Malware Analysis Report

2025-01-19 05:12

Sample ID 241218-1z1rmsvkbp
Target 79b35b829839ef69f5968a1a025453f22b80e808a31a70eb299da04f29faef3d.bin
SHA256 79b35b829839ef69f5968a1a025453f22b80e808a31a70eb299da04f29faef3d
Tags
cerberus banker collection credential_access discovery evasion infostealer persistence rat trojan impact
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Mobile Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral3

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

79b35b829839ef69f5968a1a025453f22b80e808a31a70eb299da04f29faef3d

Threat Level: Known bad

The file 79b35b829839ef69f5968a1a025453f22b80e808a31a70eb299da04f29faef3d.bin was found to be: Known bad.

Malicious Activity Summary

cerberus banker collection credential_access discovery evasion infostealer persistence rat trojan impact

Cerberus

Cerberus family

Makes use of the framework's Accessibility service

Queries the phone number (MSISDN for GSM devices)

Obtains sensitive information copied to the device clipboard

Loads dropped Dex/Jar

Queries the mobile country code (MCC)

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

Declares services with permission to bind to the system

Requests dangerous framework permissions

Performs UI accessibility actions on behalf of the user

Declares broadcast receivers with permission to handle system events

Listens for changes in the sensor environment (might be used to detect emulation)

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

Checks memory information

Checks CPU information

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-12-18 22:06

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

Requests dangerous framework permissions

Description Indicator Process Target
Allows an application to receive SMS messages. android.permission.RECEIVE_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 application to read the user's contacts data. android.permission.READ_CONTACTS 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 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 request installing packages. android.permission.REQUEST_INSTALL_PACKAGES N/A N/A
Allows an application to send SMS messages. android.permission.SEND_SMS N/A N/A
Allows an application to write to external storage. android.permission.WRITE_EXTERNAL_STORAGE N/A N/A
Allows an app to create windows using the type LayoutParams.TYPE_APPLICATION_OVERLAY, shown on top of all other apps. android.permission.SYSTEM_ALERT_WINDOW N/A N/A
Allows an application to read SMS messages. android.permission.READ_SMS N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-12-18 22:05

Reported

2024-12-18 22:09

Platform

android-x86-arm-20240910-en

Max time kernel

122s

Max time network

151s

Command Line

com.weird.sponsor

Signatures

Cerberus

banker trojan infostealer evasion rat cerberus

Cerberus family

cerberus

Loads dropped Dex/Jar

evasion
Description Indicator Process Target
N/A /data/user/0/com.weird.sponsor/app_DynamicOptDex/kysRIWG.json N/A N/A
N/A /data/user/0/com.weird.sponsor/app_DynamicOptDex/kysRIWG.json 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 the phone number (MSISDN for GSM devices)

discovery

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
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

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

Listens for changes in the sensor environment (might be used to detect emulation)

evasion
Description Indicator Process Target
Framework API call android.hardware.SensorManager.registerListener 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

Checks CPU information

Description Indicator Process Target
File opened for read /proc/cpuinfo N/A N/A

Checks memory information

Description Indicator Process Target
File opened for read /proc/meminfo N/A N/A

Processes

com.weird.sponsor

/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.weird.sponsor/app_DynamicOptDex/kysRIWG.json --output-vdex-fd=42 --oat-fd=43 --oat-location=/data/user/0/com.weird.sponsor/app_DynamicOptDex/oat/x86/kysRIWG.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 icons.iconarchive.com udp
US 104.21.235.214:443 icons.iconarchive.com tcp
US 1.1.1.1:53 tendasmalartarsrodrimez.shop udp
GB 142.250.187.206:443 tcp
GB 142.250.187.206:443 tcp
US 1.1.1.1:53 android.apis.google.com udp
GB 142.250.200.14:443 android.apis.google.com tcp
GB 142.250.187.226:443 tcp

