Malware Analysis Report

2024-12-06 02:37

Sample ID 240821-qj6b3szgjh
Target fake_application_dol.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.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

Uses Crypto APIs (Might try to encrypt user data)

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

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-08-21 13:18

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

2024-08-21 13:18

Reported

2024-08-21 13:21

Platform

android-x86-arm-20240624-en

Max time kernel

2s

Max time network

131s

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
N/A 224.0.0.251:5353 udp
US 1.1.1.1:53 semanticlocation-pa.googleapis.com udp
GB 216.58.204.78:443 tcp
US 1.1.1.1:53 android.apis.google.com udp
GB 142.250.180.14:443 android.apis.google.com tcp
US 1.1.1.1:53 app.pzs5k.xyz udp
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 793da5a5c0a7e616ea2b72e0bb617112
SHA1 811e0e2d7c148004280fa39ebbc42c55a87e490d
SHA256 4f446e4929409516dfbcb828bbe138167fa2aa7225a188606007c03fb6c5d636
SHA512 7261751781a6a3455de6c83753b3eaefa385ee133ef8459ccb60ab5dfaf452383ee735a8e23e2059b2522b61666cabaf649ed72b2343dc5ea9b4516fb729399a