Malware Analysis Report

2025-01-19 06:54

Sample ID 240523-se9vtafb9s
Target 6b53e1eefb9f15ad14837b15020ae2e1_JaffaCakes118
SHA256 996ca08a176d2a5918b02596f572605109365c102bc4c422636f540e1c481ac7
Tags
discovery evasion persistence collection credential_access 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: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral3

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
7/10

SHA256

996ca08a176d2a5918b02596f572605109365c102bc4c422636f540e1c481ac7

Threat Level: Shows suspicious behavior

The file 6b53e1eefb9f15ad14837b15020ae2e1_JaffaCakes118 was found to be: Shows suspicious behavior.

Malicious Activity Summary

discovery evasion persistence collection credential_access impact

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

Obtains sensitive information copied to the device clipboard

Checks CPU information

Checks memory information

Queries the mobile country code (MCC)

Checks if the internet connection is available

Reads information about phone network operator.

Requests dangerous framework permissions

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-05-23 15:03

Signatures

Requests dangerous framework permissions

Description Indicator Process Target
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

Analysis: behavioral1

Detonation Overview

Submitted

2024-05-23 15:03

Reported

2024-05-23 15:08

Platform

android-x86-arm-20240514-en

Max time kernel

126s

Max time network

147s

Command Line

com.xinyongka.kuaiban

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 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

Reads information about phone network operator.

discovery

Processes

com.xinyongka.kuaiban

Network

Country Destination Domain Proto
GB 142.250.187.195:443 tcp
N/A 224.0.0.251:5353 udp
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 8.yun.haodai.com udp
US 1.1.1.1:53 daikuan.shenyingyong.com udp
CN 223.109.148.130:80 alog.umeng.com tcp
GB 142.250.180.14:443 tcp
GB 142.250.180.14:443 tcp
US 1.1.1.1:53 android.apis.google.com udp
GB 142.250.187.238:443 android.apis.google.com tcp
CN 223.109.148.176:80 alog.umeng.com tcp
CN 223.109.148.179:80 alog.umeng.com tcp
CN 223.109.148.178:80 alog.umeng.com tcp
CN 223.109.148.141:80 alog.umeng.com tcp
US 1.1.1.1:53 alog.umeng.co udp

Files

/data/data/com.xinyongka.kuaiban/files/mobclick_agent_cached_com.xinyongka.kuaiban

MD5 9c2ec300f385a6f64059d8d701b3a6ce
SHA1 c5aa7b1bc3717890b027dd352abadaa70d15670e
SHA256 519f2eb49ccf334fbe27bc353ab1b74c304eac0047afedac98d3756cd19b3881
SHA512 faaf395df7d6402bb9577c2f3a2d89fe0c2447e24bbccdc97c852ebf6aee7330f3b646d4573024eb2fbe78827a67b89b866850fad0e1707bc2d6521f12a3ecba

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-23 15:03

Reported

2024-05-23 15:06

Platform

android-x64-20240514-en

Max time kernel

127s

Max time network

131s

Command Line

com.xinyongka.kuaiban

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

Obtains sensitive information copied to the device clipboard

collection credential_access impact
Description Indicator Process Target
Framework service call android.content.IClipboard.addPrimaryClipChangedListener 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

Reads information about phone network operator.

discovery

Processes

com.xinyongka.kuaiban

Network

Country Destination Domain Proto
N/A 224.0.0.251:5353 udp
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 ssl.google-analytics.com udp
GB 172.217.169.72:443 ssl.google-analytics.com tcp
US 1.1.1.1:53 daikuan.shenyingyong.com udp
US 1.1.1.1:53 8.yun.haodai.com udp
US 1.1.1.1:53 android.apis.google.com udp
GB 216.58.212.238:443 android.apis.google.com tcp
GB 216.58.213.14:443 tcp
CN 223.109.148.130:80 alog.umeng.com tcp
CN 223.109.148.178:80 alog.umeng.com tcp
GB 216.58.212.194:443 tcp
GB 142.250.180.14:443 tcp
CN 223.109.148.141:80 alog.umeng.com tcp
CN 223.109.148.179:80 alog.umeng.com tcp
GB 142.250.180.4:443 tcp
GB 142.250.180.4:443 tcp
CN 223.109.148.176:80 alog.umeng.com tcp
US 1.1.1.1:53 alog.umeng.co udp

Files

/data/data/com.xinyongka.kuaiban/files/mobclick_agent_cached_com.xinyongka.kuaiban

MD5 1db83ede69d7ec3e5aeafb5ede2e5bd7
SHA1 d94d14c9181dbf543b5706fda4fd25e8b5921f9b
SHA256 d0c1c715eba072ad3193dc7e9de6123103c7ae99a8010171fca18999fd75bfe2
SHA512 c18106e839852a99bc0146fb42ed6940c6e69a6fdd6edd871354303c1adc321ade8bf15e4be551eb5de714803d21bffa6db20eea8b766eeff61406faaa20e4c8

Analysis: behavioral3

Detonation Overview

Submitted

2024-05-23 15:03

Reported

2024-05-23 15:06

Platform

android-x64-arm64-20240514-en

Max time kernel

121s

Max time network

131s

Command Line

com.xinyongka.kuaiban

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

Obtains sensitive information copied to the device clipboard

collection credential_access impact
Description Indicator Process Target
Framework service call android.content.IClipboard.addPrimaryClipChangedListener 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

Reads information about phone network operator.

discovery

Processes

com.xinyongka.kuaiban

Network

Country Destination Domain Proto
N/A 224.0.0.251:5353 udp
GB 172.217.16.238:443 tcp
US 1.1.1.1:53 android.apis.google.com udp
GB 142.250.179.238:443 android.apis.google.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 ssl.google-analytics.com udp
GB 142.250.178.8:443 ssl.google-analytics.com tcp
US 1.1.1.1:53 8.yun.haodai.com udp
US 1.1.1.1:53 daikuan.shenyingyong.com udp
GB 216.58.201.100:443 tcp
GB 216.58.201.100:443 tcp

Files

N/A