Files

/data/data/com.weird.sponsor/app_DynamicOptDex/kysRIWG.json

MD5 326eb37ddcdda09be4ea98c17c96cffe
SHA1 a652bd979d8e1d5edf93554380c6bb6f1548f86b
SHA256 4beec69cbab12e9c504506987ac3f6d5d3cf2f965a6a98304968130309da4ff3
SHA512 63ef23a5290732d6143fd82d43d5289901839379b54fd6b603bd3f2f8cc12352879b623c0dcd92beb5ec347c65884388eecfa07883bd4379b0bbac6a4088eced

/data/data/com.weird.sponsor/app_DynamicOptDex/kysRIWG.json

MD5 c1424a31a0fe8e08c687c8a22241c89b
SHA1 cbd17a260ef28daba6e21f6788347c5367467e66
SHA256 41c8911cfcf6dd668bbeea02aae489afc4f371c0876391a791f8c11db4047bb1
SHA512 fad7cacbd09760d56ee44faa1cd3c47716f7f1de47ac034da756b55168f9315c566bf91a68275ea95ef58ca60c38f5f04afce414042a6e8dd80fbdcd0960e8f4

/data/user/0/com.weird.sponsor/app_DynamicOptDex/kysRIWG.json

MD5 fb1c074d36b258b42f353f6889bab088
SHA1 141840b653e9cc6c129bbe84f2d179309ec1c1b4
SHA256 5cc1a8d3aa9225a9818e5ecb49365257e6e7e57d1952ae6db1863ef320d2745a
SHA512 82c4a8b691c1f650fbc47c1421b1646caeea762a6b45ffea4066a8d6f30cfb74a7d6e76dc7c1a96f64aa0efbbd0c42da797cd8b48e4034aad878b354ad4d317c

/data/user/0/com.weird.sponsor/app_DynamicOptDex/kysRIWG.json

MD5 48bad569c7c0c68cc4771d3af50de74f
SHA1 b7ea1fdabd54d8f5ff08d0ce38ddb8b40d1cc0d4
SHA256 1cbe6f620417560298bb12fa2a2ee45fd7ad085a091ebb849aa409771221f6fa
SHA512 2079437fce0c91b60f700204df3151c5462a489b3d240539f60967d2951fb721a92eb2c32ff9f4a0c7c8a8c1054486e03c375afc7c6050d47fbc31dbdf16ccac

/data/data/com.weird.sponsor/app_DynamicOptDex/oat/kysRIWG.json.cur.prof

MD5 da296f9d96a7cd58b56b3b3da46260a1
SHA1 a18e514fc9091da3454c01251307c2e8ca3b6d76
SHA256 952714645420bebf2378ba7da2bdf44314421022d137d5990560c60c451ed8b7
SHA512 451f60cbf43975bd67ec5cbc277cff2c05133f58408d4d14410e1aceef96dd2af1c36272ceadcb6c62803b52f96239ce922fafa3d7896540e860476e76238138

Analysis: behavioral2

Detonation Overview

Submitted

2024-12-18 22:05

Reported

2024-12-18 22:09

Platform

android-x64-20240624-en

Max time kernel

70s

Max time network

145s

Command Line

com.weird.sponsor

Signatures

Cerberus

banker trojan infostealer evasion rat cerberus

Cerberus family

cerberus

Loads dropped Dex/Jar

evasion
Description Indicator Process Target
N/A /data/user/0/com.weird.sponsor/app_DynamicOptDex/kysRIWG.json 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

Obtains sensitive information copied to the device clipboard

collection credential_access impact
Description Indicator Process Target
Framework service call android.content.IClipboard.addPrimaryClipChangedListener N/A N/A

Queries the phone number (MSISDN for GSM devices)

discovery

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
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

Listens for changes in the sensor environment (might be used to detect emulation)

evasion
Description Indicator Process Target
Framework API call android.hardware.SensorManager.registerListener 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

