Analysis Overview
SHA256
a461236694dd8f695abc0e9ca8df64dcce9c9d3ac081e624ab7275dca99d4a5b
Threat Level: Shows suspicious behavior
The file Swift Copy Of Pending payment.exe was found to be: Shows suspicious behavior.
Malicious Activity Summary
Drops startup file
Loads dropped DLL
Executes dropped EXE
Looks up external IP address via web service
Accesses Microsoft Outlook profiles
Suspicious use of SetThreadContext
AutoIT Executable
System Location Discovery: System Language Discovery
Unsigned PE
Enumerates physical storage devices
Program crash
outlook_win_path
outlook_office_path
Suspicious behavior: MapViewOfSection
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-10-16 04:21
Signatures
AutoIT Executable
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-10-16 04:21
Reported
2024-10-16 04:23
Platform
win7-20240729-en
Max time kernel
119s
Max time network
127s
Command Line
Signatures
Drops startup file
| Description | Indicator | Process | Target |
| File created | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Lymnaeidae.vbs | C:\Users\Admin\AppData\Local\contrapose\Lymnaeidae.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\contrapose\Lymnaeidae.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\contrapose\Lymnaeidae.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Swift Copy Of Pending payment.exe | N/A |
Accesses Microsoft Outlook profiles
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe | N/A |
| Key opened | \REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe | N/A |
| Key opened | \REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe | N/A |
Looks up external IP address via web service
| Description | Indicator | Process | Target |
| N/A | checkip.dyndns.org | N/A | N/A |
AutoIT Executable
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 1196 set thread context of 2808 | N/A | C:\Users\Admin\AppData\Local\contrapose\Lymnaeidae.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe |
Enumerates physical storage devices
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\Swift Copy Of Pending payment.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\contrapose\Lymnaeidae.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\contrapose\Lymnaeidae.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| 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:\Users\Admin\AppData\Local\contrapose\Lymnaeidae.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\contrapose\Lymnaeidae.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 WriteProcessMemory
outlook_office_path
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe | N/A |
outlook_win_path
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\Swift Copy Of Pending payment.exe
"C:\Users\Admin\AppData\Local\Temp\Swift Copy Of Pending payment.exe"
C:\Users\Admin\AppData\Local\contrapose\Lymnaeidae.exe
"C:\Users\Admin\AppData\Local\Temp\Swift Copy Of Pending payment.exe"
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"C:\Users\Admin\AppData\Local\Temp\Swift Copy Of Pending payment.exe"
C:\Users\Admin\AppData\Local\contrapose\Lymnaeidae.exe
"C:\Users\Admin\AppData\Local\contrapose\Lymnaeidae.exe"
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"C:\Users\Admin\AppData\Local\contrapose\Lymnaeidae.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 | 104.21.67.152:443 | reallyfreegeoip.org | tcp |
| US | 8.8.8.8:53 | api.telegram.org | udp |
| NL | 149.154.167.220:443 | api.telegram.org | tcp |
Files
memory/2436-2-0x0000000003F00000-0x0000000004300000-memory.dmp
\Users\Admin\AppData\Local\contrapose\Lymnaeidae.exe
| MD5 | 9b679868083e626372cfb2c14b41a1e7 |
| SHA1 | 577dce2d101fbf4876b68ff6c3ad7ea4b165fa08 |
| SHA256 | a461236694dd8f695abc0e9ca8df64dcce9c9d3ac081e624ab7275dca99d4a5b |
| SHA512 | 61ea89bd7bd923c334c7730c9d10b8a65516c39fa78e0d59f65e43fb2112f2751649d28b47f5e9271e171809a7b7cd725edcd567ad671a1526fbaf80a1b31cfa |
C:\Users\Admin\AppData\Local\Temp\flexuoseness
| MD5 | d41d8cd98f00b204e9800998ecf8427e |
| SHA1 | da39a3ee5e6b4b0d3255bfef95601890afd80709 |
| SHA256 | e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855 |
| SHA512 | cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e |
memory/1960-12-0x0000000003D50000-0x0000000004150000-memory.dmp
memory/1196-18-0x0000000003D20000-0x0000000004120000-memory.dmp
memory/2808-19-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2808-21-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2808-22-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2808-23-0x0000000074B2E000-0x0000000074B2F000-memory.dmp
memory/2808-24-0x0000000000370000-0x00000000003A0000-memory.dmp
memory/2808-25-0x0000000074B20000-0x000000007520E000-memory.dmp
memory/2808-26-0x0000000074B20000-0x000000007520E000-memory.dmp
memory/2808-27-0x0000000000440000-0x000000000046E000-memory.dmp
memory/2808-28-0x0000000000440000-0x0000000000468000-memory.dmp
memory/2808-29-0x0000000000440000-0x0000000000468000-memory.dmp
memory/2808-31-0x0000000000440000-0x0000000000468000-memory.dmp
memory/2808-87-0x0000000000440000-0x0000000000468000-memory.dmp
memory/2808-33-0x0000000000440000-0x0000000000468000-memory.dmp
memory/2808-35-0x0000000000440000-0x0000000000468000-memory.dmp
memory/2808-37-0x0000000000440000-0x0000000000468000-memory.dmp
memory/2808-39-0x0000000000440000-0x0000000000468000-memory.dmp
memory/2808-41-0x0000000000440000-0x0000000000468000-memory.dmp
memory/2808-43-0x0000000000440000-0x0000000000468000-memory.dmp
