Malware Analysis Report

2025-01-19 08:00

Sample ID 240616-ynmpjayfkr
Target b4ec317400d84f856ae65e4da1a9cb67_JaffaCakes118
SHA256 f5d1ca55b216f9a3cdb99459b041f4154d5064c400039d282fd7e548105a1787
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: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
6/10

SHA256

f5d1ca55b216f9a3cdb99459b041f4154d5064c400039d282fd7e548105a1787

Threat Level: Shows suspicious behavior

The file b4ec317400d84f856ae65e4da1a9cb67_JaffaCakes118 was found to be: Shows suspicious behavior.

Malicious Activity Summary

discovery impact

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

Queries information about active data network

Requests dangerous framework permissions

Uses Crypto APIs (Might try to encrypt user data)

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-16 19:56

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 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 an application to read or write the system settings. android.permission.WRITE_SETTINGS 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 write the user's contacts data. android.permission.WRITE_CONTACTS 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 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 record audio. android.permission.RECORD_AUDIO N/A N/A
Required to be able to access the camera device. android.permission.CAMERA N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-16 19:56

Reported

2024-06-16 19:59

Platform

android-x86-arm-20240611.1-en

Max time kernel

34s

Max time network

139s

Command Line

com.lj.lss

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.lj.lss

chmod 755 /data/user/0/com.lj.lss/.jiagu/libjiagu.so

chmod 755 /data/user/0/com.lj.lss/.jiagu/libjiagu.so

/system/bin/dex2oat --instruction-set=x86 --dex-file=/data/data/com.lj.lss/.jiagu/classes.dex --dex-file=/data/data/com.lj.lss/.jiagu/classes.dex!classes2.dex --dex-file=/data/data/com.lj.lss/.jiagu/classes.dex!classes3.dex --oat-file=/data/data/com.lj.lss/.jiagu/oat/x86/classes.odex --inline-max-code-units=0 --compiler-filter=speed

Network

Country Destination Domain Proto
N/A 224.0.0.251:5353 udp
GB 216.58.201.106:443 tcp
US 1.1.1.1:53 semanticlocation-pa.googleapis.com 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 216.58.212.238:443 tcp
US 1.1.1.1:53 android.apis.google.com udp
GB 142.250.200.46:443 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.lj.lss/.jiagu/libjiagu.so

MD5 6c9d83b90aa9c9f904d22eb9b16f8f95
SHA1 4d5e0ce3c55a22475b58a982d67ab9aa84384c40
SHA256 2432ac0b864b33cd599129578c42c43811461dbcb83e2a21301ccb8d0810c5e7
SHA512 07d16f67cefc986c0d6974e3bbc38d95b5b184520ec8f3c9ae59a2f0e76213d359b35dc507d482322d2c045ee75183def8e3d7659ff5fa78f6afff931084e90b

/data/data/com.lj.lss/.jiagu/classes.dex

MD5 de1934fdac9ac192bbb3296dc745e46e
SHA1 291bf6fbda6ed83e8b339c99a67b28550cfef7dc
SHA256 956d7c3e5d26cc65ea7140c4f6576e3913306f4ee835bcfe19d18b4ad0518d71
SHA512 0b893486fa90e7eab68de233c164746f8af88ed808a47b0f7815c9b04cf7b3ea55bc9b8868caa12333b121d74f1755a5c656947269c5771d4c574a2cb2c8b900

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-16 19:56

Reported

2024-06-16 19:59

Platform

android-x64-arm64-20240611.1-en

Max time kernel

33s

Max time network

132s

Command Line

com.lj.lss

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.lj.lss

Network

Country Destination Domain Proto
N/A 224.0.0.251:5353 udp
GB 142.250.187.238:443 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 f.appjiagu.com udp
CN 180.163.249.208:80 f.appjiagu.com tcp
US 1.1.1.1:53 ssl.google-analytics.com udp
GB 142.250.200.40:443 ssl.google-analytics.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
CN 180.163.249.208:80 f.appjiagu.com tcp
CN 106.63.25.33:80 f.appjiagu.com tcp
GB 142.250.180.4:443 tcp
GB 142.250.180.4:443 tcp

Files

/data/user/0/com.lj.lss/.jiagu/libjiagu_64.so

MD5 700c4805546b91b4b67c68d0f61645cc
SHA1 0d95f797434316c92a0ca6ce62f7f7bc8e346479
SHA256 b3e78d93e35c4c35d7e62acca8d7503da85a7c0eb8d8dbce1f3e0f58de1bbe63
SHA512 909a9570f3f90bb8da63b4f387729f284c9f9dde8997f70f0671b0bbb113780f96cd885e3ba01ed6b602cebef2ca406008c486e924fe989ddf5f9470fb4633f8

/data/user/0/com.lj.lss/.jiagu/libjiagu.so

MD5 6c9d83b90aa9c9f904d22eb9b16f8f95
SHA1 4d5e0ce3c55a22475b58a982d67ab9aa84384c40
SHA256 2432ac0b864b33cd599129578c42c43811461dbcb83e2a21301ccb8d0810c5e7
SHA512 07d16f67cefc986c0d6974e3bbc38d95b5b184520ec8f3c9ae59a2f0e76213d359b35dc507d482322d2c045ee75183def8e3d7659ff5fa78f6afff931084e90b