Malware Analysis Report

2025-01-19 05:12

Sample ID 241212-1zn3vaypbv
Target a882e22d1b6ea38cbe565ff252757c2f679cbe43d15b8f63bfcc5b045814bf21.bin
SHA256 a882e22d1b6ea38cbe565ff252757c2f679cbe43d15b8f63bfcc5b045814bf21
Tags
cerberus banker collection credential_access discovery evasion impact infostealer persistence rat stealth trojan
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

a882e22d1b6ea38cbe565ff252757c2f679cbe43d15b8f63bfcc5b045814bf21

Threat Level: Known bad

The file a882e22d1b6ea38cbe565ff252757c2f679cbe43d15b8f63bfcc5b045814bf21.bin was found to be: Known bad.

Malicious Activity Summary

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

Cerberus family

Cerberus

Removes its main activity from the application launcher

Queries the phone number (MSISDN for GSM devices)

Loads dropped Dex/Jar

Makes use of the framework's Accessibility service

Obtains sensitive information copied to the device clipboard

Queries the mobile country code (MCC)

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

Declares broadcast receivers with permission to handle system events

Requests dangerous framework permissions

Declares services with permission to bind to the system

Performs UI accessibility actions on behalf of the user

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

2024-12-12 22:05

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

Analysis: behavioral2

Detonation Overview

Submitted

2024-12-12 22:05

Reported

2024-12-12 22:08

Platform

android-x64-20240910-en

Max time kernel

40s

Max time network

162s

Command Line

com.kiss.lesson

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

Loads dropped Dex/Jar

evasion
Description Indicator Process Target
N/A /data/user/0/com.kiss.lesson/app_DynamicOptDex/KqjBjOU.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.kiss.lesson

Network

Country Destination Domain Proto
N/A 224.0.0.251:5353 udp
GB 142.250.200.10:443 tcp
GB 216.58.212.238:443 tcp
GB 142.250.180.14:443 tcp
GB 216.58.212.206:443 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 freeiconshop.com udp
US 1.1.1.1:53 pngimage.net udp
US 172.67.140.187:443 pngimage.net tcp
US 195.179.237.77:443 freeiconshop.com tcp
US 1.1.1.1:53 ssl.google-analytics.com udp
GB 216.58.201.104:443 ssl.google-analytics.com tcp
US 5.161.217.34:80 5.161.217.34 tcp
US 5.161.217.34:80 5.161.217.34 tcp
US 5.161.217.34:80 5.161.217.34 tcp
US 5.161.217.34:80 5.161.217.34 tcp
US 5.161.217.34:80 5.161.217.34 tcp
US 5.161.217.34:80 5.161.217.34 tcp

Files

/data/data/com.kiss.lesson/app_DynamicOptDex/KqjBjOU.json

MD5 0a37ad2e4b08c779b6b5394b62558004
SHA1 d6bb04e4f3f7c5b6d63dbd88d0356bd4da4824bb
SHA256 e5e6fa459eb49deb6404f7f0ef11c44123f4ac849a69de8ec9b2aaac4bd26e5f
SHA512 c1e83ac84405868fda0b49c128992c8b7dccea3360aebf34f51fa6f7d132feae1683cbeae8eb7f105e02186744a2228b51118c9e505cc71338278c337b92d191

/data/data/com.kiss.lesson/app_DynamicOptDex/KqjBjOU.json

MD5 eda7acbea8ffa9aed628c9a0d5ef46f5
SHA1 6a1f31ef9050e63e2b37398600171944fd19c828
SHA256 1247066411d4cefc353508c8a324a846f0d96beff0ab63abe5452e4ae7f7b1fa
SHA512 0ce386bc52763f8f0c0b26d1d0ea21a1c8156ebd8adba941ca6635640e34891a76e96d6fa6ef748b20d66d3bb9ffa64e42ae41bf891253df0afd974eb561f3b5

/data/user/0/com.kiss.lesson/app_DynamicOptDex/KqjBjOU.json

MD5 2597967b27a832a4a0fae00c3bfec0c8
SHA1 964992e5b1e5858a12fe78ba0cc97e7f8c43e47d
SHA256 4bcf149f3b76df0ec62c90580633925436cd7dddf30b932c99fdedfc26bf4b32
SHA512 809eb84ffec82d59eeb6b60c9ad80e32c08a7e7b68706c8a7fe5f13063149234813f64629766c4f768cf8fe9a6bde8ead1e1fceff0a3f8bf123844cb7970a0ea

