Malware Analysis Report

2024-11-13 18:33

Sample ID 231229-cdsxxacabj
Target 827c3d5ba4711d93931b11cbe27854c0.bin
SHA256 34f8e073235ed6822c7362606a72546b0313c401f4a2a46e28d7242d4c745dda
Tags
strrat discovery
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise 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 Overview

score
10/10

SHA256

34f8e073235ed6822c7362606a72546b0313c401f4a2a46e28d7242d4c745dda

Threat Level: Known bad

The file 827c3d5ba4711d93931b11cbe27854c0.bin was found to be: Known bad.

Malicious Activity Summary

strrat discovery

Strrat family

Modifies file permissions

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2023-12-29 01:58

Signatures

Strrat family

strrat

Analysis: behavioral1

Detonation Overview

Submitted

2023-12-29 01:58

Reported

2023-12-29 02:01

Platform

win7-20231215-en

Max time kernel

148s

Max time network

169s

Command Line

java -jar C:\Users\Admin\AppData\Local\Temp\827c3d5ba4711d93931b11cbe27854c0.jar

Signatures

N/A

Processes

C:\Windows\system32\java.exe

java -jar C:\Users\Admin\AppData\Local\Temp\827c3d5ba4711d93931b11cbe27854c0.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
DE 140.82.121.3:443 github.com tcp
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
DE 140.82.121.3:443 github.com tcp
DE 140.82.121.3:443 github.com tcp
DE 140.82.121.3:443 github.com tcp
DE 140.82.121.3:443 github.com tcp
DE 140.82.121.3:443 github.com tcp
DE 140.82.121.3:443 github.com tcp
DE 140.82.121.3:443 github.com tcp
DE 140.82.121.3:443 github.com tcp
DE 140.82.121.3:443 github.com tcp
DE 140.82.121.3:443 github.com tcp
DE 140.82.121.3:443 github.com tcp
DE 140.82.121.3:443 github.com tcp
DE 140.82.121.3:443 github.com tcp
DE 140.82.121.3:443 github.com tcp
DE 140.82.121.3:443 tcp
DE 140.82.121.3:443 tcp
DE 140.82.121.3:443 tcp
DE 140.82.121.3:443 tcp
DE 140.82.121.3:443 tcp
DE 140.82.121.3:443 tcp
DE 140.82.121.3:443 tcp
DE 140.82.121.3:443 tcp
DE 140.82.121.3:443 tcp
DE 140.82.121.3:443 tcp
DE 140.82.121.3:443 tcp
US 8.8.8.8:53 github.com udp
DE 140.82.121.3:443 github.com tcp
DE 140.82.121.3:443 github.com tcp
DE 140.82.121.3:443 github.com tcp
DE 140.82.121.3:443 github.com tcp
DE 140.82.121.3:443 github.com tcp
DE 140.82.121.3:443 github.com tcp
DE 140.82.121.3:443 github.com tcp
DE 140.82.121.3:443 github.com tcp
DE 140.82.121.3:443 github.com tcp
DE 140.82.121.3:443 github.com tcp
DE 140.82.121.3:443 github.com tcp
DE 140.82.121.3:443 github.com tcp
DE 140.82.121.3:443 github.com tcp
DE 140.82.121.3:443 github.com tcp
DE 140.82.121.3:443 github.com tcp
DE 140.82.121.3:443 github.com tcp
DE 140.82.121.3:443 github.com tcp
DE 140.82.121.3:443 github.com tcp
DE 140.82.121.3:443 github.com tcp
DE 140.82.121.3:443 github.com tcp
DE 140.82.121.3:443 github.com tcp
DE 140.82.121.3:443 github.com tcp
DE 140.82.121.3:443 github.com tcp
DE 140.82.121.3:443 github.com tcp
DE 140.82.121.3:443 github.com tcp
DE 140.82.121.3:443 github.com tcp
DE 140.82.121.3:443 github.com tcp
DE 140.82.121.3:443 github.com tcp
DE 140.82.121.3:443 github.com tcp
DE 140.82.121.3:443 github.com tcp
DE 140.82.121.3:443 github.com tcp
DE 140.82.121.3:443 github.com tcp
DE 140.82.121.3:443 github.com tcp
DE 140.82.121.3:443 github.com tcp
DE 140.82.121.3:443 github.com tcp
DE 140.82.121.3:443 github.com tcp

