Analysis Overview
SHA256
10eaa98e8643cf303011d5305ea11337e90fa86dd5ce017c970d0f368465c70b
Threat Level: Known bad
The file Payment0627jar.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
2023-06-27 14:20
Signatures
Analysis: behavioral2
Detonation Overview
Submitted
2023-06-27 14:20
Reported
2023-06-27 14:22
Platform
win10v2004-20230621-en
Max time kernel
133s
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\Payment0627jar.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\Payment0627jar = "\"C:\\Program Files\\Java\\jre1.8.0_66\\bin\\javaw.exe\" -jar \"C:\\Users\\Admin\\AppData\\Roaming\\Payment0627jar.jar\"" | C:\ProgramData\Oracle\Java\javapath\java.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Payment0627jar = "\"C:\\Program Files\\Java\\jre1.8.0_66\\bin\\javaw.exe\" -jar \"C:\\Users\\Admin\\AppData\\Roaming\\Payment0627jar.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 1332 wrote to memory of 4600 | N/A | C:\ProgramData\Oracle\Java\javapath\java.exe | C:\Windows\SYSTEM32\cmd.exe |
| PID 1332 wrote to memory of 4600 | N/A | C:\ProgramData\Oracle\Java\javapath\java.exe | C:\Windows\SYSTEM32\cmd.exe |
| PID 1332 wrote to memory of 632 | N/A | C:\ProgramData\Oracle\Java\javapath\java.exe | C:\Program Files\Java\jre1.8.0_66\bin\java.exe |
| PID 1332 wrote to memory of 632 | N/A | C:\ProgramData\Oracle\Java\javapath\java.exe | C:\Program Files\Java\jre1.8.0_66\bin\java.exe |
| PID 4600 wrote to memory of 4716 | N/A | C:\Windows\SYSTEM32\cmd.exe | C:\Windows\system32\schtasks.exe |
| PID 4600 wrote to memory of 4716 | 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\Payment0627jar.jar
C:\Windows\SYSTEM32\cmd.exe
cmd /c schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\Payment0627jar.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\Payment0627jar.jar"
C:\Windows\system32\schtasks.exe
schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\Payment0627jar.jar"
Network
| Country | Destination | Domain | Proto |
| US | 192.229.221.95:80 | tcp | |
| US | 8.8.8.8:53 | 1.202.248.87.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 | 20.160.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.154.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 75.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 41.110.16.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 105.104.123.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 198.187.3.20.in-addr.arpa | udp |
| US | 20.42.65.90:443 | 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 | 86.8.109.52.in-addr.arpa | udp |
| US | 209.197.3.8:80 | 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 | |
| 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 |
Files
memory/1332-143-0x0000000002F10000-0x0000000002F11000-memory.dmp
C:\ProgramData\Microsoft\Windows\Start Menu\Programs\StartUp\Payment0627jar.jar
| MD5 | 0a257f1b297660ebf8f981550c5bfcfe |
| SHA1 | 7b65e7feb8dde2b10c2ba4978df6951cd2c40225 |
| SHA256 | 10eaa98e8643cf303011d5305ea11337e90fa86dd5ce017c970d0f368465c70b |
| SHA512 | 789bd5cef389d75db29f699c72aebefa4dcd6ab5ea91fee208a1890beb076064816c5ea7eef6c9b3892e158799c245ac2245a49b7b36b9ca3d88a408908ad130 |
C:\Users\Admin\AppData\Roaming\Payment0627jar.jar
| MD5 | 0a257f1b297660ebf8f981550c5bfcfe |
| SHA1 | 7b65e7feb8dde2b10c2ba4978df6951cd2c40225 |
| SHA256 | 10eaa98e8643cf303011d5305ea11337e90fa86dd5ce017c970d0f368465c70b |
| SHA512 | 789bd5cef389d75db29f699c72aebefa4dcd6ab5ea91fee208a1890beb076064816c5ea7eef6c9b3892e158799c245ac2245a49b7b36b9ca3d88a408908ad130 |
