Analysis Overview
SHA256
e93063292dbb2c3209541ea13e57d0cca3225f35eb18977d2b3400a97255a49d
Threat Level: Known bad
The file regasm.exe was found to be: Known bad.
Malicious Activity Summary
VIPKeylogger
Credentials from Password Stores: Credentials from Web Browsers
Reads user/profile data of web browsers
Reads user/profile data of local email clients
Looks up external IP address via web service
Accesses Microsoft Outlook profiles
Suspicious use of SetThreadContext
Browser Information Discovery
System Location Discovery: System Language Discovery
Unsigned PE
outlook_office_path
outlook_win_path
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-08-29 15:32
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-08-29 15:32
Reported
2024-08-29 15:35
Platform
win7-20240704-en
Max time kernel
139s
Max time network
153s
Command Line
Signatures
VIPKeylogger
Credentials from Password Stores: Credentials from Web Browsers
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Accesses Microsoft Outlook profiles
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\Temp\regasm.exe | N/A |
| Key opened | \REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\Temp\regasm.exe | N/A |
| Key opened | \REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\Temp\regasm.exe | N/A |
Looks up external IP address via web service
| Description | Indicator | Process | Target |
| N/A | checkip.dyndns.org | N/A | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 1980 set thread context of 2492 | N/A | C:\Users\Admin\AppData\Local\Temp\regasm.exe | C:\Users\Admin\AppData\Local\Temp\regasm.exe |
Browser Information Discovery
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\regasm.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\regasm.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\regasm.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\regasm.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\regasm.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\regasm.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\regasm.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\regasm.exe | N/A |
Suspicious use of WriteProcessMemory
outlook_office_path
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\Temp\regasm.exe | N/A |
outlook_win_path
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\Temp\regasm.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\regasm.exe
"C:\Users\Admin\AppData\Local\Temp\regasm.exe"
C:\Users\Admin\AppData\Local\Temp\regasm.exe
"C:\Users\Admin\AppData\Local\Temp\regasm.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | checkip.dyndns.org | udp |
| US | 193.122.130.0:80 | checkip.dyndns.org | tcp |
| US | 8.8.8.8:53 | reallyfreegeoip.org | udp |
| US | 172.67.177.134:443 | reallyfreegeoip.org | tcp |
| US | 8.8.8.8:53 | api.telegram.org | udp |
| NL | 149.154.167.220:443 | api.telegram.org | tcp |
| US | 8.8.8.8:53 | smtp.coxenregy.com | udp |
| US | 208.91.199.223:25 | smtp.coxenregy.com | tcp |
| US | 208.91.199.224:25 | smtp.coxenregy.com | tcp |
| US | 208.91.199.225:25 | smtp.coxenregy.com | tcp |
| US | 208.91.198.143:25 | smtp.coxenregy.com | tcp |
Files
memory/1980-0-0x0000000073F6E000-0x0000000073F6F000-memory.dmp
memory/1980-1-0x00000000001C0000-0x0000000000274000-memory.dmp
memory/1980-2-0x0000000073F60000-0x000000007464E000-memory.dmp
memory/1980-3-0x0000000000360000-0x0000000000372000-memory.dmp
memory/1980-4-0x0000000073F6E000-0x0000000073F6F000-memory.dmp
memory/1980-5-0x0000000073F60000-0x000000007464E000-memory.dmp
memory/1980-6-0x00000000003A0000-0x00000000003AE000-memory.dmp
memory/1980-7-0x0000000004D80000-0x0000000004E0C000-memory.dmp
memory/2492-8-0x0000000000400000-0x000000000044A000-memory.dmp
memory/2492-14-0x0000000000400000-0x000000000044A000-memory.dmp
memory/2492-16-0x0000000000400000-0x000000000044A000-memory.dmp
memory/2492-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/2492-11-0x0000000000400000-0x000000000044A000-memory.dmp
memory/2492-10-0x0000000000400000-0x000000000044A000-memory.dmp
memory/2492-18-0x0000000000400000-0x000000000044A000-memory.dmp
memory/2492-9-0x0000000000400000-0x000000000044A000-memory.dmp
memory/2492-19-0x0000000073F60000-0x000000007464E000-memory.dmp
memory/1980-20-0x0000000073F60000-0x000000007464E000-memory.dmp
memory/2492-21-0x0000000073F60000-0x000000007464E000-memory.dmp
memory/2492-22-0x0000000073F60000-0x000000007464E000-memory.dmp
memory/2492-23-0x0000000073F60000-0x000000007464E000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-08-29 15:32
Reported
2024-08-29 15:35
Platform
win10v2004-20240802-en
Max time kernel
134s
Max time network
119s
Command Line
Signatures
VIPKeylogger
Credentials from Password Stores: Credentials from Web Browsers
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Accesses Microsoft Outlook profiles
