Analysis Overview
SHA256
f7b4101d747056be7e23e22de55fe93a77ceac5038e1174db9a023d031c80d34
Threat Level: Shows suspicious behavior
The file returns.jar was found to be: Shows suspicious behavior.
Malicious Activity Summary
Modifies file permissions
Adds Run key to start application
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-05-30 13:57
Signatures
Analysis: behavioral1
Detonation Overview
Submitted
2024-05-30 13:57
Reported
2024-05-30 13:59
Platform
win7-20240508-en
Max time kernel
118s
Max time network
118s
Command Line
Signatures
Processes
C:\Windows\system32\java.exe
java -jar C:\Users\Admin\AppData\Local\Temp\returns.jar
Network
Files
memory/2436-2-0x0000000002470000-0x00000000026E0000-memory.dmp
memory/2436-11-0x00000000003C0000-0x00000000003C1000-memory.dmp
memory/2436-12-0x0000000002470000-0x00000000026E0000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-05-30 13:57
Reported
2024-05-30 13:59
Platform
win10v2004-20240508-en
Max time kernel
150s
Max time network
149s
Command Line
Signatures
Modifies file permissions
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\system32\icacls.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Home = "C:\\Program Files\\Java\\jre-1.8\\bin\\javaw.exe -jar C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\.tmp\\1717077432401.tmp" | C:\Windows\system32\reg.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Program Files (x86)\Common Files\Oracle\Java\javapath\java.exe | N/A |
| N/A | N/A | C:\Program Files (x86)\Common Files\Oracle\Java\javapath\java.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 4460 wrote to memory of 3404 | N/A | C:\Program Files (x86)\Common Files\Oracle\Java\javapath\java.exe | C:\Windows\system32\icacls.exe |
| PID 4460 wrote to memory of 3404 | N/A | C:\Program Files (x86)\Common Files\Oracle\Java\javapath\java.exe | C:\Windows\system32\icacls.exe |
| PID 4460 wrote to memory of 2932 | N/A | C:\Program Files (x86)\Common Files\Oracle\Java\javapath\java.exe | C:\Windows\SYSTEM32\cmd.exe |
| PID 4460 wrote to memory of 2932 | N/A | C:\Program Files (x86)\Common Files\Oracle\Java\javapath\java.exe | C:\Windows\SYSTEM32\cmd.exe |
| PID 2932 wrote to memory of 3656 | N/A | C:\Windows\SYSTEM32\cmd.exe | C:\Windows\system32\reg.exe |
| PID 2932 wrote to memory of 3656 | N/A | C:\Windows\SYSTEM32\cmd.exe | C:\Windows\system32\reg.exe |
Processes
C:\Program Files (x86)\Common Files\Oracle\Java\javapath\java.exe
java -jar C:\Users\Admin\AppData\Local\Temp\returns.jar
C:\Windows\system32\icacls.exe
C:\Windows\system32\icacls.exe C:\ProgramData\Oracle\Java\.oracle_jre_usage /grant "everyone":(OI)(CI)M
C:\Windows\SYSTEM32\cmd.exe
cmd.exe /c "REG ADD HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run /v Home /d "C:\Program Files\Java\jre-1.8\bin\javaw.exe -jar C:\Users\Admin\AppData\Roaming\Microsoft\.tmp\1717077432401.tmp" /f"
C:\Windows\system32\reg.exe
REG ADD HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run /v Home /d "C:\Program Files\Java\jre-1.8\bin\javaw.exe -jar C:\Users\Admin\AppData\Roaming\Microsoft\.tmp\1717077432401.tmp" /f
