Malware Analysis Report

2024-10-19 11:59

Sample ID 230927-zfh7taeb9x
Target anubis.apk
SHA256 8cb941658ed8340b67a38a47162ab8850b89a14eee2899f0761fadd4f648fd5e
Tags
anubis evasion stealth trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

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 Overview

score
10/10

SHA256

8cb941658ed8340b67a38a47162ab8850b89a14eee2899f0761fadd4f648fd5e

Threat Level: Known bad

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

Malicious Activity Summary

anubis evasion stealth trojan

Anubis family

Makes use of the framework's Accessibility service.

Removes its main activity from the application launcher

Requests dangerous framework permissions

Loads dropped Dex/Jar

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).

Listens for changes in the sensor environment (might be used to detect emulation).

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2023-09-27 20:39

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: behavioral1

Detonation Overview

Submitted

2023-09-27 20:39

Reported

2023-09-27 20:42

Platform

android-x86-arm-20230831-en

Max time kernel

3630109s

Max time network

147s

Command Line

wocwvy.czyxoxmbauu.slsa

Signatures

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

Removes its main activity from the application launcher

stealth trojan
Description Indicator Process Target
N/A N/A 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

Listens for changes in the sensor environment (might be used to detect emulation).

evasion
Description Indicator Process Target
Framework API call android.hardware.SensorManager.registerListener N/A N/A

Processes

wocwvy.czyxoxmbauu.slsa

Network

Country Destination Domain Proto
N/A 224.0.0.251:5353 udp
NL 142.250.179.138:443 tcp
US 1.1.1.1:53 semanticlocation-pa.googleapis.com udp
US 1.1.1.1:53 infinitedata-pa.googleapis.com udp
NL 142.251.39.106:443 infinitedata-pa.googleapis.com tcp
NL 142.251.36.42:443 infinitedata-pa.googleapis.com tcp
NL 172.217.168.238:443 tcp
US 1.1.1.1:53 android.apis.google.com udp
NL 142.250.179.206:443 android.apis.google.com tcp
US 1.1.1.1:53 sosyalkampanya2.tk udp
US 1.1.1.1:53 twitter.com udp
US 104.244.42.1:443 twitter.com tcp
US 104.244.42.1:443 twitter.com tcp
US 1.1.1.1:53 sosyalkampanya2.tk udp
US 1.1.1.1:53 sosyalkampanya2.tk udp
US 104.244.42.1:443 twitter.com tcp
US 104.244.42.1:443 twitter.com tcp
US 1.1.1.1:53 sosyalkampanya2.tk udp
US 104.244.42.1:443 twitter.com tcp
US 104.244.42.1:443 twitter.com tcp

Files

N/A

Analysis: behavioral2

Detonation Overview

Submitted

2023-09-27 20:39

Reported

2023-09-27 20:41

Platform

android-x64-20230831-en

Max time kernel

3630124s

Max time network

71s

Command Line

wocwvy.czyxoxmbauu.slsa

Signatures

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

Removes its main activity from the application launcher

stealth trojan
Description Indicator Process Target
N/A N/A N/A N/A

Acquires the wake lock.

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

Loads dropped Dex/Jar

Description Indicator Process Target
N/A /apex/com.android.conscrypt/javalib/conscrypt.jar N/A N/A

Reads information about phone network operator.

Listens for changes in the sensor environment (might be used to detect emulation).

evasion
Description Indicator Process Target
Framework API call android.hardware.SensorManager.registerListener N/A N/A

Processes

wocwvy.czyxoxmbauu.slsa

Network

Country Destination Domain Proto
N/A 224.0.0.251:5353 udp
US 1.1.1.1:53 infinitedata-pa.googleapis.com udp
NL 142.250.179.142:443 tcp
US 1.1.1.1:53 android.apis.google.com udp
NL 142.251.39.110:443 android.apis.google.com tcp
US 1.1.1.1:53 ssl.google-analytics.com 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 ssl.google-analytics.com udp
US 1.1.1.1:53 sosyalkampanya2.tk udp
US 1.1.1.1:53 sosyalkampanya2.tk udp
US 1.1.1.1:53 twitter.com udp
US 104.244.42.193:443 twitter.com tcp
NL 142.251.36.42:443 infinitedata-pa.googleapis.com tcp
US 1.1.1.1:53 sosyalkampanya2.tk udp
US 104.244.42.193:443 twitter.com tcp
US 104.244.42.193:443 twitter.com tcp

Files

/apex/com.android.conscrypt/javalib/conscrypt.jar

MD5 8345c73b46814e1384ff8462248b23af
SHA1 4d9a4db4c7cf0a19d041d9191cef90df5d186aad
SHA256 32fbfe031ecde2df1f5427303b61eb84492d3edf22d6a133b002a00bba7c1439
SHA512 5895dbad205eb6a72516745f18d1ad49cdfde4eaa197df752447e488fe976f91eba305499bd8b6abc5c9746b90f377b669a583104b20d5d8bc33fd5bf0b23d74

Analysis: behavioral3

Detonation Overview

Submitted

2023-09-27 20:39

Reported

2023-09-27 20:42

Platform

android-x64-arm64-20230831-en

Max time kernel

3630134s

Max time network

161s

Command Line

wocwvy.czyxoxmbauu.slsa

Signatures

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

Removes its main activity from the application launcher

stealth trojan
Description Indicator Process Target
N/A N/A 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

Listens for changes in the sensor environment (might be used to detect emulation).

evasion
Description Indicator Process Target
Framework API call android.hardware.SensorManager.registerListener N/A N/A

Processes

wocwvy.czyxoxmbauu.slsa

Network

Country Destination Domain Proto
N/A 224.0.0.251:5353 udp
NL 142.251.39.110:443 tcp
NL 172.217.168.238:443 tcp
NL 142.250.179.142:443 tcp
US 1.1.1.1:53 android.apis.google.com udp
NL 142.250.179.206:443 android.apis.google.com tcp
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
NL 142.251.36.42:443 infinitedata-pa.googleapis.com tcp
US 1.1.1.1:53 sosyalkampanya2.tk udp
US 1.1.1.1:53 twitter.com udp
US 1.1.1.1:53 sosyalkampanya2.tk udp
US 1.1.1.1:53 twitter.com udp
US 104.244.42.1:443 twitter.com tcp
US 104.244.42.1:443 twitter.com tcp
US 1.1.1.1:53 sosyalkampanya2.tk udp
US 104.244.42.1:443 twitter.com tcp
US 104.244.42.1:443 twitter.com tcp
US 1.1.1.1:53 sosyalkampanya2.tk udp
US 104.244.42.1:443 twitter.com tcp
US 104.244.42.1:443 twitter.com tcp
US 1.1.1.1:53 sosyalkampanya2.tk udp
US 104.244.42.1:443 twitter.com tcp
US 104.244.42.1:443 twitter.com tcp
US 1.1.1.1:53 sosyalkampanya2.tk udp
US 1.1.1.1:53 ssl.google-analytics.com udp
US 104.244.42.1:443 twitter.com tcp
US 104.244.42.1:443 twitter.com tcp

Files

N/A