Malware Analysis Report

2024-12-01 03:01

Sample ID 241107-1w8yvaylhz
Target a9c13db37e60dfb5080ee593ed308b59a362c01dfcbe5f3cb5e2b54410744d09.bin
SHA256 a9c13db37e60dfb5080ee593ed308b59a362c01dfcbe5f3cb5e2b54410744d09
Tags
octo banker collection credential_access discovery evasion impact infostealer persistence rat trojan stealth
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Mobile Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

a9c13db37e60dfb5080ee593ed308b59a362c01dfcbe5f3cb5e2b54410744d09

Threat Level: Known bad

The file a9c13db37e60dfb5080ee593ed308b59a362c01dfcbe5f3cb5e2b54410744d09.bin was found to be: Known bad.

Malicious Activity Summary

octo banker collection credential_access discovery evasion impact infostealer persistence rat trojan stealth

Octo payload

Octo family

Octo

Removes its main activity from the application launcher

Loads dropped Dex/Jar

Makes use of the framework's Accessibility service

Queries a list of all the installed applications on the device (Might be used in an attempt to overlay legitimate apps)

Queries the phone number (MSISDN for GSM devices)

Queries the mobile country code (MCC)

Makes use of the framework's foreground persistence service

Reads information about phone network operator.

Acquires the wake lock

Requests accessing notifications (often used to intercept notifications before users become aware).

Requests dangerous framework permissions

Queries the unique device ID (IMEI, MEID, IMSI)

Declares services with permission to bind to the system

Requests disabling of battery optimizations (often used to enable hiding in the background).

Declares broadcast receivers with permission to handle system events

Performs UI accessibility actions on behalf of the user

Uses Crypto APIs (Might try to encrypt user data)

Registers a broadcast receiver at runtime (usually for listening for system events)

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-07 22:01

Signatures

Declares broadcast receivers with permission to handle system events

Description Indicator Process Target
Required by device admin receivers to bind with the system. Allows apps to manage device administration features. android.permission.BIND_DEVICE_ADMIN N/A N/A

Declares services with permission to bind to the system

Description Indicator Process Target
Required by accessibility services to bind with the system. Allows apps to access accessibility features. android.permission.BIND_ACCESSIBILITY_SERVICE N/A N/A
Required by notification listener services to bind with the system. Allows apps to listen to and interact with notifications on the device. android.permission.BIND_NOTIFICATION_LISTENER_SERVICE N/A N/A

Requests dangerous framework permissions

Description Indicator Process Target
Allows an application to record audio. android.permission.RECORD_AUDIO N/A N/A
Allows an application to read or write the system settings. android.permission.WRITE_SETTINGS N/A N/A
Allows an application to send SMS messages. android.permission.SEND_SMS N/A N/A
Allows read only access to phone state, including the current cellular network information, the status of any ongoing calls, and a list of any PhoneAccounts registered on the device. android.permission.READ_PHONE_STATE N/A N/A
Allows an app to access location in the background. android.permission.ACCESS_BACKGROUND_LOCATION N/A N/A
Allows an application to read SMS messages. android.permission.READ_SMS N/A N/A
Allows an application to initiate a phone call without going through the Dialer user interface for the user to confirm the call. android.permission.CALL_PHONE N/A N/A
Allows an application to read from external storage. android.permission.READ_EXTERNAL_STORAGE N/A N/A
Allows an application to write to external storage. android.permission.WRITE_EXTERNAL_STORAGE N/A N/A
Allows an application to receive SMS messages. android.permission.RECEIVE_SMS N/A N/A
Allows an application a broad access to external storage in scoped storage. android.permission.MANAGE_EXTERNAL_STORAGE N/A N/A

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-07 22:01

Reported

2024-11-07 22:03

Platform

android-x64-20240910-en

Max time kernel

149s

Max time network

151s

Command Line

com.layplane6

Signatures

Octo

banker trojan infostealer rat octo

Octo family

octo

Octo payload

Description Indicator Process Target
N/A N/A N/A N/A

Loads dropped Dex/Jar

evasion
Description Indicator Process Target
N/A /data/user/0/com.layplane6/app_DynamicOptDex/UZ.json N/A N/A
N/A /data/user/0/com.layplane6/cache/ntxxlcjc N/A N/A
N/A /data/user/0/com.layplane6/cache/ntxxlcjc N/A N/A

