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Analysis
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max time kernel
24s -
max time network
35s -
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
11/01/2025, 13:54
Static task
static1
Behavioral task
behavioral1
Sample
1fc564884062323fe43ee1c559a4a6f9aa384ad45ff0660dc2c11443290aa123.apk
Resource
android-x86-arm-20240624-en
General
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Target
1fc564884062323fe43ee1c559a4a6f9aa384ad45ff0660dc2c11443290aa123.apk
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Size
9.1MB
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MD5
8827560b5caa11234ffcec5536c663e1
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SHA1
48887a1173ff7a4a09ae89ac2a074c66141df25f
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SHA256
1fc564884062323fe43ee1c559a4a6f9aa384ad45ff0660dc2c11443290aa123
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SHA512
e85c5350689504f28de458d1f4aaa5487d2ac8073978ff5f082cae0510e7d25c6fd6c914c4b70c14359e5eca97a06fd5ff84c87c4f328ffbefff93cd2c7466d9
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SSDEEP
98304:b8Kb+3XxRsWK5iSRGz+VKe8K72qsRbBRcUA8TpR366ehvlvSTXtPkg:b/i3XxRHKrXUfKhV56ej6TXth
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/4249-1.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.tysync_font2/app_feature/hxhcqGZ.json 4276 /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.tysync_font2/app_feature/hxhcqGZ.json --output-vdex-fd=41 --oat-fd=42 --oat-location=/data/user/0/com.tysync_font2/app_feature/oat/x86/hxhcqGZ.odex --compiler-filter=quicken --class-loader-context=& /data/user/0/com.tysync_font2/app_feature/hxhcqGZ.json 4249 com.tysync_font2 Anonymous-DexFile@0xd1e78000-0xd1efb5bc 4249 com.tysync_font2 -
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.tysync_font2 Framework service call android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfosByViewId com.tysync_font2 -
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.tysync_font2 -
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.tysync_font2 -
Queries the mobile country code (MCC) 1 TTPs 1 IoCs
description ioc Process Framework service call com.android.internal.telephony.ITelephony.getNetworkCountryIsoForPhone com.tysync_font2 -
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
description ioc Process Intent action android.settings.REQUEST_IGNORE_BATTERY_OPTIMIZATIONS com.tysync_font2 -
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.tysync_font2 -
Uses Crypto APIs (Might try to encrypt user data) 1 TTPs 1 IoCs
description ioc Process Framework API call javax.crypto.Cipher.doFinal com.tysync_font2 -
Checks CPU information 2 TTPs 1 IoCs
description ioc Process File opened for read /proc/cpuinfo com.tysync_font2 -
Checks memory information 2 TTPs 1 IoCs
description ioc Process File opened for read /proc/meminfo com.tysync_font2
Processes
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com.tysync_font21⤵
- 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:4249 -
/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.tysync_font2/app_feature/hxhcqGZ.json --output-vdex-fd=41 --oat-fd=42 --oat-location=/data/user/0/com.tysync_font2/app_feature/oat/x86/hxhcqGZ.odex --compiler-filter=quicken --class-loader-context=&2⤵
- Loads dropped Dex/Jar
PID:4276
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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
3Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
48B
MD5046a414913add6f5bb60072c7db819b6
SHA1451ee4f6809260aec622d772fd329c7d0297a842
SHA256b66c1320cb063a1d391c94273572ea6edae76c8c8b0a07f8d75c88686f0df72a
SHA5124e6355f3051ed5e811ab030abde1f5be7f5e1cf33be99cd08477e9b6c015deb1d8bd75a09fb9c7176b8511c5ad0a67abc0902a3531e97564ccb6afc57496a47c
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Filesize
1007B
MD5cad5107bd3b8473c27e96ae607b89785
SHA134b9ad20af4ea359a3675d918e145cb7122197da
SHA2566fc0d082bf03111b7cfd025a39a4f5596c31e7c11e97c87f52687dffc711202b
SHA51225303af9c958b3456306773af036db83528f6ff5bf200982fc2de83a5156e5e46d35061bef7a8fda1e42560db9c9cd8cd5c47a3a947ee042e64fcf6425211737
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Filesize
1007B
MD598533723d4fb219d637cd96eecf57653
SHA1e46d3a18c10025d859a2a857eea579d99cf8baa9
SHA2563a126ae0910deef13fd9228bd012d889fa52b49fab91fb7113f2090c77f65090
SHA512d21b613670aa764d4ea3050e556eb54a9ab9298e65630d0640c542a304c10bfcb3ff2725d4d5cecc614c39bac30970af62a625e0097a225b8459f84301fb0807
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Filesize
307KB
MD54e73947cabb5db3f92ca85004981b754
SHA16d9667fdb0280ed2dcb782b4683e422a51bdc601
SHA2566db94232e756b90ed437f1bc87dc38cf20fb2e7c7a19a5e40c6c17254b7e234c
SHA512be8b500a7070af1dfb53b0cf1a7b327dadc4e163a6dad905496ac228c58cd1ed87b054533917924455d35e9b300683ae33e1bcdd91935a5dbae1d693c3e13d69
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Filesize
1KB
MD52aff92a5a81b44787d14d1aa518351d8
SHA19c85c85b82557eeeceb76273b2843ebf621c4243
SHA2561f2ad419cc4a07ab660d1cebf2035a599ee8d85b83939f9b57d4ec6c39f3fba8
SHA5124cac7b614309327ea1ea031b28f3f1ce95e132ff7c70ed3b501b77c08dac0b8fbb6dfed6b05cc1428a495ab12e27652ee9585452ee80952d49bff29e78d67e2a
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Filesize
1KB
MD5cdebf5a461d91836368a85e2cb12112c
SHA153594f9fa46d46978faa3cb6225b9c74882660ac
SHA2567e61d15e52a447482f83dc9101e4234692cddd4ab72f1448255b4d5b659dd686
SHA5122edd099c40df2bef41ab1f1b3cc500ef64d4d3ca733360fbb97baa384206e87e1b5c4d38bd19185e60b4c64d256ac982b27d325e2e401cd5362a5845e71e7fdc
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Filesize
525KB
MD5e5a96ebcf0f5a8586bc19d7f0c493bc5
SHA15b73286e04d47bb31d7ef594119b48bb0ca7d139
SHA2564dca9746c5bead5f67754840c8552ad1cdb54f62222c00e3542a8760413c1ec5
SHA512143f6ead6dc53e702a48b99571f245f2ee9e59b86f257988c12ea8c58966916abe73ee03ffd107a571ba0b5416e5f20b71abb18f8de95299c015cefaaedc1212