Analysis
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max time kernel
138s -
max time network
131s -
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
18-12-2024 22:06
Static task
static1
Behavioral task
behavioral1
Sample
aed9c5ae746d7c30c0bb0b0097dfc0d5c906c73f2943f0059897092ec5fa028d.apk
Resource
android-x86-arm-20240624-en
Behavioral task
behavioral2
Sample
aed9c5ae746d7c30c0bb0b0097dfc0d5c906c73f2943f0059897092ec5fa028d.apk
Resource
android-x64-arm64-20240624-en
General
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Target
aed9c5ae746d7c30c0bb0b0097dfc0d5c906c73f2943f0059897092ec5fa028d.apk
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Size
4.8MB
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MD5
3e32b0fd2ab6395720f158f86402cbfb
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SHA1
46a53a477d4e6dbf01951b4d481cd0b20e2446ca
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SHA256
aed9c5ae746d7c30c0bb0b0097dfc0d5c906c73f2943f0059897092ec5fa028d
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SHA512
d06dd5ebc49f834568b36aef45b40543e25b9a368ce1b3ec320190c7581c3c1500286b448feb69cae52d0e447bf131a73848c85d1d8e4b904eb68dd47f861f15
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SSDEEP
49152:+eRsEXm98TXcKbUj7y45iS7xrGzrEi068jVKSc8gIvp2sq5bPp2LPrx0:5Rs3MXciUj7j5iSRG16VKsxqZPsx0
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/4315-0.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@0xc96f8000-0xc977ba64 4315 com.explorer_remindero8 -
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.explorer_remindero8 Framework service call android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfosByViewId com.explorer_remindero8 -
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.explorer_remindero8 -
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.explorer_remindero8 -
Queries the mobile country code (MCC) 1 TTPs 1 IoCs
description ioc Process Framework service call com.android.internal.telephony.ITelephony.getNetworkCountryIsoForPhone com.explorer_remindero8 -
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.explorer_remindero8 -
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.explorer_remindero8 -
Uses Crypto APIs (Might try to encrypt user data) 1 TTPs 1 IoCs
description ioc Process Framework API call javax.crypto.Cipher.doFinal com.explorer_remindero8 -
Checks CPU information 2 TTPs 1 IoCs
description ioc Process File opened for read /proc/cpuinfo com.explorer_remindero8 -
Checks memory information 2 TTPs 1 IoCs
description ioc Process File opened for read /proc/meminfo com.explorer_remindero8
Processes
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com.explorer_remindero81⤵
- 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:4315
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
MD5cc106208b1ae516bfe8d1901e61d422b
SHA1f86ffaa94e12eec8445485e71422580b3c01e9eb
SHA256e4e2e2a7ea53ef58fc86d2a1ec5e41c36f8b75fde8569811ec50478b358aeb97
SHA51278f4c5e0bb76ebe156ad524209956332741d99d33fd5b6fc8f426efab0a6c8c00ee5746b13a156c474b2ee1026556d70a2b136bc31361797c24912492f3c5b97