Analysis Overview
SHA256
589b172cac7eb931e013d04820f31d1e7f6b7d710d1155dbb64ebb6c2fa2826a
Threat Level: Known bad
The file MalwareBazaar.21 was found to be: Known bad.
Malicious Activity Summary
Remcos
Detected Nirsoft tools
NirSoft MailPassView
NirSoft WebBrowserPassView
Accesses Microsoft Outlook accounts
Suspicious use of SetThreadContext
Unsigned PE
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
Suspicious use of SetWindowsHookEx
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-07-23 08:29
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-07-23 08:29
Reported
2024-07-23 08:32
Platform
win7-20240708-en
Max time kernel
149s
Max time network
148s
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 |
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 |
Accesses Microsoft Outlook accounts
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-2958949473-3205530200-1453100116-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts | C:\Program Files (x86)\Windows Mail\wab.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2308 set thread context of 2168 | N/A | C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe | C:\Program Files (x86)\Windows Mail\wab.exe |
| PID 2168 set thread context of 2648 | N/A | C:\Program Files (x86)\Windows Mail\wab.exe | C:\Program Files (x86)\Windows Mail\wab.exe |
| PID 2168 set thread context of 2656 | N/A | C:\Program Files (x86)\Windows Mail\wab.exe | C:\Program Files (x86)\Windows Mail\wab.exe |
| PID 2168 set thread context of 2616 | N/A | C:\Program Files (x86)\Windows Mail\wab.exe | C:\Program Files (x86)\Windows Mail\wab.exe |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Program Files (x86)\Windows Mail\wab.exe | N/A |
| N/A | N/A | C:\Program Files (x86)\Windows Mail\wab.exe | N/A |
Suspicious behavior: MapViewOfSection
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Program Files (x86)\Windows Mail\wab.exe | N/A |
| N/A | N/A | C:\Program Files (x86)\Windows Mail\wab.exe | N/A |
| N/A | N/A | C:\Program Files (x86)\Windows Mail\wab.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Program Files (x86)\Windows Mail\wab.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Program Files (x86)\Windows Mail\wab.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\System32\cmd.exe
"C:\Windows\System32\cmd.exe"
C:\Program Files (x86)\Windows Mail\wab.exe
"C:\Program Files (x86)\Windows Mail\wab.exe"
C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -u -p 2308 -s 664
C:\Program Files (x86)\Windows Mail\wab.exe
"C:\Program Files (x86)\Windows Mail\wab.exe" /stext "C:\Users\Admin\AppData\Local\Temp\oolsehziznctopbodd"
C:\Program Files (x86)\Windows Mail\wab.exe
"C:\Program Files (x86)\Windows Mail\wab.exe" /stext "C:\Users\Admin\AppData\Local\Temp\yiycfzkknvuyzvxavntdj"
C:\Program Files (x86)\Windows Mail\wab.exe
"C:\Program Files (x86)\Windows Mail\wab.exe" /stext "C:\Users\Admin\AppData\Local\Temp\icdvgsvdbdmlbbleeygxudxv"
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/2308-0-0x000007FEF5833000-0x000007FEF5834000-memory.dmp
memory/2308-1-0x0000000000BF0000-0x0000000000C18000-memory.dmp
memory/2308-2-0x000007FEF5830000-0x000007FEF621C000-memory.dmp
memory/2308-3-0x000000001B030000-0x000000001B102000-memory.dmp
memory/2948-4-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2948-11-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2948-6-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2948-8-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2948-13-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2948-17-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2948-15-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2948-9-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2168-34-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/2168-38-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2168-42-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2168-39-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2168-43-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2168-37-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2168-35-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2168-45-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2168-44-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2168-46-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2168-47-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2648-51-0x0000000000400000-0x0000000000478000-memory.dmp
