Analysis Overview
SHA256
4b8d0b78d89d1907b33b64cd146900580c7d50771ad7f224c4aaebec14eb3212
Threat Level: Known bad
The file PaymentAdvicejarjarjar.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
2023-06-30 14:09
Signatures
Analysis: behavioral1
Detonation Overview
Submitted
2023-06-30 14:09
Reported
2023-06-30 14:11
Platform
win7-20230621-en
Max time kernel
83s
Max time network
33s
Command Line
Signatures
STRRAT
Drops startup file
| Description | Indicator | Process | Target |
| File created | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\PaymentAdvicejarjarjar.jar | C:\Windows\system32\java.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-3950455397-3229124517-1686476975-1000\Software\Microsoft\Windows\CurrentVersion\Run\PaymentAdvicejarjarjar = "\"C:\\Program Files\\Java\\jre7\\bin\\javaw.exe\" -jar \"C:\\Users\\Admin\\AppData\\Roaming\\PaymentAdvicejarjarjar.jar\"" | C:\Windows\system32\java.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\PaymentAdvicejarjarjar = "\"C:\\Program Files\\Java\\jre7\\bin\\javaw.exe\" -jar \"C:\\Users\\Admin\\AppData\\Roaming\\PaymentAdvicejarjarjar.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 1016 wrote to memory of 112 | N/A | C:\Windows\system32\java.exe | C:\Windows\system32\cmd.exe |
| PID 1016 wrote to memory of 112 | N/A | C:\Windows\system32\java.exe | C:\Windows\system32\cmd.exe |
| PID 1016 wrote to memory of 112 | N/A | C:\Windows\system32\java.exe | C:\Windows\system32\cmd.exe |
| PID 1016 wrote to memory of 1676 | N/A | C:\Windows\system32\java.exe | C:\Program Files\Java\jre7\bin\java.exe |
| PID 1016 wrote to memory of 1676 | N/A | C:\Windows\system32\java.exe | C:\Program Files\Java\jre7\bin\java.exe |
| PID 1016 wrote to memory of 1676 | N/A | C:\Windows\system32\java.exe | C:\Program Files\Java\jre7\bin\java.exe |
| PID 112 wrote to memory of 472 | N/A | C:\Windows\system32\cmd.exe | C:\Windows\system32\schtasks.exe |
| PID 112 wrote to memory of 472 | N/A | C:\Windows\system32\cmd.exe | C:\Windows\system32\schtasks.exe |
| PID 112 wrote to memory of 472 | 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\PaymentAdvicejarjarjar.jar
C:\Windows\system32\cmd.exe
cmd /c schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\PaymentAdvicejarjarjar.jar"
C:\Program Files\Java\jre7\bin\java.exe
"C:\Program Files\Java\jre7\bin\java.exe" -jar "C:\Users\Admin\AppData\Roaming\PaymentAdvicejarjarjar.jar"
C:\Windows\system32\schtasks.exe
schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\PaymentAdvicejarjarjar.jar"
Network
Files
memory/1016-63-0x0000000000120000-0x0000000000121000-memory.dmp
C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Startup\PaymentAdvicejarjarjar.jar
| MD5 | 4761d770468b1b41eb0aa26c57e4e605 |
| SHA1 | d5674e55de3521a89b9e0b04bac2b96bf7d187f4 |
| SHA256 | 4b8d0b78d89d1907b33b64cd146900580c7d50771ad7f224c4aaebec14eb3212 |
| SHA512 | 4feb251474ac747ff07df3a29c1c70ba0781df2759e90352433500b03143e8f78273087dc17c660b32c7cb62fa5d975daef10dfae52bfb7729d5a007fa8f472c |
C:\Users\Admin\AppData\Roaming\PaymentAdvicejarjarjar.jar
| MD5 | 4761d770468b1b41eb0aa26c57e4e605 |
| SHA1 | d5674e55de3521a89b9e0b04bac2b96bf7d187f4 |
| SHA256 | 4b8d0b78d89d1907b33b64cd146900580c7d50771ad7f224c4aaebec14eb3212 |
| SHA512 | 4feb251474ac747ff07df3a29c1c70ba0781df2759e90352433500b03143e8f78273087dc17c660b32c7cb62fa5d975daef10dfae52bfb7729d5a007fa8f472c |
Analysis: behavioral2
Detonation Overview
Submitted
2023-06-30 14:09
Reported
2023-06-30 14:11
Platform
win10v2004-20230621-en
Max time kernel
149s
Max time network
146s
Command Line
Signatures
STRRAT
Drops startup file
| Description | Indicator | Process | Target |
