Analysis Overview
SHA256
7b2dea7a8eff410159459e3f89c5e4fa81f8b9d2f6ce02cfaf8e307f3adf9f85
Threat Level: Known bad
The file t40bd50ace847a114b83265af91b7.exe was found to be: Known bad.
Malicious Activity Summary
Gurcu, WhiteSnake
Gurcu family
Reads user/profile data of web browsers
Looks up external IP address via web service
Accesses Microsoft Outlook profiles
Unsigned PE
Modifies system certificate store
Suspicious use of AdjustPrivilegeToken
outlook_win_path
Suspicious behavior: EnumeratesProcesses
outlook_office_path
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2023-10-14 01:17
Signatures
Gurcu family
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2023-10-14 01:17
Reported
2023-10-14 14:23
Platform
win7-20230831-en
Max time kernel
24s
Max time network
100s
Command Line
Signatures
Gurcu, WhiteSnake
Reads user/profile data of web browsers
Accesses Microsoft Outlook profiles
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-2180306848-1874213455-4093218721-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\Temp\t40bd50ace847a114b83265af91b7.exe | N/A |
| Key opened | \REGISTRY\USER\S-1-5-21-2180306848-1874213455-4093218721-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\Temp\t40bd50ace847a114b83265af91b7.exe | N/A |
| Key opened | \REGISTRY\USER\S-1-5-21-2180306848-1874213455-4093218721-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\Temp\t40bd50ace847a114b83265af91b7.exe | N/A |
Looks up external IP address via web service
| Description | Indicator | Process | Target |
| N/A | ip-api.com | N/A | N/A |
Modifies system certificate store
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\A8985D3A65E5E5C4B2D7D66D40C6DD2FB19C5436 | C:\Users\Admin\AppData\Local\Temp\t40bd50ace847a114b83265af91b7.exe | N/A |
| Set value (data) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\A8985D3A65E5E5C4B2D7D66D40C6DD2FB19C5436\Blob = 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 | C:\Users\Admin\AppData\Local\Temp\t40bd50ace847a114b83265af91b7.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\t40bd50ace847a114b83265af91b7.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\t40bd50ace847a114b83265af91b7.exe | N/A |
outlook_office_path
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-2180306848-1874213455-4093218721-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\Temp\t40bd50ace847a114b83265af91b7.exe | N/A |
outlook_win_path
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-2180306848-1874213455-4093218721-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\Temp\t40bd50ace847a114b83265af91b7.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\t40bd50ace847a114b83265af91b7.exe
"C:\Users\Admin\AppData\Local\Temp\t40bd50ace847a114b83265af91b7.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | google.com | udp |
| US | 8.8.8.8:53 | blockchain.com | udp |
| US | 8.8.8.8:53 | google.com | udp |
| US | 8.8.8.8:53 | ip-api.com | udp |
| US | 8.8.8.8:53 | pornhub.com | udp |
| US | 8.8.8.8:53 | openai.com | udp |
| US | 8.8.8.8:53 | youtube.com | udp |
| US | 8.8.8.8:53 | blockchain.com | udp |
| US | 8.8.8.8:53 | youtube.com | udp |
| NL | 142.250.179.142:80 | google.com | tcp |
| NL | 142.250.179.142:80 | google.com | tcp |
| US | 66.254.114.41:80 | pornhub.com | tcp |
| US | 13.107.246.67:80 | openai.com | tcp |
| US | 104.16.29.98:80 | blockchain.com | tcp |
| US | 104.16.29.98:80 | blockchain.com | tcp |
| US | 208.95.112.1:80 | ip-api.com | tcp |
| NL | 216.58.214.14:80 | youtube.com | tcp |
| NL | 216.58.214.14:80 | youtube.com | tcp |
