Analysis Overview
SHA256
b1f7c395aa293abc666ae5548a3d36c683e24917c190bef16f1d11add0cf5fea
Threat Level: Known bad
The file jollykeys21exe.exe was found to be: Known bad.
Malicious Activity Summary
Netwire
Executes dropped EXE
Loads dropped DLL
Adds Run key to start application
Suspicious use of SetThreadContext
Unsigned PE
Enumerates physical storage devices
Suspicious behavior: MapViewOfSection
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V6
Analysis: static1
Detonation Overview
Reported
2023-07-01 07:59
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2023-07-01 07:59
Reported
2023-07-01 08:01
Platform
win7-20230621-en
Max time kernel
143s
Max time network
114s
Command Line
Signatures
Netwire
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\yltpnlljea.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\yltpnlljea.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\jollykeys21exe.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\jollykeys21exe.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\yltpnlljea.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-4102714285-680558483-2379744688-1000\Software\Microsoft\Windows\CurrentVersion\Run\ngmpnjgwgdgcsg = "C:\\Users\\Admin\\AppData\\Roaming\\mkymydmx\\riwagraq.exe \"C:\\Users\\Admin\\AppData\\Local\\Temp\\yltpnlljea.exe\" C:\\Users\\Admin\\AppData\\Loc" | C:\Users\Admin\AppData\Local\Temp\yltpnlljea.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 1996 set thread context of 528 | N/A | C:\Users\Admin\AppData\Local\Temp\yltpnlljea.exe | C:\Users\Admin\AppData\Local\Temp\yltpnlljea.exe |
Enumerates physical storage devices
Suspicious behavior: MapViewOfSection
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\yltpnlljea.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\jollykeys21exe.exe
"C:\Users\Admin\AppData\Local\Temp\jollykeys21exe.exe"
C:\Users\Admin\AppData\Local\Temp\yltpnlljea.exe
"C:\Users\Admin\AppData\Local\Temp\yltpnlljea.exe" C:\Users\Admin\AppData\Local\Temp\odjijv.tbg
C:\Users\Admin\AppData\Local\Temp\yltpnlljea.exe
"C:\Users\Admin\AppData\Local\Temp\yltpnlljea.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | rabusk.duckdns.org | udp |
| GB | 193.31.30.138:1992 | rabusk.duckdns.org | tcp |
| US | 8.8.8.8:53 | rabusk.duckdns.org | udp |
| GB | 193.31.30.138:1992 | rabusk.duckdns.org | tcp |
Files
\Users\Admin\AppData\Local\Temp\yltpnlljea.exe
| MD5 | d4f3b16f83bcfbfa9627a4342adce47c |
| SHA1 | 4950e83f0a121c4ffc429ff6e19642fed810053c |
| SHA256 | 3f8a677b416125ad847db147db45bab6b82b59cb8cfe2d44fb752a86d98b8cc9 |
| SHA512 | c424a63374b121980df518041b6bb73a410ac3a26a8842f7fa326b452812f7c2b520361082a43015bdc9ce8f6fc550059e29be2648c96841a7a627b06060a5c4 |
\Users\Admin\AppData\Local\Temp\yltpnlljea.exe
| MD5 | d4f3b16f83bcfbfa9627a4342adce47c |
