Malware Analysis Report

2025-01-19 05:42

Sample ID 210819-n5kcy2j7bn
Target aa177271503b0d4c7c56455246efa9c2a92569ffff71dd77ee41ab91ff3c601d.apk
SHA256 aa177271503b0d4c7c56455246efa9c2a92569ffff71dd77ee41ab91ff3c601d
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

aa177271503b0d4c7c56455246efa9c2a92569ffff71dd77ee41ab91ff3c601d

Threat Level: Known bad

The file aa177271503b0d4c7c56455246efa9c2a92569ffff71dd77ee41ab91ff3c601d.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

2021-08-19 12:35

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

2021-08-19 12:35

Reported

2021-08-19 12:38

Platform

android-x86-arm

Max time kernel

1584117s

Command Line

com.didiglobal.passenger

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

com.didiglobal.passenger

/system/bin/dex2oat

Network

N/A

Files

/data/user/0/com.didiglobal.passenger/code_cache/secondary-dexes/MultiDex.lock

MD5 d41d8cd98f00b204e9800998ecf8427e
SHA1 da39a3ee5e6b4b0d3255bfef95601890afd80709
SHA256 e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
SHA512 cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

/data/user/0/com.didiglobal.passenger/code_cache/secondary-dexes/tmp-base.apk.classes4239519218481535557.zip

MD5 6d3061d6d703e4dca01a456e47ec5d07
SHA1 e35d68c582db3cc631402eb8dbdd0f5c653a6447
SHA256 ad9d8377a841575a40a5dca1f1d3f9d87f1aca1a22497d218bae0e5efa387476
SHA512 9d207eecf33d06f0e86f66cc5a8af78a03fce454569e90c408e397c1ce8e90277fa618d1baf882ee5fc78a401b6c55467882b0c316ffd2491a1746c9e503830e

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

MD5 d41d8cd98f00b204e9800998ecf8427e
SHA1 da39a3ee5e6b4b0d3255bfef95601890afd80709
SHA256 e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
SHA512 cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

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

MD5 370164212a03953b69d37a50616f1738
SHA1 b8e4aaf32eed6cebb900864a29f725fe9d2d86c1
SHA256 982d38b3502769c6a583fccd898024a23021cbe5332fd87700596caaa1223022
SHA512 3540ee9a04ccf2ac695f280f19f47f05b1b86a62383ddabc26aff85dbf4ea07bb3b0cb8380863c427b90d1c60dd88926b5771b03cad01df24c047c1ae5867309

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

MD5 25fd6c99341237f25064323d903b4484
SHA1 a9fc10505cf5cc5defe3f2b680ebcc966676c812
SHA256 e6ceeb6f10120cb8c8ecf671b6e9d56e96efc5fbf707cb161c1674bafe0c53ea
SHA512 393ffdaf14ca41134302e1b9c84b750ae18f694b9493ccabf2553a7d683300aec1ef52c129466f5c93d333f56933077f6c84aed9fae59991da8dc6849ccf9dde

/data/user/0/com.didiglobal.passenger/shared_prefs/multidex.version.xml

MD5 5ca998fa53c8cb815733f7e1e7c47163
SHA1 7371e8a10b8f841591a8945d49926962308dd880
SHA256 6f6eeac17cf9ec2f2dcd56de0f1c292874d1e36257d95cd547c4ac93225a77cd
SHA512 f4f38361983ccffaa35c643b8233f9262829ed26f0cf58d08cf595b3a09fc6591aeb23d4ec6449376cb1899d4ecd3797d02ead4c36b1073aa214701cb7545cc5

/data/user/0/com.didiglobal.passenger/code_cache/secondary-dexes/base.apk.classes1.zip

MD5 d41d8cd98f00b204e9800998ecf8427e
SHA1 da39a3ee5e6b4b0d3255bfef95601890afd80709
SHA256 e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
SHA512 cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

/data/user/0/com.didiglobal.passenger/code_cache/secondary-dexes/base.apk.classes1.zip

MD5 d41d8cd98f00b204e9800998ecf8427e
SHA1 da39a3ee5e6b4b0d3255bfef95601890afd80709
SHA256 e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
SHA512 cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

/data/user/0/com.didiglobal.passenger/shared_prefs/Voicemail.xml

MD5 32e12e2f08d84005cd902220f6bb30ed
SHA1 97e8994538abb269e20a05db9cd373b11380f917
SHA256 1557f46be0665a7357a86462ab3de4caf58f906a139af3be3279dfaca7d826a2
SHA512 7d2a24911024482c1bd2821846de4f79f86b1e7e9fbf38070764dcd56326ac345e03ffa90570f22349138c7fbf21894f6fdb6091849e6c8330606140046fa9de