Malware Analysis Report

2025-01-06 10:59

Sample ID 240603-fk3bpsdd88
Target 90991e18708f4af8ca86f1924a3bfe70_JaffaCakes118
SHA256 19bf2904f972666b60339198b7407f4fc2de3fee75d60e47c09ecde1b0eb3c7d
Tags
discovery evasion persistence
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

19bf2904f972666b60339198b7407f4fc2de3fee75d60e47c09ecde1b0eb3c7d

Threat Level: Shows suspicious behavior

The file 90991e18708f4af8ca86f1924a3bfe70_JaffaCakes118 was found to be: Shows suspicious behavior.

Malicious Activity Summary

discovery evasion persistence

Checks CPU information

Queries information about the current Wi-Fi connection

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

Checks memory information

Queries the mobile country code (MCC)

Checks if the internet connection is available

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

Requests dangerous framework permissions

Reads information about phone network operator.

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-03 04:56

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-03 04:56

Reported

2024-06-03 04:59

Platform

android-x86-arm-20240514-en

Max time kernel

64s

Max time network

130s

Command Line

com.servesilicon.heroes.vs.zombies

Signatures

Checks CPU information

evasion discovery
Description Indicator Process Target
File opened for read /proc/cpuinfo N/A N/A

Checks memory information

evasion discovery
Description Indicator Process Target
File opened for read /proc/meminfo 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

Queries the mobile country code (MCC)

discovery
Description Indicator Process Target
Framework service call com.android.internal.telephony.ITelephony.getNetworkCountryIsoForPhone 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

Checks if the internet connection is available

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

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

Description Indicator Process Target
N/A alog.umeng.com N/A N/A

Reads information about phone network operator.

discovery

Processes

com.servesilicon.heroes.vs.zombies

Network

Country Destination Domain Proto
N/A 224.0.0.251:5353 udp
US 1.1.1.1:53 www.chartboost.com udp
US 1.1.1.1:53 sdk.api.yiwan.com udp
GB 18.245.187.44:443 www.chartboost.com tcp
US 1.1.1.1:53 alog.umeng.com udp
CN 223.109.148.177:80 alog.umeng.com tcp
US 1.1.1.1:53 data.flurry.com udp
US 74.6.138.66:80 data.flurry.com tcp
GB 216.58.204.67:443 tcp
CN 223.109.148.130:80 alog.umeng.com tcp
GB 142.250.180.14:443 tcp
US 1.1.1.1:53 android.apis.google.com udp
GB 142.250.187.206:443 android.apis.google.com tcp
CN 223.109.148.178:80 alog.umeng.com tcp
CN 223.109.148.141:80 alog.umeng.com tcp
CN 223.109.148.176:80 alog.umeng.com tcp
CN 223.109.148.179:80 alog.umeng.com tcp
US 1.1.1.1:53 alog.umeng.co udp

Files

/data/data/com.servesilicon.heroes.vs.zombies/app_sslcache/www.chartboost.com.443

MD5 e8fcf2ffa313353caaab9866bf1d0264
SHA1 caea42adf734e23cac408a4ef435e4d01e1c3511
SHA256 bdda7b1a5546daab3f6f70cf97a2a512eeb394222f186fefbcbde7e54f884b8d
SHA512 2970be52b03e220962e00919a93e417f82bdc622ef19b29bee1a68f3b714337d0367cc76858a224b947752cfc94f4f20cea5d086354b5a3949ab790393526343

/data/data/com.servesilicon.heroes.vs.zombies/files/.flurryagent.47c0d26e

MD5 f8d68257ed1e837c78aa138b16197eb7
SHA1 3f342056275c9a7bbb70ed2e732991ffb788f0bf
SHA256 c417a899e9668b9989355e0c8a1b6abeb6a282fae66ef7101d0b5cef4612a8e7
SHA512 c72a8c431d4e8ee3ef4bfeb73fce088cedb1baf6f278d882e83ce22450bfe3563330889e90fffabf36e5f7e57cd897802a625c0e2ee114809114f00a64e61129

/data/data/com.servesilicon.heroes.vs.zombies/files/mobclick_agent_cached_com.servesilicon.heroes.vs.zombies

MD5 73f2f96b1d717b0162bd53769a595938
SHA1 b68be0657e7d4c0046aa1478826e19ed11a3fcc3
SHA256 18a7299160fde67254254d35456caed44c5fe082b61ac2e9eb36abebcd24195a
SHA512 9bbd43cfe78e366e19eba2142b6dfe5cf31cea786c2f0a833b65b0f9750a9f79a80e9de28562b8a013e24abb872c8bffc3ae618c041929dc0c1ec710a1bcce41