Malware Analysis Report

2025-01-19 07:02

Sample ID 240523-n7jf4sga54
Target 2.apk
SHA256 291262ce868cbc79f1fa9083a75c752221ecdf7f13b0c4f0b0464df604343c34
Tags
banker discovery evasion impact persistence collection credential_access
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: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
8/10

SHA256

291262ce868cbc79f1fa9083a75c752221ecdf7f13b0c4f0b0464df604343c34

Threat Level: Likely malicious

The file 2.apk was found to be: Likely malicious.

Malicious Activity Summary

banker discovery evasion impact persistence collection credential_access

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

Checks CPU information

Checks memory information

Queries information about the current Wi-Fi connection

Queries the mobile country code (MCC)

Obtains sensitive information copied to the device clipboard

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

Reads information about phone network operator.

Checks if the internet connection is available

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

Requests dangerous framework permissions

Uses Crypto APIs (Might try to encrypt user data)

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-05-23 12:02

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 read the user's contacts data. android.permission.READ_CONTACTS N/A N/A
Allows an application to write the user's contacts data. android.permission.WRITE_CONTACTS N/A N/A
Required to be able to access the camera device. android.permission.CAMERA N/A N/A
Allows an application to record audio. android.permission.RECORD_AUDIO N/A N/A
Allows access to the list of accounts in the Accounts Service. android.permission.GET_ACCOUNTS 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
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 read or write the system settings. android.permission.WRITE_SETTINGS N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-05-23 12:02

Reported

2024-05-23 12:11

Platform

android-x86-arm-20240514-en

Max time kernel

161s

Max time network

180s

Command Line

io.dcloud.H53E0C750

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 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

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

discovery

Reads information about phone network operator.

discovery

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

io.dcloud.H53E0C750

Network

Country Destination Domain Proto
GB 142.250.200.42:443 tcp
N/A 224.0.0.251:5353 udp
GB 142.250.200.42:443 tcp
GB 142.250.200.42:443 tcp
US 1.1.1.1:53 www.google.com udp
GB 142.250.200.36:443 www.google.com tcp
GB 142.250.187.206:443 tcp
US 1.1.1.1:53 android.apis.google.com udp
GB 142.250.187.206:443 android.apis.google.com tcp
US 1.1.1.1:53 stream.dcloud.net.cn udp
CN 49.234.42.40:80 stream.dcloud.net.cn tcp
US 1.1.1.1:53 service.dcloud.net.cn udp
CN 115.159.204.155:443 service.dcloud.net.cn tcp
CN 113.98.255.138:1071 tcp
CN 47.100.61.181:8005 tcp
CN 39.100.226.15:6002 tcp
US 1.1.1.1:53 map.geoq.cn udp
CN 113.98.255.138:1071 tcp
CN 47.100.61.181:8005 tcp
CN 39.100.226.15:6002 tcp
CN 121.199.30.251:80 map.geoq.cn tcp
CN 121.199.30.251:80 map.geoq.cn tcp
CN 121.199.30.251:80 map.geoq.cn tcp
CN 121.199.30.251:80 map.geoq.cn tcp
CN 121.199.30.251:80 map.geoq.cn tcp
CN 121.199.30.251:80 map.geoq.cn tcp
CN 49.234.44.193:80 stream.dcloud.net.cn tcp
CN 124.220.57.196:443 service.dcloud.net.cn tcp
CN 115.159.204.155:443 service.dcloud.net.cn tcp
US 1.1.1.1:53 topic.scol.com.cn udp
CN 125.64.41.144:443 topic.scol.com.cn tcp
CN 125.64.41.144:443 topic.scol.com.cn tcp
CN 115.159.41.92:80 stream.dcloud.net.cn tcp
US 1.1.1.1:53 weather.cma.cn udp
US 1.1.1.1:53 pws.scggqx.com udp
US 1.1.1.1:53 open.ys7.com udp
CN 115.238.23.40:443 open.ys7.com tcp
CN 222.209.222.167:443 pws.scggqx.com tcp
CN 115.238.23.40:443 open.ys7.com tcp
CN 222.209.222.167:443 pws.scggqx.com tcp
CN 110.40.169.99:443 service.dcloud.net.cn tcp
CN 111.205.114.117:443 weather.cma.cn tcp
CN 111.205.114.117:443 weather.cma.cn tcp
CN 124.220.57.196:443 service.dcloud.net.cn tcp
CN 124.220.154.50:80 stream.dcloud.net.cn tcp
CN 110.40.181.119:443 service.dcloud.net.cn tcp
CN 110.40.169.99:443 service.dcloud.net.cn tcp
CN 150.158.157.83:80 stream.dcloud.net.cn tcp
CN 111.229.199.57:443 service.dcloud.net.cn tcp
CN 110.40.181.119:443 service.dcloud.net.cn tcp
CN 43.142.22.58:80 stream.dcloud.net.cn tcp
CN 111.229.199.57:443 service.dcloud.net.cn tcp
CN 125.64.41.144:443 topic.scol.com.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
US 1.1.1.1:53 stream.mobihtml5.com udp
US 23.27.132.60:80 stream.mobihtml5.com tcp
GB 172.217.169.66:443 tcp
GB 142.250.179.238:443 tcp
CN 121.199.30.251:80 map.geoq.cn tcp
CN 121.199.30.251:80 map.geoq.cn tcp
CN 121.199.30.251:80 map.geoq.cn tcp
CN 121.199.30.251:80 map.geoq.cn tcp
CN 121.199.30.251:80 map.geoq.cn tcp
US 1.1.1.1:53 open.ys7.com udp
CN 115.238.23.40:443 open.ys7.com tcp
US 1.1.1.1:53 hls01open.ys7.com udp
US 1.1.1.1:53 log.ys7.com udp
CN 115.238.23.23:443 log.ys7.com tcp
CN 183.136.184.118:80 hls01open.ys7.com tcp
CN 47.111.117.75:8001 tcp
CN 183.136.184.118:80 hls01open.ys7.com tcp
CN 115.238.23.23:443 log.ys7.com tcp
CN 47.111.117.75:8001 tcp
CN 106.120.80.204:443 weather.cma.cn tcp
CN 106.120.80.204:443 weather.cma.cn tcp

