Malware Analysis Report

2024-11-13 18:33

Sample ID 231014-a2g47shh22
Target 10f8c47ca11f6f225c60ccf117786bfe4c44f87a614e82f23343636e32fb195c_JC.jar
SHA256 10f8c47ca11f6f225c60ccf117786bfe4c44f87a614e82f23343636e32fb195c
Tags
strrat
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

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
10/10

SHA256

10f8c47ca11f6f225c60ccf117786bfe4c44f87a614e82f23343636e32fb195c

Threat Level: Known bad

The file 10f8c47ca11f6f225c60ccf117786bfe4c44f87a614e82f23343636e32fb195c_JC.jar was found to be: Known bad.

Malicious Activity Summary

strrat

Strrat family

Drops file in Program Files directory

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2023-10-14 00:42

Signatures

Strrat family

strrat

Analysis: behavioral1

Detonation Overview

Submitted

2023-10-14 00:42

Reported

2023-10-14 12:33

Platform

win7-20230831-en

Max time kernel

151s

Max time network

159s

Command Line

java -jar C:\Users\Admin\AppData\Local\Temp\10f8c47ca11f6f225c60ccf117786bfe4c44f87a614e82f23343636e32fb195c_JC.jar

Signatures

N/A

Processes

C:\Windows\system32\java.exe

java -jar C:\Users\Admin\AppData\Local\Temp\10f8c47ca11f6f225c60ccf117786bfe4c44f87a614e82f23343636e32fb195c_JC.jar

Network

Country Destination Domain Proto
US 8.8.8.8:53 repo1.maven.org udp
US 8.8.8.8:53 github.com udp
US 199.232.192.209:443 repo1.maven.org tcp
US 199.232.192.209:443 repo1.maven.org tcp
US 199.232.192.209:443 repo1.maven.org tcp
US 140.82.112.4:443 github.com tcp
US 140.82.112.4:443 github.com tcp
US 140.82.112.4:443 github.com tcp
US 140.82.112.4:443 github.com tcp
US 140.82.112.4:443 github.com tcp
US 140.82.112.4:443 github.com tcp
US 140.82.112.4:443 github.com tcp
US 140.82.112.4:443 github.com tcp
US 140.82.112.4:443 github.com tcp
US 140.82.112.4:443 github.com tcp
US 140.82.112.4:443 github.com tcp
US 140.82.112.4:443 github.com tcp
US 140.82.112.4:443 github.com tcp
US 140.82.112.4:443 github.com tcp
US 140.82.112.4:443 github.com tcp
US 140.82.112.4:443 github.com tcp
US 140.82.112.4:443 github.com tcp
US 140.82.112.4:443 github.com tcp
US 140.82.112.4:443 github.com tcp
US 140.82.112.4:443 github.com tcp
US 140.82.112.4:443 github.com tcp
US 140.82.112.4:443 github.com tcp
US 140.82.112.4:443 github.com tcp
US 140.82.112.4:443 github.com tcp
US 140.82.112.4:443 github.com tcp
US 140.82.112.4:443 github.com tcp
US 140.82.112.4:443 github.com tcp
US 140.82.112.4:443 github.com tcp
US 140.82.112.4:443 github.com tcp
US 140.82.112.4:443 github.com tcp
US 8.8.8.8:53 github.com udp
US 140.82.112.4:443 github.com tcp
US 140.82.112.4:443 github.com tcp
US 140.82.112.4:443 github.com tcp
US 140.82.112.4:443 github.com tcp
US 140.82.112.4:443 github.com tcp
US 140.82.112.4:443 github.com tcp
US 140.82.112.4:443 github.com tcp
US 140.82.112.4:443 github.com tcp
US 140.82.112.4:443 github.com tcp
US 140.82.112.4:443 github.com tcp
US 140.82.112.4:443 github.com tcp
US 140.82.112.4:443 github.com tcp
US 140.82.112.4:443 github.com tcp
US 140.82.112.4:443 github.com tcp
US 140.82.112.4:443 tcp
US 140.82.112.4:443 tcp

Files

memory/1980-3-0x00000000022C0000-0x00000000052C0000-memory.dmp

memory/1980-9-0x0000000000320000-0x0000000000321000-memory.dmp

memory/1980-11-0x0000000000320000-0x0000000000321000-memory.dmp

memory/1980-12-0x0000000000320000-0x0000000000321000-memory.dmp

memory/1980-41-0x0000000000320000-0x0000000000321000-memory.dmp

memory/1980-44-0x0000000000320000-0x0000000000321000-memory.dmp

memory/1980-54-0x0000000000320000-0x0000000000321000-memory.dmp

memory/1980-60-0x00000000022C0000-0x00000000052C0000-memory.dmp

memory/1980-61-0x0000000000320000-0x0000000000321000-memory.dmp

memory/1980-66-0x0000000000320000-0x0000000000321000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2023-10-14 00:42

