Analysis Overview
SHA256
80af6e8d6151329f83f063fe1162c41642af8d7b60808bbb1019ba2bccb29ebc
Threat Level: Known bad
The file Payment_Advice.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
2023-07-08 08:25
Signatures
Analysis: behavioral1
Detonation Overview
Submitted
2023-07-08 08:25
Reported
2023-07-08 08:27
Platform
win7-20230703-en
Max time kernel
148s
Max time network
140s
Command Line
Signatures
STRRAT
Drops startup file
| Description | Indicator | Process | Target |
| File created | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Payment_Advice.jar | C:\Windows\system32\java.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-719110999-4061093145-1944564496-1000\Software\Microsoft\Windows\CurrentVersion\Run\Payment_Advice = "\"C:\\Program Files\\Java\\jre7\\bin\\javaw.exe\" -jar \"C:\\Users\\Admin\\AppData\\Roaming\\Payment_Advice.jar\"" | C:\Windows\system32\java.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Payment_Advice = "\"C:\\Program Files\\Java\\jre7\\bin\\javaw.exe\" -jar \"C:\\Users\\Admin\\AppData\\Roaming\\Payment_Advice.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 2380 wrote to memory of 872 | N/A | C:\Windows\system32\java.exe | C:\Windows\system32\cmd.exe |
| PID 2380 wrote to memory of 872 | N/A | C:\Windows\system32\java.exe | C:\Windows\system32\cmd.exe |
| PID 2380 wrote to memory of 872 | N/A | C:\Windows\system32\java.exe | C:\Windows\system32\cmd.exe |
| PID 2380 wrote to memory of 2272 | N/A | C:\Windows\system32\java.exe | C:\Program Files\Java\jre7\bin\java.exe |
| PID 2380 wrote to memory of 2272 | N/A | C:\Windows\system32\java.exe | C:\Program Files\Java\jre7\bin\java.exe |
| PID 2380 wrote to memory of 2272 | N/A | C:\Windows\system32\java.exe | C:\Program Files\Java\jre7\bin\java.exe |
| PID 872 wrote to memory of 432 | N/A | C:\Windows\system32\cmd.exe | C:\Windows\system32\schtasks.exe |
| PID 872 wrote to memory of 432 | N/A | C:\Windows\system32\cmd.exe | C:\Windows\system32\schtasks.exe |
| PID 872 wrote to memory of 432 | 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\Payment_Advice.jar
C:\Windows\system32\cmd.exe
cmd /c schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\Payment_Advice.jar"
C:\Program Files\Java\jre7\bin\java.exe
"C:\Program Files\Java\jre7\bin\java.exe" -jar "C:\Users\Admin\AppData\Roaming\Payment_Advice.jar"
C:\Windows\system32\schtasks.exe
schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\Payment_Advice.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 | 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/2380-63-0x0000000000220000-0x0000000000221000-memory.dmp
C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Startup\Payment_Advice.jar
| MD5 | 233289b050dbef1acab4575d172f4108 |
| SHA1 | ca1d2bb3798673e394d3989c883ca6cae4f398cc |
| SHA256 | 80af6e8d6151329f83f063fe1162c41642af8d7b60808bbb1019ba2bccb29ebc |
| SHA512 | d30c33ed3f0465cb0fcd3726455452cdd8dc11eb385556a516b4a1457236f0cbdc9dfb05d775aa673eba2051ef26b1fb81a0a4ce270cdae6c6a92db958280bd1 |
C:\Users\Admin\AppData\Roaming\Payment_Advice.jar
| MD5 | 233289b050dbef1acab4575d172f4108 |
| SHA1 | ca1d2bb3798673e394d3989c883ca6cae4f398cc |
| SHA256 | 80af6e8d6151329f83f063fe1162c41642af8d7b60808bbb1019ba2bccb29ebc |
| SHA512 | d30c33ed3f0465cb0fcd3726455452cdd8dc11eb385556a516b4a1457236f0cbdc9dfb05d775aa673eba2051ef26b1fb81a0a4ce270cdae6c6a92db958280bd1 |
memory/2272-80-0x0000000000230000-0x0000000000231000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2023-07-08 08:25
Reported
2023-07-08 08:27
Platform
win10v2004-20230703-en
Max time kernel
143s
Max time network
153s
Command Line
Signatures
STRRAT
Drops startup file