C:\Users\Admin\.oracle_jre_usage\90737d32e3aba4b.timestamp
| MD5 | e2fb17381d7c0d5848659f227e867890 |
| SHA1 | a4685f93552823205025cac3fabb888e3c414a4d |
| SHA256 | 03dbd3fb49bc1b11132891a254e0beaf32c672f70e077faf767e0eefea782595 |
| SHA512 | efd0d3b9bc285e68772a07fcd128699cdca56de444c074071e052aa1dec5872241f671e78435c0ae39f5dcf0397d1c69e2c0f9cc45740bbc0e6bcad82a474647 |
memory/632-163-0x00000000015B0000-0x00000000015B1000-memory.dmp
Analysis: behavioral1
Detonation Overview
Submitted
2023-06-27 14:20
Reported
2023-06-27 14:22
Platform
win7-20230621-en
Max time kernel
146s
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\Payment0627jar.jar | C:\Windows\system32\java.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-1306246566-3334493410-3785284834-1000\Software\Microsoft\Windows\CurrentVersion\Run\Payment0627jar = "\"C:\\Program Files\\Java\\jre7\\bin\\javaw.exe\" -jar \"C:\\Users\\Admin\\AppData\\Roaming\\Payment0627jar.jar\"" | C:\Windows\system32\java.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Payment0627jar = "\"C:\\Program Files\\Java\\jre7\\bin\\javaw.exe\" -jar \"C:\\Users\\Admin\\AppData\\Roaming\\Payment0627jar.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 2032 wrote to memory of 1416 | N/A | C:\Windows\system32\java.exe | C:\Windows\system32\cmd.exe |
| PID 2032 wrote to memory of 1416 | N/A | C:\Windows\system32\java.exe | C:\Windows\system32\cmd.exe |
| PID 2032 wrote to memory of 1416 | N/A | C:\Windows\system32\java.exe | C:\Windows\system32\cmd.exe |
| PID 2032 wrote to memory of 2008 | N/A | C:\Windows\system32\java.exe | C:\Program Files\Java\jre7\bin\java.exe |
| PID 2032 wrote to memory of 2008 | N/A | C:\Windows\system32\java.exe | C:\Program Files\Java\jre7\bin\java.exe |
| PID 2032 wrote to memory of 2008 | N/A | C:\Windows\system32\java.exe | C:\Program Files\Java\jre7\bin\java.exe |
| PID 1416 wrote to memory of 904 | N/A | C:\Windows\system32\cmd.exe | C:\Windows\system32\schtasks.exe |
| PID 1416 wrote to memory of 904 | N/A | C:\Windows\system32\cmd.exe | C:\Windows\system32\schtasks.exe |
| PID 1416 wrote to memory of 904 | 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\Payment0627jar.jar
C:\Windows\system32\cmd.exe
cmd /c schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\Payment0627jar.jar"
C:\Program Files\Java\jre7\bin\java.exe
"C:\Program Files\Java\jre7\bin\java.exe" -jar "C:\Users\Admin\AppData\Roaming\Payment0627jar.jar"
C:\Windows\system32\schtasks.exe
schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\Payment0627jar.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 | |
| US | 79.110.49.161:1243 | efcc.duckdns.org | tcp |
Files
memory/2032-63-0x0000000000120000-0x0000000000121000-memory.dmp
C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Startup\Payment0627jar.jar
| MD5 | 0a257f1b297660ebf8f981550c5bfcfe |
| SHA1 | 7b65e7feb8dde2b10c2ba4978df6951cd2c40225 |
| SHA256 | 10eaa98e8643cf303011d5305ea11337e90fa86dd5ce017c970d0f368465c70b |
| SHA512 | 789bd5cef389d75db29f699c72aebefa4dcd6ab5ea91fee208a1890beb076064816c5ea7eef6c9b3892e158799c245ac2245a49b7b36b9ca3d88a408908ad130 |
C:\Users\Admin\AppData\Roaming\Payment0627jar.jar
| MD5 | 0a257f1b297660ebf8f981550c5bfcfe |
| SHA1 | 7b65e7feb8dde2b10c2ba4978df6951cd2c40225 |
| SHA256 | 10eaa98e8643cf303011d5305ea11337e90fa86dd5ce017c970d0f368465c70b |
| SHA512 | 789bd5cef389d75db29f699c72aebefa4dcd6ab5ea91fee208a1890beb076064816c5ea7eef6c9b3892e158799c245ac2245a49b7b36b9ca3d88a408908ad130 |
memory/2008-80-0x0000000000130000-0x0000000000131000-memory.dmp