Analysis Overview
SHA256
183c9170d34b3c5e322d5a34d26aaab2bd4acd5338230c4454dc45b6a605bfb8
Threat Level: Known bad
The file 183c9170d34b3c5e322d5a34d26aaab2bd4acd5338230c4454dc45b6a605bfb8.exe was found to be: Known bad.
Malicious Activity Summary
Remcos
Remcos family
Detected Nirsoft tools
NirSoft WebBrowserPassView
NirSoft MailPassView
Reads user/profile data of web browsers
Accesses Microsoft Outlook accounts
Suspicious use of SetThreadContext
System Location Discovery: System Language Discovery
Unsigned PE
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetWindowsHookEx
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-10-16 01:17
Signatures
Remcos family
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-10-16 01:17
Reported
2024-10-16 01:20
Platform
win7-20240708-en
Max time kernel
147s
Max time network
141s
Command Line
Signatures
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 |
| 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 |
| N/A | N/A | N/A | N/A |
Reads user/profile data of web browsers
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:\Users\Admin\AppData\Local\Temp\183c9170d34b3c5e322d5a34d26aaab2bd4acd5338230c4454dc45b6a605bfb8.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2032 set thread context of 1964 | N/A | C:\Users\Admin\AppData\Local\Temp\183c9170d34b3c5e322d5a34d26aaab2bd4acd5338230c4454dc45b6a605bfb8.exe | C:\Users\Admin\AppData\Local\Temp\183c9170d34b3c5e322d5a34d26aaab2bd4acd5338230c4454dc45b6a605bfb8.exe |
| PID 2032 set thread context of 2684 | N/A | C:\Users\Admin\AppData\Local\Temp\183c9170d34b3c5e322d5a34d26aaab2bd4acd5338230c4454dc45b6a605bfb8.exe | C:\Users\Admin\AppData\Local\Temp\183c9170d34b3c5e322d5a34d26aaab2bd4acd5338230c4454dc45b6a605bfb8.exe |
| PID 2032 set thread context of 3016 | N/A | C:\Users\Admin\AppData\Local\Temp\183c9170d34b3c5e322d5a34d26aaab2bd4acd5338230c4454dc45b6a605bfb8.exe | C:\Users\Admin\AppData\Local\Temp\183c9170d34b3c5e322d5a34d26aaab2bd4acd5338230c4454dc45b6a605bfb8.exe |
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\183c9170d34b3c5e322d5a34d26aaab2bd4acd5338230c4454dc45b6a605bfb8.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\183c9170d34b3c5e322d5a34d26aaab2bd4acd5338230c4454dc45b6a605bfb8.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\183c9170d34b3c5e322d5a34d26aaab2bd4acd5338230c4454dc45b6a605bfb8.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\183c9170d34b3c5e322d5a34d26aaab2bd4acd5338230c4454dc45b6a605bfb8.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\183c9170d34b3c5e322d5a34d26aaab2bd4acd5338230c4454dc45b6a605bfb8.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\183c9170d34b3c5e322d5a34d26aaab2bd4acd5338230c4454dc45b6a605bfb8.exe | N/A |
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\183c9170d34b3c5e322d5a34d26aaab2bd4acd5338230c4454dc45b6a605bfb8.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\183c9170d34b3c5e322d5a34d26aaab2bd4acd5338230c4454dc45b6a605bfb8.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\183c9170d34b3c5e322d5a34d26aaab2bd4acd5338230c4454dc45b6a605bfb8.exe
"C:\Users\Admin\AppData\Local\Temp\183c9170d34b3c5e322d5a34d26aaab2bd4acd5338230c4454dc45b6a605bfb8.exe"
C:\Users\Admin\AppData\Local\Temp\183c9170d34b3c5e322d5a34d26aaab2bd4acd5338230c4454dc45b6a605bfb8.exe
C:\Users\Admin\AppData\Local\Temp\183c9170d34b3c5e322d5a34d26aaab2bd4acd5338230c4454dc45b6a605bfb8.exe /stext "C:\Users\Admin\AppData\Local\Temp\qdjsjzpdtuzmwiakptkl"
C:\Users\Admin\AppData\Local\Temp\183c9170d34b3c5e322d5a34d26aaab2bd4acd5338230c4454dc45b6a605bfb8.exe
C:\Users\Admin\AppData\Local\Temp\183c9170d34b3c5e322d5a34d26aaab2bd4acd5338230c4454dc45b6a605bfb8.exe /stext "C:\Users\Admin\AppData\Local\Temp\agwkksafpcrzyowoydfnodzb"
C:\Users\Admin\AppData\Local\Temp\183c9170d34b3c5e322d5a34d26aaab2bd4acd5338230c4454dc45b6a605bfb8.exe
C:\Users\Admin\AppData\Local\Temp\183c9170d34b3c5e322d5a34d26aaab2bd4acd5338230c4454dc45b6a605bfb8.exe /stext "C:\Users\Admin\AppData\Local\Temp\dabdkctydkjeicksporoziukqoc"
Network
| Country | Destination | Domain | Proto |
| US | 204.10.160.167:63749 | tcp | |
| US | 204.10.160.167:63749 | tcp | |
