xloader_apk | 4e200e73d4dee33d1a22466caf4ad179eeaabcb3a82554006fa5df9cd286d21f

General

Target

4e200e73d4dee33d1a22466caf4ad179eeaabcb3a82554006fa5df9cd286d21f.apk
Size

445KB
MD5

8d3fd49cc6bc74b3927d607f0df205fb
SHA1

9c3329e8c585091387239923f634d6081949b322
SHA256

4e200e73d4dee33d1a22466caf4ad179eeaabcb3a82554006fa5df9cd286d21f
SHA512

0d7a990f133ba616d2f226c3f765be037a45b0de88edee2e00ee3d4b35b278149164fe343ce203aef85db777ea95b051bfcf0150bcdb61d9a2c0ace40515a838
SSDEEP

6144:6gEMrVY3PKaTJV/gm5C7XrXDDUEW+3qyqPoQ+8QVbSda8lysdWINQZoFSF+A75:6BJ2D7DAEXqyqQnSMey7SQZy25

Score

10^/10

xloader_apk banker collection defense_evasion discovery evasion impact infostealer persistence stealth trojan

Malware Config

Extracted

Family

xloader_apk

C2

https://docs.google.com/document/d/1s0n64k12_r9MglT5m9lr63M5F3e-xRyaMeYP7rdOTrA/mobilebasic

Attributes

user_agent
Mozilla/5.0 (Linux; Android 6.0; Nexus 5 Build/MRA58N) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/72.0.3626.121 Mobile Safari/537.36

Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/72.0.3626.121 Safari/537.36

Signatures

XLoader payload 2 IoCs

resource	yara_rule
behavioral1/files/fstream-1.dat	family_xloader_apk
behavioral1/files/fstream-1.dat	family_xloader_apk2

XLoader, MoqHao
An Android banker and info stealer.
trojan infostealer banker xloader_apk
Xloader_apk family
xloader_apk

Checks if the Android device is rooted. 1 TTPs 3 IoCs

defense_evasion

System Information Discovery

T1426

ioc	Process
/system/bin/su	z.buwmo.rrqkz
/system/xbin/su	z.buwmo.rrqkz
/sbin/su	z.buwmo.rrqkz

Removes its main activity from the application launcher 1 TTPs 1 IoCs

stealth trojan evasion

Suppress Application Icon

T1628.001

pid	Process
4251	z.buwmo.rrqkz

Loads dropped Dex/Jar 1 TTPs 2 IoCs

Runs executable file dropped to the device during analysis.

evasion

Download New Code at Runtime

T1407

ioc	pid	Process
/data/user/0/z.buwmo.rrqkz/files/d	4251	z.buwmo.rrqkz
/data/user/0/z.buwmo.rrqkz/files/d	4251	z.buwmo.rrqkz

Queries a list of all the installed applications on the device (Might be used in an attempt to overlay legitimate apps) 1 TTPs
banker discovery

Security Software Discovery
T1418.001
Queries the phone number (MSISDN for GSM devices) 1 TTPs
discovery

System Network Configuration Discovery
T1422

Reads the content of the MMS message. 1 TTPs 1 IoCs

collection

SMS Messages

T1636.004

description	ioc	Process
URI accessed for read	content://mms/	z.buwmo.rrqkz

Acquires the wake lock 1 IoCs

description	ioc	Process
Framework service call	android.os.IPowerManager.acquireWakeLock	z.buwmo.rrqkz

Makes use of the framework's foreground persistence service 1 TTPs 1 IoCs

Application may abuse the framework's foreground service to continue running in the foreground.

defense_evasion persistence

Foreground Persistence

T1541

description	ioc	Process
Framework service call	android.app.IActivityManager.setServiceForeground	z.buwmo.rrqkz

Requests changing the default SMS application. 2 TTPs 1 IoCs

collection impact

SMS Messages

T1636.004

SMS Control

T1582

description	ioc	Process
Intent action	android.provider.Telephony.ACTION_CHANGE_DEFAULT	z.buwmo.rrqkz

Registers a broadcast receiver at runtime (usually for listening for system events) 1 TTPs 1 IoCs

persistence

Broadcast Receivers

T1624.001

description	ioc	Process
Framework service call	android.app.IActivityManager.registerReceiver	z.buwmo.rrqkz

z.buwmo.rrqkz
1⤵
- Checks if the Android device is rooted.
- Removes its main activity from the application launcher
- Loads dropped Dex/Jar
- Reads the content of the MMS message.
- Acquires the wake lock
- Makes use of the framework's foreground persistence service
- Requests changing the default SMS application.
- Registers a broadcast receiver at runtime (usually for listening for system events)
PID:4251

Network

MITRE ATT&CK Mobile v15

Initial Access

Execution

Persistence

Event Triggered Execution

1

T1624

Broadcast Receivers

1

T1624.001

Foreground Persistence

1

T1541

Privilege Escalation

Defense Evasion

Download New Code at Runtime

1

T1407

Foreground Persistence

1

T1541

Hide Artifacts

1

T1628

Suppress Application Icon

1

T1628.001

Credential Access

Discovery

Software Discovery

1

T1418

Security Software Discovery

1

T1418.001

System Information Discovery

1

T1426

System Network Configuration Discovery

1

T1422

Lateral Movement

Collection

Protected User Data

2

T1636

SMS Messages

2

T1636.004

Command and Control

Exfiltration

Impact

SMS Control

1

T1582

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Downloads

/data/data/z.buwmo.rrqkz/files/d

Filesize
454KB

MD5
d28e6b862a1aee68793e1b022f18306a

SHA1
9044c8b066fc6610bb53b2fe4fec1c8b3e5ae985

SHA256
05d35fa20111813c4e3063181b5b90d7f13a03856e6104f1dfc64c735055c76a

SHA512
64d6105fc4a17057c184804a6214a99e4f96326af423fa11cd7cc89ea0cd1c9e67e43e91ecbaf8ccea6b3175a05dc1d2a3dd1cbd0830d921dfbfb738ec874526

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Mobile v15

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Downloads