Malware Analysis Report

2024-10-19 11:52

Sample ID 240415-x9sl8sge5z
Target f1c1ef7355d3ad37a8fdebc2716cbe4e_JaffaCakes118
SHA256 9f34a0f5d16f203eef15bdb01a953c22016ad7f252bce4d781fc4028035bce07
Tags
xloader_apk banker collection discovery evasion infostealer persistence stealth trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Mobile Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

9f34a0f5d16f203eef15bdb01a953c22016ad7f252bce4d781fc4028035bce07

Threat Level: Known bad

The file f1c1ef7355d3ad37a8fdebc2716cbe4e_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

xloader_apk banker collection discovery evasion infostealer persistence stealth trojan

XLoader payload

XLoader, MoqHao

Removes its main activity from the application launcher

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

Loads dropped Dex/Jar

Makes use of the framework's foreground persistence service

Queries account information for other applications stored on the device.

Reads the content of the MMS message.

Requests dangerous framework permissions

Acquires the wake lock

Uses Crypto APIs (Might try to encrypt user data)

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-04-15 19:33

Signatures

Requests dangerous framework permissions

Description Indicator Process Target
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 write to external storage. android.permission.WRITE_EXTERNAL_STORAGE N/A N/A
Allows an application to read from external storage. android.permission.READ_EXTERNAL_STORAGE N/A N/A
Allows an application to receive SMS messages. android.permission.RECEIVE_SMS N/A N/A
Allows an application to read SMS messages. android.permission.READ_SMS N/A N/A
Allows an application to send SMS messages. android.permission.SEND_SMS N/A N/A
Allows an app to create windows using the type LayoutParams.TYPE_APPLICATION_OVERLAY, shown on top of all other apps. android.permission.SYSTEM_ALERT_WINDOW N/A N/A
Allows an application to read the user's contacts data. android.permission.READ_CONTACTS 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

Analysis: behavioral1

Detonation Overview

Submitted

2024-04-15 19:33

Reported

2024-04-15 19:36

Platform

android-x86-arm-20240221-en

Max time kernel

150s

Max time network

137s

Command Line

i.uoa.rbr

Signatures

XLoader payload

Description Indicator Process Target
N/A N/A N/A N/A
N/A N/A N/A N/A

XLoader, MoqHao

trojan infostealer banker xloader_apk

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

banker discovery

Removes its main activity from the application launcher

stealth trojan evasion
Description Indicator Process Target
N/A N/A N/A N/A

Loads dropped Dex/Jar

evasion
Description Indicator Process Target
N/A /data/user/0/i.uoa.rbr/files/d N/A N/A
N/A /data/user/0/i.uoa.rbr/files/d N/A N/A

Makes use of the framework's foreground persistence service

evasion persistence
Description Indicator Process Target
Framework service call android.app.IActivityManager.setServiceForeground N/A N/A

Queries account information for other applications stored on the device.

collection
Description Indicator Process Target
Framework service call android.accounts.IAccountManager.getAccounts N/A N/A

Reads the content of the MMS message.

collection
Description Indicator Process Target
URI accessed for read content://mms/ N/A N/A

Acquires the wake lock

Description Indicator Process Target
Framework service call android.os.IPowerManager.acquireWakeLock N/A N/A

Uses Crypto APIs (Might try to encrypt user data)

Description Indicator Process Target
Framework API call javax.crypto.Cipher.doFinal N/A N/A

Processes

i.uoa.rbr

Network

Country Destination Domain Proto
N/A 224.0.0.251:5353 udp
US 1.1.1.1:53 docs.google.com udp
GB 142.250.178.14:443 docs.google.com tcp
GB 142.250.178.14:443 docs.google.com tcp
KR 91.204.227.39:28844 tcp
KR 91.204.227.39:28844 tcp
KR 91.204.227.39:28844 tcp
KR 91.204.227.39:28844 tcp
KR 91.204.227.39:28844 tcp
KR 91.204.227.39:28844 tcp
GB 142.250.200.14:443 tcp
US 1.1.1.1:53 android.apis.google.com udp
GB 172.217.16.238:443 android.apis.google.com tcp
KR 91.204.227.39:28844 tcp
KR 91.204.227.39:28844 tcp
KR 91.204.227.39:28844 tcp
KR 91.204.227.39:28844 tcp
KR 91.204.227.39:28844 tcp
KR 91.204.227.39:28844 tcp
KR 91.204.227.39:28844 tcp
KR 91.204.227.39:28844 tcp
KR 91.204.227.39:28844 tcp
KR 91.204.227.39:28844 tcp
KR 91.204.227.39:28844 tcp
KR 91.204.227.39:28844 tcp
KR 91.204.227.39:28844 tcp
KR 91.204.227.39:28844 tcp
KR 91.204.227.39:28844 tcp
KR 91.204.227.39:28844 tcp
KR 91.204.227.39:28844 tcp
KR 91.204.227.39:28844 tcp
KR 91.204.227.39:28844 tcp
KR 91.204.227.39:28844 tcp
KR 91.204.227.39:28844 tcp
KR 91.204.227.39:28844 tcp
KR 91.204.227.39:28844 tcp

Files

/data/data/i.uoa.rbr/files/d

MD5 d28e6b862a1aee68793e1b022f18306a
SHA1 9044c8b066fc6610bb53b2fe4fec1c8b3e5ae985
SHA256 05d35fa20111813c4e3063181b5b90d7f13a03856e6104f1dfc64c735055c76a
SHA512 64d6105fc4a17057c184804a6214a99e4f96326af423fa11cd7cc89ea0cd1c9e67e43e91ecbaf8ccea6b3175a05dc1d2a3dd1cbd0830d921dfbfb738ec874526

/storage/emulated/0/.msg_device_id.txt

MD5 a504ea4af391110f8ff2cdb7d90e9b38
SHA1 180d919899fc9a735071819bfead9fb947f4e32d
SHA256 354112a2a212bdebb51fded476eacbc52383edef9fbeab37c29f64c1e7b15b5c
SHA512 f685429827312c67932272b377a571da651e8dcb5bc2eb449960862dad5f3cea7c2dc47686024cf3ef138c4949d4b9bca5d711a4138a18935350c0d9b5ae571b

/data/data/i.uoa.rbr/files/oat/d.cur.prof

MD5 b75eb7a5ad2cdd018cd9702c28df8d8f
SHA1 803dab27a7cd5af275a9887c805f9cebd858ea7a
SHA256 e8eb487a42e7390e3c73a51aaf2a77aee2b28f8a8c907c55d1c9792417100d5c
SHA512 f7447589340f63b2323d452f99b1af5ec01e91c6de7da25af4ad3eedbce7be95aac028159573cfefede456c873fc7cfa8108896173b16f766661dc11281994b8