flubot | 7b7d444527be2709a9068919ab59bf25e11ab357cd4ad731ecd10ad7f0b81ceb

Analysis

max time kernel
720685s
max time network
39s
platform
android_x64
resource
android-x64
submitted
09-08-2021 12:45

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General

Target

7b7d444527be2709a9068919ab59bf25e11ab357cd4ad731ecd10ad7f0b81ceb.apk
Size

4.2MB
MD5

40f97a94af5fc5bd5ded862a97878603
SHA1

d45dc7b8f0fe5c6e04cc4d1883bd3bf25ab54f63
SHA256

7b7d444527be2709a9068919ab59bf25e11ab357cd4ad731ecd10ad7f0b81ceb
SHA512

743a2b9fff5cd4d6bdce805057c554742345f71e191716f4cf6ffd020b34224c2ee932cd627a57ef8cee83f2a08c49ee0859316383c91a15db4240208594bae9

Score

10^/10

flubot banker infostealer obfuscation ransomware trojan

Malware Config

Signatures

FluBot
FluBot is an android banking trojan that uses overlays.
banker trojan infostealer flubot

FluBot Payload 2 IoCs

Processes:

resource	yara_rule
/data/user/0/com.tencent.mobileqq/app_apkprotector_dex/vQ0vejz0.ood	family_flubot
/data/user/0/com.tencent.mobileqq/app_apkprotector_dex/vQ0vejz0.ood	family_flubot

Loads dropped Dex/Jar 2 IoCs

Runs executable file dropped to the device during analysis.

Processes:

com.tencent.mobileqq

ioc	pid	process
/data/user/0/com.tencent.mobileqq/app_apkprotector_dex/vQ0vejz0.ood	3649	com.tencent.mobileqq
/data/user/0/com.tencent.mobileqq/app_apkprotector_dex/vQ0vejz0.ood	3649	com.tencent.mobileqq

Uses Crypto APIs (Might try to encrypt user data). 1 IoCs
ransomware

Processes:

com.tencent.mobileqq

description ioc process

Framework API call javax.crypto.Cipher.doFinal com.tencent.mobileqq
Uses reflection 1 IoCs
obfuscation

Processes:

com.tencent.mobileqq

description pid process

Invokes method android.view.ViewGroup.makeOptionalFitsSystemWindows 3649 com.tencent.mobileqq

description	ioc	process
Framework API call	javax.crypto.Cipher.doFinal	com.tencent.mobileqq

description	pid	process
Invokes method android.view.ViewGroup.makeOptionalFitsSystemWindows	3649	com.tencent.mobileqq

com.tencent.mobileqq
1⤵
- Loads dropped Dex/Jar
- Uses Crypto APIs (Might try to encrypt user data).
- Uses reflection
PID:3649

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

/data/user/0/com.tencent.mobileqq/app_apkprotector_dex/vQ0vejz0.ood

MD5
559cded65f2e46c5e42adbf663f3c435

SHA1
88c55fc2b7570354d351c10d518dbfb62e26605a

SHA256
8607556b56cf6a5bac2758f7ec9a5ea015d8b1351ec31d032e6b8977677cbb03

SHA512
e76a930530e30586e5b8339329e1480ab0ca91b68c46b213e319311397d422b72697ee60a57313e17bc96ce3fd8414a2ea2ee92f82fe0481c28ba452ee5e2c12

Download Submit
/data/user/0/com.tencent.mobileqq/app_apkprotector_dex/vQ0vejz0.ood

MD5
559cded65f2e46c5e42adbf663f3c435

SHA1
88c55fc2b7570354d351c10d518dbfb62e26605a

SHA256
8607556b56cf6a5bac2758f7ec9a5ea015d8b1351ec31d032e6b8977677cbb03

SHA512
e76a930530e30586e5b8339329e1480ab0ca91b68c46b213e319311397d422b72697ee60a57313e17bc96ce3fd8414a2ea2ee92f82fe0481c28ba452ee5e2c12

Download Submit
/data/user/0/com.tencent.mobileqq/app_apkprotector_dex/vQ0vejz0.ood

MD5
d41d8cd98f00b204e9800998ecf8427e

SHA1
da39a3ee5e6b4b0d3255bfef95601890afd80709

SHA256
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

SHA512
cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

Download Submit
/data/user/0/com.tencent.mobileqq/shared_prefs/Voicemail.xml

MD5
5251914d18f484e7316b82d7e67ecec7

SHA1
f5e022935a21af9854da3de760cd2f50875263f0

SHA256
b7daab088c074e5e6ebf219d1fe8a6918afccb82eb76805a7b198ce836c7e367

SHA512
651603e7b3ba2df52735cea55337d11107a2be36a873710cd87fb249f2b2d9ee020e287948d57904ddabd91b379b94b57bf15efd71e01fa2d5acceb948e58586

Download Submit