memory/2808-45-0x0000000000440000-0x0000000000468000-memory.dmp
memory/2808-47-0x0000000000440000-0x0000000000468000-memory.dmp
memory/2808-49-0x0000000000440000-0x0000000000468000-memory.dmp
memory/2808-51-0x0000000000440000-0x0000000000468000-memory.dmp
memory/2808-53-0x0000000000440000-0x0000000000468000-memory.dmp
memory/2808-55-0x0000000000440000-0x0000000000468000-memory.dmp
memory/2808-57-0x0000000000440000-0x0000000000468000-memory.dmp
memory/2808-59-0x0000000000440000-0x0000000000468000-memory.dmp
memory/2808-61-0x0000000000440000-0x0000000000468000-memory.dmp
memory/2808-63-0x0000000000440000-0x0000000000468000-memory.dmp
memory/2808-65-0x0000000000440000-0x0000000000468000-memory.dmp
memory/2808-67-0x0000000000440000-0x0000000000468000-memory.dmp
memory/2808-69-0x0000000000440000-0x0000000000468000-memory.dmp
memory/2808-71-0x0000000000440000-0x0000000000468000-memory.dmp
memory/2808-73-0x0000000000440000-0x0000000000468000-memory.dmp
memory/2808-75-0x0000000000440000-0x0000000000468000-memory.dmp
memory/2808-77-0x0000000000440000-0x0000000000468000-memory.dmp
memory/2808-79-0x0000000000440000-0x0000000000468000-memory.dmp
memory/2808-81-0x0000000000440000-0x0000000000468000-memory.dmp
memory/2808-85-0x0000000000440000-0x0000000000468000-memory.dmp
memory/2808-83-0x0000000000440000-0x0000000000468000-memory.dmp
memory/2808-476-0x0000000074B20000-0x000000007520E000-memory.dmp
memory/2808-477-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2808-478-0x0000000074B2E000-0x0000000074B2F000-memory.dmp
memory/2808-479-0x0000000074B20000-0x000000007520E000-memory.dmp
memory/2808-480-0x0000000074B20000-0x000000007520E000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-10-16 04:21
Reported
2024-10-16 04:23
Platform
win10v2004-20241007-en
Max time kernel
150s
Max time network
151s
Command Line
Signatures
Drops startup file
| Description | Indicator | Process | Target |
| File created | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Lymnaeidae.vbs | C:\Users\Admin\AppData\Local\contrapose\Lymnaeidae.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\contrapose\Lymnaeidae.exe | N/A |
AutoIT Executable
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Enumerates physical storage devices
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Users\Admin\AppData\Local\contrapose\Lymnaeidae.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\contrapose\Lymnaeidae.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\Swift Copy Of Pending payment.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2244 wrote to memory of 2980 | N/A | C:\Users\Admin\AppData\Local\Temp\Swift Copy Of Pending payment.exe | C:\Users\Admin\AppData\Local\contrapose\Lymnaeidae.exe |
| PID 2244 wrote to memory of 2980 | N/A | C:\Users\Admin\AppData\Local\Temp\Swift Copy Of Pending payment.exe | C:\Users\Admin\AppData\Local\contrapose\Lymnaeidae.exe |
| PID 2244 wrote to memory of 2980 | N/A | C:\Users\Admin\AppData\Local\Temp\Swift Copy Of Pending payment.exe | C:\Users\Admin\AppData\Local\contrapose\Lymnaeidae.exe |
| PID 2980 wrote to memory of 1548 | N/A | C:\Users\Admin\AppData\Local\contrapose\Lymnaeidae.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe |
| PID 2980 wrote to memory of 1548 | N/A | C:\Users\Admin\AppData\Local\contrapose\Lymnaeidae.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe |
| PID 2980 wrote to memory of 1548 | N/A | C:\Users\Admin\AppData\Local\contrapose\Lymnaeidae.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\Swift Copy Of Pending payment.exe
"C:\Users\Admin\AppData\Local\Temp\Swift Copy Of Pending payment.exe"
C:\Users\Admin\AppData\Local\contrapose\Lymnaeidae.exe
"C:\Users\Admin\AppData\Local\Temp\Swift Copy Of Pending payment.exe"
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"C:\Users\Admin\AppData\Local\Temp\Swift Copy Of Pending payment.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 2980 -ip 2980
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2980 -s 708
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 217.106.137.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 71.31.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 205.47.74.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 104.219.191.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 97.17.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 53.210.109.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 15.164.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 83.210.23.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 55.36.223.20.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 | 28.173.189.20.in-addr.arpa | udp |
Files
memory/2244-2-0x00000000043C0000-0x00000000047C0000-memory.dmp
C:\Users\Admin\AppData\Local\contrapose\Lymnaeidae.exe
| MD5 | 9b679868083e626372cfb2c14b41a1e7 |
| SHA1 | 577dce2d101fbf4876b68ff6c3ad7ea4b165fa08 |
| SHA256 | a461236694dd8f695abc0e9ca8df64dcce9c9d3ac081e624ab7275dca99d4a5b |
| SHA512 | 61ea89bd7bd923c334c7730c9d10b8a65516c39fa78e0d59f65e43fb2112f2751649d28b47f5e9271e171809a7b7cd725edcd567ad671a1526fbaf80a1b31cfa |
C:\Users\Admin\AppData\Local\Temp\flexuoseness
| MD5 | 9681c86859fa8bc92f87977f64f1cba7 |
| SHA1 | c50d1646a314e6e4ad0f8d868c7ed101288be380 |
| SHA256 | b99bd48a1f467328420932c5a569b55659876aa124fbb0bc29c2e2cae660f1b2 |
| SHA512 | b975c6e6589d44e61e2bc707eaeea4b2732b7eb14a11cab2e95d1f2532580567c556252f54b2cb5a88a38dccd77301d1b6959a213df1e8c7a2a5fe2d5cfc375b |
memory/2980-10-0x0000000003FA0000-0x00000000043A0000-memory.dmp