Analysis Overview
SHA256
a245b51ab711d20b944edca262659dba3a0ee6d1590c8f55a858ce82e2a1c647
Threat Level: Known bad
The file 369204590CE91E77109E21A298753522.exe was found to be: Known bad.
Malicious Activity Summary
Gurcu, WhiteSnake
Gurcu family
Detect Gurcu Stealer V3 payload
Checks computer location settings
Reads user/profile data of web browsers
Executes dropped EXE
Deletes itself
Checks installed software on the system
Looks up external IP address via web service
Accesses Microsoft Outlook profiles
Program crash
Enumerates physical storage devices
Unsigned PE
Modifies system certificate store
Suspicious use of WriteProcessMemory
Creates scheduled task(s)
Runs ping.exe
outlook_win_path
Uses Task Scheduler COM API
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Suspicious use of SetWindowsHookEx
outlook_office_path
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2023-09-08 09:46
Signatures
Detect Gurcu Stealer V3 payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Gurcu family
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2023-09-08 09:46
Reported
2023-09-08 09:48
Platform
win7-20230831-en
Max time kernel
118s
Max time network
124s
Command Line
Signatures
Detect Gurcu Stealer V3 payload
| 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 |
Gurcu, WhiteSnake
Deletes itself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\System32\cmd.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\EsetSecurity\369204590CE91E77109E21A298753522.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\EsetSecurity\369204590CE91E77109E21A298753522.exe | N/A |
Reads user/profile data of web browsers
Accesses Microsoft Outlook profiles
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-86725733-3001458681-3405935542-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\EsetSecurity\369204590CE91E77109E21A298753522.exe | N/A |
| Key opened | \REGISTRY\USER\S-1-5-21-86725733-3001458681-3405935542-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\EsetSecurity\369204590CE91E77109E21A298753522.exe | N/A |
| Key opened | \REGISTRY\USER\S-1-5-21-86725733-3001458681-3405935542-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\EsetSecurity\369204590CE91E77109E21A298753522.exe | N/A |
| Key opened | \REGISTRY\USER\S-1-5-21-86725733-3001458681-3405935542-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\EsetSecurity\369204590CE91E77109E21A298753522.exe | N/A |
| Key opened | \REGISTRY\USER\S-1-5-21-86725733-3001458681-3405935542-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\EsetSecurity\369204590CE91E77109E21A298753522.exe | N/A |
| Key opened | \REGISTRY\USER\S-1-5-21-86725733-3001458681-3405935542-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\EsetSecurity\369204590CE91E77109E21A298753522.exe | N/A |
Looks up external IP address via web service
| Description | Indicator | Process | Target |
| N/A | ip-api.com | N/A | N/A |
| N/A | ip-api.com | N/A | N/A |
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\system32\WerFault.exe | C:\Users\Admin\AppData\Local\EsetSecurity\369204590CE91E77109E21A298753522.exe |
| N/A | N/A | C:\Windows\system32\WerFault.exe | C:\Users\Admin\AppData\Local\EsetSecurity\369204590CE91E77109E21A298753522.exe |
Creates scheduled task(s)
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\system32\schtasks.exe | N/A |
Modifies system certificate store
| Description | Indicator | Process | Target |
| Set value (data) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates\CABD2A79A1076A31F21D253635CB039D4329A5E8\Blob = 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 | C:\Users\Admin\AppData\Local\EsetSecurity\369204590CE91E77109E21A298753522.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\DAC9024F54D8F6DF94935FB1732638CA6AD77C13 | C:\Users\Admin\AppData\Local\EsetSecurity\369204590CE91E77109E21A298753522.exe | N/A |
