Malware Analysis Report

2025-01-19 08:01

Sample ID 240616-w4tfxasapf
Target b49210bc8de3ac1f869a4ef9afaa4c4e_JaffaCakes118
SHA256 129d713dacc3e022af75be408f5d5b04716b82e9900a1775145f8b232480fd79
Tags
discovery evasion impact persistence
score
8/10

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 Overview

score
8/10

SHA256

129d713dacc3e022af75be408f5d5b04716b82e9900a1775145f8b232480fd79

Threat Level: Likely malicious

The file b49210bc8de3ac1f869a4ef9afaa4c4e_JaffaCakes118 was found to be: Likely malicious.

Malicious Activity Summary

discovery evasion impact persistence

Checks if the Android device is rooted.

Queries information about active data network

Queries information about the current Wi-Fi connection

Requests dangerous framework permissions

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

Uses Crypto APIs (Might try to encrypt user data)

Checks memory information

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-16 18:29

Signatures

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 app to access approximate location. android.permission.ACCESS_COARSE_LOCATION N/A N/A
Allows an app to access approximate location. android.permission.ACCESS_COARSE_LOCATION N/A N/A
Allows an app to access precise location. android.permission.ACCESS_FINE_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 write to external storage. android.permission.WRITE_EXTERNAL_STORAGE 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 read from external storage. android.permission.READ_EXTERNAL_STORAGE N/A N/A
Required to be able to access the camera device. android.permission.CAMERA 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 receive SMS messages. android.permission.RECEIVE_SMS N/A N/A
Allows an app to access approximate location. android.permission.ACCESS_COARSE_LOCATION N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-16 18:28

Reported

2024-06-16 18:32

Platform

android-x86-arm-20240611.1-en

Max time kernel

8s

Max time network

130s

Command Line

com.dongyo.mydaily

Signatures

Checks if the Android device is rooted.

evasion
Description Indicator Process Target
N/A /system/app/Superuser.apk N/A N/A
N/A /sbin/su N/A N/A

Queries information about active data network

discovery
Description Indicator Process Target
Framework service call android.net.IConnectivityManager.getActiveNetworkInfo N/A N/A

Queries information about the current Wi-Fi connection

discovery
Description Indicator Process Target
Framework service call android.net.wifi.IWifiManager.getConnectionInfo 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

Checks memory information

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

Processes

com.dongyo.mydaily

/system/bin/sh -c type su

Network

Country Destination Domain Proto
N/A 224.0.0.251:5353 udp
US 1.1.1.1:53 android.bugly.qq.com udp
CN 14.22.7.140:80 android.bugly.qq.com tcp
GB 142.250.187.206:443 tcp
US 1.1.1.1:53 android.apis.google.com udp
GB 216.58.204.78:443 android.apis.google.com tcp

Files

/data/data/com.dongyo.mydaily/databases/bugly_db_legu-journal

MD5 ba4b5181b4dfb07246117d5ccd3aff79
SHA1 1acb00374bc73b431d7a5a47bc580cc78c0f1a86
SHA256 aee693609527ed688fb94a04794b53ced781b193ea5ea3b4b6c49ba867a97604
SHA512 b7fed381c7eb3d3284bcebbef1375b916bb0296319c037a584e6b6e1a16bcdadc3c4359d7e1a1b341f63ad8b7afe785a3694bdd5e7b174733deeaa1ba8f3b876

/data/data/com.dongyo.mydaily/databases/bugly_db_legu

MD5 f2b4b0190b9f384ca885f0c8c9b14700
SHA1 934ff2646757b5b6e7f20f6a0aa76c7f995d9361
SHA256 0a8ffb6b327963558716e87db8946016d143e39f895fa1b43e95ba7032ce2514
SHA512 ec12685fc0d60526eed4d38820aad95611f3e93ae372be5a57142d8e8a1ba17e6e5dfe381a4e1365dddc0b363c9c40daaffdc1245bd515fddac69bf1abacd7f1

/data/data/com.dongyo.mydaily/databases/bugly_db_legu-shm

MD5 bb7df04e1b0a2570657527a7e108ae23
SHA1 5188431849b4613152fd7bdba6a3ff0a4fd6424b
SHA256 c35020473aed1b4642cd726cad727b63fff2824ad68cedd7ffb73c7cbd890479
SHA512 768007e06b0cd9e62d50f458b9435c6dda0a6d272f0b15550f97c478394b743331c3a9c9236e09ab5b9cb3b423b2320a5d66eb3c7068db9ea37891ca40e47012

/data/data/com.dongyo.mydaily/databases/bugly_db_legu-wal

MD5 53848b1b7f7657fccbacbb55f4de34f9
SHA1 489e33a7c2d707739a066a5f6338a621ece8fb1b
SHA256 a309140c800dfa950a87c6392c4b0cb0e663fa69595f364610e8ff5a0505afb9
SHA512 c8e5d2f43e987866f4c6a854b24907789401d51ed12856d725fefef26d0818a38df7620e1a20d147428bb37a0fb784c89a12638d994d3ccd5bcdaf4e8e43d80b