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 | 209.205.72.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 144.107.17.2.in-addr.arpa | udp |
| NL | 193.142.146.158:8686 | tcp | |
| US | 8.8.8.8:53 | 73.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 158.146.142.193.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.35.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 217.106.137.52.in-addr.arpa | udp |
| NL | 23.62.61.170:443 | www.bing.com | tcp |
| US | 8.8.8.8:53 | 170.61.62.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 58.55.71.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 103.169.127.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 56.126.166.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 0.204.248.87.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 138.107.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 0.205.248.87.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 43.229.111.52.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 | 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 |
Files
memory/4460-2-0x000001E5A95E0000-0x000001E5A9850000-memory.dmp
C:\ProgramData\Oracle\Java\.oracle_jre_usage\3903daac9bc4a3b7.timestamp
| MD5 | 7338d7d70115b1e2eb1a9f1aaa06a1e0 |
| SHA1 | 855e068c1b9930348e5da48283e9e3bb71ed10c3 |
| SHA256 | 511c2612564b0244864fde3e87947c6984e5cc100a0106146585dd68002ce3dd |
| SHA512 | dd06060e8f2fcd28f184249385a8cbc96018e3ec8ad052a8ae0baaaf3cf072f5a95d971fd02620d14a0d600e8d256ff307fea0542c53d64d5169fdc8a46e8a1e |
memory/4460-13-0x000001E5A9850000-0x000001E5A9860000-memory.dmp
memory/4460-16-0x000001E5A9860000-0x000001E5A9870000-memory.dmp
memory/4460-18-0x000001E5A9870000-0x000001E5A9880000-memory.dmp
memory/4460-19-0x000001E5A9880000-0x000001E5A9890000-memory.dmp
memory/4460-21-0x000001E5A9890000-0x000001E5A98A0000-memory.dmp
memory/4460-25-0x000001E5A95C0000-0x000001E5A95C1000-memory.dmp
memory/4460-27-0x000001E5A98A0000-0x000001E5A98B0000-memory.dmp
memory/4460-29-0x000001E5A98B0000-0x000001E5A98C0000-memory.dmp
memory/4460-32-0x000001E5A98C0000-0x000001E5A98D0000-memory.dmp
memory/4460-33-0x000001E5A98D0000-0x000001E5A98E0000-memory.dmp
memory/4460-36-0x000001E5A98E0000-0x000001E5A98F0000-memory.dmp
memory/4460-39-0x000001E5A95C0000-0x000001E5A95C1000-memory.dmp
memory/4460-41-0x000001E5A98F0000-0x000001E5A9900000-memory.dmp
memory/4460-40-0x000001E5A95E0000-0x000001E5A9850000-memory.dmp
memory/4460-44-0x000001E5A9900000-0x000001E5A9910000-memory.dmp
memory/4460-43-0x000001E5A9850000-0x000001E5A9860000-memory.dmp
memory/4460-46-0x000001E5A9860000-0x000001E5A9870000-memory.dmp
memory/4460-47-0x000001E5A9910000-0x000001E5A9920000-memory.dmp
memory/4460-50-0x000001E5A9920000-0x000001E5A9930000-memory.dmp
memory/4460-54-0x000001E5A9930000-0x000001E5A9940000-memory.dmp
memory/4460-55-0x000001E5A9940000-0x000001E5A9950000-memory.dmp
memory/4460-58-0x000001E5A9890000-0x000001E5A98A0000-memory.dmp
memory/4460-60-0x000001E5A98A0000-0x000001E5A98B0000-memory.dmp
memory/4460-61-0x000001E5A9960000-0x000001E5A9970000-memory.dmp
