Malware Analysis Report

2025-01-19 05:13

Sample ID 241216-1wm2da1nbs
Target 615b861ed6225b27b43f480ab638f33ea8509330989b13f08038599553d27298.bin
SHA256 615b861ed6225b27b43f480ab638f33ea8509330989b13f08038599553d27298
Tags
cerberus banker collection credential_access discovery evasion impact infostealer persistence rat stealth trojan privilege_escalation
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: behavioral3

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

615b861ed6225b27b43f480ab638f33ea8509330989b13f08038599553d27298

Threat Level: Known bad

The file 615b861ed6225b27b43f480ab638f33ea8509330989b13f08038599553d27298.bin was found to be: Known bad.

Malicious Activity Summary

cerberus banker collection credential_access discovery evasion impact infostealer persistence rat stealth trojan privilege_escalation

Cerberus family

Cerberus

Removes its main activity from the application launcher

Obtains sensitive information copied to the device clipboard

Loads dropped Dex/Jar

Queries the phone number (MSISDN for GSM devices)

Makes use of the framework's Accessibility service

Queries the mobile country code (MCC)

Declares services with permission to bind to the system

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

Tries to add a device administrator.

Requests changing the default SMS application.

Performs UI accessibility actions on behalf of the user

Declares broadcast receivers with permission to handle system events

Requests dangerous framework permissions

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

2024-12-16 22:00

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 read the user's contacts data. android.permission.READ_CONTACTS N/A N/A
Allows an application to receive SMS messages. android.permission.RECEIVE_SMS N/A N/A
Allows an application to read from external storage. android.permission.READ_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 request installing packages. android.permission.REQUEST_INSTALL_PACKAGES 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 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 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 SMS messages. android.permission.READ_SMS N/A N/A

Analysis: behavioral2

Detonation Overview

Submitted

2024-12-16 22:00

Reported

2024-12-16 22:02

Platform

android-x64-20240624-en

Max time kernel

56s

Max time network

148s

Command Line

com.kid.couch

Signatures

Cerberus

banker trojan infostealer evasion rat cerberus

Cerberus family

cerberus

Removes its main activity from the application launcher

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

Loads dropped Dex/Jar

evasion
Description Indicator Process Target
N/A /data/user/0/com.kid.couch/app_DynamicOptDex/RGc.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.findAccessibilityNodeInfosByText 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.kid.couch

Network

Country Destination Domain Proto
N/A 224.0.0.251:5353 udp
US 1.1.1.1:53 ssl.google-analytics.com udp
GB 142.250.187.232:443 ssl.google-analytics.com tcp
GB 142.250.200.46:443 tcp
US 1.1.1.1:53 android.apis.google.com udp
GB 216.58.204.78:443 android.apis.google.com tcp
US 1.1.1.1:53 petkinssaps.ru udp
GB 142.250.187.228:443 tcp
GB 142.250.187.228:443 tcp
GB 216.58.213.14:443 tcp
GB 142.250.178.2:443 tcp

Files

/data/data/com.kid.couch/app_DynamicOptDex/RGc.json

MD5 59ff1dfe6a895706aeb0574f4c9f89b6
SHA1 61b818c0c2d5c8576d099e7f3adfee1f1fe56cbf
SHA256 17ece2eb3f091a1d0f34670d39df88bac31bc37892367a6c536c2bc6c4bb12c9
SHA512 caba4bd8935a8daa577c3cf54d7ce7c4a3da43cb134d1f54159b1e977c0a84b7ca95758ae7184ed68fcbc266532950359d3b04edd62e4cafbe73adf2c7ce7382

/data/data/com.kid.couch/app_DynamicOptDex/RGc.json

MD5 fe53c5bde06612f87def1eab5dca9be5
SHA1 719aa8bbec5cf1bd2bdf347ef1bb703947f5702c
SHA256 56a18fe936c584031d3b29058a57125949c3a82321a35b3aee93438616021213
SHA512 ea9ad3fe5155606c6718c5dc07ab220e49853f97b971e5642a414ff0f4f1638709363c2307b116a6f5f031a201e699dc20255752f3f07226e2f5fa2292176358

/data/user/0/com.kid.couch/app_DynamicOptDex/RGc.json

MD5 453d3411c90fe94cf39cf29f49ea4a04
SHA1 d48d0eb739f3dc991c45e0bfb869c6d851fed30b
SHA256 776dca8dff7f768acac158dfa7af50844dd7751448f2da279db06c06644014ff
SHA512 7a14c22d105422e09b021b79fcd32673e3e3bc6965439ec5a669a6c570be18104321a04e82508bf002e2c6b0dba6de5809fe45b4d9b0f15da12b2ddd41372d3b