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\Temp\regasm.exe | N/A |
| Key opened | \REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\Temp\regasm.exe | N/A |
| Key opened | \REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\Temp\regasm.exe | N/A |
Looks up external IP address via web service
| Description | Indicator | Process | Target |
| N/A | checkip.dyndns.org | N/A | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 4516 set thread context of 4528 | N/A | C:\Users\Admin\AppData\Local\Temp\regasm.exe | C:\Users\Admin\AppData\Local\Temp\regasm.exe |
Browser Information Discovery
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\regasm.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\regasm.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\regasm.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\regasm.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\regasm.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\regasm.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\regasm.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\regasm.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\regasm.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\regasm.exe | N/A |
Suspicious use of WriteProcessMemory
outlook_office_path
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\Temp\regasm.exe | N/A |
outlook_win_path
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\Temp\regasm.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\regasm.exe
"C:\Users\Admin\AppData\Local\Temp\regasm.exe"
C:\Users\Admin\AppData\Local\Temp\regasm.exe
"C:\Users\Admin\AppData\Local\Temp\regasm.exe"
C:\Users\Admin\AppData\Local\Temp\regasm.exe
"C:\Users\Admin\AppData\Local\Temp\regasm.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 81.144.22.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 217.106.137.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 64.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 55.36.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 13.86.106.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | checkip.dyndns.org | udp |
| JP | 132.226.8.169:80 | checkip.dyndns.org | tcp |
| US | 8.8.8.8:53 | reallyfreegeoip.org | udp |
| US | 188.114.96.0:443 | reallyfreegeoip.org | tcp |
| US | 8.8.8.8:53 | 169.8.226.132.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 0.96.114.188.in-addr.arpa | udp |
| US | 8.8.8.8:53 | api.telegram.org | udp |
| NL | 149.154.167.220:443 | api.telegram.org | tcp |
| US | 8.8.8.8:53 | 220.167.154.149.in-addr.arpa | udp |
| US | 8.8.8.8:53 | smtp.coxenregy.com | udp |
| US | 208.91.199.223:25 | smtp.coxenregy.com | tcp |
| US | 8.8.8.8:53 | 86.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.31.95.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 37.56.20.217.in-addr.arpa | udp |
| US | 208.91.199.225:25 | smtp.coxenregy.com | tcp |
| US | 208.91.199.224:25 | smtp.coxenregy.com | tcp |
| US | 8.8.8.8:53 | 57.169.31.20.in-addr.arpa | udp |
| US | 208.91.198.143:25 | smtp.coxenregy.com | tcp |
| US | 8.8.8.8:53 | 73.144.22.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 19.229.111.52.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/4516-0-0x00000000746FE000-0x00000000746FF000-memory.dmp
memory/4516-1-0x0000000000770000-0x0000000000824000-memory.dmp
memory/4516-2-0x00000000058B0000-0x0000000005E54000-memory.dmp
memory/4516-3-0x0000000005210000-0x00000000052A2000-memory.dmp
memory/4516-4-0x00000000052E0000-0x00000000052EA000-memory.dmp
memory/4516-5-0x00000000746F0000-0x0000000074EA0000-memory.dmp
memory/4516-6-0x00000000054C0000-0x00000000054D2000-memory.dmp
memory/4516-7-0x00000000746FE000-0x00000000746FF000-memory.dmp
memory/4516-8-0x00000000746F0000-0x0000000074EA0000-memory.dmp
memory/4516-9-0x00000000055F0000-0x00000000055FE000-memory.dmp
memory/4516-10-0x00000000064F0000-0x000000000657C000-memory.dmp
memory/4516-11-0x0000000009010000-0x00000000090AC000-memory.dmp
memory/4528-12-0x0000000000400000-0x000000000044A000-memory.dmp
C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\regasm.exe.log
| MD5 | 8ec831f3e3a3f77e4a7b9cd32b48384c |
| SHA1 | d83f09fd87c5bd86e045873c231c14836e76a05c |
| SHA256 | 7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982 |
| SHA512 | 26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3 |
memory/4516-15-0x00000000746F0000-0x0000000074EA0000-memory.dmp
memory/4528-16-0x00000000746F0000-0x0000000074EA0000-memory.dmp
memory/4528-17-0x00000000746F0000-0x0000000074EA0000-memory.dmp
memory/4528-18-0x00000000746F0000-0x0000000074EA0000-memory.dmp
memory/4528-19-0x0000000006580000-0x0000000006742000-memory.dmp
memory/4528-20-0x0000000006400000-0x0000000006450000-memory.dmp
memory/4528-21-0x0000000006C80000-0x00000000071AC000-memory.dmp