Malware Analysis Report

2024-10-19 12:08

Sample ID 220615-mkec7sdehq
Target 831346106da21d6edd95d62d22065a705e1c8c3edd29a31fb4ca7431d50d5cb1
SHA256 831346106da21d6edd95d62d22065a705e1c8c3edd29a31fb4ca7431d50d5cb1
Tags
banker ransomware
score
8/10

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 Overview

score
8/10

SHA256

831346106da21d6edd95d62d22065a705e1c8c3edd29a31fb4ca7431d50d5cb1

Threat Level: Likely malicious

The file 831346106da21d6edd95d62d22065a705e1c8c3edd29a31fb4ca7431d50d5cb1 was found to be: Likely malicious.

Malicious Activity Summary

banker ransomware

Makes use of the framework's Accessibility service.

Queries a list of all the installed applications on the device (Might be used in an attempt to overlay legitimate apps).

Loads dropped Dex/Jar

Requests dangerous framework permissions

Acquires the wake lock.

Reads information about phone network operator.

Uses Crypto APIs (Might try to encrypt user data).

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2022-06-15 10:31

Signatures

Requests dangerous framework permissions

Description Indicator Process Target
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 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 send SMS messages. android.permission.SEND_SMS 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
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

Analysis: behavioral1

Detonation Overview

Submitted

2022-06-15 10:31

Reported

2022-06-15 10:35

Platform

android-x86-arm-20220310-en

Max time kernel

1730503s

Max time network

149s

Command Line

com.frontbynpxa

Signatures

Makes use of the framework's Accessibility service.

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

Queries a list of all the installed applications on the device (Might be used in an attempt to overlay legitimate apps).

banker
Description Indicator Process Target
Framework service call android.content.pm.IPackageManager.getInstalledApplications 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 /data/user/0/com.frontbynpxa/cache/apjorsma N/A N/A
N/A /data/user/0/com.frontbynpxa/cache/apjorsma N/A N/A

Reads information about phone network operator.

Uses Crypto APIs (Might try to encrypt user data).

ransomware
Description Indicator Process Target
Framework API call javax.crypto.Cipher.doFinal N/A N/A

Processes

com.frontbynpxa

Network

Country Destination Domain Proto
US 1.1.1.1:53 semanticlocation-pa.googleapis.com udp
NL 216.58.208.106:443 semanticlocation-pa.googleapis.com tcp
NL 142.250.179.138:80 play.googleapis.com tcp
NL 216.58.208.106:443 semanticlocation-pa.googleapis.com tcp
NL 142.251.39.99:443 tcp
NL 216.58.208.106:443 semanticlocation-pa.googleapis.com tcp
US 1.1.1.1:53 semanticlocation-pa.googleapis.com udp
US 1.1.1.1:53 alt5-mtalk.google.com udp
US 173.194.202.188:5228 alt5-mtalk.google.com tcp
NL 216.58.208.106:443 semanticlocation-pa.googleapis.com tcp
US 1.1.1.1:53 alt4-mtalk.google.com udp
US 1.1.1.1:53 alt4-mtalk.google.com udp
US 142.250.157.188:5228 alt4-mtalk.google.com tcp
NL 172.217.168.238:443 tcp
US 1.1.1.1:53 4-u.wtf udp
US 1.1.1.1:53 fitnessstyle.xyz udp
US 1.1.1.1:53 sportsstyle.club udp
NL 142.250.179.174:443 udp
US 1.1.1.1:53 alt4-mtalk.google.com udp
US 142.250.157.188:5228 alt4-mtalk.google.com tcp
US 1.1.1.1:853 tcp
US 1.1.1.1:853 tcp
US 1.1.1.1:853 tcp
US 1.1.1.1:853 tcp

Files

/data/user/0/com.frontbynpxa/cache/apjorsma

MD5 d4cd337c961cce8a496a5e6e020e54c7
SHA1 62d731ab9f40470e649a51b8d7e61af61f23cd8b
SHA256 ecc2807e8038a7bf3e899041ed0dcd4e3d970175a0418165db105368f40ecd1a
SHA512 531398aaa3661831b881697b2bcb7d9d384d7cebf66f9cd9e8843e931e2eb82914c55081ab3412ed1a434e61e1c7e86d7b53df024e896ffa72d3f47f8c6a4b24

