Malware Analysis Report

2024-09-09 17:15

Sample ID 240613-27fl4svclc
Target a70cec9b20602c9e52d9bf2d1d9cb1ad_JaffaCakes118
SHA256 d77cb5dc0f8c1720b779c99d729bb23473ef7b2ab14d977b530d57dfb8692e3a
Tags
discovery
score
6/10

Table of Contents

Analysis Overview

MITRE ATT&CK Matrix

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
6/10

SHA256

d77cb5dc0f8c1720b779c99d729bb23473ef7b2ab14d977b530d57dfb8692e3a

Threat Level: Shows suspicious behavior

The file a70cec9b20602c9e52d9bf2d1d9cb1ad_JaffaCakes118 was found to be: Shows suspicious behavior.

Malicious Activity Summary

discovery

Requests dangerous framework permissions

Queries information about active data network

MITRE ATT&CK Matrix

N/A

Analysis: static1

Detonation Overview

Reported

2024-06-13 23:13

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 read from external storage. android.permission.READ_EXTERNAL_STORAGE N/A N/A
Allows an application to write to external storage. android.permission.WRITE_EXTERNAL_STORAGE N/A N/A
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 access to the list of accounts in the Accounts Service. android.permission.GET_ACCOUNTS N/A N/A
Allows an application to read the user's contacts data. android.permission.READ_CONTACTS 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
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 read or write the system settings. android.permission.WRITE_SETTINGS N/A N/A
Allows an application to record audio. android.permission.RECORD_AUDIO N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-13 23:13

Reported

2024-06-13 23:16

Platform

android-x86-arm-20240611.1-en

Max time kernel

3s

Max time network

131s

Command Line

com.atour.atourlife

Signatures

Queries information about active data network

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

Processes

com.atour.atourlife

chmod 755 /data/user/0/com.atour.atourlife/.jiagu/libjiagu.so

/system/bin/dex2oat --instruction-set=x86 --dex-file=/data/data/com.atour.atourlife/.jiagu/classes.dex --dex-file=/data/data/com.atour.atourlife/.jiagu/classes.dex!classes2.dex --dex-file=/data/data/com.atour.atourlife/.jiagu/classes.dex!classes3.dex --oat-file=/data/data/com.atour.atourlife/.jiagu/oat/x86/classes.odex --inline-max-code-units=0 --compiler-filter=speed

Network

Country Destination Domain Proto
N/A 224.0.0.251:5353 udp
GB 216.58.204.78:443 tcp
US 1.1.1.1:53 android.apis.google.com udp
GB 142.250.187.206:443 android.apis.google.com tcp

Files

/data/data/com.atour.atourlife/.jiagu/libjiagu.so

MD5 f07c10fa1727a4d7395f07d20d77892d
SHA1 a7c2f367daea205bda6035a739bff81003554b4f
SHA256 b33b45d44e01f762b2678eb5fda5a804650b74cced4ea7362e3a19b37049e2b3
SHA512 83411cbcf78a99fed70dbebc46d626c85f61ba729ea0b3c93d2e109c63bbe6a739eae09d61af7fa0ff127502f3a13034d45a130f581e8ed3f66db892712736f1

/data/data/com.atour.atourlife/.jiagu/classes.dex

MD5 436c83812c13e23e55814e515e3a9408
SHA1 c2698d999b49ff75eb8b0a3c42e417326b34c1c9
SHA256 1fa69a2ba23fe4f74e89ff474d58a56e59083fd7e75461132b6be392b3ad3a29
SHA512 849d552771154032d9344d99311ed22dddb75826bb6a72d0a279885d5b0460bb7ed6d1463be765f0ac3ffcd176417030d98704ea0c76705b09acfcc71c1b7e7a

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-13 23:13

Reported

2024-06-13 23:16

Platform

android-33-x64-arm64-20240611.1-en

Max time kernel

7s

Max time network

178s

Command Line

com.atour.atourlife

Signatures

N/A

Processes

com.atour.atourlife

Network

Country Destination Domain Proto
GB 172.217.16.228:443 udp
GB 216.58.212.196:443 tcp
N/A 224.0.0.251:5353 udp
GB 172.217.16.228:443 udp
GB 172.217.16.228:443 udp
GB 172.217.16.228:443 tcp
US 162.159.61.3:443 tcp
US 162.159.61.3:443 tcp
GB 172.217.169.67:443 tcp
US 162.159.61.3:443 udp
GB 172.217.169.67:443 udp
GB 142.250.179.228:443 tcp

Files

/data/user/0/com.atour.atourlife/.jiagu/libjiagu.so

MD5 f07c10fa1727a4d7395f07d20d77892d
SHA1 a7c2f367daea205bda6035a739bff81003554b4f
SHA256 b33b45d44e01f762b2678eb5fda5a804650b74cced4ea7362e3a19b37049e2b3
SHA512 83411cbcf78a99fed70dbebc46d626c85f61ba729ea0b3c93d2e109c63bbe6a739eae09d61af7fa0ff127502f3a13034d45a130f581e8ed3f66db892712736f1