Analysis: behavioral3

Detonation Overview

Submitted

2024-12-12 22:05

Reported

2024-12-12 22:08

Platform

android-x64-arm64-20240910-en

Max time kernel

48s

Max time network

157s

Command Line

com.kiss.lesson

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

Loads dropped Dex/Jar

evasion
Description Indicator Process Target
N/A /data/user/0/com.kiss.lesson/app_DynamicOptDex/KqjBjOU.json N/A N/A
N/A [anon:dalvik-classes.dex extracted in memory from /data/user/0/com.kiss.lesson/app_DynamicOptDex/KqjBjOU.json] N/A N/A
N/A [anon:dalvik-classes.dex extracted in memory from /data/user/0/com.kiss.lesson/app_DynamicOptDex/KqjBjOU.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

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.kiss.lesson

Network

Country Destination Domain Proto
N/A 224.0.0.251:5353 udp
GB 142.250.187.206:443 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 www.youtube.com udp
GB 216.58.212.206:443 www.youtube.com udp
GB 216.58.212.206:443 www.youtube.com tcp
GB 142.250.179.238:443 www.youtube.com tcp
US 216.239.32.223:443 tcp
US 1.1.1.1:53 pngimage.net udp
US 1.1.1.1:53 freeiconshop.com udp
US 172.67.140.187:443 pngimage.net tcp
US 195.179.237.77:443 freeiconshop.com tcp
US 195.179.237.77:443 freeiconshop.com tcp
US 1.1.1.1:53 ssl.google-analytics.com udp
GB 142.250.200.40:443 ssl.google-analytics.com tcp
US 5.161.217.34:80 5.161.217.34 tcp
US 5.161.217.34:80 5.161.217.34 tcp
US 5.161.217.34:80 5.161.217.34 tcp
US 5.161.217.34:80 5.161.217.34 tcp
US 5.161.217.34:80 5.161.217.34 tcp
US 5.161.217.34:80 5.161.217.34 tcp
US 5.161.217.34:80 5.161.217.34 tcp
US 5.161.217.34:80 5.161.217.34 tcp
US 5.161.217.34:80 5.161.217.34 tcp
US 5.161.217.34:80 5.161.217.34 tcp
US 5.161.217.34:80 5.161.217.34 tcp
GB 172.217.16.238:443 www.youtube.com tcp
GB 142.250.187.225:443 tcp
US 216.239.32.223:443 tcp
GB 142.250.178.1:443 tcp
US 216.239.32.223:443 tcp

Files

/data/data/com.kiss.lesson/app_DynamicOptDex/KqjBjOU.json

MD5 0a37ad2e4b08c779b6b5394b62558004
SHA1 d6bb04e4f3f7c5b6d63dbd88d0356bd4da4824bb
SHA256 e5e6fa459eb49deb6404f7f0ef11c44123f4ac849a69de8ec9b2aaac4bd26e5f
SHA512 c1e83ac84405868fda0b49c128992c8b7dccea3360aebf34f51fa6f7d132feae1683cbeae8eb7f105e02186744a2228b51118c9e505cc71338278c337b92d191

/data/data/com.kiss.lesson/app_DynamicOptDex/KqjBjOU.json

MD5 eda7acbea8ffa9aed628c9a0d5ef46f5
SHA1 6a1f31ef9050e63e2b37398600171944fd19c828
SHA256 1247066411d4cefc353508c8a324a846f0d96beff0ab63abe5452e4ae7f7b1fa
SHA512 0ce386bc52763f8f0c0b26d1d0ea21a1c8156ebd8adba941ca6635640e34891a76e96d6fa6ef748b20d66d3bb9ffa64e42ae41bf891253df0afd974eb561f3b5

/data/user/0/com.kiss.lesson/app_DynamicOptDex/KqjBjOU.json

MD5 2597967b27a832a4a0fae00c3bfec0c8
SHA1 964992e5b1e5858a12fe78ba0cc97e7f8c43e47d
SHA256 4bcf149f3b76df0ec62c90580633925436cd7dddf30b932c99fdedfc26bf4b32
SHA512 809eb84ffec82d59eeb6b60c9ad80e32c08a7e7b68706c8a7fe5f13063149234813f64629766c4f768cf8fe9a6bde8ead1e1fceff0a3f8bf123844cb7970a0ea

/data/data/com.kiss.lesson/app_DynamicOptDex/oat/KqjBjOU.json.cur.prof

MD5 3499fbff3b91bbab57eb935092de754a
SHA1 dc48ffe63250faec9de66f6635c42961003fc85a
SHA256 9d9b3d0ad6b3ea8067496a03747cbc80150a8b54ca1b243b7abae5eba6089044
SHA512 7bd3039518bf84ec740c96f008460a1054a96afd93b0fec2c8d91e868e1c869534eb0451aa77f9bb8486c01a3ee6f8dcc1ea471b04ae984bddd8788e8e3dd8bb

