Analysis Overview
SHA256
7ec876784f3dd0ae0fecdc23e3ec76fc7a61218dda76f805e62d1a3f87e9a1b4
Threat Level: Known bad
The file Angebotsanfrage.jar was found to be: Known bad.
Malicious Activity Summary
STRRAT
Drops startup file
Adds Run key to start application
Uses Task Scheduler COM API
Creates scheduled task(s)
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V6
Analysis: static1
Detonation Overview
Reported
2023-07-13 05:44
Signatures
Analysis: behavioral1
Detonation Overview
Submitted
2023-07-13 05:44
Reported
2023-07-13 05:46
Platform
win7-20230712-en
Max time kernel
150s
Max time network
152s
Command Line
Signatures
STRRAT
Drops startup file
| Description | Indicator | Process | Target |
| File created | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Angebotsanfrage.jar | C:\Windows\system32\java.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2969888527-3102471180-2307688834-1000\Software\Microsoft\Windows\CurrentVersion\Run\Angebotsanfrage = "\"C:\\Program Files\\Java\\jre7\\bin\\javaw.exe\" -jar \"C:\\Users\\Admin\\AppData\\Roaming\\Angebotsanfrage.jar\"" | C:\Windows\system32\java.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Angebotsanfrage = "\"C:\\Program Files\\Java\\jre7\\bin\\javaw.exe\" -jar \"C:\\Users\\Admin\\AppData\\Roaming\\Angebotsanfrage.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 2072 wrote to memory of 2016 | N/A | C:\Windows\system32\java.exe | C:\Windows\system32\cmd.exe |
| PID 2072 wrote to memory of 2016 | N/A | C:\Windows\system32\java.exe | C:\Windows\system32\cmd.exe |
| PID 2072 wrote to memory of 2016 | N/A | C:\Windows\system32\java.exe | C:\Windows\system32\cmd.exe |
| PID 2072 wrote to memory of 2844 | N/A | C:\Windows\system32\java.exe | C:\Program Files\Java\jre7\bin\java.exe |
| PID 2072 wrote to memory of 2844 | N/A | C:\Windows\system32\java.exe | C:\Program Files\Java\jre7\bin\java.exe |
| PID 2072 wrote to memory of 2844 | N/A | C:\Windows\system32\java.exe | C:\Program Files\Java\jre7\bin\java.exe |
| PID 2016 wrote to memory of 2908 | N/A | C:\Windows\system32\cmd.exe | C:\Windows\system32\schtasks.exe |
| PID 2016 wrote to memory of 2908 | N/A | C:\Windows\system32\cmd.exe | C:\Windows\system32\schtasks.exe |
| PID 2016 wrote to memory of 2908 | 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\Angebotsanfrage.jar
C:\Windows\system32\cmd.exe
cmd /c schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\Angebotsanfrage.jar"
C:\Program Files\Java\jre7\bin\java.exe
"C:\Program Files\Java\jre7\bin\java.exe" -jar "C:\Users\Admin\AppData\Roaming\Angebotsanfrage.jar"
C:\Windows\system32\schtasks.exe
schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\Angebotsanfrage.jar"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | elastsolek1.duckdns.org | udp |
| NL | 103.212.81.157:4787 | elastsolek1.duckdns.org | tcp |
| US | 8.8.8.8:53 | zekeriyasolek45.duckdns.org | udp |
| RU | 194.147.140.212:4787 | zekeriyasolek45.duckdns.org | tcp |
| NL | 103.212.81.157:4787 | elastsolek1.duckdns.org | tcp |
| RU | 194.147.140.212:4787 | zekeriyasolek45.duckdns.org | tcp |
| NL | 103.212.81.157:4787 | elastsolek1.duckdns.org | tcp |
| RU | 194.147.140.212:4787 | zekeriyasolek45.duckdns.org | tcp |
| NL | 103.212.81.157:4787 | elastsolek1.duckdns.org | tcp |
| RU | 194.147.140.212:4787 | zekeriyasolek45.duckdns.org | tcp |
| NL | 103.212.81.157:4787 | elastsolek1.duckdns.org | tcp |
| RU | 194.147.140.212:4787 | zekeriyasolek45.duckdns.org | tcp |
| NL | 103.212.81.157:4787 | elastsolek1.duckdns.org | tcp |
| RU | 194.147.140.212:4787 | zekeriyasolek45.duckdns.org | tcp |
| NL | 103.212.81.157:4787 | elastsolek1.duckdns.org | tcp |
| RU | 194.147.140.212:4787 | zekeriyasolek45.duckdns.org | tcp |
| US | 8.8.8.8:53 | elastsolek1.duckdns.org | udp |
| NL | 103.212.81.157:4787 | elastsolek1.duckdns.org | tcp |
| US | 8.8.8.8:53 | zekeriyasolek45.duckdns.org | udp |
