Analysis Overview
SHA256
d07cfaeced4e8bba1c9fdc8006dc80105cf654759c4d74d4d2d2964a0f6e9230
Threat Level: Known bad
The file MalwareBazaar.0 was found to be: Known bad.
Malicious Activity Summary
Remcos
Detected Nirsoft tools
NirSoft WebBrowserPassView
NirSoft MailPassView
Accesses Microsoft Outlook accounts
Suspicious use of SetThreadContext
Unsigned PE
Suspicious behavior: MapViewOfSection
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-07-22 14:00
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-07-22 14:00
Reported
2024-07-22 14:03
Platform
win7-20240708-en
Max time kernel
147s
Max time network
127s
Command Line
Signatures
Remcos
Detected Nirsoft tools
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
NirSoft MailPassView
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
NirSoft WebBrowserPassView
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Accesses Microsoft Outlook accounts
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts | C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2052 set thread context of 804 | N/A | C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe |
| PID 804 set thread context of 2680 | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe |
| PID 804 set thread context of 2900 | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe |
| PID 804 set thread context of 2896 | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe | N/A |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe | N/A |
Suspicious behavior: MapViewOfSection
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe | N/A |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe | N/A |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe
"C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe"
C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe"
C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe
C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe /stext "C:\Users\Admin\AppData\Local\Temp\zxpprbrdrxtsbjmfsmclstouva"
C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe
C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe /stext "C:\Users\Admin\AppData\Local\Temp\jrvastcefflflxarjxondgideotxy"
C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe
C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe /stext "C:\Users\Admin\AppData\Local\Temp\utissmnytndkndwvsabgglvunvcyromn"
Network
| Country | Destination | Domain | Proto |
| NL | 178.23.190.118:52499 | tcp | |
| NL | 178.23.190.118:52499 | tcp | |
| US | 8.8.8.8:53 | geoplugin.net | udp |
| NL | 178.237.33.50:80 | geoplugin.net | tcp |
Files
memory/804-0-0x0000000000400000-0x0000000000482000-memory.dmp
memory/804-2-0x0000000000400000-0x0000000000482000-memory.dmp
memory/804-3-0x0000000000400000-0x0000000000482000-memory.dmp
memory/804-4-0x0000000000400000-0x0000000000482000-memory.dmp
memory/804-6-0x0000000000400000-0x0000000000482000-memory.dmp
memory/804-7-0x0000000000400000-0x0000000000482000-memory.dmp
memory/804-8-0x0000000000400000-0x0000000000482000-memory.dmp
memory/804-10-0x0000000000400000-0x0000000000482000-memory.dmp
memory/804-11-0x0000000000400000-0x0000000000482000-memory.dmp
memory/804-12-0x0000000000400000-0x0000000000482000-memory.dmp
memory/804-13-0x0000000000400000-0x0000000000482000-memory.dmp
memory/804-15-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2680-16-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/2900-22-0x0000000000400000-0x0000000000462000-memory.dmp
memory/2680-23-0x0000000000400000-0x0000000000478000-memory.dmp
memory/2680-19-0x0000000000400000-0x0000000000478000-memory.dmp
memory/2900-27-0x0000000000400000-0x0000000000462000-memory.dmp
memory/2900-32-0x0000000000400000-0x0000000000462000-memory.dmp
memory/2680-31-0x0000000000400000-0x0000000000478000-memory.dmp
memory/2896-30-0x0000000000400000-0x0000000000424000-memory.dmp
memory/2680-26-0x0000000000400000-0x0000000000478000-memory.dmp
memory/2900-25-0x0000000000400000-0x0000000000462000-memory.dmp
memory/2896-34-0x0000000000400000-0x0000000000424000-memory.dmp
memory/2896-35-0x0000000000400000-0x0000000000424000-memory.dmp
memory/2896-36-0x0000000000400000-0x0000000000424000-memory.dmp
memory/2896-37-0x0000000000400000-0x0000000000424000-memory.dmp
memory/2680-42-0x0000000000400000-0x0000000000478000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\zxpprbrdrxtsbjmfsmclstouva
| MD5 | f3b25701fe362ec84616a93a45ce9998 |
| SHA1 | d62636d8caec13f04e28442a0a6fa1afeb024bbb |
| SHA256 | b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209 |
| SHA512 | 98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84 |
memory/2900-45-0x0000000000400000-0x0000000000462000-memory.dmp
memory/804-46-0x0000000010000000-0x0000000010019000-memory.dmp
memory/804-49-0x0000000010000000-0x0000000010019000-memory.dmp
memory/804-50-0x0000000010000000-0x0000000010019000-memory.dmp
memory/804-51-0x0000000000400000-0x0000000000482000-memory.dmp
memory/804-53-0x0000000000400000-0x0000000000482000-memory.dmp
C:\ProgramData\remcos\logs.dat
| MD5 | b36244bdca11616af576f604e00e4750 |
| SHA1 | 19d0d6e8f1b1b158bb493933955838fcfd2640ec |
| SHA256 | 807d9672632f96a5ba6d1c2f1f9d1922fb406a8918e1d868d38ae055a88d8949 |
| SHA512 | e529fdc8ee6aa19bb20caa6d143aad03e64e8758579e7b54d0e0f9f43ed652334a599bf1123057dbdaf6e6abd9884f2f181a1678baf80148c5b74e4837972e8f |
memory/804-57-0x0000000000400000-0x0000000000482000-memory.dmp
memory/804-58-0x0000000000400000-0x0000000000482000-memory.dmp
memory/804-65-0x0000000000400000-0x0000000000482000-memory.dmp
memory/804-66-0x0000000000400000-0x0000000000482000-memory.dmp
memory/804-74-0x0000000000400000-0x0000000000482000-memory.dmp
memory/804-75-0x0000000000400000-0x0000000000482000-memory.dmp
memory/804-81-0x0000000000400000-0x0000000000482000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-07-22 14:00
Reported
2024-07-22 14:03
Platform
win10v2004-20240709-en
Max time kernel
148s
Max time network
134s
Command Line
Signatures
Remcos
Detected Nirsoft tools
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
NirSoft MailPassView
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
NirSoft WebBrowserPassView
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Accesses Microsoft Outlook accounts
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-701583114-2636601053-947405450-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts | C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 4464 set thread context of 3116 | N/A | C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe |
| PID 3116 set thread context of 4124 | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe |
