Analysis
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max time kernel
59s -
max time network
125s -
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
06-12-2024 22:00
Static task
static1
Behavioral task
behavioral1
Sample
8cb35c195acdf3689e4202005cf41f0e2998a78566d8099bd969fd32a3142a81.apk
Resource
android-x86-arm-20240624-en
Behavioral task
behavioral2
Sample
8cb35c195acdf3689e4202005cf41f0e2998a78566d8099bd969fd32a3142a81.apk
Resource
android-x64-20240624-en
General
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Target
8cb35c195acdf3689e4202005cf41f0e2998a78566d8099bd969fd32a3142a81.apk
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Size
2.4MB
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MD5
4272adef499e212d2f4ebbe5efb5d765
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SHA1
bef4ec5b7bf9da046a5d0dbb473cec043afd65a5
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SHA256
8cb35c195acdf3689e4202005cf41f0e2998a78566d8099bd969fd32a3142a81
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SHA512
37f5602f3856a8650c20a45b5a5a524a43f0fa1ad388573fe6a950cc3e1c7a485c1b05ad55a028fd500d0f09d21aa9672c27540562ac6351565e78166da3dea4
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SSDEEP
49152:zr8RNJY1c8CR26Wn5C+OKMyDSk7dXehG3SFh0u0Pxfz/I17tLhY/:k21dCR21n9OKMyuAktvJ0PxfMVo/
Malware Config
Extracted
octo
https://62237453981d0595033c23.com/N2IzYzFlOTM3MWU3/
https://35237453981d0595033c23.com/N2IzYzFlOTM3MWU3/
https://332137453981d0595033c23.com/N2IzYzFlOTM3MWU3/
https://34437453981d0595033c23.com/N2IzYzFlOTM3MWU3/
https://3637453981d0595033c23.com/N2IzYzFlOTM3MWU3/
https://8237453981d0595033c23.com/N2IzYzFlOTM3MWU3/
https://62333981d0595033c23.com/N2IzYzFlOTM3MWU3/
https://6255553981d0595033c23.com/N2IzYzFlOTM3MWU3/
Extracted
octo
https://62237453981d0595033c23.com/N2IzYzFlOTM3MWU3/
https://35237453981d0595033c23.com/N2IzYzFlOTM3MWU3/
https://332137453981d0595033c23.com/N2IzYzFlOTM3MWU3/
https://34437453981d0595033c23.com/N2IzYzFlOTM3MWU3/
https://3637453981d0595033c23.com/N2IzYzFlOTM3MWU3/
https://8237453981d0595033c23.com/N2IzYzFlOTM3MWU3/
https://62333981d0595033c23.com/N2IzYzFlOTM3MWU3/
https://6255553981d0595033c23.com/N2IzYzFlOTM3MWU3/
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/files/fstream-1.dat family_octo -
Loads dropped Dex/Jar 1 TTPs 2 IoCs
Runs executable file dropped to the device during analysis.
ioc pid Process /data/user/0/com.warmtalkpd/cache/ectgzzrqshlayxm 4259 com.warmtalkpd /data/user/0/com.warmtalkpd/cache/ectgzzrqshlayxm 4259 com.warmtalkpd -
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.warmtalkpd Framework service call android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfoByAccessibilityId com.warmtalkpd -
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.warmtalkpd -
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.warmtalkpd -
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.warmtalkpd android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction com.warmtalkpd android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction com.warmtalkpd android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction com.warmtalkpd -
Queries the mobile country code (MCC) 1 TTPs 1 IoCs
description ioc Process Framework service call com.android.internal.telephony.ITelephony.getNetworkCountryIsoForPhone com.warmtalkpd -
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
description ioc Process Intent action android.settings.ACTION_NOTIFICATION_LISTENER_SETTINGS com.warmtalkpd -
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.warmtalkpd -
Requests modifying system settings. 1 IoCs
description ioc Process Intent action android.settings.action.MANAGE_WRITE_SETTINGS com.warmtalkpd -
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.warmtalkpd -
Uses Crypto APIs (Might try to encrypt user data) 1 TTPs 1 IoCs
description ioc Process Framework API call javax.crypto.Cipher.doFinal com.warmtalkpd
Processes
-
com.warmtalkpd1⤵
- 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)
PID:4259
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
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
4Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
2.3MB
MD598a650eacf2c35322b2c8098d19304e7
SHA1db38072197af970e5cb6c85ed1a89f8eb1a5088f
SHA2564a8510dfc027aa1e8773414311fd394dcf51d96ad125e6fe165647e2b0935e03
SHA5129053946e8230de8c996ebdcc40ae6a5a4fc48125b0707033c854800ca8100a66348b7dd8c0601ecc9a405c2438e41ac13a2d8ee56fc005c3499bf42ebacccf52
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Filesize
526B
MD56ecf0dd900258ef97246e8d491d7fc97
SHA1e390963d15468154f31f2a660ce9400d88a80de4
SHA2562e8792fb0c934cf2cacce17aa7c3235e93144a76e7b271b932508c8e4dd3a19f
SHA512a61d8f8c2d541c2c56fa5a2ed328425437f44d9ab458c6395dc2aba01ab83748b54e4bd07025ac0777c8a5625368e9244f1b2b53766090a6de0f9291fd0ba992