/data/data/com.kid.couch/app_DynamicOptDex/oat/RGc.json.cur.prof

MD5 cef2ac106d4b3006d46b23c9906926e1
SHA1 52c44c1d00627f5eeda2100b051a3f15e740f27f
SHA256 a9dce105fe3c515660eacd5c9178ee84c247e610d72ff5971d0ed3d53b3f2bc9
SHA512 ae633c3006f4e59e9b197c666a14593f91973ee8c279d21b8a40408cb0d3d7cf3c321468b6979c11d5688375fbd28e6c478b207595587bbb07acdcd8352453e2

Analysis: behavioral3

Detonation Overview

Submitted

2024-12-16 22:00

Reported

2024-12-16 22:02

Platform

android-x64-arm64-20240624-en

Max time kernel

62s

Max time network

134s

Command Line

com.kid.couch

Signatures

Cerberus

banker trojan infostealer evasion rat cerberus

Cerberus family

cerberus

Removes its main activity from the application launcher

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

Loads dropped Dex/Jar

evasion
Description Indicator Process Target
N/A /data/user/0/com.kid.couch/app_DynamicOptDex/RGc.json N/A N/A
N/A [anon:dalvik-classes.dex extracted in memory from /data/user/0/com.kid.couch/app_DynamicOptDex/RGc.json] N/A N/A
N/A [anon:dalvik-classes.dex extracted in memory from /data/user/0/com.kid.couch/app_DynamicOptDex/RGc.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.findAccessibilityNodeInfosByText 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

Requests changing the default SMS application.

collection impact
Description Indicator Process Target
Intent action android.provider.Telephony.ACTION_CHANGE_DEFAULT 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

Tries to add a device administrator.

privilege_escalation impact
Description Indicator Process Target
Intent action android.app.action.ADD_DEVICE_ADMIN 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.kid.couch

Network

Country Destination Domain Proto
GB 216.58.212.238:443 tcp
GB 216.58.212.238:443 tcp
US 1.1.1.1:53 android.apis.google.com udp
GB 172.217.169.46:443 android.apis.google.com tcp
N/A 224.0.0.251:5353 udp
US 1.1.1.1:53 android.apis.google.com udp
GB 142.250.200.14:443 android.apis.google.com tcp
US 1.1.1.1:53 ssl.google-analytics.com udp
GB 142.250.179.232:443 ssl.google-analytics.com tcp
US 1.1.1.1:53 petkinssaps.ru udp
GB 142.250.187.228:443 tcp
GB 142.250.187.228:443 tcp

Files

/data/user/0/com.kid.couch/app_DynamicOptDex/RGc.json

MD5 59ff1dfe6a895706aeb0574f4c9f89b6
SHA1 61b818c0c2d5c8576d099e7f3adfee1f1fe56cbf
SHA256 17ece2eb3f091a1d0f34670d39df88bac31bc37892367a6c536c2bc6c4bb12c9
SHA512 caba4bd8935a8daa577c3cf54d7ce7c4a3da43cb134d1f54159b1e977c0a84b7ca95758ae7184ed68fcbc266532950359d3b04edd62e4cafbe73adf2c7ce7382

/data/user/0/com.kid.couch/app_DynamicOptDex/RGc.json

MD5 fe53c5bde06612f87def1eab5dca9be5
SHA1 719aa8bbec5cf1bd2bdf347ef1bb703947f5702c
SHA256 56a18fe936c584031d3b29058a57125949c3a82321a35b3aee93438616021213
SHA512 ea9ad3fe5155606c6718c5dc07ab220e49853f97b971e5642a414ff0f4f1638709363c2307b116a6f5f031a201e699dc20255752f3f07226e2f5fa2292176358

/data/user/0/com.kid.couch/app_DynamicOptDex/RGc.json

MD5 453d3411c90fe94cf39cf29f49ea4a04
SHA1 d48d0eb739f3dc991c45e0bfb869c6d851fed30b
SHA256 776dca8dff7f768acac158dfa7af50844dd7751448f2da279db06c06644014ff
SHA512 7a14c22d105422e09b021b79fcd32673e3e3bc6965439ec5a669a6c570be18104321a04e82508bf002e2c6b0dba6de5809fe45b4d9b0f15da12b2ddd41372d3b

/data/user/0/com.kid.couch/app_DynamicOptDex/oat/RGc.json.cur.prof

MD5 58b26a5797da061f08ad5d97ef9072c4
SHA1 5a7f1cadf68b6c323004f89bb50670e5f18d6a19
SHA256 ef12d3f487d98d84be786b5374183c1d84586256dc3f951fce1a2fb8b3eea154
SHA512 94c8714d864d1b5a63d22ca62c88b08c08eb974f35207fad3a66d0278e7db3fc521ae12559018f85699109a62e9a417fc318d545c8272d8d1a11c926444a85c3

