Malware Analysis Report

2025-08-05 19:10

Sample ID 240518-v4xb5aeh5y
Target 55f3a9d05dbe2b36790328e2736efebe_JaffaCakes118
SHA256 a92994414a4b672d7f523f7cbe68a8fe2320b0ec5917eb9364dd8077a66b8254
Tags
collection 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 Overview

score
7/10

SHA256

a92994414a4b672d7f523f7cbe68a8fe2320b0ec5917eb9364dd8077a66b8254

Threat Level: Shows suspicious behavior

The file 55f3a9d05dbe2b36790328e2736efebe_JaffaCakes118 was found to be: Shows suspicious behavior.

Malicious Activity Summary

collection discovery evasion impact persistence

Queries information about running processes on the device

Queries information about the current Wi-Fi connection

Reads the content of the call log.

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

Checks CPU information

Queries the phone number (MSISDN for GSM devices)

Requests dangerous framework permissions

Reads information about phone network operator.

Checks if the internet connection is available

Uses Crypto APIs (Might try to encrypt user data)

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-05-18 17:33

Signatures

Requests dangerous framework permissions

Description Indicator Process Target
Allows an application to read or write the system settings. android.permission.WRITE_SETTINGS N/A N/A
Allows an application to record audio. android.permission.RECORD_AUDIO N/A N/A
Required to be able to access the camera device. android.permission.CAMERA 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 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 read the user's contacts data. android.permission.READ_CONTACTS N/A N/A
Allows an application to read SMS messages. android.permission.READ_SMS N/A N/A
Allows an application to receive SMS messages. android.permission.RECEIVE_SMS 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 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
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 call log. android.permission.READ_CALL_LOG N/A N/A
Allows an application to write and read the user's call log data. android.permission.WRITE_CALL_LOG N/A N/A
Allows an application to receive WAP push messages. android.permission.RECEIVE_WAP_PUSH N/A N/A
Allows an application to write the user's contacts data. android.permission.WRITE_CONTACTS 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

2024-05-18 17:33

Reported

2024-05-18 17:36

Platform

android-x86-arm-20240514-en

Max time kernel

176s

Max time network

133s

Command Line

com.fox.exercisewell

Signatures

Checks CPU information

evasion discovery
Description Indicator Process Target
File opened for read /proc/cpuinfo 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 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 phone number (MSISDN for GSM devices)

discovery

Reads the content of the call log.

collection
Description Indicator Process Target
URI accessed for read content://call_log/calls 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 if the internet connection is available

discovery
Description Indicator Process Target
Framework service call android.net.IConnectivityManager.getActiveNetworkInfo N/A N/A

Reads information about phone network operator.

discovery

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

Processes

com.fox.exercisewell

Network

Country Destination Domain Proto
GB 216.58.213.3:443 tcp
GB 142.250.200.14:443 tcp
N/A 224.0.0.251:5353 udp
US 1.1.1.1:53 api.smart.yongdata.com udp
US 3.130.204.160:80 api.smart.yongdata.com tcp
US 1.1.1.1:53 kupao.mobifox.cn udp
US 1.1.1.1:53 oc.umeng.com udp
CN 59.82.23.79:80 oc.umeng.com tcp
US 1.1.1.1:53 api-st.spacestats.com udp
DE 3.64.163.50:80 api-st.spacestats.com tcp
US 1.1.1.1:53 alog.umeng.com udp
CN 223.109.148.177:80 alog.umeng.com tcp
US 3.130.204.160:80 api.smart.yongdata.com tcp
US 1.1.1.1:53 oc.umeng.co udp
GB 172.217.169.14:443 tcp
US 1.1.1.1:53 android.apis.google.com udp
GB 142.250.187.206:443 android.apis.google.com tcp
CN 223.109.148.179:80 alog.umeng.com tcp
CN 223.109.148.176:80 alog.umeng.com tcp
CN 223.109.148.141:80 alog.umeng.com tcp
CN 223.109.148.178:80 alog.umeng.com tcp
CN 223.109.148.130:80 alog.umeng.com tcp
US 1.1.1.1:53 api.smart.yongdata.com udp
US 54.209.32.212:80 api.smart.yongdata.com tcp
US 1.1.1.1:53 alog.umeng.co udp
US 1.1.1.1:53 api.smart.yongdata.com udp
US 34.205.242.146:80 api.smart.yongdata.com tcp