| SHA1 | 4950e83f0a121c4ffc429ff6e19642fed810053c |
| SHA256 | 3f8a677b416125ad847db147db45bab6b82b59cb8cfe2d44fb752a86d98b8cc9 |
| SHA512 | c424a63374b121980df518041b6bb73a410ac3a26a8842f7fa326b452812f7c2b520361082a43015bdc9ce8f6fc550059e29be2648c96841a7a627b06060a5c4 |
C:\Users\Admin\AppData\Local\Temp\yltpnlljea.exe
| MD5 | d4f3b16f83bcfbfa9627a4342adce47c |
| SHA1 | 4950e83f0a121c4ffc429ff6e19642fed810053c |
| SHA256 | 3f8a677b416125ad847db147db45bab6b82b59cb8cfe2d44fb752a86d98b8cc9 |
| SHA512 | c424a63374b121980df518041b6bb73a410ac3a26a8842f7fa326b452812f7c2b520361082a43015bdc9ce8f6fc550059e29be2648c96841a7a627b06060a5c4 |
C:\Users\Admin\AppData\Local\Temp\yltpnlljea.exe
| MD5 | d4f3b16f83bcfbfa9627a4342adce47c |
| SHA1 | 4950e83f0a121c4ffc429ff6e19642fed810053c |
| SHA256 | 3f8a677b416125ad847db147db45bab6b82b59cb8cfe2d44fb752a86d98b8cc9 |
| SHA512 | c424a63374b121980df518041b6bb73a410ac3a26a8842f7fa326b452812f7c2b520361082a43015bdc9ce8f6fc550059e29be2648c96841a7a627b06060a5c4 |
C:\Users\Admin\AppData\Local\Temp\odjijv.tbg
| MD5 | ea332bbdc840616772e64f9dfc9b7dbb |
| SHA1 | d725c525fe778650f6c2b2908a6516e9f1d52c4d |
| SHA256 | 170e624f2595fc1d23c974c8694fb2fe32ca6247296aabfedfc5ed5ac7805821 |
| SHA512 | 76d7ea129e09a5a93f025f16455b5fb694b59872b79f74c5f3d3216eb473083092b58ba0fef801cac0059844bf4f924db5876ad5bf05aaf4c514f72f0f8eb655 |
C:\Users\Admin\AppData\Local\Temp\yltpnlljea.exe
| MD5 | d4f3b16f83bcfbfa9627a4342adce47c |
| SHA1 | 4950e83f0a121c4ffc429ff6e19642fed810053c |
| SHA256 | 3f8a677b416125ad847db147db45bab6b82b59cb8cfe2d44fb752a86d98b8cc9 |
| SHA512 | c424a63374b121980df518041b6bb73a410ac3a26a8842f7fa326b452812f7c2b520361082a43015bdc9ce8f6fc550059e29be2648c96841a7a627b06060a5c4 |
C:\Users\Admin\AppData\Local\Temp\curkuafio.mem
| MD5 | e0c57b8c9ba09a4b0aa65afbd11e469c |
| SHA1 | a5dfa5d1c90b2d156141efd38d5eaae5bc0b9a48 |
| SHA256 | f5c8430f51e5ef9dabaaa9a5d2d639acb80b2ce73f0be70525422359a77ff290 |
| SHA512 | ae6656a90e499f155decb22309c682be7ee65d1c26db60429c6f20a7badcc16538fa052118f647a81f9a54b31dc0cc88d337cb06be31ea466369bd04600b1078 |
\Users\Admin\AppData\Local\Temp\yltpnlljea.exe
| MD5 | d4f3b16f83bcfbfa9627a4342adce47c |
| SHA1 | 4950e83f0a121c4ffc429ff6e19642fed810053c |
| SHA256 | 3f8a677b416125ad847db147db45bab6b82b59cb8cfe2d44fb752a86d98b8cc9 |
| SHA512 | c424a63374b121980df518041b6bb73a410ac3a26a8842f7fa326b452812f7c2b520361082a43015bdc9ce8f6fc550059e29be2648c96841a7a627b06060a5c4 |
memory/528-69-0x0000000000400000-0x000000000042B000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\yltpnlljea.exe
| MD5 | d4f3b16f83bcfbfa9627a4342adce47c |
| SHA1 | 4950e83f0a121c4ffc429ff6e19642fed810053c |
| SHA256 | 3f8a677b416125ad847db147db45bab6b82b59cb8cfe2d44fb752a86d98b8cc9 |