Files

memory/2104-3-0x0000000002240000-0x0000000005240000-memory.dmp

memory/2104-10-0x0000000000220000-0x0000000000221000-memory.dmp

memory/2104-17-0x0000000000220000-0x0000000000221000-memory.dmp

memory/2104-23-0x0000000000220000-0x0000000000221000-memory.dmp

memory/2104-24-0x0000000000220000-0x0000000000221000-memory.dmp

memory/2104-30-0x0000000000220000-0x0000000000221000-memory.dmp

memory/2104-31-0x0000000000220000-0x0000000000221000-memory.dmp

memory/2104-36-0x0000000000220000-0x0000000000221000-memory.dmp

memory/2104-38-0x0000000000220000-0x0000000000221000-memory.dmp

memory/2104-41-0x0000000000220000-0x0000000000221000-memory.dmp

memory/2104-43-0x0000000000220000-0x0000000000221000-memory.dmp

memory/2104-53-0x0000000000220000-0x0000000000221000-memory.dmp

memory/2104-55-0x0000000002240000-0x0000000005240000-memory.dmp

memory/2104-58-0x0000000000220000-0x0000000000221000-memory.dmp

memory/2104-63-0x0000000000220000-0x0000000000221000-memory.dmp

memory/2104-67-0x0000000000220000-0x0000000000221000-memory.dmp

memory/2104-70-0x0000000000220000-0x0000000000221000-memory.dmp

memory/2104-71-0x0000000000220000-0x0000000000221000-memory.dmp

memory/2104-72-0x0000000000220000-0x0000000000221000-memory.dmp

memory/2104-73-0x0000000000220000-0x0000000000221000-memory.dmp

memory/2104-74-0x0000000000220000-0x0000000000221000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2023-12-29 01:58

Reported

2023-12-29 02:00

Platform

win10v2004-20231215-en

Max time kernel

146s

Max time network

150s

Command Line

java -jar C:\Users\Admin\AppData\Local\Temp\827c3d5ba4711d93931b11cbe27854c0.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 4468 wrote to memory of 1436 N/A C:\Program Files (x86)\Common Files\Oracle\Java\javapath\java.exe C:\Windows\system32\icacls.exe
PID 4468 wrote to memory of 1436 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\827c3d5ba4711d93931b11cbe27854c0.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 83.177.190.20.in-addr.arpa udp
US 8.8.8.8:53 2.136.104.51.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
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
DE 140.82.121.3:443 github.com tcp
US 199.232.192.209:443 repo1.maven.org tcp
IE 20.166.126.56:443 tcp
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 185.199.109.133:443 tcp
US 8.8.8.8:53 173.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 241.154.82.20.in-addr.arpa udp
US 8.8.8.8:53 14.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 udp
US 8.8.8.8:53 udp
US 8.8.8.8:53 udp
US 8.8.8.8:53 udp
US 8.8.8.8:53 udp
GB 96.16.110.114:80 tcp
DE 140.82.121.3:443 tcp
US 8.8.8.8:53 udp
US 8.8.8.8:53 udp
US 8.8.8.8:53 udp
US 8.8.8.8:53 udp
US 8.8.8.8:53 udp
US 8.8.8.8:53 udp
US 8.8.8.8:53 udp
GB 96.16.110.114:80 tcp
US 8.8.8.8:53 udp
US 8.8.8.8:53 85.177.190.20.in-addr.arpa udp
GB 96.16.110.114:80 tcp
US 8.8.8.8:53 udp

