Analysis Overview
SHA256
b08c54a7e2fb3ec6c31f0332b762e51b556d91f0d7cbe7745f5c417206f59d02
Threat Level: Known bad
The file P.O-EPEC-1746.jar was found to be: Known bad.
Malicious Activity Summary
STRRAT
Drops startup file
Loads dropped DLL
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
2023-07-04 06:58
Signatures
Analysis: behavioral1
Detonation Overview
Submitted
2023-07-04 06:58
Reported
2023-07-04 07:00
Platform
win7-20230703-en
Max time kernel
153s
Max time network
143s
Command Line
Signatures
Processes
C:\Windows\system32\java.exe
java -jar C:\Users\Admin\AppData\Local\Temp\P.O-EPEC-1746.jar
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | repo1.maven.org | udp |
| US | 8.8.8.8:53 | github.com | udp |
| US | 199.232.192.209:443 | repo1.maven.org | tcp |
| US | 199.232.192.209:443 | repo1.maven.org | tcp |
| US | 199.232.192.209:443 | repo1.maven.org | tcp |
| US | 140.82.112.3:443 | github.com | tcp |
| US | 140.82.112.3:443 | github.com | tcp |
| US | 140.82.112.3:443 | github.com | tcp |
| US | 140.82.112.3:443 | github.com | tcp |
| US | 140.82.112.3:443 | github.com | tcp |
| US | 140.82.112.3:443 | github.com | tcp |
| US | 140.82.112.3:443 | github.com | tcp |
| US | 8.8.8.8:53 | github.com | udp |
| US | 140.82.112.4:443 | github.com | tcp |
| US | 140.82.112.4:443 | github.com | tcp |
| US | 140.82.112.4:443 | github.com | tcp |
| US | 140.82.112.4:443 | github.com | tcp |
| US | 140.82.112.4:443 | github.com | tcp |
| US | 140.82.112.4:443 | github.com | tcp |
| US | 140.82.112.4:443 | github.com | tcp |
| US | 140.82.112.4:443 | github.com | tcp |
| US | 140.82.112.4:443 | github.com | tcp |
| US | 8.8.8.8:53 | github.com | udp |
| US | 140.82.112.3:443 | github.com | tcp |
| US | 140.82.112.3:443 | github.com | tcp |
| US | 140.82.112.3:443 | github.com | tcp |
| US | 140.82.112.3:443 | github.com | tcp |
| US | 140.82.112.3:443 | github.com | tcp |
| US | 140.82.112.3:443 | github.com | tcp |
| US | 140.82.112.3:443 | github.com | tcp |
| US | 140.82.112.3:443 | github.com | tcp |
| US | 140.82.112.3:443 | github.com | tcp |
Files
memory/3008-63-0x0000000000120000-0x0000000000121000-memory.dmp
memory/3008-70-0x0000000000120000-0x0000000000121000-memory.dmp
memory/3008-71-0x0000000000120000-0x0000000000121000-memory.dmp
memory/3008-75-0x0000000000120000-0x0000000000121000-memory.dmp
memory/3008-77-0x0000000000120000-0x0000000000121000-memory.dmp
memory/3008-79-0x0000000000120000-0x0000000000121000-memory.dmp
memory/3008-84-0x0000000000120000-0x0000000000121000-memory.dmp
memory/3008-85-0x0000000000120000-0x0000000000121000-memory.dmp
memory/3008-94-0x0000000000120000-0x0000000000121000-memory.dmp
memory/3008-99-0x0000000000120000-0x0000000000121000-memory.dmp
memory/3008-102-0x0000000000120000-0x0000000000121000-memory.dmp
memory/3008-106-0x0000000000120000-0x0000000000121000-memory.dmp
memory/3008-110-0x0000000000120000-0x0000000000121000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2023-07-04 06:58
Reported
2023-07-04 07:00
Platform
win10v2004-20230703-en
Max time kernel
146s
