Analysis Overview
SHA256
cefbd0f117fb8bfbf110dee25b25517e8eff876cbb2ce9e9ab3712c647fb3167
Threat Level: Known bad
The file cefbd0f117fb8bfbf110dee25b25517e8eff876cbb2ce9e9ab3712c647fb3167 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
2024-11-10 10:41
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-11-10 10:41
Reported
2024-11-10 10:44
Platform
win10v2004-20241007-en
Max time kernel
132s
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\nLS77.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bYG65.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\cefbd0f117fb8bfbf110dee25b25517e8eff876cbb2ce9e9ab3712c647fb3167.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\nLS77.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\cefbd0f117fb8bfbf110dee25b25517e8eff876cbb2ce9e9ab3712c647fb3167.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nLS77.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bYG65.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\cefbd0f117fb8bfbf110dee25b25517e8eff876cbb2ce9e9ab3712c647fb3167.exe
"C:\Users\Admin\AppData\Local\Temp\cefbd0f117fb8bfbf110dee25b25517e8eff876cbb2ce9e9ab3712c647fb3167.exe"
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nLS77.exe
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nLS77.exe
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bYG65.exe
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bYG65.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 | 88.210.23.2.in-addr.arpa | udp |
| RU | 193.233.20.12:4132 | tcp | |
| US | 8.8.8.8:53 | 74.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 97.17.167.52.in-addr.arpa | udp |
| RU | 193.233.20.12:4132 | tcp | |
| US | 8.8.8.8:53 | 200.163.202.172.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 171.39.242.20.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 | 103.208.201.84.in-addr.arpa | udp |
| RU | 193.233.20.12:4132 | tcp | |
| US | 8.8.8.8:53 | 43.229.111.52.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\nLS77.exe
| MD5 | bc799b3aaeafb433461da657971a1822 |
| SHA1 | 6e44c378f0f343da3cda52272e44220d4613608c |
| SHA256 | 12b6b8ab3b576bb2d6c6e6dad7e8715ebf54683e2c1ef6852c8caebabba69c50 |
| SHA512 | e64c17f47ed1f99152c80ebe3ce2f38f8e516546caa9a24313dc2fa46aa16e6e99da81ba051f98840716588d00bbbc7455d3938ad788d3aeba227c7ec1186d85 |
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bYG65.exe
| MD5 | da6f3bef8abc85bd09f50783059964e3 |
| SHA1 | a0f25f60ec1896c4c920ea397f40e6ce29724322 |
| SHA256 | e6d9ee8ab0ea2ade6e5a9481d8f0f921427ec6919b1b48c6067570fde270736b |
| SHA512 | 4d2e1472b114c98c74900b8305aabbc49ba28edffdc2376206cf02e26593df4e444933b3aa19f0c6cd0ae3ac3133d656433574aaf25a57748758e5dd25edfbec |
memory/1172-14-0x0000000074B7E000-0x0000000074B7F000-memory.dmp
memory/1172-15-0x00000000000E0000-0x0000000000112000-memory.dmp
memory/1172-16-0x0000000005030000-0x0000000005648000-memory.dmp
memory/1172-17-0x0000000004BB0000-0x0000000004CBA000-memory.dmp
memory/1172-18-0x0000000004AE0000-0x0000000004AF2000-memory.dmp
memory/1172-19-0x0000000004B60000-0x0000000004B9C000-memory.dmp
memory/1172-20-0x0000000004B00000-0x0000000004B4C000-memory.dmp
memory/1172-21-0x0000000074B7E000-0x0000000074B7F000-memory.dmp