| SHA512 | c424a63374b121980df518041b6bb73a410ac3a26a8842f7fa326b452812f7c2b520361082a43015bdc9ce8f6fc550059e29be2648c96841a7a627b06060a5c4 |
memory/528-73-0x0000000000400000-0x000000000042B000-memory.dmp
memory/528-74-0x0000000000400000-0x000000000042B000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2023-07-01 07:59
Reported
2023-07-01 08:01
Platform
win10v2004-20230621-en
Max time kernel
150s
Max time network
151s
Command Line
Signatures
Netwire
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\yltpnlljea.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\yltpnlljea.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2177513644-1903222820-241662473-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ngmpnjgwgdgcsg = "C:\\Users\\Admin\\AppData\\Roaming\\mkymydmx\\riwagraq.exe \"C:\\Users\\Admin\\AppData\\Local\\Temp\\yltpnlljea.exe\" C:\\Users\\Admin\\AppData\\Loc" | C:\Users\Admin\AppData\Local\Temp\yltpnlljea.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 1388 set thread context of 4228 | N/A | C:\Users\Admin\AppData\Local\Temp\yltpnlljea.exe | C:\Users\Admin\AppData\Local\Temp\yltpnlljea.exe |
Enumerates physical storage devices
Suspicious behavior: MapViewOfSection
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\yltpnlljea.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 3080 wrote to memory of 1388 | N/A | C:\Users\Admin\AppData\Local\Temp\jollykeys21exe.exe | C:\Users\Admin\AppData\Local\Temp\yltpnlljea.exe |
| PID 3080 wrote to memory of 1388 | N/A | C:\Users\Admin\AppData\Local\Temp\jollykeys21exe.exe | C:\Users\Admin\AppData\Local\Temp\yltpnlljea.exe |
| PID 3080 wrote to memory of 1388 | N/A | C:\Users\Admin\AppData\Local\Temp\jollykeys21exe.exe | C:\Users\Admin\AppData\Local\Temp\yltpnlljea.exe |
| PID 1388 wrote to memory of 4228 | N/A | C:\Users\Admin\AppData\Local\Temp\yltpnlljea.exe | C:\Users\Admin\AppData\Local\Temp\yltpnlljea.exe |
| PID 1388 wrote to memory of 4228 | N/A | C:\Users\Admin\AppData\Local\Temp\yltpnlljea.exe | C:\Users\Admin\AppData\Local\Temp\yltpnlljea.exe |
| PID 1388 wrote to memory of 4228 | N/A | C:\Users\Admin\AppData\Local\Temp\yltpnlljea.exe | C:\Users\Admin\AppData\Local\Temp\yltpnlljea.exe |
| PID 1388 wrote to memory of 4228 | N/A | C:\Users\Admin\AppData\Local\Temp\yltpnlljea.exe | C:\Users\Admin\AppData\Local\Temp\yltpnlljea.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\jollykeys21exe.exe
"C:\Users\Admin\AppData\Local\Temp\jollykeys21exe.exe"
C:\Users\Admin\AppData\Local\Temp\yltpnlljea.exe
"C:\Users\Admin\AppData\Local\Temp\yltpnlljea.exe" C:\Users\Admin\AppData\Local\Temp\odjijv.tbg
C:\Users\Admin\AppData\Local\Temp\yltpnlljea.exe
"C:\Users\Admin\AppData\Local\Temp\yltpnlljea.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 146.78.124.51.in-addr.arpa | udp |
| US | 8.8.8.8:53 | rabusk.duckdns.org | udp |