Files

/data/data/com.fox.exercisewell/databases/event.db-journal

MD5 02f2fd8f4f69d2e55a35ccbd8098b12c
SHA1 b6236260c955aff5fd878007da0261aac54c8280
SHA256 ee3f505d839e2c02137526b373bab51bb3917a0df7681795df5837269f442d2d
SHA512 2feb3f0784f394c42a79a60a104f37a03ad101fb50f71c7f07d63edf7200cd28f262d6f5cdf06bdadda9baed2d5e1496f94e79267e6d3fd1a1a043f0874ecdee

/data/data/com.fox.exercisewell/databases/event.db

MD5 f2b4b0190b9f384ca885f0c8c9b14700
SHA1 934ff2646757b5b6e7f20f6a0aa76c7f995d9361
SHA256 0a8ffb6b327963558716e87db8946016d143e39f895fa1b43e95ba7032ce2514
SHA512 ec12685fc0d60526eed4d38820aad95611f3e93ae372be5a57142d8e8a1ba17e6e5dfe381a4e1365dddc0b363c9c40daaffdc1245bd515fddac69bf1abacd7f1

/data/data/com.fox.exercisewell/databases/event.db-shm

MD5 bb7df04e1b0a2570657527a7e108ae23
SHA1 5188431849b4613152fd7bdba6a3ff0a4fd6424b
SHA256 c35020473aed1b4642cd726cad727b63fff2824ad68cedd7ffb73c7cbd890479
SHA512 768007e06b0cd9e62d50f458b9435c6dda0a6d272f0b15550f97c478394b743331c3a9c9236e09ab5b9cb3b423b2320a5d66eb3c7068db9ea37891ca40e47012

/data/data/com.fox.exercisewell/databases/event.db-wal

MD5 80326efe99fb6e818bfae221bff27b57
SHA1 8bac4272ac8923a8857370da3058de58758850a0
SHA256 fe95d340b42999126306d18627db55eca844d573ea4bea86e30cbd93238d6c2c
SHA512 d67ff6593d0bb47a26706407ee552f168574cf0cc28f0404e56d93ef16b7f915758d8e79046e08798f6a565aaa48305f62e356accee104783b415aee6fe153af

/storage/emulated/0/.UTSystemConfig/Global/Alvin2.xml

MD5 9781ca003f10f8d0c9c1945b63fdca7f
SHA1 4156cf5dc8d71dbab734d25e5e1598b37a5456f4
SHA256 3325d2a819fdd8062c2cdc48a09b995c9b012915bcdf88b1cf9742a7f057c793
SHA512 25a9877e274e0e9df29811825bd4f680fa0bf0ae6219527e4f1dcd17d0995d28b2926192d961a06ee5bef2eed73b3f38ec4ffdd0a1cda7ff2a10dc5711ffdf03

/storage/emulated/0/.UTSystemConfig/Global/Alvin2.xml

MD5 b3caa17c3d84654223317788ad827e34
SHA1 06a6286a4e966d012277ce399998fe452e2b74f2
SHA256 e6fffb01ceb8b41a379cbaf065908fd6aabbccb3cf1e5d9d4e3c3b33971aa4e1
SHA512 44bdd44885618be63c2f7b6aa8042833f689a04e2a509e1ea5cbc507606a6f25a49e6e5c608f5ca63a3bf438d8664d724a157a600cd7c73588be972577327cce

