Malware Analysis Report

2025-01-19 07:59

Sample ID 240616-rtlk4a1bnj
Target b3fcae87c8cb996aff99f7095d3ab893_JaffaCakes118
SHA256 3e5e1eac1b29d1c9eda72aba34d4bb8b610b6e4329640b0d4ceec23b9ab3e7b0
Tags
discovery evasion execution 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 Overview

score
8/10

SHA256

3e5e1eac1b29d1c9eda72aba34d4bb8b610b6e4329640b0d4ceec23b9ab3e7b0

Threat Level: Likely malicious

The file b3fcae87c8cb996aff99f7095d3ab893_JaffaCakes118 was found to be: Likely malicious.

Malicious Activity Summary

discovery evasion execution impact persistence

Checks if the Android device is rooted.

Queries information about running processes on the device

Queries information about active data network

Reads information about phone network operator.

Requests dangerous framework permissions

Queries information about the current Wi-Fi connection

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

Schedules tasks to execute at a specified time

Uses Crypto APIs (Might try to encrypt user data)

Checks CPU information

Checks memory information

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-16 14:29

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 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 application to record audio. android.permission.RECORD_AUDIO 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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-16 14:29

Reported

2024-06-16 14:32

Platform

android-x86-arm-20240611.1-en

Max time kernel

157s

Max time network

185s

Command Line

com.yxxinglin.xzid35996

Signatures

Checks if the Android device is rooted.

evasion
Description Indicator Process Target
N/A /system/xbin/su N/A N/A
N/A /system/app/Superuser.apk N/A N/A
N/A /sbin/su N/A N/A
N/A /system/bin/su 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
Framework service call android.app.IActivityManager.getRunningAppProcesses 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
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

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
Framework service call android.app.IActivityManager.registerReceiver N/A N/A

Schedules tasks to execute at a specified time

execution persistence
Description Indicator Process Target
Framework service call android.app.job.IJobScheduler.schedule 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.yxxinglin.xzid35996

/system/bin/cat /sys/devices/system/cpu/cpu0/cpufreq/cpuinfo_max_freq

/system/bin/cat /sys/devices/system/cpu/cpu0/cpufreq/cpuinfo_min_freq

/system/bin/sh -c getprop

getprop

/system/bin/sh -c type su

com.yxxinglin.xzid35996:channel

Network

Country Destination Domain Proto
N/A 224.0.0.251:5353 udp
US 1.1.1.1:53 cgi.connect.qq.com udp
US 1.1.1.1:53 api.weibo.com udp
HK 43.154.252.110:80 cgi.connect.qq.com tcp
HK 36.51.224.49:443 api.weibo.com tcp
HK 43.154.252.110:443 cgi.connect.qq.com tcp
US 1.1.1.1:53 umengacs.m.taobao.com udp
CN 36.143.252.48:443 umengacs.m.taobao.com tcp
US 1.1.1.1:53 pingma.qq.com udp
CN 119.45.78.184:80 pingma.qq.com tcp
US 1.1.1.1:53 amdcopen.m.taobao.com udp
HK 36.51.224.49:443 api.weibo.com tcp
CN 203.119.217.116:80 amdcopen.m.taobao.com tcp
CN 203.119.217.116:80 amdcopen.m.taobao.com tcp
US 1.1.1.1:53 pv.sohu.com udp
GB 43.132.64.26:80 pv.sohu.com tcp
US 1.1.1.1:53 kefu2.qkagame.com udp
GB 163.171.146.42:80 kefu2.qkagame.com tcp
US 1.1.1.1:53 update.qkagame.com udp
GB 163.171.146.42:443 update.qkagame.com tcp
US 1.1.1.1:53 android.bugly.qq.com udp
CN 14.22.7.199:80 android.bugly.qq.com tcp
US 1.1.1.1:53 down.qkagame.net udp
US 69.28.62.188:443 down.qkagame.net tcp
GB 142.250.187.206:443 tcp
US 1.1.1.1:53 android.apis.google.com udp
GB 142.250.179.238:443 android.apis.google.com tcp
CN 36.143.252.48:443 umengacs.m.taobao.com tcp
US 1.1.1.1:53 umengjmacs.m.taobao.com udp
US 1.1.1.1:53 umengjmacs.m.taobao.com udp
CN 123.183.232.33:80 umengjmacs.m.taobao.com tcp
CN 203.119.217.116:80 amdcopen.m.taobao.com tcp
CN 203.119.217.116:80 amdcopen.m.taobao.com tcp
CN 203.119.217.116:80 amdcopen.m.taobao.com tcp
CN 203.119.217.116:80 amdcopen.m.taobao.com tcp
CN 119.147.179.152:80 android.bugly.qq.com tcp
CN 203.119.217.116:80 amdcopen.m.taobao.com tcp
CN 203.119.217.116:80 amdcopen.m.taobao.com tcp
CN 106.11.61.135:80 tcp
CN 106.11.61.135:80 tcp
CN 106.11.61.135:80 tcp
CN 106.11.61.135:80 tcp
CN 123.183.232.33:443 umengjmacs.m.taobao.com tcp
CN 14.22.7.140:80 android.bugly.qq.com tcp
US 1.1.1.1:53 umengjmacs.m.taobao.com udp
CN 123.183.232.33:443 umengjmacs.m.taobao.com tcp
US 1.1.1.1:53 android.bugly.qq.com udp
CN 14.22.7.140:80 android.bugly.qq.com tcp
US 1.1.1.1:53 umengjmacs.m.taobao.com udp
CN 110.253.189.144:80 umengjmacs.m.taobao.com tcp
US 1.1.1.1:53 amdcopen.m.taobao.com udp
CN 203.119.217.116:80 amdcopen.m.taobao.com tcp
CN 14.22.7.199:80 android.bugly.qq.com tcp
CN 203.119.217.116:80 amdcopen.m.taobao.com tcp

