Malware Analysis Report

2024-09-09 17:17

Sample ID 240614-aa3a3azgnr
Target b3fa250fe0511d0493b9275dc98c8f03ea050ad1fd0437dcdb4f090d2fa8973c.bin
SHA256 b3fa250fe0511d0493b9275dc98c8f03ea050ad1fd0437dcdb4f090d2fa8973c
Tags
discovery evasion execution persistence
score
7/10

Table of Contents

Analysis Overview

MITRE ATT&CK Matrix

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
7/10

SHA256

b3fa250fe0511d0493b9275dc98c8f03ea050ad1fd0437dcdb4f090d2fa8973c

Threat Level: Shows suspicious behavior

The file b3fa250fe0511d0493b9275dc98c8f03ea050ad1fd0437dcdb4f090d2fa8973c.bin was found to be: Shows suspicious behavior.

Malicious Activity Summary

discovery evasion execution persistence

Queries the phone number (MSISDN for GSM devices)

Loads dropped Dex/Jar

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

Declares broadcast receivers with permission to handle system events

Queries information about active data network

Acquires the wake lock

Requests dangerous framework permissions

Schedules tasks to execute at a specified time

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 00:01

Signatures

Declares broadcast receivers with permission to handle system events

Description Indicator Process Target
Required by device admin receivers to bind with the system. Allows apps to manage device administration features. android.permission.BIND_DEVICE_ADMIN N/A N/A

Requests dangerous framework permissions

Description Indicator Process Target
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 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 an application to receive SMS messages. android.permission.RECEIVE_SMS N/A N/A
Allows an application to request installing packages. android.permission.REQUEST_INSTALL_PACKAGES 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 write to external storage. android.permission.WRITE_EXTERNAL_STORAGE N/A N/A
Allows an app to post notifications. android.permission.POST_NOTIFICATIONS N/A N/A

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-14 00:01

Reported

2024-06-14 00:04

Platform

android-33-x64-arm64-20240611.1-en

Max time kernel

164s

Max time network

178s

Command Line

fv.denvloppgg.cc

Signatures

Loads dropped Dex/Jar

evasion
Description Indicator Process Target
N/A /data/user/0/fv.denvloppgg.cc/.arm/6E4D52BA.dex N/A N/A
N/A /data/user/0/fv.denvloppgg.cc/.arm/6E4D52BA.dex N/A N/A

Acquires the wake lock

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

Queries information about active data network

discovery
Description Indicator Process Target
Framework service call android.net.IConnectivityManager.getActiveNetworkInfo N/A N/A

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

Schedules tasks to execute at a specified time

execution persistence
Description Indicator Process Target
Framework service call android.app.job.IJobScheduler.schedule N/A N/A
Framework service call android.app.job.IJobScheduler.schedule N/A N/A

Processes

fv.denvloppgg.cc

fv.denvloppgg.cc:remote

Network

Country Destination Domain Proto
GB 172.217.16.228:443 udp
GB 172.217.16.228:443 tcp
GB 216.58.212.196:443 tcp
N/A 224.0.0.251:5353 udp
GB 142.250.187.202:443 udp
GB 142.250.187.202:443 tcp
TW 118.166.42.202:8090 tcp
US 1.1.1.1:53 github.com udp
GB 20.26.156.215:443 github.com tcp
TW 118.166.41.168:8090 tcp
KR 103.151.229.187:8081 tcp
TW 118.166.41.168:8090 tcp
GB 20.26.156.215:443 github.com tcp
KR 103.151.229.187:8081 103.151.229.187 tcp
TW 118.166.41.168:8091 tcp
US 162.159.61.3:443 tcp
US 162.159.61.3:443 tcp
US 162.159.61.3:443 tcp
US 162.159.61.3:443 udp
US 34.104.35.123:80 tcp
GB 172.217.16.228:443 udp
GB 142.250.179.228:443 tcp
TW 118.166.41.168:8090 tcp

Files

/data/user/0/fv.denvloppgg.cc/.arm/6E4D52BA.dex

MD5 b37221352b736b78b9589dad504ad8ca
SHA1 9cf019dbc45d6208ddceb3f37a792df1fbb84ea6
SHA256 fa3bf4d64e62e622353743d9e421f6094c14d4bb67d86995adea73677f50fc87
SHA512 4112dc090fd390b9f65c35c4359ac77eec1893dd2297ef48293464784a9e7e4e42fa606e3d14cb62b65a443944748909edf2fffde51b62ff94e7e6a74350066e

/data/user/0/fv.denvloppgg.cc/files/config

MD5 0cb95af7a54976ff4ee2cc2b973ec4a4
SHA1 51198fe2d6e308147349248635d04459a7f26970
SHA256 681bdad8f1f99c6295ba8694316e57ee817ef55310454b1d442a4abdba5ee29a
SHA512 4a9a42920e33e91a605994a1bb7d1a9606e5cf98e9b86fdad2a0673df7c3114341a0adc6c2ac27731eab35de6018d25d149ac9323b258db38e9d9960c7bb2518

