Analysis Overview
SHA256
80af6e8d6151329f83f063fe1162c41642af8d7b60808bbb1019ba2bccb29ebc
Threat Level: Known bad
The file PaymentAdvicejarjarjarjar.jar was found to be: Known bad.
Malicious Activity Summary
STRRAT
Drops startup file
Adds Run key to start application
Creates scheduled task(s)
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
MITRE ATT&CK
Enterprise Matrix V6
Analysis: static1
Detonation Overview
Reported
2023-07-09 08:19
Signatures
Analysis: behavioral1
Detonation Overview
Submitted
2023-07-09 08:19
Reported
2023-07-09 08:22
Platform
win7-20230703-en
Max time kernel
156s
Max time network
149s
Command Line
Signatures
STRRAT
Drops startup file
| Description | Indicator | Process | Target |
| File created | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\PaymentAdvicejarjarjarjar.jar | C:\Windows\system32\java.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2859459355-424593036-1984306042-1000\Software\Microsoft\Windows\CurrentVersion\Run\PaymentAdvicejarjarjarjar = "\"C:\\Program Files\\Java\\jre7\\bin\\javaw.exe\" -jar \"C:\\Users\\Admin\\AppData\\Roaming\\PaymentAdvicejarjarjarjar.jar\"" | C:\Windows\system32\java.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\PaymentAdvicejarjarjarjar = "\"C:\\Program Files\\Java\\jre7\\bin\\javaw.exe\" -jar \"C:\\Users\\Admin\\AppData\\Roaming\\PaymentAdvicejarjarjarjar.jar\"" | C:\Windows\system32\java.exe | N/A |
Creates scheduled task(s)
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\system32\schtasks.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1236 wrote to memory of 1968 | N/A | C:\Windows\system32\java.exe | C:\Windows\system32\cmd.exe |
| PID 1236 wrote to memory of 1968 | N/A | C:\Windows\system32\java.exe | C:\Windows\system32\cmd.exe |
| PID 1236 wrote to memory of 1968 | N/A | C:\Windows\system32\java.exe | C:\Windows\system32\cmd.exe |
| PID 1236 wrote to memory of 2160 | N/A | C:\Windows\system32\java.exe | C:\Program Files\Java\jre7\bin\java.exe |
| PID 1236 wrote to memory of 2160 | N/A | C:\Windows\system32\java.exe | C:\Program Files\Java\jre7\bin\java.exe |
| PID 1236 wrote to memory of 2160 | N/A | C:\Windows\system32\java.exe | C:\Program Files\Java\jre7\bin\java.exe |
| PID 1968 wrote to memory of 2120 | N/A | C:\Windows\system32\cmd.exe | C:\Windows\system32\schtasks.exe |
| PID 1968 wrote to memory of 2120 | N/A | C:\Windows\system32\cmd.exe | C:\Windows\system32\schtasks.exe |
| PID 1968 wrote to memory of 2120 | N/A | C:\Windows\system32\cmd.exe | C:\Windows\system32\schtasks.exe |
Uses Task Scheduler COM API
Processes
C:\Windows\system32\java.exe
java -jar C:\Users\Admin\AppData\Local\Temp\PaymentAdvicejarjarjarjar.jar
C:\Windows\system32\cmd.exe
cmd /c schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\PaymentAdvicejarjarjarjar.jar"
C:\Program Files\Java\jre7\bin\java.exe
"C:\Program Files\Java\jre7\bin\java.exe" -jar "C:\Users\Admin\AppData\Roaming\PaymentAdvicejarjarjarjar.jar"
C:\Windows\system32\schtasks.exe
schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\PaymentAdvicejarjarjarjar.jar"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | efcc.duckdns.org | udp |
| US | 79.110.49.161:1243 | efcc.duckdns.org | tcp |
| N/A | 127.0.0.1:1243 | tcp | |
| US | 79.110.49.161:1243 | efcc.duckdns.org | tcp |
| N/A | 127.0.0.1:1243 | tcp | |
| US | 79.110.49.161:1243 | efcc.duckdns.org | tcp |
| N/A | 127.0.0.1:1243 | tcp | |
| US | 8.8.8.8:53 | efcc.duckdns.org | udp |
| US | 79.110.49.161:1243 | efcc.duckdns.org | tcp |
| N/A | 127.0.0.1:1243 | tcp |
Files
memory/1236-63-0x0000000000120000-0x0000000000121000-memory.dmp
memory/1236-64-0x0000000000120000-0x0000000000121000-memory.dmp
memory/1236-82-0x0000000000120000-0x0000000000121000-memory.dmp
C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Startup\PaymentAdvicejarjarjarjar.jar
| MD5 | 233289b050dbef1acab4575d172f4108 |
| SHA1 | ca1d2bb3798673e394d3989c883ca6cae4f398cc |
| SHA256 | 80af6e8d6151329f83f063fe1162c41642af8d7b60808bbb1019ba2bccb29ebc |
| SHA512 | d30c33ed3f0465cb0fcd3726455452cdd8dc11eb385556a516b4a1457236f0cbdc9dfb05d775aa673eba2051ef26b1fb81a0a4ce270cdae6c6a92db958280bd1 |
C:\Users\Admin\AppData\Roaming\PaymentAdvicejarjarjarjar.jar
| MD5 | 233289b050dbef1acab4575d172f4108 |
| SHA1 | ca1d2bb3798673e394d3989c883ca6cae4f398cc |
| SHA256 | 80af6e8d6151329f83f063fe1162c41642af8d7b60808bbb1019ba2bccb29ebc |
| SHA512 | d30c33ed3f0465cb0fcd3726455452cdd8dc11eb385556a516b4a1457236f0cbdc9dfb05d775aa673eba2051ef26b1fb81a0a4ce270cdae6c6a92db958280bd1 |
memory/2160-108-0x0000000001B60000-0x0000000001B61000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2023-07-09 08:19
Reported
2023-07-09 08:22
Platform
win10v2004-20230703-en
Max time kernel
142s
Max time network
151s
Command Line
Signatures
STRRAT
Drops startup file
| Description | Indicator | Process | Target |
| File created | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\PaymentAdvicejarjarjarjar.jar | C:\ProgramData\Oracle\Java\javapath\java.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-618519468-4027732583-1827558364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\PaymentAdvicejarjarjarjar = "\"C:\\Program Files\\Java\\jre1.8.0_66\\bin\\javaw.exe\" -jar \"C:\\Users\\Admin\\AppData\\Roaming\\PaymentAdvicejarjarjarjar.jar\"" | C:\ProgramData\Oracle\Java\javapath\java.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\PaymentAdvicejarjarjarjar = "\"C:\\Program Files\\Java\\jre1.8.0_66\\bin\\javaw.exe\" -jar \"C:\\Users\\Admin\\AppData\\Roaming\\PaymentAdvicejarjarjarjar.jar\"" | C:\ProgramData\Oracle\Java\javapath\java.exe | N/A |
Creates scheduled task(s)
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\system32\schtasks.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 4124 wrote to memory of 3312 | N/A | C:\ProgramData\Oracle\Java\javapath\java.exe | C:\Windows\SYSTEM32\cmd.exe |
| PID 4124 wrote to memory of 3312 | N/A | C:\ProgramData\Oracle\Java\javapath\java.exe | C:\Windows\SYSTEM32\cmd.exe |
| PID 4124 wrote to memory of 2744 | N/A | C:\ProgramData\Oracle\Java\javapath\java.exe | C:\Program Files\Java\jre1.8.0_66\bin\java.exe |
