Malware Analysis Report

2025-01-02 07:54

Sample ID 240509-tezwaadc23
Target 2abc9dcb6f0e48170b9403c477cd2d0c_JaffaCakes118
SHA256 19ceb17e79b05a2620d70870e0160a4a67a53146339874643cf986d6edcf0577
Tags
banker collection credential_access discovery evasion impact privateloader persistence
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Mobile Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

19ceb17e79b05a2620d70870e0160a4a67a53146339874643cf986d6edcf0577

Threat Level: Known bad

The file 2abc9dcb6f0e48170b9403c477cd2d0c_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

banker collection credential_access discovery evasion impact privateloader persistence

Privateloader family

Queries a list of all the installed applications on the device (Might be used in an attempt to overlay legitimate apps)

Checks memory information

Obtains sensitive information copied to the device clipboard

Queries information about the current nearby Wi-Fi networks

Queries the mobile country code (MCC)

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

Checks if the internet connection is available

Requests dangerous framework permissions

Reads information about phone network operator.

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-05-09 15:59

Signatures

Privateloader family

privateloader

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: behavioral2

Detonation Overview

Submitted

2024-05-09 15:58

Reported

2024-05-09 16:02

Platform

android-x64-arm64-20240506-en

Max time kernel

20s

Max time network

131s

Command Line

co.ygopro.ygoproandroid

Signatures

Queries a list of all the installed applications on the device (Might be used in an attempt to overlay legitimate apps)

banker discovery

Checks memory information

evasion discovery
Description Indicator Process Target
File opened for read /proc/meminfo N/A N/A

Obtains sensitive information copied to the device clipboard

collection credential_access impact
Description Indicator Process Target
Framework service call android.content.IClipboard.addPrimaryClipChangedListener N/A N/A

Queries information about the current nearby Wi-Fi networks

discovery
Description Indicator Process Target
Framework service call android.net.wifi.IWifiManager.getScanResults 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

Processes

co.ygopro.ygoproandroid

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 142.250.180.8:443 ssl.google-analytics.com tcp
US 1.1.1.1:53 init.startappexchange.com udp
US 1.1.1.1:53 www.startappexchange.com udp
DE 152.70.183.52:80 www.startappexchange.com tcp
DE 152.70.183.52:80 www.startappexchange.com tcp
DE 152.70.183.52:80 www.startappexchange.com tcp
GB 172.217.169.14:443 tcp
GB 172.217.169.14:443 tcp
US 1.1.1.1:53 android.apis.google.com udp
GB 142.250.179.238:443 android.apis.google.com tcp
GB 142.250.180.4:443 tcp
GB 142.250.180.4:443 tcp
GB 172.217.169.74:443 tcp
GB 142.250.187.226:443 tcp
GB 172.217.169.70:443 tcp
GB 142.250.200.34:443 tcp

Files

/storage/emulated/0/ygopro/deck/Deck.ydk

MD5 13e3909ead33d7027ba99b605b2e1bfe
SHA1 61a529fa473f5f450863a5941558c58db499bff8
SHA256 deab22d4352a3bff3d353bd3b847cec210632d36fdca17b7b7d3c5404b6f2db8
SHA512 f954183e081ace9f7616e120d5ae6e24e2035d8dc6b5333c84b29ce90c2e78f34598d5d7858a15631230bd5c5b47d3a11988dfef99cb1e2670227549bfba629a

/data/user/0/co.ygopro.ygoproandroid/databases/http_auth.db-journal

MD5 ede3e2f992650056205a8317621784b1
SHA1 b0cb0349ca6c56504052ae93caf698789f8b089c
SHA256 57399c9cae7121e0a1384d32b162cfb4169d50298da2a67c7edde1a2289af72f
SHA512 8a9946413954fa1df714bc80d62f738e9ea6a9387fd7af2f566eb4e694f7e82c03006c49ce4565932bf83fb0a4685deb47e419bd8a1b69eec5c71be0def4a6e1

/data/user/0/co.ygopro.ygoproandroid/databases/http_auth.db

MD5 ed710a8968441282a5939621c2771927
SHA1 b6ac28b3e32ea66790c52d6934608b5e71f3d5b8
SHA256 6e7b95a553c2528d6c564296a9e481a6d913074c35011a19f2da8e4807c53bb2
SHA512 547d7c530ad345edf6b880b7685d2ddf3770e595fe3a40041677cb0c296b15ec6d9e8ebf3f2db51624be41766a0af6764512f1c352d5fde22bdea81d7c08e364

/data/user/0/co.ygopro.ygoproandroid/databases/http_auth.db-journal

MD5 d9399d4c39b37a2df4b74657a0b8856b
SHA1 dac2bd07af8d1820515f7918674cd0ea87a3208c
SHA256 7d82793241f8a110ce0366dc4c327d21c78f8eefc72fc6b4676af2cb1b718b50
SHA512 5716d05923d670b1e8b2613f42433413d9ab169bdd5a136a3757b04cd606d87203f8f82c105bf6e8301002d90ee6f06945180a35871c994ee0f882f43a403005

