Malware Analysis Report

2025-01-19 08:01

Sample ID 240616-xpsfqsshrd
Target b4b55a026b4e3097c6deccaf925921ec_JaffaCakes118
SHA256 72a02f8807ed1312463440278f0b84cb06224517817f992a443d8a65798b6685
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

72a02f8807ed1312463440278f0b84cb06224517817f992a443d8a65798b6685

Threat Level: Likely malicious

The file b4b55a026b4e3097c6deccaf925921ec_JaffaCakes118 was found to be: Likely malicious.

Malicious Activity Summary

banker discovery evasion impact persistence

Checks if the Android device is rooted.

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

Queries information about running processes on the device

Checks known Qemu files.

Requests dangerous framework permissions

Queries the mobile country code (MCC)

Queries information about active data network

Queries information about the current Wi-Fi connection

Uses Crypto APIs (Might try to encrypt user data)

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

Checks CPU information

Checks memory information

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-16 19:02

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

2024-06-16 19:02

Reported

2024-06-16 19:05

Platform

android-x86-arm-20240611.1-en

Max time kernel

67s

Max time network

186s

Command Line

com.yxxinglin.xzid40619

Signatures

Checks if the Android device is rooted.

evasion
Description Indicator Process Target
N/A /sbin/su 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

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 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 active data network

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

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

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.yxxinglin.xzid40619

chmod 755 /data/user/0/com.yxxinglin.xzid40619/files/mycpuinfo

/data/user/0/com.yxxinglin.xzid40619/files/mycpuinfo

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

com.yxxinglin.xzid40619:pushservice

Network

Country Destination Domain Proto
N/A 224.0.0.251:5353 udp
US 1.1.1.1:53 semanticlocation-pa.googleapis.com udp
US 1.1.1.1:53 track.37.com.cn udp
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
US 1.1.1.1:53 sdk.open.talk.gepush.com udp
US 1.1.1.1:53 sdk.open.talk.igexin.com udp
US 1.1.1.1:53 sdk.open.talk.getui.net udp
CN 42.194.157.10:80 m.api.m.37.com tcp
US 1.1.1.1:53 semanticlocation-pa.googleapis.com udp
US 1.1.1.1:53 track.37.com.cn udp
US 1.1.1.1:53 track.37.com.cn udp
GB 142.250.187.206:443 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.igexin.com udp
US 1.1.1.1:53 sdk.open.talk.getui.net udp
CN 183.134.98.112:5224 sdk.open.talk.getui.net tcp
CN 183.134.98.112:5224 sdk.open.talk.getui.net tcp
CN 183.134.98.102:5224 sdk.open.talk.getui.net tcp
US 1.1.1.1:53 track.37.com.cn udp
CN 1.14.168.226:443 track.37.com.cn tcp
CN 1.14.168.226:443 track.37.com.cn tcp
GB 172.217.169.10:443 tcp
US 1.1.1.1:53 android.apis.google.com udp
CN 183.134.98.112:5224 sdk.open.talk.getui.net tcp
CN 183.134.98.102:5224 sdk.open.talk.getui.net tcp
CN 183.134.98.112:5224 sdk.open.talk.getui.net tcp
US 1.1.1.1:53 android.apis.google.com udp
CN 183.134.98.112:5224 sdk.open.talk.getui.net tcp
CN 183.134.98.102:5224 sdk.open.talk.getui.net tcp
CN 183.134.98.112:5224 sdk.open.talk.getui.net tcp
CN 183.134.98.112:5224 sdk.open.talk.getui.net tcp
CN 183.134.98.102:5224 sdk.open.talk.getui.net tcp
CN 183.134.98.112:5224 sdk.open.talk.getui.net tcp
CN 183.134.98.112:5224 sdk.open.talk.getui.net tcp
CN 183.134.98.102:5224 sdk.open.talk.getui.net tcp
CN 183.134.98.112:5224 sdk.open.talk.getui.net tcp
US 1.1.1.1:53 android.apis.google.com udp
US 1.1.1.1:53 android.apis.google.com udp
US 1.1.1.1:53 android.apis.google.com udp

