Malware Analysis Report

2025-01-19 05:43

Sample ID 210830-254f4y333a
Target cfcf44609e78954ea1d7301e242d34495275c091b753f0a9d67693e588a38b28.apk
SHA256 cfcf44609e78954ea1d7301e242d34495275c091b753f0a9d67693e588a38b28
Tags
flubot banker infostealer obfuscation ransomware suricata 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 Overview

score
10/10

SHA256

cfcf44609e78954ea1d7301e242d34495275c091b753f0a9d67693e588a38b28

Threat Level: Known bad

The file cfcf44609e78954ea1d7301e242d34495275c091b753f0a9d67693e588a38b28.apk was found to be: Known bad.

Malicious Activity Summary

flubot banker infostealer obfuscation ransomware suricata trojan

FluBot

FluBot Payload

suricata: ET MALWARE Possible Compromised Host AnubisNetworks Sinkhole Cookie Value Snkz

Requests dangerous framework permissions

Loads dropped Dex/Jar

Requests enabling of the accessibility settings.

Reads name of network operator

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

Uses reflection

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2021-08-30 12:42

Signatures

Requests dangerous framework permissions

Description Indicator Process Target
Allows an application to read the user's contacts data. android.permission.READ_CONTACTS 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 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

2021-08-30 12:42

Reported

2021-08-30 12:45

Platform

android-x64

Max time kernel

2534910s

Max time network

157s

Command Line

com.eg.android.AlipayGphone

Signatures

FluBot

banker trojan infostealer flubot

FluBot Payload

Description Indicator Process Target
N/A N/A N/A N/A

suricata: ET MALWARE Possible Compromised Host AnubisNetworks Sinkhole Cookie Value Snkz

suricata

Loads dropped Dex/Jar

Description Indicator Process Target
N/A /data/user/0/com.eg.android.AlipayGphone/app_apkprotector_dex/classes-v1.bin N/A N/A
N/A /data/user/0/com.eg.android.AlipayGphone/app_apkprotector_dex/classes-v1.bin 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 name of network operator

Description Indicator Process Target
Framework API call android.telephony.TelephonyManager.getNetworkOperatorName N/A N/A

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

Uses reflection

obfuscation
Description Indicator Process Target
Acesses field com.android.okhttp.internal.tls.OkHostnameVerifier.INSTANCE N/A N/A N/A
Acesses field javax.security.auth.x500.X500Principal.thisX500Name N/A N/A N/A
Acesses field javax.security.auth.x500.X500Principal.thisX500Name N/A N/A N/A
Acesses field javax.security.auth.x500.X500Principal.thisX500Name N/A N/A N/A
Acesses field javax.security.auth.x500.X500Principal.thisX500Name N/A N/A N/A
Acesses field javax.security.auth.x500.X500Principal.thisX500Name N/A N/A N/A
Acesses field javax.security.auth.x500.X500Principal.thisX500Name N/A N/A N/A
Acesses field javax.security.auth.x500.X500Principal.thisX500Name N/A N/A N/A
Acesses field javax.security.auth.x500.X500Principal.thisX500Name N/A N/A N/A
Acesses field javax.security.auth.x500.X500Principal.thisX500Name N/A N/A N/A
Acesses field javax.security.auth.x500.X500Principal.thisX500Name N/A N/A N/A
Acesses field javax.security.auth.x500.X500Principal.thisX500Name N/A N/A N/A
Acesses field javax.security.auth.x500.X500Principal.thisX500Name N/A N/A N/A
Acesses field javax.security.auth.x500.X500Principal.thisX500Name N/A N/A N/A
Acesses field javax.security.auth.x500.X500Principal.thisX500Name N/A N/A N/A
Acesses field javax.security.auth.x500.X500Principal.thisX500Name N/A N/A N/A
Acesses field javax.security.auth.x500.X500Principal.thisX500Name N/A N/A N/A
Acesses field javax.security.auth.x500.X500Principal.thisX500Name N/A N/A N/A
Acesses field javax.security.auth.x500.X500Principal.thisX500Name N/A N/A N/A
Acesses field javax.security.auth.x500.X500Principal.thisX500Name N/A N/A N/A
Acesses field javax.security.auth.x500.X500Principal.thisX500Name N/A N/A N/A