/storage/emulated/0/.DataStorage/ContextData.xml

MD5 1f0d3e558ca34ebe1cb6185236a3b4b4
SHA1 8cd261affa9d02f48de38301fe315005510e89e5
SHA256 39fa3aae420caad7fa4cd924b246a5ba502f7ab9fb006ac73e0054ea57192991
SHA512 117066d0a38603963a147a591732aa614cb6e2a47ff260c6e72327b03864a7a9fe8742c710f95eca9ff8304a300e8f2d60b66b5efc6095a57fd96fd4f32947ea

/storage/emulated/0/.UTSystemConfig/Global/Alvin2.xml

MD5 504d91704c1c1d17b75b3623841eea7a
SHA1 0ad8d301a6060e61414f2b39071ab4a6c4eb2579
SHA256 0e41a5563a6a449cb974d0d81ef05813b87fb39bea0d59a890cb21a83d79c205
SHA512 de7dbeb723b992bf29c73026a61cda9947291291a931f894ea2a52a9943ef66bd08d717f7b74103e653c04b10cb5ca4428b3c39651b0d3e9bd6b6ec410029be1

/data/data/com.fox.exercisewell/databases/share.db-journal

MD5 762f9ba5c528ee12ac78a90cc35c24e1
SHA1 b25cae7e9dd9ead64b5eb663c256025538d37ac1
SHA256 05482f6d9d9d4ba601705b33053374f2e60bb8869122caaedc5c81ccd1f8d415
SHA512 71cb6cd609fbdfb7b72f4cefc52485ea6e1f5e483892b86dbffc3f1a4dc82b9bab53f904d49afcce0329d7f49f2f79eeb72edc26973f81471b4332053a1a7f5f

/data/data/com.fox.exercisewell/databases/share.db

MD5 9c61f5109a12262b6ce098820012a3ff
SHA1 253d272238adada3adc311ec7f9699dba5025c08
SHA256 b896693d22cfdd52d8b4598acc2ef599718e3b61ff3effc1394ba9e9a70bae67
SHA512 be2e1b107aac6e1d99136d679a053c8bdd1c2e0d8ec6b610bfee90559a4a3692f66e88ba49f8a4378aefa877b71813186aee8905eb7d36eccc7ab0bc2f20b1fc

/data/data/com.fox.exercisewell/databases/share.db-wal

MD5 31f2b2903bfdd5cef5f7e8a24cdec9f8
SHA1 904fee9378bc329a62829978758a461d55efbff2
SHA256 609f34302d7a5c5cb01125d9bfe92665ab792c406cc7835ec040b607ce3d791a
SHA512 ed06d1492af66e2af541924a0a8ce3469a55bc0e86a2cb4d47809e2d10d3be369c72aa404823d3fe77bcfccdc7691832d10d8aed20d49f094ce006912a1260dc

/data/data/com.fox.exercisewell/files/umeng_it.cache

MD5 20207c17421748ce3016eb4c01236a24
SHA1 0ea03e6e42d898a5d15decd3044123967619f357
SHA256 f628084a2a2bbe1d1aaf68e833de2ea372342ff5d994b9c7242260d6ec70e3ef
SHA512 9d25736790224488e61e71aa477f530ae21de96e8062e44ae8bcf7147dca647a0290d44666619cb7160fd1eca93539cd5b555097fad35f675235158c2a9d377c

/data/data/com.fox.exercisewell/files/.um/um_cache_1716053667610.env

MD5 742ebbf4d92fdf4a7c48fba83ae13708
SHA1 c3833675ef77e4dff4d7f6ae8ecd7227ae238a9a
SHA256 4d86d1c359583e00be9f96673308a1c8438a365063df8f93654c7ff93624fb0a
SHA512 9f0feab4e01353ee5b923a3706551ef49f7b510bd8281b83c10cbaef2f5502b2564655ef66e0834233e5a60d6daa961840c3f6f372569e639d0d26c2308d85da