Analysis Overview
SHA256
c4b7cd711d0e1e521f165a2302c23527d7a8ad79d85e1f96f395b129641cb791
Threat Level: Known bad
The file c4b7cd711d0e1e521f165a2302c23527d7a8ad79d85e1f96f395b129641cb791 was found to be: Known bad.
Malicious Activity Summary
Detects executables packed with ASPack
Detects executables packed with ASPack
Executes dropped EXE
Loads dropped DLL
Checks computer location settings
ASPack v2.12-2.42
Unsigned PE
Enumerates physical storage devices
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-05-09 03:43
Signatures
Detects executables packed with ASPack
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
ASPack v2.12-2.42
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-05-09 03:43
Reported
2024-05-09 03:46
Platform
win7-20240508-en
Max time kernel
149s
Max time network
126s
Command Line
Signatures
Detects executables packed with ASPack
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
ASPack v2.12-2.42
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\kdwco.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\c4b7cd711d0e1e521f165a2302c23527d7a8ad79d85e1f96f395b129641cb791.exe | N/A |
Enumerates physical storage devices
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1688 wrote to memory of 1980 | N/A | C:\Users\Admin\AppData\Local\Temp\c4b7cd711d0e1e521f165a2302c23527d7a8ad79d85e1f96f395b129641cb791.exe | C:\Users\Admin\AppData\Local\Temp\kdwco.exe |
| PID 1688 wrote to memory of 1980 | N/A | C:\Users\Admin\AppData\Local\Temp\c4b7cd711d0e1e521f165a2302c23527d7a8ad79d85e1f96f395b129641cb791.exe | C:\Users\Admin\AppData\Local\Temp\kdwco.exe |
| PID 1688 wrote to memory of 1980 | N/A | C:\Users\Admin\AppData\Local\Temp\c4b7cd711d0e1e521f165a2302c23527d7a8ad79d85e1f96f395b129641cb791.exe | C:\Users\Admin\AppData\Local\Temp\kdwco.exe |
| PID 1688 wrote to memory of 1980 | N/A | C:\Users\Admin\AppData\Local\Temp\c4b7cd711d0e1e521f165a2302c23527d7a8ad79d85e1f96f395b129641cb791.exe | C:\Users\Admin\AppData\Local\Temp\kdwco.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\c4b7cd711d0e1e521f165a2302c23527d7a8ad79d85e1f96f395b129641cb791.exe
"C:\Users\Admin\AppData\Local\Temp\c4b7cd711d0e1e521f165a2302c23527d7a8ad79d85e1f96f395b129641cb791.exe"
C:\Users\Admin\AppData\Local\Temp\kdwco.exe
"C:\Users\Admin\AppData\Local\Temp\kdwco.exe"
Network
Files
memory/1688-0-0x0000000000400000-0x0000000000412000-memory.dmp
memory/1688-1-0x0000000000401000-0x0000000000403000-memory.dmp
\Users\Admin\AppData\Local\Temp\kdwco.exe
| MD5 | e76540fdfaeae1d41d20d4839c5a9f88 |
| SHA1 | 632c7c96491544f41b3f4d2afe29b5867b49fe17 |
| SHA256 | f7b267bfdf5cb9b50a0413852f12d8c41401f25fbea845e47799ef7730ad698d |
| SHA512 | 7b36a238dfcacfc776ef18220290947a7ff43b6658ed3305c20f4786f8966663ef9aad8902afe4ae6679c14c659e7adfd2947fc656985fa98f59e47a08d0148a |
memory/1688-9-0x0000000000400000-0x0000000000412000-memory.dmp
memory/1688-8-0x0000000000400000-0x0000000000412000-memory.dmp
memory/1980-11-0x0000000000400000-0x0000000000412000-memory.dmp
memory/1980-14-0x0000000000400000-0x0000000000412000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-05-09 03:43
Reported
2024-05-09 03:46
Platform
win10v2004-20240426-en
Max time kernel
149s
Max time network
153s
Command Line
Signatures
Detects executables packed with ASPack
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
ASPack v2.12-2.42
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-4018855536-2201274732-320770143-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\c4b7cd711d0e1e521f165a2302c23527d7a8ad79d85e1f96f395b129641cb791.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\kdwco.exe | N/A |
Enumerates physical storage devices
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1476 wrote to memory of 3312 | N/A | C:\Users\Admin\AppData\Local\Temp\c4b7cd711d0e1e521f165a2302c23527d7a8ad79d85e1f96f395b129641cb791.exe | C:\Users\Admin\AppData\Local\Temp\kdwco.exe |
| PID 1476 wrote to memory of 3312 | N/A | C:\Users\Admin\AppData\Local\Temp\c4b7cd711d0e1e521f165a2302c23527d7a8ad79d85e1f96f395b129641cb791.exe | C:\Users\Admin\AppData\Local\Temp\kdwco.exe |
| PID 1476 wrote to memory of 3312 | N/A | C:\Users\Admin\AppData\Local\Temp\c4b7cd711d0e1e521f165a2302c23527d7a8ad79d85e1f96f395b129641cb791.exe | C:\Users\Admin\AppData\Local\Temp\kdwco.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\c4b7cd711d0e1e521f165a2302c23527d7a8ad79d85e1f96f395b129641cb791.exe
"C:\Users\Admin\AppData\Local\Temp\c4b7cd711d0e1e521f165a2302c23527d7a8ad79d85e1f96f395b129641cb791.exe"
C:\Users\Admin\AppData\Local\Temp\kdwco.exe
"C:\Users\Admin\AppData\Local\Temp\kdwco.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 | g.bing.com | udp |
| US | 204.79.197.237:443 | g.bing.com | tcp |
| BE | 2.17.196.137:443 | www.bing.com | tcp |
| US | 8.8.8.8:53 | 240.221.184.93.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 237.197.79.204.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| BE | 2.17.196.137:443 | www.bing.com | tcp |
| US | 8.8.8.8:53 | 137.196.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 69.31.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 205.47.74.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 58.55.71.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 183.59.114.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 198.187.3.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 55.36.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 14.227.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 8.8.8.8:53 | 45.19.74.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 200.197.79.204.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.173.189.20.in-addr.arpa | udp |
Files
memory/1476-0-0x0000000000400000-0x0000000000412000-memory.dmp
memory/1476-2-0x0000000000401000-0x0000000000403000-memory.dmp
memory/3312-16-0x0000000000400000-0x0000000000412000-memory.dmp
memory/3312-15-0x0000000000400000-0x0000000000412000-memory.dmp
memory/1476-14-0x0000000000400000-0x0000000000412000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\kdwco.exe
| MD5 | e76540fdfaeae1d41d20d4839c5a9f88 |
| SHA1 | 632c7c96491544f41b3f4d2afe29b5867b49fe17 |
| SHA256 | f7b267bfdf5cb9b50a0413852f12d8c41401f25fbea845e47799ef7730ad698d |
| SHA512 | 7b36a238dfcacfc776ef18220290947a7ff43b6658ed3305c20f4786f8966663ef9aad8902afe4ae6679c14c659e7adfd2947fc656985fa98f59e47a08d0148a |
memory/3312-19-0x0000000000400000-0x0000000000412000-memory.dmp