Malware Analysis Report

2025-08-11 00:07

Sample ID 240513-hn5x4sec33
Target 3e3ced0f880895e45b51f190d40e4505_JaffaCakes118
SHA256 5ecd080191e55d6c8424996947d9f85edc41f2d4bd4c177c04669f705742d851
Tags
banker discovery evasion impact persistence
score
8/10

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
8/10

SHA256

5ecd080191e55d6c8424996947d9f85edc41f2d4bd4c177c04669f705742d851

Threat Level: Likely malicious

The file 3e3ced0f880895e45b51f190d40e4505_JaffaCakes118 was found to be: Likely malicious.

Malicious Activity Summary

banker discovery evasion impact persistence

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

Queries the mobile country code (MCC)

Checks CPU information

Checks memory information

Queries information about the current Wi-Fi connection

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

Checks known Qemu files.

Queries information about running processes on the device

Checks if the internet connection is available

Requests dangerous framework permissions

Uses Crypto APIs (Might try to encrypt user data)

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-05-13 06:54

Signatures

Requests dangerous framework permissions

Description Indicator Process Target
Allows an application to record audio. android.permission.RECORD_AUDIO N/A N/A
Allows an app to access precise location. android.permission.ACCESS_FINE_LOCATION N/A N/A
Allows an app to access approximate location. android.permission.ACCESS_COARSE_LOCATION 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
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 application to send SMS messages. android.permission.SEND_SMS N/A N/A
Allows an application to read SMS messages. android.permission.READ_SMS N/A N/A
Allows an application to request installing packages. android.permission.REQUEST_INSTALL_PACKAGES N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-05-13 06:53

Reported

2024-05-13 06:56

Platform

android-x86-arm-20240506-en

Max time kernel

68s

Max time network

130s

Command Line

com.yxxinglin.xzid74559

Signatures

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

banker discovery

Checks CPU information

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

Checks known Qemu files.

evasion
Description Indicator Process Target
N/A /system/lib/libc_malloc_debug_qemu.so 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 running processes on the device

discovery
Description Indicator Process Target
Framework service call android.app.IActivityManager.getRunningAppProcesses N/A N/A
Framework service call android.app.IActivityManager.getRunningAppProcesses 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
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
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.yxxinglin.xzid74559

chmod 755 /data/user/0/com.yxxinglin.xzid74559/files/mycpuinfo

/data/user/0/com.yxxinglin.xzid74559/files/mycpuinfo

/system/bin/cat /sys/devices/system/cpu/cpu0/cpufreq/cpuinfo_max_freq

com.yxxinglin.xzid74559:pushservice

Network

Country Destination Domain Proto
N/A 224.0.0.251:5353 udp
GB 216.58.213.10:443 tcp
US 1.1.1.1:53 semanticlocation-pa.googleapis.com udp
US 1.1.1.1:53 track.37.com.cn udp
CN 1.14.168.226:443 track.37.com.cn tcp
US 1.1.1.1:53 m.api.m.37.com udp
CN 42.194.157.10:80 m.api.m.37.com tcp
US 1.1.1.1:53 dlied1.qq.com udp
CN 1.14.168.226:443 track.37.com.cn tcp
CN 1.14.168.226:443 track.37.com.cn tcp
US 1.1.1.1:53 dlied1.qq.com udp
US 1.1.1.1:53 sdk.open.talk.gepush.com udp
US 1.1.1.1:53 sdk.open.talk.getui.net udp
US 1.1.1.1:53 sdk.open.talk.igexin.com udp
CN 183.134.98.76:5224 sdk.open.talk.igexin.com tcp
CN 183.134.98.102:5224 sdk.open.talk.igexin.com tcp
CN 183.134.98.102:5224 sdk.open.talk.igexin.com tcp
CN 42.194.157.10:80 m.api.m.37.com tcp
HK 119.28.165.18:443 dlied1.qq.com tcp
CN 1.14.168.226:443 track.37.com.cn tcp
GB 172.217.169.42:443 semanticlocation-pa.googleapis.com tcp
GB 142.250.187.206:443 tcp
US 1.1.1.1:53 android.apis.google.com udp
GB 142.250.200.14:443 android.apis.google.com tcp
CN 183.134.98.76:5224 sdk.open.talk.igexin.com tcp
CN 183.134.98.102:5224 sdk.open.talk.igexin.com tcp
CN 183.134.98.102:5224 sdk.open.talk.igexin.com tcp
CN 183.134.98.102:5224 sdk.open.talk.igexin.com tcp
CN 183.134.98.76:5224 sdk.open.talk.igexin.com tcp
CN 183.134.98.102:5224 sdk.open.talk.igexin.com tcp
CN 183.134.98.76:5224 sdk.open.talk.igexin.com tcp
CN 183.134.98.102:5224 sdk.open.talk.igexin.com tcp
CN 183.134.98.102:5224 sdk.open.talk.igexin.com tcp
CN 183.134.98.76:5224 sdk.open.talk.igexin.com tcp
CN 183.134.98.102:5224 sdk.open.talk.igexin.com tcp
CN 183.134.98.102:5224 sdk.open.talk.igexin.com tcp
CN 183.134.98.76:5224 sdk.open.talk.igexin.com tcp
CN 183.134.98.102:5224 sdk.open.talk.igexin.com tcp