| Set value (data) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\DAC9024F54D8F6DF94935FB1732638CA6AD77C13\Blob = 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 | C:\Users\Admin\AppData\Local\EsetSecurity\369204590CE91E77109E21A298753522.exe | N/A |
| Set value (data) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\DAC9024F54D8F6DF94935FB1732638CA6AD77C13\Blob = 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 | C:\Users\Admin\AppData\Local\EsetSecurity\369204590CE91E77109E21A298753522.exe | N/A |
| Set value (data) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\DAC9024F54D8F6DF94935FB1732638CA6AD77C13\Blob = 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 | C:\Users\Admin\AppData\Local\EsetSecurity\369204590CE91E77109E21A298753522.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates\CABD2A79A1076A31F21D253635CB039D4329A5E8 | C:\Users\Admin\AppData\Local\EsetSecurity\369204590CE91E77109E21A298753522.exe | N/A |
Runs ping.exe
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\system32\PING.EXE | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\EsetSecurity\369204590CE91E77109E21A298753522.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\EsetSecurity\369204590CE91E77109E21A298753522.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\369204590CE91E77109E21A298753522.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\EsetSecurity\369204590CE91E77109E21A298753522.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\EsetSecurity\369204590CE91E77109E21A298753522.exe | N/A |
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
outlook_office_path
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-86725733-3001458681-3405935542-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\EsetSecurity\369204590CE91E77109E21A298753522.exe | N/A |
outlook_win_path
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-86725733-3001458681-3405935542-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\EsetSecurity\369204590CE91E77109E21A298753522.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\369204590CE91E77109E21A298753522.exe
"C:\Users\Admin\AppData\Local\Temp\369204590CE91E77109E21A298753522.exe"
C:\Windows\System32\cmd.exe
"C:\Windows\System32\cmd.exe" /C chcp 65001 && ping 127.0.0.1 && schtasks /create /tn "369204590CE91E77109E21A298753522" /sc MINUTE /tr "C:\Users\Admin\AppData\Local\EsetSecurity\369204590CE91E77109E21A298753522.exe" /rl HIGHEST /f && DEL /F /S /Q /A "C:\Users\Admin\AppData\Local\Temp\369204590CE91E77109E21A298753522.exe" &&START "" "C:\Users\Admin\AppData\Local\EsetSecurity\369204590CE91E77109E21A298753522.exe"
C:\Windows\system32\chcp.com
chcp 65001
C:\Windows\system32\PING.EXE
ping 127.0.0.1
C:\Windows\system32\schtasks.exe
schtasks /create /tn "369204590CE91E77109E21A298753522" /sc MINUTE /tr "C:\Users\Admin\AppData\Local\EsetSecurity\369204590CE91E77109E21A298753522.exe" /rl HIGHEST /f
C:\Users\Admin\AppData\Local\EsetSecurity\369204590CE91E77109E21A298753522.exe
"C:\Users\Admin\AppData\Local\EsetSecurity\369204590CE91E77109E21A298753522.exe"
C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -u -p 2608 -s 3116
C:\Windows\system32\taskeng.exe
taskeng.exe {14D71E3C-0CE5-4569-9B58-7D7DE380F8AE} S-1-5-21-86725733-3001458681-3405935542-1000:ZWKQHIWB\Admin:Interactive:[1]
C:\Users\Admin\AppData\Local\EsetSecurity\369204590CE91E77109E21A298753522.exe
C:\Users\Admin\AppData\Local\EsetSecurity\369204590CE91E77109E21A298753522.exe
C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -u -p 2020 -s 2884
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | archive.torproject.org | udp |
| US | 8.8.8.8:53 | ip-api.com | udp |
| US | 208.95.112.1:80 | ip-api.com | tcp |
| DE | 159.69.63.226:443 | archive.torproject.org | tcp |
| US | 8.8.8.8:53 | apps.identrust.com | udp |
| US | 2.18.121.70:80 | apps.identrust.com | tcp |
| DE | 159.69.63.226:443 | archive.torproject.org | tcp |
| US | 8.8.8.8:53 | ip-api.com | udp |
| US | 208.95.112.1:80 | ip-api.com | tcp |
Files
