Malware Analysis Report

2024-09-09 17:37

Sample ID 240614-d9t1hsxgnm
Target a7e4864b2d6454d122ecd46880c3bb57_JaffaCakes118
SHA256 c41f22101153c9d23bc2443850fce9229352517b913e43ca41d0c9badc018017
Tags
discovery impact
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

c41f22101153c9d23bc2443850fce9229352517b913e43ca41d0c9badc018017

Threat Level: Shows suspicious behavior

The file a7e4864b2d6454d122ecd46880c3bb57_JaffaCakes118 was found to be: Shows suspicious behavior.

Malicious Activity Summary

discovery impact

Requests dangerous framework permissions

Domain associated with commercial stalkerware software, includes indicators from echap.eu.org

Queries information about active data network

Uses Crypto APIs (Might try to encrypt user data)

MITRE ATT&CK Matrix

N/A

Analysis: static1

Detonation Overview

Reported

2024-06-14 03:42

Signatures

Requests dangerous framework permissions

Description Indicator Process Target
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 read from external storage. android.permission.READ_EXTERNAL_STORAGE N/A N/A
Required to be able to access the camera device. android.permission.CAMERA 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 app to access precise location. android.permission.ACCESS_FINE_LOCATION N/A N/A
Allows an app to access approximate location. android.permission.ACCESS_COARSE_LOCATION N/A N/A
Allows an application to read or write the system settings. android.permission.WRITE_SETTINGS 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 record audio. android.permission.RECORD_AUDIO N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-14 03:42

Reported

2024-06-14 03:46

Platform

android-x86-arm-20240611.1-en

Max time kernel

35s

Max time network

131s

Command Line

com.xgbuy.xg

Signatures

Domain associated with commercial stalkerware software, includes indicators from echap.eu.org

Description Indicator Process Target
N/A f.appjiagu.com N/A N/A

Queries information about active data network

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.xgbuy.xg

chmod 755 /data/user/0/com.xgbuy.xg/.jiagu/libjiagu.so

chmod 755 /data/user/0/com.xgbuy.xg/.jiagu/libjiagu.so

/system/bin/dex2oat --instruction-set=x86 --dex-file=/data/data/com.xgbuy.xg/.jiagu/classes.dex --dex-file=/data/data/com.xgbuy.xg/.jiagu/classes.dex!classes2.dex --dex-file=/data/data/com.xgbuy.xg/.jiagu/classes.dex!classes3.dex --oat-file=/data/data/com.xgbuy.xg/.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
US 1.1.1.1:53 f.appjiagu.com udp
CN 180.163.249.208:80 f.appjiagu.com tcp
CN 106.63.25.33:80 f.appjiagu.com tcp
CN 180.163.249.208:80 f.appjiagu.com tcp
GB 142.250.187.206:443 tcp
US 1.1.1.1:53 android.apis.google.com udp
GB 142.250.179.238:443 android.apis.google.com tcp
CN 106.63.25.33:80 f.appjiagu.com tcp
CN 180.163.249.208:80 f.appjiagu.com tcp
CN 106.63.25.33:80 f.appjiagu.com tcp

Files

/data/data/com.xgbuy.xg/.jiagu/libjiagu.so

MD5 6c9d83b90aa9c9f904d22eb9b16f8f95
SHA1 4d5e0ce3c55a22475b58a982d67ab9aa84384c40
SHA256 2432ac0b864b33cd599129578c42c43811461dbcb83e2a21301ccb8d0810c5e7
SHA512 07d16f67cefc986c0d6974e3bbc38d95b5b184520ec8f3c9ae59a2f0e76213d359b35dc507d482322d2c045ee75183def8e3d7659ff5fa78f6afff931084e90b

/data/data/com.xgbuy.xg/.jiagu/classes.dex

MD5 508ee761fd68e260b52c8eaa5f5168bb
SHA1 70bdc5bbb038ba48cd6e9146a5a05b718660ca4d
SHA256 2f3050694b4190e0847233c0b0b195f59f1f199fd4a1e92abae5c655ebd88530
SHA512 f1cd70905aecb5a9e1832bee50cd0af27e1ab2815552a1c48fda18fbc48c253533453319ece46afd2db4a07bc08fe95e109bcbaeae54249193cc7c01c3be9147

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-14 03:42

Reported

2024-06-14 03:43

Platform

android-33-x64-arm64-20240611.1-en

Max time network

7s

Command Line

N/A

Signatures

N/A

Processes

N/A

Network

Country Destination Domain Proto
BE 142.251.168.188:5228 tcp
GB 142.250.179.228:443 tcp
GB 216.58.204.74:443 tcp
N/A 224.0.0.251:5353 udp
GB 172.217.169.68:443 udp
GB 172.217.169.68:443 tcp
GB 216.58.204.74:443 udp
GB 142.250.180.10:443 udp
GB 142.250.180.10:443 tcp

Files

N/A