Checks CPU information

Description Indicator Process Target
File opened for read /proc/cpuinfo N/A N/A

Checks memory information

Description Indicator Process Target
File opened for read /proc/meminfo N/A N/A

Processes

com.weird.sponsor

Network

Country Destination Domain Proto
N/A 224.0.0.251:5353 udp
US 1.1.1.1:53 ssl.google-analytics.com udp
US 1.1.1.1:53 icons.iconarchive.com udp
US 104.21.235.214:443 icons.iconarchive.com tcp
US 1.1.1.1:53 ssl.google-analytics.com udp
GB 142.250.179.232:443 ssl.google-analytics.com tcp
GB 142.250.187.238:443 tcp
US 1.1.1.1:53 android.apis.google.com udp
GB 172.217.16.238:443 android.apis.google.com tcp
US 1.1.1.1:53 tendasmalartarsrodrimez.shop udp
GB 142.250.179.228:443 tcp
GB 142.250.179.228:443 tcp
GB 216.58.212.206:443 tcp
GB 142.250.200.2:443 tcp

Files

/data/data/com.weird.sponsor/app_DynamicOptDex/kysRIWG.json

MD5 326eb37ddcdda09be4ea98c17c96cffe
SHA1 a652bd979d8e1d5edf93554380c6bb6f1548f86b
SHA256 4beec69cbab12e9c504506987ac3f6d5d3cf2f965a6a98304968130309da4ff3
SHA512 63ef23a5290732d6143fd82d43d5289901839379b54fd6b603bd3f2f8cc12352879b623c0dcd92beb5ec347c65884388eecfa07883bd4379b0bbac6a4088eced

/data/data/com.weird.sponsor/app_DynamicOptDex/kysRIWG.json

MD5 c1424a31a0fe8e08c687c8a22241c89b
SHA1 cbd17a260ef28daba6e21f6788347c5367467e66
SHA256 41c8911cfcf6dd668bbeea02aae489afc4f371c0876391a791f8c11db4047bb1
SHA512 fad7cacbd09760d56ee44faa1cd3c47716f7f1de47ac034da756b55168f9315c566bf91a68275ea95ef58ca60c38f5f04afce414042a6e8dd80fbdcd0960e8f4

/data/user/0/com.weird.sponsor/app_DynamicOptDex/kysRIWG.json

MD5 fb1c074d36b258b42f353f6889bab088
SHA1 141840b653e9cc6c129bbe84f2d179309ec1c1b4
SHA256 5cc1a8d3aa9225a9818e5ecb49365257e6e7e57d1952ae6db1863ef320d2745a
SHA512 82c4a8b691c1f650fbc47c1421b1646caeea762a6b45ffea4066a8d6f30cfb74a7d6e76dc7c1a96f64aa0efbbd0c42da797cd8b48e4034aad878b354ad4d317c

/data/data/com.weird.sponsor/app_DynamicOptDex/oat/kysRIWG.json.cur.prof

MD5 2f4d4fa32d60c21730c35c0bcec4f0eb
SHA1 61aa78984c7849da00701bb62b2bfd3ce2258066
SHA256 55876a6b540bbd9cd1cb7581060757fd82970c950fbf800c72188f192c1af05b
SHA512 b3fba9f9136195b786290123b38da345344adaf2bf3d52a937e0e13cb4c76213ae211178289b061e71db77214b84415d28d390e83f73fef826cdb201a9d16816

Analysis: behavioral3

Detonation Overview

Submitted

2024-12-18 22:05

Reported

2024-12-18 22:08

Platform

android-x64-arm64-20240910-en

Max time kernel

41s

Max time network

151s

Command Line

com.weird.sponsor

Signatures

Cerberus

banker trojan infostealer evasion rat cerberus

Cerberus family

cerberus

Loads dropped Dex/Jar

evasion
Description Indicator Process Target
N/A /data/user/0/com.weird.sponsor/app_DynamicOptDex/kysRIWG.json N/A N/A
N/A [anon:dalvik-classes.dex extracted in memory from /data/user/0/com.weird.sponsor/app_DynamicOptDex/kysRIWG.json] 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.findAccessibilityNodeInfosByViewId N/A N/A
Framework service call android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfoByAccessibilityId N/A N/A

