Analysis Overview
SHA256
40f3e277da7a04b58913ba390827cfd51b318f40768c58f81361b832096ce1ef
Threat Level: Known bad
The file bawo.exe was found to be: Known bad.
Malicious Activity Summary
BitRAT
Executes dropped EXE
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Unsigned PE
Program crash
Creates scheduled task(s)
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetWindowsHookEx
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2023-10-11 14:24
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2023-10-11 14:24
Reported
2023-10-12 03:31
Platform
win7-20230831-en
Max time kernel
146s
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 |
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 2484 set thread context of 2444 | N/A | C:\Users\Admin\AppData\Local\Temp\bawo.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe |
| PID 760 set thread context of 584 | 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\bawo.exe
"C:\Users\Admin\AppData\Local\Temp\bawo.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\bawo.exe" "C:\Users\Admin\AppData\Roaming\svchost\svchost.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\cmd.exe
"cmd" /c schtasks /create /sc minute /mo 1 /tn "Nafifas" /tr "'C:\Users\Admin\AppData\Roaming\svchost\svchost.exe'" /f
C:\Windows\system32\taskeng.exe
taskeng.exe {8E25941C-26D6-4F82-ABA6-25E4463255F6} S-1-5-21-686452656-3203474025-4140627569-1000:UUVOHKNL\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 |
| 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 |
Files
memory/2484-0-0x0000000074230000-0x000000007491E000-memory.dmp
memory/2484-1-0x0000000001130000-0x00000000018F6000-memory.dmp
memory/2484-2-0x0000000000F00000-0x0000000000F40000-memory.dmp
memory/2484-3-0x0000000074230000-0x000000007491E000-memory.dmp
memory/2484-4-0x0000000007260000-0x00000000079EA000-memory.dmp
memory/2444-5-0x0000000000400000-0x00000000007CE000-memory.dmp
memory/2444-7-0x0000000000400000-0x00000000007CE000-memory.dmp
memory/2444-6-0x0000000000400000-0x00000000007CE000-memory.dmp
memory/2444-8-0x0000000000400000-0x00000000007CE000-memory.dmp
memory/2444-10-0x0000000000400000-0x00000000007CE000-memory.dmp
memory/2444-12-0x0000000000400000-0x00000000007CE000-memory.dmp
memory/2444-14-0x0000000000400000-0x00000000007CE000-memory.dmp
memory/2444-16-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/2444-18-0x0000000000400000-0x00000000007CE000-memory.dmp
memory/2444-20-0x0000000000400000-0x00000000007CE000-memory.dmp
memory/2444-22-0x0000000000400000-0x00000000007CE000-memory.dmp
memory/2444-24-0x0000000000400000-0x00000000007CE000-memory.dmp
memory/2444-26-0x0000000000400000-0x00000000007CE000-memory.dmp
memory/2444-28-0x0000000000400000-0x00000000007CE000-memory.dmp
memory/2444-30-0x0000000000400000-0x00000000007CE000-memory.dmp
memory/2444-32-0x0000000000400000-0x00000000007CE000-memory.dmp
memory/2484-35-0x0000000074230000-0x000000007491E000-memory.dmp
memory/2444-34-0x0000000000400000-0x00000000007CE000-memory.dmp
memory/2444-37-0x0000000000400000-0x00000000007CE000-memory.dmp
memory/2444-40-0x0000000000400000-0x00000000007CE000-memory.dmp
memory/2444-42-0x0000000000400000-0x00000000007CE000-memory.dmp
memory/2444-43-0x0000000000400000-0x00000000007CE000-memory.dmp
memory/2444-41-0x0000000000400000-0x00000000007CE000-memory.dmp
memory/2444-44-0x0000000000400000-0x00000000007CE000-memory.dmp
memory/2444-45-0x0000000000400000-0x00000000007CE000-memory.dmp
memory/2444-46-0x0000000000400000-0x00000000007CE000-memory.dmp
memory/2444-47-0x0000000000400000-0x00000000007CE000-memory.dmp
memory/2444-48-0x0000000000400000-0x00000000007CE000-memory.dmp
memory/2444-49-0x0000000000400000-0x00000000007CE000-memory.dmp
memory/2444-50-0x0000000000400000-0x00000000007CE000-memory.dmp
memory/2444-51-0x0000000000400000-0x00000000007CE000-memory.dmp