| PID 3116 set thread context of 4512 | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe |
| PID 3116 set thread context of 4424 | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe | N/A |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe | N/A |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe | N/A |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe | N/A |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe | N/A |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe | N/A |
Suspicious behavior: MapViewOfSection
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe | N/A |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe | N/A |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe | N/A |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe | N/A |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe | N/A |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe | N/A |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe
"C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe"
C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe"
C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe
C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe /stext "C:\Users\Admin\AppData\Local\Temp\pdqwp"
C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe
C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe /stext "C:\Users\Admin\AppData\Local\Temp\pdqwp"
C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe
C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe /stext "C:\Users\Admin\AppData\Local\Temp\sfvoijji"
C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe
C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe /stext "C:\Users\Admin\AppData\Local\Temp\sfvoijji"
C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe
C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe /stext "C:\Users\Admin\AppData\Local\Temp\czbhibubvapb"
C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe
C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe /stext "C:\Users\Admin\AppData\Local\Temp\czbhibubvapb"
C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe
C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe /stext "C:\Users\Admin\AppData\Local\Temp\czbhibubvapb"
Network
| Country | Destination | Domain | Proto |
| NL | 178.23.190.118:52499 | tcp | |
| NL | 178.23.190.118:52499 | tcp | |
| US | 8.8.8.8:53 | 133.211.185.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 118.190.23.178.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 73.144.22.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 8.8.8.8:53 | geoplugin.net | udp |
| US | 204.79.197.237:443 | g.bing.com | tcp |
| US | 8.8.8.8:53 | 73.159.190.20.in-addr.arpa | udp |
| NL | 178.237.33.50:80 | geoplugin.net | tcp |
| US | 8.8.8.8:53 | 237.197.79.204.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.35.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 50.33.237.178.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 196.249.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 157.123.68.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 15.164.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 55.36.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 30.243.111.52.in-addr.arpa | udp |
| 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 | 10.27.171.150.in-addr.arpa | udp |
Files
memory/3116-0-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3116-1-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3116-2-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3116-4-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3116-3-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3116-7-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3116-8-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3116-10-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3116-9-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3116-11-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3116-12-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3116-14-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3116-16-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3116-17-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4124-18-0x0000000000400000-0x0000000000478000-memory.dmp
memory/4124-22-0x0000000000400000-0x0000000000478000-memory.dmp
memory/4424-24-0x0000000000400000-0x0000000000424000-memory.dmp
memory/4512-23-0x0000000000400000-0x0000000000462000-memory.dmp
memory/4424-27-0x0000000000400000-0x0000000000424000-memory.dmp
memory/4424-32-0x0000000000400000-0x0000000000424000-memory.dmp
memory/4124-31-0x0000000000400000-0x0000000000478000-memory.dmp
memory/4424-33-0x0000000000400000-0x0000000000424000-memory.dmp
memory/4512-30-0x0000000000400000-0x0000000000462000-memory.dmp
memory/4124-29-0x0000000000400000-0x0000000000478000-memory.dmp
memory/4424-28-0x0000000000400000-0x0000000000424000-memory.dmp
memory/4512-26-0x0000000000400000-0x0000000000462000-memory.dmp
memory/4512-20-0x0000000000400000-0x0000000000462000-memory.dmp
memory/4124-38-0x0000000000400000-0x0000000000478000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\pdqwp
| MD5 | 71e3611290752b1a114e303d84e3987f |
| SHA1 | 210794023f369235615743c802fce5055961ee6e |
| SHA256 | 5163d0e849d5d39f1e8beb9d13beea8240d532dff6f28433522148628007af06 |
| SHA512 | d0235dd58f9038009e44c4847535f2bb652f093418fdfd890c01b4b9d8981df3a31e4a89f9099c226becbfe8541015d60f6b852165241d08cb8795d93dd2eb09 |
memory/3116-40-0x0000000010000000-0x0000000010019000-memory.dmp
memory/3116-44-0x0000000010000000-0x0000000010019000-memory.dmp
memory/3116-43-0x0000000010000000-0x0000000010019000-memory.dmp
memory/3116-45-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3116-49-0x0000000000400000-0x0000000000482000-memory.dmp
C:\ProgramData\remcos\logs.dat
| MD5 | 16ef359bccd3fa0e3163c5075e1394cf |
| SHA1 | aef3f4948446712ea1c157b5273aa5643a7e2810 |
| SHA256 | e83dd25175762f338a235a50bc155895597b4d1741fb0f275f2b60759918e645 |
| SHA512 | e6ef5d41b5e9e1855176c0ac34032376e78858d720635a6b4f15535cc5a79be4c1fe83519a58cac93cb4e407bdc8ef2bfde4dbb0ec16bb1497f9b4195f2e5bc4 |
memory/3116-54-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3116-53-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3116-61-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3116-62-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3116-69-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3116-70-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3116-78-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3116-77-0x0000000000400000-0x0000000000482000-memory.dmp