Malware Analysis Report

2025-01-19 05:42

Sample ID 210826-tsy3t2wksa
Target 2e43062d0e753c21b62d1fc029947fe8ab916be2492fd2d0464b24a427712b34.apk
SHA256 2e43062d0e753c21b62d1fc029947fe8ab916be2492fd2d0464b24a427712b34
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

2e43062d0e753c21b62d1fc029947fe8ab916be2492fd2d0464b24a427712b34

Threat Level: Known bad

The file 2e43062d0e753c21b62d1fc029947fe8ab916be2492fd2d0464b24a427712b34.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

2021-08-26 09:28

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

2021-08-26 09:28

Reported

2021-08-26 09:32

Platform

android-x86-arm

Max time kernel

2177761s

Command Line

com.baidu.BaiduMap

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

com.baidu.BaiduMap

/system/bin/dex2oat

Network

N/A

Files

/data/user/0/com.baidu.BaiduMap/code_cache/secondary-dexes/MultiDex.lock

MD5 d41d8cd98f00b204e9800998ecf8427e
SHA1 da39a3ee5e6b4b0d3255bfef95601890afd80709
SHA256 e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
SHA512 cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

/data/user/0/com.baidu.BaiduMap/code_cache/secondary-dexes/tmp-base.apk.classes7419703698340392161.zip

MD5 d41d8cd98f00b204e9800998ecf8427e
SHA1 da39a3ee5e6b4b0d3255bfef95601890afd80709
SHA256 e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
SHA512 cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

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

MD5 d41d8cd98f00b204e9800998ecf8427e
SHA1 da39a3ee5e6b4b0d3255bfef95601890afd80709
SHA256 e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
SHA512 cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

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

MD5 fef733dcb80dc8164bf3eb78b0f1eba0
SHA1 18442fcd4831c5eb2303a52915495c8ef805662c
SHA256 bb145c4488a752d694de3445dc3ddb036eceee1e8eb17a4a1effda55d9383423
SHA512 028b7b4acd27d87b280ca1abf78fb07bb7eda8408858a356629ff8d6223345f458587ad7108af390fca5dd98aeac9c1ee67bf0697b0060ac99d359946a4eb1de

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

MD5 1a8e01f4b42ae3bd2d9b042449c19cee
SHA1 ccd0d553fb0672ffc9a226231389ec6f64cfbd54
SHA256 2fc3c6b882f216b23cac349214cd8c1d8a1ffffad8d6adfc89217ff4c6394732
SHA512 2879dd7726b8680221e037c4707005cefd1fe95301748e967ade7a54f5238dde27c5c6e83eeae7338960b970896e8b86b94c2dd6c3a41a9af72ef366a22ac5ff

/data/user/0/com.baidu.BaiduMap/shared_prefs/multidex.version.xml

MD5 d52a3d1efa1ca7af6a25f1d036398672
SHA1 333fb8664d0b3ba871777ed62a0349f509f1dfc9
SHA256 379a4538acde0abad8ef34504e870fb1db3cd2457331151c2da62492c9103233
SHA512 ca69488f237420a1afe32534923a0009c3284972aa6bec3d501e72943133c90068916aa89bce8a7103318f744f1ebc45e47acb508bf209613bfa79a9087934f5

/data/user/0/com.baidu.BaiduMap/code_cache/secondary-dexes/base.apk.classes1.zip

MD5 d41d8cd98f00b204e9800998ecf8427e
SHA1 da39a3ee5e6b4b0d3255bfef95601890afd80709
SHA256 e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
SHA512 cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

/data/user/0/com.baidu.BaiduMap/code_cache/secondary-dexes/base.apk.classes1.zip

MD5 d41d8cd98f00b204e9800998ecf8427e
SHA1 da39a3ee5e6b4b0d3255bfef95601890afd80709
SHA256 e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
SHA512 cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

/data/user/0/com.baidu.BaiduMap/shared_prefs/Voicemail.xml

MD5 4fd8c5fd80a97994291022f99af0dd4a
SHA1 947eccaf6d938d7831f349627e20f04a9b186275
SHA256 88060d75dd1f42feada3b72f66a4868a7e7fa351168fd10e54955edbb85f2866
SHA512 17c0cea3d2d07f11d99224e5c22096fe03cd277e1c6af526262cf21c3778528b10308b722e95fec469df0d00af83823818a20284e379b374bff00ac3f5a6fa8c