memory/2444-52-0x0000000000400000-0x00000000007CE000-memory.dmp
memory/2444-53-0x0000000000400000-0x00000000007CE000-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/760-56-0x0000000072F30000-0x000000007361E000-memory.dmp
memory/760-57-0x0000000000230000-0x00000000009F6000-memory.dmp
memory/760-58-0x0000000004ED0000-0x0000000004F10000-memory.dmp
memory/2444-59-0x0000000000400000-0x00000000007CE000-memory.dmp
memory/2444-60-0x0000000000400000-0x00000000007CE000-memory.dmp
memory/760-61-0x0000000072F30000-0x000000007361E000-memory.dmp
memory/760-62-0x0000000004ED0000-0x0000000004F10000-memory.dmp
memory/2444-63-0x0000000000400000-0x00000000007CE000-memory.dmp
memory/2444-64-0x0000000000400000-0x00000000007CE000-memory.dmp
memory/760-100-0x0000000072F30000-0x000000007361E000-memory.dmp
memory/584-103-0x0000000000400000-0x00000000007CE000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2023-10-11 14:24
Reported
2023-10-12 03:31
Platform
win10v2004-20230915-en
Max time kernel
152s
Max time network
157s
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 SetThreadContext
| Description | Indicator | Process | Target |
| PID 3752 set thread context of 4124 | N/A | C:\Users\Admin\AppData\Local\Temp\bawo.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 |
Creates scheduled task(s)
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\schtasks.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\bawo.exe
"C:\Users\Admin\AppData\Local\Temp\bawo.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\bawo.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\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 364 -p 4124 -ip 4124
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 4124 -s 540
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 | 23.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 254.177.238.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 9.228.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 146.78.124.51.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 29.81.57.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 88.156.103.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.165.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 138.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 56.126.166.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 55.36.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 13.227.111.52.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 | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 8.8.8.8:53 | 1.202.248.87.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 131.72.42.20.in-addr.arpa | udp |
Files
memory/3752-0-0x00000000747E0000-0x0000000074F90000-memory.dmp
memory/3752-1-0x0000000000350000-0x0000000000B16000-memory.dmp
memory/3752-2-0x0000000005450000-0x0000000005460000-memory.dmp
memory/3752-3-0x00000000747E0000-0x0000000074F90000-memory.dmp
memory/3752-4-0x0000000005450000-0x0000000005460000-memory.dmp
memory/3752-5-0x0000000007020000-0x00000000077AA000-memory.dmp
memory/4124-6-0x0000000000500000-0x00000000008CE000-memory.dmp
memory/4124-11-0x0000000000500000-0x00000000008CE000-memory.dmp
memory/4124-16-0x0000000000500000-0x00000000008CE000-memory.dmp
memory/4124-17-0x0000000000500000-0x00000000008CE000-memory.dmp
memory/3752-19-0x00000000747E0000-0x0000000074F90000-memory.dmp
memory/4124-20-0x0000000000500000-0x00000000008CE000-memory.dmp
memory/4124-18-0x0000000000500000-0x00000000008CE000-memory.dmp
memory/4124-21-0x0000000000500000-0x00000000008CE000-memory.dmp
memory/4124-23-0x0000000000500000-0x00000000008CE000-memory.dmp
memory/4124-22-0x0000000000500000-0x00000000008CE000-memory.dmp
memory/4124-24-0x0000000000500000-0x00000000008CE000-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/4068-29-0x00000000747E0000-0x0000000074F90000-memory.dmp
memory/4068-30-0x00000000747E0000-0x0000000074F90000-memory.dmp