Malware Analysis Report

2025-01-19 05:42

Sample ID 210817-353l4j6az6
Target 152cd810aa27c2878d7b464e519a4a5be05347933ca2f916b78fa75f2bda1a03.apk
SHA256 152cd810aa27c2878d7b464e519a4a5be05347933ca2f916b78fa75f2bda1a03
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

152cd810aa27c2878d7b464e519a4a5be05347933ca2f916b78fa75f2bda1a03

Threat Level: Known bad

The file 152cd810aa27c2878d7b464e519a4a5be05347933ca2f916b78fa75f2bda1a03.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

2021-08-17 08:10

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 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 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 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 read SMS messages. android.permission.READ_SMS N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2021-08-17 08:10

Reported

2021-08-17 08:12

Platform

android-x64

Max time kernel

1395330s

Max time network

21s

Command Line

com.weico.international

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.weico.international/app_apkprotector_dex/Glij7UHy.aws N/A N/A
N/A /data/user/0/com.weico.international/app_apkprotector_dex/Glij7UHy.aws 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.weico.international

Network

Country Destination Domain Proto
N/A 1.1.1.1:853 tcp
N/A 216.239.35.8:123 time.android.com udp

Files

/data/user/0/com.weico.international/app_apkprotector_dex/Glij7UHy.aws

MD5 b1d614416713cac32114408e34bf65f8
SHA1 6d359cdd25d13b7e407c60301ceec5d276b3580c
SHA256 43aeff13359ef7e32a451cd4b92c92a0fe1e1379529908da360ad52ab536edee
SHA512 ef8b04cd045b89ef6ad4e1ecffa8dd45e7c7adc9a35e1f9648c13bc6c3fa1b916ef8fc592990806755801df460932c128a49836962d5a614858e3c695625786f

/data/user/0/com.weico.international/app_apkprotector_dex/Glij7UHy.aws

MD5 d41d8cd98f00b204e9800998ecf8427e
SHA1 da39a3ee5e6b4b0d3255bfef95601890afd80709
SHA256 e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
SHA512 cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

/data/user/0/com.weico.international/app_apkprotector_dex/Glij7UHy.aws

MD5 d41d8cd98f00b204e9800998ecf8427e
SHA1 da39a3ee5e6b4b0d3255bfef95601890afd80709
SHA256 e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
SHA512 cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

/data/user/0/com.weico.international/shared_prefs/DHL.xml

MD5 5cb0c6c0707750ef1ac99bf30c39c9af
SHA1 a07fbf5f1c9361969a09e4caac8d27b8bde8c2a3
SHA256 94aab2ed096f207ba04192c366c90e368e7c7ee1e65db5155667cd316e481241
SHA512 6dc5c82bea653ff86eebc4887e2f562fc2c80bfe1005ddd037d42c3f610524d4375bb33f6a442c6963f6ca800a378595514e7605f4d93e57897248254d1f67eb