Malware Analysis Report

2025-01-19 05:42

Sample ID 210816-2ve98b5h7e
Target 4284116e1f74c5046cdbdb070408f3e5bf8053485458750a917e776452dabf39.apk
SHA256 4284116e1f74c5046cdbdb070408f3e5bf8053485458750a917e776452dabf39
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

4284116e1f74c5046cdbdb070408f3e5bf8053485458750a917e776452dabf39

Threat Level: Known bad

The file 4284116e1f74c5046cdbdb070408f3e5bf8053485458750a917e776452dabf39.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 07:36

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 07:36

Reported

2021-08-16 07:40

Platform

android-x86-arm

Max time kernel

1306990s

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.classes632074659378969333.zip

MD5 f55c0dfd9b5d7c3aa58ffab2a574b0f6
SHA1 9d19668f0a62b76b88509811de843bf9423af43c
SHA256 1c5c9da54c4fababff90e6df89d153090ebfdd2bf1cbc40d4b2298c4149f9bf3
SHA512 c21a4fa191aeea735ac5c4f03bd03ce5fedfd3f3eb48c8bce04a8ce964ac01f4967d9a970a0d00df03ac27b1d113f754cbb6e69277a8bdee395c4086aaa67b52

/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 4d7e6e4df812f057588f1b93ed6e2170
SHA1 cdf7728a611bfdef2e52647c75c91e9f0dcb9013
SHA256 9f7ed574581e99d86a927f76cc231b982e4ee96092be08ef437dde32a6361423
SHA512 1cc59454713937e5a1691107fc183ccb1749a1a8ecc18da9b2dec57e59e5717dd1d244c889c65ad920a9e5e8fc983252d3f645a12c1360ef41dde42377caf679

/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 237e9ac43d6e52f83572aeab923b587d
SHA1 20e349ccfc32d25151db7f228cb90c070b5af031
SHA256 16a0660adc9ef57ec0683f82d68bbddbea2e998260c2ebad13dbbac1f9c9e4d6
SHA512 889079f6b39a2f3baaa89d77dfb53b22f30479186ecc44e79b330078a7ffa2270f7615ef14d7dcd37d2318f6aead83ee4fa65ff8eb850678b280e9c3a4649108

/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 c62a54f4073827e1b649bb1f55f1b935
SHA1 f317eaf480bc7288d77abc3fbfc4c5d5890f1493
SHA256 06649a8fbee6f841356557174b36e64c0423d26717c3e17038b36a655642f691
SHA512 e8c04722fe461cd145b3b0184c2aef3cd4152d40baa195beb5da274215d60ed763e12e27e4bf9b56abb858f5de4648f5f6af150b2652e69019ed72b683e2beaa