Obtains sensitive information copied to the device clipboard

collection credential_access impact
Description Indicator Process Target
Framework service call android.content.IClipboard.addPrimaryClipChangedListener N/A N/A

Queries the phone number (MSISDN for GSM devices)

discovery

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
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

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

Listens for changes in the sensor environment (might be used to detect emulation)

evasion
Description Indicator Process Target
Framework API call android.hardware.SensorManager.registerListener N/A N/A

Checks CPU information

Description Indicator Process Target
File opened for read /proc/cpuinfo N/A N/A

Checks memory information

Description Indicator Process Target
File opened for read /proc/meminfo N/A N/A

Processes

com.weird.sponsor

Network

Country Destination Domain Proto
N/A 224.0.0.251:5353 udp
GB 142.250.200.46:443 tcp
US 1.1.1.1:53 www.youtube.com udp
US 1.1.1.1:53 android.apis.google.com udp
GB 142.250.200.46:443 www.youtube.com tcp
GB 172.217.16.238:443 android.apis.google.com tcp
GB 172.217.16.238:443 android.apis.google.com tcp
US 216.239.36.223:443 tcp
US 1.1.1.1:53 icons.iconarchive.com udp
US 104.21.235.213:443 icons.iconarchive.com tcp
US 1.1.1.1:53 ssl.google-analytics.com udp
GB 172.217.16.232:443 ssl.google-analytics.com tcp
US 1.1.1.1:53 tendasmalartarsrodrimez.shop udp
US 1.1.1.1:53 tendasmalartarsrodrimez.shop udp
US 216.239.36.223:443 tcp
GB 142.250.187.225:443 tcp
US 216.239.36.223:443 tcp
GB 142.250.200.1:443 tcp

Files

/data/user/0/com.weird.sponsor/app_DynamicOptDex/kysRIWG.json

MD5 326eb37ddcdda09be4ea98c17c96cffe
SHA1 a652bd979d8e1d5edf93554380c6bb6f1548f86b
SHA256 4beec69cbab12e9c504506987ac3f6d5d3cf2f965a6a98304968130309da4ff3
SHA512 63ef23a5290732d6143fd82d43d5289901839379b54fd6b603bd3f2f8cc12352879b623c0dcd92beb5ec347c65884388eecfa07883bd4379b0bbac6a4088eced

/data/user/0/com.weird.sponsor/app_DynamicOptDex/kysRIWG.json

MD5 c1424a31a0fe8e08c687c8a22241c89b
SHA1 cbd17a260ef28daba6e21f6788347c5367467e66
SHA256 41c8911cfcf6dd668bbeea02aae489afc4f371c0876391a791f8c11db4047bb1
SHA512 fad7cacbd09760d56ee44faa1cd3c47716f7f1de47ac034da756b55168f9315c566bf91a68275ea95ef58ca60c38f5f04afce414042a6e8dd80fbdcd0960e8f4

/data/user/0/com.weird.sponsor/app_DynamicOptDex/kysRIWG.json

MD5 fb1c074d36b258b42f353f6889bab088
SHA1 141840b653e9cc6c129bbe84f2d179309ec1c1b4
SHA256 5cc1a8d3aa9225a9818e5ecb49365257e6e7e57d1952ae6db1863ef320d2745a
SHA512 82c4a8b691c1f650fbc47c1421b1646caeea762a6b45ffea4066a8d6f30cfb74a7d6e76dc7c1a96f64aa0efbbd0c42da797cd8b48e4034aad878b354ad4d317c