memory/4460-59-0x000001E5A9950000-0x000001E5A9960000-memory.dmp
memory/4460-53-0x000001E5A9880000-0x000001E5A9890000-memory.dmp
memory/4460-49-0x000001E5A9870000-0x000001E5A9880000-memory.dmp
memory/4460-66-0x000001E5A9980000-0x000001E5A9990000-memory.dmp
memory/4460-65-0x000001E5A9970000-0x000001E5A9980000-memory.dmp
memory/4460-70-0x000001E5A9990000-0x000001E5A99A0000-memory.dmp
memory/4460-69-0x000001E5A98D0000-0x000001E5A98E0000-memory.dmp
memory/4460-68-0x000001E5A98C0000-0x000001E5A98D0000-memory.dmp
memory/4460-64-0x000001E5A98B0000-0x000001E5A98C0000-memory.dmp
memory/4460-73-0x000001E5A99A0000-0x000001E5A99B0000-memory.dmp
memory/4460-72-0x000001E5A98E0000-0x000001E5A98F0000-memory.dmp
memory/4460-78-0x000001E5A99B0000-0x000001E5A99C0000-memory.dmp
memory/4460-77-0x000001E5A98F0000-0x000001E5A9900000-memory.dmp
memory/4460-85-0x000001E5A99C0000-0x000001E5A99D0000-memory.dmp
memory/4460-84-0x000001E5A9900000-0x000001E5A9910000-memory.dmp
memory/4460-88-0x000001E5A99D0000-0x000001E5A99E0000-memory.dmp
memory/4460-87-0x000001E5A9910000-0x000001E5A9920000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\m17170774322601842841552436895069.tmp
| MD5 | 084cfe9ae1e353f656b978eed500189c |
| SHA1 | bd770eb43e4915d396aed1010e6d423668d99164 |
| SHA256 | 46f065657f246571a5c9480680efd2cbe38affebd39c90ba36a165a39b93f881 |
| SHA512 | 17936a3c0aa3ab79482d6da66647d8e5774cb67ccd6ef4186e52185c4cf6b5edbed5877f12ca315c03fa2d6add07c667205d69e8584c51134f20d7e171e50131 |
memory/4460-96-0x000001E5A99E0000-0x000001E5A99F0000-memory.dmp
memory/4460-95-0x000001E5A9920000-0x000001E5A9930000-memory.dmp
memory/4460-98-0x000001E5A9930000-0x000001E5A9940000-memory.dmp
memory/4460-100-0x000001E5A99F0000-0x000001E5A9A00000-memory.dmp
memory/4460-99-0x000001E5A9940000-0x000001E5A9950000-memory.dmp
memory/4460-107-0x000001E5A9A00000-0x000001E5A9A10000-memory.dmp
memory/4460-106-0x000001E5A9950000-0x000001E5A9960000-memory.dmp
memory/4460-108-0x000001E5A95C0000-0x000001E5A95C1000-memory.dmp
memory/4460-110-0x000001E5A9960000-0x000001E5A9970000-memory.dmp
memory/4460-113-0x000001E5A9980000-0x000001E5A9990000-memory.dmp
memory/4460-112-0x000001E5A9970000-0x000001E5A9980000-memory.dmp
memory/4460-114-0x000001E5A9990000-0x000001E5A99A0000-memory.dmp
memory/4460-115-0x000001E5A99A0000-0x000001E5A99B0000-memory.dmp
memory/4460-116-0x000001E5A99B0000-0x000001E5A99C0000-memory.dmp
memory/4460-117-0x000001E5A99C0000-0x000001E5A99D0000-memory.dmp
memory/4460-118-0x000001E5A99D0000-0x000001E5A99E0000-memory.dmp
memory/4460-120-0x000001E5A99E0000-0x000001E5A99F0000-memory.dmp
memory/4460-121-0x000001E5A99F0000-0x000001E5A9A00000-memory.dmp
memory/4460-122-0x000001E5A9A00000-0x000001E5A9A10000-memory.dmp
memory/4460-124-0x000001E5A9A10000-0x000001E5A9A20000-memory.dmp
memory/4460-126-0x000001E5A9A10000-0x000001E5A9A20000-memory.dmp
memory/4460-130-0x000001E5A9A20000-0x000001E5A9A30000-memory.dmp
memory/4460-132-0x000001E5A9A40000-0x000001E5A9A50000-memory.dmp
memory/4460-133-0x000001E5A9A20000-0x000001E5A9A30000-memory.dmp