Analysis: behavioral1

Detonation Overview

Submitted

2024-12-16 22:00

Reported

2024-12-16 22:02

Platform

android-x86-arm-20240624-en

Max time kernel

121s

Max time network

132s

Command Line

com.kid.couch

Signatures

Cerberus

banker trojan infostealer evasion rat cerberus

Cerberus family

cerberus

Removes its main activity from the application launcher

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

Loads dropped Dex/Jar

evasion
Description Indicator Process Target
N/A /data/user/0/com.kid.couch/app_DynamicOptDex/RGc.json N/A N/A
N/A /data/user/0/com.kid.couch/app_DynamicOptDex/RGc.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.findAccessibilityNodeInfosByText 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 changing the default SMS application.

collection impact
Description Indicator Process Target
Intent action android.provider.Telephony.ACTION_CHANGE_DEFAULT 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

Tries to add a device administrator.

privilege_escalation impact
Description Indicator Process Target
Intent action android.app.action.ADD_DEVICE_ADMIN 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.kid.couch

/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.kid.couch/app_DynamicOptDex/RGc.json --output-vdex-fd=42 --oat-fd=43 --oat-location=/data/user/0/com.kid.couch/app_DynamicOptDex/oat/x86/RGc.odex --compiler-filter=quicken --class-loader-context=&

Network

Country Destination Domain Proto
N/A 224.0.0.251:5353 udp
GB 142.250.200.42:443 tcp
US 1.1.1.1:53 semanticlocation-pa.googleapis.com udp
GB 216.58.204.78:443 tcp
US 1.1.1.1:53 android.apis.google.com udp
GB 142.250.179.238:443 android.apis.google.com tcp
US 1.1.1.1:53 petkinssaps.ru udp

Files

/data/data/com.kid.couch/app_DynamicOptDex/RGc.json

MD5 59ff1dfe6a895706aeb0574f4c9f89b6
SHA1 61b818c0c2d5c8576d099e7f3adfee1f1fe56cbf
SHA256 17ece2eb3f091a1d0f34670d39df88bac31bc37892367a6c536c2bc6c4bb12c9
SHA512 caba4bd8935a8daa577c3cf54d7ce7c4a3da43cb134d1f54159b1e977c0a84b7ca95758ae7184ed68fcbc266532950359d3b04edd62e4cafbe73adf2c7ce7382

/data/data/com.kid.couch/app_DynamicOptDex/RGc.json

MD5 fe53c5bde06612f87def1eab5dca9be5
SHA1 719aa8bbec5cf1bd2bdf347ef1bb703947f5702c
SHA256 56a18fe936c584031d3b29058a57125949c3a82321a35b3aee93438616021213
SHA512 ea9ad3fe5155606c6718c5dc07ab220e49853f97b971e5642a414ff0f4f1638709363c2307b116a6f5f031a201e699dc20255752f3f07226e2f5fa2292176358

/data/user/0/com.kid.couch/app_DynamicOptDex/RGc.json

MD5 453d3411c90fe94cf39cf29f49ea4a04
SHA1 d48d0eb739f3dc991c45e0bfb869c6d851fed30b
SHA256 776dca8dff7f768acac158dfa7af50844dd7751448f2da279db06c06644014ff
SHA512 7a14c22d105422e09b021b79fcd32673e3e3bc6965439ec5a669a6c570be18104321a04e82508bf002e2c6b0dba6de5809fe45b4d9b0f15da12b2ddd41372d3b

/data/user/0/com.kid.couch/app_DynamicOptDex/RGc.json

MD5 a6b06880f97cb80722b7d31c5007b147
SHA1 5206431d7471d106e1a5ae695a4be298ae597912
SHA256 9227d59deb0156e03422e1251edd90160222e9e4decdd84276ce3a0f3f5115a8
SHA512 69f692e68969821859456841c2973ff7903000e70c8f8ef453cc66b138962b0f7a23d81893d6b2ad01ed7f421a1db3eb5a9c9da865bd1a77133233380f11d7d9

/data/data/com.kid.couch/app_DynamicOptDex/oat/RGc.json.cur.prof

MD5 2f490267ae248431542a5b099b5b3b5d
SHA1 f7599852d8b8ec2a35a76642972b5a781eb3c079
SHA256 8321111ed33e61b6d78f99fe85f1d44b475d6547b317947f47e3dd491936822a
SHA512 ab4fc33b403dcc929ea01ec822019961b25e4c969f990f50815d18e5e1844a56597e948fa421e0725ea81734e13b3a6afa242148082009e597a2081b1de30b49