Files

/storage/emulated/0/.imei.txt

MD5 badb51123ff852b493a0d7a81cf42e0c
SHA1 f9bc6e16bf902a808bb4947dd0a0bfce3aa7e854
SHA256 2db9ec65984e68cb7bcc813f5235046c2db5fa242a23b765ccce50c06dc29725
SHA512 1a9494680f06912ea904c4523f6675ad4eac61a236e8e2d762631f21b655829fc54ecfbe4b74f597bb39d20f99bc5791d9bea23ff251f4e881ac9071ffacf641

/data/data/io.dcloud.H53E0C750/shared_prefs_ext/test_app

MD5 5291edae17c81a7909dc027d2647903f
SHA1 12e42bf8a5b39b6d9736abb9defffa5f5d6d0c12
SHA256 dc093e9c4253c774619c65d11c44c6625d474ae2047320fc0396f11a38cac513
SHA512 fc0817cd9daa23d49d25a09763a72614281fda171f69837731b4af810eb1943b638ccee85ccbf84c7a6807d6fd541e518f6424c254b1b75795310e85170ed62f

/data/data/io.dcloud.H53E0C750/files/cnc3ejE6/eje3cnc

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

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-23 12:02

Reported

2024-05-23 12:08

Platform

android-x64-arm64-20240514-en

Max time kernel

165s

Max time network

188s

Command Line

io.dcloud.H53E0C750

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 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 information about the current Wi-Fi connection

discovery
Description Indicator Process Target
Framework service call android.net.wifi.IWifiManager.getConnectionInfo 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

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

discovery

Reads information about phone network operator.

