Malware Analysis Report

2025-01-19 05:43

Sample ID 211005-s89rxaaae8
Target 338041fa9c4e537aedd399de211d3ed3f7ab862cc961c49692fa54d91505ce47.apk
SHA256 338041fa9c4e537aedd399de211d3ed3f7ab862cc961c49692fa54d91505ce47
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

338041fa9c4e537aedd399de211d3ed3f7ab862cc961c49692fa54d91505ce47

Threat Level: Known bad

The file 338041fa9c4e537aedd399de211d3ed3f7ab862cc961c49692fa54d91505ce47.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 15:48

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 15:48

Reported

2021-10-05 15:52

Platform

android-x64

Max time kernel

1361537s

Max time network

39s

Command Line

com.tencent.qqlivei18n.us

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.tencent.qqlivei18n.us/app_apkprotector_dex/KBgCzIBV.gl N/A N/A
N/A /data/user/0/com.tencent.qqlivei18n.us/app_apkprotector_dex/KBgCzIBV.gl 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.tencent.qqlivei18n.us

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.tencent.qqlivei18n.us/app_apkprotector_dex/KBgCzIBV.gl

MD5 df0f2268fe298a972395f9e051ce9079
SHA1 a38e69592220b048363b937b68c9be661900047a
SHA256 784ff295476d8317372954b5b031a76596428eed5a210c5861866c6f9bf20534
SHA512 d35c28ce06048d04830d950a148b8efcfb8f4128384e62c1d1adfd5fd1ec9f0ec72e3a35c8919b69c7fb5a6193715dced5e33d428789837fda35b12b6394923a

/data/user/0/com.tencent.qqlivei18n.us/app_apkprotector_dex/KBgCzIBV.gl

MD5 d41d8cd98f00b204e9800998ecf8427e
SHA1 da39a3ee5e6b4b0d3255bfef95601890afd80709
SHA256 e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
SHA512 cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

/data/user/0/com.tencent.qqlivei18n.us/app_apkprotector_dex/KBgCzIBV.gl

MD5 d41d8cd98f00b204e9800998ecf8427e
SHA1 da39a3ee5e6b4b0d3255bfef95601890afd80709
SHA256 e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
SHA512 cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

/data/user/0/com.tencent.qqlivei18n.us/shared_prefs/Voicemail.xml

MD5 2598b5f04c11d7b547c848f90ddaa068
SHA1 247f5679a090cd34dd11c388815035ea3cee871a
SHA256 6f02a424ee02241e763c44a058563d7933ff1a8c80e0128b86abb8c86722a3da
SHA512 301f443e3a98fa9076dcd9a687c0d7e1777c8b9dae3f92519bf871a12103305cfad9d62fc161b54fc34ea7cb9f6aab280d7ae60a935d0fd163d09021a9256e19