Malware Analysis Report

2025-01-19 08:00

Sample ID 240616-zjad3s1cpn
Target b51d2f7f86d4d11c293dcbed9e916694_JaffaCakes118
SHA256 8a08913e537c3b6f872c9d12d56bd8db920f71d23502c9ab5bb507a45ae22cd9
Tags
discovery impact
score
6/10

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
6/10

SHA256

8a08913e537c3b6f872c9d12d56bd8db920f71d23502c9ab5bb507a45ae22cd9

Threat Level: Shows suspicious behavior

The file b51d2f7f86d4d11c293dcbed9e916694_JaffaCakes118 was found to be: Shows suspicious behavior.

Malicious Activity Summary

discovery impact

Requests dangerous framework permissions

Domain associated with commercial stalkerware software, includes indicators from echap.eu.org

Queries information about active data network

Uses Crypto APIs (Might try to encrypt user data)

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-16 20:44

Signatures

Requests dangerous framework permissions

Description Indicator Process Target
Allows an application to record audio. android.permission.RECORD_AUDIO N/A N/A
Allows an application to read or write the system settings. android.permission.WRITE_SETTINGS 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 see the number being dialed during an outgoing call with the option to redirect the call to a different number or abort the call altogether. android.permission.PROCESS_OUTGOING_CALLS N/A N/A
Required to be able to access the camera device. android.permission.CAMERA N/A N/A
Allows an application to write the user's contacts data. android.permission.WRITE_CONTACTS 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 read the user's contacts data. android.permission.READ_CONTACTS 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 an application to write to external storage. android.permission.WRITE_EXTERNAL_STORAGE N/A N/A
Allows an application to read from external storage. android.permission.READ_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 or write the system settings. android.permission.WRITE_SETTINGS N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-16 20:44

Reported

2024-06-16 20:47

Platform

android-x86-arm-20240611.1-en

Max time kernel

33s

Max time network

130s

Command Line

com.siwu.paimeetandroid

Signatures

Domain associated with commercial stalkerware software, includes indicators from echap.eu.org

Description Indicator Process Target
N/A f.appjiagu.com 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

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

Processes

com.siwu.paimeetandroid

chmod 755 /data/user/0/com.siwu.paimeetandroid/.jiagu/libjiagu.so

Network

Country Destination Domain Proto
N/A 224.0.0.251:5353 udp
US 1.1.1.1:53 f.appjiagu.com udp
CN 180.163.249.208:80 f.appjiagu.com tcp
CN 106.63.25.33:80 f.appjiagu.com tcp
CN 180.163.249.208:80 f.appjiagu.com tcp
GB 142.250.187.206:443 tcp
US 1.1.1.1:53 android.apis.google.com udp
GB 142.250.187.206:443 android.apis.google.com tcp
CN 106.63.25.33:80 f.appjiagu.com tcp
CN 180.163.249.208:80 f.appjiagu.com tcp
CN 106.63.25.33:80 f.appjiagu.com tcp

Files

/data/data/com.siwu.paimeetandroid/.jiagu/libjiagu.so

MD5 acd3a64e22c56dc0628edd7615a74ab4
SHA1 ec22ef7fa9dca4b475af2724d483bda140370ca7
SHA256 c57cffd4175fcd618f29d48eeba1b8b30e2bfd4ce9e05c6c5b0bc4378914d008
SHA512 ec93027efd827742d3f9db70c4d4aba51e817191ff888aa2337939f2ce518b98f1c1f7ed3d49d25d3bff47738f68ead6348b1b309c54a17e18c4460cc2142e3e