| Description | Indicator | Process | Target |
| File created | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Payment_Advice.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-1-5-21-1043950675-1972537973-2972532878-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Payment_Advice = "\"C:\\Program Files\\Java\\jre1.8.0_66\\bin\\javaw.exe\" -jar \"C:\\Users\\Admin\\AppData\\Roaming\\Payment_Advice.jar\"" | C:\ProgramData\Oracle\Java\javapath\java.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Payment_Advice = "\"C:\\Program Files\\Java\\jre1.8.0_66\\bin\\javaw.exe\" -jar \"C:\\Users\\Admin\\AppData\\Roaming\\Payment_Advice.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 1836 wrote to memory of 1780 | N/A | C:\ProgramData\Oracle\Java\javapath\java.exe | C:\Windows\SYSTEM32\cmd.exe |
| PID 1836 wrote to memory of 1780 | N/A | C:\ProgramData\Oracle\Java\javapath\java.exe | C:\Windows\SYSTEM32\cmd.exe |
| PID 1836 wrote to memory of 1564 | N/A | C:\ProgramData\Oracle\Java\javapath\java.exe | C:\Program Files\Java\jre1.8.0_66\bin\java.exe |
| PID 1836 wrote to memory of 1564 | N/A | C:\ProgramData\Oracle\Java\javapath\java.exe | C:\Program Files\Java\jre1.8.0_66\bin\java.exe |
| PID 1780 wrote to memory of 1724 | N/A | C:\Windows\SYSTEM32\cmd.exe | C:\Windows\system32\schtasks.exe |
| PID 1780 wrote to memory of 1724 | 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\Payment_Advice.jar
C:\Windows\SYSTEM32\cmd.exe
cmd /c schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\Payment_Advice.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\Payment_Advice.jar"
C:\Windows\system32\schtasks.exe
schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\Payment_Advice.jar"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 68.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 8.3.197.209.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 | 157.123.68.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.35.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 171.39.242.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 254.23.238.8.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 | 63.13.109.52.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 | 89.16.208.104.in-addr.arpa | udp |
| US | 8.8.8.8:53 | efcc.duckdns.org | udp |
| US | 79.110.49.161:1243 | efcc.duckdns.org | tcp |
Files
memory/1836-143-0x0000000000F80000-0x0000000000F81000-memory.dmp
C:\ProgramData\Microsoft\Windows\Start Menu\Programs\StartUp\Payment_Advice.jar
| MD5 | 233289b050dbef1acab4575d172f4108 |
| SHA1 | ca1d2bb3798673e394d3989c883ca6cae4f398cc |
| SHA256 | 80af6e8d6151329f83f063fe1162c41642af8d7b60808bbb1019ba2bccb29ebc |
| SHA512 | d30c33ed3f0465cb0fcd3726455452cdd8dc11eb385556a516b4a1457236f0cbdc9dfb05d775aa673eba2051ef26b1fb81a0a4ce270cdae6c6a92db958280bd1 |
C:\Users\Admin\AppData\Roaming\Payment_Advice.jar
| MD5 | 233289b050dbef1acab4575d172f4108 |
| SHA1 | ca1d2bb3798673e394d3989c883ca6cae4f398cc |
| SHA256 | 80af6e8d6151329f83f063fe1162c41642af8d7b60808bbb1019ba2bccb29ebc |
| SHA512 | d30c33ed3f0465cb0fcd3726455452cdd8dc11eb385556a516b4a1457236f0cbdc9dfb05d775aa673eba2051ef26b1fb81a0a4ce270cdae6c6a92db958280bd1 |
C:\Users\Admin\.oracle_jre_usage\90737d32e3aba4b.timestamp
| MD5 | 08122380e91d26a8390ebb86812a74ae |
| SHA1 | 4eacf5e0562837d3d43fd40940f22d3cf78f42fe |
| SHA256 | 461619e82a8472f6d258eceb6a917a7599a464b9d8c5ee9cade97ed046276347 |
| SHA512 | 84eafc942120cb3114cdbb7ff6bd976426b4818c02f5a928c6f3f1c7dd74c269fea78bee3af48f693efbbe27285fd56240cbedfbd345a7dcd9dc41508e096b87 |
memory/1564-163-0x0000000000730000-0x0000000000731000-memory.dmp
memory/1564-164-0x0000000000730000-0x0000000000731000-memory.dmp