Analysis Overview
SHA256
40f3e277da7a04b58913ba390827cfd51b318f40768c58f81361b832096ce1ef
Threat Level: Known bad
The file 40f3e277da7a04b58913ba390827cfd51b318f40768c58f81361b832096ce1ef was found to be: Known bad.
Malicious Activity Summary
BitRAT
Executes dropped EXE
Suspicious use of SetThreadContext
Unsigned PE
Program crash
Creates scheduled task(s)
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2023-09-26 14:02
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2023-09-26 14:02
Reported
2023-09-26 14:05
Platform
win10-20230915-en
Max time kernel
147s
Max time network
129s
Command Line
Signatures
BitRAT
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\svchost\svchost.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\svchost\svchost.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 4372 set thread context of 2976 | N/A | C:\Users\Admin\AppData\Local\Temp\40f3e277da7a04b58913ba390827cfd51b318f40768c58f81361b832096ce1ef.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe |
| PID 308 set thread context of 3744 | N/A | C:\Users\Admin\AppData\Roaming\svchost\svchost.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe |
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe |
Creates scheduled task(s)
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\schtasks.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\schtasks.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\40f3e277da7a04b58913ba390827cfd51b318f40768c58f81361b832096ce1ef.exe
"C:\Users\Admin\AppData\Local\Temp\40f3e277da7a04b58913ba390827cfd51b318f40768c58f81361b832096ce1ef.exe"
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
C:\Windows\SysWOW64\cmd.exe
"cmd" /c mkdir "C:\Users\Admin\AppData\Roaming\svchost"
C:\Windows\SysWOW64\cmd.exe
"cmd" /c copy "C:\Users\Admin\AppData\Local\Temp\40f3e277da7a04b58913ba390827cfd51b318f40768c58f81361b832096ce1ef.exe" "C:\Users\Admin\AppData\Roaming\svchost\svchost.exe"
C:\Windows\SysWOW64\cmd.exe
"cmd" /c schtasks /create /sc minute /mo 1 /tn "Nafifas" /tr "'C:\Users\Admin\AppData\Roaming\svchost\svchost.exe'" /f
C:\Windows\SysWOW64\schtasks.exe
schtasks /create /sc minute /mo 1 /tn "Nafifas" /tr "'C:\Users\Admin\AppData\Roaming\svchost\svchost.exe'" /f
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2976 -s 572
C:\Users\Admin\AppData\Roaming\svchost\svchost.exe
C:\Users\Admin\AppData\Roaming\svchost\svchost.exe
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
C:\Windows\SysWOW64\cmd.exe
"cmd" /c mkdir "C:\Users\Admin\AppData\Roaming\svchost"
C:\Windows\SysWOW64\cmd.exe
"cmd" /c schtasks /create /sc minute /mo 1 /tn "Nafifas" /tr "'C:\Users\Admin\AppData\Roaming\svchost\svchost.exe'" /f
C:\Windows\SysWOW64\cmd.exe
"cmd" /c copy "C:\Users\Admin\AppData\Roaming\svchost\svchost.exe" "C:\Users\Admin\AppData\Roaming\svchost\svchost.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3744 -s 552
C:\Windows\SysWOW64\schtasks.exe
schtasks /create /sc minute /mo 1 /tn "Nafifas" /tr "'C:\Users\Admin\AppData\Roaming\svchost\svchost.exe'" /f
C:\Users\Admin\AppData\Roaming\svchost\svchost.exe
C:\Users\Admin\AppData\Roaming\svchost\svchost.exe
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 164.117.19.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 19.229.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 177.25.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 72.239.69.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 8.3.197.209.in-addr.arpa | udp |
Files
memory/4372-0-0x00000000737C0000-0x0000000073EAE000-memory.dmp