| GB | 193.31.30.138:1992 | rabusk.duckdns.org | tcp |
| US | 8.8.8.8:53 | 20.160.190.20.in-addr.arpa | udp |
| US | 13.89.179.9:443 | tcp | |
| US | 8.8.8.8:53 | 43.58.199.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 208.194.73.20.in-addr.arpa | udp |
| US | 93.184.221.240:80 | tcp | |
| US | 93.184.221.240:80 | tcp | |
| US | 8.8.8.8:53 | 59.128.231.4.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 203.151.224.20.in-addr.arpa | udp |
| GB | 96.16.110.41:443 | tcp | |
| US | 93.184.221.240:80 | tcp | |
| US | 8.8.8.8:53 | 202.74.101.95.in-addr.arpa | udp |
| US | 8.8.8.8:53 | rabusk.duckdns.org | udp |
| GB | 193.31.30.138:1992 | rabusk.duckdns.org | tcp |
Files
C:\Users\Admin\AppData\Local\Temp\yltpnlljea.exe
| MD5 | d4f3b16f83bcfbfa9627a4342adce47c |
| SHA1 | 4950e83f0a121c4ffc429ff6e19642fed810053c |
| SHA256 | 3f8a677b416125ad847db147db45bab6b82b59cb8cfe2d44fb752a86d98b8cc9 |
| SHA512 | c424a63374b121980df518041b6bb73a410ac3a26a8842f7fa326b452812f7c2b520361082a43015bdc9ce8f6fc550059e29be2648c96841a7a627b06060a5c4 |
C:\Users\Admin\AppData\Local\Temp\yltpnlljea.exe
| MD5 | d4f3b16f83bcfbfa9627a4342adce47c |
| SHA1 | 4950e83f0a121c4ffc429ff6e19642fed810053c |
| SHA256 | 3f8a677b416125ad847db147db45bab6b82b59cb8cfe2d44fb752a86d98b8cc9 |
| SHA512 | c424a63374b121980df518041b6bb73a410ac3a26a8842f7fa326b452812f7c2b520361082a43015bdc9ce8f6fc550059e29be2648c96841a7a627b06060a5c4 |
C:\Users\Admin\AppData\Local\Temp\odjijv.tbg
| MD5 | ea332bbdc840616772e64f9dfc9b7dbb |
| SHA1 | d725c525fe778650f6c2b2908a6516e9f1d52c4d |
| SHA256 | 170e624f2595fc1d23c974c8694fb2fe32ca6247296aabfedfc5ed5ac7805821 |
| SHA512 | 76d7ea129e09a5a93f025f16455b5fb694b59872b79f74c5f3d3216eb473083092b58ba0fef801cac0059844bf4f924db5876ad5bf05aaf4c514f72f0f8eb655 |
C:\Users\Admin\AppData\Local\Temp\curkuafio.mem
| MD5 | e0c57b8c9ba09a4b0aa65afbd11e469c |
| SHA1 | a5dfa5d1c90b2d156141efd38d5eaae5bc0b9a48 |
| SHA256 | f5c8430f51e5ef9dabaaa9a5d2d639acb80b2ce73f0be70525422359a77ff290 |
| SHA512 | ae6656a90e499f155decb22309c682be7ee65d1c26db60429c6f20a7badcc16538fa052118f647a81f9a54b31dc0cc88d337cb06be31ea466369bd04600b1078 |
memory/1388-142-0x00000000005C0000-0x00000000005C2000-memory.dmp
memory/4228-143-0x0000000000400000-0x000000000042B000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\yltpnlljea.exe
| MD5 | d4f3b16f83bcfbfa9627a4342adce47c |
| SHA1 | 4950e83f0a121c4ffc429ff6e19642fed810053c |
| SHA256 | 3f8a677b416125ad847db147db45bab6b82b59cb8cfe2d44fb752a86d98b8cc9 |
| SHA512 | c424a63374b121980df518041b6bb73a410ac3a26a8842f7fa326b452812f7c2b520361082a43015bdc9ce8f6fc550059e29be2648c96841a7a627b06060a5c4 |
memory/4228-145-0x0000000000400000-0x000000000042B000-memory.dmp
memory/4228-146-0x0000000000400000-0x000000000042B000-memory.dmp
memory/4228-148-0x0000000000400000-0x000000000042B000-memory.dmp