Malware Analysis Report

2024-10-19 11:59

Sample ID 230627-rb18tsec66
Target fcbd91047f1166e7cb77840fcab9a938b5e347373fa1e079939b75c10c5a6437.apk
SHA256 fcbd91047f1166e7cb77840fcab9a938b5e347373fa1e079939b75c10c5a6437
Tags
anubis banker infostealer ransomware trojan evasion
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral3

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

fcbd91047f1166e7cb77840fcab9a938b5e347373fa1e079939b75c10c5a6437

Threat Level: Known bad

The file fcbd91047f1166e7cb77840fcab9a938b5e347373fa1e079939b75c10c5a6437.apk was found to be: Known bad.

Malicious Activity Summary

anubis banker infostealer ransomware trojan evasion

Anubis family

Anubis banker

Renames multiple (450) files with added filename extension

Renames multiple (496) files with added filename extension

Renames multiple (134) files with added filename extension

Makes use of the framework's Accessibility service.

Requests dangerous framework permissions

Acquires the wake lock.

Requests enabling of the accessibility settings.

Reads information about phone network operator.

Requests disabling of battery optimizations (often used to enable hiding in the background).

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2023-06-27 14:01

Signatures

Anubis family

anubis

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 receive SMS messages. android.permission.RECEIVE_SMS N/A N/A
Allows an application to read SMS messages. android.permission.READ_SMS N/A N/A
Allows an application to initiate a phone call without going through the Dialer user interface for the user to confirm the call. android.permission.CALL_PHONE N/A N/A
Allows an application to send SMS messages. android.permission.SEND_SMS N/A N/A
Allows an application to write to external storage. android.permission.WRITE_EXTERNAL_STORAGE 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 record audio. android.permission.RECORD_AUDIO N/A N/A
Allows an application to read the user's contacts data. android.permission.READ_CONTACTS 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

Analysis: behavioral2

Detonation Overview

Submitted

2023-06-27 14:01

Reported

2023-06-27 14:02

Platform

android-x64-20230621-en

Max time kernel

4247356s

Max time network

22s

Command Line

wocwvy.czyxoxmbauu.slsa

Signatures

Anubis banker

banker trojan infostealer anubis

Renames multiple (134) files with added filename extension

ransomware

Processes

wocwvy.czyxoxmbauu.slsa

Network

Country Destination Domain Proto
N/A 224.0.0.251:5353 udp
US 1.1.1.1:53 g.tenor.com udp
US 1.1.1.1:53 ssl.google-analytics.com udp
NL 142.250.27.188:5228 tcp

Files

N/A

Analysis: behavioral3

Detonation Overview

Submitted

2023-06-27 14:01

Reported

2023-06-27 14:02

Platform

android-x64-arm64-20230621-en

Max time kernel

4247384s

Max time network

50s

Command Line

wocwvy.czyxoxmbauu.slsa

Signatures

Anubis banker

banker trojan infostealer anubis

Renames multiple (496) files with added filename extension

ransomware

Makes use of the framework's Accessibility service.

Description Indicator Process Target
Framework service call android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfoByAccessibilityId N/A N/A
Framework service call android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfosByText N/A N/A

Acquires the wake lock.

Description Indicator Process Target
Framework service call android.os.IPowerManager.acquireWakeLock N/A N/A

Requests enabling of the accessibility settings.

Description Indicator Process Target
Intent action android.settings.ACCESSIBILITY_SETTINGS N/A N/A

Reads information about phone network operator.

Requests disabling of battery optimizations (often used to enable hiding in the background).

evasion
Description Indicator Process Target
Intent action android.settings.REQUEST_IGNORE_BATTERY_OPTIMIZATIONS N/A N/A

Processes

wocwvy.czyxoxmbauu.slsa

Network

Country Destination Domain Proto
DE 172.217.23.206:443 tcp
DE 172.217.23.206:443 tcp
DE 172.217.23.206:443 tcp
N/A 224.0.0.251:5353 udp
US 1.1.1.1:53 infinitedata-pa.googleapis.com udp
US 1.1.1.1:53 ssl.google-analytics.com udp
US 1.1.1.1:53 infinitedata-pa.googleapis.com udp
US 1.1.1.1:53 infinitedata-pa.googleapis.com udp
US 1.1.1.1:53 9b0b9b017fac.ngrok.app udp
US 1.1.1.1:53 infinitedata-pa.googleapis.com udp

Files

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2023-06-27 14:01

Reported

2023-06-27 14:02

Platform

android-x86-arm-20230621-en

Max time kernel

4247386s

Max time network

49s

Command Line

wocwvy.czyxoxmbauu.slsa

Signatures

Anubis banker

banker trojan infostealer anubis

Renames multiple (450) files with added filename extension

ransomware

Makes use of the framework's Accessibility service.

Description Indicator Process Target
Framework service call android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfoByAccessibilityId N/A N/A
Framework service call android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfosByText N/A N/A

Acquires the wake lock.

Description Indicator Process Target
Framework service call android.os.IPowerManager.acquireWakeLock N/A N/A

Requests enabling of the accessibility settings.

Description Indicator Process Target
Intent action android.settings.ACCESSIBILITY_SETTINGS N/A N/A

Reads information about phone network operator.

Requests disabling of battery optimizations (often used to enable hiding in the background).

evasion
Description Indicator Process Target
Intent action android.settings.REQUEST_IGNORE_BATTERY_OPTIMIZATIONS N/A N/A

Processes

wocwvy.czyxoxmbauu.slsa

Network

Country Destination Domain Proto
NL 216.58.214.2:443 tcp
N/A 224.0.0.251:5353 udp
US 1.1.1.1:53 infinitedata-pa.googleapis.com udp
NL 142.251.36.42:443 infinitedata-pa.googleapis.com tcp
US 1.1.1.1:53 android.apis.google.com udp
NL 142.250.179.174:443 android.apis.google.com tcp
US 1.1.1.1:53 9b0b9b017fac.ngrok.app udp
DE 3.125.209.94:443 9b0b9b017fac.ngrok.app tcp
US 1.1.1.1:53 twitter.com udp
US 104.244.42.129:443 twitter.com tcp
US 104.244.42.129:443 twitter.com tcp

Files

N/A