Analysis Overview
SHA256
3ac3647f6d46ddd5220e483a90d09442b440a01bd66ec95c117ad3d3e018def8
Threat Level: Known bad
The file jbitrt.exe was found to be: Known bad.
Malicious Activity Summary
BitRAT
UPX packed file
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Program crash
Unsigned PE
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
Creates scheduled task(s)
Suspicious use of SetWindowsHookEx
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2023-08-05 23:47
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral2
Detonation Overview
Submitted
2023-08-05 23:46
Reported
2023-08-05 23:50
Platform
win10v2004-20230703-en
Max time kernel
142s
Max time network
158s
Command Line
Signatures
UPX packed file
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 3628 set thread context of 396 | N/A | C:\Users\Admin\AppData\Local\Temp\jbitrt.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 |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\jbitrt.exe
"C:\Users\Admin\AppData\Local\Temp\jbitrt.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\Local\Temp\kbitt"
C:\Windows\SysWOW64\cmd.exe
"cmd" /c copy "C:\Users\Admin\AppData\Local\Temp\jbitrt.exe" "C:\Users\Admin\AppData\Local\Temp\kbitt\kbitt.exe"
C:\Windows\SysWOW64\cmd.exe
"cmd" /c schtasks /create /sc minute /mo 10 /tn "Nano" /tr "'C:\Users\Admin\AppData\Local\Temp\kbitt\kbitt.exe'" /f
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 396 -ip 396
C:\Windows\SysWOW64\schtasks.exe
schtasks /create /sc minute /mo 10 /tn "Nano" /tr "'C:\Users\Admin\AppData\Local\Temp\kbitt\kbitt.exe'" /f
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 396 -s 536
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 396 -ip 396
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 396 -s 540
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 158.240.127.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.221.184.93.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 74.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 86.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.31.95.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 1.208.79.178.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 73.254.224.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 208.143.182.52.in-addr.arpa | udp |
Files
memory/3628-133-0x00000000749A0000-0x0000000075150000-memory.dmp
memory/3628-134-0x0000000000B60000-0x0000000000D0C000-memory.dmp
memory/3628-135-0x00000000056A0000-0x00000000056B0000-memory.dmp
memory/3628-136-0x00000000749A0000-0x0000000075150000-memory.dmp
memory/3628-137-0x00000000056A0000-0x00000000056B0000-memory.dmp
memory/396-139-0x0000000000A00000-0x0000000000DE4000-memory.dmp
memory/396-141-0x0000000000A00000-0x0000000000DE4000-memory.dmp
memory/3628-142-0x00000000749A0000-0x0000000075150000-memory.dmp
Analysis: behavioral1
Detonation Overview
Submitted
2023-08-05 23:46
Reported
2023-08-05 23:50
Platform
win7-20230712-en
Max time kernel
143s
Max time network
149s
Command Line
Signatures
BitRAT
UPX packed file
| Description | Indicator | Process | Target |
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| N/A | N/A | N/A | 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 |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2196 set thread context of 2916 | N/A | C:\Users\Admin\AppData\Local\Temp\jbitrt.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 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 |
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\jbitrt.exe
"C:\Users\Admin\AppData\Local\Temp\jbitrt.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\Local\Temp\kbitt"
C:\Windows\SysWOW64\cmd.exe
"cmd" /c copy "C:\Users\Admin\AppData\Local\Temp\jbitrt.exe" "C:\Users\Admin\AppData\Local\Temp\kbitt\kbitt.exe"
C:\Windows\SysWOW64\cmd.exe
"cmd" /c schtasks /create /sc minute /mo 10 /tn "Nano" /tr "'C:\Users\Admin\AppData\Local\Temp\kbitt\kbitt.exe'" /f
C:\Windows\SysWOW64\schtasks.exe
schtasks /create /sc minute /mo 10 /tn "Nano" /tr "'C:\Users\Admin\AppData\Local\Temp\kbitt\kbitt.exe'" /f
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | backu4734.duckdns.org | udp |
| US | 8.8.8.8:53 | backu4734.duckdns.org | udp |
| DE | 167.235.75.225:7904 | backu4734.duckdns.org | tcp |
| DE | 167.235.75.225:7904 | backu4734.duckdns.org | tcp |
| DE | 167.235.75.225:7904 | backu4734.duckdns.org | tcp |
| DE | 167.235.75.225:7904 | backu4734.duckdns.org | tcp |
| DE | 167.235.75.225:7904 | backu4734.duckdns.org | tcp |
| US | 8.8.8.8:53 | backu4734.duckdns.org | udp |
| DE | 167.235.75.225:7904 | backu4734.duckdns.org | tcp |
| DE | 167.235.75.225:7904 | backu4734.duckdns.org | tcp |
Files
memory/2196-54-0x0000000001300000-0x00000000014AC000-memory.dmp
memory/2196-55-0x0000000073E60000-0x000000007454E000-memory.dmp
memory/2196-56-0x0000000004C20000-0x0000000004C60000-memory.dmp
memory/2196-57-0x0000000073E60000-0x000000007454E000-memory.dmp
memory/2196-58-0x0000000004C20000-0x0000000004C60000-memory.dmp
memory/2916-59-0x0000000000410000-0x00000000007F4000-memory.dmp
memory/2916-60-0x0000000000410000-0x00000000007F4000-memory.dmp
memory/2916-62-0x0000000000410000-0x00000000007F4000-memory.dmp
memory/2916-63-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/2916-65-0x0000000000410000-0x00000000007F4000-memory.dmp
memory/2916-67-0x0000000000410000-0x00000000007F4000-memory.dmp
memory/2916-66-0x0000000000410000-0x00000000007F4000-memory.dmp
memory/2196-68-0x0000000073E60000-0x000000007454E000-memory.dmp
memory/2916-70-0x0000000000410000-0x00000000007F4000-memory.dmp
memory/2916-71-0x0000000000410000-0x00000000007F4000-memory.dmp
memory/2916-74-0x0000000000410000-0x00000000007F4000-memory.dmp
memory/2916-75-0x0000000000410000-0x00000000007F4000-memory.dmp
memory/2916-76-0x0000000000410000-0x00000000007F4000-memory.dmp
memory/2916-77-0x0000000000410000-0x00000000007F4000-memory.dmp
memory/2916-78-0x0000000000410000-0x00000000007F4000-memory.dmp
memory/2916-79-0x0000000000410000-0x00000000007F4000-memory.dmp
memory/2916-81-0x0000000000410000-0x00000000007F4000-memory.dmp
memory/2916-82-0x0000000000410000-0x00000000007F4000-memory.dmp
memory/2916-84-0x0000000000410000-0x00000000007F4000-memory.dmp
memory/2916-83-0x0000000000410000-0x00000000007F4000-memory.dmp
memory/2916-86-0x0000000000410000-0x00000000007F4000-memory.dmp
memory/2916-85-0x0000000000410000-0x00000000007F4000-memory.dmp
memory/2916-87-0x0000000000410000-0x00000000007F4000-memory.dmp
memory/2916-88-0x0000000000410000-0x00000000007F4000-memory.dmp
memory/2916-89-0x0000000000410000-0x00000000007F4000-memory.dmp
memory/2916-90-0x0000000000410000-0x00000000007F4000-memory.dmp
memory/2916-91-0x0000000000410000-0x00000000007F4000-memory.dmp
memory/2916-92-0x0000000000410000-0x00000000007F4000-memory.dmp
memory/2916-94-0x0000000000410000-0x00000000007F4000-memory.dmp
memory/2916-93-0x0000000000410000-0x00000000007F4000-memory.dmp