Analysis
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max time kernel
23s -
max time network
38s -
platform
android_x86 -
resource
android-x86-arm-20240624-en -
resource tags
androidarch:armarch:x86image:android-x86-arm-20240624-enlocale:en-usos:android-9-x86system -
submitted
16-12-2024 02:17
Static task
static1
Behavioral task
behavioral1
Sample
aba33f0074f077bef33975a29d53c9d9f0df459777497995a52d3e93a8660d82.apk
Resource
android-x86-arm-20240624-en
General
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Target
aba33f0074f077bef33975a29d53c9d9f0df459777497995a52d3e93a8660d82.apk
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Size
9.8MB
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MD5
e7839878e7f1fc23ffaa40786f169920
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SHA1
cbd82fd7d91fcf0d09e03d5673b0cf36159ac744
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SHA256
aba33f0074f077bef33975a29d53c9d9f0df459777497995a52d3e93a8660d82
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SHA512
325d4a404cfd34e6520c459c647787143bb9ad2c1acb50bbe1d2836869c0daefdb7951c4038f67225d31aeb6ac5879b061da1a0ce85da0ad49c00bc3ed645338
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SSDEEP
98304:Yy+bVKiW0Aj7T5iSRGeY4yi13CRsnuhCZWVLxMN3SZqN:Yy+bUlDj7Tr44yixCRMwLxc
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
resource yara_rule behavioral1/memory/4227-1.dex family_octo -
Loads dropped Dex/Jar 1 TTPs 3 IoCs
Runs executable file dropped to the device during analysis.
ioc pid Process /data/user/0/com.amext24_safety/app_inner/nqLGjtR.json 4256 /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.amext24_safety/app_inner/nqLGjtR.json --output-vdex-fd=41 --oat-fd=42 --oat-location=/data/user/0/com.amext24_safety/app_inner/oat/x86/nqLGjtR.odex --compiler-filter=quicken --class-loader-context=& /data/user/0/com.amext24_safety/app_inner/nqLGjtR.json 4227 com.amext24_safety Anonymous-DexFile@0xd40b9000-0xd413c698 4227 com.amext24_safety -
Makes use of the framework's Accessibility service 4 TTPs 2 IoCs
Retrieves information displayed on the phone screen using AccessibilityService.
description ioc Process Framework service call android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfoByAccessibilityId com.amext24_safety Framework service call android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfosByViewId com.amext24_safety -
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
description ioc Process Framework service call android.os.IPowerManager.acquireWakeLock com.amext24_safety -
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.
description ioc Process Framework service call android.app.IActivityManager.setServiceForeground com.amext24_safety -
Queries the mobile country code (MCC) 1 TTPs 1 IoCs
description ioc Process Framework service call com.android.internal.telephony.ITelephony.getNetworkCountryIsoForPhone com.amext24_safety -
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
description ioc Process Intent action android.settings.REQUEST_IGNORE_BATTERY_OPTIMIZATIONS com.amext24_safety -
Registers a broadcast receiver at runtime (usually for listening for system events) 1 TTPs 1 IoCs
description ioc Process Framework service call android.app.IActivityManager.registerReceiver com.amext24_safety -
Uses Crypto APIs (Might try to encrypt user data) 1 TTPs 1 IoCs
description ioc Process Framework API call javax.crypto.Cipher.doFinal com.amext24_safety -
Checks CPU information 2 TTPs 1 IoCs
description ioc Process File opened for read /proc/cpuinfo com.amext24_safety -
Checks memory information 2 TTPs 1 IoCs
description ioc Process File opened for read /proc/meminfo com.amext24_safety
Processes
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com.amext24_safety1⤵
- 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
PID:4227 -
/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.amext24_safety/app_inner/nqLGjtR.json --output-vdex-fd=41 --oat-fd=42 --oat-location=/data/user/0/com.amext24_safety/app_inner/oat/x86/nqLGjtR.odex --compiler-filter=quicken --class-loader-context=&2⤵
- Loads dropped Dex/Jar
PID:4256
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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
2System Checks
2Discovery
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
998B
MD5078373286d34143649a5f1596e9f9253
SHA1c3e7fb12d125d4072fae7b33e1285b036b20361d
SHA256479010919255918f3bd2d6a0f6b232f73cec6a381e128ca84ca73e114855c287
SHA512ec9b47d9b6e5cd6f4fa2127f90fa723242e45702467a28eccf5670639c408f537eb6de2883fb4827b4625625cc4d4aa6ddbfdd21c5e4945ea8180540b66410ee
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Filesize
998B
MD5c24a461c665f08d50e675bc3df33e1a8
SHA172e341e192a6a1c03bbd559c75f2af19b1f3eec0
SHA2560df369ffa733835b301f217c4bbd98108aa03e3d84f34d9c7679fc17e2e2a855
SHA512dcd76452c5d1362ac857165eceefac13b285724d6623c66ce331f42ffa38e2788e0b7ebf7137f590ddf118d86a727933588c13ba96931d8d553ede7b73c9ead5
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Filesize
307KB
MD54e73947cabb5db3f92ca85004981b754
SHA16d9667fdb0280ed2dcb782b4683e422a51bdc601
SHA2566db94232e756b90ed437f1bc87dc38cf20fb2e7c7a19a5e40c6c17254b7e234c
SHA512be8b500a7070af1dfb53b0cf1a7b327dadc4e163a6dad905496ac228c58cd1ed87b054533917924455d35e9b300683ae33e1bcdd91935a5dbae1d693c3e13d69
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Filesize
1KB
MD5a48715f3c780364a3f238f6d6a6ba10f
SHA19925da9b8efa476d11b908697660cb5082bf4ac1
SHA256e7783737fa6454bcd4854d1554250437d3e9dcd92e3cbe4ea39e44dfdf3dbd8d
SHA5126dbd9d4998a3f2f181b3cfc94b132393f3b8b12b634b4e329b3ea503574b64f3ef5c3a2f4d23ae976f16076aa8b596ec598c38728a3dde0d640dab33a41d9e3e
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Filesize
1KB
MD574b3dea61a64f592e04ebe63b4a82a0c
SHA1c6039497c39a7f9a615c504117996223e685a9cc
SHA256ea533f958607e5e2afcb0bc109a25b1bf691a4aacec72856b7e622d149893bd7
SHA512a0aa0839072bbf17b51e63a6be32f9b6a255a0456cd549caf5c17618eb25457cef8ca7fb4c2f43bfc69cb5aabffdd3bd731783b00814537b802d34becf73af29
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Filesize
525KB
MD56c386d4f26aadee9be5d6c1305595703
SHA1efd2a10e2e8f0ef85e704fe1a685193ae42f7b4f
SHA256b9e345e3860fbf6ebb5d9787cd0573c97f7217117732eda32b8d68ed4b95b66f
SHA51207b183bb7534142c0bb735c0479eb32c10965656448a083124758448992e94ab00637b4e36cf6146e043643703f253a329f95480f62ec002ae3c8b17bf3fbb93