discovery

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

io.dcloud.H53E0C750

Network

Country Destination Domain Proto
N/A 224.0.0.251:5353 udp
GB 142.250.178.14:443 tcp
GB 142.250.178.14:443 tcp
US 1.1.1.1:53 android.apis.google.com udp
GB 216.58.212.238:443 android.apis.google.com tcp
US 1.1.1.1:53 stream.dcloud.net.cn udp
CN 43.142.22.58:80 stream.dcloud.net.cn tcp
US 1.1.1.1:53 ssl.google-analytics.com udp
GB 216.58.204.72:443 ssl.google-analytics.com tcp
US 1.1.1.1:53 service.dcloud.net.cn udp
CN 115.159.204.155:443 service.dcloud.net.cn tcp
CN 113.98.255.138:1071 tcp
CN 47.100.61.181:8005 tcp
CN 39.100.226.15:6002 tcp
US 1.1.1.1:53 map.geoq.cn udp
CN 113.98.255.138:1071 tcp
CN 47.100.61.181:8005 tcp
CN 39.100.226.15:6002 tcp
CN 43.142.67.81:80 stream.dcloud.net.cn tcp
CN 121.199.30.251:80 map.geoq.cn tcp
CN 121.199.30.251:80 map.geoq.cn tcp
CN 121.199.30.251:80 map.geoq.cn tcp
CN 121.199.30.251:80 map.geoq.cn tcp
CN 121.199.30.251:80 map.geoq.cn tcp
CN 121.199.30.251:80 map.geoq.cn tcp
CN 124.220.57.196:443 service.dcloud.net.cn tcp
CN 115.159.204.155:443 service.dcloud.net.cn tcp
US 1.1.1.1:53 topic.scol.com.cn udp
US 1.1.1.1:53 open.ys7.com udp
CN 43.142.150.110:80 stream.dcloud.net.cn tcp
CN 115.238.23.66:443 open.ys7.com tcp
CN 115.238.23.66:443 open.ys7.com tcp
CN 125.64.41.144:443 topic.scol.com.cn tcp
CN 125.64.41.144:443 topic.scol.com.cn tcp
CN 110.40.169.99:443 service.dcloud.net.cn tcp
CN 124.220.57.196:443 service.dcloud.net.cn tcp
CN 43.142.166.20:80 stream.dcloud.net.cn tcp
CN 110.40.181.119:443 service.dcloud.net.cn tcp
CN 110.40.169.99:443 service.dcloud.net.cn tcp
CN 49.234.42.40:80 stream.dcloud.net.cn tcp
CN 111.229.199.57:443 service.dcloud.net.cn tcp
CN 110.40.181.119:443 service.dcloud.net.cn tcp
CN 49.234.44.193:80 stream.dcloud.net.cn tcp
CN 111.229.199.57:443 service.dcloud.net.cn tcp
CN 125.64.41.144:443 topic.scol.com.cn tcp
CN 115.159.41.92:80 stream.dcloud.net.cn tcp
GB 142.250.187.196:443 tcp
GB 142.250.187.196:443 tcp
CN 124.220.154.50:80 stream.dcloud.net.cn tcp
CN 150.158.157.83:80 stream.dcloud.net.cn tcp
US 1.1.1.1:53 stream.mobihtml5.com udp
US 23.27.132.60:80 stream.mobihtml5.com tcp
CN 121.199.30.251:80 map.geoq.cn tcp
CN 121.199.30.251:80 map.geoq.cn tcp
CN 121.199.30.251:80 map.geoq.cn tcp
CN 121.199.30.251:80 map.geoq.cn tcp
CN 121.199.30.251:80 map.geoq.cn tcp
US 1.1.1.1:53 open.ys7.com udp
US 1.1.1.1:53 hls01open.ys7.com udp
US 1.1.1.1:53 log.ys7.com udp
CN 60.190.232.46:443 open.ys7.com tcp
CN 115.238.23.23:443 log.ys7.com tcp
CN 183.136.184.118:80 hls01open.ys7.com tcp
US 1.1.1.1:53 weather.cma.cn udp
CN 60.190.232.46:443 open.ys7.com tcp
US 1.1.1.1:53 pws.scggqx.com udp
CN 183.136.184.118:80 hls01open.ys7.com tcp
CN 115.238.23.23:443 log.ys7.com tcp
CN 47.111.117.75:8001 tcp
CN 47.111.117.75:8001 tcp
CN 222.209.222.167:443 pws.scggqx.com tcp
CN 222.209.222.167:443 pws.scggqx.com tcp
CN 106.120.80.204:443 weather.cma.cn tcp
CN 106.120.80.204:443 weather.cma.cn tcp
CN 222.209.222.167:443 pws.scggqx.com tcp

Files

/storage/emulated/0/.imei.txt

MD5 d6a6ad4d37f25e70d6686f0da5f4479a
SHA1 75986452099e4ae1ff6b11d93d7464f82001c84b
SHA256 89581ed0677af28cf0e33957752c0db73807e634aa0f6042a0e27198dfa96ffc
SHA512 00b53b7aeb82da7d02f99a2979094450614a9fe13dbca4e667b1d4c3a7665dc069082db1e5aca3497e295b15275eaa6930ced935b18dd74a3a21fed24f85e2ac

/data/data/io.dcloud.H53E0C750/shared_prefs_ext/test_app

MD5 5291edae17c81a7909dc027d2647903f
SHA1 12e42bf8a5b39b6d9736abb9defffa5f5d6d0c12
SHA256 dc093e9c4253c774619c65d11c44c6625d474ae2047320fc0396f11a38cac513
SHA512 fc0817cd9daa23d49d25a09763a72614281fda171f69837731b4af810eb1943b638ccee85ccbf84c7a6807d6fd541e518f6424c254b1b75795310e85170ed62f

/data/user/0/io.dcloud.H53E0C750/files/cnc3ejE6/eje3cnc

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