Malware Analysis Report

2024-07-28 11:22

Sample ID 240614-ambnwaxcrf
Target 743f286bec4dd63632e259d9cdee2524cb5ab9aa0f7f1c8dbf5920b3bbaec9c8.bin
SHA256 743f286bec4dd63632e259d9cdee2524cb5ab9aa0f7f1c8dbf5920b3bbaec9c8
Tags
evasion collection credential_access persistence
score
7/10

Table of Contents

Analysis Overview

MITRE ATT&CK Matrix

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral3

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
7/10

SHA256

743f286bec4dd63632e259d9cdee2524cb5ab9aa0f7f1c8dbf5920b3bbaec9c8

Threat Level: Shows suspicious behavior

The file 743f286bec4dd63632e259d9cdee2524cb5ab9aa0f7f1c8dbf5920b3bbaec9c8.bin was found to be: Shows suspicious behavior.

Malicious Activity Summary

evasion collection credential_access persistence

Makes use of the framework's Accessibility service

Loads dropped Dex/Jar

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)

MITRE ATT&CK Matrix

N/A

Analysis: static1

Detonation Overview

Reported

2024-06-14 00:19

Signatures

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 application to read from external storage. android.permission.READ_EXTERNAL_STORAGE 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 request installing packages. android.permission.REQUEST_INSTALL_PACKAGES N/A N/A

Analysis: behavioral3

Detonation Overview

Submitted

2024-06-14 00:19

Reported

2024-06-14 00:22

Platform

android-x64-arm64-20240611.1-en

Max time kernel

12s

Max time network

132s

Command Line

com.perl.gqm

Signatures

Loads dropped Dex/Jar

evasion
Description Indicator Process Target
N/A /system_ext/framework/androidx.window.sidecar.jar N/A N/A
N/A /system_ext/framework/androidx.window.sidecar.jar N/A N/A
N/A /data/user/0/com.perl.gqm/[email protected] N/A N/A

Processes

com.perl.gqm

Network

Country Destination Domain Proto
N/A 224.0.0.251:5353 udp
GB 142.250.178.10:443 tcp
GB 142.250.178.10:443 tcp
US 1.1.1.1:53 ssl.google-analytics.com udp
GB 142.250.200.8:443 ssl.google-analytics.com tcp
US 1.1.1.1:53 down.sinhan-bank.com udp
US 104.21.6.104:443 down.sinhan-bank.com tcp
US 1.1.1.1:53 ctef503oop.freemall-kr.top udp
US 172.67.196.50:443 ctef503oop.freemall-kr.top tcp
GB 172.217.16.238:443 tcp
US 1.1.1.1:53 android.apis.google.com udp
GB 142.250.187.238:443 android.apis.google.com tcp
GB 216.58.201.100:443 tcp
GB 216.58.201.100:443 tcp

Files

/system_ext/framework/androidx.window.sidecar.jar

MD5 bdf3529e80318eb14e53a5bf3720c10d
SHA1 25c9ace4b1af6e80ebb2572345972c56505969ba
SHA256 bbc8300dd1e9cd08de8f66560c1ac2c928615b72b51cef9649f88974f586d64b
SHA512 48b9c2d01171bb651b9b54826baa51f4add48431a3efd8ceb5f7cc3bcd6f8f37edf47fabb24349dd15b3a02329cd450f90a8d164bf4f8dfae554bf3b35a8a55b

/data/user/0/com.perl.gqm/app_outdex/libdexprotector.4449.so

MD5 ff1aa3a526c3eb3c2d094ae6a1befadf
SHA1 10a75672156ecce45d6301268f34f3a782776678
SHA256 1e53569d7080bf725099fddebc443368a955556673a8b933e56ce4ea5504d951
SHA512 a5b0ea6b2d92ec82b7d4503eb449ac9ab4616d612a4c828936c80b2e0cc4146aa15b9f00a6cb0763e5394c3077f31125e207ec20e13d37ba7f7768df0b2e586c

/data/user/0/com.perl.gqm/[email protected]

MD5 7c80da100acf95df2c9629e515898a6b
SHA1 28c7d9a00126bc12a0760f9cc6270abea6866d73
SHA256 ed26ed598d0393b52cb68fd71e26f7eb5fba998f72c1c30eae4622bb0752692f
SHA512 b2eb8340ae3dd3ddbe2a5cf3de6b735a33bb15b51b728f01643fed02375c8962f37fcbd4827fd578cb73678847cc47c45290d763281be5caeded67fa8923c6a2

