Analysis Overview
SHA256
b1f7c395aa293abc666ae5548a3d36c683e24917c190bef16f1d11add0cf5fea
Threat Level: Known bad
The file jollykeys2.1.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
Enumerates physical storage devices
Unsigned PE
Suspicious use of WriteProcessMemory
Suspicious behavior: MapViewOfSection
MITRE ATT&CK
Enterprise Matrix V6
Analysis: static1
Detonation Overview
Reported
2023-06-30 12:23
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2023-06-30 12:23
Reported
2023-06-30 12:32
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\jollykeys2.1.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\jollykeys2.1.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 1716 set thread context of 576 | 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\jollykeys2.1.exe
"C:\Users\Admin\AppData\Local\Temp\jollykeys2.1.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 |
\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 |
C:\Users\Admin\AppData\Local\Temp\yltpnlljea.exe
| MD5 | d4f3b16f83bcfbfa9627a4342adce47c |
| SHA1 | 4950e83f0a121c4ffc429ff6e19642fed810053c |
| SHA256 | 3f8a677b416125ad847db147db45bab6b82b59cb8cfe2d44fb752a86d98b8cc9 |
| SHA512 | c424a63374b121980df518041b6bb73a410ac3a26a8842f7fa326b452812f7c2b520361082a43015bdc9ce8f6fc550059e29be2648c96841a7a627b06060a5c4 |
memory/576-69-0x0000000000400000-0x000000000042B000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\yltpnlljea.exe
| MD5 | d4f3b16f83bcfbfa9627a4342adce47c |
| SHA1 | 4950e83f0a121c4ffc429ff6e19642fed810053c |
| SHA256 | 3f8a677b416125ad847db147db45bab6b82b59cb8cfe2d44fb752a86d98b8cc9 |
| SHA512 | c424a63374b121980df518041b6bb73a410ac3a26a8842f7fa326b452812f7c2b520361082a43015bdc9ce8f6fc550059e29be2648c96841a7a627b06060a5c4 |
memory/576-73-0x0000000000400000-0x000000000042B000-memory.dmp
memory/576-74-0x0000000000400000-0x000000000042B000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2023-06-30 12:23
Reported
2023-06-30 12:32
Platform
win10v2004-20230621-en
Max time kernel
143s
Max time network
141s
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-1-5-21-4025927695-1301755775-2607443251-1000\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 4352 set thread context of 852 | 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 4276 wrote to memory of 4352 | N/A | C:\Users\Admin\AppData\Local\Temp\jollykeys2.1.exe | C:\Users\Admin\AppData\Local\Temp\yltpnlljea.exe |
| PID 4276 wrote to memory of 4352 | N/A | C:\Users\Admin\AppData\Local\Temp\jollykeys2.1.exe | C:\Users\Admin\AppData\Local\Temp\yltpnlljea.exe |
| PID 4276 wrote to memory of 4352 | N/A | C:\Users\Admin\AppData\Local\Temp\jollykeys2.1.exe | C:\Users\Admin\AppData\Local\Temp\yltpnlljea.exe |
| PID 4352 wrote to memory of 852 | N/A | C:\Users\Admin\AppData\Local\Temp\yltpnlljea.exe | C:\Users\Admin\AppData\Local\Temp\yltpnlljea.exe |
| PID 4352 wrote to memory of 852 | N/A | C:\Users\Admin\AppData\Local\Temp\yltpnlljea.exe | C:\Users\Admin\AppData\Local\Temp\yltpnlljea.exe |
| PID 4352 wrote to memory of 852 | N/A | C:\Users\Admin\AppData\Local\Temp\yltpnlljea.exe | C:\Users\Admin\AppData\Local\Temp\yltpnlljea.exe |
| PID 4352 wrote to memory of 852 | 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\jollykeys2.1.exe
"C:\Users\Admin\AppData\Local\Temp\jollykeys2.1.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 | 93.184.221.240:80 | tcp | |
| US | 8.8.8.8:53 | 2.136.104.51.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 | 26.35.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 216.74.101.95.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 202.74.101.95.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 108.211.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 69.31.126.40.in-addr.arpa | udp |
| US | 20.42.65.89:443 | tcp | |
| US | 8.8.8.8:53 | 43.58.199.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 56.126.166.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 2.36.159.162.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 203.151.224.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 56.126.166.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 183.59.114.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 158.240.127.40.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 | 208.194.73.20.in-addr.arpa | udp |
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/852-142-0x0000000000400000-0x000000000042B000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\yltpnlljea.exe
| MD5 | d4f3b16f83bcfbfa9627a4342adce47c |
| SHA1 | 4950e83f0a121c4ffc429ff6e19642fed810053c |
| SHA256 | 3f8a677b416125ad847db147db45bab6b82b59cb8cfe2d44fb752a86d98b8cc9 |
| SHA512 | c424a63374b121980df518041b6bb73a410ac3a26a8842f7fa326b452812f7c2b520361082a43015bdc9ce8f6fc550059e29be2648c96841a7a627b06060a5c4 |
memory/852-144-0x0000000000400000-0x000000000042B000-memory.dmp
memory/852-145-0x0000000000400000-0x000000000042B000-memory.dmp
memory/852-147-0x0000000000400000-0x000000000042B000-memory.dmp