memory/1692-0-0x0000000000170000-0x0000000000194000-memory.dmp
memory/1692-1-0x000007FEF5BD0000-0x000007FEF65BC000-memory.dmp
memory/1692-2-0x000000001B0E0000-0x000000001B160000-memory.dmp
memory/1692-5-0x000007FEF5BD0000-0x000007FEF65BC000-memory.dmp
C:\Users\Admin\AppData\Local\EsetSecurity\369204590CE91E77109E21A298753522.exe
| MD5 | 369204590ce91e77109e21a298753522 |
| SHA1 | e981f0c86c42e9e8fcbc7dcff0e05c35887a3869 |
| SHA256 | a245b51ab711d20b944edca262659dba3a0ee6d1590c8f55a858ce82e2a1c647 |
| SHA512 | bf4367a692eb1f4c31533ee1391cfc1708c75bf726dd5287ac0fa2e602664fa3a74458ded18c1831db16f0462b202f79b10d0f82f3bcb98423a460002e04cf32 |
C:\Users\Admin\AppData\Local\EsetSecurity\369204590CE91E77109E21A298753522.exe
| MD5 | 369204590ce91e77109e21a298753522 |
| SHA1 | e981f0c86c42e9e8fcbc7dcff0e05c35887a3869 |
| SHA256 | a245b51ab711d20b944edca262659dba3a0ee6d1590c8f55a858ce82e2a1c647 |
| SHA512 | bf4367a692eb1f4c31533ee1391cfc1708c75bf726dd5287ac0fa2e602664fa3a74458ded18c1831db16f0462b202f79b10d0f82f3bcb98423a460002e04cf32 |
memory/2608-9-0x0000000000940000-0x0000000000964000-memory.dmp
memory/2608-10-0x000007FEF51E0000-0x000007FEF5BCC000-memory.dmp
memory/2608-11-0x000000001B160000-0x000000001B1E0000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\Cab849E.tmp
| MD5 | f3441b8572aae8801c04f3060b550443 |
| SHA1 | 4ef0a35436125d6821831ef36c28ffaf196cda15 |
| SHA256 | 6720349e7d82ee0a8e73920d3c2b7cb2912d9fcf2edb6fd98f2f12820158b0bf |
| SHA512 | 5ba01ba421b50030e380ae6bbcd2f681f2a91947fe7fedb3c8e6b5f24dce9517abf57b1cf26cc6078d4bb53bde6fcfb2561591337c841f8f2cb121a3d71661b9 |
C:\Users\Admin\AppData\Local\Temp\Tar84DF.tmp
| MD5 | 9441737383d21192400eca82fda910ec |
| SHA1 | 725e0d606a4fc9ba44aa8ffde65bed15e65367e4 |
| SHA256 | bc3a6e84e41faeb57e7c21aa3b60c2a64777107009727c5b7c0ed8fe658909e5 |
| SHA512 | 7608dd653a66cd364392a78d4711b48d1707768d36996e4d38871c6843b5714e1d7da4b4cc6db969e6000cfa182bcb74216ef6823d1063f036fc5c3413fb8dcf |
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
| MD5 | 6c41edc6b0b9217b04eb6d2d5ea3fa10 |
| SHA1 | 336eeb06a8abdf283b2e3b53464d191ac9940bff |
| SHA256 | 72f848da2c4b38ba8d453e89a8b346452e6c71714c646ba6466078d3a36589de |
| SHA512 | 7041510c4eb7d8e686851fbbee5a06b4e447e32e5476517e8c566723c20a627c4ff16f2b1d69eb494e91213649eb3da22a9f2521553c893c2debc7cbef311e6b |
memory/2608-76-0x000007FEF51E0000-0x000007FEF5BCC000-memory.dmp
memory/2608-77-0x000000001B160000-0x000000001B1E0000-memory.dmp
C:\Users\Admin\AppData\Local\EsetSecurity\369204590CE91E77109E21A298753522.exe
| MD5 | 369204590ce91e77109e21a298753522 |
| SHA1 | e981f0c86c42e9e8fcbc7dcff0e05c35887a3869 |
| SHA256 | a245b51ab711d20b944edca262659dba3a0ee6d1590c8f55a858ce82e2a1c647 |
| SHA512 | bf4367a692eb1f4c31533ee1391cfc1708c75bf726dd5287ac0fa2e602664fa3a74458ded18c1831db16f0462b202f79b10d0f82f3bcb98423a460002e04cf32 |
memory/2020-79-0x000007FEF51E0000-0x000007FEF5BCC000-memory.dmp
memory/2020-80-0x000000001B4A0000-0x000000001B520000-memory.dmp
C:\Users\Admin\AppData\Local\84tnjh4449\port.dat
| MD5 | 7695ea769f021803c508817dd374bb27 |
| SHA1 | 33c27df10ca3bacf99aec5e5db8e769963e41fdd |
| SHA256 | 9d0f9740bf708828641fecffa4c14fa25d195953b513e82203fd62533512d55d |
| SHA512 | 4f933afd509b9a374275022830b9f7cefa58ae8a87e9df793afab0ee0f99f8deb3348c74c053573b071098682fe0beb6eda56f5a2d8a1f879f3a555f3fc51bff |
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
| MD5 | 0988741a70d5aed8bfc8233b892d2205 |
| SHA1 | cef3fab8d6c9d7a4b5dfe73eaefce77667544b66 |
| SHA256 | e77c3f3681bcb76094a0cfe70700ad9c58e0bb6f4ca3804dd495e29740896164 |
| SHA512 | 6e9577a29907850a5e91fa93d7d882593dcd1c26025e975273add071741862a71b02f1ec3d6b89f60008d578b021c75a2fbfa2a055835ec819e18061e0d489ff |
C:\Users\Admin\AppData\Local\Temp\installUtilLog.txt
| MD5 | 1d2c0986ba3c3af924ad4b8776a45190 |
| SHA1 | e4199810598c592fb4304eb37cf90d2ce2065a11 |
| SHA256 | 8f8cc850ea7e227ba100ad943c4c9000857e39d66a0aa6a245f599e6868d04c2 |