memory/2648-48-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/2616-63-0x0000000000400000-0x0000000000424000-memory.dmp
memory/2616-65-0x0000000000400000-0x0000000000424000-memory.dmp
memory/2616-64-0x0000000000400000-0x0000000000424000-memory.dmp
memory/2648-61-0x0000000000400000-0x0000000000478000-memory.dmp
memory/2648-60-0x0000000000400000-0x0000000000478000-memory.dmp
memory/2656-59-0x0000000000400000-0x0000000000462000-memory.dmp
memory/2656-58-0x0000000000400000-0x0000000000462000-memory.dmp
memory/2656-56-0x0000000000400000-0x0000000000462000-memory.dmp
memory/2656-55-0x0000000000400000-0x0000000000462000-memory.dmp
memory/2648-57-0x0000000000400000-0x0000000000478000-memory.dmp
memory/2168-67-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2656-52-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/2648-72-0x0000000000400000-0x0000000000478000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\oolsehziznctopbodd
| MD5 | f3b25701fe362ec84616a93a45ce9998 |
| SHA1 | d62636d8caec13f04e28442a0a6fa1afeb024bbb |
| SHA256 | b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209 |
| SHA512 | 98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84 |
memory/2168-75-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2168-74-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2656-77-0x0000000000400000-0x0000000000462000-memory.dmp
memory/2168-78-0x0000000010000000-0x0000000010019000-memory.dmp
memory/2308-86-0x000007FEF5833000-0x000007FEF5834000-memory.dmp
memory/2308-87-0x000007FEF5830000-0x000007FEF621C000-memory.dmp
memory/2168-89-0x0000000000400000-0x0000000000482000-memory.dmp
C:\ProgramData\remcos\logs.dat
| MD5 | ad620fa93fb07c3777c933eac4eb2394 |
| SHA1 | f1076b7f2c4a55fe72a1017219ad477f8ad07696 |
| SHA256 | c6773c2b2fffc8462439054710e6b927c87cc06c6ad45e663a9feae0e9141b3f |
| SHA512 | a997273f9f34ce88ca7848e4ddbdfc36fba15a22eb1173deed72323118b857c97a012ede598482e66c5acaca9626152d7309342cf494c083ed6c76959523e375 |
Analysis: behavioral2
Detonation Overview
Submitted
2024-07-23 08:29
Reported
2024-07-23 08:32
Platform
win10v2004-20240709-en
Max time kernel
149s
Max time network
140s
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 |
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\csc.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 4560 set thread context of 800 | N/A | C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe |
| PID 800 set thread context of 2308 | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe |
| PID 800 set thread context of 3184 | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe |
| PID 800 set thread context of 768 | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe | N/A |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe | N/A |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe | N/A |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe | N/A |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe | N/A |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe | N/A |
Suspicious behavior: MapViewOfSection
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe | N/A |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe | N/A |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe | N/A |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe | N/A |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.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\csc.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe"
C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe
C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe /stext "C:\Users\Admin\AppData\Local\Temp\rrtpmbad"
C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe
C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe /stext "C:\Users\Admin\AppData\Local\Temp\ttyantkxhmm"
C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe
C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe /stext "C:\Users\Admin\AppData\Local\Temp\ttyantkxhmm"
C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe
C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe /stext "C:\Users\Admin\AppData\Local\Temp\enesgmdzvueqwi"
C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe
C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe /stext "C:\Users\Admin\AppData\Local\Temp\enesgmdzvueqwi"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 97.17.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 73.144.22.2.in-addr.arpa | udp |
