Malware Analysis Report

2025-01-19 08:05

Sample ID 240610-qbj4wawepa
Target 9ac1bb216a99157fb161973976611f46_JaffaCakes118
SHA256 35cbee8b110ad9f33e12e92952604b283f4ee0c24b72efba719cf11230fc6a3e
Tags
discovery evasion impact persistence
score
7/10

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: behavioral3

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral4

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
7/10

SHA256

35cbee8b110ad9f33e12e92952604b283f4ee0c24b72efba719cf11230fc6a3e

Threat Level: Shows suspicious behavior

The file 9ac1bb216a99157fb161973976611f46_JaffaCakes118 was found to be: Shows suspicious behavior.

Malicious Activity Summary

discovery evasion impact persistence

Loads dropped Dex/Jar

Queries information about running processes on the device

Queries the phone number (MSISDN for GSM devices)

Queries the mobile country code (MCC)

Requests dangerous framework permissions

Queries information about active data network

Queries information about the current Wi-Fi connection

Reads information about phone network operator.

Uses Crypto APIs (Might try to encrypt user data)

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

Checks CPU information

Checks memory information

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-10 13:05

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 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 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 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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-10 13:05

Reported

2024-06-10 13:08

Platform

android-x86-arm-20240603-en

Max time kernel

179s

Max time network

182s

Command Line

com.kepan.lyzbt

Signatures

Loads dropped Dex/Jar

evasion
Description Indicator Process Target
N/A /storage/emulated/0/Android/data/com.kepan.lyzbt/cache/sdk_plugin.apk N/A N/A

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

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

Reads information about phone network operator.

discovery

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 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

com.kepan.lyzbt

Network

Country Destination Domain Proto
N/A 224.0.0.251:5353 udp
US 1.1.1.1:53 sdkreport.quickapi.net udp
US 1.1.1.1:53 serverip.sdk.quicksdk.net udp
US 1.1.1.1:53 sdk.kepan365.com udp
US 1.1.1.1:53 sdk.chinatzw.net udp
CN 47.96.103.195:443 sdk.kepan365.com tcp
CN 47.96.103.195:443 sdk.kepan365.com tcp
CN 47.96.103.195:443 sdk.kepan365.com tcp
CN 117.78.17.69:443 sdk.chinatzw.net tcp
CN 117.78.17.69:443 sdk.chinatzw.net tcp
CN 180.150.191.127:80 serverip.sdk.quicksdk.net tcp
US 1.1.1.1:53 sdkapi00.sdk.quicksdk.net udp
CN 106.75.35.13:80 sdkapi00.sdk.quicksdk.net tcp
GB 172.217.16.238:443 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 sdkreport.quickapi.net udp
US 1.1.1.1:53 sdkreport.quickapi.net udp
CN 180.150.191.127:80 serverip.sdk.quicksdk.net tcp
US 1.1.1.1:53 sdkreport.quickapi.net udp
US 1.1.1.1:53 sdkreport.quickapi.net udp
US 1.1.1.1:53 sdkreport.quickapi.net udp
US 1.1.1.1:53 sdkreport.quickapi.net udp
US 1.1.1.1:53 sdkreport.quickapi.net udp
US 1.1.1.1:53 sdkreport.quickapi.net udp
US 1.1.1.1:53 sdkreport.quickapi.net udp
US 1.1.1.1:53 sdkreport.quickapi.net udp
US 1.1.1.1:53 sdkreport.quickapi.net udp
US 1.1.1.1:53 sdkreport.quickapi.net udp
US 1.1.1.1:53 sdkreport.quickapi.net udp
US 1.1.1.1:53 sdkreport.quickapi.net udp
US 1.1.1.1:53 sdkreport.quickapi.net udp
US 1.1.1.1:53 sdkreport.quickapi.net udp
US 1.1.1.1:53 sdkreport.quickapi.net udp
US 1.1.1.1:53 sdkreport.quickapi.net udp
US 1.1.1.1:53 sdkreport.quickapi.net udp
US 1.1.1.1:53 sdkreport.quickapi.net udp
US 1.1.1.1:53 sdkreport.quickapi.net udp
US 1.1.1.1:53 sdkreport.quickapi.net udp
US 1.1.1.1:53 sdkreport.quickapi.net udp
US 1.1.1.1:53 sdkreport.quickapi.net udp
US 1.1.1.1:53 sdkreport.quickapi.net udp
US 1.1.1.1:53 sdkreport.quickapi.net udp
US 1.1.1.1:53 sdkreport.quickapi.net udp
US 1.1.1.1:53 sdkreport.quickapi.net udp
US 1.1.1.1:53 sdkreport.quickapi.net udp
US 1.1.1.1:53 sdkreport.quickapi.net udp
US 1.1.1.1:53 sdkreport.quickapi.net udp
US 1.1.1.1:53 sdkreport.quickapi.net udp