Processes

com.eg.android.AlipayGphone

Network

Country Destination Domain Proto
N/A 1.1.1.1:853 tcp
N/A 216.239.35.4:123 time.android.com udp
N/A 1.1.1.1:853 tcp
N/A 104.16.248.249:443 tcp
N/A 104.16.248.249:443 tcp
N/A 104.16.248.249:443 tcp
N/A 104.16.248.249:443 tcp
N/A 104.16.248.249:443 tcp
N/A 104.16.248.249:443 tcp
N/A 104.16.248.249:443 tcp
N/A 104.16.248.249:443 tcp
N/A 104.16.248.249:443 tcp
N/A 104.16.248.249:443 tcp
N/A 104.16.248.249:443 tcp
N/A 104.16.248.249:443 tcp
N/A 104.16.248.249:443 tcp
N/A 104.16.248.249:443 tcp
N/A 104.16.248.249:443 tcp
N/A 104.16.248.249:443 tcp
N/A 104.16.248.249:443 tcp
N/A 104.16.248.249:443 tcp
N/A 104.16.248.249:443 tcp
N/A 104.16.248.249:443 tcp
N/A 104.16.248.249:443 tcp
N/A 104.16.248.249:443 tcp
N/A 104.16.248.249:443 tcp
N/A 104.16.248.249:443 tcp
N/A 104.16.248.249:443 tcp
N/A 104.16.248.249:443 tcp
N/A 104.16.248.249:443 tcp
N/A 104.16.248.249:443 tcp
N/A 104.16.248.249:443 tcp
N/A 104.16.248.249:443 tcp
N/A 63.251.106.25:80 mwenivyckoiocjc.ru tcp
N/A 104.16.248.249:443 tcp
N/A 104.16.248.249:443 tcp
N/A 104.16.248.249:443 tcp
N/A 104.16.248.249:443 tcp
N/A 104.16.248.249:443 tcp
N/A 194.58.112.174:80 eprwfthrquwdmlk.ru tcp
N/A 104.16.248.249:443 tcp
N/A 37.34.248.24:80 tcp
N/A 104.16.248.249:443 tcp
N/A 104.16.248.249:443 tcp
N/A 104.16.248.249:443 tcp
N/A 104.16.248.249:443 tcp
N/A 104.16.248.249:443 tcp
N/A 104.16.248.249:443 tcp
N/A 104.16.248.249:443 tcp
N/A 104.16.248.249:443 tcp
N/A 104.16.248.249:443 tcp
N/A 104.16.248.249:443 tcp
N/A 104.16.248.249:443 tcp
N/A 104.16.248.249:443 tcp
N/A 104.16.248.249:443 tcp
N/A 104.16.248.249:443 tcp
N/A 104.16.248.249:443 tcp
N/A 104.16.248.249:443 tcp
N/A 104.16.248.249:443 tcp
N/A 104.16.248.249:443 tcp
N/A 104.16.248.249:443 tcp
N/A 104.16.248.249:443 tcp
N/A 104.16.248.249:443 tcp
N/A 104.16.248.249:443 tcp
N/A 104.16.248.249:443 tcp
N/A 104.16.248.249:443 tcp
N/A 104.16.248.249:443 tcp
N/A 104.16.248.249:443 tcp
N/A 104.16.248.249:443 tcp
N/A 104.16.248.249:443 tcp
N/A 104.16.248.249:443 tcp
N/A 104.16.248.249:443 tcp
N/A 104.16.248.249:443 tcp
N/A 104.16.248.249:443 tcp
N/A 104.16.248.249:443 tcp
N/A 104.16.248.249:443 tcp
N/A 1.1.1.1:853 tcp
N/A 104.16.248.249:443 tcp
N/A 104.16.248.249:443 tcp
N/A 104.16.248.249:443 tcp
N/A 104.16.248.249:443 tcp
N/A 104.16.248.249:443 tcp
N/A 104.16.248.249:443 tcp
N/A 104.16.248.249:443 tcp
N/A 104.16.248.249:443 tcp
N/A 104.16.248.249:443 tcp
N/A 104.16.248.249:443 tcp
N/A 194.58.112.174:80 eprwfthrquwdmlk.ru tcp
N/A 104.16.248.249:443 tcp
N/A 104.16.248.249:443 tcp
N/A 104.16.248.249:443 tcp
N/A 104.16.248.249:443 tcp
N/A 104.16.248.249:443 tcp
N/A 104.16.248.249:443 tcp
N/A 104.16.248.249:443 tcp
N/A 104.16.248.249:443 tcp
N/A 104.16.248.249:443 tcp
N/A 104.16.248.249:443 tcp
N/A 104.16.248.249:443 tcp
N/A 104.16.248.249:443 tcp
N/A 63.251.106.25:80 mwenivyckoiocjc.ru tcp
N/A 104.16.248.249:443 tcp
N/A 104.16.248.249:443 tcp
N/A 104.16.248.249:443 tcp
N/A 104.16.248.249:443 tcp
N/A 104.16.248.249:443 tcp
N/A 104.16.248.249:443 tcp
N/A 104.16.248.249:443 tcp
N/A 104.16.248.249:443 tcp
N/A 104.16.248.249:443 tcp
N/A 104.16.248.249:443 tcp
N/A 104.16.248.249:443 tcp
N/A 104.16.248.249:443 tcp
N/A 104.16.248.249:443 tcp
N/A 104.16.248.249:443 tcp
N/A 104.16.248.249:443 tcp
N/A 104.16.248.249:443 tcp
N/A 104.16.248.249:443 tcp
N/A 104.16.248.249:443 tcp
N/A 104.16.248.249:443 tcp
N/A 37.34.248.24:80 dxhphkbvtdecrss.ru tcp
N/A 85.214.228.140:80 emkbnbttbufjhax.ru tcp
N/A 104.16.248.249:443 tcp
N/A 104.16.248.249:443 tcp
N/A 104.16.248.249:443 tcp
N/A 104.16.248.249:443 tcp
N/A 37.34.248.24:80 dxhphkbvtdecrss.ru tcp
N/A 37.34.248.24:80 dxhphkbvtdecrss.ru tcp
N/A 37.34.248.24:80 dxhphkbvtdecrss.ru tcp
N/A 37.34.248.24:80 dxhphkbvtdecrss.ru tcp