| File created | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\PaymentAdvicejarjarjar.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-1-5-21-922299981-3641064733-3870770889-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\PaymentAdvicejarjarjar = "\"C:\\Program Files\\Java\\jre1.8.0_66\\bin\\javaw.exe\" -jar \"C:\\Users\\Admin\\AppData\\Roaming\\PaymentAdvicejarjarjar.jar\"" | C:\ProgramData\Oracle\Java\javapath\java.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\PaymentAdvicejarjarjar = "\"C:\\Program Files\\Java\\jre1.8.0_66\\bin\\javaw.exe\" -jar \"C:\\Users\\Admin\\AppData\\Roaming\\PaymentAdvicejarjarjar.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 5072 wrote to memory of 1952 | N/A | C:\ProgramData\Oracle\Java\javapath\java.exe | C:\Windows\SYSTEM32\cmd.exe |
| PID 5072 wrote to memory of 1952 | N/A | C:\ProgramData\Oracle\Java\javapath\java.exe | C:\Windows\SYSTEM32\cmd.exe |
| PID 5072 wrote to memory of 5092 | N/A | C:\ProgramData\Oracle\Java\javapath\java.exe | C:\Program Files\Java\jre1.8.0_66\bin\java.exe |
| PID 5072 wrote to memory of 5092 | N/A | C:\ProgramData\Oracle\Java\javapath\java.exe | C:\Program Files\Java\jre1.8.0_66\bin\java.exe |
| PID 1952 wrote to memory of 4012 | N/A | C:\Windows\SYSTEM32\cmd.exe | C:\Windows\system32\schtasks.exe |
| PID 1952 wrote to memory of 4012 | 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\PaymentAdvicejarjarjar.jar
C:\Windows\SYSTEM32\cmd.exe
cmd /c schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\PaymentAdvicejarjarjar.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\PaymentAdvicejarjarjar.jar"
C:\Windows\system32\schtasks.exe
schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\PaymentAdvicejarjarjar.jar"
Network
| Country | Destination | Domain | Proto |
| US | 209.197.3.8:80 | tcp | |
| US | 8.8.8.8:53 | 146.78.124.51.in-addr.arpa | udp |
| US | 209.197.3.8:80 | tcp | |
| US | 209.197.3.8:80 | tcp | |
| US | 8.8.8.8:53 | 26.35.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 71.31.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | efcc.duckdns.org | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 64.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 54.120.234.20.in-addr.arpa | udp |
| US | 79.110.49.161:1243 | efcc.duckdns.org | tcp |
| US | 8.8.8.8:53 | 171.39.242.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 158.240.127.40.in-addr.arpa | udp |
| US | 209.197.3.8:80 | tcp | |
| US | 209.197.3.8:80 | tcp | |
| US | 8.8.8.8:53 | 64.13.109.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 59.128.231.4.in-addr.arpa | udp |
| N/A | 127.0.0.1:1243 | tcp | |
| GB | 96.16.110.41:443 | 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 | |
| US | 79.110.49.161:1243 | efcc.duckdns.org | tcp |
| US | 8.8.8.8:53 | 202.74.101.95.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 |
Files
memory/5072-143-0x0000000002390000-0x0000000002391000-memory.dmp
C:\ProgramData\Microsoft\Windows\Start Menu\Programs\StartUp\PaymentAdvicejarjarjar.jar
| MD5 | 4761d770468b1b41eb0aa26c57e4e605 |
| SHA1 | d5674e55de3521a89b9e0b04bac2b96bf7d187f4 |
| SHA256 | 4b8d0b78d89d1907b33b64cd146900580c7d50771ad7f224c4aaebec14eb3212 |
| SHA512 | 4feb251474ac747ff07df3a29c1c70ba0781df2759e90352433500b03143e8f78273087dc17c660b32c7cb62fa5d975daef10dfae52bfb7729d5a007fa8f472c |
C:\Users\Admin\AppData\Roaming\PaymentAdvicejarjarjar.jar
| MD5 | 4761d770468b1b41eb0aa26c57e4e605 |
| SHA1 | d5674e55de3521a89b9e0b04bac2b96bf7d187f4 |
| SHA256 | 4b8d0b78d89d1907b33b64cd146900580c7d50771ad7f224c4aaebec14eb3212 |
| SHA512 | 4feb251474ac747ff07df3a29c1c70ba0781df2759e90352433500b03143e8f78273087dc17c660b32c7cb62fa5d975daef10dfae52bfb7729d5a007fa8f472c |
C:\Users\Admin\.oracle_jre_usage\90737d32e3aba4b.timestamp
| MD5 | 7f1484f271c0fd35737c9e72fd20f913 |
| SHA1 | 386337ec01515dded67927e66a8486c630c49c5c |
| SHA256 | eeab636c016040a19eb2dd05eb75a7326607a5503610568fa4c14b683586866d |
| SHA512 | 754e2a21829390e5fad842ff5348f62fafb6a9547397bb8a2909e590cf88723f15ac8abd61854486ed838b78201aec22638c0f48a1af34c2792095560f057da0 |
memory/5092-165-0x0000000000AE0000-0x0000000000AE1000-memory.dmp
memory/5092-166-0x0000000000AE0000-0x0000000000AE1000-memory.dmp