/data/user/0/co.ygopro.ygoproandroid/databases/http_auth.db-journal

MD5 1b63fc7208857aaa2d62a3eaf267a690
SHA1 b688da8fff207020883de671ff272f58ee31a50f
SHA256 be668371571e9f33291ecaf8def4dea1ff74c3d0a876d3fcf09c969f20a5a6bc
SHA512 86ac4d13d5c3613fd617724a1349be741e992e89a23fe9f94c4873c11eeaa56f5be4f144050b5eddc923098f332cc3101f486a4530687eb935333a3676aa1e30

Analysis: behavioral1

Detonation Overview

Submitted

2024-05-09 15:58

Reported

2024-05-09 16:01

Platform

android-x86-arm-20240506-en

Max time kernel

18s

Max time network

130s

Command Line

co.ygopro.ygoproandroid

Signatures

Queries a list of all the installed applications on the device (Might be used in an attempt to overlay legitimate apps)

banker discovery

Checks memory information

evasion discovery
Description Indicator Process Target
File opened for read /proc/meminfo N/A N/A

Queries information about the current nearby Wi-Fi networks

discovery
Description Indicator Process Target
Framework service call android.net.wifi.IWifiManager.getScanResults 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

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

Processes

co.ygopro.ygoproandroid

Network

Country Destination Domain Proto
N/A 224.0.0.251:5353 udp
US 1.1.1.1:53 init.startappexchange.com udp
US 1.1.1.1:53 www.startappexchange.com udp
DE 152.70.183.52:80 www.startappexchange.com tcp
DE 152.70.183.52:80 www.startappexchange.com tcp
DE 152.70.183.52:80 www.startappexchange.com tcp
GB 142.250.200.14:443 tcp
US 1.1.1.1:53 android.apis.google.com udp
GB 142.250.200.14:443 android.apis.google.com tcp

Files

/storage/emulated/0/ygopro/deck/Deck.ydk

MD5 13e3909ead33d7027ba99b605b2e1bfe
SHA1 61a529fa473f5f450863a5941558c58db499bff8
SHA256 deab22d4352a3bff3d353bd3b847cec210632d36fdca17b7b7d3c5404b6f2db8
SHA512 f954183e081ace9f7616e120d5ae6e24e2035d8dc6b5333c84b29ce90c2e78f34598d5d7858a15631230bd5c5b47d3a11988dfef99cb1e2670227549bfba629a

/data/data/co.ygopro.ygoproandroid/databases/http_auth.db-journal

MD5 2b7f1a1834671322185359f60f698b93
SHA1 c8fd9a1e57a0bde9a282a66cfb4a7abfe5b3bf79
SHA256 b066a06de85dd177a078b6b72ef2a821a98bc373c3cf75cf51f17560757745fb
SHA512 7e098c4f1534d7cfcbd3921a153ac6e687749f1ec68976a8290462dcc9422da50f148f82506742d78780a007e6e3ba39330be7c795ad12b6949642532bab06d0

/data/data/co.ygopro.ygoproandroid/databases/http_auth.db

MD5 f2b4b0190b9f384ca885f0c8c9b14700
SHA1 934ff2646757b5b6e7f20f6a0aa76c7f995d9361
SHA256 0a8ffb6b327963558716e87db8946016d143e39f895fa1b43e95ba7032ce2514
SHA512 ec12685fc0d60526eed4d38820aad95611f3e93ae372be5a57142d8e8a1ba17e6e5dfe381a4e1365dddc0b363c9c40daaffdc1245bd515fddac69bf1abacd7f1

/data/data/co.ygopro.ygoproandroid/databases/http_auth.db-shm

MD5 bb7df04e1b0a2570657527a7e108ae23
SHA1 5188431849b4613152fd7bdba6a3ff0a4fd6424b
SHA256 c35020473aed1b4642cd726cad727b63fff2824ad68cedd7ffb73c7cbd890479
SHA512 768007e06b0cd9e62d50f458b9435c6dda0a6d272f0b15550f97c478394b743331c3a9c9236e09ab5b9cb3b423b2320a5d66eb3c7068db9ea37891ca40e47012

/data/data/co.ygopro.ygoproandroid/databases/http_auth.db-wal

MD5 34c720ac47d5e9730d5a8b1cf510ca87
SHA1 e694335a03de1fc6fc93e60c2578cca6ad05409c
SHA256 8943d63778c005ff6bf47d0d41bcd8406f8155e4b2dac0f8c12f4bb6108469c0
SHA512 86cc30b2afee5b8b6021efca1f5b2f8f10343e7549685a587f363bb1f73c69e6204d7e76bce86bfeeb4b1ebc0a0bcc86558405688ba66c117530a044e1f3846e