| US | 8.8.8.8:53 | geoplugin.net | udp |
| NL | 178.237.33.50:80 | geoplugin.net | tcp |
Files
memory/1964-1-0x0000000000400000-0x0000000000478000-memory.dmp
memory/1964-7-0x0000000000400000-0x0000000000478000-memory.dmp
memory/3016-16-0x0000000000400000-0x0000000000424000-memory.dmp
memory/3016-20-0x0000000000400000-0x0000000000424000-memory.dmp
memory/3016-17-0x0000000000400000-0x0000000000424000-memory.dmp
memory/3016-15-0x0000000000400000-0x0000000000424000-memory.dmp
memory/3016-14-0x0000000000400000-0x0000000000424000-memory.dmp
memory/1964-13-0x0000000000400000-0x0000000000478000-memory.dmp
memory/2684-11-0x0000000000400000-0x0000000000462000-memory.dmp
memory/3016-10-0x0000000000400000-0x0000000000424000-memory.dmp
memory/2684-8-0x0000000000400000-0x0000000000462000-memory.dmp
memory/2684-6-0x0000000000400000-0x0000000000462000-memory.dmp
memory/1964-4-0x0000000000400000-0x0000000000478000-memory.dmp
memory/1964-9-0x0000000000400000-0x0000000000478000-memory.dmp
memory/2684-3-0x0000000000400000-0x0000000000462000-memory.dmp
memory/1964-25-0x0000000000400000-0x0000000000478000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\qdjsjzpdtuzmwiakptkl
| MD5 | f3b25701fe362ec84616a93a45ce9998 |
| SHA1 | d62636d8caec13f04e28442a0a6fa1afeb024bbb |
| SHA256 | b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209 |
| SHA512 | 98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84 |
memory/2684-32-0x0000000000400000-0x0000000000462000-memory.dmp
memory/2032-33-0x0000000010000000-0x0000000010019000-memory.dmp
memory/2032-37-0x0000000010000000-0x0000000010019000-memory.dmp
memory/2032-36-0x0000000010000000-0x0000000010019000-memory.dmp
C:\ProgramData\rcbook\logs.dat
| MD5 | 2af8f9bf12683563c3a662dd6f357860 |
| SHA1 | 5cd883c09c8a43cb5866938bff2164627aeac209 |
| SHA256 | 71b50a31b1635091bef6684c7f3df378022f7ad5045c502f546ea16dec4a3e49 |
| SHA512 | 7d186aecfc73d181ef38c72fd7843f8070fc8ff50e55092eadbf00c44c6e44d2cb604f5c8d6b830eaf4430c93c1d640baf06e5dc5131e174a97ba05c0f4431fc |
Analysis: behavioral2
Detonation Overview
Submitted
2024-10-16 01:17
Reported
2024-10-16 01:20
Platform
win10v2004-20241007-en
Max time kernel
148s
Max time network
137s
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 |
| 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 |
Reads user/profile data of web browsers
Accesses Microsoft Outlook accounts
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts | C:\Users\Admin\AppData\Local\Temp\183c9170d34b3c5e322d5a34d26aaab2bd4acd5338230c4454dc45b6a605bfb8.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 4340 set thread context of 4732 | N/A | C:\Users\Admin\AppData\Local\Temp\183c9170d34b3c5e322d5a34d26aaab2bd4acd5338230c4454dc45b6a605bfb8.exe | C:\Users\Admin\AppData\Local\Temp\183c9170d34b3c5e322d5a34d26aaab2bd4acd5338230c4454dc45b6a605bfb8.exe |
| PID 4340 set thread context of 524 | N/A | C:\Users\Admin\AppData\Local\Temp\183c9170d34b3c5e322d5a34d26aaab2bd4acd5338230c4454dc45b6a605bfb8.exe | C:\Users\Admin\AppData\Local\Temp\183c9170d34b3c5e322d5a34d26aaab2bd4acd5338230c4454dc45b6a605bfb8.exe |
| PID 4340 set thread context of 812 | N/A | C:\Users\Admin\AppData\Local\Temp\183c9170d34b3c5e322d5a34d26aaab2bd4acd5338230c4454dc45b6a605bfb8.exe | C:\Users\Admin\AppData\Local\Temp\183c9170d34b3c5e322d5a34d26aaab2bd4acd5338230c4454dc45b6a605bfb8.exe |
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\183c9170d34b3c5e322d5a34d26aaab2bd4acd5338230c4454dc45b6a605bfb8.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\183c9170d34b3c5e322d5a34d26aaab2bd4acd5338230c4454dc45b6a605bfb8.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\183c9170d34b3c5e322d5a34d26aaab2bd4acd5338230c4454dc45b6a605bfb8.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\183c9170d34b3c5e322d5a34d26aaab2bd4acd5338230c4454dc45b6a605bfb8.exe | N/A |
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\183c9170d34b3c5e322d5a34d26aaab2bd4acd5338230c4454dc45b6a605bfb8.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\183c9170d34b3c5e322d5a34d26aaab2bd4acd5338230c4454dc45b6a605bfb8.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\183c9170d34b3c5e322d5a34d26aaab2bd4acd5338230c4454dc45b6a605bfb8.exe
