Analysis Overview
SHA256
f7e2d103fb403399e4dca1625cd9a733b0fd50e04fdeb435a81ade7b6f7d56e3
Threat Level: Known bad
The file f7e2d103fb403399e4dca1625cd9a733b0fd50e04fdeb435a81ade7b6f7d56e3 was found to be: Known bad.
Malicious Activity Summary
Nymaim family
Checks computer location settings
Deletes itself
Enumerates physical storage devices
Kills process with taskkill
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V6
Analysis: static1
Detonation Overview
Reported
2022-12-29 13:15
Signatures
Nymaim family
Analysis: behavioral1
Detonation Overview
Submitted
2022-12-29 13:15
Reported
2022-12-29 13:17
Platform
win7-20220901-en
Max time kernel
49s
Max time network
52s
Command Line
Signatures
Deletes itself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\cmd.exe | N/A |
Enumerates physical storage devices
Kills process with taskkill
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\taskkill.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Windows\SysWOW64\taskkill.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\f7e2d103fb403399e4dca1625cd9a733b0fd50e04fdeb435a81ade7b6f7d56e3.exe
"C:\Users\Admin\AppData\Local\Temp\f7e2d103fb403399e4dca1625cd9a733b0fd50e04fdeb435a81ade7b6f7d56e3.exe"
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c taskkill /im "f7e2d103fb403399e4dca1625cd9a733b0fd50e04fdeb435a81ade7b6f7d56e3.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\f7e2d103fb403399e4dca1625cd9a733b0fd50e04fdeb435a81ade7b6f7d56e3.exe" & exit
C:\Windows\SysWOW64\taskkill.exe
taskkill /im "f7e2d103fb403399e4dca1625cd9a733b0fd50e04fdeb435a81ade7b6f7d56e3.exe" /f
Network
| Country | Destination | Domain | Proto |
| N/A | 45.139.105.171:80 | 45.139.105.171 | tcp |
Files
memory/1364-54-0x0000000075091000-0x0000000075093000-memory.dmp
memory/1716-55-0x0000000000000000-mapping.dmp
memory/1736-56-0x0000000000000000-mapping.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2022-12-29 13:15
Reported
2022-12-29 13:17
Platform
win10v2004-20221111-en
Max time kernel
111s
Max time network
142s
Command Line
Signatures
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\f7e2d103fb403399e4dca1625cd9a733b0fd50e04fdeb435a81ade7b6f7d56e3.exe | N/A |
Enumerates physical storage devices
Kills process with taskkill
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\taskkill.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Windows\SysWOW64\taskkill.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 3144 wrote to memory of 4928 | N/A | C:\Users\Admin\AppData\Local\Temp\f7e2d103fb403399e4dca1625cd9a733b0fd50e04fdeb435a81ade7b6f7d56e3.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 3144 wrote to memory of 4928 | N/A | C:\Users\Admin\AppData\Local\Temp\f7e2d103fb403399e4dca1625cd9a733b0fd50e04fdeb435a81ade7b6f7d56e3.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 3144 wrote to memory of 4928 | N/A | C:\Users\Admin\AppData\Local\Temp\f7e2d103fb403399e4dca1625cd9a733b0fd50e04fdeb435a81ade7b6f7d56e3.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 4928 wrote to memory of 3284 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Windows\SysWOW64\taskkill.exe |
| PID 4928 wrote to memory of 3284 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Windows\SysWOW64\taskkill.exe |
| PID 4928 wrote to memory of 3284 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Windows\SysWOW64\taskkill.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\f7e2d103fb403399e4dca1625cd9a733b0fd50e04fdeb435a81ade7b6f7d56e3.exe
"C:\Users\Admin\AppData\Local\Temp\f7e2d103fb403399e4dca1625cd9a733b0fd50e04fdeb435a81ade7b6f7d56e3.exe"
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c taskkill /im "f7e2d103fb403399e4dca1625cd9a733b0fd50e04fdeb435a81ade7b6f7d56e3.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\f7e2d103fb403399e4dca1625cd9a733b0fd50e04fdeb435a81ade7b6f7d56e3.exe" & exit
C:\Windows\SysWOW64\taskkill.exe
taskkill /im "f7e2d103fb403399e4dca1625cd9a733b0fd50e04fdeb435a81ade7b6f7d56e3.exe" /f
Network
| Country | Destination | Domain | Proto |
| N/A | 45.139.105.171:80 | 45.139.105.171 | tcp |
| N/A | 93.184.221.240:80 | tcp | |
| N/A | 93.184.221.240:80 | tcp | |
| N/A | 20.42.73.26:443 | tcp | |
| N/A | 104.80.225.205:443 | tcp | |
| N/A | 93.184.221.240:80 | tcp | |
| N/A | 93.184.221.240:80 | tcp | |
| N/A | 93.184.221.240:80 | tcp |
Files
memory/4928-132-0x0000000000000000-mapping.dmp
memory/3284-133-0x0000000000000000-mapping.dmp