Malware Analysis Report

2024-09-09 19:07

Sample ID 240517-2c9xgaec7s
Target 51cc6911945573a8c16497de1becbe37_JaffaCakes118
SHA256 d0a073da9f6d2b87257a4117e9e741a12e0c52d32f04630e6af7991dd26af32f
Tags
collection discovery evasion impact privilege_escalation
score
7/10

Table of Contents

Analysis Overview

MITRE ATT&CK Matrix

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral3

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
7/10

SHA256

d0a073da9f6d2b87257a4117e9e741a12e0c52d32f04630e6af7991dd26af32f

Threat Level: Shows suspicious behavior

The file 51cc6911945573a8c16497de1becbe37_JaffaCakes118 was found to be: Shows suspicious behavior.

Malicious Activity Summary

collection discovery evasion impact privilege_escalation

Tries to add a device administrator.

Loads dropped Dex/Jar

Queries information about running processes on the device

Reads the content of SMS inbox messages.

Acquires the wake lock

Declares broadcast receivers with permission to handle system events

Requests dangerous framework permissions

MITRE ATT&CK Matrix

N/A

Analysis: static1

Detonation Overview

Reported

2024-05-17 22:27

Signatures

Declares broadcast receivers with permission to handle system events

Description Indicator Process Target
Required by device admin receivers to bind with the system. Allows apps to manage device administration features. android.permission.BIND_DEVICE_ADMIN N/A N/A

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 an application to read the user's contacts data. android.permission.READ_CONTACTS N/A N/A
Required to be able to access the camera device. android.permission.CAMERA N/A N/A
Allows an application to write the user's contacts data. android.permission.WRITE_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
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 access to the list of accounts in the Accounts Service. android.permission.GET_ACCOUNTS N/A N/A
Allows an application to send SMS messages. android.permission.SEND_SMS 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 or write the system settings. android.permission.WRITE_SETTINGS 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 receive SMS messages. android.permission.RECEIVE_SMS 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 write to external storage. android.permission.WRITE_EXTERNAL_STORAGE N/A N/A
Allows an application to read the user's contacts data. android.permission.READ_CONTACTS N/A N/A
Allows an application to write to external storage. android.permission.WRITE_EXTERNAL_STORAGE 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 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 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
Required to be able to access the camera device. android.permission.CAMERA 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 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 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 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 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 from external storage. android.permission.READ_EXTERNAL_STORAGE 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 record audio. android.permission.RECORD_AUDIO N/A N/A
Allows an app to access precise location. android.permission.ACCESS_FINE_LOCATION 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 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 SMS messages. android.permission.READ_SMS N/A N/A
Allows an application to receive SMS messages. android.permission.RECEIVE_SMS 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 the user's contacts data. android.permission.READ_CONTACTS N/A N/A
Allows an application to read SMS messages. android.permission.READ_SMS 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 write the user's contacts data. android.permission.WRITE_CONTACTS N/A N/A
Allows an application to receive SMS messages. android.permission.RECEIVE_SMS N/A N/A
Allows an application to read the user's contacts data. android.permission.READ_CONTACTS N/A N/A

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-17 22:27

Reported

2024-05-17 22:30

Platform

android-x64-20240514-en

Max time network

144s

Command Line

N/A

Signatures

N/A

Processes

N/A

Network

Country Destination Domain Proto
N/A 224.0.0.251:5353 udp
GB 216.58.213.14:443 tcp
US 1.1.1.1:53 android.apis.google.com udp
GB 142.250.187.206:443 android.apis.google.com tcp
US 1.1.1.1:53 ssl.google-analytics.com udp
GB 142.250.180.4:443 tcp
GB 142.250.180.4:443 tcp
GB 142.250.200.8:443 ssl.google-analytics.com tcp
GB 216.58.212.194:443 tcp

Files

N/A

Analysis: behavioral3

Detonation Overview

Submitted

2024-05-17 22:27

Reported

2024-05-17 22:30

Platform

android-x64-arm64-20240514-en

Max time kernel

179s

Max time network

132s

Command Line

com.htfmec.feimjvbvr

Signatures

Loads dropped Dex/Jar

evasion
Description Indicator Process Target
N/A /data/user/0/com.htfmec.feimjvbvr/app_fglwlfoeui/vrgcl.jar 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

Reads the content of SMS inbox messages.

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

Tries to add a device administrator.

privilege_escalation impact
Description Indicator Process Target
Intent action android.app.action.ADD_DEVICE_ADMIN N/A N/A

Acquires the wake lock

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

Processes

com.htfmec.feimjvbvr

Network

Country Destination Domain Proto
N/A 224.0.0.251:5353 udp
GB 216.58.201.106:443 tcp
GB 216.58.201.106:443 tcp
US 1.1.1.1:53 ssl.google-analytics.com udp
GB 142.250.200.8:443 ssl.google-analytics.com tcp
US 1.1.1.1:53 med-elektrik.com udp
GB 142.250.178.14:443 tcp
US 1.1.1.1:53 android.apis.google.com udp
GB 142.250.187.238:443 android.apis.google.com tcp
GB 142.250.178.4:443 tcp
GB 142.250.178.4:443 tcp

