤵
- 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).
- Requests enabling of the accessibility settings.
- 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.dcell_volume42/app_that/ljuwim.json --output-vdex-fd=41 --oat-fd=42 --oat-location=/data/user/0/com.dcell_volume42/app_that/oat/x86/ljuwim.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
4Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
48B
MD5046a414913add6f5bb60072c7db819b6
SHA1451ee4f6809260aec622d772fd329c7d0297a842
SHA256b66c1320cb063a1d391c94273572ea6edae76c8c8b0a07f8d75c88686f0df72a
SHA5124e6355f3051ed5e811ab030abde1f5be7f5e1cf33be99cd08477e9b6c015deb1d8bd75a09fb9c7176b8511c5ad0a67abc0902a3531e97564ccb6afc57496a47c
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Filesize
1012B
MD532095d309c495c91e88e334739ed2ce4
SHA1f50a573cd48612fe56fd03dc84c8473ba56ee3ca
SHA256fb09025c513eeb9dc57e51e9b068d5ad83c9ea6963fa24bacfd3b5b263a679fc
SHA512a4c2e21d0dda6bd058a1eba38fa3ab6ac13a65498250ba8f8408a3f398963bd92739076be1a42ba956481b63f93d73d62271bb03b70e6edb4903a2f42b9fe54c
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Filesize
1012B
MD5f468a01c5add684e9b7780a2f11c569a
SHA1d4172c518cc9883ae92fd5bcc3999f72f31eef7a
SHA2566859893e71ab36c05e5709e0d5134e224055b818d88fa4257c521bf3e4d8ff2f
SHA5126c11f27852de2ddec3df66709ff50f637da7f8e2b0817f31caede3d32cbd3709525d5490febbc3f207589bb93f8074bab6f76b09fcfb40b4e3bf1891f759fef0
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Filesize
307KB
MD54e73947cabb5db3f92ca85004981b754
SHA16d9667fdb0280ed2dcb782b4683e422a51bdc601
SHA2566db94232e756b90ed437f1bc87dc38cf20fb2e7c7a19a5e40c6c17254b7e234c
SHA512be8b500a7070af1dfb53b0cf1a7b327dadc4e163a6dad905496ac228c58cd1ed87b054533917924455d35e9b300683ae33e1bcdd91935a5dbae1d693c3e13d69
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Filesize
1KB
MD5047a92f4b3a68865a16aa9595aa99847
SHA161d59ea846b0ac25917bf6bd75caff649f0abaa7
SHA256b3ab2429108ee9e71e9ca5384921bb22e5d091b6aa730d1af27e5c5b54265e82
SHA512fd73d1713faed35fa7ee58b9fbc603d8c3f23eff00af828faa5e5445fca1dd97696656a9bb1568b1daeccfb6100ca88a36a6decf3a03357b1ba236edc449d10d
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Filesize
1KB
MD5009e24530882f2f739ff7d772d1cb240
SHA1cb2cb8a5a92b7d63306eb2d00bc01bef68fd9da6
SHA25662b6d21b8c914a006ff007aeb817304693488549bf74cb90a57e930b09f45917
SHA5127c06e2f65122c3f453d7a3d68345d28b7c1c6c3e0ab102f3fa05d7f9a52c9a7f08b4710ff65e5f13fe98fc37a3aa988d6edddaadb78feea4ac056d90a3e838fe
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Filesize
525KB
MD587579306477288e8bdfda7c30138ace0
SHA1f1d51485f9f95c57ff362ef7d2afcb333cbd1b31
SHA256fb1be6ea55e2744d049b7c5bde71314b51e0926e859b64ad0dd4d2990e4bc7c7
SHA51227347feb6274d1707d925599d72106a9e5ac1e62725b97df8f692b9d4aada2cdc0577136fab07d5607ad4f972dbbca3a3f4d748eeed39c97a2cfafefce6f9bdb