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-14 00:19

Reported

2024-06-14 00:22

Platform

android-x86-arm-20240611.1-en

Max time kernel

13s

Max time network

142s

Command Line

com.perl.gqm

Signatures

Loads dropped Dex/Jar

evasion
Description Indicator Process Target
N/A Anonymous-DexFile@0xeadeb000-0xeadeb12c N/A N/A

Makes use of the framework's Accessibility service

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

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

Processes

com.perl.gqm

Network

Country Destination Domain Proto
N/A 224.0.0.251:5353 udp
US 1.1.1.1:53 down.sinhan-bank.com udp
US 104.21.6.104:443 down.sinhan-bank.com tcp
US 1.1.1.1:53 ctef503oop.freemall-kr.top udp
US 172.67.196.50:443 ctef503oop.freemall-kr.top tcp
GB 142.250.187.206:443 tcp
US 1.1.1.1:53 android.apis.google.com udp
GB 216.58.213.14:443 android.apis.google.com tcp

Files

/data/data/com.perl.gqm/app_outdex/libdexprotector.4208.so

MD5 bd1dac8c669ace7d84a4cf03833ce9e0
SHA1 6c7392d935c6a09041cc454f6bf3250edc5a38f8
SHA256 c872753e1c55f46d70aca95870fb1629ef52471ddf588b9153ea1d76c99349b9
SHA512 8e397760bb1e923510b7666ae081cba8734080af796cc4695e9bb4d6517c388c8d220547c10e96ae8eacb78a46017e808c38ac8456645d4363bf6e6c56021d53

Anonymous-DexFile@0xeadeb000-0xeadeb12c

MD5 7c80da100acf95df2c9629e515898a6b
SHA1 28c7d9a00126bc12a0760f9cc6270abea6866d73
SHA256 ed26ed598d0393b52cb68fd71e26f7eb5fba998f72c1c30eae4622bb0752692f
SHA512 b2eb8340ae3dd3ddbe2a5cf3de6b735a33bb15b51b728f01643fed02375c8962f37fcbd4827fd578cb73678847cc47c45290d763281be5caeded67fa8923c6a2

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-14 00:19

Reported

2024-06-14 00:22

Platform

android-x64-20240611.1-en

Max time kernel

12s

Max time network

152s

Command Line

com.perl.gqm

Signatures

Loads dropped Dex/Jar

evasion
Description Indicator Process Target
N/A /data/user/0/com.perl.gqm/[email protected] N/A N/A

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

Processes

com.perl.gqm

Network

Country Destination Domain Proto
N/A 224.0.0.251:5353 udp
US 1.1.1.1:53 ssl.google-analytics.com udp
GB 172.217.16.232:443 ssl.google-analytics.com tcp
US 1.1.1.1:53 down.sinhan-bank.com udp
US 172.67.134.184:443 down.sinhan-bank.com tcp
US 1.1.1.1:53 ctef503oop.freemall-kr.top udp
US 104.21.49.242:443 ctef503oop.freemall-kr.top tcp
GB 172.217.16.234:443 tcp
US 1.1.1.1:53 android.apis.google.com udp
GB 216.58.212.238:443 android.apis.google.com tcp
GB 172.217.16.226:443 tcp
GB 142.250.178.14:443 tcp
GB 142.250.178.4:443 tcp
GB 142.250.178.4:443 tcp
GB 172.217.169.46:443 tcp

Files

/data/data/com.perl.gqm/app_outdex/libdexprotector.5115.so

MD5 ff1aa3a526c3eb3c2d094ae6a1befadf
SHA1 10a75672156ecce45d6301268f34f3a782776678
SHA256 1e53569d7080bf725099fddebc443368a955556673a8b933e56ce4ea5504d951
SHA512 a5b0ea6b2d92ec82b7d4503eb449ac9ab4616d612a4c828936c80b2e0cc4146aa15b9f00a6cb0763e5394c3077f31125e207ec20e13d37ba7f7768df0b2e586c

/data/user/0/com.perl.gqm/[email protected]

MD5 7c80da100acf95df2c9629e515898a6b
SHA1 28c7d9a00126bc12a0760f9cc6270abea6866d73
SHA256 ed26ed598d0393b52cb68fd71e26f7eb5fba998f72c1c30eae4622bb0752692f
SHA512 b2eb8340ae3dd3ddbe2a5cf3de6b735a33bb15b51b728f01643fed02375c8962f37fcbd4827fd578cb73678847cc47c45290d763281be5caeded67fa8923c6a2