| RU | 194.147.140.212:4787 | zekeriyasolek45.duckdns.org | tcp |
| NL | 103.212.81.157:4787 | elastsolek1.duckdns.org | tcp |
| RU | 194.147.140.212:4787 | zekeriyasolek45.duckdns.org | tcp |
| NL | 103.212.81.157:4787 | elastsolek1.duckdns.org | tcp |
| RU | 194.147.140.212:4787 | zekeriyasolek45.duckdns.org | tcp |
| NL | 103.212.81.157:4787 | elastsolek1.duckdns.org | tcp |
| RU | 194.147.140.212:4787 | zekeriyasolek45.duckdns.org | tcp |
| NL | 103.212.81.157:4787 | elastsolek1.duckdns.org | tcp |
| RU | 194.147.140.212:4787 | zekeriyasolek45.duckdns.org | tcp |
| NL | 103.212.81.157:4787 | elastsolek1.duckdns.org | tcp |
| RU | 194.147.140.212:4787 | zekeriyasolek45.duckdns.org | tcp |
| US | 8.8.8.8:53 | elastsolek1.duckdns.org | udp |
| NL | 103.212.81.157:4787 | elastsolek1.duckdns.org | tcp |
| US | 8.8.8.8:53 | zekeriyasolek45.duckdns.org | udp |
| RU | 194.147.140.212:4787 | zekeriyasolek45.duckdns.org | tcp |
| NL | 103.212.81.157:4787 | elastsolek1.duckdns.org | tcp |
| RU | 194.147.140.212:4787 | tcp |
Files
memory/2072-63-0x0000000000320000-0x0000000000321000-memory.dmp
C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Startup\Angebotsanfrage.jar
| MD5 | faca6e93d8a5c02606c8625e396d671a |
| SHA1 | facef2a7e438285af6037c1c37b4e5eb1c41b54a |
| SHA256 | 7ec876784f3dd0ae0fecdc23e3ec76fc7a61218dda76f805e62d1a3f87e9a1b4 |
| SHA512 | 617f23642637c7e9d16868cf81a5af97df4ebd1b5134c32447b9f7d1f23adf6dacd1a215f2b9f50eb0de999ea0b1a7f0559994268997dad66362a9af399c707a |
C:\Users\Admin\AppData\Roaming\Angebotsanfrage.jar
| MD5 | faca6e93d8a5c02606c8625e396d671a |
| SHA1 | facef2a7e438285af6037c1c37b4e5eb1c41b54a |
| SHA256 | 7ec876784f3dd0ae0fecdc23e3ec76fc7a61218dda76f805e62d1a3f87e9a1b4 |
| SHA512 | 617f23642637c7e9d16868cf81a5af97df4ebd1b5134c32447b9f7d1f23adf6dacd1a215f2b9f50eb0de999ea0b1a7f0559994268997dad66362a9af399c707a |
memory/2844-80-0x0000000000220000-0x0000000000221000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2023-07-13 05:44
Reported
2023-07-13 05:46
Platform
win10v2004-20230703-en
Max time kernel
149s
Max time network
154s
Command Line
Signatures
STRRAT
Drops startup file
| Description | Indicator | Process | Target |
| File created | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Angebotsanfrage.jar | C:\ProgramData\Oracle\Java\javapath\java.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Angebotsanfrage = "\"C:\\Program Files\\Java\\jre1.8.0_66\\bin\\javaw.exe\" -jar \"C:\\Users\\Admin\\AppData\\Roaming\\Angebotsanfrage.jar\"" | C:\ProgramData\Oracle\Java\javapath\java.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-618519468-4027732583-1827558364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Angebotsanfrage = "\"C:\\Program Files\\Java\\jre1.8.0_66\\bin\\javaw.exe\" -jar \"C:\\Users\\Admin\\AppData\\Roaming\\Angebotsanfrage.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 4328 wrote to memory of 3340 | N/A | C:\ProgramData\Oracle\Java\javapath\java.exe | C:\Windows\SYSTEM32\cmd.exe |
| PID 4328 wrote to memory of 3340 | N/A | C:\ProgramData\Oracle\Java\javapath\java.exe | C:\Windows\SYSTEM32\cmd.exe |
| PID 4328 wrote to memory of 3356 | N/A | C:\ProgramData\Oracle\Java\javapath\java.exe | C:\Program Files\Java\jre1.8.0_66\bin\java.exe |
| PID 4328 wrote to memory of 3356 | N/A | C:\ProgramData\Oracle\Java\javapath\java.exe | C:\Program Files\Java\jre1.8.0_66\bin\java.exe |
| PID 3340 wrote to memory of 2824 | N/A | C:\Windows\SYSTEM32\cmd.exe | C:\Windows\system32\schtasks.exe |
| PID 3340 wrote to memory of 2824 | 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\Angebotsanfrage.jar
C:\Windows\SYSTEM32\cmd.exe
cmd /c schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\Angebotsanfrage.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\Angebotsanfrage.jar"
C:\Windows\system32\schtasks.exe
schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\Angebotsanfrage.jar"
