Malware Analysis Report

2024-12-06 02:36

Sample ID 240726-c2w98s1dln
Target fake_application_dol_2.zip
SHA256 df47187707ce3aa7a1aa677e2ed6dc26024017ad447323ccca4eb642615cdbc4
Tags
gigabud impact persistence
score
10/10

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
10/10

SHA256

df47187707ce3aa7a1aa677e2ed6dc26024017ad447323ccca4eb642615cdbc4

Threat Level: Known bad

The file fake_application_dol_2.zip was found to be: Known bad.

Malicious Activity Summary

gigabud impact persistence

Gigabud family

Gigabud payload

Declares services with permission to bind to the system

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)

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-07-26 02:34

Signatures

Gigabud family

gigabud

Gigabud payload

Description Indicator Process Target
N/A N/A N/A N/A

Declares services with permission to bind to the system

Description Indicator Process Target
Required by accessibility services to bind with the system. Allows apps to access accessibility features. android.permission.BIND_ACCESSIBILITY_SERVICE N/A N/A

Requests dangerous framework permissions

Description Indicator Process Target
Allows an app to access precise location. android.permission.ACCESS_FINE_LOCATION N/A N/A
Allows an application to request installing packages. android.permission.REQUEST_INSTALL_PACKAGES 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 request installing packages. android.permission.REQUEST_INSTALL_PACKAGES 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
Required to be able to access the camera device. android.permission.CAMERA N/A N/A
Allows an application to record audio. android.permission.RECORD_AUDIO N/A N/A
Allows an application to read SMS messages. android.permission.READ_SMS N/A N/A
Allows an application to receive SMS messages. android.permission.RECEIVE_SMS N/A N/A
Allows an application to send SMS messages. android.permission.SEND_SMS 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 read or write the system settings. android.permission.WRITE_SETTINGS N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-07-26 02:34

Reported

2024-07-26 02:38

Platform

android-x86-arm-20240624-en

Max time kernel

2s

Max time network

184s

Command Line

nrmahn.kwqzdrb.nahh

Signatures

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

Processes

nrmahn.kwqzdrb.nahh

Network

Country Destination Domain Proto
US 1.1.1.1:53 semanticlocation-pa.googleapis.com udp
GB 216.58.201.110:443 tcp
US 1.1.1.1:53 android.apis.google.com udp
GB 172.217.16.238:443 android.apis.google.com tcp
US 1.1.1.1:53 app.pzs5k.xyz udp
GB 142.250.178.10:443 semanticlocation-pa.googleapis.com tcp
SG 8.219.85.91:8888 tcp
SG 8.219.85.91:8888 tcp
SG 8.219.85.91:8888 tcp
SG 8.219.85.91:8888 tcp
SG 8.219.85.91:8888 tcp
SG 8.219.85.91:8888 tcp
SG 8.219.85.91:8888 tcp
SG 8.219.85.91:8888 tcp
SG 8.219.85.91:8888 tcp

Files

/data/data/nrmahn.kwqzdrb.nahh/no_backup/.flurryNoBackup/installationNum

MD5 1ef9b552ac3ab2028a0c047b682b72c9
SHA1 38745bd9ab8f8288183cc42d521eb1adb0ed6442
SHA256 dc6a7cca83632828991d05f021768082b99826547a5794c44182269052c1baf1
SHA512 a93da37357c08adc6371b1b13427121f18bbb33d636c04aa85f8fd67a811b14a385b4d74e0f7af99ccab3318e80935d68ec486314e6a06b84fe3ea89034c5fab