Analysis
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max time kernel
149s -
max time network
133s -
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
15/10/2024, 22:05
Static task
static1
Behavioral task
behavioral1
Sample
a282a58cf5458b38ba204faa3974c4e96dee4ae09f7d824167fec23593e4ae43.apk
Resource
android-x86-arm-20240910-en
Behavioral task
behavioral2
Sample
a282a58cf5458b38ba204faa3974c4e96dee4ae09f7d824167fec23593e4ae43.apk
Resource
android-x64-arm64-20240624-en
General
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Target
a282a58cf5458b38ba204faa3974c4e96dee4ae09f7d824167fec23593e4ae43.apk
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Size
509KB
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MD5
7bb8f82efb175a8b8b6628c2e0468065
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SHA1
f69c53e22cc3f012c7d5a68a89cd1f0d037e601b
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SHA256
a282a58cf5458b38ba204faa3974c4e96dee4ae09f7d824167fec23593e4ae43
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SHA512
bcc65f2ec0408b6324b1abc91a861e1a0fe2f11c01a5f99dba01c45377a520787a7af6fe8822849e94f3d9ad2933c6301faa49291981cb5e972b239662d77f47
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SSDEEP
12288:IEn/M/drAv3SHh+0q9izKSNB2NKeV/ykZtBJ4WDne:IxdrAv3kh+59izh2TlykZp4WDne
Malware Config
Extracted
octo
https://94.141.120.34/NjNhZWUxNmQxZTcy/
https://pethsop332.com/NjNhZWUxNmQxZTcy/
https://2pethsop332.com/NjNhZWUxNmQxZTcy/
https://3pethsop332.com/NjNhZWUxNmQxZTcy/
https://4pethsop332.com/NjNhZWUxNmQxZTcy/
https://5pethsop332.com/NjNhZWUxNmQxZTcy/
https://6pethsop332.com/NjNhZWUxNmQxZTcy/
Extracted
octo
https://94.141.120.34/NjNhZWUxNmQxZTcy/
https://pethsop332.com/NjNhZWUxNmQxZTcy/
https://2pethsop332.com/NjNhZWUxNmQxZTcy/
https://3pethsop332.com/NjNhZWUxNmQxZTcy/
https://4pethsop332.com/NjNhZWUxNmQxZTcy/
https://5pethsop332.com/NjNhZWUxNmQxZTcy/
https://6pethsop332.com/NjNhZWUxNmQxZTcy/
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
resource yara_rule behavioral1/files/fstream-1.dat family_octo -
pid Process 4375 com.thatfall4 -
Loads dropped Dex/Jar 1 TTPs 2 IoCs
Runs executable file dropped to the device during analysis.
ioc pid Process /data/user/0/com.thatfall4/cache/dmutuabtv 4375 com.thatfall4 /data/user/0/com.thatfall4/cache/dmutuabtv 4375 com.thatfall4 -
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.thatfall4 Framework service call android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfosByViewId com.thatfall4 -
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.thatfall4 -
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.thatfall4 -
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.thatfall4 android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction com.thatfall4 android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction com.thatfall4 android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction com.thatfall4 -
Queries the mobile country code (MCC) 1 TTPs 1 IoCs
description ioc Process Framework service call com.android.internal.telephony.ITelephony.getNetworkCountryIsoForPhone com.thatfall4 -
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.thatfall4 -
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.thatfall4 -
Requests modifying system settings. 1 IoCs
description ioc Process Intent action android.settings.action.MANAGE_WRITE_SETTINGS com.thatfall4 -
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.thatfall4 -
Uses Crypto APIs (Might try to encrypt user data) 1 TTPs 1 IoCs
description ioc Process Framework API call javax.crypto.Cipher.doFinal com.thatfall4
Processes
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com.thatfall41⤵
- 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)
PID:4375
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
2Suppress Application Icon
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
448KB
MD55ad7dd6a1a6cdf3edc35320563a6fb6e
SHA1ad5fefa4dc35203191e0bb86473fe28e277e758d
SHA256b589b9fb542ecad6507bdb9043751a6d074b7972e2fcca0bdc7400725bf14600
SHA5128a2ad5ebcead354b954caee1f9a8fa99792593b020d9434c63f6aae73b92603a7aae56fa0c4e8a9a448c0c53c273996671459c1e5d1664e4bcc0f74cb12fc3ec
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Filesize
456B
MD53b8d260e43029e3e94eea7b24cc5497c
SHA15f2f87be80241ea384aac01974939c956d479e91
SHA2564d2e0d18dd7b5133e106e9fd15aa31597c3f5f00ada304b00c3006681d3dad64
SHA5121b61e1092acbc496d3e62be87b3c83fdf63274dd1a83af5f3ad655f96481aff7d338e35ab27aa00c3546fdee910ff60fa9cc10d03aab8ea2c9f152678a1d9be2