Files

memory/4468-4-0x0000019C80000000-0x0000019C81000000-memory.dmp

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

MD5 02eb0e00486c7866f9454aee64db84a0
SHA1 761a6c06b6e931f034a9b534e1d8a9b79859ede8
SHA256 facc868c427ecaf5ab9a29fa4dba1c4f744edd9bd143bf1716b5607ab2869bd3
SHA512 cf4e077979775fab6d00cd3bb4e0c8d7d41876a3b6b37bdc92c9fe78edb8769a15caafb650de3515956c7dcbeeee76213f21678d32a3bace3bd3bb9665e39aa6

memory/4468-12-0x0000019CFA1B0000-0x0000019CFA1B1000-memory.dmp

memory/4468-18-0x0000019C80000000-0x0000019C81000000-memory.dmp

memory/4468-23-0x0000019C80000000-0x0000019C81000000-memory.dmp

memory/4468-32-0x0000019C80000000-0x0000019C81000000-memory.dmp

memory/4468-39-0x0000019C80000000-0x0000019C81000000-memory.dmp

memory/4468-40-0x0000019CFA1B0000-0x0000019CFA1B1000-memory.dmp

memory/4468-47-0x0000019C80000000-0x0000019C81000000-memory.dmp

memory/4468-53-0x0000019CFA1B0000-0x0000019CFA1B1000-memory.dmp

memory/4468-65-0x0000019CFA1B0000-0x0000019CFA1B1000-memory.dmp

memory/4468-67-0x0000019C80000000-0x0000019C81000000-memory.dmp

memory/4468-71-0x0000019C80000000-0x0000019C81000000-memory.dmp

memory/4468-70-0x0000019CFA1B0000-0x0000019CFA1B1000-memory.dmp

memory/4468-72-0x0000019CFA1B0000-0x0000019CFA1B1000-memory.dmp

memory/4468-73-0x0000019CFA1B0000-0x0000019CFA1B1000-memory.dmp

memory/4468-75-0x0000019CFA1B0000-0x0000019CFA1B1000-memory.dmp

memory/4468-76-0x0000019CFA1B0000-0x0000019CFA1B1000-memory.dmp

memory/4468-79-0x0000019C80000000-0x0000019C81000000-memory.dmp

memory/4468-83-0x0000019CFA1B0000-0x0000019CFA1B1000-memory.dmp

memory/4468-81-0x0000019CFA1B0000-0x0000019CFA1B1000-memory.dmp

memory/4468-84-0x0000019C80000000-0x0000019C81000000-memory.dmp

memory/4468-85-0x0000019CFA1B0000-0x0000019CFA1B1000-memory.dmp

memory/4468-87-0x0000019CFA1B0000-0x0000019CFA1B1000-memory.dmp

memory/4468-88-0x0000019C80000000-0x0000019C81000000-memory.dmp

memory/4468-90-0x0000019CFA1B0000-0x0000019CFA1B1000-memory.dmp

memory/4468-92-0x0000019CFA1B0000-0x0000019CFA1B1000-memory.dmp

memory/4468-93-0x0000019C80000000-0x0000019C81000000-memory.dmp

memory/4468-94-0x0000019CFA1B0000-0x0000019CFA1B1000-memory.dmp

memory/4468-95-0x0000019C80000000-0x0000019C81000000-memory.dmp

memory/4468-96-0x0000019CFA1B0000-0x0000019CFA1B1000-memory.dmp

memory/4468-100-0x0000019C80000000-0x0000019C81000000-memory.dmp

memory/4468-105-0x0000019C80000000-0x0000019C81000000-memory.dmp

memory/4468-104-0x0000019CFA1B0000-0x0000019CFA1B1000-memory.dmp

memory/4468-106-0x0000019C80000000-0x0000019C81000000-memory.dmp