Malware Analysis Report

2025-01-19 06:55

Sample ID 240523-pdfnssge3t
Target CBT_DIRA_V3_1_3.0.apk
SHA256 9fd9bf3d89e8deebd1dc091aa779cce18dab5ee424d79e42759fc751666e0802
Tags
collection credential_access discovery evasion impact persistence
score
7/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Mobile Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral3

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
7/10

SHA256

9fd9bf3d89e8deebd1dc091aa779cce18dab5ee424d79e42759fc751666e0802

Threat Level: Shows suspicious behavior

The file CBT_DIRA_V3_1_3.0.apk was found to be: Shows suspicious behavior.

Malicious Activity Summary

collection credential_access discovery evasion impact persistence

Checks memory information

Obtains sensitive information copied to the device clipboard

Queries the mobile country code (MCC)

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

Checks CPU information

Requests dangerous framework permissions

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-05-23 12:12

Signatures

Requests dangerous framework permissions

Description Indicator Process Target
Allows an app to access precise location. android.permission.ACCESS_FINE_LOCATION N/A N/A
Required to be able to access the camera device. android.permission.CAMERA 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 write to external storage. android.permission.WRITE_EXTERNAL_STORAGE N/A N/A

Analysis: behavioral3

Detonation Overview

Submitted

2024-05-23 12:12

Reported

2024-05-23 12:31

Platform

android-x64-arm64-20240514-en

Max time kernel

24s

Max time network

130s

Command Line

com.smkdira.cbt

Signatures

Checks CPU information

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

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

Processes

com.smkdira.cbt

Network

Country Destination Domain Proto
N/A 224.0.0.251:5353 udp
GB 142.250.178.14:443 tcp
GB 142.250.178.14:443 tcp
US 1.1.1.1:53 android.apis.google.com udp
GB 142.250.187.206:443 android.apis.google.com tcp
US 1.1.1.1:53 cbt.smkdipo2rawalo.sch.id udp
US 1.1.1.1:53 ssl.google-analytics.com udp
GB 172.217.16.232:443 ssl.google-analytics.com tcp
GB 216.58.201.100:443 tcp
GB 216.58.201.100:443 tcp

Files

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-05-23 12:12

Reported

2024-05-23 12:47

Platform

android-x86-arm-20240514-en

Max time kernel

178s

Max time network

130s

Command Line

com.smkdira.cbt

Signatures

Checks CPU information

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

Checks memory information

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

Processes

com.smkdira.cbt

Network

Country Destination Domain Proto
N/A 224.0.0.251:5353 udp
US 1.1.1.1:53 cbt.smkdipo2rawalo.sch.id udp
GB 216.58.212.227:443 tcp
GB 142.250.180.14:443 tcp
US 1.1.1.1:53 android.apis.google.com udp
GB 142.250.187.206:443 android.apis.google.com tcp

Files

N/A

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-23 12:12

Reported

2024-05-23 12:31

Platform

android-x64-20240514-en

Max time kernel

49s

Max time network

139s

Command Line

com.smkdira.cbt

Signatures

Checks CPU information

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

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 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

Processes

com.smkdira.cbt

Network

Country Destination Domain Proto
GB 216.58.213.10:443 tcp
GB 216.58.213.10:443 tcp
N/A 224.0.0.251:5353 udp
US 1.1.1.1:53 cbt.smkdipo2rawalo.sch.id udp
US 1.1.1.1:53 ssl.google-analytics.com udp
GB 142.250.179.232:443 ssl.google-analytics.com tcp
US 1.1.1.1:53 android.apis.google.com udp
GB 172.217.16.238:443 android.apis.google.com tcp
GB 216.58.213.14:443 tcp
GB 142.250.180.4:443 tcp
GB 142.250.180.4:443 tcp
GB 216.58.212.194:443 tcp
GB 142.250.180.14:443 tcp

Files

N/A