Malware Analysis Report

2024-07-28 11:13

Sample ID 240613-3wq45szejq
Target a730009ce5312a22decbf7ef89abca61_JaffaCakes118
SHA256 a9d8acf742dd846cfa6b935192d08ca44e2d3b4a2507a59211bbe6c67ec24be3
Tags
banker collection discovery evasion persistence
score
8/10

Table of Contents

Analysis Overview

MITRE ATT&CK Matrix

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral3

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral4

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
8/10

SHA256

a9d8acf742dd846cfa6b935192d08ca44e2d3b4a2507a59211bbe6c67ec24be3

Threat Level: Likely malicious

The file a730009ce5312a22decbf7ef89abca61_JaffaCakes118 was found to be: Likely malicious.

Malicious Activity Summary

banker collection discovery evasion 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)

Reads the content of the call log.

Queries information about running processes on the device

Reads the contacts stored on the device.

Queries the phone number (MSISDN for GSM devices)

Queries the mobile country code (MCC)

Domain associated with commercial stalkerware software, includes indicators from echap.eu.org

Requests dangerous framework permissions

Queries information about active data network

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

2024-06-13 23:52

Signatures

Requests dangerous framework permissions

Description Indicator Process Target
Allows an app to access approximate location. android.permission.ACCESS_COARSE_LOCATION 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 access to the list of accounts in the Accounts Service. android.permission.GET_ACCOUNTS N/A N/A
Allows an application to see the number being dialed during an outgoing call with the option to redirect the call to a different number or abort the call altogether. android.permission.PROCESS_OUTGOING_CALLS N/A N/A
Allows an application to read the user's contacts data. android.permission.READ_CONTACTS 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 send SMS messages. android.permission.SEND_SMS 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 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 write the user's contacts data. android.permission.WRITE_CONTACTS 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 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
Allows an app to access precise location. android.permission.ACCESS_FINE_LOCATION N/A N/A

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-13 23:52

Reported

2024-06-13 23:55

Platform

android-x86-arm-20240611.1-en

Max time kernel

3s

Max time network

149s

Command Line

com.alipay.android.app

Signatures

N/A

Processes

com.alipay.android.app

Network

Country Destination Domain Proto
GB 172.217.169.74:443 tcp
N/A 224.0.0.251:5353 udp
GB 142.250.187.238:443 tcp
US 1.1.1.1:53 android.apis.google.com udp
GB 142.250.187.206:443 android.apis.google.com tcp
GB 172.217.169.74:443 tcp
GB 172.217.169.74:443 tcp

Files

N/A

Analysis: behavioral3

Detonation Overview

Submitted

2024-06-13 23:52

Reported

2024-06-13 23:55

Platform

android-x64-20240611.1-en

Max time kernel

3s

Max time network

131s

Command Line

com.alipay.android.app

Signatures

N/A

Processes

com.alipay.android.app

Network

Country Destination Domain Proto
N/A 224.0.0.251:5353 udp
US 1.1.1.1:53 ssl.google-analytics.com udp
GB 216.58.201.104:443 ssl.google-analytics.com tcp
GB 172.217.16.234:443 tcp
US 1.1.1.1:53 android.apis.google.com udp
GB 142.250.179.238:443 android.apis.google.com tcp
GB 172.217.169.46:443 tcp
GB 172.217.16.226:443 tcp
GB 142.250.178.14:443 tcp
GB 142.250.178.4:443 tcp
GB 142.250.178.4:443 tcp

Files

N/A

Analysis: behavioral4

Detonation Overview

Submitted

2024-06-13 23:52

Reported

2024-06-13 23:55

Platform

android-x64-arm64-20240611.1-en

Max time kernel

4s

Max time network

132s

Command Line

com.alipay.android.app

Signatures

N/A

Processes

com.alipay.android.app

Network

Country Destination Domain Proto
N/A 224.0.0.251:5353 udp
US 1.1.1.1:53 ssl.google-analytics.com udp
GB 142.250.180.8:443 ssl.google-analytics.com tcp
GB 142.250.187.238:443 tcp
US 1.1.1.1:53 android.apis.google.com udp
GB 142.250.179.238:443 android.apis.google.com tcp
GB 142.250.179.228:443 tcp
GB 142.250.179.228:443 tcp

Files

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-13 23:52

Reported

2024-06-13 23:55

Platform

android-x86-arm-20240611.1-en

Max time kernel

164s

Max time network

137s

Command Line

cn.pyt365.ipcall

Signatures

Checks if the Android device is rooted.

evasion
Description Indicator Process Target
N/A /system/bin/su N/A N/A
N/A /system/xbin/su 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

Queries the phone number (MSISDN for GSM devices)

discovery

Reads the contacts stored on the device.

collection
Description Indicator Process Target
URI accessed for read content://com.android.contacts/contacts N/A N/A

Reads the content of the call log.

collection
Description Indicator Process Target
URI accessed for read content://call_log/calls N/A N/A

Domain associated with commercial stalkerware software, includes indicators from echap.eu.org

Description Indicator Process Target
N/A alog.umeng.com 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

