Malware Analysis Report

2024-09-09 17:59

Sample ID 240617-mqzaka1dlk
Target b8312c8dfa6bd99dfcd8692092b407d5_JaffaCakes118
SHA256 5ea2c4d06edf83c95baae020e52e29e7f61408644a61b03b0062944d0ca0f881
Tags
discovery evasion persistence stealth trojan impact privilege_escalation
score
8/10

Table of Contents

Analysis Overview

MITRE ATT&CK Matrix

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
8/10

SHA256

5ea2c4d06edf83c95baae020e52e29e7f61408644a61b03b0062944d0ca0f881

Threat Level: Likely malicious

The file b8312c8dfa6bd99dfcd8692092b407d5_JaffaCakes118 was found to be: Likely malicious.

Malicious Activity Summary

discovery evasion persistence stealth trojan impact privilege_escalation

Removes its main activity from the application launcher

Tries to add a device administrator.

Declares broadcast receivers with permission to handle system events

Requests dangerous framework permissions

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

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

MITRE ATT&CK Matrix

N/A

Analysis: static1

Detonation Overview

Reported

2024-06-17 10:40

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

Requests dangerous framework permissions

Description Indicator Process Target
Allows an app to access approximate location. android.permission.ACCESS_COARSE_LOCATION 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 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

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-17 10:40

Reported

2024-06-17 10:44

Platform

android-x64-20240611.1-en

Max time kernel

21s

Max time network

129s

Command Line

com.google.uioptimizer

Signatures

Removes its main activity from the application launcher

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

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

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

Processes

com.google.uioptimizer

com.google.uioptimizer:remote

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 142.250.179.232:443 ssl.google-analytics.com tcp
GB 142.250.178.10:443 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 fabriccrashlytics.com udp
US 1.1.1.1:53 semanticlocation-pa.googleapis.com udp
GB 216.58.201.106:443 semanticlocation-pa.googleapis.com tcp
GB 142.250.178.14:443 tcp
GB 216.58.201.98:443 tcp
GB 142.250.178.10:443 semanticlocation-pa.googleapis.com tcp
GB 142.250.179.228:443 tcp
GB 142.250.179.228:443 tcp
GB 216.58.213.14:443 tcp
GB 172.217.169.42:443 semanticlocation-pa.googleapis.com tcp
GB 172.217.169.42:443 semanticlocation-pa.googleapis.com tcp

Files

N/A

Analysis: behavioral3

Detonation Overview

Submitted

2024-06-17 10:40

Reported

2024-06-17 10:44

Platform

android-x64-arm64-20240611.1-en

Max time kernel

14s

Max time network

170s

Command Line

com.google.uioptimizer

Signatures

Removes its main activity from the application launcher

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

Processes

com.google.uioptimizer

com.google.uioptimizer:remote

Network

Country Destination Domain Proto
GB 172.217.16.238:443 tcp
GB 172.217.16.238:443 tcp
N/A 224.0.0.251:5353 udp
US 1.1.1.1:53 ssl.google-analytics.com udp
GB 216.58.213.8:443 ssl.google-analytics.com tcp
US 1.1.1.1:53 fabriccrashlytics.com udp
GB 172.217.169.68:443 tcp
GB 172.217.169.68:443 tcp
GB 142.250.187.206:443 tcp
GB 142.250.180.2:443 tcp

Files

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-17 10:40

Reported

2024-06-17 10:44

Platform

android-x86-arm-20240611.1-en

Max time kernel

17s

Max time network

131s

Command Line

com.google.uioptimizer

Signatures

Removes its main activity from the application launcher

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

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

Processes

com.google.uioptimizer

com.google.uioptimizer:remote

Network

Country Destination Domain Proto
N/A 224.0.0.251:5353 udp
US 1.1.1.1:53 fabriccrashlytics.com udp
GB 216.58.204.78:443 tcp
US 1.1.1.1:53 android.apis.google.com udp
GB 142.250.187.206:443 android.apis.google.com tcp
US 1.1.1.1:53 semanticlocation-pa.googleapis.com udp
GB 142.250.178.10:443 semanticlocation-pa.googleapis.com tcp

Files

N/A