"C:\Users\Admin\AppData\Local\Temp\183c9170d34b3c5e322d5a34d26aaab2bd4acd5338230c4454dc45b6a605bfb8.exe"
C:\Users\Admin\AppData\Local\Temp\183c9170d34b3c5e322d5a34d26aaab2bd4acd5338230c4454dc45b6a605bfb8.exe
C:\Users\Admin\AppData\Local\Temp\183c9170d34b3c5e322d5a34d26aaab2bd4acd5338230c4454dc45b6a605bfb8.exe /stext "C:\Users\Admin\AppData\Local\Temp\uockaa"
C:\Users\Admin\AppData\Local\Temp\183c9170d34b3c5e322d5a34d26aaab2bd4acd5338230c4454dc45b6a605bfb8.exe
C:\Users\Admin\AppData\Local\Temp\183c9170d34b3c5e322d5a34d26aaab2bd4acd5338230c4454dc45b6a605bfb8.exe /stext "C:\Users\Admin\AppData\Local\Temp\wihcbskdtx"
C:\Users\Admin\AppData\Local\Temp\183c9170d34b3c5e322d5a34d26aaab2bd4acd5338230c4454dc45b6a605bfb8.exe
C:\Users\Admin\AppData\Local\Temp\183c9170d34b3c5e322d5a34d26aaab2bd4acd5338230c4454dc45b6a605bfb8.exe /stext "C:\Users\Admin\AppData\Local\Temp\gknvclvxpffne"
Network
| Country | Destination | Domain | Proto |
| US | 204.10.160.167:63749 | tcp | |
| US | 8.8.8.8:53 | 8.8.8.8.in-addr.arpa | udp |
| US | 204.10.160.167:63749 | tcp | |
| US | 8.8.8.8:53 | geoplugin.net | udp |
| NL | 178.237.33.50:80 | geoplugin.net | tcp |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 150.171.28.10:443 | g.bing.com | tcp |
| US | 8.8.8.8:53 | 167.160.10.204.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 50.33.237.178.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 58.55.71.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 83.210.23.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 10.28.171.150.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 14.160.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 149.220.183.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 28.118.140.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 197.87.175.4.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.214.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.31.95.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 48.229.111.52.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 |
Files
memory/4732-1-0x0000000000400000-0x0000000000478000-memory.dmp
memory/524-3-0x0000000000400000-0x0000000000462000-memory.dmp
memory/812-11-0x0000000000400000-0x0000000000424000-memory.dmp
memory/812-16-0x0000000000430000-0x00000000004F9000-memory.dmp
memory/524-25-0x0000000000400000-0x0000000000462000-memory.dmp
memory/524-24-0x0000000000400000-0x0000000000462000-memory.dmp
memory/812-21-0x0000000000400000-0x0000000000424000-memory.dmp
memory/524-15-0x0000000000400000-0x0000000000462000-memory.dmp
memory/524-14-0x0000000000400000-0x0000000000462000-memory.dmp
memory/4732-12-0x0000000000400000-0x0000000000478000-memory.dmp
memory/812-10-0x0000000000400000-0x0000000000424000-memory.dmp
memory/812-8-0x0000000000400000-0x0000000000424000-memory.dmp
memory/812-7-0x0000000000400000-0x0000000000424000-memory.dmp
memory/4732-9-0x0000000000400000-0x0000000000478000-memory.dmp
memory/812-5-0x0000000000400000-0x0000000000424000-memory.dmp
memory/4732-4-0x0000000000400000-0x0000000000478000-memory.dmp
memory/4732-27-0x0000000000400000-0x0000000000478000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\uockaa
| MD5 | f1d2c01ce674ad7d5bad04197c371fbc |
| SHA1 | 4bf0ed04d156a3dc6c8d27e134ecbda76d3585aa |
| SHA256 | 25b006032deccd628940ef728fffe83b325a85de453a34691f55f570e4460094 |
| SHA512 | 81cb982cc33dcc27600a8a681c3ec3cc5b9221b95baa45e1ab24479745a9638b9f31d7beeeb1128b3294ff69b44e958c75e25d565f66790c364665caff96ee77 |
memory/4340-34-0x0000000010000000-0x0000000010019000-memory.dmp
memory/4340-33-0x0000000010000000-0x0000000010019000-memory.dmp
memory/4340-30-0x0000000010000000-0x0000000010019000-memory.dmp
memory/4340-35-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4340-39-0x0000000000400000-0x0000000000482000-memory.dmp
C:\ProgramData\rcbook\logs.dat
| MD5 | 375b800f6b7595af26dca002d6ded899 |
| SHA1 | 613f26632aa846177bfc78a10020875af3baafea |
| SHA256 | 68a24cdbcd035d9e16fb5e1fc2be8ba980017b2b3bc054f41fcc3437f7c70110 |
| SHA512 | 3d04e48db3af231e88ab1679abf1c3132068299ca11d8e68aac2134e9db340b6ffc22cfacea6720788958189f7273643377bdd3d19595f12e205ae7ca28915d4 |