Analysis
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max time kernel
178s -
max time network
187s -
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
10-07-2024 22:00
Static task
static1
Behavioral task
behavioral1
Sample
bea3f6dd90868f3739c8529f223358917e0331d6f3610a77d25d12eac0c741f6.apk
Resource
android-x86-arm-20240624-en
Behavioral task
behavioral2
Sample
bea3f6dd90868f3739c8529f223358917e0331d6f3610a77d25d12eac0c741f6.apk
Resource
android-33-x64-arm64-20240624-en
General
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Target
bea3f6dd90868f3739c8529f223358917e0331d6f3610a77d25d12eac0c741f6.apk
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Size
509KB
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MD5
4e79e588e46e16a91038dc25c504112a
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SHA1
45287b63ec508305e12a36a8439e834b94aca1ce
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SHA256
bea3f6dd90868f3739c8529f223358917e0331d6f3610a77d25d12eac0c741f6
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SHA512
cb9f836d66d139c3114856195a7ae0847a21b7d3491e9c15f580cd1580a553918687168a8e029143c31225498b536473eab6b41bcd96b9d172810b84eee672ec
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SSDEEP
12288:9Y5shxXUwJvVrRj9dgyUbKmQE9Ejcdfdq7dbz7UD5o5CinF:9UeXJZdkKmDEjcK7xID5o51nF
Malware Config
Extracted
octo
https://kesmecekarpuz.site/NGE2Y2RjYjdmYjg3/
https://kesmecekarpuz.com/NGE2Y2RjYjdmYjg3/
https://kesmecekarpuz145.com/NGE2Y2RjYjdmYjg3/
https://kesmecekarpuz878.com/NGE2Y2RjYjdmYjg3/
https://kesmecekarpuz5446.com/NGE2Y2RjYjdmYjg3/
https://kesmecekarpuz8455.com/NGE2Y2RjYjdmYjg3/
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 payload 1 IoCs
Processes:
resource yara_rule /data/data/com.stepstreetmmsa/cache/uqgxmogzjfmjdj family_octo -
Loads dropped Dex/Jar 1 TTPs 2 IoCs
Runs executable file dropped to the device during analysis.
Processes:
com.stepstreetmmsaioc pid process /data/user/0/com.stepstreetmmsa/cache/uqgxmogzjfmjdj 4227 com.stepstreetmmsa /data/user/0/com.stepstreetmmsa/cache/uqgxmogzjfmjdj 4227 com.stepstreetmmsa -
Makes use of the framework's Accessibility service 4 TTPs 2 IoCs
Retrieves information displayed on the phone screen using AccessibilityService.
Processes:
com.stepstreetmmsadescription ioc process Framework service call android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfoByAccessibilityId com.stepstreetmmsa Framework service call android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfosByViewId com.stepstreetmmsa -
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
Processes:
com.stepstreetmmsadescription ioc process Framework service call android.os.IPowerManager.acquireWakeLock com.stepstreetmmsa -
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.
Processes:
com.stepstreetmmsadescription ioc process Framework service call android.app.IActivityManager.setServiceForeground com.stepstreetmmsa -
Performs UI accessibility actions on behalf of the user 1 TTPs 4 IoCs
Application may abuse the accessibility service to prevent their removal.
Processes:
com.stepstreetmmsaioc process android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction com.stepstreetmmsa android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction com.stepstreetmmsa android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction com.stepstreetmmsa android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction com.stepstreetmmsa -
Queries the mobile country code (MCC) 1 TTPs 1 IoCs
Processes:
com.stepstreetmmsadescription ioc process Framework service call com.android.internal.telephony.ITelephony.getNetworkCountryIsoForPhone com.stepstreetmmsa -
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 accessing notifications (often used to intercept notifications before users become aware). 1 TTPs 1 IoCs
Processes:
com.stepstreetmmsadescription ioc process Intent action android.settings.ACTION_NOTIFICATION_LISTENER_SETTINGS com.stepstreetmmsa -
Requests disabling of battery optimizations (often used to enable hiding in the background). 1 TTPs 1 IoCs
Processes:
com.stepstreetmmsadescription ioc process Intent action android.settings.REQUEST_IGNORE_BATTERY_OPTIMIZATIONS com.stepstreetmmsa -
Requests modifying system settings. 1 IoCs
Processes:
com.stepstreetmmsadescription ioc process Intent action android.settings.action.MANAGE_WRITE_SETTINGS com.stepstreetmmsa -
Registers a broadcast receiver at runtime (usually for listening for system events) 1 TTPs 1 IoCs
Processes:
com.stepstreetmmsadescription ioc process Framework service call android.app.IActivityManager.registerReceiver com.stepstreetmmsa -
Uses Crypto APIs (Might try to encrypt user data) 1 TTPs 1 IoCs
Processes:
com.stepstreetmmsadescription ioc process Framework API call javax.crypto.Cipher.doFinal com.stepstreetmmsa
Processes
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com.stepstreetmmsa1⤵
- Removes its main activity from the application launcher
- 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
- Performs UI accessibility actions on behalf of the user
- Queries the mobile country code (MCC)
- Requests accessing notifications (often used to intercept notifications before users become aware).
- Requests disabling of battery optimizations (often used to enable hiding in the background).
- Requests modifying system settings.
- Registers a broadcast receiver at runtime (usually for listening for system events)
- Uses Crypto APIs (Might try to encrypt user data)
Network
MITRE ATT&CK Matrix
Replay Monitor
Loading Replay Monitor...
Downloads
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/data/data/com.stepstreetmmsa/cache/oat/uqgxmogzjfmjdj.cur.profFilesize
472B
MD5985439d1afc8c4052049269f01a7a59e
SHA17e06efa630786b5a8313f9b08022ac6feb13fdba
SHA256282a892f2ef8d9620b32bf3823efb10431424f46bae28abbac717a42ffbd46f1
SHA512f8884baed2a985e732534a19f97af5b37bae50b68199a03cf6a56ae6f7325fb9db7f14d7ae6fa028026947b5afb3574d68ba4f7e3e07f03db32dd31cc9e7d266
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/data/data/com.stepstreetmmsa/cache/uqgxmogzjfmjdjFilesize
448KB
MD509952f1ecada924bdd9b32812410f374
SHA17e25673c1dcb522ef3efefe5d833528956ff5350
SHA2561777fbd9529d3c45dfb96a48377f97d9b7ef42a7152db61caad36ffff6db0bcb
SHA5129809c9dae36e6f6b5acda377a735216e5bc43d733a7b7222adc875cb8270c9dfd66dedfee0f095e190ba78a042593808cf64c7f2207c1cd37e187b681506e1bb