| SHA512 | 275f4de2999bc947be2a179aab2ed6e33d7591d3464d3ba43d3ca1b6fc0ada3aae2090f39dc3620bfcfa57824e26aba7b401145137f87115bbd4c3589a291524 |
memory/2020-102-0x000007FEF51E0000-0x000007FEF5BCC000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2023-09-08 09:46
Reported
2023-09-08 09:48
Platform
win10v2004-20230831-en
Max time kernel
128s
Max time network
136s
Command Line
Signatures
Detect Gurcu Stealer V3 payload
| 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 |
Gurcu, WhiteSnake
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-528036852-1341495193-1175965888-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\369204590CE91E77109E21A298753522.exe | N/A |
| Key value queried | \REGISTRY\USER\S-1-5-21-528036852-1341495193-1175965888-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\EsetSecurity\369204590CE91E77109E21A298753522.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\EsetSecurity\369204590CE91E77109E21A298753522.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\84tnjh4449\tor\tor.exe | N/A |
Reads user/profile data of web browsers
Accesses Microsoft Outlook profiles
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-528036852-1341495193-1175965888-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\EsetSecurity\369204590CE91E77109E21A298753522.exe | N/A |
| Key opened | \REGISTRY\USER\S-1-5-21-528036852-1341495193-1175965888-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\EsetSecurity\369204590CE91E77109E21A298753522.exe | N/A |
| Key opened | \REGISTRY\USER\S-1-5-21-528036852-1341495193-1175965888-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\EsetSecurity\369204590CE91E77109E21A298753522.exe | N/A |
Checks installed software on the system
Looks up external IP address via web service
| Description | Indicator | Process | Target |
| N/A | ip-api.com | N/A | N/A |
Enumerates physical storage devices
Creates scheduled task(s)
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\system32\schtasks.exe | N/A |
Runs ping.exe
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\system32\PING.EXE | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\EsetSecurity\369204590CE91E77109E21A298753522.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\EsetSecurity\369204590CE91E77109E21A298753522.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\EsetSecurity\369204590CE91E77109E21A298753522.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\EsetSecurity\369204590CE91E77109E21A298753522.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\369204590CE91E77109E21A298753522.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\EsetSecurity\369204590CE91E77109E21A298753522.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\EsetSecurity\369204590CE91E77109E21A298753522.exe | N/A |
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
outlook_office_path
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-528036852-1341495193-1175965888-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\EsetSecurity\369204590CE91E77109E21A298753522.exe | N/A |
outlook_win_path
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-528036852-1341495193-1175965888-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\EsetSecurity\369204590CE91E77109E21A298753522.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\369204590CE91E77109E21A298753522.exe
"C:\Users\Admin\AppData\Local\Temp\369204590CE91E77109E21A298753522.exe"
C:\Windows\System32\cmd.exe
"C:\Windows\System32\cmd.exe" /C chcp 65001 && ping 127.0.0.1 && schtasks /create /tn "369204590CE91E77109E21A298753522" /sc MINUTE /tr "C:\Users\Admin\AppData\Local\EsetSecurity\369204590CE91E77109E21A298753522.exe" /rl HIGHEST /f && DEL /F /S /Q /A "C:\Users\Admin\AppData\Local\Temp\369204590CE91E77109E21A298753522.exe" &&START "" "C:\Users\Admin\AppData\Local\EsetSecurity\369204590CE91E77109E21A298753522.exe"
C:\Windows\system32\chcp.com
chcp 65001
C:\Windows\system32\PING.EXE
ping 127.0.0.1
C:\Windows\system32\schtasks.exe