Files

/data/data/com.yxxinglin.xzid35996/databases/MessageStore.db-journal

MD5 f3013dad2f767eb95d846417fe236e4c
SHA1 2b296f8c7aa55e78985673a5aa64b06fa8b30f1d
SHA256 616bcfc86022f2c963f57b6974f8191b454d348302ab37808ce237f6fdaa30b6
SHA512 69c8dfdcf69d51dfd734cdffb171dcc7acf89e30efc43f4b748d052ea3d11b4fe37357dda759bcb8e12a218e67fda3abb2ad5fac6190df72ed6a89f777436b1b

/data/data/com.yxxinglin.xzid35996/databases/MessageStore.db

MD5 f2b4b0190b9f384ca885f0c8c9b14700
SHA1 934ff2646757b5b6e7f20f6a0aa76c7f995d9361
SHA256 0a8ffb6b327963558716e87db8946016d143e39f895fa1b43e95ba7032ce2514
SHA512 ec12685fc0d60526eed4d38820aad95611f3e93ae372be5a57142d8e8a1ba17e6e5dfe381a4e1365dddc0b363c9c40daaffdc1245bd515fddac69bf1abacd7f1

/data/data/com.yxxinglin.xzid35996/databases/MessageStore.db-shm

MD5 51c353912bd76b54d212f1a5bffbc868
SHA1 79564502a977c9079d40d759a63ae6c3f7924b51
SHA256 0de3724864dbd86806189e3076be7d75f05b4bc977e4908416ccfab2a6ec33ea
SHA512 364c026ace8d5b6e08c99f71875d202915dbb21156f435c10fe146bf9d3e96a5adb723a048755b837dd3784e04e05dd42670552dba38d03c759e913e1a9d1554

/data/data/com.yxxinglin.xzid35996/databases/MessageStore.db-wal

MD5 6ef211219402434e6677f8063b6ed806
SHA1 936d11c71ee20bf1c0c4a74568e4399e086fd63d
SHA256 78764c13751267d4ca33f12ed0ac0f3e373c97d57a23476ac7901a589846cea7
SHA512 a01e7e8a91d1c2f05340b077ccbced253f9362cf8ec4b5cf949741149ae22ada913d1f82f2507a30c05866a74fc44c0eae155f6d131f5c6f7286e8cced8de8c9

/data/data/com.yxxinglin.xzid35996/databases/MsgLogStore.db-journal

MD5 19ee2d3743f773f5f84f8b1d993849dc
SHA1 4992a1981a4c51faed1b32c1eca9d03839ae6942
SHA256 9a83da0205a2879403ab64ccc5d9e345f7057209633fa59a25456e97dad56d74
SHA512 9bfe87d0c1a2b3ff1d9f813a1e6cea70e500707ebe2ffc0dd9cee6ff9d56c21bacad1537b8d2a47d7b983a8a94eacf5811a779fdb61688a8dfd36e874874a49c

/data/data/com.yxxinglin.xzid35996/databases/MsgLogStore.db

MD5 0bbe05a4a8b2514db54e9c1bc787660a
SHA1 8abfba36e64b7999c5ffc5294ecd06a87a8e45d0
SHA256 5d438f7ed96b4b70c3d9e8d368da4a57070ec714e4ca7d907cacffe43565a1f6
SHA512 f14c692fcc59272aca23d72364c36f54f2b439fd1d81c1e077f22482875a65c9fd8b3597082c4d96f54a0f6e22cd98edfc89a1468dbda70d2cd71ce905647d81

