Analysis Overview
SHA256
b6778612f98927378e6774add3c2d5de0a8c052d1e360d18071796e02a2b22d4
Threat Level: Known bad
The file b6778612f98927378e6774add3c2d5de0a8c052d1e360d18071796e02a2b22d4 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
2024-11-10 16:31
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-11-10 16:31
Reported
2024-11-10 16:34
Platform
win10v2004-20241007-en
Max time kernel
135s
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\nkB85.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bfu93.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\nkB85.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\b6778612f98927378e6774add3c2d5de0a8c052d1e360d18071796e02a2b22d4.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\IXP001.TMP\bfu93.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\b6778612f98927378e6774add3c2d5de0a8c052d1e360d18071796e02a2b22d4.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nkB85.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\b6778612f98927378e6774add3c2d5de0a8c052d1e360d18071796e02a2b22d4.exe
"C:\Users\Admin\AppData\Local\Temp\b6778612f98927378e6774add3c2d5de0a8c052d1e360d18071796e02a2b22d4.exe"
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nkB85.exe
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nkB85.exe
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bfu93.exe
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bfu93.exe
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 196.249.167.52.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 | 71.31.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 209.205.72.20.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 | 18.31.95.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 27.117.19.2.in-addr.arpa | udp |
| RU | 193.233.20.12:4132 | tcp | |
| RU | 193.233.20.12:4132 | tcp | |
| US | 8.8.8.8:53 | 105.209.201.84.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 29.243.111.52.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\nkB85.exe
| MD5 | 53c28c559c81ec0d41a9caabeb5ebb8c |
| SHA1 | cf75012e19ffaa38341ff6919b30b2db3ee294ed |
| SHA256 | 76bbc7dbdb58b8a08a639082e2b9e7b9c0bcb1713b19bfdfe8b1dd8ffbb54c3b |
| SHA512 | a8c9373a0d41e31f9f4af70b217b2591020f27059a20cc9ca951f8aaef7e1b69de86f1715f0ec9c25c95bdc127f4c1b09df21c13c458decad4c26cfd5e621f1f |
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bfu93.exe
| MD5 | da6f3bef8abc85bd09f50783059964e3 |
| SHA1 | a0f25f60ec1896c4c920ea397f40e6ce29724322 |
| SHA256 | e6d9ee8ab0ea2ade6e5a9481d8f0f921427ec6919b1b48c6067570fde270736b |
| SHA512 | 4d2e1472b114c98c74900b8305aabbc49ba28edffdc2376206cf02e26593df4e444933b3aa19f0c6cd0ae3ac3133d656433574aaf25a57748758e5dd25edfbec |
memory/2036-14-0x00000000746DE000-0x00000000746DF000-memory.dmp
memory/2036-15-0x0000000000E90000-0x0000000000EC2000-memory.dmp
memory/2036-16-0x0000000005E20000-0x0000000006438000-memory.dmp
memory/2036-17-0x0000000005970000-0x0000000005A7A000-memory.dmp
memory/2036-18-0x00000000058A0000-0x00000000058B2000-memory.dmp
memory/2036-19-0x0000000005910000-0x000000000594C000-memory.dmp
memory/2036-20-0x0000000005A80000-0x0000000005ACC000-memory.dmp
memory/2036-21-0x00000000746DE000-0x00000000746DF000-memory.dmp