memory/4372-1-0x0000000000030000-0x00000000007F6000-memory.dmp
memory/4372-2-0x0000000005150000-0x0000000005160000-memory.dmp
memory/4372-3-0x00000000737C0000-0x0000000073EAE000-memory.dmp
memory/4372-4-0x0000000005150000-0x0000000005160000-memory.dmp
memory/4372-5-0x0000000006B30000-0x00000000072BA000-memory.dmp
memory/2976-7-0x0000000000730000-0x0000000000AFE000-memory.dmp
memory/4372-11-0x00000000737C0000-0x0000000073EAE000-memory.dmp
memory/2976-13-0x0000000000730000-0x0000000000AFE000-memory.dmp
memory/2976-19-0x0000000000730000-0x0000000000AFE000-memory.dmp
memory/2976-20-0x0000000000730000-0x0000000000AFE000-memory.dmp
memory/2976-21-0x0000000000730000-0x0000000000AFE000-memory.dmp
memory/2976-22-0x0000000000730000-0x0000000000AFE000-memory.dmp
memory/2976-23-0x0000000000730000-0x0000000000AFE000-memory.dmp
memory/2976-24-0x0000000000730000-0x0000000000AFE000-memory.dmp
memory/2976-25-0x0000000000730000-0x0000000000AFE000-memory.dmp
memory/2976-26-0x0000000000730000-0x0000000000AFE000-memory.dmp
C:\Users\Admin\AppData\Roaming\svchost\svchost.exe
| MD5 | b8d03a02e654dfc840f21297b8dc99b2 |
| SHA1 | 615aced62a15e9a1733bfb2c390ba83f024bbbd7 |
| SHA256 | 40f3e277da7a04b58913ba390827cfd51b318f40768c58f81361b832096ce1ef |
| SHA512 | 5f9b459df94dac7dc17f90a8dc53d968c3c0e2fc5c41b107ece1683621ef887d8f01abeec04ec0d9beb87fd11c54f39d71c7ec5c2502ec1db68ffacd018c4194 |
C:\Users\Admin\AppData\Roaming\svchost\svchost.exe
| MD5 | b8d03a02e654dfc840f21297b8dc99b2 |
| SHA1 | 615aced62a15e9a1733bfb2c390ba83f024bbbd7 |
| SHA256 | 40f3e277da7a04b58913ba390827cfd51b318f40768c58f81361b832096ce1ef |
| SHA512 | 5f9b459df94dac7dc17f90a8dc53d968c3c0e2fc5c41b107ece1683621ef887d8f01abeec04ec0d9beb87fd11c54f39d71c7ec5c2502ec1db68ffacd018c4194 |
memory/308-29-0x00000000727E0000-0x0000000072ECE000-memory.dmp
memory/308-30-0x0000000005B00000-0x0000000005C00000-memory.dmp
memory/308-31-0x00000000727E0000-0x0000000072ECE000-memory.dmp
memory/308-32-0x0000000005B00000-0x0000000005C00000-memory.dmp
memory/3744-39-0x00000000005C0000-0x000000000098E000-memory.dmp
memory/3744-43-0x00000000005C0000-0x000000000098E000-memory.dmp
memory/3744-44-0x00000000005C0000-0x000000000098E000-memory.dmp
memory/308-46-0x00000000727E0000-0x0000000072ECE000-memory.dmp
memory/3744-45-0x00000000005C0000-0x000000000098E000-memory.dmp
memory/3744-47-0x00000000005C0000-0x000000000098E000-memory.dmp
memory/3744-48-0x00000000005C0000-0x000000000098E000-memory.dmp
memory/3744-49-0x00000000005C0000-0x000000000098E000-memory.dmp
memory/3744-51-0x00000000005C0000-0x000000000098E000-memory.dmp
memory/3744-50-0x00000000005C0000-0x000000000098E000-memory.dmp
C:\Users\Admin\AppData\Roaming\svchost\svchost.exe
| MD5 | b8d03a02e654dfc840f21297b8dc99b2 |
| SHA1 | 615aced62a15e9a1733bfb2c390ba83f024bbbd7 |
| SHA256 | 40f3e277da7a04b58913ba390827cfd51b318f40768c58f81361b832096ce1ef |
| SHA512 | 5f9b459df94dac7dc17f90a8dc53d968c3c0e2fc5c41b107ece1683621ef887d8f01abeec04ec0d9beb87fd11c54f39d71c7ec5c2502ec1db68ffacd018c4194 |
C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\svchost.exe.log
| MD5 | 605f809fab8c19729d39d075f7ffdb53 |
| SHA1 | c546f877c9bd53563174a90312a8337fdfc5fdd9 |
| SHA256 | 6904d540649e76c55f99530b81be17e099184bb4cad415aa9b9b39cc3677f556 |
| SHA512 | 82cc12c3186ae23884b8d5c104638c8206272c4389ade56b926dfc1d437b03888159b3c790b188b54d277a262e731927e703e680ea642e1417faee27443fd5b3 |
memory/3200-54-0x00000000727E0000-0x0000000072ECE000-memory.dmp
memory/3200-55-0x0000000005A00000-0x0000000005B00000-memory.dmp