Malware Analysis Report

2024-09-09 17:54

Sample ID 240613-neb7bszhmn
Target a540dfbe5616b64e940736a1e2dac16a_JaffaCakes118
SHA256 c8175c47094e1afab687a4092d2f3d90914480315a31512371a198a4b4bf5cdc
Tags
discovery evasion impact 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

c8175c47094e1afab687a4092d2f3d90914480315a31512371a198a4b4bf5cdc

Threat Level: Likely malicious

The file a540dfbe5616b64e940736a1e2dac16a_JaffaCakes118 was found to be: Likely malicious.

Malicious Activity Summary

discovery evasion impact persistence

Checks if the Android device is rooted.

Queries information about the current Wi-Fi connection

Requests dangerous framework permissions

Queries information about active data network

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 Matrix

N/A

Analysis: static1

Detonation Overview

Reported

2024-06-13 11:18

Signatures

Requests dangerous framework permissions

Description Indicator Process Target
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 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 read the user's contacts data. android.permission.READ_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 receive SMS messages. android.permission.RECEIVE_SMS 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
Allows an app to access approximate location. android.permission.ACCESS_COARSE_LOCATION N/A N/A
Allows an application to collect component usage statistics. android.permission.PACKAGE_USAGE_STATS N/A N/A

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-13 11:18

Reported

2024-06-13 11:23

Platform

android-x86-arm-20240611.1-en

Max time kernel

9s

Max time network

130s

Command Line

com.youku.cloud.apk

Signatures

N/A

Processes

com.youku.cloud.apk

Network

Country Destination Domain Proto
N/A 224.0.0.251:5353 udp
GB 216.58.212.238:443 tcp
US 1.1.1.1:53 android.apis.google.com udp
GB 142.250.187.206:443 android.apis.google.com tcp

Files

N/A

Analysis: behavioral3

Detonation Overview

Submitted

2024-06-13 11:18

Reported

2024-06-13 11:23

Platform

android-x64-20240611.1-en

Max time kernel

9s

Max time network

153s

Command Line

com.youku.cloud.apk

Signatures

N/A

Processes

com.youku.cloud.apk

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 142.250.187.232:443 ssl.google-analytics.com tcp
GB 172.217.169.10:443 tcp
US 1.1.1.1:53 android.apis.google.com udp
GB 142.250.187.206:443 android.apis.google.com tcp
GB 172.217.169.10:443 tcp
GB 172.217.169.14:443 tcp
GB 172.217.169.78:443 tcp
GB 142.250.179.226:443 tcp
GB 142.250.187.196:443 tcp
GB 142.250.187.196:443 tcp

Files

N/A

Analysis: behavioral4

Detonation Overview

Submitted

2024-06-13 11:18

Reported

2024-06-13 11:24

Platform

android-x64-arm64-20240611.1-en

Max time kernel

7s

Max time network

132s

Command Line

com.youku.cloud.apk

Signatures

N/A

Processes

com.youku.cloud.apk

Network

Country Destination Domain Proto
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 172.217.16.238:443 android.apis.google.com tcp
US 1.1.1.1:53 ssl.google-analytics.com udp
GB 216.58.204.72:443 ssl.google-analytics.com tcp
GB 142.250.180.4:443 tcp
GB 142.250.180.4:443 tcp

Files

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-13 11:18

Reported

2024-06-13 11:24

Platform

android-x86-arm-20240611.1-en

Max time kernel

18s

Max time network

147s

Command Line

com.ddit.taxregulation

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

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.ddit.taxregulation

/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 142.250.187.206:443 tcp
US 1.1.1.1:53 android.apis.google.com udp
GB 216.58.204.78:443 android.apis.google.com tcp

Files

/data/data/com.ddit.taxregulation/databases/bugly_db_legu-journal

MD5 34340e73f9623d6a60d5b69891425d0c
SHA1 1e4d35c9943e953a3cada57511be73cfe8e4bc30
SHA256 07d3704d9e607ca5a8df681c429f3f7856898b41b0bed3a80820573ec4f85427
SHA512 cf1bc68c34de54dba1c9ebdac78b3f845f798ee78e1fe6291b010e618071cd3ef1fce64d01fa8a32a2f0b39c2d1718e35ea46024ef15137c9d9af3a22fe0f54b

/data/data/com.ddit.taxregulation/databases/bugly_db_legu

MD5 f2b4b0190b9f384ca885f0c8c9b14700
SHA1 934ff2646757b5b6e7f20f6a0aa76c7f995d9361
SHA256 0a8ffb6b327963558716e87db8946016d143e39f895fa1b43e95ba7032ce2514
SHA512 ec12685fc0d60526eed4d38820aad95611f3e93ae372be5a57142d8e8a1ba17e6e5dfe381a4e1365dddc0b363c9c40daaffdc1245bd515fddac69bf1abacd7f1

/data/data/com.ddit.taxregulation/databases/bugly_db_legu-shm

MD5 bb7df04e1b0a2570657527a7e108ae23
SHA1 5188431849b4613152fd7bdba6a3ff0a4fd6424b
SHA256 c35020473aed1b4642cd726cad727b63fff2824ad68cedd7ffb73c7cbd890479
SHA512 768007e06b0cd9e62d50f458b9435c6dda0a6d272f0b15550f97c478394b743331c3a9c9236e09ab5b9cb3b423b2320a5d66eb3c7068db9ea37891ca40e47012

/data/data/com.ddit.taxregulation/databases/bugly_db_legu-wal

MD5 8f6ed70dd6489e1c1d27d22f597fec69
SHA1 9cc94f7cf40adf6907e7783cc323522d3d652bb4
SHA256 32b7c75529cb6a59fb29188847cb27a8971fa30fb3d91ed3e675e7f89bbe2cf5
SHA512 beb2bd1fe4cc4bc7d472a52a1d801342c46824f0fcd478e32aedcfe4027c02b7cebe278c5a28dd84b4912a5007bbde8caecb1fab562dc8c6d84c60685f6c5e25