Analysis Overview
SHA256
a4200c6d528e834301010a8027298cff123c40d64c6296ca631814a549d4a4b5
Threat Level: Known bad
The file a4200c6d528e834301010a8027298cff123c40d64c6296ca631814a549d4a4b5 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 05:25
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-11-11 05:25
Reported
2024-11-11 05:28
Platform
win10v2004-20241007-en
Max time kernel
150s
Max time network
152s
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\nbb45.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\brD59.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\nbb45.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\a4200c6d528e834301010a8027298cff123c40d64c6296ca631814a549d4a4b5.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\a4200c6d528e834301010a8027298cff123c40d64c6296ca631814a549d4a4b5.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nbb45.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\brD59.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\a4200c6d528e834301010a8027298cff123c40d64c6296ca631814a549d4a4b5.exe
"C:\Users\Admin\AppData\Local\Temp\a4200c6d528e834301010a8027298cff123c40d64c6296ca631814a549d4a4b5.exe"
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nbb45.exe
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nbb45.exe
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\brD59.exe
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\brD59.exe
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 228.249.119.40.in-addr.arpa | udp |
| RU | 193.233.20.12:4132 | tcp | |
| US | 8.8.8.8:53 | 240.221.184.93.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 133.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 97.17.167.52.in-addr.arpa | udp |
| RU | 193.233.20.12:4132 | tcp | |
| US | 8.8.8.8:53 | 53.210.109.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 206.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| RU | 193.233.20.12:4132 | tcp | |
| US | 8.8.8.8:53 | 83.210.23.2.in-addr.arpa | udp |
| RU | 193.233.20.12:4132 | tcp | |
| US | 8.8.8.8:53 | 48.229.111.52.in-addr.arpa | udp |
| RU | 193.233.20.12:4132 | tcp | |
| RU | 193.233.20.12:4132 | tcp | |
| US | 8.8.8.8:53 | 12.173.189.20.in-addr.arpa | udp |
Files
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nbb45.exe
| MD5 | 27ff8ed09db43be164e098c03e8db5b4 |
| SHA1 | f06efbb2a9228cbc4cc5bb7b00e57dc30eec6911 |
| SHA256 | e8eaa7c9e3c95bc6777093c2c334f46a2c5132897ce03b65927de96bafacfe78 |
| SHA512 | c412cd5b1b5e6f3339d14f535d642620e391d8f0782c696557c902a31896a7630c996973cbe42b5a7497e39afd547a7b11c6e557cf6716ec3a1751aad743e48c |
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\brD59.exe
| MD5 | da6f3bef8abc85bd09f50783059964e3 |
| SHA1 | a0f25f60ec1896c4c920ea397f40e6ce29724322 |
| SHA256 | e6d9ee8ab0ea2ade6e5a9481d8f0f921427ec6919b1b48c6067570fde270736b |
| SHA512 | 4d2e1472b114c98c74900b8305aabbc49ba28edffdc2376206cf02e26593df4e444933b3aa19f0c6cd0ae3ac3133d656433574aaf25a57748758e5dd25edfbec |
memory/4768-14-0x00000000749EE000-0x00000000749EF000-memory.dmp
memory/4768-15-0x0000000000990000-0x00000000009C2000-memory.dmp
memory/4768-16-0x00000000057C0000-0x0000000005DD8000-memory.dmp
memory/4768-17-0x0000000005330000-0x000000000543A000-memory.dmp
memory/4768-18-0x0000000005260000-0x0000000005272000-memory.dmp
memory/4768-19-0x00000000052C0000-0x00000000052FC000-memory.dmp
memory/4768-20-0x0000000005440000-0x000000000548C000-memory.dmp
memory/4768-21-0x00000000749EE000-0x00000000749EF000-memory.dmp