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 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

cn.pyt365.ipcall

Network

Country Destination Domain Proto
N/A 224.0.0.251:5353 udp
US 1.1.1.1:53 voip.pyt365.net udp
US 1.1.1.1:53 alog.umeng.com udp
CN 223.109.148.177:80 alog.umeng.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 223.109.148.130:80 alog.umeng.com tcp
CN 223.109.148.178:80 alog.umeng.com tcp
CN 223.109.148.179:80 alog.umeng.com tcp
CN 223.109.148.141:80 alog.umeng.com tcp
CN 223.109.148.176:80 alog.umeng.com tcp
US 1.1.1.1:53 alog.umeng.co udp

Files

/storage/emulated/0/pytcall-data-user-guid

MD5 9faac5092b78514b5cc3ca7422a41ce3
SHA1 fba83f8b165e2e21023d5f82e3e2b8cac31e731e
SHA256 0d6bd637ccbe1f9f24dee69cfe8998636a6737bfd46b1af4b25815f13d2e29ec
SHA512 ce8202b0ce583fc0915c1b2e43880ecfcb6f8b652940b5d2ebdad9924e4b35c38b88632912a32bd0fcfe656ae75f6e49e9b284b65e3d91eb451e34252ac83a2b

/data/data/cn.pyt365.ipcall/databases/call_log_db-journal

MD5 3c0faa5fe919fb8aa3045151528fcfd4
SHA1 26606a21f06da895076b085226cc2d0d8dbc1c79
SHA256 86161fecc103a75e18c79a2492cd824b80b751544f5c3d41243320faba52944c
SHA512 a36625a48a700e345b032fdea730d8aa6eb347211235a2cd934f187eb03e19db69737499b843cc41a562ffa5f02d91eb95d5bbf1349d23ec64dad1dde4daeb68

/data/data/cn.pyt365.ipcall/databases/call_log_db

MD5 f2b4b0190b9f384ca885f0c8c9b14700
SHA1 934ff2646757b5b6e7f20f6a0aa76c7f995d9361
SHA256 0a8ffb6b327963558716e87db8946016d143e39f895fa1b43e95ba7032ce2514
SHA512 ec12685fc0d60526eed4d38820aad95611f3e93ae372be5a57142d8e8a1ba17e6e5dfe381a4e1365dddc0b363c9c40daaffdc1245bd515fddac69bf1abacd7f1

/data/data/cn.pyt365.ipcall/databases/call_log_db-shm

MD5 bb7df04e1b0a2570657527a7e108ae23
SHA1 5188431849b4613152fd7bdba6a3ff0a4fd6424b
SHA256 c35020473aed1b4642cd726cad727b63fff2824ad68cedd7ffb73c7cbd890479
SHA512 768007e06b0cd9e62d50f458b9435c6dda0a6d272f0b15550f97c478394b743331c3a9c9236e09ab5b9cb3b423b2320a5d66eb3c7068db9ea37891ca40e47012

/data/data/cn.pyt365.ipcall/databases/call_log_db-wal

MD5 e6173183d630ab163a0940e386ec30e6
SHA1 ebc38984a4a96c8165140983c079d20706e8a461
SHA256 f6ef567132cfd5d490740f33a850284d6827ddaa079b4c9f9b86765a6217e887
SHA512 666c691803296ea31092144d1e00d11aa69989295b0556dbaf6a9a84b90d0ba1a273e37338bdea3ad7b48779410855875b6d785c36e754ce63c11bcf64c8e0c8

/data/data/cn.pyt365.ipcall/databases/myDB-journal

MD5 c5815fdf88730b976382f0e95aa3f63c
SHA1 e93d5b3a6eacef2e4583aa0c1fa72ea1b15a4662
SHA256 e7a7197112fccdd82bcf76be59183373c61c2c7bb6f4dcdb1b6adb8b102c54d9
SHA512 b9798e16d6971b476b9468211f1d4fcd9197f682f5be0cb8fa60ec3bb02ba048ef3af28a128729606cc450458574c8f45f3a1e593fe3a56e323c880b4cd7207a

/data/data/cn.pyt365.ipcall/databases/myDB-wal

MD5 df85d9ce8da4f3a3de10fbf8ca124056
SHA1 33c807c44cecc0673f45e8d230152889534fbfca
SHA256 7d0e1a8e1f4252ff34866bc393ab98c45a55740947b74735e4f6dcee370a9e4d
SHA512 62685b383d9c1ab5c781d338a1d0d660f7c55b258ac665d5211aa6f7893a83130c867a66404c8ffa90f36d5dd2c373c0438e5f88c526eae07855c099137dbd17

/data/data/cn.pyt365.ipcall/files/mobclick_agent_cached_cn.pyt365.ipcall

MD5 d6000e174dcc36b5547361984fa8dd82
SHA1 f19e14015d1a7517d94e5f54682ac5c1cb04bb8a
SHA256 32d6dabc3a4f7e61bee21c76dc3cd65dc0c6852c20891b35089aa4c311fa6619
SHA512 1b139c372fafa365042a49e8d7e21db4c91aabed322d02e8fb79c47aae2c0a6f500f6b77ce8a75e37f1a8b6f66046b7113ee670912e67f72dd7545aa72e62b9b