flubot | 53721f5f5eb05250b7d7e599983dc34d2ea2061e8032d4be8fcf9693452757a3

Analysis

max time kernel
150s
max time network
159s
platform
android_x86
resource
android-x86-arm-20240221-en
resource tags

androidarch:armarch:x86image:android-x86-arm-20240221-enlocale:en-usos:android-9-x86system
submitted
14-03-2024 09:00

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General

Target

53721f5f5eb05250b7d7e599983dc34d2ea2061e8032d4be8fcf9693452757a3.apk
Size

3.3MB
MD5

b670a3277e69ff3f6aa23c0116675cd9
SHA1

f7a6aab778d3a3a348cbb329ef32ed3c492c1ea8
SHA256

53721f5f5eb05250b7d7e599983dc34d2ea2061e8032d4be8fcf9693452757a3
SHA512

72062267c183060db58f21af96a6d8350cac37b34e85d523576b3a6000d14e515547c57916452b11d4a6370a3e0e4377a80a556956944c9f909e2ba427f2d80b
SSDEEP

98304:B0zGt3ZuI7y690JAD/oD4/mQs6/LTdCHZs:B+GfuI7y2oDrq

Score

10^/10

flubot banker collection discovery evasion infostealer trojan

Malware Config

Signatures

FluBot
FluBot is an android banking trojan that uses overlays.
banker trojan infostealer flubot

FluBot payload 1 IoCs

resource	yara_rule
behavioral1/memory/4186-0.dex	family_flubot

Makes use of the framework's Accessibility service 2 TTPs 1 IoCs

Retrieves information displayed on the phone screen using AccessibilityService.

collection evasion

Input Injection

T1516

Screen Capture

T1513

description	ioc	Process
Framework service call	android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfoByAccessibilityId	com.tencent.qqmusic

Loads dropped Dex/Jar 1 TTPs 1 IoCs

Runs executable file dropped to the device during analysis.

evasion

Download New Code at Runtime

T1407

ioc	pid	Process
/data/user/0/com.tencent.qqmusic/code_cache/secondary-dexes/base.apk.classes1.zip	4186	com.tencent.qqmusic

Creates a large amount of network flows 1 TTPs
This may indicate a network scan to discover remotely running services.
discovery

Network Service Discovery
T1046

Uses Crypto APIs (Might try to encrypt user data) 1 IoCs

description	ioc	Process
Framework API call	javax.crypto.Cipher.doFinal	com.tencent.qqmusic

com.tencent.qqmusic
1⤵
- Makes use of the framework's Accessibility service
- Loads dropped Dex/Jar
- Uses Crypto APIs (Might try to encrypt user data)
PID:4186

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Network Service Discovery

T1046

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

MITRE ATT&CK Mobile v15

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Download New Code at Runtime

T1407

Input Injection

T1516

Credential Access

Discovery

Lateral Movement

Collection

Screen Capture

T1513

Command and Control

Exfiltration

Impact

Input Injection

T1516

Replay Monitor

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Downloads

/data/data/com.tencent.qqmusic/code_cache/secondary-dexes/tmp-base.apk.classes1015301430163764928.zip

Filesize
608KB

MD5
3c022ffa315f4cad10b08ffd54218f27

SHA1
e79aa6c79b08330ca1dba222998000465eb28973

SHA256
1be73298e17faf49a0673863a3136c3c0f7c19824a064ff2f72cfa54880fd5aa

SHA512
b645b5cf7dc2d43792ffc2b621ab101a86e04f229650b6f43c9e6518e7213d1050b091f0b3dd85e9485b616cdad14ea6a78188b9c80ed5a92a0746f7f71310be

Download Submit
/data/user/0/com.tencent.qqmusic/code_cache/secondary-dexes/base.apk.classes1.zip

Filesize
2.4MB

MD5
8ea2dc64e9e7a2740c3e5effe242615e

SHA1
39882a484ee4dbb7ef46554893ce7822b5656eb1

SHA256
d52975758f8799644df1ab42958abe05c3cbb3bd2b436d4ec5c18c2961747300

SHA512
d598e0cd00e0cb25d3a6db7d9ca4226929f843647ccd08dacc0ff40d842d6dfbc3cb00760692787f21cc178d1b76c4ae1db67f44ff7615c66c6f46b705108390

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

MITRE ATT&CK Mobile v15

Replay Monitor

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Downloads