Malware Analysis Report

2024-09-09 17:09

Sample ID 240614-bwebsszdlc
Target a788fa6990df9dfbe0f57422bd88e7b4_JaffaCakes118
SHA256 dcd78d6c81ba50e4babde89ebc30e7a19c055e176e274942d3bf3f70fcd4d060
Tags
banker discovery persistence
score
7/10

Table of Contents

Analysis Overview

MITRE ATT&CK Matrix

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
7/10

SHA256

dcd78d6c81ba50e4babde89ebc30e7a19c055e176e274942d3bf3f70fcd4d060

Threat Level: Shows suspicious behavior

The file a788fa6990df9dfbe0f57422bd88e7b4_JaffaCakes118 was found to be: Shows suspicious behavior.

Malicious Activity Summary

banker discovery 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)

Acquires the wake lock

Queries information about the current Wi-Fi connection

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

Checks CPU information

Checks memory information

MITRE ATT&CK Matrix

N/A

Analysis: static1

Detonation Overview

Reported

2024-06-14 01:29

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 an application to read from external storage. android.permission.READ_EXTERNAL_STORAGE 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 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
Allows an application to record audio. android.permission.RECORD_AUDIO N/A N/A
Allows an application to read or write the system settings. android.permission.WRITE_SETTINGS 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

2024-06-14 01:29

Reported

2024-06-14 01:32

Platform

android-x86-arm-20240611.1-en

Max time kernel

179s

Max time network

183s

Command Line

com.wta.NewCloudApp.jiuwei3304

Signatures

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

banker discovery

Acquires the wake lock

Description Indicator Process Target
Framework service call android.os.IPowerManager.acquireWakeLock 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
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
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
Framework service call android.app.IActivityManager.registerReceiver 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
File opened for read /proc/meminfo N/A N/A

Processes

com.wta.NewCloudApp.jiuwei3304

com.wta.NewCloudApp.jiuwei3304:pushservice

com.wta.NewCloudApp.jiuwei3304:remote

Network

Country Destination Domain Proto
N/A 224.0.0.251:5353 udp
US 1.1.1.1:53 api2.sharesdk.cn udp
US 1.1.1.1:53 pack.yundabao.com udp
US 1.1.1.1:53 www.xiyingcai.com udp
US 1.1.1.1:53 www.baidu.com udp
HK 103.235.47.103:80 www.baidu.com tcp
CN 116.255.131.209:8181 pack.yundabao.com tcp
US 38.38.145.120:80 www.xiyingcai.com tcp
US 38.38.145.120:80 www.xiyingcai.com tcp
CN 115.227.43.65:5566 api2.sharesdk.cn tcp
CN 116.255.131.209:8081 pack.yundabao.com tcp
US 1.1.1.1:53 push.zhanzhang.baidu.com udp
CN 182.61.201.93:80 push.zhanzhang.baidu.com tcp
US 1.1.1.1:53 hm.baidu.com udp
CN 14.215.182.140:443 hm.baidu.com tcp
CN 182.61.201.93:80 push.zhanzhang.baidu.com tcp
CN 14.215.182.140:443 hm.baidu.com tcp
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 116.255.131.209:8181 pack.yundabao.com tcp
GB 216.58.212.238:443 tcp
US 1.1.1.1:53 android.apis.google.com udp
GB 142.250.179.238:443 android.apis.google.com tcp
CN 183.134.98.76:5224 sdk.open.talk.igexin.com tcp
CN 183.134.98.76:5224 sdk.open.talk.igexin.com tcp
CN 183.134.98.76:5224 sdk.open.talk.igexin.com tcp
CN 182.61.244.229:80 push.zhanzhang.baidu.com tcp
CN 14.215.183.79:443 hm.baidu.com tcp
CN 182.61.244.229:80 push.zhanzhang.baidu.com tcp
CN 14.215.183.79:443 hm.baidu.com tcp
CN 183.134.98.76:5224 sdk.open.talk.igexin.com tcp

Files

/storage/emulated/0/ShareSDK/.dk

MD5 f2b4b0190b9f384ca885f0c8c9b14700
SHA1 934ff2646757b5b6e7f20f6a0aa76c7f995d9361
SHA256 0a8ffb6b327963558716e87db8946016d143e39f895fa1b43e95ba7032ce2514
SHA512 ec12685fc0d60526eed4d38820aad95611f3e93ae372be5a57142d8e8a1ba17e6e5dfe381a4e1365dddc0b363c9c40daaffdc1245bd515fddac69bf1abacd7f1

/data/data/com.wta.NewCloudApp.jiuwei3304/databases/pushsdk.db-shm

MD5 91f3a5438ce08ef3623bdd660bbe7b11
SHA1 ae781920b5b66aecde1107eebaae87718d58ac71
SHA256 0c531cf709202f631eaf5b0023bab11be6abe84d6b973da71069cd96a5068b22
SHA512 5715b70c5e4126c3c4efe720551a69e1626020ee5099346dd503a49c351ad358169c36fe42c129398b71ec62d7257d0f572a969667208cb0800b6370d61346e0

/data/data/com.wta.NewCloudApp.jiuwei3304/databases/pushsdk.db-wal

MD5 69754eacfae790af77b21e899ae5f915
SHA1 0a8e8905e43e9510b9d913d1a47a23917a797c9f
SHA256 7d6f82037a1e96abb22c3a5d719f1dcaa31e798237a71a0808f988e7e6802dcc
SHA512 81217b7d8331c0cf9bf95344d60bd0e3db17fdb2eb2c382fc176db16ab70250ad1cd5f5e5cef86cfc2608c971fd6869e19ca3134d13673dec8bcafc696c01786

/data/data/com.wta.NewCloudApp.jiuwei3304/databases/sharesdk.db-shm

MD5 bb7df04e1b0a2570657527a7e108ae23
SHA1 5188431849b4613152fd7bdba6a3ff0a4fd6424b
SHA256 c35020473aed1b4642cd726cad727b63fff2824ad68cedd7ffb73c7cbd890479
SHA512 768007e06b0cd9e62d50f458b9435c6dda0a6d272f0b15550f97c478394b743331c3a9c9236e09ab5b9cb3b423b2320a5d66eb3c7068db9ea37891ca40e47012