Files

/data/user/0/com.htfmec.feimjvbvr/app_fglwlfoeui/vrgcl.jar

MD5 6358192a8f7419b8c762c895947db9f2
SHA1 851858b0a9e0ee9d48b6136fd5df73efcb2c8408
SHA256 77d0a87feea78109a51a25ff6baf5fe6a64b8e4364f5eefb35361465057dc7a8
SHA512 b06ccbafd287a52c0dbb8cd5577e407e2002ba65430d1164139771fdee122076ed4272e5e4d0bbd7e064df994413bfa71bc2f05b30613c6277c1ee6df00cf76b

/data/user/0/com.htfmec.feimjvbvr/app_fglwlfoeui/vrgcl.jar

MD5 e46b041e128dfbcf88224eb924a97680
SHA1 4a06d1121a18bac5c8ad2d58bbc84f1715be356b
SHA256 4acd98b210ae8e393e884d0e428b2bc7754d3268e13f7271bca0ab24287fdd10
SHA512 e086db88bf1e081fb24e78ebdfa00861bc27de8af9d4e4f0983560dba8ee2fff63ccd4065b3f34d6db56ab38e4737724712ddea5a3da50a15c06fb6cf4e433d3

Analysis: behavioral1

Detonation Overview

Submitted

2024-05-17 22:27

Reported

2024-05-17 22:30

Platform

android-x86-arm-20240514-en

Max time kernel

179s

Max time network

131s

Command Line

com.htfmec.feimjvbvr

Signatures

Loads dropped Dex/Jar

evasion
Description Indicator Process Target
N/A /data/user/0/com.htfmec.feimjvbvr/app_fglwlfoeui/vrgcl.jar N/A N/A
N/A /data/user/0/com.htfmec.feimjvbvr/app_fglwlfoeui/vrgcl.jar 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

Reads the content of SMS inbox messages.

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

Tries to add a device administrator.

privilege_escalation impact
Description Indicator Process Target
Intent action android.app.action.ADD_DEVICE_ADMIN N/A N/A

Acquires the wake lock

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

Processes

com.htfmec.feimjvbvr

/system/bin/dex2oat --instruction-set=x86 --instruction-set-features=ssse3,-sse4.1,-sse4.2,-avx,-avx2,-popcnt --runtime-arg -Xhidden-api-checks --runtime-arg -Xrelocate --boot-image=/system/framework/boot.art --runtime-arg -Xms64m --runtime-arg -Xmx512m --instruction-set-variant=x86 --instruction-set-features=default --inline-max-code-units=0 --compact-dex-level=none --dex-file=/data/user/0/com.htfmec.feimjvbvr/app_fglwlfoeui/vrgcl.jar --output-vdex-fd=41 --oat-fd=42 --oat-location=/data/user/0/com.htfmec.feimjvbvr/app_fglwlfoeui/oat/x86/vrgcl.odex --compiler-filter=quicken --class-loader-context=&

Network

Country Destination Domain Proto
N/A 224.0.0.251:5353 udp
GB 172.217.169.14:443 tcp
US 1.1.1.1:53 www.google.com udp
GB 142.250.180.4:443 www.google.com tcp
US 1.1.1.1:53 med-elektrik.com udp
GB 142.250.178.3:443 tcp
GB 142.250.200.46:443 tcp
US 1.1.1.1:53 android.apis.google.com udp
GB 142.250.187.238:443 android.apis.google.com tcp

Files

/data/data/com.htfmec.feimjvbvr/app_fglwlfoeui/vrgcl.jar

MD5 6358192a8f7419b8c762c895947db9f2
SHA1 851858b0a9e0ee9d48b6136fd5df73efcb2c8408
SHA256 77d0a87feea78109a51a25ff6baf5fe6a64b8e4364f5eefb35361465057dc7a8
SHA512 b06ccbafd287a52c0dbb8cd5577e407e2002ba65430d1164139771fdee122076ed4272e5e4d0bbd7e064df994413bfa71bc2f05b30613c6277c1ee6df00cf76b

/data/user/0/com.htfmec.feimjvbvr/app_fglwlfoeui/vrgcl.jar

MD5 e46b041e128dfbcf88224eb924a97680
SHA1 4a06d1121a18bac5c8ad2d58bbc84f1715be356b
SHA256 4acd98b210ae8e393e884d0e428b2bc7754d3268e13f7271bca0ab24287fdd10
SHA512 e086db88bf1e081fb24e78ebdfa00861bc27de8af9d4e4f0983560dba8ee2fff63ccd4065b3f34d6db56ab38e4737724712ddea5a3da50a15c06fb6cf4e433d3

/data/user/0/com.htfmec.feimjvbvr/app_fglwlfoeui/vrgcl.jar

MD5 5bde45185ce64c5ae31520156572c214
SHA1 f23db9504bda1aea007c40cba6b9654ace4b1164
SHA256 347cf56bf5c23d728136f8ae0b0fddb5aea758ce133fb3f1271fa244e0bdac3c
SHA512 a3091ffa3681ba4f4978101cbf7b539004697f8d80befc85afd40879befda5c62daf474f561cc11a77ec6f98dbfe488ba970208d5cdee6a179e23b7f8a5b3d1f