Malware Analysis Report

2025-01-19 05:41

Sample ID 210812-q2tc3wpxle
Target f69231c51bc535cd517d48a5269f794c7edacb38c24ce323b2716033fa1310a8.apk
SHA256 f69231c51bc535cd517d48a5269f794c7edacb38c24ce323b2716033fa1310a8
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

f69231c51bc535cd517d48a5269f794c7edacb38c24ce323b2716033fa1310a8

Threat Level: Known bad

The file f69231c51bc535cd517d48a5269f794c7edacb38c24ce323b2716033fa1310a8.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

Uses reflection

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2021-08-12 12:25

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

2021-08-12 12:25

Reported

2021-08-12 12:29

Platform

android-x86-arm

Max time kernel

978719s

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

Uses reflection

obfuscation
Description Indicator Process Target
Invokes method android.view.ViewGroup.makeOptionalFitsSystemWindows 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.classes2148135554313702159.zip

MD5 6106ac73e7d75ee4c0bd16232e85f7bc
SHA1 98d148e8f40a64fa401df9e6b51feb4915ba06ef
SHA256 6e94c0a8e15f8acb3b3d9519e78fdb3e8e1c7f11390b3af99bbdf5302347b4a9
SHA512 859ed13f53ea06b5ff8c77fe89a2c7435318d8c10570285632ea318b979cba625c13cc4ec7c5106dab15f47f0090a5480d7e1e0c2cae5271406c3b518fd0a740

/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 03f7f707d1d1429fc09ec95f6afc0d74
SHA1 392416aaf91290eb25c615e3aec8391b19312894
SHA256 5decd86cf79465a48b69da983eb8f13e616d774661993cf47cfd9febc77b26fb
SHA512 5cd8edaae0b6dc830afef5b4f19b0dcdc8839475ea9e9fa3504676ea9a935d7826b6b9e88a5340b3bf15e4e9979144200175c3ba9a22e385e7751d2448499e4e

/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 0ed7563e2fa1daf2dcd5fc6c6215b225
SHA1 9cadf9a2cb7957f8543785883d4b619b78aab279
SHA256 19804c694e7292c5a1da290b29c135b63b422ca3b34c62be1f198c65a3cab027
SHA512 7d056881178bdd02b44dc5b037c0399fa913be6e5516aee8b84dcdd6cff27128d1a94487652e94b7a46ace14bdce0186a28666b7197159b0c290599b2a83cd7d