Analysis: behavioral1

Detonation Overview

Submitted

2024-12-12 22:05

Reported

2024-12-12 22:08

Platform

android-x86-arm-20240624-en

Max time kernel

67s

Max time network

82s

Command Line

com.kiss.lesson

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

Loads dropped Dex/Jar

evasion
Description Indicator Process Target
N/A /data/user/0/com.kiss.lesson/app_DynamicOptDex/KqjBjOU.json N/A N/A
N/A /data/user/0/com.kiss.lesson/app_DynamicOptDex/KqjBjOU.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.kiss.lesson

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

Network

Country Destination Domain Proto
GB 142.250.180.10:443 tcp
US 1.1.1.1:53 semanticlocation-pa.googleapis.com udp
US 1.1.1.1:53 pngimage.net udp
US 1.1.1.1:53 freeiconshop.com udp
US 172.67.140.187:443 pngimage.net tcp
US 195.179.237.77:443 freeiconshop.com tcp
GB 216.58.201.110:443 tcp
US 1.1.1.1:53 android.apis.google.com udp
GB 142.250.200.14:443 android.apis.google.com tcp
US 5.161.217.34:80 5.161.217.34 tcp
US 5.161.217.34:80 5.161.217.34 tcp

Files

/data/data/com.kiss.lesson/app_DynamicOptDex/KqjBjOU.json

MD5 0a37ad2e4b08c779b6b5394b62558004
SHA1 d6bb04e4f3f7c5b6d63dbd88d0356bd4da4824bb
SHA256 e5e6fa459eb49deb6404f7f0ef11c44123f4ac849a69de8ec9b2aaac4bd26e5f
SHA512 c1e83ac84405868fda0b49c128992c8b7dccea3360aebf34f51fa6f7d132feae1683cbeae8eb7f105e02186744a2228b51118c9e505cc71338278c337b92d191

/data/data/com.kiss.lesson/app_DynamicOptDex/KqjBjOU.json

MD5 eda7acbea8ffa9aed628c9a0d5ef46f5
SHA1 6a1f31ef9050e63e2b37398600171944fd19c828
SHA256 1247066411d4cefc353508c8a324a846f0d96beff0ab63abe5452e4ae7f7b1fa
SHA512 0ce386bc52763f8f0c0b26d1d0ea21a1c8156ebd8adba941ca6635640e34891a76e96d6fa6ef748b20d66d3bb9ffa64e42ae41bf891253df0afd974eb561f3b5

/data/user/0/com.kiss.lesson/app_DynamicOptDex/KqjBjOU.json

MD5 2597967b27a832a4a0fae00c3bfec0c8
SHA1 964992e5b1e5858a12fe78ba0cc97e7f8c43e47d
SHA256 4bcf149f3b76df0ec62c90580633925436cd7dddf30b932c99fdedfc26bf4b32
SHA512 809eb84ffec82d59eeb6b60c9ad80e32c08a7e7b68706c8a7fe5f13063149234813f64629766c4f768cf8fe9a6bde8ead1e1fceff0a3f8bf123844cb7970a0ea

/data/user/0/com.kiss.lesson/app_DynamicOptDex/KqjBjOU.json

MD5 b49b9bfbbef6c79252d7889343c4c261
SHA1 3b0ab234a0346c228ad76dab764e6363fd53c094
SHA256 739e6ae135b74189598e1414a70963929613e75eb063bb4ad14e35e2d037d92a
SHA512 b2c8262a7b0aebe7c5fdc35b322598127eac8d0abfaf92ddf41622d3d3beaed94650a837b0da94ea0cd416babee7c1da7b1fb4c7c0b378f2e2b0b3a56252e5ec

/data/data/com.kiss.lesson/app_DynamicOptDex/oat/KqjBjOU.json.cur.prof

MD5 3c421a58f94b31e6b97a6cf72e059c17
SHA1 5ebd8d007142d8940910de1cfa71ff7a07f1c388
SHA256 9d3f62a6e33fe144a0618fd95999e82d42474832fa82d27744aba29274cea5e6
SHA512 d5639b8027083db34c5e2d40286a93c278006bf41ef3c55a6685d6a644d9256a6929b03f32b9cf828cbc69cfe8388e268828e401f7bebfb4dee813c639371c9c