Malware Analysis Report

2025-01-19 05:42

Sample ID 210816-p8eazkfds6
Target 9db3104f47dbba8f876dc5a53c069df93054878e8f247caeb2d9646e973538d7.apk
SHA256 9db3104f47dbba8f876dc5a53c069df93054878e8f247caeb2d9646e973538d7
Tags
flubot banker infostealer obfuscation 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

9db3104f47dbba8f876dc5a53c069df93054878e8f247caeb2d9646e973538d7

Threat Level: Known bad

The file 9db3104f47dbba8f876dc5a53c069df93054878e8f247caeb2d9646e973538d7.apk was found to be: Known bad.

Malicious Activity Summary

flubot banker infostealer obfuscation trojan

FluBot

FluBot Payload

Requests dangerous framework permissions

Loads dropped Dex/Jar

Requests enabling of the accessibility settings.

Uses reflection

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2021-08-16 09:46

Signatures

Requests dangerous framework permissions

Description Indicator Process Target
Allows an application to send SMS messages. android.permission.SEND_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 receive SMS messages. android.permission.RECEIVE_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 read SMS messages. android.permission.READ_SMS N/A N/A
Allows an application to read the user's contacts data. android.permission.READ_CONTACTS N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2021-08-16 09:46

Reported

2021-08-16 09:49

Platform

android-x86-arm

Max time kernel

1314768s

Command Line

com.iqiyi.i18n

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.iqiyi.i18n/code_cache/secondary-dexes/base.apk.classes1.zip N/A N/A
N/A /data/user/0/com.iqiyi.i18n/code_cache/secondary-dexes/base.apk.classes1.zip N/A N/A

Requests enabling of the accessibility settings.

Description Indicator Process Target
Intent action android.settings.ACCESSIBILITY_SETTINGS N/A N/A

Uses reflection

obfuscation
Description Indicator Process Target
Invokes method android.view.ViewGroup.makeOptionalFitsSystemWindows N/A N/A N/A
Acesses field com.android.okhttp.internal.tls.OkHostnameVerifier.INSTANCE N/A N/A N/A

Processes

com.iqiyi.i18n

com.iqiyi.i18n

/system/bin/dex2oat

Network

N/A

Files

/data/user/0/com.iqiyi.i18n/code_cache/secondary-dexes/MultiDex.lock

MD5 d41d8cd98f00b204e9800998ecf8427e
SHA1 da39a3ee5e6b4b0d3255bfef95601890afd80709
SHA256 e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
SHA512 cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

/data/user/0/com.iqiyi.i18n/code_cache/secondary-dexes/tmp-base.apk.classes3441950943227044787.zip

MD5 d41d8cd98f00b204e9800998ecf8427e
SHA1 da39a3ee5e6b4b0d3255bfef95601890afd80709
SHA256 e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
SHA512 cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

/data/user/0/com.iqiyi.i18n/code_cache/secondary-dexes/base.apk.classes1.zip.x86.flock

MD5 d41d8cd98f00b204e9800998ecf8427e
SHA1 da39a3ee5e6b4b0d3255bfef95601890afd80709
SHA256 e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
SHA512 cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

/data/user/0/com.iqiyi.i18n/code_cache/secondary-dexes/oat/x86/base.apk.classes1.vdex

MD5 47f097ea0094c3daeb9490c80de77ed7
SHA1 e58c20b0136539b984aa2fe4764a06b25d2ae8d7
SHA256 cbf414292a0dd1af690df5c70c64e5cc03b9f03f4c9d5ca80a4ff517519d4ba1
SHA512 b3ecde9f291a5a1163167b57b52b3c12a47c0dfb9a1e259881d6cf4e05c45cbd6798b62ca15655c2204e6bc1ef3366518eead6db845db744f3cae28f62d4441a

/data/user/0/com.iqiyi.i18n/code_cache/secondary-dexes/oat/x86/base.apk.classes1.odex

MD5 7ccc15bea9ad25fb1f1d96bc60c8e1dd
SHA1 2cf7a883cdf4c1b3684cd63efccaa9539a222aee
SHA256 4ebf668df2ee60180387a84a11de8db58d7c55a0fec2e46607a0921b8e32e237
SHA512 85c48b9d70c270819cd7ed640c7b846d96faee4dd5782fa33bf12b50ba6d92d7f7601b9ac9347547b8231aedfc39ae53e68a2d0f55d015917a65e3e4d09ec6b9

/data/user/0/com.iqiyi.i18n/shared_prefs/multidex.version.xml

MD5 9cd477762486492c7192b2a476e0fa26
SHA1 34ca8a91a1bea326a32790721581810252a76864
SHA256 9b8b9ab9315d6e7d5d4f4fafc5e4c2d0ea348f5baa1a29d2e0f636affa9258d0
SHA512 bc984a158d5bdda881f2e5c09f5bc4e124a7ce1312722d4b51ae9c5b0cfb85133f7c9dd7319de23e1708014dbc60b17d46b7a16f2654f1880f769038d2b84831

/data/user/0/com.iqiyi.i18n/code_cache/secondary-dexes/base.apk.classes1.zip

MD5 d41d8cd98f00b204e9800998ecf8427e
SHA1 da39a3ee5e6b4b0d3255bfef95601890afd80709
SHA256 e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
SHA512 cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

/data/user/0/com.iqiyi.i18n/code_cache/secondary-dexes/base.apk.classes1.zip

MD5 d41d8cd98f00b204e9800998ecf8427e
SHA1 da39a3ee5e6b4b0d3255bfef95601890afd80709
SHA256 e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
SHA512 cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

/data/user/0/com.iqiyi.i18n/shared_prefs/Voicemail.xml

MD5 f8eac3216e7d908ddba3b80dbbc58066
SHA1 d5594afea5cff1ac84d28b887a21ec760ac49a8c
SHA256 4c43d1a3fa82b3a1fa91f7ddc5092b51918433c11185e82a2b170d8c5876a914
SHA512 bd8342ea2cb6b06ca77bb9f42daf9f1066a1db1f3db8e9af5141d29325e818a6de4d074eb1eeb5fbd68742b9fb7cbfabb93e429d3412bc9b97d7d66ddd911891