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
Suspicious use of NtSetInformationThreadHideFromDebugger
Program crash
Unsigned PE
Creates scheduled task(s)
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2023-10-11 14:26
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral2
Detonation Overview
Submitted
2023-10-11 14:26
Reported
2023-10-12 03:44
Platform
win10v2004-20230915-en
Max time kernel
145s
Max time network
146s
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 3924 set thread context of 2872 | N/A | C:\Users\Admin\AppData\Local\Temp\40f3e277da7a04b58913ba390827cfd51b318f40768c58f81361b832096ce1ef.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe |
| PID 4512 set thread context of 2680 | 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\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 -pss -s 424 -p 2872 -ip 2872
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\cmd.exe
"cmd" /c mkdir "C:\Users\Admin\AppData\Roaming\svchost"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2872 -s 540
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 -pss -s 480 -p 2680 -ip 2680
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 2680 -s 196
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 | 208.194.73.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 1.208.79.178.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 69.31.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 134.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 55.36.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 158.240.127.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 50.23.12.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 171.39.242.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 113.208.253.8.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 | 240.221.184.93.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 23.236.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 85.65.42.20.in-addr.arpa | udp |
Files
memory/3924-0-0x0000000074B10000-0x00000000752C0000-memory.dmp
memory/3924-1-0x0000000000760000-0x0000000000F26000-memory.dmp
memory/3924-2-0x0000000005A70000-0x0000000005A80000-memory.dmp
memory/3924-3-0x0000000074B10000-0x00000000752C0000-memory.dmp
memory/3924-4-0x0000000005A70000-0x0000000005A80000-memory.dmp
memory/3924-5-0x0000000007480000-0x0000000007C0A000-memory.dmp
memory/2872-6-0x0000000000B00000-0x0000000000ECE000-memory.dmp
memory/2872-12-0x0000000000B00000-0x0000000000ECE000-memory.dmp
memory/3924-11-0x0000000074B10000-0x00000000752C0000-memory.dmp
memory/2872-16-0x0000000000B00000-0x0000000000ECE000-memory.dmp
memory/2872-17-0x0000000000B00000-0x0000000000ECE000-memory.dmp
memory/2872-18-0x0000000000B00000-0x0000000000ECE000-memory.dmp
memory/2872-19-0x0000000000B00000-0x0000000000ECE000-memory.dmp
memory/2872-24-0x0000000000B00000-0x0000000000ECE000-memory.dmp
memory/2872-25-0x0000000000B00000-0x0000000000ECE000-memory.dmp
memory/2872-23-0x0000000000B00000-0x0000000000ECE000-memory.dmp
memory/2872-22-0x0000000000B00000-0x0000000000ECE000-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/4512-28-0x0000000074B10000-0x00000000752C0000-memory.dmp
memory/4512-29-0x0000000074B10000-0x00000000752C0000-memory.dmp
memory/2680-35-0x0000000000900000-0x0000000000CCE000-memory.dmp
memory/2680-40-0x0000000000900000-0x0000000000CCE000-memory.dmp
memory/2680-41-0x0000000000900000-0x0000000000CCE000-memory.dmp
memory/4512-43-0x0000000074B10000-0x00000000752C0000-memory.dmp
memory/2680-42-0x0000000000900000-0x0000000000CCE000-memory.dmp
memory/2680-44-0x0000000000900000-0x0000000000CCE000-memory.dmp
memory/2680-45-0x0000000000900000-0x0000000000CCE000-memory.dmp
memory/2680-46-0x0000000000900000-0x0000000000CCE000-memory.dmp
memory/2680-47-0x0000000000900000-0x0000000000CCE000-memory.dmp
memory/2680-48-0x0000000000900000-0x0000000000CCE000-memory.dmp
C:\Users\Admin\AppData\Roaming\svchost\svchost.exe
| MD5 | 346181f1944dea48ed9aa27a2304da26 |
| SHA1 | bf14f4d265c7d6f5d5c9bd902c312a451d1be780 |
| SHA256 | eb52d424af68721dc8114f47386e49b05646b8fadb9043885de21e5112dbafa3 |
| SHA512 | a103db534e909c1fc319c66d1f8448c668bfd25567b3d1586b7d6976081d65b65051179dcc9e48aabae89c2b5b897e7109b385fd180e29f59a21f1aae8126ba5 |
C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\svchost.exe.log
| MD5 | 4eaca4566b22b01cd3bc115b9b0b2196 |
| SHA1 | e743e0792c19f71740416e7b3c061d9f1336bf94 |
| SHA256 | 34ba0ab8d1850e7825763f413142a333ccbc05fa2b5499a28a7d27b8a1c5b4bb |
| SHA512 | bc2b1bf45203e3bb3009a7d37617b8f0f7ffa613680b32de2b963e39d2cf1650614d7035a0cf78f35a4f5cb17a2a439e2e07deaefd2a4275a62efd0a5c0184a1 |
memory/1248-51-0x0000000074BB0000-0x0000000075360000-memory.dmp
memory/1248-52-0x0000000074BB0000-0x0000000075360000-memory.dmp
Analysis: behavioral1
Detonation Overview
Submitted
2023-10-11 14:26
Reported
2023-10-12 03:44
Platform
win7-20230831-en
Max time kernel
147s
Max time network
148s
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 |
Suspicious use of NtSetInformationThreadHideFromDebugger
