Malware Analysis Report

2024-11-13 18:33

Sample ID 231229-xbyqlagac4
Target 00c6403b831a9a510743b7cb1f3edc62
SHA256 269ad9c64667ee8349c77e0917b256ec7b16cd256f02ba3fc7258b844a9742db
Tags
discovery strrat
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

269ad9c64667ee8349c77e0917b256ec7b16cd256f02ba3fc7258b844a9742db

Threat Level: Known bad

The file 00c6403b831a9a510743b7cb1f3edc62 was found to be: Known bad.

Malicious Activity Summary

discovery strrat

Strrat family

Modifies file permissions

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2023-12-29 18:41

Signatures

Strrat family

strrat

Analysis: behavioral1

Detonation Overview

Submitted

2023-12-29 18:41

Reported

2024-01-03 03:27

Platform

win7-20231129-en

Max time kernel

149s

Max time network

151s

Command Line

java -jar C:\Users\Admin\AppData\Local\Temp\00c6403b831a9a510743b7cb1f3edc62.jar

Signatures

N/A

Processes

C:\Windows\system32\java.exe

java -jar C:\Users\Admin\AppData\Local\Temp\00c6403b831a9a510743b7cb1f3edc62.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
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
DE 140.82.121.3:443 github.com 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
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
US 8.8.8.8:53 github.com udp
DE 140.82.121.4:443 github.com tcp
DE 140.82.121.4:443 github.com tcp
DE 140.82.121.4:443 github.com tcp
DE 140.82.121.4:443 github.com tcp
DE 140.82.121.4:443 github.com tcp
DE 140.82.121.4:443 github.com tcp
DE 140.82.121.4:443 github.com tcp

Files

memory/1044-8-0x00000000025B0000-0x00000000055B0000-memory.dmp

memory/1044-10-0x0000000000340000-0x0000000000341000-memory.dmp

memory/1044-17-0x0000000000340000-0x0000000000341000-memory.dmp

memory/1044-24-0x0000000000340000-0x0000000000341000-memory.dmp

memory/1044-31-0x0000000000340000-0x0000000000341000-memory.dmp

memory/1044-32-0x0000000000340000-0x0000000000341000-memory.dmp

memory/1044-33-0x0000000000340000-0x0000000000341000-memory.dmp

memory/1044-36-0x00000000025B0000-0x00000000055B0000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2023-12-29 18:41

Reported

2024-01-03 03:27

Platform

win10v2004-20231215-en

Max time kernel

153s

Max time network

165s

Command Line

java -jar C:\Users\Admin\AppData\Local\Temp\00c6403b831a9a510743b7cb1f3edc62.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 4004 wrote to memory of 372 N/A C:\Program Files (x86)\Common Files\Oracle\Java\javapath\java.exe C:\Windows\system32\icacls.exe
PID 4004 wrote to memory of 372 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\00c6403b831a9a510743b7cb1f3edc62.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 138.91.171.81:80 tcp
US 8.8.8.8:53 18.53.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 241.154.82.20.in-addr.arpa udp
US 8.8.8.8:53 180.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 2.136.104.51.in-addr.arpa udp
US 8.8.8.8:53 41.110.16.96.in-addr.arpa udp
US 8.8.8.8:53 114.110.16.96.in-addr.arpa udp
US 8.8.8.8:53 repo1.maven.org udp
US 8.8.8.8:53 github.com udp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
DE 140.82.121.4:443 github.com tcp
US 8.8.8.8:53 0.204.248.87.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 4.121.82.140.in-addr.arpa 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 8.8.8.8:53 209.192.232.199.in-addr.arpa udp
US 8.8.8.8:53 23.236.111.52.in-addr.arpa udp
US 8.8.8.8:53 18.134.221.88.in-addr.arpa udp
US 8.8.8.8:53 16.53.126.40.in-addr.arpa udp
US 8.8.8.8:53 84.65.42.20.in-addr.arpa udp

Files

memory/4004-2-0x000001D5AAC30000-0x000001D5ABC30000-memory.dmp

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

MD5 9c9f764b5efe1e04799a5ca3b3e0c061
SHA1 011485262b8eb0039bf54b7baff9287aca61dd95
SHA256 e75154c70c4bf1f78b960384ecf8aa24e575bbcc29529f12e8c29480d41b2a0d
SHA512 26d98c6ef8fe86a9fca0375add6f32c0a028f9811e68c998f1060bb2ac8983170a4d703ab34128e1ab7666840668fc3af6ac543e0cbdad08f1ba3839c4cd77db

memory/4004-12-0x000001D5AAC10000-0x000001D5AAC11000-memory.dmp

memory/4004-24-0x000001D5AAC30000-0x000001D5ABC30000-memory.dmp

memory/4004-27-0x000001D5AAC30000-0x000001D5ABC30000-memory.dmp

memory/4004-32-0x000001D5AAC10000-0x000001D5AAC11000-memory.dmp

memory/4004-36-0x000001D5AAC30000-0x000001D5ABC30000-memory.dmp

memory/4004-39-0x000001D5AAC10000-0x000001D5AAC11000-memory.dmp

memory/4004-47-0x000001D5AAC30000-0x000001D5ABC30000-memory.dmp

memory/4004-52-0x000001D5AAC30000-0x000001D5ABC30000-memory.dmp

memory/4004-80-0x000001D5AAC10000-0x000001D5AAC11000-memory.dmp

memory/4004-96-0x000001D5AAC10000-0x000001D5AAC11000-memory.dmp

memory/4004-98-0x000001D5AAC30000-0x000001D5ABC30000-memory.dmp

memory/4004-107-0x000001D5AAC30000-0x000001D5ABC30000-memory.dmp