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Analysis
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max time kernel
24s -
max time network
28s -
platform
android-9_x86 -
resource
android-x86-arm-20240910-en -
resource tags
arch:armarch:x86image:android-x86-arm-20240910-enlocale:en-usos:android-9-x86system -
submitted
11/01/2025, 16:44
Static task
static1
Behavioral task
behavioral1
Sample
2680e0e65fdd8c26eec70f1860ca166a1232b1e4a36b7a256b9fb5130af21e85.apk
Resource
android-x86-arm-20240910-en
General
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Target
2680e0e65fdd8c26eec70f1860ca166a1232b1e4a36b7a256b9fb5130af21e85.apk
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Size
7.2MB
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MD5
9df85db16c12716a63bcb58b704cac26
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SHA1
3e61f7cc8e05f3b03cdaa21d9d2798f7efbcd9ea
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SHA256
2680e0e65fdd8c26eec70f1860ca166a1232b1e4a36b7a256b9fb5130af21e85
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SHA512
2cd4d771fe9df6ef0e113cda93a38be13ee3c4e4768fc498e3057416b1463b02151f41d91a148c5119451cd7430fc0e776eb6b58f165fa24de49ed6b04989a8f
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SSDEEP
98304:8h44r5i5O975iSRGVTVKHhQP0jjOx3XyRsZjLFmQY6KeoJ:a1ik97rsUU0jj83XyRE21
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/4337-1.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.lduser_billing11/app_amateur/RbW.json 4362 /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.lduser_billing11/app_amateur/RbW.json --output-vdex-fd=41 --oat-fd=42 --oat-location=/data/user/0/com.lduser_billing11/app_amateur/oat/x86/RbW.odex --compiler-filter=quicken --class-loader-context=& /data/user/0/com.lduser_billing11/app_amateur/RbW.json 4337 com.lduser_billing11 Anonymous-DexFile@0xc6df8000-0xc6e7b840 4337 com.lduser_billing11 -
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.findAccessibilityNodeInfosByViewId com.lduser_billing11 Framework service call android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfoByAccessibilityId com.lduser_billing11 -
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.lduser_billing11 -
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.lduser_billing11 -
Queries the mobile country code (MCC) 1 TTPs 1 IoCs
description ioc Process Framework service call com.android.internal.telephony.ITelephony.getNetworkCountryIsoForPhone com.lduser_billing11 -
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.lduser_billing11 -
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.lduser_billing11 -
Uses Crypto APIs (Might try to encrypt user data) 1 TTPs 1 IoCs
description ioc Process Framework API call javax.crypto.Cipher.doFinal com.lduser_billing11 -
Checks CPU information 2 TTPs 1 IoCs
description ioc Process File opened for read /proc/cpuinfo com.lduser_billing11 -
Checks memory information 2 TTPs 1 IoCs
description ioc Process File opened for read /proc/meminfo com.lduser_billing11
Processes
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com.lduser_billing111⤵
- 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:4337 -
/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.lduser_billing11/app_amateur/RbW.json --output-vdex-fd=41 --oat-fd=42 --oat-location=/data/user/0/com.lduser_billing11/app_amateur/oat/x86/RbW.odex --compiler-filter=quicken --class-loader-context=&2⤵
- Loads dropped Dex/Jar
PID:4362
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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
1009B
MD5a95ec2caed3592c6168f8d833be9a75a
SHA1768d265ad0bead042bb71a3f29904cf15a752e9e
SHA25657167e1903a158e4a392779313976447297252bd7baddd4923abbd5f8bf4cc9b
SHA512bcbb9909edbad3c7013f28e80ff3577ad4d64dbc1149d163ce15f4658161f97ac42a4ac5e4898e857a71c247baabadc0b77b074e565402ec66f67c51dd90c147
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Filesize
1009B
MD59dc99e4f861da4d5c0b0f358a10e4e8c
SHA1bc76923a5e0d640011e07f77f54e810b9eed401d
SHA2569023f93a0460b134dd4a775fb18ea0b06a467debaf2c2b0b5c3c5366ab343451
SHA5127b25a9c865604f3bc24a2af50751e2444065c180290f7cebad065c252f1e122f656ca36e1afe849223d5879545822773ecf023413c2b8cb70db3eda8594a5f3e
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Filesize
307KB
MD54e73947cabb5db3f92ca85004981b754
SHA16d9667fdb0280ed2dcb782b4683e422a51bdc601
SHA2566db94232e756b90ed437f1bc87dc38cf20fb2e7c7a19a5e40c6c17254b7e234c
SHA512be8b500a7070af1dfb53b0cf1a7b327dadc4e163a6dad905496ac228c58cd1ed87b054533917924455d35e9b300683ae33e1bcdd91935a5dbae1d693c3e13d69
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Filesize
1KB
MD5eb876313c1e89a04a99e198764914949
SHA1a05bd34a11fbb3eda491be30320ecea4abdf4cbd
SHA256537ca9ac65a2bad9987ee11aec7216de671326de550ffca576b546b9ea5709a5
SHA512f526c3433929ddb1d39d2b8ff349c6191f690700afb90134f694235caf94b094eddf069840070856d412ad187b7342dafefab3113582e3f6994c00c7d35f0503
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Filesize
1KB
MD554996ff610307c87bfd240670e94e90c
SHA1a92c2a1938057f1fee86078b3d502d8d44d195c9
SHA256df798f317e0447aafac77554e0d6cf7d824621bde77c5eae81918849dc1aef32
SHA51236f3587f67f18452bc941669bfd3c3bf757f5d979e812aab2ece1a0fba1ea19d8344881cb1b8dfcd3e9f8b942b9ad3553ee49f3932b7aa65b077744d650e64dc
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Filesize
526KB
MD5027bbe59ba7ea9159307b6c2aaaac25f
SHA1a50d3c40b3bdfcd4454050b8fef8c958a0de0cd6
SHA2566027b407ea68631566b3ace4792fd1a571db9f65bde073c466fb2fafecfa8aa2
SHA51285b09fb306a5d33be82687494f9e6a3ad27be1f0bcdea2fe6a7bb242c4118ff981aeef24ad7954729c2bc656bb987393595cad350ed7ff3d306bfb99451c56d7