Analysis Overview
SHA256
e4d097c41d5f640db50cbe4dc2a002d7ef1781450d653b037d0c93187ffce0e5
Threat Level: Known bad
The file e4d097c41d5f640db50cbe4dc2a002d7ef1781450d653b037d0c93187ffce0e5 was found to be: Known bad.
Malicious Activity Summary
RedLine payload
Redline family
RedLine
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 04:36
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-11-11 04:36
Reported
2024-11-11 04:38
Platform
win10v2004-20241007-en
Max time kernel
131s
Max time network
148s
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\nTk18.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\biU15.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\e4d097c41d5f640db50cbe4dc2a002d7ef1781450d653b037d0c93187ffce0e5.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\nTk18.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\e4d097c41d5f640db50cbe4dc2a002d7ef1781450d653b037d0c93187ffce0e5.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nTk18.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\biU15.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\e4d097c41d5f640db50cbe4dc2a002d7ef1781450d653b037d0c93187ffce0e5.exe
"C:\Users\Admin\AppData\Local\Temp\e4d097c41d5f640db50cbe4dc2a002d7ef1781450d653b037d0c93187ffce0e5.exe"
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nTk18.exe
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nTk18.exe
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\biU15.exe
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\biU15.exe
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 228.249.119.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 8.8.8.8.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 | |
| US | 8.8.8.8:53 | 133.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.150.49.20.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 |
| RU | 193.233.20.12:4132 | tcp | |
| US | 8.8.8.8:53 | 88.210.23.2.in-addr.arpa | udp |
| RU | 193.233.20.12:4132 | tcp | |
| US | 8.8.8.8:53 | 72.209.201.84.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\nTk18.exe
| MD5 | 2fece21e2ea7b2ce04af8d349908a92c |
| SHA1 | 95bd669d3d968eeb0ce240aa65e5b570d45bef65 |
| SHA256 | afb7705aad35bea92bd254f862562cc64c3ad576fdd282c83a4b08c100bcd232 |
| SHA512 | 5d3c7636b8367d23554af0f56c54caa375c8a47278c6e2adf1d39814036b54757dd4088e65cbf6cf07b7dd3e1cc45e48c8f3d41ecaa851ce34ee4d8f5e4993bd |
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\biU15.exe
| MD5 | da6f3bef8abc85bd09f50783059964e3 |
| SHA1 | a0f25f60ec1896c4c920ea397f40e6ce29724322 |
| SHA256 | e6d9ee8ab0ea2ade6e5a9481d8f0f921427ec6919b1b48c6067570fde270736b |
| SHA512 | 4d2e1472b114c98c74900b8305aabbc49ba28edffdc2376206cf02e26593df4e444933b3aa19f0c6cd0ae3ac3133d656433574aaf25a57748758e5dd25edfbec |
memory/3540-14-0x000000007472E000-0x000000007472F000-memory.dmp
memory/3540-15-0x00000000002D0000-0x0000000000302000-memory.dmp
memory/3540-16-0x0000000005170000-0x0000000005788000-memory.dmp
memory/3540-17-0x0000000004C70000-0x0000000004D7A000-memory.dmp
memory/3540-18-0x0000000004BA0000-0x0000000004BB2000-memory.dmp
memory/3540-19-0x0000000004C00000-0x0000000004C3C000-memory.dmp
memory/3540-20-0x0000000004D80000-0x0000000004DCC000-memory.dmp
memory/3540-21-0x000000007472E000-0x000000007472F000-memory.dmp