Analysis Overview
SHA256
728a931f647782bd62d8be58077b0a446db865bac40edc92a9848c60351d64d8
Threat Level: Known bad
The file 728a931f647782bd62d8be58077b0a446db865bac40edc92a9848c60351d64d8 was found to be: Known bad.
Malicious Activity Summary
Redline family
RedLine
RedLine payload
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
2024-11-10 19:23
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-11-10 19:23
Reported
2024-11-10 19:26
Platform
win10v2004-20241007-en
Max time kernel
132s
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\nai44.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bty05.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\728a931f647782bd62d8be58077b0a446db865bac40edc92a9848c60351d64d8.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\nai44.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\728a931f647782bd62d8be58077b0a446db865bac40edc92a9848c60351d64d8.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nai44.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bty05.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\728a931f647782bd62d8be58077b0a446db865bac40edc92a9848c60351d64d8.exe
"C:\Users\Admin\AppData\Local\Temp\728a931f647782bd62d8be58077b0a446db865bac40edc92a9848c60351d64d8.exe"
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nai44.exe
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nai44.exe
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bty05.exe
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bty05.exe
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 8.8.8.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 13.86.106.20.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 | |
| 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 |
| US | 8.8.8.8:53 | 97.17.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 104.219.191.52.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 | 241.42.69.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 101.208.201.84.in-addr.arpa | udp |
| RU | 193.233.20.12:4132 | tcp | |
| US | 8.8.8.8:53 | 102.209.201.84.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 |
| US | 8.8.8.8:53 | 13.227.111.52.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\nai44.exe
| MD5 | 629dd952aa9bac8537959083be43c548 |
| SHA1 | ded31d37bd7897e817d8be43f9ce745c83c6e182 |
| SHA256 | 0b4403669b6f8127aab92e763359adf66850a88d67fcc05af7f5f6931e22e538 |
| SHA512 | 07670310a0239ae28fd27195d8d958e3a01aba6f9244f105c24955a722de5c10bd35ecd04874ede162b9873fa9d1499a2896eaa375a22f29e4185691e75bec40 |
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bty05.exe
| MD5 | da6f3bef8abc85bd09f50783059964e3 |
| SHA1 | a0f25f60ec1896c4c920ea397f40e6ce29724322 |
| SHA256 | e6d9ee8ab0ea2ade6e5a9481d8f0f921427ec6919b1b48c6067570fde270736b |
| SHA512 | 4d2e1472b114c98c74900b8305aabbc49ba28edffdc2376206cf02e26593df4e444933b3aa19f0c6cd0ae3ac3133d656433574aaf25a57748758e5dd25edfbec |
memory/3436-14-0x0000000073E8E000-0x0000000073E8F000-memory.dmp
memory/3436-15-0x0000000000E20000-0x0000000000E52000-memory.dmp
memory/3436-16-0x0000000005DE0000-0x00000000063F8000-memory.dmp
memory/3436-17-0x0000000005900000-0x0000000005A0A000-memory.dmp
memory/3436-18-0x0000000005830000-0x0000000005842000-memory.dmp
memory/3436-19-0x0000000005890000-0x00000000058CC000-memory.dmp
memory/3436-20-0x0000000005A10000-0x0000000005A5C000-memory.dmp
memory/3436-21-0x0000000073E8E000-0x0000000073E8F000-memory.dmp