Analysis Overview
SHA256
976ef2ef359ebd6fff5e206f9586d17bab0ee5e4d1bfe9334cc33a3986365f4a
Threat Level: Known bad
The file 976ef2ef359ebd6fff5e206f9586d17bab0ee5e4d1bfe9334cc33a3986365f4a was found to be: Known bad.
Malicious Activity Summary
Kutaki Executable
Kutaki family
Kutaki
Executes dropped EXE
Drops startup file
Loads dropped DLL
Enumerates physical storage devices
Suspicious use of WriteProcessMemory
Suspicious use of SetWindowsHookEx
MITRE ATT&CK
Enterprise Matrix V6
Analysis: static1
Detonation Overview
Reported
2022-03-29 20:01
Signatures
Kutaki Executable
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Kutaki family
Analysis: behavioral2
Detonation Overview
Submitted
2022-03-29 20:01
Reported
2022-03-31 20:54
Platform
win10v2004-en-20220113
Max time kernel
132s
Max time network
138s
Command Line
Signatures
Kutaki
Kutaki Executable
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\eifankch.exe | N/A |
Drops startup file
| Description | Indicator | Process | Target |
| File created | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\eifankch.exe | C:\Users\Admin\AppData\Local\Temp\976ef2ef359ebd6fff5e206f9586d17bab0ee5e4d1bfe9334cc33a3986365f4a.exe | N/A |
| File opened for modification | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\eifankch.exe | C:\Users\Admin\AppData\Local\Temp\976ef2ef359ebd6fff5e206f9586d17bab0ee5e4d1bfe9334cc33a3986365f4a.exe | N/A |
Enumerates physical storage devices
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\976ef2ef359ebd6fff5e206f9586d17bab0ee5e4d1bfe9334cc33a3986365f4a.exe
"C:\Users\Admin\AppData\Local\Temp\976ef2ef359ebd6fff5e206f9586d17bab0ee5e4d1bfe9334cc33a3986365f4a.exe"
C:\Windows\SysWOW64\cmd.exe
cmd.exe /c C:\Users\Admin\AppData\Local\Temp\
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\eifankch.exe
"C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\eifankch.exe"
Network
Files
memory/2972-132-0x0000000000000000-mapping.dmp
memory/4892-133-0x0000000000000000-mapping.dmp
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\eifankch.exe
| MD5 | 89070447b67e5906a567c61c88024e9c |
| SHA1 | 1953e631b3b7cc106d2c34dfe5d4bc95d0c458e5 |
| SHA256 | 976ef2ef359ebd6fff5e206f9586d17bab0ee5e4d1bfe9334cc33a3986365f4a |
| SHA512 | 2b2c3d5306e10ea7e93e6aeaa0240d4fca5d91aa5186b49e1a7493b58efa90373f072762ab12c395b86d6153cee070e9e1f3948702a12357f983e7228ddf28a8 |
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\eifankch.exe
| MD5 | 89070447b67e5906a567c61c88024e9c |
| SHA1 | 1953e631b3b7cc106d2c34dfe5d4bc95d0c458e5 |
| SHA256 | 976ef2ef359ebd6fff5e206f9586d17bab0ee5e4d1bfe9334cc33a3986365f4a |
| SHA512 | 2b2c3d5306e10ea7e93e6aeaa0240d4fca5d91aa5186b49e1a7493b58efa90373f072762ab12c395b86d6153cee070e9e1f3948702a12357f983e7228ddf28a8 |
Analysis: behavioral1
Detonation Overview
Submitted
2022-03-29 20:01
Reported
2022-03-31 20:54
Platform
win7-20220331-en
Max time kernel
2s
Max time network
46s
Command Line
Signatures
Kutaki
Kutaki Executable
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\vevneach.exe | N/A |
Drops startup file
| Description | Indicator | Process | Target |
| File opened for modification | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\vevneach.exe | C:\Users\Admin\AppData\Local\Temp\976ef2ef359ebd6fff5e206f9586d17bab0ee5e4d1bfe9334cc33a3986365f4a.exe | N/A |
| File created | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\vevneach.exe | C:\Users\Admin\AppData\Local\Temp\976ef2ef359ebd6fff5e206f9586d17bab0ee5e4d1bfe9334cc33a3986365f4a.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\976ef2ef359ebd6fff5e206f9586d17bab0ee5e4d1bfe9334cc33a3986365f4a.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\976ef2ef359ebd6fff5e206f9586d17bab0ee5e4d1bfe9334cc33a3986365f4a.exe | N/A |
Enumerates physical storage devices
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\976ef2ef359ebd6fff5e206f9586d17bab0ee5e4d1bfe9334cc33a3986365f4a.exe
"C:\Users\Admin\AppData\Local\Temp\976ef2ef359ebd6fff5e206f9586d17bab0ee5e4d1bfe9334cc33a3986365f4a.exe"
C:\Windows\SysWOW64\cmd.exe
cmd.exe /c C:\Users\Admin\AppData\Local\Temp\
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\vevneach.exe
"C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\vevneach.exe"
Network
Files
memory/1400-56-0x0000000075BD1000-0x0000000075BD3000-memory.dmp
memory/1748-57-0x0000000000000000-mapping.dmp
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\vevneach.exe
| MD5 | 89070447b67e5906a567c61c88024e9c |
| SHA1 | 1953e631b3b7cc106d2c34dfe5d4bc95d0c458e5 |
| SHA256 | 976ef2ef359ebd6fff5e206f9586d17bab0ee5e4d1bfe9334cc33a3986365f4a |
| SHA512 | 2b2c3d5306e10ea7e93e6aeaa0240d4fca5d91aa5186b49e1a7493b58efa90373f072762ab12c395b86d6153cee070e9e1f3948702a12357f983e7228ddf28a8 |
memory/1744-60-0x0000000000000000-mapping.dmp
\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\vevneach.exe
| MD5 | 89070447b67e5906a567c61c88024e9c |
| SHA1 | 1953e631b3b7cc106d2c34dfe5d4bc95d0c458e5 |
| SHA256 | 976ef2ef359ebd6fff5e206f9586d17bab0ee5e4d1bfe9334cc33a3986365f4a |
| SHA512 | 2b2c3d5306e10ea7e93e6aeaa0240d4fca5d91aa5186b49e1a7493b58efa90373f072762ab12c395b86d6153cee070e9e1f3948702a12357f983e7228ddf28a8 |
\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\vevneach.exe
| MD5 | 89070447b67e5906a567c61c88024e9c |
| SHA1 | 1953e631b3b7cc106d2c34dfe5d4bc95d0c458e5 |
| SHA256 | 976ef2ef359ebd6fff5e206f9586d17bab0ee5e4d1bfe9334cc33a3986365f4a |
| SHA512 | 2b2c3d5306e10ea7e93e6aeaa0240d4fca5d91aa5186b49e1a7493b58efa90373f072762ab12c395b86d6153cee070e9e1f3948702a12357f983e7228ddf28a8 |