/data/user/0/fv.denvloppgg.cc/files/config

MD5 91ae82dd6d3834333f9c51adc1c81e70
SHA1 0513d9c3217d0013c4c8915782162bddb633b2ff
SHA256 8e2d7ba41c69b2fd42851c51fb16b562dd9c295f61ec6238e5b91435007d61d6
SHA512 f1b5a19a8eebc17fa7856704eebe9db8951e417460781731e53840dfcf62409a820f471fdc9422c67ef10fb1955ef7ebc182ccadbb5292236d4d2b50037cff2b

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-14 00:01

Reported

2024-06-14 00:04

Platform

android-x86-arm-20240611.1-en

Max time kernel

179s

Max time network

179s

Command Line

fv.denvloppgg.cc

Signatures

Loads dropped Dex/Jar

evasion
Description Indicator Process Target
N/A /data/user/0/fv.denvloppgg.cc/.arm/6E4D52BA.dex N/A N/A
N/A /data/user/0/fv.denvloppgg.cc/.arm/6E4D52BA.dex N/A N/A
N/A /data/user/0/fv.denvloppgg.cc/.arm/6E4D52BA.dex N/A N/A
N/A /data/user/0/fv.denvloppgg.cc/.arm/6E4D52BA.dex N/A N/A
N/A /data/user/0/fv.denvloppgg.cc/.arm/6E4D52BA.dex N/A N/A

Queries the phone number (MSISDN for GSM devices)

discovery

Acquires the wake lock

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

Queries information about active data network

discovery
Description Indicator Process Target
Framework service call android.net.IConnectivityManager.getActiveNetworkInfo N/A N/A

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

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

Schedules tasks to execute at a specified time

execution persistence
Description Indicator Process Target
Framework service call android.app.job.IJobScheduler.schedule N/A N/A
Framework service call android.app.job.IJobScheduler.schedule N/A N/A

Processes

fv.denvloppgg.cc

/system/bin/dex2oat --debuggable --instruction-set=x86 --instruction-set-features=ssse3,-sse4.1,-sse4.2,-avx,-avx2,-popcnt --runtime-arg -Xhidden-api-checks --runtime-arg -Xrelocate --boot-image=/system/framework/boot.art --runtime-arg -Xms64m --runtime-arg -Xmx512m --instruction-set-variant=x86 --instruction-set-features=default --inline-max-code-units=0 --compact-dex-level=none --debuggable --generate-mini-debug-info --dex-file=/data/user/0/fv.denvloppgg.cc/.arm/6E4D52BA.dex --output-vdex-fd=42 --oat-fd=43 --oat-location=/data/user/0/fv.denvloppgg.cc/.arm/oat/x86/6E4D52BA.odex --compiler-filter=quicken --class-loader-context=&

fv.denvloppgg.cc:remote

Network

Country Destination Domain Proto
N/A 224.0.0.251:5353 udp
GB 216.58.212.234:443 tcp
US 1.1.1.1:53 semanticlocation-pa.googleapis.com udp
TW 118.166.42.202:8090 tcp
US 1.1.1.1:53 github.com udp
GB 20.26.156.215:443 github.com tcp
TW 118.166.41.168:8090 tcp
KR 103.151.229.187:8081 103.151.229.187 tcp
TW 118.166.41.168:8091 tcp
GB 142.250.187.206:443 tcp
US 1.1.1.1:53 android.apis.google.com udp
GB 216.58.204.78:443 android.apis.google.com tcp
TW 118.166.41.168:8090 tcp

Files

/data/data/fv.denvloppgg.cc/.arm/6E4D52BA.dex

MD5 b37221352b736b78b9589dad504ad8ca
SHA1 9cf019dbc45d6208ddceb3f37a792df1fbb84ea6
SHA256 fa3bf4d64e62e622353743d9e421f6094c14d4bb67d86995adea73677f50fc87
SHA512 4112dc090fd390b9f65c35c4359ac77eec1893dd2297ef48293464784a9e7e4e42fa606e3d14cb62b65a443944748909edf2fffde51b62ff94e7e6a74350066e

/data/data/fv.denvloppgg.cc/files/config

MD5 0cb95af7a54976ff4ee2cc2b973ec4a4
SHA1 51198fe2d6e308147349248635d04459a7f26970
SHA256 681bdad8f1f99c6295ba8694316e57ee817ef55310454b1d442a4abdba5ee29a
SHA512 4a9a42920e33e91a605994a1bb7d1a9606e5cf98e9b86fdad2a0673df7c3114341a0adc6c2ac27731eab35de6018d25d149ac9323b258db38e9d9960c7bb2518

/data/data/fv.denvloppgg.cc/files/config

MD5 91ae82dd6d3834333f9c51adc1c81e70
SHA1 0513d9c3217d0013c4c8915782162bddb633b2ff
SHA256 8e2d7ba41c69b2fd42851c51fb16b562dd9c295f61ec6238e5b91435007d61d6
SHA512 f1b5a19a8eebc17fa7856704eebe9db8951e417460781731e53840dfcf62409a820f471fdc9422c67ef10fb1955ef7ebc182ccadbb5292236d4d2b50037cff2b