| NL | 178.23.190.118:52499 | tcp | |
| NL | 178.23.190.118:52499 | tcp | |
| US | 8.8.8.8:53 | 118.190.23.178.in-addr.arpa | udp |
| US | 8.8.8.8:53 | geoplugin.net | udp |
| NL | 178.237.33.50:80 | geoplugin.net | tcp |
| US | 8.8.8.8:53 | 72.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 50.33.237.178.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.35.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 183.59.114.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.31.95.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 81.144.22.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 57.169.31.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 48.229.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 205.47.74.20.in-addr.arpa | udp |
| 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 | 10.28.171.150.in-addr.arpa | udp |
Files
memory/4560-0-0x00007FF9F9DD3000-0x00007FF9F9DD5000-memory.dmp
memory/4560-1-0x00000231293E0000-0x0000023129408000-memory.dmp
memory/4560-2-0x00000231439D0000-0x0000023143AA2000-memory.dmp
memory/4560-3-0x00007FF9F9DD0000-0x00007FF9FA891000-memory.dmp
memory/800-4-0x0000000000400000-0x0000000000482000-memory.dmp
memory/800-5-0x0000000000400000-0x0000000000482000-memory.dmp
memory/800-6-0x0000000000400000-0x0000000000482000-memory.dmp
memory/800-10-0x0000000000400000-0x0000000000482000-memory.dmp
memory/800-12-0x0000000000400000-0x0000000000482000-memory.dmp
memory/800-11-0x0000000000400000-0x0000000000482000-memory.dmp
memory/800-13-0x0000000000400000-0x0000000000482000-memory.dmp
memory/800-14-0x0000000000400000-0x0000000000482000-memory.dmp
memory/800-15-0x0000000000400000-0x0000000000482000-memory.dmp
memory/800-16-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4560-17-0x00007FF9F9DD0000-0x00007FF9FA891000-memory.dmp
memory/2308-18-0x0000000000400000-0x0000000000478000-memory.dmp
memory/3184-19-0x0000000000400000-0x0000000000462000-memory.dmp
memory/2308-22-0x0000000000400000-0x0000000000478000-memory.dmp
memory/2308-27-0x0000000000400000-0x0000000000478000-memory.dmp
memory/3184-29-0x0000000000400000-0x0000000000462000-memory.dmp
memory/3184-33-0x0000000000400000-0x0000000000462000-memory.dmp
memory/3184-34-0x0000000000400000-0x0000000000462000-memory.dmp
memory/768-28-0x0000000000400000-0x0000000000424000-memory.dmp
memory/768-26-0x0000000000400000-0x0000000000424000-memory.dmp
memory/3184-25-0x0000000000400000-0x0000000000462000-memory.dmp
memory/768-24-0x0000000000400000-0x0000000000424000-memory.dmp
memory/2308-21-0x0000000000400000-0x0000000000478000-memory.dmp
memory/2308-36-0x0000000000400000-0x0000000000478000-memory.dmp
memory/800-38-0x0000000000400000-0x0000000000482000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\rrtpmbad
| MD5 | 71e3611290752b1a114e303d84e3987f |
| SHA1 | 210794023f369235615743c802fce5055961ee6e |
| SHA256 | 5163d0e849d5d39f1e8beb9d13beea8240d532dff6f28433522148628007af06 |
| SHA512 | d0235dd58f9038009e44c4847535f2bb652f093418fdfd890c01b4b9d8981df3a31e4a89f9099c226becbfe8541015d60f6b852165241d08cb8795d93dd2eb09 |
memory/800-43-0x0000000010000000-0x0000000010019000-memory.dmp
memory/800-44-0x0000000010000000-0x0000000010019000-memory.dmp
memory/800-40-0x0000000010000000-0x0000000010019000-memory.dmp
memory/800-45-0x0000000000400000-0x0000000000482000-memory.dmp
memory/800-47-0x0000000000400000-0x0000000000482000-memory.dmp
memory/800-48-0x0000000000400000-0x0000000000482000-memory.dmp
memory/800-52-0x0000000000400000-0x0000000000482000-memory.dmp
C:\ProgramData\remcos\logs.dat
| MD5 | 6570ea5ce346a843af18fc0f3a459afa |
| SHA1 | 8cb94e8f0721651c605c8af788f98ef9678df42d |
| SHA256 | 655144913e95500ffbc21b8c6464254fc7e613ba40456e733ee6d9cbd5ca4a53 |
| SHA512 | e29b26c24ad20b893c66bb315ab63939547c65e838924bb860b9aa2d22747a2b8d460f52bc20575edaa794c553621a026e06349b3165190d65aa2a3684d69b29 |
memory/800-57-0x0000000000400000-0x0000000000482000-memory.dmp
memory/800-56-0x0000000000400000-0x0000000000482000-memory.dmp
memory/800-64-0x0000000000400000-0x0000000000482000-memory.dmp
memory/800-65-0x0000000000400000-0x0000000000482000-memory.dmp
memory/800-73-0x0000000000400000-0x0000000000482000-memory.dmp
memory/800-72-0x0000000000400000-0x0000000000482000-memory.dmp
memory/800-80-0x0000000000400000-0x0000000000482000-memory.dmp
memory/800-81-0x0000000000400000-0x0000000000482000-memory.dmp