Malware Analysis Report

2024-07-28 11:45

Sample ID 240612-ym3pcs1hqn
Target gey.apk
SHA256 2fa3229fe01e0615861cd8f4d03aa64ed6640b4c9f84dc395e25c91002c07a12
Tags
collection credential_access discovery impact persistence
score
7/10

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: 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

2fa3229fe01e0615861cd8f4d03aa64ed6640b4c9f84dc395e25c91002c07a12

Threat Level: Shows suspicious behavior

The file gey.apk was found to be: Shows suspicious behavior.

Malicious Activity Summary

collection credential_access discovery impact persistence

Obtains sensitive information copied to the device clipboard

Queries the mobile country code (MCC)

Requests dangerous framework permissions

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

Uses Crypto APIs (Might try to encrypt user data)

Checks CPU information

Checks memory information

MITRE ATT&CK Matrix

N/A

Analysis: static1

Detonation Overview

Reported

2024-06-12 19:55

Signatures

Requests dangerous framework permissions

Description Indicator Process Target
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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-12 19:55

Reported

2024-06-12 19:57

Platform

android-x64-20240611.1-en

Max time kernel

58s

Max time network

70s

Command Line

com.if831c2cf3041abe0

Signatures

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 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.if831c2cf3041abe0

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 142.250.200.40:443 ssl.google-analytics.com tcp
GB 172.217.169.10:443 tcp
US 1.1.1.1:53 bbs.nubia.cn udp
US 1.1.1.1:53 android.apis.google.com udp
GB 172.217.16.238:443 android.apis.google.com tcp
GB 172.217.169.78:443 tcp
GB 142.250.179.226:443 tcp
GB 172.217.169.42:443 tcp
GB 142.250.187.196:443 tcp
GB 142.250.187.196:443 tcp
GB 172.217.169.14:443 tcp
BE 64.233.184.188:5228 tcp

Files

N/A

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-12 19:55

Reported

2024-06-12 19:57

Platform

android-x64-arm64-20240611.1-en

Max time kernel

59s

Max time network

68s

Command Line

com.if831c2cf3041abe0

Signatures

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

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.if831c2cf3041abe0

Network

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

Files

N/A

Analysis: behavioral3

Detonation Overview

Submitted

2024-06-12 19:55

Reported

2024-06-12 19:56

Platform

android-33-x64-arm64-20240611.1-en

Max time network

8s

Command Line

N/A

Signatures

N/A

Processes

N/A

Network

Country Destination Domain Proto
GB 172.217.169.36:443 udp
GB 172.217.169.36:443 tcp
BE 173.194.76.188:5228 tcp
GB 172.217.16.228:443 tcp
GB 216.58.201.106:443 tcp
N/A 224.0.0.251:5353 udp

Files

N/A

Analysis: behavioral4

Detonation Overview

Submitted

2024-06-12 19:55

Reported

2024-06-12 19:57

Platform

android-x86-arm-20240611.1-en

Max time kernel

59s

Max time network

60s

Command Line

com.if831c2cf3041abe0

Signatures

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.if831c2cf3041abe0

Network

Country Destination Domain Proto
N/A 224.0.0.251:5353 udp
US 1.1.1.1:53 bbs.nubia.cn udp
GB 216.58.201.110:443 tcp
US 1.1.1.1:53 android.apis.google.com udp
GB 142.250.200.46:443 android.apis.google.com tcp

Files

N/A