Analysis Overview
SHA256
4ff9623d606456ad1e05284299d4c6dc3dffb263e9608ad60386d256cf68bbfa
Threat Level: Known bad
The file 4ff9623d606456ad1e05284299d4c6dc3dffb263e9608ad60386d256cf68bbfa was found to be: Known bad.
Malicious Activity Summary
RedLine
RedLine payload
Redline family
Executes dropped EXE
Adds Run key to start application
Unsigned PE
System Location Discovery: System Language Discovery
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-11-11 09:51
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-11-11 09:51
Reported
2024-11-11 09:54
Platform
win10v2004-20241007-en
Max time kernel
131s
Max time network
150s
Command Line
Signatures
RedLine
RedLine payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Redline family
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nYs54.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bAr23.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup1 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP001.TMP\\\"" | C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nYs54.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup0 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP000.TMP\\\"" | C:\Users\Admin\AppData\Local\Temp\4ff9623d606456ad1e05284299d4c6dc3dffb263e9608ad60386d256cf68bbfa.exe | N/A |
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\4ff9623d606456ad1e05284299d4c6dc3dffb263e9608ad60386d256cf68bbfa.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nYs54.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bAr23.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\4ff9623d606456ad1e05284299d4c6dc3dffb263e9608ad60386d256cf68bbfa.exe
"C:\Users\Admin\AppData\Local\Temp\4ff9623d606456ad1e05284299d4c6dc3dffb263e9608ad60386d256cf68bbfa.exe"
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nYs54.exe
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nYs54.exe
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bAr23.exe
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bAr23.exe
Network
| Country | Destination | Domain | Proto |
| RU | 193.233.20.12:4132 | tcp | |
| US | 8.8.8.8:53 | 8.8.8.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 149.220.183.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 83.210.23.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 209.205.72.20.in-addr.arpa | udp |
| RU | 193.233.20.12:4132 | tcp | |
| US | 8.8.8.8:53 | 197.87.175.4.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 198.187.3.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.214.232.199.in-addr.arpa | udp |
| RU | 193.233.20.12:4132 | tcp | |
| RU | 193.233.20.12:4132 | tcp | |
| US | 8.8.8.8:53 | 43.229.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 88.210.23.2.in-addr.arpa | udp |
| RU | 193.233.20.12:4132 | tcp | |
| RU | 193.233.20.12:4132 | tcp |
Files
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nYs54.exe
| MD5 | e8f6a1319933769287990628b0edd258 |
| SHA1 | 7c6c30071ed9a520c2a787e7eb2284f63f40a0a8 |
| SHA256 | 1aee7dcfd9e842b525a9fae3b62dc8af89c0100ae7ec68ad50d5b7a3deb0d26a |
| SHA512 | 83982c51e023eb1963eee6080a769b506ca22f3391f498d08ad53121c2ad413c38f0890fba18ad045fa034327e3746a08f1b7537a275441b2215c5d397233712 |
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bAr23.exe
| MD5 | da6f3bef8abc85bd09f50783059964e3 |
| SHA1 | a0f25f60ec1896c4c920ea397f40e6ce29724322 |
| SHA256 | e6d9ee8ab0ea2ade6e5a9481d8f0f921427ec6919b1b48c6067570fde270736b |
| SHA512 | 4d2e1472b114c98c74900b8305aabbc49ba28edffdc2376206cf02e26593df4e444933b3aa19f0c6cd0ae3ac3133d656433574aaf25a57748758e5dd25edfbec |
memory/3556-14-0x000000007436E000-0x000000007436F000-memory.dmp
memory/3556-15-0x0000000000FB0000-0x0000000000FE2000-memory.dmp
memory/3556-16-0x0000000005F10000-0x0000000006528000-memory.dmp
memory/3556-17-0x0000000005A90000-0x0000000005B9A000-memory.dmp
memory/3556-18-0x00000000059D0000-0x00000000059E2000-memory.dmp
memory/3556-19-0x0000000005A30000-0x0000000005A6C000-memory.dmp
memory/3556-20-0x0000000005BA0000-0x0000000005BEC000-memory.dmp
memory/3556-21-0x000000007436E000-0x000000007436F000-memory.dmp