Analysis Overview
SHA256
183c9170d34b3c5e322d5a34d26aaab2bd4acd5338230c4454dc45b6a605bfb8
Threat Level: Known bad
The file 183c9170d34b3c5e322d5a34d26aaab2bd4acd5338230c4454dc45b6a605bfb8.exe was found to be: Known bad.
Malicious Activity Summary
Remcos family
NirSoft MailPassView
Detected Nirsoft tools
NirSoft WebBrowserPassView
Reads user/profile data of web browsers
Accesses Microsoft Outlook accounts
Suspicious use of SetThreadContext
System Location Discovery: System Language Discovery
Unsigned PE
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-10-16 01:14
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 01:14
Reported
2024-10-16 01:17
Platform
win7-20240903-en
Max time kernel
147s
Max time network
142s
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 |
Reads user/profile data of web browsers
Accesses Microsoft Outlook accounts
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\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 2784 set thread context of 2812 | N/A | C:\Users\Admin\AppData\Local\Temp\183c9170d34b3c5e322d5a34d26aaab2bd4acd5338230c4454dc45b6a605bfb8.exe | C:\Users\Admin\AppData\Local\Temp\183c9170d34b3c5e322d5a34d26aaab2bd4acd5338230c4454dc45b6a605bfb8.exe |
| PID 2784 set thread context of 2948 | N/A | C:\Users\Admin\AppData\Local\Temp\183c9170d34b3c5e322d5a34d26aaab2bd4acd5338230c4454dc45b6a605bfb8.exe | C:\Users\Admin\AppData\Local\Temp\183c9170d34b3c5e322d5a34d26aaab2bd4acd5338230c4454dc45b6a605bfb8.exe |
| PID 2784 set thread context of 1540 | 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\ijobcrwtcggkbiiunsnwdyn"
C:\Users\Admin\AppData\Local\Temp\183c9170d34b3c5e322d5a34d26aaab2bd4acd5338230c4454dc45b6a605bfb8.exe
C:\Users\Admin\AppData\Local\Temp\183c9170d34b3c5e322d5a34d26aaab2bd4acd5338230c4454dc45b6a605bfb8.exe /stext "C:\Users\Admin\AppData\Local\Temp\sduldbgnyoypdofywdzygliaevj"
C:\Users\Admin\AppData\Local\Temp\183c9170d34b3c5e322d5a34d26aaab2bd4acd5338230c4454dc45b6a605bfb8.exe
C:\Users\Admin\AppData\Local\Temp\183c9170d34b3c5e322d5a34d26aaab2bd4acd5338230c4454dc45b6a605bfb8.exe /stext "C:\Users\Admin\AppData\Local\Temp\vfzeeurpmwqunctcfnmzqycrfcblhu"
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/2948-3-0x0000000000400000-0x0000000000462000-memory.dmp
memory/2812-1-0x0000000000400000-0x0000000000478000-memory.dmp
memory/2948-10-0x0000000000400000-0x0000000000462000-memory.dmp
memory/1540-13-0x0000000000400000-0x0000000000424000-memory.dmp
memory/1540-16-0x0000000000400000-0x0000000000424000-memory.dmp
memory/1540-15-0x0000000000400000-0x0000000000424000-memory.dmp
memory/1540-14-0x0000000000400000-0x0000000000424000-memory.dmp
memory/1540-11-0x0000000000400000-0x0000000000424000-memory.dmp
memory/2812-9-0x0000000000400000-0x0000000000478000-memory.dmp
memory/2948-8-0x0000000000400000-0x0000000000462000-memory.dmp
memory/2812-7-0x0000000000400000-0x0000000000478000-memory.dmp
memory/2948-6-0x0000000000400000-0x0000000000462000-memory.dmp
memory/2812-4-0x0000000000400000-0x0000000000478000-memory.dmp
memory/1540-17-0x0000000000400000-0x0000000000424000-memory.dmp
memory/2812-22-0x0000000000400000-0x0000000000478000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\ijobcrwtcggkbiiunsnwdyn
| MD5 | f3b25701fe362ec84616a93a45ce9998 |
| SHA1 | d62636d8caec13f04e28442a0a6fa1afeb024bbb |
| SHA256 | b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209 |
| SHA512 | 98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84 |
memory/2948-27-0x0000000000400000-0x0000000000462000-memory.dmp
memory/2784-29-0x0000000010000000-0x0000000010019000-memory.dmp
memory/2784-33-0x0000000010000000-0x0000000010019000-memory.dmp
memory/2784-32-0x0000000010000000-0x0000000010019000-memory.dmp
C:\ProgramData\rcbook\logs.dat
| MD5 | 8d079871e25d090b49230ee68f817eba |
| SHA1 | ffe67389ce76a2583b38dc8d043238300302a356 |
| SHA256 | e6e32f40af59cf6590b27433c2e1d690372a33bff3ba5a52c3b88ee0e2056a0f |
| SHA512 | 191ad184eb07f093501f56d9cee239feb4df04b46d72e747437ab4fbaa480612d1b4919d049687b50f581be5d4bbc35950b25f79f9d0716fb98d0b2c7dcd3658 |
Analysis: behavioral2
Detonation Overview
Submitted
2024-10-16 01:14
Reported
2024-10-16 01:17
Platform
win10v2004-20241007-en
Max time kernel
150s
Max time network
151s
Command Line
Signatures
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 |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\183c9170d34b3c5e322d5a34d26aaab2bd4acd5338230c4454dc45b6a605bfb8.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\183c9170d34b3c5e322d5a34d26aaab2bd4acd5338230c4454dc45b6a605bfb8.exe
"C:\Users\Admin\AppData\Local\Temp\183c9170d34b3c5e322d5a34d26aaab2bd4acd5338230c4454dc45b6a605bfb8.exe"
Network
| Country | Destination | Domain | Proto |
| US | 204.10.160.167:63749 | tcp | |
| US | 8.8.8.8:53 | 167.160.10.204.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 | 13.86.106.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 71.31.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 50.33.237.178.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 55.36.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 232.168.11.51.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 197.87.175.4.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 198.187.3.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 98.117.19.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 88.210.23.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 88.156.103.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 43.229.111.52.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 |
| US | 8.8.8.8:53 | udp |
Files
C:\ProgramData\rcbook\logs.dat
| MD5 | d7546d56ae1d5d87d3d49ba29fdfce77 |
| SHA1 | 287e2ed715b90990e0dc14eda11be1a4879b61b6 |
| SHA256 | 18bfe8a43a255fe9f0588449dca2473c2c59bad7104aa1eec8aa30c8e1afc88a |
| SHA512 | aae6f584c567d1e485222e01caa717188b4a37b27f00d6c8fcbfccc86938034cc57fcbca136dfd0a554457c3938c1d0e204781fe445eba73206acade0b83f2f6 |