Malware Analysis Report

2025-01-19 05:44

Sample ID 211005-s9e9paaddq
Target 09ba5092361b8af7701a04f154232ff552344fd0d176154bdaeca98ad9c2d2e8.apk
SHA256 09ba5092361b8af7701a04f154232ff552344fd0d176154bdaeca98ad9c2d2e8
Tags
flubot banker infostealer obfuscation ransomware 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

09ba5092361b8af7701a04f154232ff552344fd0d176154bdaeca98ad9c2d2e8

Threat Level: Known bad

The file 09ba5092361b8af7701a04f154232ff552344fd0d176154bdaeca98ad9c2d2e8.apk was found to be: Known bad.

Malicious Activity Summary

flubot banker infostealer obfuscation ransomware trojan

FluBot

FluBot Payload

Requests dangerous framework permissions

Loads dropped Dex/Jar

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

Uses reflection

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2021-10-05 15:49

Signatures

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 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 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 receive SMS messages. android.permission.RECEIVE_SMS N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2021-10-05 15:49

Reported

2021-10-05 15:51

Platform

android-x64

Max time kernel

1361535s

Max time network

19s

Command Line

com.bilibili.app.in

Signatures

FluBot

banker trojan infostealer flubot

FluBot Payload

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

Loads dropped Dex/Jar

Description Indicator Process Target
N/A /data/user/0/com.bilibili.app.in/app_apkprotector_dex/5elm4PZE.lvm N/A N/A
N/A /data/user/0/com.bilibili.app.in/app_apkprotector_dex/5elm4PZE.lvm N/A N/A
N/A /data/data/com.bilibili.app.in/app_apkprotector_dex/5elm4PZE.lvm 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
Invokes method android.view.ViewGroup.makeOptionalFitsSystemWindows N/A N/A N/A

Processes

com.bilibili.app.in

Network

Country Destination Domain Proto
US 1.1.1.1:853 tcp
US 216.239.35.12:123 time.android.com udp

Files

/data/user/0/com.bilibili.app.in/app_apkprotector_dex/5elm4PZE.lvm

MD5 1caf949d807a4a8bc33d182f6a81184e
SHA1 6682ee27dbee247efcd4649e1e98586f8b303316
SHA256 ff3446d083ab604b47b7d715aea491a983f5bdfd75050bdbff707d7e68a1e6f4
SHA512 de9f669da1cdf75f85685e515c490ded0a1b345810830aeb89507b7ef59c81608dc661bc17c01db86796ef8916b4b3aab187bb5975638b12cf278e13415a90e0

/data/user/0/com.bilibili.app.in/app_apkprotector_dex/5elm4PZE.lvm

MD5 d41d8cd98f00b204e9800998ecf8427e
SHA1 da39a3ee5e6b4b0d3255bfef95601890afd80709
SHA256 e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
SHA512 cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

/data/user/0/com.bilibili.app.in/app_apkprotector_dex/5elm4PZE.lvm

MD5 d41d8cd98f00b204e9800998ecf8427e
SHA1 da39a3ee5e6b4b0d3255bfef95601890afd80709
SHA256 e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
SHA512 cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

/data/user/0/com.bilibili.app.in/shared_prefs/Voicemail.xml

MD5 315bb8d9767a09c99cd1792eb0e87213
SHA1 1ef17257e451adf98a897f41a88259ce56df89be
SHA256 7176215ddc57cf9657eda1b8522da78f91f51d2c8820c2cef9383d2fd28363d4
SHA512 7ef25314c16f6c89fc2c0cbae0dc6d6492b0c46301861dd1991f9d85652db7aff05256855d92626cfc1bb298b774c0aa7910134e242fa9dc6382bbf647cc1e6d

/data/data/com.bilibili.app.in/app_apkprotector_dex/5elm4PZE.lvm

MD5 d41d8cd98f00b204e9800998ecf8427e
SHA1 da39a3ee5e6b4b0d3255bfef95601890afd80709
SHA256 e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
SHA512 cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e