Malware Analysis Report

2024-09-09 17:53

Sample ID 240613-c93f8avgqq
Target a395ccc26ff9750d8777ad359fa6f26c_JaffaCakes118
SHA256 29be6c1ff03b7d8633d1ca73f9635ca8c037e498bb46265bef19ac19f12c1b34
Tags
discovery evasion impact persistence
score
8/10

Table of Contents

Analysis Overview

MITRE ATT&CK Matrix

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
8/10

SHA256

29be6c1ff03b7d8633d1ca73f9635ca8c037e498bb46265bef19ac19f12c1b34

Threat Level: Likely malicious

The file a395ccc26ff9750d8777ad359fa6f26c_JaffaCakes118 was found to be: Likely malicious.

Malicious Activity Summary

discovery evasion impact persistence

Checks if the Android device is rooted.

Loads dropped Dex/Jar

Queries information about running processes on the device

Requests dangerous framework permissions

Queries information about active data network

Queries the mobile country code (MCC)

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

Uses Crypto APIs (Might try to encrypt user data)

Checks memory information

Checks CPU information

MITRE ATT&CK Matrix

N/A

Analysis: static1

Detonation Overview

Reported

2024-06-13 02:47

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-13 02:47

Reported

2024-06-13 02:50

Platform

android-x86-arm-20240611.1-en

Max time kernel

179s

Max time network

151s

Command Line

com.droidcorp.tankpuzzles

Signatures

Checks if the Android device is rooted.

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

Loads dropped Dex/Jar

evasion
Description Indicator Process Target
N/A /data/user/0/com.droidcorp.tankpuzzles/cache/1582435991586.jar N/A N/A
N/A /data/user/0/com.droidcorp.tankpuzzles/cache/1582435991586.jar 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 active data network

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

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.droidcorp.tankpuzzles

/system/bin/dex2oat --instruction-set=x86 --instruction-set-features=ssse3,-sse4.1,-sse4.2,-avx,-avx2,-popcnt --runtime-arg -Xhidden-api-checks --runtime-arg -Xrelocate --boot-image=/system/framework/boot.art --runtime-arg -Xms64m --runtime-arg -Xmx512m --instruction-set-variant=x86 --instruction-set-features=default --inline-max-code-units=0 --compact-dex-level=none --dex-file=/data/user/0/com.droidcorp.tankpuzzles/cache/1582435991586.jar --output-vdex-fd=56 --oat-fd=57 --oat-location=/data/user/0/com.droidcorp.tankpuzzles/cache/oat/x86/1582435991586.odex --compiler-filter=quicken --class-loader-context=&

Network

Country Destination Domain Proto
N/A 224.0.0.251:5353 udp
US 1.1.1.1:53 googleads.g.doubleclick.net udp
GB 142.250.180.2:443 googleads.g.doubleclick.net tcp
GB 142.250.180.2:443 googleads.g.doubleclick.net tcp
GB 142.250.180.2:443 googleads.g.doubleclick.net tcp
US 1.1.1.1:53 tpc.googlesyndication.com udp
GB 142.250.187.225:443 tpc.googlesyndication.com tcp
US 1.1.1.1:53 www.googletagservices.com udp
GB 216.58.204.66:443 www.googletagservices.com tcp
GB 142.250.180.2:443 googleads.g.doubleclick.net tcp
GB 142.250.187.206:443 tcp
US 1.1.1.1:53 android.apis.google.com udp
GB 216.58.201.110:443 android.apis.google.com tcp
GB 172.217.169.10:443 tcp
US 1.1.1.1:53 ads.mp.mydas.mobi udp
US 1.1.1.1:53 androidsdk.ads.mp.mydas.mobi udp
GB 87.248.114.11:80 androidsdk.ads.mp.mydas.mobi tcp
GB 87.248.114.11:443 androidsdk.ads.mp.mydas.mobi tcp
GB 87.248.114.11:443 androidsdk.ads.mp.mydas.mobi tcp

