Malware Analysis Report

2025-01-19 08:06

Sample ID 240606-gla5aaaa6t
Target 9a1a23b96337d50c5b1564f4d3fed2a6_JaffaCakes118
SHA256 aa6c4ebe269c705de8472089fbd94bec0b6decc17e039903322a99020ff505ca
Tags
impact
score
6/10

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: behavioral3

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral4

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
6/10

SHA256

aa6c4ebe269c705de8472089fbd94bec0b6decc17e039903322a99020ff505ca

Threat Level: Shows suspicious behavior

The file 9a1a23b96337d50c5b1564f4d3fed2a6_JaffaCakes118 was found to be: Shows suspicious behavior.

Malicious Activity Summary

impact

Requests dangerous framework permissions

Uses Crypto APIs (Might try to encrypt user data)

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-06 05:53

Signatures

Requests dangerous framework permissions

Description Indicator Process Target
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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-06 05:53

Reported

2024-06-06 05:56

Platform

android-x86-arm-20240603-en

Max time kernel

7s

Max time network

131s

Command Line

com.yuzhen.hzjjc

Signatures

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.yuzhen.hzjjc

Network

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

Files

N/A

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-06 05:53

Reported

2024-06-06 05:56

Platform

android-x64-20240603-en

Max time kernel

7s

Max time network

149s

Command Line

com.yuzhen.hzjjc

Signatures

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.yuzhen.hzjjc

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 142.250.179.232:443 ssl.google-analytics.com tcp
GB 142.250.187.234:443 tcp
US 1.1.1.1:53 android.apis.google.com udp
GB 142.250.187.238:443 android.apis.google.com tcp
GB 172.217.169.14:443 tcp
GB 142.250.187.226:443 tcp
GB 142.250.187.228:443 tcp
US 1.1.1.1:53 www.google.com udp
GB 216.58.212.228:443 www.google.com tcp
GB 142.250.200.14:443 tcp

Files

N/A

Analysis: behavioral3

Detonation Overview

Submitted

2024-06-06 05:53

Reported

2024-06-06 05:56

Platform

android-x86-arm-20240603-en

Max time kernel

7s

Max time network

131s

Command Line

com.yuzhen.dxhzj

Signatures

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.yuzhen.dxhzj

Network

Country Destination Domain Proto
N/A 224.0.0.251:5353 udp
US 1.1.1.1:53 yuzhen.x64.site udp
GB 142.250.178.14:443 tcp
US 1.1.1.1:53 android.apis.google.com udp
GB 142.250.187.206:443 android.apis.google.com tcp

Files

/storage/emulated/0/Android/data/.myfz/.cs.db

MD5 d3d9446802a44259755d38e6d163e820
SHA1 b1d5781111d84f7b3fe45a0852e59758cd7a87e5
SHA256 4a44dc15364204a80fe80e9039455cc1608281820fe2b24f1e5233ade6af1dd5
SHA512 3c11e4f316c956a27655902dc1a19b925b8887d59eff791eea63edc8a05454ec594d5eb0f40ae151df87acd6e101761ecc5bb0d3b829bf3a85f5432493b22f37

Analysis: behavioral4

Detonation Overview

Submitted

2024-06-06 05:53

Reported

2024-06-06 05:56

Platform

android-x64-20240603-en

Max time kernel

8s

Max time network

152s

Command Line

com.yuzhen.dxhzj

Signatures

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.yuzhen.dxhzj

Network

Country Destination Domain Proto
N/A 224.0.0.251:5353 udp
GB 216.58.201.106:443 tcp
US 1.1.1.1:53 android.apis.google.com udp
GB 216.58.204.78:443 android.apis.google.com tcp
US 1.1.1.1:53 ssl.google-analytics.com udp
US 1.1.1.1:53 yuzhen.x64.site udp
GB 172.217.169.8:443 ssl.google-analytics.com tcp
GB 142.250.179.238:443 tcp
GB 142.250.187.226:443 tcp
GB 142.250.200.36:443 tcp
GB 142.250.200.36:443 tcp
GB 216.58.212.206:443 tcp

Files

/storage/emulated/0/Android/data/.myfz/.cs.db

MD5 d3d9446802a44259755d38e6d163e820
SHA1 b1d5781111d84f7b3fe45a0852e59758cd7a87e5
SHA256 4a44dc15364204a80fe80e9039455cc1608281820fe2b24f1e5233ade6af1dd5
SHA512 3c11e4f316c956a27655902dc1a19b925b8887d59eff791eea63edc8a05454ec594d5eb0f40ae151df87acd6e101761ecc5bb0d3b829bf3a85f5432493b22f37