/data/data/com.yxxinglin.xzid35996/databases/MsgLogStore.db-shm

MD5 ad1a7ecef946dc5d6cb9fbd438c5ff67
SHA1 a10cd6ef58a3e198ffb7f2b978705e5535d1de97
SHA256 1d47af619c00dc63c46b4ad4425dadd7a40945834a3068a6fa8dd0ffe621c2c6
SHA512 7c341481969f90965e813e0d54f056f742b6057f4e7d63f558aced66c62089359a5d0b327e2f0a16912f8abd681a8da34f68e98e52d323e0707db176b6c5c1ac

/data/data/com.yxxinglin.xzid35996/databases/MsgLogStore.db-wal

MD5 5fcd6ac266b5694da531b6be113d4e14
SHA1 2e6b20ba77498d5a2e79d18dc71525270ccfcba5
SHA256 c0c3b411ee0c0dc2d081f7d8d4120c0441b5f178be3fd6f7576300e6a65680c7
SHA512 fbfc8cdd3372959c75e5224c2b39122a5051263f7ed49a800fa9507c915d6daf400eaaac25306888cc397e820931c98314b35bc9d5a82533cc652297c4f5d5cb

/data/data/com.yxxinglin.xzid35996/databases/accs.db-journal

MD5 c606818e698da32d3bc3bd531a55a1c8
SHA1 8f28a49e6120746cd1587d1f911bf1d7c492bfb7
SHA256 d197f14cb2cefeabedff2abf7ab6597b64625fee50d296ccb5f45f945149b74f
SHA512 964d4644e5a38723a14dc0b7fd8cd98f944f79fc0a0c6ce7409957df7a732ea5a1e8ff979095225cdbfec64f7e77c50f57eb281a9230edaf1377608980192daf

/data/data/com.yxxinglin.xzid35996/databases/accs.db

MD5 486e2bac2b3e9e1cb411d2838a4854bd
SHA1 81dd0a7537f4af319b830ae834908986be85da8b
SHA256 5644a250fa6cef16c2c802b98275656a5fc39dcf89bcc22193742d85c7313f57
SHA512 c146789563dae163e373489b3df53f22efebd32b69643992969241eb5ad5eec668de67e7cd2aaf5c3a8af57b0842115d00183825734f57643d3fdb09835fe681

/data/data/com.yxxinglin.xzid35996/databases/accs.db-shm

MD5 bb7df04e1b0a2570657527a7e108ae23
SHA1 5188431849b4613152fd7bdba6a3ff0a4fd6424b
SHA256 c35020473aed1b4642cd726cad727b63fff2824ad68cedd7ffb73c7cbd890479
SHA512 768007e06b0cd9e62d50f458b9435c6dda0a6d272f0b15550f97c478394b743331c3a9c9236e09ab5b9cb3b423b2320a5d66eb3c7068db9ea37891ca40e47012

/data/data/com.yxxinglin.xzid35996/databases/accs.db-wal

MD5 0cdbd1cfa759f7c5c024b5f72620810b
SHA1 b320b3d63ef77c9e89912eeef4d57f79b2fb6dcc
SHA256 00a0877e0c908ee95944eac87481ba5ac1945e5e1d2bb8cd9d72671410aba756
SHA512 bab080678872720b7890267acd1610aa212b82c731f7d5fcc5fd9308494bd75ea1cc3a5787fb4f03f5ef757608573961a0338b3429392a79054062b87d34cb19

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

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

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

MD5 11e72bdcce113164c5fe688cdfd4bbec
SHA1 a86cb268cabfad7aaf07aad3682ee07f817bcd39
SHA256 8a87346ea97bbbc48ce325e27a652d6c3f709542963372321fa9977221cc864d
SHA512 8f8cb047250ba7699269908bbb3156face41157a5931337a54dc846bc2d03c857d42fc794933e0b7e3d24475e40fe0b9365c6a662def354845f074998362bf15

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

MD5 d447f8bec2f92698d69bba2c1a4aed86
SHA1 7b06cd6da76d2a5a7eedd97c5dc5305706012341
SHA256 7664efea96a161576432c6e9d123a7551362657a5b08d0dd71a6f7553778a956
SHA512 a44819fdbf13c82d52e846ce12787453c4cc72e97dc12bed2a5c906f9c53f978a7599278561544cbf45a79287b7c3e7a7f60b054a31d4c6900692661577ca62c

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

MD5 27d61e3f0e14b1c29cd09fe5479632df
SHA1 d0e9a42ca1355ec0a2587faa3ffec3a2dcc94ddb
SHA256 e62897faae9486c1985b23a296ab0cc3b5d79bccde6621138acc7e5830be548c
SHA512 26517aed58517abe86657c7d35a59f661d6b41e7e1f5bf89b53452974df0543756b95d5bc895760b046db688c727a79453e5cc924479578a512d3d42729b29d1