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 | 158.240.127.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 8.3.197.209.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 69.31.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.154.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | elastsolek1.duckdns.org | udp |
| NL | 103.212.81.157:4787 | elastsolek1.duckdns.org | tcp |
| US | 8.8.8.8:53 | 41.110.16.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 57.169.31.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 69.121.18.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | zekeriyasolek45.duckdns.org | udp |
| RU | 194.147.140.212:4787 | zekeriyasolek45.duckdns.org | tcp |
| NL | 103.212.81.157:4787 | elastsolek1.duckdns.org | tcp |
| US | 8.8.8.8:53 | 183.59.114.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 198.187.3.20.in-addr.arpa | udp |
| RU | 194.147.140.212:4787 | zekeriyasolek45.duckdns.org | tcp |
| NL | 103.212.81.157:4787 | elastsolek1.duckdns.org | tcp |
| RU | 194.147.140.212:4787 | zekeriyasolek45.duckdns.org | tcp |
| NL | 103.212.81.157:4787 | elastsolek1.duckdns.org | tcp |
| RU | 194.147.140.212:4787 | zekeriyasolek45.duckdns.org | tcp |
| NL | 103.212.81.157:4787 | elastsolek1.duckdns.org | tcp |
| RU | 194.147.140.212:4787 | zekeriyasolek45.duckdns.org | tcp |
| NL | 103.212.81.157:4787 | elastsolek1.duckdns.org | tcp |
| RU | 194.147.140.212:4787 | zekeriyasolek45.duckdns.org | tcp |
| NL | 103.212.81.157:4787 | elastsolek1.duckdns.org | tcp |
| RU | 194.147.140.212:4787 | zekeriyasolek45.duckdns.org | tcp |
| NL | 103.212.81.157:4787 | elastsolek1.duckdns.org | tcp |
| RU | 194.147.140.212:4787 | zekeriyasolek45.duckdns.org | tcp |
| NL | 103.212.81.157:4787 | elastsolek1.duckdns.org | tcp |
| RU | 194.147.140.212:4787 | zekeriyasolek45.duckdns.org | tcp |
| NL | 103.212.81.157:4787 | elastsolek1.duckdns.org | tcp |
| RU | 194.147.140.212:4787 | zekeriyasolek45.duckdns.org | tcp |
| NL | 103.212.81.157:4787 | elastsolek1.duckdns.org | tcp |
| RU | 194.147.140.212:4787 | zekeriyasolek45.duckdns.org | tcp |
| US | 8.8.8.8:53 | 10.173.189.20.in-addr.arpa | udp |
| NL | 103.212.81.157:4787 | elastsolek1.duckdns.org | tcp |
| RU | 194.147.140.212:4787 | zekeriyasolek45.duckdns.org | tcp |
| NL | 103.212.81.157:4787 | elastsolek1.duckdns.org | tcp |
| RU | 194.147.140.212:4787 | zekeriyasolek45.duckdns.org | tcp |
| US | 8.8.8.8:53 | elastsolek1.duckdns.org | udp |
| NL | 103.212.81.157:4787 | elastsolek1.duckdns.org | tcp |
| US | 8.8.8.8:53 | 17.160.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.35.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 38.148.119.40.in-addr.arpa | udp |
Files
memory/4328-143-0x0000000002950000-0x0000000002951000-memory.dmp
C:\ProgramData\Microsoft\Windows\Start Menu\Programs\StartUp\Angebotsanfrage.jar
| MD5 | faca6e93d8a5c02606c8625e396d671a |
| SHA1 | facef2a7e438285af6037c1c37b4e5eb1c41b54a |
| SHA256 | 7ec876784f3dd0ae0fecdc23e3ec76fc7a61218dda76f805e62d1a3f87e9a1b4 |
| SHA512 | 617f23642637c7e9d16868cf81a5af97df4ebd1b5134c32447b9f7d1f23adf6dacd1a215f2b9f50eb0de999ea0b1a7f0559994268997dad66362a9af399c707a |
C:\Users\Admin\AppData\Roaming\Angebotsanfrage.jar
| MD5 | faca6e93d8a5c02606c8625e396d671a |
| SHA1 | facef2a7e438285af6037c1c37b4e5eb1c41b54a |
| SHA256 | 7ec876784f3dd0ae0fecdc23e3ec76fc7a61218dda76f805e62d1a3f87e9a1b4 |
| SHA512 | 617f23642637c7e9d16868cf81a5af97df4ebd1b5134c32447b9f7d1f23adf6dacd1a215f2b9f50eb0de999ea0b1a7f0559994268997dad66362a9af399c707a |
C:\Users\Admin\.oracle_jre_usage\90737d32e3aba4b.timestamp
| MD5 | 995196e2c9a5aec0802d6c969bf26298 |
| SHA1 | 34ea94241534d3c79c1bcd98b0b4e1f038acbc39 |
| SHA256 | d8cb69245bb875653161f6d6256be51bff1361dcec4254c9d88ab16c759e9312 |
| SHA512 | 859c2e791a957c2a57c835bbe6d85e04e9bd34f51002c60e880c585178e7380fc4762896a5170a94dcb85a91d0b199ae426635bab6851db86f438f093791c508 |
memory/3356-167-0x0000000002920000-0x0000000002921000-memory.dmp