Malware Analysis Report

2025-08-11 07:09

Sample ID 241017-q7frbszelh
Target 52486ffd19962d05d3d497ff8f417cf2_JaffaCakes118
SHA256 7ce7e1472f5d44c43eacf58954d1336f8acbe6b843a45354f369ce337617d383
Tags
banker discovery impact 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: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
7/10

SHA256

7ce7e1472f5d44c43eacf58954d1336f8acbe6b843a45354f369ce337617d383

Threat Level: Shows suspicious behavior

The file 52486ffd19962d05d3d497ff8f417cf2_JaffaCakes118 was found to be: Shows suspicious behavior.

Malicious Activity Summary

banker discovery impact persistence

Queries a list of all the installed applications on the device (Might be used in an attempt to overlay legitimate apps)

Requests dangerous framework permissions

Queries information about active data network

Queries the mobile country code (MCC)

Reads information about phone network operator.

Queries information about the current Wi-Fi connection

Queries the unique device ID (IMEI, MEID, IMSI)

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

Uses Crypto APIs (Might try to encrypt user data)

Checks memory information

Checks CPU information

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-10-17 13:53

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 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
Required to be able to access the camera device. android.permission.CAMERA N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-10-17 13:53

Reported

2024-10-17 13:56

Platform

android-x86-arm-20240624-en

Max time kernel

57s

Max time network

133s

Command Line

com.huanzan.app

Signatures

Queries a list of all the installed applications on the device (Might be used in an attempt to overlay legitimate apps)

banker discovery

Queries information about active data network

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

Queries the unique device ID (IMEI, MEID, IMSI)

discovery

Reads information about phone network operator.

discovery

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

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

Checks CPU information

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

Checks memory information

Description Indicator Process Target
File opened for read /proc/meminfo N/A N/A

Processes

com.huanzan.app

Network

Country Destination Domain Proto
N/A 224.0.0.251:5353 udp
US 1.1.1.1:53 stream.dcloud.net.cn udp
CN 124.220.62.197:80 stream.dcloud.net.cn tcp
US 1.1.1.1:53 service.dcloud.net.cn udp
CN 124.220.57.196:443 service.dcloud.net.cn tcp
US 1.1.1.1:53 wap.huanzan.com udp
CN 124.220.57.196:443 service.dcloud.net.cn tcp
CN 124.220.154.50:80 stream.dcloud.net.cn tcp
CN 110.40.169.99:443 service.dcloud.net.cn tcp
CN 110.40.169.99:443 service.dcloud.net.cn tcp
CN 124.222.232.63:80 stream.dcloud.net.cn tcp
CN 110.40.181.119:443 service.dcloud.net.cn tcp
CN 110.40.181.119:443 service.dcloud.net.cn tcp
GB 216.58.204.78:443 tcp
US 1.1.1.1:53 android.apis.google.com udp
GB 142.250.200.14:443 android.apis.google.com tcp
CN 150.158.157.83:80 stream.dcloud.net.cn tcp
CN 111.229.199.57:443 service.dcloud.net.cn tcp
CN 111.229.199.57:443 service.dcloud.net.cn tcp
CN 43.142.22.58:80 stream.dcloud.net.cn tcp
CN 115.159.204.155:443 service.dcloud.net.cn tcp
CN 115.159.204.155:443 service.dcloud.net.cn tcp
CN 43.142.67.81:80 stream.dcloud.net.cn tcp
CN 43.142.150.110:80 stream.dcloud.net.cn tcp
CN 43.142.166.20:80 stream.dcloud.net.cn tcp
CN 49.234.42.40:80 stream.dcloud.net.cn tcp
CN 49.234.44.193:80 stream.dcloud.net.cn tcp
CN 115.159.41.92:80 stream.dcloud.net.cn tcp
US 1.1.1.1:53 stream.mobihtml5.com udp

Files

/storage/emulated/0/.imei.txt

MD5 c865029b75a8d17344a7940886fdccb5
SHA1 fa2af422abec7abca583faca9c9e3a7a24da2ea2
SHA256 1438ede326052ac3396567fc4d038042ce8c2d2329d6d988872d57266075bbdf
SHA512 2bdac529093f12ceb03d42233954592cec9aff56c63d4c7bc16c818a29926f14eaa0332672226f242d8d8be07811731ffeca57f2c447abfaa0144643cf2c9d20

/data/data/com.huanzan.app/shared_prefs_ext/test_app

MD5 1b77cead9372e196b8a150ef3863cb46
SHA1 40a325a1e979558130068a2d4271a78820954ea9
SHA256 38573b031333b42a8e803c59a9f8d4a142cacd2f888e86009855de5062b71e16
SHA512 35193d69b0092c481c4d1c26fcd97e67df94e2dbf1166ee6f0e372976fe9b5ff7a32a684908d0701ee47c8852e34664fba6b10fa02f171f6bd76aac456b8b757

/data/data/com.huanzan.app/files/cnc3ejE6/eje3cnc

MD5 585839d66722cfd02e40cb740cccb633
SHA1 374c19200fee201b26d0153487a281a934615884
SHA256 86a9bb4985cca6c9636c4fd071bef4b70ba7b3a5eb51af869a1299dc2b1574a8
SHA512 09bbe1bf1455861fd4732f2d1945c84bac34090906ac2fab75d144c22ffcf6bc585c8209e94a2b1919c8402df53966081a1af2993e12261ae4c4ac5568667d88

Analysis: behavioral2

Detonation Overview

Submitted

2024-10-17 13:53

Reported

2024-10-17 13:54

Platform

android-33-x64-arm64-20240624-en

Max time network

7s

Command Line

N/A

Signatures

N/A

Processes

N/A

Network

Country Destination Domain Proto
GB 142.250.187.228:443 udp
GB 142.250.187.228:443 udp
GB 142.250.187.228:443 udp
GB 142.250.187.228:443 tcp
N/A 224.0.0.251:5353 udp

Files

N/A