Malware Analysis Report

2025-01-19 08:07

Sample ID 240605-vddgbscc8z
Target 98ad566d340bec31ad293c1f58898df1_JaffaCakes118
SHA256 76bb2ed1cb804d5078ef13bd48fb7fd2b994b23534ef6a0c7fde810cf8b86eb3
Tags
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: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
8/10

SHA256

76bb2ed1cb804d5078ef13bd48fb7fd2b994b23534ef6a0c7fde810cf8b86eb3

Threat Level: Likely malicious

The file 98ad566d340bec31ad293c1f58898df1_JaffaCakes118 was found to be: Likely malicious.

Malicious Activity Summary

discovery evasion impact persistence

Checks if the Android device is rooted.

Requests dangerous framework permissions

Queries information about active data network

Queries information about the current Wi-Fi connection

Checks the presence of a debugger

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

Uses Crypto APIs (Might try to encrypt user data)

Checks memory information

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-05 16:52

Signatures

Requests dangerous framework permissions

Description Indicator Process Target
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 from external storage. android.permission.READ_EXTERNAL_STORAGE N/A N/A
Allows an application to write to external storage. android.permission.WRITE_EXTERNAL_STORAGE 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 an application to record audio. android.permission.RECORD_AUDIO N/A N/A
Allows an application to read the user's calendar data. android.permission.READ_CALENDAR N/A N/A
Allows an application to write the user's calendar data. android.permission.WRITE_CALENDAR N/A N/A
Required to be able to access the camera device. android.permission.CAMERA 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 request installing packages. android.permission.REQUEST_INSTALL_PACKAGES N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-05 16:52

Reported

2024-06-05 16:55

Platform

android-x86-arm-20240603-en

Max time kernel

16s

Max time network

131s

Command Line

com.nyato.client

Signatures

Checks if the Android device is rooted.

evasion
Description Indicator Process Target
N/A /system/app/Superuser.apk N/A N/A
N/A /sbin/su 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

Checks the presence of a debugger

evasion

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

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 memory information

Description Indicator Process Target
File opened for read /proc/meminfo N/A N/A

Processes

com.nyato.client

/system/bin/sh -c getprop ro.board.platform

getprop ro.board.platform

/system/bin/sh -c type su

logcat -d -v threadtime

logcat -d -v threadtime

/system/bin/sh -c getprop ro.miui.ui.version.name

getprop ro.miui.ui.version.name

/system/bin/sh -c getprop ro.build.version.emui

getprop ro.build.version.emui

/system/bin/sh -c getprop ro.lenovo.series

getprop ro.lenovo.series

/system/bin/sh -c getprop ro.build.nubia.rom.name

getprop ro.build.nubia.rom.name

/system/bin/sh -c getprop ro.meizu.product.model

getprop ro.meizu.product.model

/system/bin/sh -c getprop ro.build.version.opporom

getprop ro.build.version.opporom

/system/bin/sh -c getprop ro.vivo.os.build.display.id

getprop ro.vivo.os.build.display.id

/system/bin/sh -c getprop ro.aa.romver

getprop ro.aa.romver

/system/bin/sh -c getprop ro.lewa.version

getprop ro.lewa.version

/system/bin/sh -c getprop ro.gn.gnromvernumber

getprop ro.gn.gnromvernumber

/system/bin/sh -c getprop ro.build.tyd.kbstyle_version

getprop ro.build.tyd.kbstyle_version

/system/bin/sh -c getprop ro.build.fingerprint

getprop ro.build.fingerprint

/system/bin/sh -c getprop ro.build.rom.id

getprop ro.build.rom.id

Network

Country Destination Domain Proto
N/A 224.0.0.251:5353 udp
GB 142.250.179.234:443 tcp
US 1.1.1.1:53 semanticlocation-pa.googleapis.com udp
US 1.1.1.1:53 android.bugly.qq.com udp
CN 119.147.179.152:80 android.bugly.qq.com tcp
GB 172.217.16.238:443 tcp
US 1.1.1.1:53 android.apis.google.com udp
GB 172.217.16.238:443 android.apis.google.com tcp

Files

/data/data/com.nyato.client/databases/bugly_db_legu-journal

MD5 846a370bb251226b85d50c2bfacc86ee
SHA1 b19bce2e992690aec49271d90d250d50dc1c301b
SHA256 6da244c927a65b5ec529e5710988741381b59764bea9dd59b804e39438dfa337
SHA512 09f19dc3ca164ffadfa1785dcf93596a967454fc536f17532c6807d9fabf6f0f5bc74f955cec8f4d6da1211613d71cbfccf61d198698da7e3e17a85cb71bb654

/data/data/com.nyato.client/databases/bugly_db_legu

MD5 f2b4b0190b9f384ca885f0c8c9b14700
SHA1 934ff2646757b5b6e7f20f6a0aa76c7f995d9361
SHA256 0a8ffb6b327963558716e87db8946016d143e39f895fa1b43e95ba7032ce2514
SHA512 ec12685fc0d60526eed4d38820aad95611f3e93ae372be5a57142d8e8a1ba17e6e5dfe381a4e1365dddc0b363c9c40daaffdc1245bd515fddac69bf1abacd7f1

/data/data/com.nyato.client/databases/bugly_db_legu-shm

MD5 bb7df04e1b0a2570657527a7e108ae23
SHA1 5188431849b4613152fd7bdba6a3ff0a4fd6424b
SHA256 c35020473aed1b4642cd726cad727b63fff2824ad68cedd7ffb73c7cbd890479
SHA512 768007e06b0cd9e62d50f458b9435c6dda0a6d272f0b15550f97c478394b743331c3a9c9236e09ab5b9cb3b423b2320a5d66eb3c7068db9ea37891ca40e47012

/data/data/com.nyato.client/databases/bugly_db_legu-wal

MD5 b955e54d11078f35a1a01af404f33a47
SHA1 fc242698aae1578c94eeae5a518b6fa887ed0320
SHA256 1621569ca3ab2137df46510f5ffb88f61af8961ec6a4087dd66a2577c357177c
SHA512 d33f1662fa8d086b6b61118517676d69a1144adbf0c4a172f737926604d2d9f545488c8eb5a9edf0f10771935066e76e5c8d0296f0f670558df687ab2e4b2a0d

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-05 16:52

Reported

2024-06-05 16:52

Platform

android-x86-arm-20240603-en

Max time network

3s

Command Line

N/A

Signatures

N/A

Processes

N/A

Network

Country Destination Domain Proto
N/A 224.0.0.251:5353 udp

Files

N/A