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\P.O-EPEC-1746.jar | C:\Program Files\Java\jre1.8.0_66\bin\java.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Program Files\Java\jre1.8.0_66\bin\java.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-3195054982-4292022746-1467505928-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\P.O-EPEC-1746 = "\"C:\\Program Files\\Java\\jre1.8.0_66\\bin\\javaw.exe\" -jar \"C:\\Users\\Admin\\AppData\\Roaming\\P.O-EPEC-1746.jar\"" | C:\Program Files\Java\jre1.8.0_66\bin\java.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\P.O-EPEC-1746 = "\"C:\\Program Files\\Java\\jre1.8.0_66\\bin\\javaw.exe\" -jar \"C:\\Users\\Admin\\AppData\\Roaming\\P.O-EPEC-1746.jar\"" | C:\Program Files\Java\jre1.8.0_66\bin\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 4764 wrote to memory of 3552 | N/A | C:\ProgramData\Oracle\Java\javapath\java.exe | C:\Program Files\Java\jre1.8.0_66\bin\java.exe |
| PID 4764 wrote to memory of 3552 | N/A | C:\ProgramData\Oracle\Java\javapath\java.exe | C:\Program Files\Java\jre1.8.0_66\bin\java.exe |
| PID 3552 wrote to memory of 3712 | N/A | C:\Program Files\Java\jre1.8.0_66\bin\java.exe | C:\Windows\SYSTEM32\cmd.exe |
| PID 3552 wrote to memory of 3712 | N/A | C:\Program Files\Java\jre1.8.0_66\bin\java.exe | C:\Windows\SYSTEM32\cmd.exe |
| PID 3552 wrote to memory of 3612 | N/A | C:\Program Files\Java\jre1.8.0_66\bin\java.exe | C:\Program Files\Java\jre1.8.0_66\bin\java.exe |
| PID 3552 wrote to memory of 3612 | N/A | C:\Program Files\Java\jre1.8.0_66\bin\java.exe | C:\Program Files\Java\jre1.8.0_66\bin\java.exe |
| PID 3712 wrote to memory of 4652 | N/A | C:\Windows\SYSTEM32\cmd.exe | C:\Windows\system32\schtasks.exe |
| PID 3712 wrote to memory of 4652 | 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\P.O-EPEC-1746.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\P.O-EPEC-1746.jar"
C:\Windows\SYSTEM32\cmd.exe
cmd /c schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\P.O-EPEC-1746.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\P.O-EPEC-1746.jar"
C:\Windows\system32\schtasks.exe
schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\P.O-EPEC-1746.jar"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | github.com | udp |
| US | 8.8.8.8:53 | repo1.maven.org | udp |
| US | 199.232.192.209:443 | repo1.maven.org | tcp |
| US | 199.232.192.209:443 | repo1.maven.org | tcp |
| US | 199.232.192.209:443 | repo1.maven.org | tcp |
| US | 140.82.113.4:443 | github.com | tcp |
| US | 8.8.8.8:53 | 209.192.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 4.113.82.140.in-addr.arpa | udp |
| US | 8.8.8.8:53 | objects.githubusercontent.com | udp |
| US | 185.199.108.133:443 | objects.githubusercontent.com | tcp |
| US | 8.8.8.8:53 | 133.108.199.185.in-addr.arpa | udp |
| US | 8.8.8.8:53 | igw.myfirewall.org | udp |
| US | 79.110.49.9:5861 | igw.myfirewall.org | tcp |
| US | 79.110.49.9:5861 | igw.myfirewall.org | tcp |
Files
memory/4764-144-0x00000000014D0000-0x00000000014D1000-memory.dmp
memory/4764-164-0x00000000014D0000-0x00000000014D1000-memory.dmp
memory/4764-183-0x00000000014D0000-0x00000000014D1000-memory.dmp
memory/4764-185-0x00000000014D0000-0x00000000014D1000-memory.dmp
memory/4764-189-0x00000000014D0000-0x00000000014D1000-memory.dmp