| US | 66.254.114.41:443 | pornhub.com | tcp |
| US | 8.8.8.8:53 | www.blockchain.com | udp |
| US | 8.8.8.8:53 | www.blockchain.com | udp |
| US | 13.107.246.67:443 | openai.com | tcp |
| US | 104.16.29.98:80 | www.blockchain.com | tcp |
| US | 104.16.29.98:80 | www.blockchain.com | tcp |
| US | 104.16.29.98:443 | www.blockchain.com | tcp |
| US | 104.16.29.98:443 | www.blockchain.com | tcp |
| US | 104.16.29.98:80 | www.blockchain.com | tcp |
| US | 104.16.29.98:80 | www.blockchain.com | tcp |
| US | 104.16.29.98:443 | www.blockchain.com | tcp |
| US | 104.16.29.98:443 | www.blockchain.com | tcp |
| US | 104.16.29.98:80 | www.blockchain.com | tcp |
| US | 104.16.29.98:80 | www.blockchain.com | tcp |
| US | 104.16.29.98:443 | www.blockchain.com | tcp |
| US | 104.16.29.98:443 | www.blockchain.com | tcp |
| US | 8.8.8.8:53 | www.pornhub.com | udp |
| US | 104.16.29.98:443 | www.blockchain.com | tcp |
| US | 104.16.29.98:443 | www.blockchain.com | tcp |
| US | 66.254.114.41:443 | www.pornhub.com | tcp |
| NL | 154.61.71.13:80 | tcp | |
| NL | 142.250.179.142:80 | google.com | tcp |
| NL | 142.250.179.142:80 | google.com | tcp |
Files
memory/2192-0-0x00000000000B0000-0x0000000000104000-memory.dmp
memory/2192-1-0x000007FEF55C0000-0x000007FEF5FAC000-memory.dmp
memory/2192-2-0x000000001B3A0000-0x000000001B420000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\Cab8AC4.tmp
| MD5 | f3441b8572aae8801c04f3060b550443 |
| SHA1 | 4ef0a35436125d6821831ef36c28ffaf196cda15 |
| SHA256 | 6720349e7d82ee0a8e73920d3c2b7cb2912d9fcf2edb6fd98f2f12820158b0bf |
| SHA512 | 5ba01ba421b50030e380ae6bbcd2f681f2a91947fe7fedb3c8e6b5f24dce9517abf57b1cf26cc6078d4bb53bde6fcfb2561591337c841f8f2cb121a3d71661b9 |
C:\Users\Admin\AppData\Local\Temp\Tar8B63.tmp
| MD5 | 9441737383d21192400eca82fda910ec |
| SHA1 | 725e0d606a4fc9ba44aa8ffde65bed15e65367e4 |
| SHA256 | bc3a6e84e41faeb57e7c21aa3b60c2a64777107009727c5b7c0ed8fe658909e5 |
| SHA512 | 7608dd653a66cd364392a78d4711b48d1707768d36996e4d38871c6843b5714e1d7da4b4cc6db969e6000cfa182bcb74216ef6823d1063f036fc5c3413fb8dcf |
Analysis: behavioral2
Detonation Overview
Submitted
2023-10-14 01:17
Reported
2023-10-14 14:22
Platform
win10v2004-20230915-en
Max time kernel
2s
Max time network
116s
Command Line
Signatures
Gurcu, WhiteSnake
Reads user/profile data of web browsers
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\t40bd50ace847a114b83265af91b7.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\t40bd50ace847a114b83265af91b7.exe
"C:\Users\Admin\AppData\Local\Temp\t40bd50ace847a114b83265af91b7.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | eset.com | udp |
| US | 8.8.8.8:53 | blockchain.com | udp |
| US | 8.8.8.8:53 | youtube.com | udp |
| US | 8.8.8.8:53 | google.com | udp |
| NL | 216.58.214.14:80 | youtube.com | tcp |
| NL | 142.250.179.142:80 | google.com | tcp |
| SK | 91.228.166.47:80 | eset.com | tcp |
| US | 104.16.29.98:80 | blockchain.com | tcp |
| NL | 216.58.214.14:80 | youtube.com | tcp |
| US | 8.8.8.8:53 | 2.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 146.78.124.51.in-addr.arpa | udp |
| US | 8.8.8.8:53 | github.com | udp |
| US | 140.82.114.3:80 | github.com | tcp |
| US | 8.8.8.8:53 | www.blockchain.com | udp |
| US | 8.8.8.8:53 | www.eset.com | udp |
| US | 104.16.29.98:80 | www.blockchain.com | tcp |
| US | 104.16.29.98:443 | www.blockchain.com | tcp |
Files
memory/3048-0-0x0000013B13640000-0x0000013B13694000-memory.dmp
memory/3048-1-0x00007FFB7BB30000-0x00007FFB7C5F1000-memory.dmp
memory/3048-2-0x0000013B15440000-0x0000013B15450000-memory.dmp