Malware Analysis Report

2025-01-02 08:03

Sample ID 240510-f5a3ysgh58
Target 2d90f75e37b61101c5bcd9244461d3c3_JaffaCakes118
SHA256 82b0bbcc8c4f4b085cc924038b9272319e67f51be561db5bfbd5af4aa30acc45
Tags
privateloader
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: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

82b0bbcc8c4f4b085cc924038b9272319e67f51be561db5bfbd5af4aa30acc45

Threat Level: Known bad

The file 2d90f75e37b61101c5bcd9244461d3c3_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

privateloader

Privateloader family

Requests dangerous framework permissions

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-05-10 05:27

Signatures

Privateloader family

privateloader

Requests dangerous framework permissions

Description Indicator Process Target
Allows an app to access approximate location. android.permission.ACCESS_COARSE_LOCATION N/A N/A
Allows an app to access precise location. android.permission.ACCESS_FINE_LOCATION 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
Allows an application to record audio. android.permission.RECORD_AUDIO N/A N/A
Required to be able to access the camera device. android.permission.CAMERA N/A N/A
Allows an application to read or write the system settings. android.permission.WRITE_SETTINGS N/A N/A
Allows an application to read the user's contacts data. android.permission.READ_CONTACTS N/A N/A
Allows access to the list of accounts in the Accounts Service. android.permission.GET_ACCOUNTS 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 see the number being dialed during an outgoing call with the option to redirect the call to a different number or abort the call altogether. android.permission.PROCESS_OUTGOING_CALLS 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 from external storage. android.permission.READ_EXTERNAL_STORAGE N/A N/A
Allows an application to read from external storage. android.permission.READ_EXTERNAL_STORAGE N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-05-10 05:26

Reported

2024-05-10 05:29

Platform

android-x86-arm-20240506-en

Max time kernel

3s

Max time network

130s

Command Line

com.happyjob

Signatures

N/A

Processes

com.happyjob

chmod 755 /data/user/0/com.happyjob/.jiagu/libjiagu.so

Network

Country Destination Domain Proto
N/A 224.0.0.251:5353 udp
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

Files

/data/data/com.happyjob/.jiagu/libjiagu.so

MD5 0f988c9a7d52923d162bbfe4d2ea8171
SHA1 0084318df7665847bc5cabac2f4b7cd2bdc02a34
SHA256 c548db6ffa4e11cf80c934aeb77d40397e7aeed067a89799262467d552921bce
SHA512 926bbdc706705674e3cd19186990b5c30d1b7b7141c6dd7ace9876899f2bd92275793a5b76e7becc8c6de82766a3dd075ebab9fd8ccb11d3e077b49c613774b9

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-10 05:26

Reported

2024-05-10 05:29

Platform

android-x64-arm64-20240506-en

Max time kernel

2s

Max time network

136s

Command Line

com.happyjob

Signatures

N/A

Processes

com.happyjob

Network

Country Destination Domain Proto
GB 142.250.179.238:443 tcp
GB 142.250.179.238:443 tcp
GB 142.250.179.238:443 tcp
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 216.58.201.100:443 tcp
GB 216.58.201.100:443 tcp
GB 142.250.178.2:443 tcp
GB 142.250.180.6:443 tcp
GB 216.58.204.66:443 tcp

Files

/data/user/0/com.happyjob/.jiagu/libjiagu.so

MD5 0f988c9a7d52923d162bbfe4d2ea8171
SHA1 0084318df7665847bc5cabac2f4b7cd2bdc02a34
SHA256 c548db6ffa4e11cf80c934aeb77d40397e7aeed067a89799262467d552921bce
SHA512 926bbdc706705674e3cd19186990b5c30d1b7b7141c6dd7ace9876899f2bd92275793a5b76e7becc8c6de82766a3dd075ebab9fd8ccb11d3e077b49c613774b9