memory/4764-190-0x00000000014D0000-0x00000000014D1000-memory.dmp
memory/4764-192-0x00000000014D0000-0x00000000014D1000-memory.dmp
memory/4764-197-0x00000000014D0000-0x00000000014D1000-memory.dmp
memory/4764-202-0x00000000014D0000-0x00000000014D1000-memory.dmp
memory/4764-209-0x00000000014D0000-0x00000000014D1000-memory.dmp
memory/4764-213-0x00000000014D0000-0x00000000014D1000-memory.dmp
memory/4764-216-0x00000000014D0000-0x00000000014D1000-memory.dmp
memory/4764-218-0x00000000014D0000-0x00000000014D1000-memory.dmp
memory/4764-228-0x00000000014D0000-0x00000000014D1000-memory.dmp
C:\Users\Admin\P.O-EPEC-1746.jar
| MD5 | d8688e230d5513f86999b93b84b2465b |
| SHA1 | 65dbdb665ff9144f7d4c2a80c6039be4781208c6 |
| SHA256 | b08c54a7e2fb3ec6c31f0332b762e51b556d91f0d7cbe7745f5c417206f59d02 |
| SHA512 | b9a7d75bc5afbb5322b69575dcafafd002431f41ecd97a34190eef5122cbe1d8615b302650e934bd123bc48a223abd323f4c9248986743c78d694e51af033123 |
C:\Users\Admin\lib\sqlite-jdbc-3.14.2.1.jar
| MD5 | b33387e15ab150a7bf560abdc73c3bec |
| SHA1 | 66b8075784131f578ef893fd7674273f709b9a4c |
| SHA256 | 2eae3dea1c3dde6104c49f9601074b6038ff6abcf3be23f4b56f6720a4f6a491 |
| SHA512 | 25cfb0d6ce35d0bcb18527d3aa12c63ecb2d9c1b8b78805d1306e516c13480b79bb0d74730aa93bd1752f9ac2da9fdd51781c48844cea2fd52a06c62852c8279 |
C:\Users\Admin\lib\jna-platform-5.5.0.jar
| MD5 | 2f4a99c2758e72ee2b59a73586a2322f |
| SHA1 | af38e7c4d0fc73c23ecd785443705bfdee5b90bf |
| SHA256 | 24d81621f82ac29fcdd9a74116031f5907a2343158e616f4573bbfa2434ae0d5 |
| SHA512 | b860459a0d3bf7ccb600a03aa1d2ac0358619ee89b2b96ed723541e182b6fdab53aefef7992acb4e03fca67aa47cbe3907b1e6060a60b57ed96c4e00c35c7494 |
C:\Users\Admin\lib\jna-5.5.0.jar
| MD5 | acfb5b5fd9ee10bf69497792fd469f85 |
| SHA1 | 0e0845217c4907822403912ad6828d8e0b256208 |
| SHA256 | b308faebfe4ed409de8410e0a632d164b2126b035f6eacff968d3908cafb4d9e |
| SHA512 | e52575f58a195ceb3bd16b9740eadf5bc5b1d4d63c0734e8e5fd1d1776aa2d068d2e4c7173b83803f95f72c0a6759ae1c9b65773c734250d4cfcdf47a19f82aa |
C:\Users\Admin\lib\system-hook-3.5.jar
| MD5 | e1aa38a1e78a76a6de73efae136cdb3a |
| SHA1 | c463da71871f780b2e2e5dba115d43953b537daf |
| SHA256 | 2ddda8af6faef8bde46acf43ec546603180bcf8dcb2e5591fff8ac9cd30b5609 |
| SHA512 | fee16fe9364926ec337e52f551fd62ed81984808a847de2fd68ff29b6c5da0dcc04ef6d8977f0fe675662a7d2ea1065cdcdd2a5259446226a7c7c5516bd7d60d |
C:\Users\Admin\.oracle_jre_usage\90737d32e3aba4b.timestamp
| MD5 | 79fa50b7d57684eda050fbb48901731a |
| SHA1 | 8e48b316f58693081d63b30adad3b88df47550dd |
| SHA256 | 461c0f5c6e357f944c619801140f610db8a82d5609b7eac81f0c4e9be9a940bf |
| SHA512 | b09c0a958ddb74e6c85bb2f349abd4a6d853298a26a1be353496816f5945d517816ffb4984599d82d3f249f4be01f5b1eb694e17117abb09be479900ccdbf1f4 |
memory/3552-247-0x0000000000D30000-0x0000000000D31000-memory.dmp
C:\Users\Admin\AppData\Roaming\P.O-EPEC-1746.jar
| MD5 | d8688e230d5513f86999b93b84b2465b |
| SHA1 | 65dbdb665ff9144f7d4c2a80c6039be4781208c6 |
| SHA256 | b08c54a7e2fb3ec6c31f0332b762e51b556d91f0d7cbe7745f5c417206f59d02 |
| SHA512 | b9a7d75bc5afbb5322b69575dcafafd002431f41ecd97a34190eef5122cbe1d8615b302650e934bd123bc48a223abd323f4c9248986743c78d694e51af033123 |
