Analysis
- max time kernel
179s - max time network
188s - platform
android_x64 - resource
android-33-x64-arm64-20240624-en - resource tags
androidarch:arm64arch:x64image:android-33-x64-arm64-20240624-enlocale:en-usos:android-13-x64system - 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
- Target bea3f6dd90868f3739c8529f223358917e0331d6f3610a77d25d12eac0c741f6.apk
- Size 509KB
- Sample240710-1w1mgavcmd
- SHA256 bea3f6dd90868f3739c8529f223358917e0331d6f3610a77d25d12eac0c741f6
- MD5 4e79e588e46e16a91038dc25c504112a
- SHA1 45287b63ec508305e12a36a8439e834b94aca1ce
- SHA512 cb9f836d66d139c3114856195a7ae0847a21b7d3491e9c15f580cd1580a553918687168a8e029143c31225498b536473eab6b41bcd96b9d172810b84eee672ec
- SSDEEP 12288:9Y5shxXUwJvVrRj9dgyUbKmQE9Ejcdfdq7dbz7UD5o5CinF:9UeXJZdkKmDEjcK7xID5o51nF
- MD5 SHA1 SHA512 SSDEEP
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
- Octo
Octo is a banking malware with remote access capabilities first seen in April 2022.
- Octo payload 1 IoCs
resource yara_rule behavioral2/files/fstream-1.dat family_octo - Loads dropped Dex/Jar 1 TTPs 1 IoCs
Runs executable file dropped to the device during analysis.
ioc pid Process /data/user/0/com.stepstreetmmsa/cache/uqgxmogzjfmjdj 4326 com.stepstreetmmsa - 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.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
- Queries the phone number (MSISDN for GSM devices) 1 TTPs
- Acquires the wake lock 1 IoCs
description 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.
description 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.
ioc 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
description ioc Process Framework service call com.android.internal.telephony.ITelephony.getNetworkCountryIsoForPhone com.stepstreetmmsa - Reads information about phone network operator. 1 TTPs
- Requests accessing notifications (often used to intercept notifications before users become aware). 1 TTPs 1 IoCs
description 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
description ioc Process Intent action android.settings.REQUEST_IGNORE_BATTERY_OPTIMIZATIONS com.stepstreetmmsa - Requests modifying system settings. 1 IoCs
description ioc Process Intent action android.settings.action.MANAGE_WRITE_SETTINGS com.stepstreetmmsa - Uses Crypto APIs (Might try to encrypt user data) 1 TTPs 1 IoCs
description ioc Process Framework API call javax.crypto.Cipher.doFinal com.stepstreetmmsa
Processes
-
com.stepstreetmmsa1⤵
- 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.
- Uses Crypto APIs (Might try to encrypt user data)
PID:4326
Network
MITRE ATT&CK Mobile v15
Defense Evasion
Download New Code at Runtime
1Foreground Persistence
1Hide Artifacts
1User Evasion
1Impair Defenses
1Prevent Application Removal
1Input Injection
1Credential Access
Access Notifications
1Input Capture
2GUI Input Capture
1Keylogging
1Discovery
Software Discovery
1Security Software Discovery
1System Network Configuration Discovery
3Replay Monitor
Loading Replay Monitor...
Downloads
- Path /data/data/com.stepstreetmmsa/cache/oat/uqgxmogzjfmjdj.cur.prof
- Size 390B
- SHA256 fa4ef89775e0ebf4d9466df53ebfef9e47254f0774308480730cdb49b1adeeff
- MD5 249882a9843a5215d633ae557d392ba3
- SHA1 e8ed899b7248c2918fabbcc33401153b1b16d6f8
- SHA512 5562d167ecd8d7e35bc929ac30e523e705ddbe8e2b32fa8885b8ec4b3a5451d94cd1bae7949b154b1aa52ba4c525e97db5f948e8c63fb0ad01a53c9a963cff41
- MD5 SHA1 SHA512
- Path /data/data/com.stepstreetmmsa/cache/uqgxmogzjfmjdj
- Size 448KB
- SHA256 1777fbd9529d3c45dfb96a48377f97d9b7ef42a7152db61caad36ffff6db0bcb
- MD5 09952f1ecada924bdd9b32812410f374
- SHA1 7e25673c1dcb522ef3efefe5d833528956ff5350
- SHA512 9809c9dae36e6f6b5acda377a735216e5bc43d733a7b7222adc875cb8270c9dfd66dedfee0f095e190ba78a042593808cf64c7f2207c1cd37e187b681506e1bb
- SSDEEP 12288:RO2NOxY4GLuI/q9zX12RLPpP+FCrE1pKpDNEQGfW9e4yaTwbi7UOs3N2p52+gvfy:2r9Gp52tfU3Kkhiqd
- MD5 SHA1 SHA512 SSDEEP