Makes use of the framework's Accessibility service

collection evasion credential_access
Description Indicator Process Target
Framework service call android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfoByAccessibilityId N/A N/A
Framework service call android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfosByViewId N/A N/A

Queries a list of all the installed applications on the device (Might be used in an attempt to overlay legitimate apps)

banker discovery

Queries the phone number (MSISDN for GSM devices)

discovery

Acquires the wake lock

Description Indicator Process Target
Framework service call android.os.IPowerManager.acquireWakeLock N/A N/A

Makes use of the framework's foreground persistence service

evasion persistence
Description Indicator Process Target
Framework service call android.app.IActivityManager.setServiceForeground N/A N/A

Performs UI accessibility actions on behalf of the user

evasion
Description Indicator Process Target
N/A android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction N/A N/A
N/A android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction N/A N/A

Queries the mobile country code (MCC)

discovery
Description Indicator Process Target
Framework service call com.android.internal.telephony.ITelephony.getNetworkCountryIsoForPhone N/A N/A

Reads information about phone network operator.

discovery

Registers a broadcast receiver at runtime (usually for listening for system events)

persistence
Description Indicator Process Target
Framework service call android.app.IActivityManager.registerReceiver N/A N/A

Uses Crypto APIs (Might try to encrypt user data)

impact
Description Indicator Process Target
Framework API call javax.crypto.Cipher.doFinal N/A N/A

Processes

com.layplane6

Network

Country Destination Domain Proto
N/A 224.0.0.251:5353 udp
US 1.1.1.1:53 ligheruh80fkfj895ik.online udp
US 1.1.1.1:53 yuren94kfdodifvreh.site udp
US 1.1.1.1:53 t54grtytrgsrewt563.top udp
US 1.1.1.1:53 www.ip-api.com udp
US 208.95.112.1:80 www.ip-api.com tcp
US 1.1.1.1:53 frret54tgh4wffdf.xyz udp
GB 142.250.180.14:443 tcp
GB 142.250.180.14:443 tcp
US 1.1.1.1:53 android.apis.google.com udp
GB 216.58.204.78:443 android.apis.google.com tcp
GB 216.58.212.226:443 tcp

Files

/data/data/com.layplane6/app_DynamicOptDex/UZ.json

MD5 340a877f5f49cfe94bc692a1210e0d6c
SHA1 e87f7d53dca7710460457722a2515c2277622ff2
SHA256 ae0e93785989b76165cbbcf1b58d8acc8b3a12111fa4c7f626e6231ec930cf6b
SHA512 3e10e77064f57211ad36e343c258368e6b2eb04b0d72f1f876331da745fcc3d75ea75644edb750bb17a9efb0ba9355a2a43d0c1f2e26585117c7587954cd88ef

/data/data/com.layplane6/app_DynamicOptDex/UZ.json

MD5 be837b0b1c3254e6d8e033f1fb2b733b
SHA1 5133d1b128af46d663a3362b422dca36868460bb
SHA256 cefa5d37ab63c44710fd3003a6794cc59a39d8a4f8dc260b5307850c7cb4275e
SHA512 079790070f30d69e8587c91da6b2bb6ee481a01850e6e4419cb963635c2d646d4d87fc797ab8a4593dac8fc000f35eaf102584f7db010ce48924682e4cfe86ea

/data/user/0/com.layplane6/app_DynamicOptDex/UZ.json

MD5 83959346e936cc2097f4873fd4f9e0c1
SHA1 1b4bc10df350770b140b7e0e153ea6ff9db1ce20
SHA256 52291733d86b51d1abccc8ac99c6ba1731ef14cab62c356cb94ef83d229cb13f
SHA512 6a4b21ec741b0e8968c026c18083de85d631e148788254997797e84f92d6f06fb23bfa76ea95c0904fdc1f72b2d238c7383ce9e65d3ac377bc41f02f47c8152c

/data/data/com.layplane6/cache/ntxxlcjc

MD5 102cfcd9da68170c68c6b36b093dc40b
SHA1 50ba6d45ddbdf265335d65d3c2c3b4e80f0a96ad
SHA256 0d700ab757f1272b2892e7fc53e8dee7542018e6a13caa4f775441e93c0fbf58
SHA512 5355767b3e73b2b4cca7cd342201b79a029cd69c837b5cdce136cae613b0923bca7231f89378560193bba1cc19459119b2349cafddecc0fbaf79e63f46e50b51