Files

/data/data/com.kepan.lyzbt/app_crashrecord/1004

MD5 406f88cbaa332ff5e84e5b217b844641
SHA1 01aee27aaa2dae0e97c20ab9e03c8ba533f5cc29
SHA256 e56f92e074ec9719b32d1a33bcce18b9dea5a15bd5073ccb72d0befd0d4d0ac8
SHA512 43a7cb0065f5d6a390e3e1945d2609649d6d7d4640be15ca68200b9eb1677bf28bd0a85d98f4a7fcfd3ee61f2c49efcb06587789513da1bf7abbba507620932c

/data/data/com.kepan.lyzbt/databases/bugly_db_-journal

MD5 9e5cd9a0c7a74e694c28e597556d8b62
SHA1 a3b8af3ef4a0e7a13c2dd494a45f0abcf4ec95b0
SHA256 f66a9e5725981c3e30ed5ebf643d1841fe39f75c85cb11842d76450d7030806d
SHA512 1d67d6870d7ff8da74522bb4531dedc23bc77a29de02368054d1e729adadfac7c1af70ee5e7dddbc01ab70bf1076e565b7b2d903a42177114851eae39f694b2a

/data/data/com.kepan.lyzbt/databases/bugly_db_

MD5 f2b4b0190b9f384ca885f0c8c9b14700
SHA1 934ff2646757b5b6e7f20f6a0aa76c7f995d9361
SHA256 0a8ffb6b327963558716e87db8946016d143e39f895fa1b43e95ba7032ce2514
SHA512 ec12685fc0d60526eed4d38820aad95611f3e93ae372be5a57142d8e8a1ba17e6e5dfe381a4e1365dddc0b363c9c40daaffdc1245bd515fddac69bf1abacd7f1

/data/data/com.kepan.lyzbt/databases/bugly_db_-shm

MD5 bb7df04e1b0a2570657527a7e108ae23
SHA1 5188431849b4613152fd7bdba6a3ff0a4fd6424b
SHA256 c35020473aed1b4642cd726cad727b63fff2824ad68cedd7ffb73c7cbd890479
SHA512 768007e06b0cd9e62d50f458b9435c6dda0a6d272f0b15550f97c478394b743331c3a9c9236e09ab5b9cb3b423b2320a5d66eb3c7068db9ea37891ca40e47012

/data/data/com.kepan.lyzbt/databases/bugly_db_-wal

MD5 05cc2e255a1e0a49890adb670d019fdc
SHA1 2b4172a52b69cb0e3d688cb8abbcfbf72b16384f
SHA256 a38b12540b07a00a9d7539c21bb916f71d1b0c60935489a19bc7b2e3f74cb5d6
SHA512 d057b66a796a2aa7662ed5a99fcde1ec94c1221ff57795d45cc7f825c01fd16e805e9256c2b403985f26a944827209111bfa112690567dcf47c44802cdf21abe

/data/data/com.kepan.lyzbt/app_crashrecord/1004

MD5 0d210bfb2a0e1f1b4c082a6a0f79de07
SHA1 bb8ed9e364db79d1d9f2fcde3f15091893222faa
SHA256 988722c23d78a46021d0e7ca9deee7aa8bb83288269174ffacb7316f381cca1d
SHA512 536e9867b0df29b15b789f8949be6ab37fcdeccb9d39ded981da7dc2052c9533d0ec0e6f9a5444132977605d372e1463d91bdde41b528ff2ca3f65ab152325c1