Reported

2023-10-14 12:34

Platform

win10v2004-20230915-en

Max time kernel

150s

Max time network

163s

Command Line

java -jar C:\Users\Admin\AppData\Local\Temp\10f8c47ca11f6f225c60ccf117786bfe4c44f87a614e82f23343636e32fb195c_JC.jar

Signatures

Drops file in Program Files directory

Description Indicator Process Target
File opened for modification C:\Program Files\Java\jre1.8.0_66\bin\server\symbols\dll\ntdll.pdb C:\ProgramData\Oracle\Java\javapath\java.exe N/A
File opened for modification C:\Program Files\Java\jre1.8.0_66\bin\dll\ntdll.pdb C:\ProgramData\Oracle\Java\javapath\java.exe N/A
File opened for modification C:\Program Files\Java\jre1.8.0_66\bin\symbols\dll\ntdll.pdb C:\ProgramData\Oracle\Java\javapath\java.exe N/A
File opened for modification C:\Program Files\Java\jre1.8.0_66\bin\server\symbols\dll\jvm.pdb C:\ProgramData\Oracle\Java\javapath\java.exe N/A
File opened for modification C:\Program Files\Java\jre1.8.0_66\bin\server\ntdll.pdb C:\ProgramData\Oracle\Java\javapath\java.exe N/A
File opened for modification C:\Program Files\Java\jre1.8.0_66\bin\server\dll\ntdll.pdb C:\ProgramData\Oracle\Java\javapath\java.exe N/A
File opened for modification C:\Program Files\Java\jre1.8.0_66\bin\dll\jvm.pdb C:\ProgramData\Oracle\Java\javapath\java.exe N/A
File opened for modification C:\Program Files\Java\jre1.8.0_66\bin\symbols\dll\jvm.pdb C:\ProgramData\Oracle\Java\javapath\java.exe N/A
File opened for modification C:\Program Files\Java\jre1.8.0_66\bin\ntdll.pdb C:\ProgramData\Oracle\Java\javapath\java.exe N/A
File opened for modification C:\Program Files\Java\jre1.8.0_66\bin\server\jvm.pdb C:\ProgramData\Oracle\Java\javapath\java.exe N/A
File opened for modification C:\Program Files\Java\jre1.8.0_66\bin\server\dll\jvm.pdb C:\ProgramData\Oracle\Java\javapath\java.exe N/A
File opened for modification C:\Program Files\Java\jre1.8.0_66\bin\jvm.pdb C:\ProgramData\Oracle\Java\javapath\java.exe N/A

Processes

C:\ProgramData\Oracle\Java\javapath\java.exe

java -jar C:\Users\Admin\AppData\Local\Temp\10f8c47ca11f6f225c60ccf117786bfe4c44f87a614e82f23343636e32fb195c_JC.jar

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 138.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 59.128.231.4.in-addr.arpa udp
US 8.8.8.8:53 163.252.72.23.in-addr.arpa udp
US 8.8.8.8:53 241.154.82.20.in-addr.arpa udp
US 8.8.8.8:53 29.81.57.23.in-addr.arpa udp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
US 8.8.8.8:53 240.81.21.72.in-addr.arpa udp
US 8.8.8.8:53 158.240.127.40.in-addr.arpa udp
US 8.8.8.8:53 43.229.111.52.in-addr.arpa udp
US 8.8.8.8:53 8.3.197.209.in-addr.arpa udp
US 8.8.8.8:53 8.179.89.13.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 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 200.197.79.204.in-addr.arpa udp

Files

memory/4656-2-0x0000000002D10000-0x0000000003D10000-memory.dmp

memory/4656-11-0x00000000028B0000-0x00000000028B1000-memory.dmp

memory/4656-17-0x0000000002D10000-0x0000000003D10000-memory.dmp

memory/4656-22-0x00000000028B0000-0x00000000028B1000-memory.dmp

memory/4656-27-0x0000000002D10000-0x0000000003D10000-memory.dmp

memory/4656-28-0x0000000002F90000-0x0000000002FA0000-memory.dmp

memory/4656-29-0x0000000002FB0000-0x0000000002FC0000-memory.dmp

memory/4656-30-0x0000000002FC0000-0x0000000002FD0000-memory.dmp

memory/4656-31-0x0000000002D10000-0x0000000003D10000-memory.dmp