Analysis Overview
SHA256
4a1dc91bf7603cc52af07b1ea7f76c800221e433670bd9c91f47cd0c2f984c4d
Threat Level: Known bad
The file 4a1dc91bf7603cc52af07b1ea7f76c800221e433670bd9c91f47cd0c2f984c4d was found to be: Known bad.
Malicious Activity Summary
RedLine
RedLine payload
Redline family
Executes dropped EXE
Adds Run key to start application
System Location Discovery: System Language Discovery
Unsigned PE
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-11-11 10:28
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-11-11 10:28
Reported
2024-11-11 10:31
Platform
win10v2004-20241007-en
Max time kernel
148s
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\nmt71.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bRY30.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_cleanup0 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP000.TMP\\\"" | C:\Users\Admin\AppData\Local\Temp\4a1dc91bf7603cc52af07b1ea7f76c800221e433670bd9c91f47cd0c2f984c4d.exe | N/A |
| 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\nmt71.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\4a1dc91bf7603cc52af07b1ea7f76c800221e433670bd9c91f47cd0c2f984c4d.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nmt71.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bRY30.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\4a1dc91bf7603cc52af07b1ea7f76c800221e433670bd9c91f47cd0c2f984c4d.exe
"C:\Users\Admin\AppData\Local\Temp\4a1dc91bf7603cc52af07b1ea7f76c800221e433670bd9c91f47cd0c2f984c4d.exe"
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nmt71.exe
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nmt71.exe
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bRY30.exe
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bRY30.exe
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 241.150.49.20.in-addr.arpa | udp |
| 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 | 69.31.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| RU | 193.233.20.12:4132 | tcp | |
| US | 8.8.8.8:53 | 212.20.149.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.31.95.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 200.163.202.172.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 98.117.19.2.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 |
| RU | 193.233.20.12:4132 | tcp | |
| US | 8.8.8.8:53 | 30.243.111.52.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\nmt71.exe
| MD5 | 7a8ae1609e183a99cb428a3cbdd0d633 |
| SHA1 | 1680515f199088688cb86015891e23d81b898e4e |
| SHA256 | b0a8d521bf173a2a26311e82b4541126b9f451a1547ebce8d8de621e867df154 |
| SHA512 | 73988792b5f37ba6e5f08c27e862d88764dd5b7c9965c61a19084608a1c8565c498c291897d2f8ca956742b6f0684ff31a4afa153c92feb7151430f07559589e |
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bRY30.exe
| MD5 | da6f3bef8abc85bd09f50783059964e3 |
| SHA1 | a0f25f60ec1896c4c920ea397f40e6ce29724322 |
| SHA256 | e6d9ee8ab0ea2ade6e5a9481d8f0f921427ec6919b1b48c6067570fde270736b |
| SHA512 | 4d2e1472b114c98c74900b8305aabbc49ba28edffdc2376206cf02e26593df4e444933b3aa19f0c6cd0ae3ac3133d656433574aaf25a57748758e5dd25edfbec |
memory/184-14-0x00000000740FE000-0x00000000740FF000-memory.dmp
memory/184-15-0x0000000000080000-0x00000000000B2000-memory.dmp
memory/184-16-0x0000000005000000-0x0000000005618000-memory.dmp
memory/184-17-0x0000000004B60000-0x0000000004C6A000-memory.dmp
memory/184-18-0x0000000004A90000-0x0000000004AA2000-memory.dmp
memory/184-19-0x0000000004B00000-0x0000000004B3C000-memory.dmp
memory/184-20-0x0000000004C70000-0x0000000004CBC000-memory.dmp
memory/184-21-0x00000000740FE000-0x00000000740FF000-memory.dmp