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe | N/A |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe | N/A |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe | N/A |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe | N/A |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 1772 set thread context of 2828 | N/A | C:\Users\Admin\AppData\Local\Temp\40f3e277da7a04b58913ba390827cfd51b318f40768c58f81361b832096ce1ef.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe |
| PID 1464 set thread context of 596 | N/A | C:\Users\Admin\AppData\Roaming\svchost\svchost.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 AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe | N/A |
| Token: SeShutdownPrivilege | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe | N/A |
| Token: SeShutdownPrivilege | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe | N/A |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.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 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\cmd.exe
"cmd" /c copy "C:\Users\Admin\AppData\Local\Temp\40f3e277da7a04b58913ba390827cfd51b318f40768c58f81361b832096ce1ef.exe" "C:\Users\Admin\AppData\Roaming\svchost\svchost.exe"
C:\Windows\system32\taskeng.exe
taskeng.exe {8ABDCF0B-AC59-484C-922A-F7D825B0BE52} S-1-5-21-3513876443-2771975297-1923446376-1000:GPFFWLPI\Admin:Interactive:[1]
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 copy "C:\Users\Admin\AppData\Roaming\svchost\svchost.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
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | bitnow7005.duckdns.org | udp |
| BG | 2.59.254.205:7005 | bitnow7005.duckdns.org | tcp |
| BG | 2.59.254.205:7005 | bitnow7005.duckdns.org | tcp |
| BG | 2.59.254.205:7005 | bitnow7005.duckdns.org | tcp |
| BG | 2.59.254.205:7005 | bitnow7005.duckdns.org | tcp |
| BG | 2.59.254.205:7005 | bitnow7005.duckdns.org | tcp |
| US | 8.8.8.8:53 | bitnow7005.duckdns.org | udp |
| BG | 2.59.254.205:7005 | bitnow7005.duckdns.org | tcp |
| BG | 2.59.254.205:7005 | bitnow7005.duckdns.org | tcp |
Files
memory/1772-0-0x0000000074440000-0x0000000074B2E000-memory.dmp
memory/1772-1-0x0000000000FA0000-0x0000000001766000-memory.dmp
memory/1772-2-0x00000000051C0000-0x0000000005200000-memory.dmp
memory/1772-3-0x0000000074440000-0x0000000074B2E000-memory.dmp
memory/1772-4-0x00000000051C0000-0x0000000005200000-memory.dmp
memory/1772-5-0x0000000006A30000-0x00000000071BA000-memory.dmp
memory/2828-6-0x00000000004B0000-0x000000000087E000-memory.dmp
memory/2828-8-0x00000000004B0000-0x000000000087E000-memory.dmp
memory/2828-10-0x00000000004B0000-0x000000000087E000-memory.dmp
memory/2828-12-0x00000000004B0000-0x000000000087E000-memory.dmp
memory/2828-13-0x00000000004B0000-0x000000000087E000-memory.dmp
memory/2828-15-0x00000000004B0000-0x000000000087E000-memory.dmp
memory/2828-17-0x00000000004B0000-0x000000000087E000-memory.dmp
memory/2828-19-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/2828-21-0x00000000004B0000-0x000000000087E000-memory.dmp
memory/2828-26-0x00000000004B0000-0x000000000087E000-memory.dmp
memory/2828-30-0x00000000004B0000-0x000000000087E000-memory.dmp
memory/1772-32-0x0000000074440000-0x0000000074B2E000-memory.dmp
memory/2828-31-0x00000000004B0000-0x000000000087E000-memory.dmp
memory/2828-33-0x00000000004B0000-0x000000000087E000-memory.dmp
memory/2828-34-0x00000000004B0000-0x000000000087E000-memory.dmp
memory/2828-37-0x00000000004B0000-0x000000000087E000-memory.dmp
memory/2828-38-0x00000000004B0000-0x000000000087E000-memory.dmp
memory/2828-39-0x00000000004B0000-0x000000000087E000-memory.dmp
memory/2828-40-0x00000000004B0000-0x000000000087E000-memory.dmp
memory/2828-41-0x00000000004B0000-0x000000000087E000-memory.dmp
memory/2828-42-0x00000000004B0000-0x000000000087E000-memory.dmp
memory/2828-43-0x00000000004B0000-0x000000000087E000-memory.dmp
memory/2828-44-0x00000000004B0000-0x000000000087E000-memory.dmp
memory/2828-45-0x00000000004B0000-0x000000000087E000-memory.dmp
memory/2828-47-0x00000000004B0000-0x000000000087E000-memory.dmp
memory/2828-46-0x00000000004B0000-0x000000000087E000-memory.dmp
memory/2828-48-0x00000000004B0000-0x000000000087E000-memory.dmp
memory/2828-49-0x00000000004B0000-0x000000000087E000-memory.dmp
memory/2828-50-0x00000000004B0000-0x000000000087E000-memory.dmp
memory/2828-51-0x00000000004B0000-0x000000000087E000-memory.dmp
memory/2828-52-0x00000000004B0000-0x000000000087E000-memory.dmp
memory/2828-53-0x00000000004B0000-0x000000000087E000-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/1464-56-0x00000000731B0000-0x000000007389E000-memory.dmp
memory/1464-57-0x0000000001260000-0x0000000001A26000-memory.dmp
memory/1464-58-0x0000000004FB0000-0x0000000004FF0000-memory.dmp
memory/2828-59-0x00000000004B0000-0x000000000087E000-memory.dmp
memory/2828-60-0x00000000004B0000-0x000000000087E000-memory.dmp
memory/1464-61-0x00000000731B0000-0x000000007389E000-memory.dmp
memory/1464-62-0x0000000004FB0000-0x0000000004FF0000-memory.dmp
memory/2828-63-0x00000000004B0000-0x000000000087E000-memory.dmp
memory/2828-64-0x00000000004B0000-0x000000000087E000-memory.dmp
memory/596-77-0x0000000000400000-0x00000000007CE000-memory.dmp
memory/596-79-0x0000000000400000-0x00000000007CE000-memory.dmp
memory/1464-90-0x00000000731B0000-0x000000007389E000-memory.dmp