/data/data/com.yxxinglin.xzid35996/databases/tencent_analysis.db-journal

MD5 3cd024e6a3594ced388f9a06416ad1b9
SHA1 7d837fd88e75f7a378f4c76f62d36f10564cead8
SHA256 328f18e691aac2fa559468577cd2c0d2a7f2f96b541cfb778719f62a2e4a9d4c
SHA512 59ad4c62a3ad453224fcd35b3e542820726f5bf2364efdeed4829ce8ce1f3ab95aa71dfca5cf129394bf6f204472cf76ee1d00dc7ffee0ea9710ff4065af8b72

/data/data/com.yxxinglin.xzid35996/databases/tencent_analysis.db-wal

MD5 1e6eeba666b0a32ce43597ff5edfafaf
SHA1 9f9a3f3eb1a0fecc82bbfa27b382375fd3755a8a
SHA256 56e7b3ddde9de043dace3581b834a1eb3d735a21f5d8c1f607b64974d7f6d0dc
SHA512 485fd533c53bd42712161e981b25888954d3b2bf1daff5050480a17c6d96b49a111a79add801dfe59c10b086af06c8320556273ea33a43a064d4ac61f6547341

/data/data/com.yxxinglin.xzid35996/files/com.tencent.open.config.json.101400326

MD5 f526172de1566b34fdcea744710d9559
SHA1 000cb54d9a008a807a1c5a3fd2b2e7cb41e7939d
SHA256 8572be02b59f4d514000939ec04a9b4e2380c55265256b724a617d8d0f4c6940
SHA512 dc81f0fe345b18c96b1638c67b9ef4c5e60059dfc4a02f3c30a23645d4847abeef46cf467d044c42597115c48052ce0e8ea24328382114a544c5dfd039a95e7d

/data/data/com.yxxinglin.xzid35996/files/cclogs/2024-06-16 142938.log

MD5 b5e5a9dc1a0fbaa402c4def9fec2ee2c
SHA1 d3029e776fe12219038dfebf5afaaee5f35001f7
SHA256 945e1f20814f4f2f72dcc7fc2b0e457229582265633ea56b8db977d60816049e
SHA512 6214903dd93a7854eaed5e5b27f97588722892c38185262390cba711392800fd39752c7e886977e69dbd4f9ea9e0c50132d69ac185a0f9bbb2f3af3533215b2e

/data/data/com.yxxinglin.xzid35996/databases/bugly_db_-journal

MD5 5d0e891edd9c66317099dcc15594f524
SHA1 674503f1c27f360e3da12f5a22439d5142d484b5
SHA256 74d33ff74a8997dd3ad135a74026469242db7f06c264eb07100568f0de906936
SHA512 49fffd7e398500680c3224f9f3d3ccf12ef9e5c87773b0b83b7907847f761e0195823578163c5f9c9bcf0a41ea009b14510415d802c971fc3e74da250b859156

/data/data/com.yxxinglin.xzid35996/app_crashrecord/1004

MD5 8866b37cfbfbc320ef43a9649e69f5e5
SHA1 71893a7d50d1e7937106b43f782d2238bd4c14a2
SHA256 e82a7fbf22049d488ba55d594abb37df8e6ec5bcafb4f1d0441326ac5da58d4a
SHA512 8f18c696fc37699f71aee9e91c77b338473f299a1a49d6d087fbd3020071786dd295a15821f457fe91b0b756b8764cc00a092ad6888256af5f05c8b0466e3d00

/data/data/com.yxxinglin.xzid35996/databases/bugly_db_-wal

MD5 c9d80896664adc9099e396d8b2595732
SHA1 ff90eb2b13908a70456e547ae8961b8d9d2be25d
SHA256 981f3e4ff93d2d4d77915906406a535c52eaa0a812f572dc7ff4175715d7dfb0
SHA512 b8ffe27fd1fee170d48715f6462382d43e80cbc2c62cadf393959528969624ac297bfe335052586649e25a360546404b9d74431a8e08154325f590c9a43b01a9

/data/data/com.yxxinglin.xzid35996/app_crashrecord/1004

MD5 0d210bfb2a0e1f1b4c082a6a0f79de07
SHA1 bb8ed9e364db79d1d9f2fcde3f15091893222faa
SHA256 988722c23d78a46021d0e7ca9deee7aa8bb83288269174ffacb7316f381cca1d
SHA512 536e9867b0df29b15b789f8949be6ab37fcdeccb9d39ded981da7dc2052c9533d0ec0e6f9a5444132977605d372e1463d91bdde41b528ff2ca3f65ab152325c1