/storage/emulated/0/UcQkDir/qk.dvid.txt

MD5 d5d96402c7e4650ade92264eeb933466
SHA1 9a547259c6b97d5858d9d096ee987a6e9fbed68f
SHA256 6e718dffa5e297d4919feb52ae04a5ec0119fed2657b0435e0cbc67628fc958c
SHA512 d45d23e3e9df79c044ea24d82b4ba9000fcac829e0868ab0331a52105b9d253d3ebf5bcfc6235a34d534e66b74eae217391c29bce0f36582bafeaf0f3302fe9e

/storage/emulated/0/Android/data/com.kepan.lyzbt/cache/sdk_plugin.apk

MD5 f75bd4f70d0ba71001259379d2666e72
SHA1 bc1fb1ed9cab17ae29e1c468f43f212f00c1fe5e
SHA256 618c25a5087d76741ef85c6789ed0c94ada0e432a0ea0efc42ca3010755a4492
SHA512 d9859852b827fc99e9e84b8fea88a70e24fc95d5b66133bedd0c76d7a2fbd13b2e89d3e557cc129347fa212105d18c333f780df3874b476538e19088d304bdd2

/storage/emulated/0/Android/data/com.kepan.lyzbt/cache/sdk_plugin.apk

MD5 66766eb5159fa3cdadba6a9ffc5ecaa6
SHA1 d23961815abee36787db6c379479db4371aeba43
SHA256 f597a091198a5e1f98f62cad33dfc33f8be380164e7063cf62902f8c153f29d9
SHA512 d1911dbf6e9a3521a8cc68a4b4150ab1cf1e23b75462bfedb7b541aa1807e0709a3c197aff4397af1880cb8bbbedf55e33a718701061d7a167448275a16cae62

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-10 13:05

Reported

2024-06-10 13:08

Platform

android-x86-arm-20240603-en

Max time kernel

7s

Max time network

132s

Command Line

com.zhengchong.zcgamesdk.plugin

Signatures

N/A

Processes

com.zhengchong.zcgamesdk.plugin

Network

Country Destination Domain Proto
N/A 224.0.0.251:5353 udp
GB 142.250.200.46:443 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

2024-06-10 13:05

Reported

2024-06-10 13:08

Platform

android-x64-20240603-en

Max time kernel

7s

Max time network

131s

Command Line

com.zhengchong.zcgamesdk.plugin

Signatures

N/A

Processes

com.zhengchong.zcgamesdk.plugin

Network

Country Destination Domain Proto
N/A 224.0.0.251:5353 udp
GB 172.217.16.234:443 tcp
US 1.1.1.1:53 android.apis.google.com udp
GB 172.217.16.238:443 android.apis.google.com tcp
GB 142.250.200.46:443 tcp
US 1.1.1.1:53 ssl.google-analytics.com udp
GB 142.250.200.8:443 ssl.google-analytics.com tcp
GB 142.250.200.46:443 tcp
GB 172.217.169.66:443 tcp
GB 142.250.187.228:443 tcp
GB 142.250.187.228:443 tcp

Files

N/A

Analysis: behavioral4

Detonation Overview

Submitted

2024-06-10 13:05

Reported

2024-06-10 13:08

Platform

android-x64-arm64-20240603-en

Max time kernel

7s

Max time network

133s

Command Line

com.zhengchong.zcgamesdk.plugin

Signatures

N/A

Processes

com.zhengchong.zcgamesdk.plugin

Network

Country Destination Domain Proto
N/A 224.0.0.251:5353 udp
GB 172.217.16.238:443 tcp
GB 172.217.16.238:443 tcp
GB 216.58.201.106:443 tcp
GB 216.58.201.106:443 tcp
US 1.1.1.1:53 ssl.google-analytics.com udp
GB 172.217.16.232:443 ssl.google-analytics.com tcp
GB 172.217.169.68:443 tcp
GB 172.217.169.68:443 tcp

Files

N/A