/data/data/com.layplane6/cache/oat/ntxxlcjc.cur.prof

MD5 b04db0821f352b85146cdc44cd51051d
SHA1 91c55355b405b23149e4646929e0fba57fbe9eb1
SHA256 ff369c1e525a2dd5f98370eaea9fa0fdd390ccf94bb156a5c8b15617b475260a
SHA512 41ac7ff9bc97cf2c8ee061bcf79a93487c1d5ed043f1dd3d50f16f54883f66e257f2e2b2f65d0b4fca773a677691f60494d12a7d316db3e593da463ab322beca

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-07 22:01

Reported

2024-11-07 22:03

Platform

android-x86-arm-20240624-en

Max time kernel

149s

Max time network

131s

Command Line

com.layplane6

Signatures

Octo

banker trojan infostealer rat octo

Octo family

octo

Octo payload

Description Indicator Process Target
N/A N/A N/A N/A

Removes its main activity from the application launcher

stealth trojan evasion
Description Indicator Process Target
N/A N/A N/A N/A

Loads dropped Dex/Jar

evasion
Description Indicator Process Target
N/A /data/user/0/com.layplane6/app_DynamicOptDex/UZ.json N/A N/A
N/A /data/user/0/com.layplane6/app_DynamicOptDex/UZ.json N/A N/A
N/A /data/user/0/com.layplane6/cache/ntxxlcjc N/A N/A
N/A /data/user/0/com.layplane6/cache/ntxxlcjc N/A N/A

Makes use of the framework's Accessibility service

collection evasion credential_access
Description Indicator Process Target
Framework service call android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfoByAccessibilityId N/A N/A
Framework service call android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfosByViewId N/A N/A

Queries a list of all the installed applications on the device (Might be used in an attempt to overlay legitimate apps)

banker discovery

Queries the phone number (MSISDN for GSM devices)

discovery

Acquires the wake lock

Description Indicator Process Target
Framework service call android.os.IPowerManager.acquireWakeLock N/A N/A

Makes use of the framework's foreground persistence service

evasion persistence
Description Indicator Process Target
Framework service call android.app.IActivityManager.setServiceForeground N/A N/A

Performs UI accessibility actions on behalf of the user

evasion
Description Indicator Process Target
N/A android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction N/A N/A
N/A android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction N/A N/A

Queries the mobile country code (MCC)

discovery
Description Indicator Process Target
Framework service call com.android.internal.telephony.ITelephony.getNetworkCountryIsoForPhone N/A N/A

Queries the unique device ID (IMEI, MEID, IMSI)

discovery

Reads information about phone network operator.

discovery

Requests accessing notifications (often used to intercept notifications before users become aware).

collection credential_access
Description Indicator Process Target
Intent action android.settings.ACTION_NOTIFICATION_LISTENER_SETTINGS N/A N/A

Requests disabling of battery optimizations (often used to enable hiding in the background).

evasion
Description Indicator Process Target
Intent action android.settings.REQUEST_IGNORE_BATTERY_OPTIMIZATIONS N/A N/A

Registers a broadcast receiver at runtime (usually for listening for system events)

persistence
Description Indicator Process Target
Framework service call android.app.IActivityManager.registerReceiver N/A N/A

Uses Crypto APIs (Might try to encrypt user data)

impact
Description Indicator Process Target
Framework API call javax.crypto.Cipher.doFinal N/A N/A

Processes

com.layplane6

/system/bin/dex2oat --instruction-set=x86 --instruction-set-features=ssse3,-sse4.1,-sse4.2,-avx,-avx2,-popcnt --runtime-arg -Xhidden-api-checks --runtime-arg -Xrelocate --boot-image=/system/framework/boot.art --runtime-arg -Xms64m --runtime-arg -Xmx512m --instruction-set-variant=x86 --instruction-set-features=default --inline-max-code-units=0 --compact-dex-level=none --dex-file=/data/user/0/com.layplane6/app_DynamicOptDex/UZ.json --output-vdex-fd=41 --oat-fd=42 --oat-location=/data/user/0/com.layplane6/app_DynamicOptDex/oat/x86/UZ.odex --compiler-filter=quicken --class-loader-context=&