Files

/data/user/0/com.eg.android.AlipayGphone/app_apkprotector_dex/classes-v1.bin

MD5 07f46dfd0ab168d4170b4b269193f737
SHA1 1e1ee6f7e2d92f3bbe096fabd4a8189101e4eda7
SHA256 5b7e51788f0d2c5cd4f4118a72e4152f8d0a9f594044a3f4df16f6c269d2d337
SHA512 0b979c4676896687796e1724eef9bd614dd27dea2294e93d99b92e4d082a15d18e8200fb1d30f6ddd06cc9184f32dd6b1e1f07c518027fa8a795b876710beeba

/data/user/0/com.eg.android.AlipayGphone/app_apkprotector_dex/classes-v1.bin

MD5 d41d8cd98f00b204e9800998ecf8427e
SHA1 da39a3ee5e6b4b0d3255bfef95601890afd80709
SHA256 e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
SHA512 cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

/data/user/0/com.eg.android.AlipayGphone/app_apkprotector_dex/classes-v1.bin

MD5 9e0392a1bf11f0040d5249058112cdba
SHA1 03ffc89ba2fd52c7516c50102b99c85bf9e334a1
SHA256 173eb42719d5ac44e258048ffad5a8bca1e09aeb5d77fe87a8b1e8d6157dee8b
SHA512 5c3655db6b88ef0692a9594363a17722b11e55d0fc6bd8fa3b1145c7780652723aaaff81b3ac9813349c1ba9d56ac59d7b6deef1170233ebd988f90a41cbc4f2

/data/user/0/com.eg.android.AlipayGphone/shared_prefs/DHL.xml

MD5 62547de79dbf6d48950bf9a067938d74
SHA1 e3d6e0ae394bca72d010ae7ec380124777af58b8
SHA256 cb7b6f3a2de039fba64766ff459c3f13edc7fc1112adcd28e58dd37f91cd42b2
SHA512 dcb30261aaf71c61542fc77d75c1146ac16029e54ef4a72ca034415eaedb491d0e5fb1c46a9e72f9318a5fb695b29858dd49a740ee7eab6a4d7aa80d8759c711

/data/user/0/com.eg.android.AlipayGphone/shared_prefs/DHL.xml

MD5 86c66c7dcbf09cf93a13c373dac4f95b
SHA1 f3e05f85324db39fa67b69a7c3a3a63073f511fc
SHA256 05dd027fab97f1d6535eda5621ff4e81f171406c67a0c4ce81d26ba22e76c076
SHA512 e24c763fa398fd22432c17bfc5318d1b95ca97c47a28c5dc8f692da434554488aa45d3e92f9103b4254d0b2d5e75d10cbb6556160f684e52af1558c928a9abeb