Malware Analysis Report

2025-08-06 00:00

Sample ID 240507-bcnfcsbc4z
Target TooGood4U.jar
SHA256 99a4bbb544d59c2f390a63117f0b08be0787d404d1bb74c7deeabef855557691
Tags
discovery
score
7/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral6

Detonation Overview

Command Line

Signatures

Processes

Network

Files

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: behavioral5

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
7/10

SHA256

99a4bbb544d59c2f390a63117f0b08be0787d404d1bb74c7deeabef855557691

Threat Level: Shows suspicious behavior

The file TooGood4U.jar was found to be: Shows suspicious behavior.

Malicious Activity Summary

discovery

Modifies file permissions

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-05-07 01:00

Signatures

N/A

Analysis: behavioral6

Detonation Overview

Submitted

2024-05-07 01:00

Reported

2024-05-07 01:04

Platform

debian9-mipsel-20240418-en

Command Line

N/A

Signatures

N/A

Processes

N/A

Network

N/A

Files

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-05-07 01:00

Reported

2024-05-07 01:05

Platform

win7-20240419-en

Max time kernel

50s

Max time network

18s

Command Line

java -jar C:\Users\Admin\AppData\Local\Temp\TooGood4U.jar

Signatures

N/A

Processes

C:\Windows\system32\java.exe

java -jar C:\Users\Admin\AppData\Local\Temp\TooGood4U.jar

Network

N/A

Files

memory/2444-2-0x00000000026E0000-0x0000000002950000-memory.dmp

memory/2444-11-0x0000000000150000-0x0000000000151000-memory.dmp

memory/2444-12-0x00000000026E0000-0x0000000002950000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-07 01:00

Reported

2024-05-07 01:06

Platform

win10v2004-20240419-en

Max time kernel

149s

Max time network

153s

Command Line

java -jar C:\Users\Admin\AppData\Local\Temp\TooGood4U.jar

Signatures

Modifies file permissions

discovery
Description Indicator Process Target
N/A N/A C:\Windows\system32\icacls.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3192 wrote to memory of 2804 N/A C:\Program Files (x86)\Common Files\Oracle\Java\javapath\java.exe C:\Windows\system32\icacls.exe
PID 3192 wrote to memory of 2804 N/A C:\Program Files (x86)\Common Files\Oracle\Java\javapath\java.exe C:\Windows\system32\icacls.exe

Processes

C:\Program Files (x86)\Common Files\Oracle\Java\javapath\java.exe

java -jar C:\Users\Admin\AppData\Local\Temp\TooGood4U.jar

C:\Windows\system32\icacls.exe

C:\Windows\system32\icacls.exe C:\ProgramData\Oracle\Java\.oracle_jre_usage /grant "everyone":(OI)(CI)M

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 79.190.18.2.in-addr.arpa udp
US 8.8.8.8:53 67.31.126.40.in-addr.arpa udp
NL 23.62.61.97:443 www.bing.com tcp
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp
US 8.8.8.8:53 97.61.62.23.in-addr.arpa udp
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 31.121.18.2.in-addr.arpa udp
US 8.8.8.8:53 77.190.18.2.in-addr.arpa udp
US 8.8.8.8:53 49.15.97.104.in-addr.arpa udp
US 8.8.8.8:53 58.99.105.20.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 21.236.111.52.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 8.179.89.13.in-addr.arpa udp

Files

memory/3192-2-0x0000017B9A380000-0x0000017B9A5F0000-memory.dmp

C:\ProgramData\Oracle\Java\.oracle_jre_usage\3903daac9bc4a3b7.timestamp

MD5 8d4ddb6d9fc5792abdbd8a4d6c7af5c9
SHA1 0e8c7779923a8c25c09436a0e4705304bbb16642
SHA256 99fac5af1410c1685bdf26a46ad05030f6988cc12fa49791817b375930e7bfbe
SHA512 ab2099350a57a1b4618aed48055745aa2fa22b11fedc1f1abd9d8dbb3b9486a7c0a87b78aa4f102bc562a117e204e08f72b4493a82f90c0f2ba126a7dba3f207

memory/3192-13-0x0000017B9A360000-0x0000017B9A361000-memory.dmp

memory/3192-14-0x0000017B9A380000-0x0000017B9A5F0000-memory.dmp

Analysis: behavioral3

Detonation Overview

Submitted

2024-05-07 01:00

Reported

2024-05-07 01:04

Platform

ubuntu1804-amd64-20240418-en

Max time kernel

0s

Command Line

[/tmp/TooGood4U.jar]

Signatures

N/A

Processes

/tmp/TooGood4U.jar

[/tmp/TooGood4U.jar]

Network

N/A

Files

N/A

Analysis: behavioral4

Detonation Overview

Submitted

2024-05-07 01:00

Reported

2024-05-07 01:04

Platform

debian9-armhf-20240226-en

Command Line

N/A

Signatures

N/A

Processes

N/A

Network

N/A

Files

N/A

Analysis: behavioral5

Detonation Overview

Submitted

2024-05-07 01:00

Reported

2024-05-07 01:04

Platform

debian9-mipsbe-20240226-en

Command Line

N/A

Signatures

N/A

Processes

N/A

Network

N/A

Files

N/A