/data/user/0/com.frontbynpxa/cache/apjorsma.x86.flock

MD5 d41d8cd98f00b204e9800998ecf8427e
SHA1 da39a3ee5e6b4b0d3255bfef95601890afd80709
SHA256 e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
SHA512 cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

/data/user/0/com.frontbynpxa/cache/apjorsma

MD5 d4cd337c961cce8a496a5e6e020e54c7
SHA1 62d731ab9f40470e649a51b8d7e61af61f23cd8b
SHA256 ecc2807e8038a7bf3e899041ed0dcd4e3d970175a0418165db105368f40ecd1a
SHA512 531398aaa3661831b881697b2bcb7d9d384d7cebf66f9cd9e8843e931e2eb82914c55081ab3412ed1a434e61e1c7e86d7b53df024e896ffa72d3f47f8c6a4b24

/data/user/0/com.frontbynpxa/cache/apjorsma

MD5 d4cd337c961cce8a496a5e6e020e54c7
SHA1 62d731ab9f40470e649a51b8d7e61af61f23cd8b
SHA256 ecc2807e8038a7bf3e899041ed0dcd4e3d970175a0418165db105368f40ecd1a
SHA512 531398aaa3661831b881697b2bcb7d9d384d7cebf66f9cd9e8843e931e2eb82914c55081ab3412ed1a434e61e1c7e86d7b53df024e896ffa72d3f47f8c6a4b24

/data/user/0/com.frontbynpxa/cache/oat/apjorsma.cur.prof

MD5 d41d8cd98f00b204e9800998ecf8427e
SHA1 da39a3ee5e6b4b0d3255bfef95601890afd80709
SHA256 e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
SHA512 cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

Analysis: behavioral2

Detonation Overview

Submitted

2022-06-15 10:31

Reported

2022-06-15 10:35

Platform

android-x64-20220310-en

Max time kernel

1726923s

Max time network

162s

Command Line

com.frontbynpxa

Signatures

Loads dropped Dex/Jar

Description Indicator Process Target
N/A /data/user/0/com.frontbynpxa/cache/apjorsma N/A N/A
N/A /data/user/0/com.frontbynpxa/cache/apjorsma N/A N/A

Reads information about phone network operator.

Uses Crypto APIs (Might try to encrypt user data).

ransomware
Description Indicator Process Target
Framework API call javax.crypto.Cipher.doFinal N/A N/A

Processes

com.frontbynpxa

Network

Country Destination Domain Proto
N/A 224.0.0.251:5353 udp

Files

/data/user/0/com.frontbynpxa/cache/apjorsma

MD5 d4cd337c961cce8a496a5e6e020e54c7
SHA1 62d731ab9f40470e649a51b8d7e61af61f23cd8b
SHA256 ecc2807e8038a7bf3e899041ed0dcd4e3d970175a0418165db105368f40ecd1a
SHA512 531398aaa3661831b881697b2bcb7d9d384d7cebf66f9cd9e8843e931e2eb82914c55081ab3412ed1a434e61e1c7e86d7b53df024e896ffa72d3f47f8c6a4b24

/data/user/0/com.frontbynpxa/cache/apjorsma

MD5 d4cd337c961cce8a496a5e6e020e54c7
SHA1 62d731ab9f40470e649a51b8d7e61af61f23cd8b
SHA256 ecc2807e8038a7bf3e899041ed0dcd4e3d970175a0418165db105368f40ecd1a
SHA512 531398aaa3661831b881697b2bcb7d9d384d7cebf66f9cd9e8843e931e2eb82914c55081ab3412ed1a434e61e1c7e86d7b53df024e896ffa72d3f47f8c6a4b24

/data/user/0/com.frontbynpxa/cache/apjorsma

MD5 d4cd337c961cce8a496a5e6e020e54c7
SHA1 62d731ab9f40470e649a51b8d7e61af61f23cd8b
SHA256 ecc2807e8038a7bf3e899041ed0dcd4e3d970175a0418165db105368f40ecd1a
SHA512 531398aaa3661831b881697b2bcb7d9d384d7cebf66f9cd9e8843e931e2eb82914c55081ab3412ed1a434e61e1c7e86d7b53df024e896ffa72d3f47f8c6a4b24

/data/user/0/com.frontbynpxa/cache/oat/apjorsma.cur.prof

MD5 d41d8cd98f00b204e9800998ecf8427e
SHA1 da39a3ee5e6b4b0d3255bfef95601890afd80709
SHA256 e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
SHA512 cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e