Files

/data/data/com.yxxinglin.xzid40619/files/mycpuinfo

MD5 27d93bd7a76b8877fb347abc3929828a
SHA1 5fb8e9e110fe5155e03fcc842c46703d3a509d96
SHA256 79129a6045f06015cc25ea7bbe9bb0cffe37d1874dc6d65bbc3b24d883071124
SHA512 ec7c4548c8c8466c837ac2075d30b07575d1bece352cdff54feb8926abff223dabcc6578eb4eacf887a31dabfd358e52214f4e2a67cd17caefe11f05428150ae

/data/data/com.yxxinglin.xzid40619/files/tss_tmp/tss_lcp.dat.tmp

MD5 7969662cbeba79dce2031a64edcb2b30
SHA1 dade6f14b6b1890835eaf67779acbfb35668b3c1
SHA256 7d919d13562d5d283449887ebbd77c2fe80955c3dcec5d897b379fb30ee344a2
SHA512 c084759b3bdc0b170a4f7086862190e538db80a2c1f3db127292259dea0ce08b791059ffc5f1680211064e49cbc725ef76d36c6d63b8d1f9365c5905caf317fa

/data/data/com.yxxinglin.xzid40619/files/GameProtector3

MD5 735a2d9feec4e1ed7c68f7723170cab9
SHA1 2a7240d1546305a93672b05bfc69249fbf337ec3
SHA256 eee622dbe2ffd4a1f874b27fbebd614811646c683166ba29d7ebc34017ae4f61
SHA512 57a01cf367cc6dbf55073d19f30b3efa9e16ba5714b782a15287fbf8c764c025e1a8c9f6f42e14174adfc6e369fa9faf3349b29e7c72a93370bbf93536dd6adc

/data/data/com.yxxinglin.xzid40619/files/tss_tmp/tss_emu_c2.dat.tmp

MD5 4c438c36ea84e1427fa5581b51c5413f
SHA1 9a10c666fd5eb725e3d0364920818f2758affdc9
SHA256 ed86238291bcc41517e5b1132fedfc356d7c6afbbf9f2aaf53be95a5b4e5b65b
SHA512 1803f3c2da365ca0840041e6cebd19bc9e256d5f8532a0b99b2db6fe49f9f58351866a156c39f7031482c5bdf3924048f61c1376af10ca367a7aea19a0a7c8f7

/data/data/com.yxxinglin.xzid40619/databases/pushsdk.db

MD5 f2b4b0190b9f384ca885f0c8c9b14700
SHA1 934ff2646757b5b6e7f20f6a0aa76c7f995d9361
SHA256 0a8ffb6b327963558716e87db8946016d143e39f895fa1b43e95ba7032ce2514
SHA512 ec12685fc0d60526eed4d38820aad95611f3e93ae372be5a57142d8e8a1ba17e6e5dfe381a4e1365dddc0b363c9c40daaffdc1245bd515fddac69bf1abacd7f1

/data/data/com.yxxinglin.xzid40619/databases/pushsdk.db-shm

MD5 bb7df04e1b0a2570657527a7e108ae23
SHA1 5188431849b4613152fd7bdba6a3ff0a4fd6424b
SHA256 c35020473aed1b4642cd726cad727b63fff2824ad68cedd7ffb73c7cbd890479
SHA512 768007e06b0cd9e62d50f458b9435c6dda0a6d272f0b15550f97c478394b743331c3a9c9236e09ab5b9cb3b423b2320a5d66eb3c7068db9ea37891ca40e47012

/data/data/com.yxxinglin.xzid40619/databases/pushsdk.db-wal

MD5 89bef0d1388e769fec689657288ae349
SHA1 667efb5b4427b668d676d74fee058f14980062cd
SHA256 62bef1ca58b9db51a0dea34c84d0203c19ddd8a7d9b4662b6da856360356fe19
SHA512 83baae8de1c4f75903e68e8fb12ac319242793909426dca42e003321873a15a012344800ad51e9df953f22dbbcb3f62d0cdc5f6debe44c8cdff981b49033b996

/storage/emulated/0/libs/com.yxxinglin.xzid40619.bin

MD5 9a694e00eadfab16dff8873dd3ba9259
SHA1 a162954abef6709849f21931e8eef9b74d5f10b9
SHA256 912f5191a330969584f458ee7d8ca09f16a9bd8ba8fae3c389b4cc1add18a2c6
SHA512 779e21971f244a12c08caccfc6155894492359140ce5e79b4c3932f00ce539a4573433a1c464c1872340783260f4197401b7e3b7f91c0fdb9ee2edabb1db510c