Files

/data/data/com.yxxinglin.xzid74559/files/mycpuinfo

MD5 8cad49469448bb9e636c0e5234d86ffd
SHA1 136085038c00c1b9b566929246d271cd8bb33cc4
SHA256 9f6328261b501e955af4035970b83bdfd33ed74a6c97bb47b41da00f08ec25f9
SHA512 9d0c72f6010c803b93495a5bc90809673bea8cfc8769c485634e29a08c58c0beba2bc652684dfb469baf4944450962a48811f9829ffee588952cebb4aa289c54

/data/data/com.yxxinglin.xzid74559/files/tss_tmp/tss_lcp.dat.tmp

MD5 7969662cbeba79dce2031a64edcb2b30
SHA1 dade6f14b6b1890835eaf67779acbfb35668b3c1
SHA256 7d919d13562d5d283449887ebbd77c2fe80955c3dcec5d897b379fb30ee344a2
SHA512 c084759b3bdc0b170a4f7086862190e538db80a2c1f3db127292259dea0ce08b791059ffc5f1680211064e49cbc725ef76d36c6d63b8d1f9365c5905caf317fa

/data/data/com.yxxinglin.xzid74559/files/GameProtector3

MD5 735a2d9feec4e1ed7c68f7723170cab9
SHA1 2a7240d1546305a93672b05bfc69249fbf337ec3
SHA256 eee622dbe2ffd4a1f874b27fbebd614811646c683166ba29d7ebc34017ae4f61
SHA512 57a01cf367cc6dbf55073d19f30b3efa9e16ba5714b782a15287fbf8c764c025e1a8c9f6f42e14174adfc6e369fa9faf3349b29e7c72a93370bbf93536dd6adc

/data/data/com.yxxinglin.xzid74559/files/tss_tmp/tss_emu_c2.dat.tmp

MD5 811d9875d1adcf8f051267ec25a61d1f
SHA1 ac655dbef468c204721ce18099e7c9ab8761ba6e
SHA256 99cc5d0fc7272d59e816d2dfd062a485d16fab0a84dbfc6d2035c1fde37770ca
SHA512 816a920724c4aa5348dc3e53631c55dd085193126a3f22826397c191a8fa01f8c56bc88890be394da3ee95258b62470190bfda82b9874815d0b066b9ae901cad

/data/data/com.yxxinglin.xzid74559/databases/pushsdk.db

MD5 f2b4b0190b9f384ca885f0c8c9b14700
SHA1 934ff2646757b5b6e7f20f6a0aa76c7f995d9361
SHA256 0a8ffb6b327963558716e87db8946016d143e39f895fa1b43e95ba7032ce2514
SHA512 ec12685fc0d60526eed4d38820aad95611f3e93ae372be5a57142d8e8a1ba17e6e5dfe381a4e1365dddc0b363c9c40daaffdc1245bd515fddac69bf1abacd7f1

/data/data/com.yxxinglin.xzid74559/databases/pushsdk.db-shm

MD5 bb7df04e1b0a2570657527a7e108ae23
SHA1 5188431849b4613152fd7bdba6a3ff0a4fd6424b
SHA256 c35020473aed1b4642cd726cad727b63fff2824ad68cedd7ffb73c7cbd890479
SHA512 768007e06b0cd9e62d50f458b9435c6dda0a6d272f0b15550f97c478394b743331c3a9c9236e09ab5b9cb3b423b2320a5d66eb3c7068db9ea37891ca40e47012

/data/data/com.yxxinglin.xzid74559/databases/pushsdk.db-wal

MD5 3ab162eabe4f2bd0e74e9d26734b105f
SHA1 234c01bebb73b141fd7bec5e905874406d81604d
SHA256 4ac5d01f1973e49e168cc29b66bd86a842b21b4f73622fcebf585c639b9c0b82
SHA512 79c7487ad415b0d54d6eeae6220b8028c116fd2b32c97a8ad5d1c7cf69994bd0a72a534e43f0491439acd2c174c127de708b7d27014bb957aaefe95a41256579

/storage/emulated/0/libs/com.yxxinglin.xzid74559.bin

MD5 9185004104a2dfb1f5b9a0fb969e6bc1
SHA1 bcd60b6e40e437e962f519d49053cb59d678544b
SHA256 b069f9716dae890487e838cad7af74b178619e3eb163c36aa37a647c77d044e1
SHA512 420c7039234bbd9e1379556e96854ae6a839c33572c90bc1e730dbd1515519cb38c48787179f50b4bb3bf6719f63176780d991241cc9200ee05db89a3a075eba