memory/3552-256-0x0000000000D30000-0x0000000000D31000-memory.dmp
C:\Users\Admin\AppData\Roaming\P.O-EPEC-1746.jar
| MD5 | d8688e230d5513f86999b93b84b2465b |
| SHA1 | 65dbdb665ff9144f7d4c2a80c6039be4781208c6 |
| SHA256 | b08c54a7e2fb3ec6c31f0332b762e51b556d91f0d7cbe7745f5c417206f59d02 |
| SHA512 | b9a7d75bc5afbb5322b69575dcafafd002431f41ecd97a34190eef5122cbe1d8615b302650e934bd123bc48a223abd323f4c9248986743c78d694e51af033123 |
C:\Users\Admin\AppData\Roaming\lib\system-hook-3.5.jar
| MD5 | e1aa38a1e78a76a6de73efae136cdb3a |
| SHA1 | c463da71871f780b2e2e5dba115d43953b537daf |
| SHA256 | 2ddda8af6faef8bde46acf43ec546603180bcf8dcb2e5591fff8ac9cd30b5609 |
| SHA512 | fee16fe9364926ec337e52f551fd62ed81984808a847de2fd68ff29b6c5da0dcc04ef6d8977f0fe675662a7d2ea1065cdcdd2a5259446226a7c7c5516bd7d60d |
C:\Users\Admin\AppData\Roaming\lib\sqlite-jdbc-3.14.2.1.jar
| MD5 | b33387e15ab150a7bf560abdc73c3bec |
| SHA1 | 66b8075784131f578ef893fd7674273f709b9a4c |
| SHA256 | 2eae3dea1c3dde6104c49f9601074b6038ff6abcf3be23f4b56f6720a4f6a491 |
| SHA512 | 25cfb0d6ce35d0bcb18527d3aa12c63ecb2d9c1b8b78805d1306e516c13480b79bb0d74730aa93bd1752f9ac2da9fdd51781c48844cea2fd52a06c62852c8279 |
C:\Users\Admin\AppData\Roaming\lib\jna-platform-5.5.0.jar
| MD5 | 2f4a99c2758e72ee2b59a73586a2322f |
| SHA1 | af38e7c4d0fc73c23ecd785443705bfdee5b90bf |
| SHA256 | 24d81621f82ac29fcdd9a74116031f5907a2343158e616f4573bbfa2434ae0d5 |
| SHA512 | b860459a0d3bf7ccb600a03aa1d2ac0358619ee89b2b96ed723541e182b6fdab53aefef7992acb4e03fca67aa47cbe3907b1e6060a60b57ed96c4e00c35c7494 |
C:\Users\Admin\AppData\Roaming\lib\jna-5.5.0.jar
| MD5 | acfb5b5fd9ee10bf69497792fd469f85 |
| SHA1 | 0e0845217c4907822403912ad6828d8e0b256208 |
| SHA256 | b308faebfe4ed409de8410e0a632d164b2126b035f6eacff968d3908cafb4d9e |
| SHA512 | e52575f58a195ceb3bd16b9740eadf5bc5b1d4d63c0734e8e5fd1d1776aa2d068d2e4c7173b83803f95f72c0a6759ae1c9b65773c734250d4cfcdf47a19f82aa |
C:\Users\Admin\.oracle_jre_usage\90737d32e3aba4b.timestamp
| MD5 | 55ec08856668cd633d05a70d16458bb1 |
| SHA1 | 2ee0962726da28e9441a975bf6d60d91421be2d7 |
| SHA256 | 46f2bfe34fc742d9bcc096b99320e046c758b13f64fbbeeb6c38e8af6f5ec81b |
| SHA512 | 27863d5d950283ec68b8eaaa6ea002ceebea49dcbb343fca30760c3667bc1740539df523195570d8cd0ff70ce73d5fe4e3f3a87ac1cc7c180c7a366d1f198867 |
memory/3612-273-0x00000000008A0000-0x00000000008A1000-memory.dmp
C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-3195054982-4292022746-1467505928-1000\83aa4cc77f591dfc2374580bbd95f6ba_320257d5-a40a-4005-a66a-f8da3659bec3
| MD5 | c8366ae350e7019aefc9d1e6e6a498c6 |
| SHA1 | 5731d8a3e6568a5f2dfbbc87e3db9637df280b61 |
| SHA256 | 11e6aca8e682c046c83b721eeb5c72c5ef03cb5936c60df6f4993511ddc61238 |
| SHA512 | 33c980d5a638bfc791de291ebf4b6d263b384247ab27f261a54025108f2f85374b579a026e545f81395736dd40fa4696f2163ca17640dd47f1c42bc9971b18cd |
C:\Users\Admin\AppData\Local\Temp\jna-63116079\jna6430995161422407211.dll
| MD5 | e02979ecd43bcc9061eb2b494ab5af50 |
| SHA1 | 3122ac0e751660f646c73b10c4f79685aa65c545 |
| SHA256 | a66959bec2ef5af730198db9f3b3f7cab0d4ae70ce01bec02bf1d738e6d1ee7a |
| SHA512 | 1e6f7dcb6a557c9b896412a48dd017c16f7a52fa2b9ab513593c9ecd118e86083979821ca7a3e2f098ee349200c823c759cec6599740dd391cb5f354dc29b372 |