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Analysis
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max time kernel
149s -
max time network
152s -
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
08/02/2025, 14:19
Static task
static1
Behavioral task
behavioral1
Sample
bc6e1a73941828b3cd3dd565aba5bf0bf62b177c28a477c4606e4178dbbbc35f.apk
Resource
android-x86-arm-20240624-en
Behavioral task
behavioral2
Sample
bc6e1a73941828b3cd3dd565aba5bf0bf62b177c28a477c4606e4178dbbbc35f.apk
Resource
android-33-x64-arm64-20240910-en
General
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Target
bc6e1a73941828b3cd3dd565aba5bf0bf62b177c28a477c4606e4178dbbbc35f.apk
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Size
8.2MB
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MD5
04d851bd51056d465c8fecffa00c8db2
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SHA1
5606bec9482d5dd08368353973334585bef40974
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SHA256
bc6e1a73941828b3cd3dd565aba5bf0bf62b177c28a477c4606e4178dbbbc35f
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SHA512
96298691799ad7adf244a22d2af34b722479f03a8e6483c868e078565a1cfcd1bb3d21f65341e9bb3f47d5f9ab336bf5f4ba5f27294d70fe24cdafb248d288f3
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SSDEEP
98304:FIKgOhLAEBqjvgtel1KrFyFWVKybqAj7aRs7QUN5iSRGn0xW:0OhV8j6HU0Fj7aR/UNre
Malware Config
Extracted
octo
https://2a88253511735028fea71e75917fb77d.shop
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/4244-1.dex family_octo -
Checks Android system properties for emulator presence. 1 TTPs 1 IoCs
description ioc Process Accessed system property key: ro.product.model com.story_extraaj3 -
Loads dropped Dex/Jar 1 TTPs 3 IoCs
Runs executable file dropped to the device during analysis.
ioc pid Process /data/user/0/com.story_extraaj3/app_view/iFxP.json 4269 /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.story_extraaj3/app_view/iFxP.json --output-vdex-fd=41 --oat-fd=42 --oat-location=/data/user/0/com.story_extraaj3/app_view/oat/x86/iFxP.odex --compiler-filter=quicken --class-loader-context=& /data/user/0/com.story_extraaj3/app_view/iFxP.json 4244 com.story_extraaj3 Anonymous-DexFile@0xd3df8000-0xd3e7b69c 4244 com.story_extraaj3 -
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.story_extraaj3 Framework service call android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfosByViewId com.story_extraaj3 -
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.story_extraaj3 -
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.story_extraaj3 -
Queries the mobile country code (MCC) 1 TTPs 1 IoCs
description ioc Process Framework service call com.android.internal.telephony.ITelephony.getNetworkCountryIsoForPhone com.story_extraaj3 -
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.story_extraaj3 -
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.story_extraaj3 -
Uses Crypto APIs (Might try to encrypt user data) 1 TTPs 1 IoCs
description ioc Process Framework API call javax.crypto.Cipher.doFinal com.story_extraaj3 -
Checks CPU information 2 TTPs 1 IoCs
description ioc Process File opened for read /proc/cpuinfo com.story_extraaj3 -
Checks memory information 2 TTPs 1 IoCs
description ioc Process File opened for read /proc/meminfo com.story_extraaj3
Processes
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com.story_extraaj31⤵
- 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
PID:4244 -
/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.story_extraaj3/app_view/iFxP.json --output-vdex-fd=41 --oat-fd=42 --oat-location=/data/user/0/com.story_extraaj3/app_view/oat/x86/iFxP.odex --compiler-filter=quicken --class-loader-context=&2⤵
- Loads dropped Dex/Jar
PID:4269
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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
1010B
MD591db85d117601bb842f9012a141debc2
SHA162ac73b10c5c1d527ece841df8eed19f8d03ed8e
SHA2569882ca34e3c1180eb7f40b19f65ce0307d34c0ae73589fed18325a50f14f1c6a
SHA51233e64f828f76adf5dbbfd51a5539e6737603612f8d0781ebe8e33ff39cd094539fc42cc4ef5bcbc36f855e4d7b8ec9901b63b07e50ea47527cabeab24c41247d
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Filesize
1010B
MD57c08dcda940871e73e836b9f42b93830
SHA1bfbdbc2a7cee88f3c39270f44db41629d2ce9f9e
SHA25664ef637b7df870f89716c1e583a64f75021411019b34cf26022a55a21f01b8b5
SHA51204ffefd7a55351b3fa6266fefef5501edd98a74739350dbd5d8fb9c5baf0faf05812986154998ddd3b915acf797978a981bc42aef25e88381544f67250b20a5d
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Filesize
307KB
MD54e73947cabb5db3f92ca85004981b754
SHA16d9667fdb0280ed2dcb782b4683e422a51bdc601
SHA2566db94232e756b90ed437f1bc87dc38cf20fb2e7c7a19a5e40c6c17254b7e234c
SHA512be8b500a7070af1dfb53b0cf1a7b327dadc4e163a6dad905496ac228c58cd1ed87b054533917924455d35e9b300683ae33e1bcdd91935a5dbae1d693c3e13d69
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Filesize
1KB
MD5e126d4cdb7ac4597bef89c5d6bc1d623
SHA13e02f774d2666c30b152d663395a526ee8893e84
SHA256425b6e49fa031cfdbc8b9f5786013c5bf6b31f0bb266ab838c76287691e80d3d
SHA512740afef100af721e611f459da044295c9632f2e155b57c2eadcc3b54ba7a3d1162cd431dfcf289dee5c2b2d98db2927448ad25334dfea328a600905d47028309
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Filesize
1KB
MD579cf6457fe307d604361e5e10ed59680
SHA107e5dd5ccaf1e3a92c96d25df41961bdd3ecae84
SHA25619d22d03e814c2c810ee07c244e98e98d7c289403037394b9e6b2b52e6ef4f52
SHA5126480b872edee12aa39f7aacb10b12a96a42d75b78aafc054cf0c730a03c34fb80f59c77f294eb0df3648387287dcf1198a6aa284e97ec5fe031f41ea7ddbfc79
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Filesize
525KB
MD54d427cc543fe7535f96d9c677ad65526
SHA10c0c0c879c5fc9d5757f32676a3e51e84455b141
SHA25669462ad628d9ef816d68c260ae0ea91ab10e12b25232eef34a347dbd613c4497
SHA512537bc3e276fb56a2db1921915bfddfa90c06725972d6f472e453c7f063f944710b5aca2816d46085424c482a1b9dd4ff451c35b3f634bbaa58aeeddd8b40e8af