Analysis Overview
SHA256
18f679a41695816dc45091ee43ebb682ffc901a09211548cada55ea87f79bc84
Threat Level: Known bad
The file MalwareBazaar.6 was found to be: Known bad.
Malicious Activity Summary
Remcos
Suspicious use of SetThreadContext
Program crash
Unsigned PE
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Analysis: static1
Detonation Overview
Reported
2024-07-18 14:07
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral2
Detonation Overview
Submitted
2024-07-18 14:07
Reported
2024-07-18 14:09
Platform
win10v2004-20240709-en
Max time kernel
148s
Max time network
151s
Command Line
Signatures
Remcos
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2200 set thread context of 1404 | 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 | 232.168.11.51.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.221.184.93.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 83.177.190.20.in-addr.arpa | udp |
| 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 | 26.165.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 171.39.242.20.in-addr.arpa | udp |
| PL | 91.223.3.151:4508 | tcp | |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 8.8.8.8:53 | 172.214.232.199.in-addr.arpa | udp |
| PL | 91.223.3.151:4508 | tcp | |
| PL | 91.223.3.151:4508 | tcp | |
| US | 8.8.8.8:53 | 21.236.111.52.in-addr.arpa | udp |
| PL | 91.223.3.151:4508 | tcp | |
| PL | 91.223.3.151:4508 | tcp | |
| PL | 91.223.3.151:4508 | tcp |
Files
memory/2200-0-0x00000000745EE000-0x00000000745EF000-memory.dmp
memory/2200-1-0x0000000000CC0000-0x0000000000DCA000-memory.dmp
memory/2200-2-0x0000000005C50000-0x00000000061F4000-memory.dmp
memory/2200-3-0x00000000056A0000-0x0000000005732000-memory.dmp
memory/2200-4-0x0000000005740000-0x0000000005A94000-memory.dmp
memory/2200-5-0x00000000745E0000-0x0000000074D90000-memory.dmp
memory/2200-6-0x0000000005B90000-0x0000000005B9A000-memory.dmp
memory/2200-7-0x00000000088E0000-0x00000000088FA000-memory.dmp
memory/2200-8-0x0000000006C30000-0x0000000006C3E000-memory.dmp
memory/2200-9-0x0000000006DE0000-0x0000000006EA0000-memory.dmp
memory/2200-10-0x000000000AE80000-0x000000000AF1C000-memory.dmp
memory/1404-11-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1404-12-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1404-14-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1404-16-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1404-15-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1404-17-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2200-18-0x00000000745E0000-0x0000000074D90000-memory.dmp
memory/1404-19-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1404-20-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1404-21-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1404-22-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1404-23-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1404-24-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1404-25-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1404-26-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1404-27-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1404-28-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1404-29-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1404-30-0x0000000000400000-0x0000000000482000-memory.dmp
Analysis: behavioral1
Detonation Overview
Submitted
2024-07-18 14:07
Reported
2024-07-18 14:09
Platform
win7-20240708-en
Max time kernel
117s
Max time network
119s
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 2072 wrote to memory of 2800 | N/A | C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe | C:\Windows\SysWOW64\WerFault.exe |
| PID 2072 wrote to memory of 2800 | N/A | C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe | C:\Windows\SysWOW64\WerFault.exe |
| PID 2072 wrote to memory of 2800 | N/A | C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe | C:\Windows\SysWOW64\WerFault.exe |
| PID 2072 wrote to memory of 2800 | 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 2072 -s 836
Network
Files
memory/2072-0-0x000000007474E000-0x000000007474F000-memory.dmp
memory/2072-1-0x0000000000C00000-0x0000000000D0A000-memory.dmp
memory/2072-2-0x0000000074740000-0x0000000074E2E000-memory.dmp
memory/2072-3-0x0000000000740000-0x000000000075A000-memory.dmp
memory/2072-4-0x0000000000950000-0x000000000095E000-memory.dmp
memory/2072-5-0x000000007474E000-0x000000007474F000-memory.dmp
memory/2072-6-0x0000000074740000-0x0000000074E2E000-memory.dmp