Analysis
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max time kernel
24s -
max time network
32s -
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
16-12-2024 03:11
Static task
static1
Behavioral task
behavioral1
Sample
ae6bacc26b84fd7a8784db154ead9de9f6a310ac8520bfa70ecef886a26dd199.apk
Resource
android-x86-arm-20240910-en
General
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Target
ae6bacc26b84fd7a8784db154ead9de9f6a310ac8520bfa70ecef886a26dd199.apk
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Size
4.8MB
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MD5
55d0d7637a39185ef1edb6cbd66120c1
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SHA1
e152e69687d847a9f58b3184f98845046fed674e
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SHA256
ae6bacc26b84fd7a8784db154ead9de9f6a310ac8520bfa70ecef886a26dd199
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SHA512
e9b0c2e81cd435bffdecac14d681715b3ec52c25d98d4c9875fd93d27b94571ff47783b3b3f2d599e105385a70101ea66821dc0f8e4566dd458754f984d5f90f
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SSDEEP
49152:NRsEX/3ArKrKj7/45iS7xrGp9DHVsdjVKSc2+JVOFHYmj61cZW:NRs0QrSKj7A5iSRGCVVKnIYIW
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/4402-0.dex family_octo -
Loads dropped Dex/Jar 1 TTPs 1 IoCs
Runs executable file dropped to the device during analysis.
ioc pid Process Anonymous-DexFile@0xd4778000-0xd47fba88 4402 com.gsignin73automationstory -
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.gsignin73automationstory Framework service call android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfosByViewId com.gsignin73automationstory -
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.gsignin73automationstory -
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.gsignin73automationstory -
Queries the mobile country code (MCC) 1 TTPs 1 IoCs
description ioc Process Framework service call com.android.internal.telephony.ITelephony.getNetworkCountryIsoForPhone com.gsignin73automationstory -
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.gsignin73automationstory -
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.gsignin73automationstory -
Uses Crypto APIs (Might try to encrypt user data) 1 TTPs 1 IoCs
description ioc Process Framework API call javax.crypto.Cipher.doFinal com.gsignin73automationstory -
Checks CPU information 2 TTPs 1 IoCs
description ioc Process File opened for read /proc/cpuinfo com.gsignin73automationstory -
Checks memory information 2 TTPs 1 IoCs
description ioc Process File opened for read /proc/meminfo com.gsignin73automationstory
Processes
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com.gsignin73automationstory1⤵
- 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:4402
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
307KB
MD54e73947cabb5db3f92ca85004981b754
SHA16d9667fdb0280ed2dcb782b4683e422a51bdc601
SHA2566db94232e756b90ed437f1bc87dc38cf20fb2e7c7a19a5e40c6c17254b7e234c
SHA512be8b500a7070af1dfb53b0cf1a7b327dadc4e163a6dad905496ac228c58cd1ed87b054533917924455d35e9b300683ae33e1bcdd91935a5dbae1d693c3e13d69
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Filesize
526KB
MD59c31699b5139a9c645959a9c6efb8eb6
SHA13e06defca9164dcd15b76ef8838f1f27a6bedc20
SHA2562f562095ee046334a85e6931eed80b8a02214d2e236b21857067bd27ddab5c2f
SHA51217c9055fd6788dc34d83ebf340ba739a2680f062f3861078680e0236a1f5b5e53599908ed38a1f2f1e305a93acfb7f2dab1ad9d651244daf82781948fa0f5ca3