| PID 4124 wrote to memory of 2744 | N/A | C:\ProgramData\Oracle\Java\javapath\java.exe | C:\Program Files\Java\jre1.8.0_66\bin\java.exe |
| PID 3312 wrote to memory of 1716 | N/A | C:\Windows\SYSTEM32\cmd.exe | C:\Windows\system32\schtasks.exe |
| PID 3312 wrote to memory of 1716 | N/A | C:\Windows\SYSTEM32\cmd.exe | C:\Windows\system32\schtasks.exe |
Uses Task Scheduler COM API
Processes
C:\ProgramData\Oracle\Java\javapath\java.exe
java -jar C:\Users\Admin\AppData\Local\Temp\PaymentAdvicejarjarjarjar.jar
C:\Windows\SYSTEM32\cmd.exe
cmd /c schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\PaymentAdvicejarjarjarjar.jar"
C:\Program Files\Java\jre1.8.0_66\bin\java.exe
"C:\Program Files\Java\jre1.8.0_66\bin\java.exe" -jar "C:\Users\Admin\AppData\Roaming\PaymentAdvicejarjarjarjar.jar"
C:\Windows\system32\schtasks.exe
schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\PaymentAdvicejarjarjarjar.jar"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 2.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | efcc.duckdns.org | udp |
| US | 79.110.49.161:1243 | efcc.duckdns.org | tcp |
| US | 8.8.8.8:53 | 15.164.165.52.in-addr.arpa | udp |
| N/A | 127.0.0.1:1243 | tcp | |
| US | 79.110.49.161:1243 | efcc.duckdns.org | tcp |
| N/A | 127.0.0.1:1243 | tcp | |
| US | 79.110.49.161:1243 | efcc.duckdns.org | tcp |
| US | 8.8.8.8:53 | 2.77.109.52.in-addr.arpa | udp |
| N/A | 127.0.0.1:1243 | tcp | |
| US | 79.110.49.161:1243 | efcc.duckdns.org | tcp |
| N/A | 127.0.0.1:1243 | tcp | |
| US | 8.8.8.8:53 | efcc.duckdns.org | udp |
| US | 79.110.49.161:1243 | efcc.duckdns.org | tcp |
| US | 8.8.8.8:53 | 9.179.89.13.in-addr.arpa | udp |
Files
memory/4124-146-0x0000000001060000-0x0000000001061000-memory.dmp
C:\ProgramData\Microsoft\Windows\Start Menu\Programs\StartUp\PaymentAdvicejarjarjarjar.jar
| MD5 | 233289b050dbef1acab4575d172f4108 |
| SHA1 | ca1d2bb3798673e394d3989c883ca6cae4f398cc |
| SHA256 | 80af6e8d6151329f83f063fe1162c41642af8d7b60808bbb1019ba2bccb29ebc |
| SHA512 | d30c33ed3f0465cb0fcd3726455452cdd8dc11eb385556a516b4a1457236f0cbdc9dfb05d775aa673eba2051ef26b1fb81a0a4ce270cdae6c6a92db958280bd1 |
memory/4124-152-0x0000000001060000-0x0000000001061000-memory.dmp
C:\Users\Admin\AppData\Roaming\PaymentAdvicejarjarjarjar.jar
| MD5 | 233289b050dbef1acab4575d172f4108 |
| SHA1 | ca1d2bb3798673e394d3989c883ca6cae4f398cc |
| SHA256 | 80af6e8d6151329f83f063fe1162c41642af8d7b60808bbb1019ba2bccb29ebc |
| SHA512 | d30c33ed3f0465cb0fcd3726455452cdd8dc11eb385556a516b4a1457236f0cbdc9dfb05d775aa673eba2051ef26b1fb81a0a4ce270cdae6c6a92db958280bd1 |
C:\Users\Admin\.oracle_jre_usage\90737d32e3aba4b.timestamp
| MD5 | bfce8cfa096dd06cda85a33b2964c991 |
| SHA1 | 044f91d05641713c62cdd5e03eb30bb89a45516a |
| SHA256 | 9fb47a95f22ed8d32016588fa5f0ff8152d28da2da62386556f4ffd9914e4625 |
| SHA512 | d64b1fd54bfed25adfb4b2fec29a902aa9952eda1d9e30b227b5f8bacb0cc0779cc019e2445f159fdd4ada85d71e0129dd024630647590ae4509fc019b2c2ef4 |
memory/2744-165-0x0000000000ED0000-0x0000000000ED1000-memory.dmp