Analysis Overview
SHA256
c05d634d51542921796702112f1b7c8aabbaa9845eb4f26d3dffcb3bb2dfb160
Threat Level: Known bad
The file MalwareBazaar.0 was found to be: Known bad.
Malicious Activity Summary
Remcos
Suspicious use of SetThreadContext
Unsigned PE
Program crash
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Analysis: static1
Detonation Overview
Reported
2024-07-19 03:00
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-07-19 03:00
Reported
2024-07-19 03:03
Platform
win7-20240708-en
Max time kernel
122s
Max time network
124s
Command Line
Signatures
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2664 wrote to memory of 2652 | N/A | C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe | C:\Windows\SysWOW64\WerFault.exe |
| PID 2664 wrote to memory of 2652 | N/A | C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe | C:\Windows\SysWOW64\WerFault.exe |
| PID 2664 wrote to memory of 2652 | N/A | C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe | C:\Windows\SysWOW64\WerFault.exe |
| PID 2664 wrote to memory of 2652 | N/A | C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe | C:\Windows\SysWOW64\WerFault.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe
"C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2664 -s 844
Network
Files
memory/2664-0-0x00000000745CE000-0x00000000745CF000-memory.dmp
memory/2664-1-0x0000000000890000-0x000000000099A000-memory.dmp
memory/2664-2-0x00000000745C0000-0x0000000074CAE000-memory.dmp
memory/2664-3-0x0000000000760000-0x000000000077A000-memory.dmp
memory/2664-4-0x00000000007E0000-0x00000000007EE000-memory.dmp
memory/2664-5-0x00000000745CE000-0x00000000745CF000-memory.dmp
memory/2664-6-0x00000000745C0000-0x0000000074CAE000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-07-19 03:00
Reported
2024-07-19 03:03
Platform
win10v2004-20240709-en
Max time kernel
148s
Max time network
150s
Command Line
Signatures
Remcos
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 1896 set thread context of 1768 | N/A | C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe | C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe
"C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe"
C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe
"C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 74.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 97.17.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 55.36.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 73.144.22.2.in-addr.arpa | udp |
| PL | 91.223.3.151:4508 | tcp | |
| US | 8.8.8.8:53 | 133.211.185.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 50.23.12.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.31.95.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 147.142.123.92.in-addr.arpa | udp |
| PL | 91.223.3.151:4508 | tcp | |
| PL | 91.223.3.151:4508 | tcp | |
| US | 8.8.8.8:53 | 57.169.31.20.in-addr.arpa | udp |
| PL | 91.223.3.151:4508 | tcp | |
| US | 8.8.8.8:53 | 23.236.111.52.in-addr.arpa | udp |
| PL | 91.223.3.151:4508 | tcp | |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 8.8.8.8:53 | 43.58.199.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 10.28.171.150.in-addr.arpa | udp |
| PL | 91.223.3.151:4508 | tcp | |
| PL | 91.223.3.151:4508 | tcp |
Files
memory/1896-0-0x0000000074C8E000-0x0000000074C8F000-memory.dmp
memory/1896-1-0x0000000000260000-0x000000000036A000-memory.dmp
memory/1896-2-0x0000000005390000-0x0000000005934000-memory.dmp
memory/1896-3-0x0000000004DE0000-0x0000000004E72000-memory.dmp
memory/1896-4-0x0000000005010000-0x0000000005364000-memory.dmp
memory/1896-5-0x0000000074C80000-0x0000000075430000-memory.dmp
memory/1896-6-0x0000000004F00000-0x0000000004F0A000-memory.dmp
memory/1896-7-0x0000000005BE0000-0x0000000005BFA000-memory.dmp
memory/1896-8-0x0000000006410000-0x000000000641E000-memory.dmp
memory/1896-9-0x00000000065C0000-0x0000000006680000-memory.dmp
memory/1768-17-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1896-18-0x0000000074C80000-0x0000000075430000-memory.dmp
memory/1768-16-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1768-15-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1768-14-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1768-12-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1768-11-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1896-10-0x000000000A580000-0x000000000A61C000-memory.dmp
memory/1768-19-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1768-20-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1768-21-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1768-22-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1768-23-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1768-24-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1768-25-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1768-26-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1768-27-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1768-28-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1768-29-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1768-30-0x0000000000400000-0x0000000000482000-memory.dmp