Malware Analysis Report

2025-01-02 08:02

Sample ID 240509-pg92tahb9s
Target 29f05c26a87f6b7e65fba666d7b227bd_JaffaCakes118
SHA256 4cca032da46ae57d6d63fd694bd016ae45ee7dff81c4df1d8b802301849bd033
Tags
privateloader discovery evasion impact persistence collection credential_access
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: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

4cca032da46ae57d6d63fd694bd016ae45ee7dff81c4df1d8b802301849bd033

Threat Level: Known bad

The file 29f05c26a87f6b7e65fba666d7b227bd_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

privateloader discovery evasion impact persistence collection credential_access

Privateloader family

Checks memory information

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

Loads dropped Dex/Jar

Obtains sensitive information copied to the device clipboard

Queries information about running processes on the device

Checks CPU information

Queries the mobile country code (MCC)

Queries the unique device ID (IMEI, MEID, IMSI)

Requests dangerous framework permissions

Checks if the internet connection is available

Uses Crypto APIs (Might try to encrypt user data)

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-05-09 12:19

Signatures

Privateloader family

privateloader

Requests dangerous framework permissions

Description Indicator Process Target
Required to be able to access the camera device. android.permission.CAMERA 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 write to external storage. android.permission.WRITE_EXTERNAL_STORAGE N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-05-09 12:19

Reported

2024-05-09 12:22

Platform

android-x86-arm-20240506-en

Max time kernel

12s

Max time network

129s

Command Line

com.bchao.soujisaom.siagipewiiwetejq

Signatures

Checks CPU information

evasion discovery
Description Indicator Process Target
File opened for read /proc/cpuinfo N/A N/A

Checks memory information

evasion discovery
Description Indicator Process Target
File opened for read /proc/meminfo N/A N/A

Queries the mobile country code (MCC)

discovery
Description Indicator Process Target
Framework service call com.android.internal.telephony.ITelephony.getNetworkCountryIsoForPhone N/A N/A

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

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

Checks if the internet connection is available

discovery
Description Indicator Process Target
Framework service call android.net.IConnectivityManager.getActiveNetworkInfo N/A N/A

Uses Crypto APIs (Might try to encrypt user data)

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

Processes

com.bchao.soujisaom.siagipewiiwetejq

Network

Country Destination Domain Proto
N/A 224.0.0.251:5353 udp
US 1.1.1.1:53 semanticlocation-pa.googleapis.com udp
US 1.1.1.1:53 stats.unity3d.com udp
US 1.1.1.1:53 impact.applifier.com udp
US 1.1.1.1:53 googleads.g.doubleclick.net udp
GB 172.217.169.66:443 googleads.g.doubleclick.net tcp
US 130.211.33.175:443 impact.applifier.com tcp
GB 142.250.179.238:443 tcp
US 1.1.1.1:53 android.apis.google.com udp
GB 172.217.16.238:443 android.apis.google.com tcp
GB 216.58.212.234:443 semanticlocation-pa.googleapis.com tcp

Files

/data/data/com.bchao.soujisaom.siagipewiiwetejq/cache/1582435991586.jar

MD5 e8e0527a01aefdb89afd2c508f131da1
SHA1 f1103e6b260c657ceb3d95f1b023af3fda8b133a
SHA256 f809447486f89fcaa74f87e06d126d103d37eb2b3157e88f2c06d989b2c284ce
SHA512 fb53683a83f1068d0f94567b156e6a8910c45b1b5f33db919f7e0b9c55eab28507a235ef76d44d5b549599ea3b54dbc00496a633339d276a80f395da938d6d34

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-09 12:19

Reported

2024-05-09 12:22

Platform

android-x64-20240506-en

Max time kernel

13s

Max time network

151s

Command Line

com.bchao.soujisaom.siagipewiiwetejq

Signatures

Checks CPU information

evasion discovery
Description Indicator Process Target
File opened for read /proc/cpuinfo N/A N/A

Checks memory information

evasion discovery
Description Indicator Process Target
File opened for read /proc/meminfo N/A N/A

Loads dropped Dex/Jar

evasion
Description Indicator Process Target
N/A /data/user/0/com.bchao.soujisaom.siagipewiiwetejq/cache/1582435991586.jar N/A N/A

Obtains sensitive information copied to the device clipboard

collection credential_access impact
Description Indicator Process Target
Framework service call android.content.IClipboard.addPrimaryClipChangedListener N/A N/A

Queries information about running processes on the device

discovery
Description Indicator Process Target
Framework service call android.app.IActivityManager.getRunningAppProcesses N/A N/A

Queries the mobile country code (MCC)

discovery
Description Indicator Process Target
Framework service call com.android.internal.telephony.ITelephony.getNetworkCountryIsoForPhone N/A N/A

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

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

Checks if the internet connection is available

discovery
Description Indicator Process Target
Framework service call android.net.IConnectivityManager.getActiveNetworkInfo N/A N/A

Queries the unique device ID (IMEI, MEID, IMSI)

discovery

Uses Crypto APIs (Might try to encrypt user data)

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

Processes

com.bchao.soujisaom.siagipewiiwetejq

Network

Country Destination Domain Proto
N/A 224.0.0.251:5353 udp
US 1.1.1.1:53 ssl.google-analytics.com udp
GB 142.250.178.8:443 ssl.google-analytics.com tcp
GB 142.250.187.234:443 tcp
US 1.1.1.1:53 stats.unity3d.com udp
US 1.1.1.1:53 impact.applifier.com udp
US 1.1.1.1:53 googleads.g.doubleclick.net udp
GB 142.250.187.194:443 googleads.g.doubleclick.net tcp
US 130.211.33.175:443 impact.applifier.com tcp
GB 142.250.187.194:443 googleads.g.doubleclick.net tcp
US 1.1.1.1:53 android.apis.google.com udp
GB 216.58.201.110:443 android.apis.google.com tcp
GB 142.250.187.194:443 googleads.g.doubleclick.net tcp
GB 142.250.187.194:443 googleads.g.doubleclick.net tcp
US 1.1.1.1:53 semanticlocation-pa.googleapis.com udp
GB 216.58.204.74:443 semanticlocation-pa.googleapis.com tcp
GB 216.58.204.78:443 tcp
GB 216.58.201.98:443 tcp
GB 142.250.200.42:443 semanticlocation-pa.googleapis.com tcp
GB 142.250.187.196:443 tcp
GB 142.250.187.196:443 tcp
GB 172.217.169.78:443 tcp

Files

/data/data/com.bchao.soujisaom.siagipewiiwetejq/cache/1582435991586.jar

MD5 e8e0527a01aefdb89afd2c508f131da1
SHA1 f1103e6b260c657ceb3d95f1b023af3fda8b133a
SHA256 f809447486f89fcaa74f87e06d126d103d37eb2b3157e88f2c06d989b2c284ce
SHA512 fb53683a83f1068d0f94567b156e6a8910c45b1b5f33db919f7e0b9c55eab28507a235ef76d44d5b549599ea3b54dbc00496a633339d276a80f395da938d6d34

/data/user/0/com.bchao.soujisaom.siagipewiiwetejq/cache/1582435991586.jar

MD5 fde2ee00cbd121cfab5290b078aa3ceb
SHA1 e2b77d5320e155e413d040a8c20020962065b2f8
SHA256 2897b0812077c654a9b3fbb0b6303d5cde681eeba7ad9981de65716c7810d685
SHA512 a9326aff8e454a2b4ac09984ef2a65fddd4dc146b4c44d839035549bff8c9fdaae490326d0b018f76c1ca2e4fb25426d74f550ca0950982fba632a023af99a56