Malware Analysis Report

2024-11-16 10:45

Sample ID 240603-kjxgaaaf23
Target 9125fad9ebfe832d37e2ada246ae4fc5_JaffaCakes118
SHA256 69079bb610d520c8f15d0e61b84a028e094b51496284b51575d1b7a661c0a61f
Tags
discovery evasion impact
score
7/10

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
7/10

SHA256

69079bb610d520c8f15d0e61b84a028e094b51496284b51575d1b7a661c0a61f

Threat Level: Shows suspicious behavior

The file 9125fad9ebfe832d37e2ada246ae4fc5_JaffaCakes118 was found to be: Shows suspicious behavior.

Malicious Activity Summary

discovery evasion impact

Loads dropped Dex/Jar

Requests dangerous framework permissions

Checks if the internet connection is available

Uses Crypto APIs (Might try to encrypt user data)

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-03 08:38

Signatures

Requests dangerous framework permissions

Description Indicator Process Target
Allows an application to write to external storage. android.permission.WRITE_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 write to external storage. android.permission.WRITE_EXTERNAL_STORAGE N/A N/A
Allows an app to access approximate location. android.permission.ACCESS_COARSE_LOCATION N/A N/A
Required to be able to access the camera device. android.permission.CAMERA 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 from external storage. android.permission.READ_EXTERNAL_STORAGE N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-03 08:38

Reported

2024-06-03 08:41

Platform

android-x86-arm-20240514-en

Max time kernel

9s

Max time network

130s

Command Line

com.lfk.tiycpl

Signatures

Loads dropped Dex/Jar

evasion
Description Indicator Process Target
N/A /data/user/0/com.lfk.tiycpl/files/less/ZfUBcE.jar N/A N/A
N/A /data/user/0/com.lfk.tiycpl/files/less/ZfUBcE.jar N/A N/A

Checks if the internet connection is available

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.lfk.tiycpl

/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.lfk.tiycpl/files/less/ZfUBcE.jar --output-vdex-fd=44 --oat-fd=45 --oat-location=/data/user/0/com.lfk.tiycpl/files/less/oat/x86/ZfUBcE.odex --compiler-filter=quicken --class-loader-context=&

Network

Country Destination Domain Proto
GB 216.58.213.3:443 tcp
GB 142.250.200.14:443 tcp
N/A 224.0.0.251:5353 udp
CN 116.62.181.149:8080 tcp
GB 172.217.169.14:443 tcp
US 1.1.1.1:53 android.apis.google.com udp
GB 142.250.187.206:443 android.apis.google.com tcp

Files

/data/data/com.lfk.tiycpl/files/less/ZfUBcE.jar

MD5 c340484fa8416929480d3b0b6d191f55
SHA1 4346646c8c1bc10ebce013289025e002d755d668
SHA256 4e65e614f5f2f438a2307dd693dbaf9c0b0f2cb03588826904f35bc2f7a96965
SHA512 7b4f9b95f5924476ff09f23f12581797764ad0d9b5dd22d3732a8907a5a33bf6759a6534dcf32d0c8044a0ec24adf24cfc9fcb1c5068662669e77267ef15b075

/data/user/0/com.lfk.tiycpl/files/less/ZfUBcE.jar

MD5 5d9aa2b3757c19de41687e710bf75da9
SHA1 898004702420c5ee65e81360997bfd361ab5682e
SHA256 a99f45c2732a7c907586f35745bf9ab1211b227c1d81b0a17b4ee8b3593426fd
SHA512 44530d5d1fd229566f01ff933871f3ae7fd254d92f81b8df4b9312743df42bd1fa4daa61e6e082f16a0a808d56ee04949c210e8ce10c6dd0e206c05018346e10

/data/user/0/com.lfk.tiycpl/files/less/ZfUBcE.jar

MD5 9dd06fa132f4c31605776e7889df91a3
SHA1 c9a5ac001fb1d553492eae18c9f6c9c85464a143
SHA256 7da8cf9c8d707d20223ea45a304ed9833956592a949b704318932ed9fbcbe665
SHA512 142add63093ce2c40236bf6132e15581d456d79d0903c1213a20a125979fc7f62d0df4dc1de75412c1d8c6419fd8f508a06e9c2e43d915cc8d37e562e3dcff3f