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
Creates scheduled task(s)
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
MITRE ATT&CK
Enterprise Matrix V6
Analysis: static1
Detonation Overview
Reported
2023-07-13 04:30
Signatures
Analysis: behavioral2
Detonation Overview
Submitted
2023-07-13 04:30
Reported
2023-07-13 04:32
Platform
win10v2004-20230703-en
Max time kernel
145s
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:\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 4060 wrote to memory of 3444 | N/A | C:\ProgramData\Oracle\Java\javapath\java.exe | C:\Windows\SYSTEM32\cmd.exe |
| PID 4060 wrote to memory of 3444 | N/A | C:\ProgramData\Oracle\Java\javapath\java.exe | C:\Windows\SYSTEM32\cmd.exe |
| PID 4060 wrote to memory of 3928 | N/A | C:\ProgramData\Oracle\Java\javapath\java.exe | C:\Program Files\Java\jre1.8.0_66\bin\java.exe |
| PID 4060 wrote to memory of 3928 | N/A | C:\ProgramData\Oracle\Java\javapath\java.exe | C:\Program Files\Java\jre1.8.0_66\bin\java.exe |
| PID 3444 wrote to memory of 4380 | N/A | C:\Windows\SYSTEM32\cmd.exe | C:\Windows\system32\schtasks.exe |
| PID 3444 wrote to memory of 4380 | 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 | 208.194.73.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 75.159.190.20.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 | 95.221.229.192.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 | 86.23.85.13.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 |
| 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 | 254.209.247.8.in-addr.arpa | 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 | 86.8.109.52.in-addr.arpa | udp |
| 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 |
| 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 |
| US | 8.8.8.8:53 | zekeriyasolek45.duckdns.org | udp |
| RU | 194.147.140.212:4787 | zekeriyasolek45.duckdns.org | tcp |
| US | 8.8.8.8:53 | 226.162.46.104.in-addr.arpa | udp |
| NL | 103.212.81.157:4787 | elastsolek1.duckdns.org | tcp |
| RU | 194.147.140.212:4787 | zekeriyasolek45.duckdns.org | tcp |
Files
C:\ProgramData\Microsoft\Windows\Start Menu\Programs\StartUp\Angebotsanfrage.jar
| MD5 | faca6e93d8a5c02606c8625e396d671a |
| SHA1 | facef2a7e438285af6037c1c37b4e5eb1c41b54a |
| SHA256 | 7ec876784f3dd0ae0fecdc23e3ec76fc7a61218dda76f805e62d1a3f87e9a1b4 |
| SHA512 | 617f23642637c7e9d16868cf81a5af97df4ebd1b5134c32447b9f7d1f23adf6dacd1a215f2b9f50eb0de999ea0b1a7f0559994268997dad66362a9af399c707a |
memory/4060-151-0x0000000002050000-0x0000000002051000-memory.dmp
C:\Users\Admin\AppData\Roaming\Angebotsanfrage.jar
| MD5 | faca6e93d8a5c02606c8625e396d671a |
| SHA1 | facef2a7e438285af6037c1c37b4e5eb1c41b54a |
| SHA256 | 7ec876784f3dd0ae0fecdc23e3ec76fc7a61218dda76f805e62d1a3f87e9a1b4 |
| SHA512 | 617f23642637c7e9d16868cf81a5af97df4ebd1b5134c32447b9f7d1f23adf6dacd1a215f2b9f50eb0de999ea0b1a7f0559994268997dad66362a9af399c707a |
C:\Users\Admin\.oracle_jre_usage\90737d32e3aba4b.timestamp
| MD5 | 6040801feeed4814cb2eb165ce2b2f64 |
| SHA1 | 04ed68a057fe74342239cd2b43cd9f3217ab7537 |
| SHA256 | b85b8caf0502d01bd21079770039c66ef8a454d72622935f1595b5026d494b25 |
| SHA512 | eb1820076dce683e9f5701bc38cf8b6219fa3cf494fd409b8abb36492aa06b6049017454ef39f95c354f2b59e7ca7a9b3480658f56c6f582a6b1c8b07aae5652 |
memory/3928-167-0x0000000002860000-0x0000000002861000-memory.dmp
Analysis: behavioral1
Detonation Overview
Submitted
2023-07-13 04:30
Reported
2023-07-13 04:32
Platform
win7-20230712-en
Max time kernel
122s
Max time network
125s
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\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 |
| Set value (str) | \REGISTRY\USER\S-1-5-21-1024678951-1535676557-2778719785-1000\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 |
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 2296 wrote to memory of 3048 | N/A | C:\Windows\system32\java.exe | C:\Windows\system32\cmd.exe |
| PID 2296 wrote to memory of 3048 | N/A | C:\Windows\system32\java.exe | C:\Windows\system32\cmd.exe |
| PID 2296 wrote to memory of 3048 | N/A | C:\Windows\system32\java.exe | C:\Windows\system32\cmd.exe |
| PID 2296 wrote to memory of 2416 | N/A | C:\Windows\system32\java.exe | C:\Program Files\Java\jre7\bin\java.exe |
| PID 2296 wrote to memory of 2416 | N/A | C:\Windows\system32\java.exe | C:\Program Files\Java\jre7\bin\java.exe |
| PID 2296 wrote to memory of 2416 | N/A | C:\Windows\system32\java.exe | C:\Program Files\Java\jre7\bin\java.exe |
| PID 3048 wrote to memory of 2516 | N/A | C:\Windows\system32\cmd.exe | C:\Windows\system32\schtasks.exe |
| PID 3048 wrote to memory of 2516 | N/A | C:\Windows\system32\cmd.exe | C:\Windows\system32\schtasks.exe |
| PID 3048 wrote to memory of 2516 | 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
Files
memory/2296-63-0x0000000000320000-0x0000000000321000-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/2416-80-0x0000000000120000-0x0000000000121000-memory.dmp