Files

/data/data/com.droidcorp.tankpuzzles/files/puzzles.sqlite

MD5 877b15662ec1530d6097d142f7142ca3
SHA1 8d1e61b55c442fb952a57127de0cb02fa9550e21
SHA256 6f81e5370a051b1a9ce56130bbc0357c49e69f0f5631c9f23882420950b62b33
SHA512 ac9547d9ec4e7a5c13d39a01ca06811bc221ce25c6faf83188662b8f33e80fe837518af85f5e0dfa89ba008a39749e5ba311770ebf1f6b2a772615dd8a437f32

/data/data/com.droidcorp.tankpuzzles/cache/1582435991586.jar

MD5 e8e0527a01aefdb89afd2c508f131da1
SHA1 f1103e6b260c657ceb3d95f1b023af3fda8b133a
SHA256 f809447486f89fcaa74f87e06d126d103d37eb2b3157e88f2c06d989b2c284ce
SHA512 fb53683a83f1068d0f94567b156e6a8910c45b1b5f33db919f7e0b9c55eab28507a235ef76d44d5b549599ea3b54dbc00496a633339d276a80f395da938d6d34

/data/user/0/com.droidcorp.tankpuzzles/cache/1582435991586.jar

MD5 fde2ee00cbd121cfab5290b078aa3ceb
SHA1 e2b77d5320e155e413d040a8c20020962065b2f8
SHA256 2897b0812077c654a9b3fbb0b6303d5cde681eeba7ad9981de65716c7810d685
SHA512 a9326aff8e454a2b4ac09984ef2a65fddd4dc146b4c44d839035549bff8c9fdaae490326d0b018f76c1ca2e4fb25426d74f550ca0950982fba632a023af99a56

/data/user/0/com.droidcorp.tankpuzzles/cache/1582435991586.jar

MD5 2048eb6124a452540ee51dae4145aadf
SHA1 d05005b2cd7fe4cd652b0d7fd1bdac2c19d51451
SHA256 105c54b6fe3f25350e92187467761598e4c21d62b1091b77d091f65f3bd98864
SHA512 bb6cb3853dd2a5d0701e20607d4e153ae201268dd2e5e2d06cc2df208b3b4dc50132a4ab428251b1644d2399fcc717662438d082ff14203387bab8794109d44d

/data/data/com.droidcorp.tankpuzzles/UserDefault.xml

MD5 4a8226e4211ccb4cb79f54d4ee35a55a
SHA1 7144e993ff784e4458c4d53d6f9f29930cf13fb8
SHA256 8d5bfd20db452314b315192d7160e28bce53c777c98a31aa6df7c93345a692eb
SHA512 7d7480da93b3363306438c7cc08fb913e29098eb19c4f6ac40ac5282329ecd8eae77fed695822955183a4b7084d18da89c2c937af5fcdf43b3f1bd7854cc7041

/data/data/com.droidcorp.tankpuzzles/UserDefault.xml

MD5 3ed66deffd8c6cabfcbf4696c43cdc89
SHA1 06d20773df3c7a3b071abf0eff6b9303674c1bf4
SHA256 937f9ff6f61badfef479717a707a14ec07c8822854cd333b88b66f935e5ea91c
SHA512 b22f66322d9db2e62e7453da28a48eb540ce268aeca51e7792d06d2ab28fcbcd61ba62cfe45f50732400f77a9fde4f596a809533f7380d6bbe97227cfe742525

/data/data/com.droidcorp.tankpuzzles/cache/oat/1582435991586.jar.cur.prof

MD5 a3b78d197d786c13687c3f0f89703bd8
SHA1 9967f0726b6b1ed3f198904547b81920f8329621
SHA256 c5e6754556dbe01b055066f23c28ddaaf5fe67cee4baed00d59dc993335b3d97
SHA512 9a47c9bb977edec9d29d22f280e0078ca931a722eaecc2b085c6b5aaf6246d17a6ad07c9faca45070bb5b89a3ee6cf896f5e2c7e73fb033e3ac57471df70a8b1