Network

Country Destination Domain Proto
N/A 224.0.0.251:5353 udp
US 1.1.1.1:53 semanticlocation-pa.googleapis.com udp
US 1.1.1.1:53 t54grtytrgsrewt563.top udp
US 1.1.1.1:53 www.ip-api.com udp
US 208.95.112.1:80 www.ip-api.com tcp
US 1.1.1.1:53 yuren94kfdodifvreh.site udp
US 1.1.1.1:53 frret54tgh4wffdf.xyz udp
US 1.1.1.1:53 ligheruh80fkfj895ik.online udp
GB 142.250.200.46:443 tcp
US 1.1.1.1:53 android.apis.google.com udp
GB 142.250.179.238:443 android.apis.google.com tcp
GB 142.250.178.10:443 semanticlocation-pa.googleapis.com tcp

Files

/data/data/com.layplane6/app_DynamicOptDex/UZ.json

MD5 340a877f5f49cfe94bc692a1210e0d6c
SHA1 e87f7d53dca7710460457722a2515c2277622ff2
SHA256 ae0e93785989b76165cbbcf1b58d8acc8b3a12111fa4c7f626e6231ec930cf6b
SHA512 3e10e77064f57211ad36e343c258368e6b2eb04b0d72f1f876331da745fcc3d75ea75644edb750bb17a9efb0ba9355a2a43d0c1f2e26585117c7587954cd88ef

/data/data/com.layplane6/app_DynamicOptDex/UZ.json

MD5 be837b0b1c3254e6d8e033f1fb2b733b
SHA1 5133d1b128af46d663a3362b422dca36868460bb
SHA256 cefa5d37ab63c44710fd3003a6794cc59a39d8a4f8dc260b5307850c7cb4275e
SHA512 079790070f30d69e8587c91da6b2bb6ee481a01850e6e4419cb963635c2d646d4d87fc797ab8a4593dac8fc000f35eaf102584f7db010ce48924682e4cfe86ea

/data/user/0/com.layplane6/app_DynamicOptDex/UZ.json

MD5 83959346e936cc2097f4873fd4f9e0c1
SHA1 1b4bc10df350770b140b7e0e153ea6ff9db1ce20
SHA256 52291733d86b51d1abccc8ac99c6ba1731ef14cab62c356cb94ef83d229cb13f
SHA512 6a4b21ec741b0e8968c026c18083de85d631e148788254997797e84f92d6f06fb23bfa76ea95c0904fdc1f72b2d238c7383ce9e65d3ac377bc41f02f47c8152c

/data/user/0/com.layplane6/app_DynamicOptDex/UZ.json

MD5 542b0bbe533d3aefcf2310fd5f3387cd
SHA1 2cf54fac846c1e5a391d751c70e95c688b722e0c
SHA256 78673552668c0e656a165215809025b2a80b10ee3f5456f2a084af14aa45020f
SHA512 12870c147eaa00af37e75c3ec4306347216454d4bb72ce4e656dad3e594b378414447bb7f204b620753cf7c3dd1e88ba14369fba5fb4e9e5603951c0de154ab7

/data/data/com.layplane6/cache/ntxxlcjc

MD5 102cfcd9da68170c68c6b36b093dc40b
SHA1 50ba6d45ddbdf265335d65d3c2c3b4e80f0a96ad
SHA256 0d700ab757f1272b2892e7fc53e8dee7542018e6a13caa4f775441e93c0fbf58
SHA512 5355767b3e73b2b4cca7cd342201b79a029cd69c837b5cdce136cae613b0923bca7231f89378560193bba1cc19459119b2349cafddecc0fbaf79e63f46e50b51

/data/data/com.layplane6/cache/oat/ntxxlcjc.cur.prof

MD5 6c0d4b5e7fb9e1427205ca0f6db72f40
SHA1 55b719a7bddc52dbfdfc2ec56e01167c8a343a76
SHA256 f87716fca96e34e70d357be7c88e3f9bfe5f64bc6647fb6598735c652a8bed54
SHA512 bd9b3b6ed98badddc7acad6cb061392be82e2db9df7678a05e499b69e04566028886d50633feea5affee76cfbeeb6d99b56481afc1688f9bc969b2f520d9874b