schtasks /create /tn "369204590CE91E77109E21A298753522" /sc MINUTE /tr "C:\Users\Admin\AppData\Local\EsetSecurity\369204590CE91E77109E21A298753522.exe" /rl HIGHEST /f
C:\Users\Admin\AppData\Local\EsetSecurity\369204590CE91E77109E21A298753522.exe
"C:\Users\Admin\AppData\Local\EsetSecurity\369204590CE91E77109E21A298753522.exe"
C:\Windows\System32\tar.exe
"C:\Windows\System32\tar.exe" -xvzf "C:\Users\Admin\AppData\Local\Temp\tmpB1FA.tmp" -C "C:\Users\Admin\AppData\Local\84tnjh4449"
C:\Users\Admin\AppData\Local\84tnjh4449\tor\tor.exe
"C:\Users\Admin\AppData\Local\84tnjh4449\tor\tor.exe" -f "C:\Users\Admin\AppData\Local\84tnjh4449\torrc.txt"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 8.8.8.8.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 | 8.3.197.209.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 9.228.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 41.110.16.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.35.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | archive.torproject.org | udp |
| US | 8.8.8.8:53 | ip-api.com | udp |
| DE | 159.69.63.226:443 | archive.torproject.org | tcp |
| US | 208.95.112.1:80 | ip-api.com | tcp |
| US | 8.8.8.8:53 | 1.112.95.208.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 226.63.69.159.in-addr.arpa | udp |
| US | 8.8.8.8:53 | transfer.sh | udp |
| DE | 144.76.136.153:443 | transfer.sh | tcp |
| DE | 138.201.250.33:9011 | 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 | 153.136.76.144.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 33.250.201.138.in-addr.arpa | udp |
| AT | 140.78.100.22:5443 | tcp | |
| N/A | 127.0.0.1:50044 | tcp | |
| DE | 178.254.20.159:443 | tcp | |
| FR | 146.59.156.21:9001 | tcp | |
| DE | 217.79.179.177:9001 | tcp | |
| US | 8.8.8.8:53 | 220.167.154.149.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 22.100.78.140.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 159.20.254.178.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 21.156.59.146.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 177.179.79.217.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 158.240.127.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 2.136.104.51.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.165.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 206.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 66.112.168.52.in-addr.arpa | udp |
Files
memory/2004-0-0x000002379E9B0000-0x000002379E9D4000-memory.dmp
memory/2004-4-0x00000237B8FE0000-0x00000237B8FF0000-memory.dmp
memory/2004-3-0x00007FFDAF6D0000-0x00007FFDB0191000-memory.dmp
memory/2004-6-0x00007FFDAF6D0000-0x00007FFDB0191000-memory.dmp
C:\Users\Admin\AppData\Local\EsetSecurity\369204590CE91E77109E21A298753522.exe
| MD5 | 369204590ce91e77109e21a298753522 |
| SHA1 | e981f0c86c42e9e8fcbc7dcff0e05c35887a3869 |
| SHA256 | a245b51ab711d20b944edca262659dba3a0ee6d1590c8f55a858ce82e2a1c647 |
| SHA512 | bf4367a692eb1f4c31533ee1391cfc1708c75bf726dd5287ac0fa2e602664fa3a74458ded18c1831db16f0462b202f79b10d0f82f3bcb98423a460002e04cf32 |
C:\Users\Admin\AppData\Local\EsetSecurity\369204590CE91E77109E21A298753522.exe
| MD5 | 369204590ce91e77109e21a298753522 |
| SHA1 | e981f0c86c42e9e8fcbc7dcff0e05c35887a3869 |
| SHA256 | a245b51ab711d20b944edca262659dba3a0ee6d1590c8f55a858ce82e2a1c647 |
| SHA512 | bf4367a692eb1f4c31533ee1391cfc1708c75bf726dd5287ac0fa2e602664fa3a74458ded18c1831db16f0462b202f79b10d0f82f3bcb98423a460002e04cf32 |
C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\369204590CE91E77109E21A298753522.exe.log
| MD5 | 3308a84a40841fab7dfec198b3c31af7 |
| SHA1 | 4e7ab6336c0538be5dd7da529c0265b3b6523083 |
| SHA256 | 169bc31a8d1666535977ca170d246a463e6531bb21faab6c48cb4269d9d60b2e |
| SHA512 | 97521d5fb94efdc836ea2723098a1f26a7589a76af51358eee17292d29c9325baf53ad6b4496c5ca3e208d1c9b9ad6797a370e2ae378072fc68f5d6e8b73b198 |
memory/3452-11-0x00007FFDAEB40000-0x00007FFDAF601000-memory.dmp
memory/3452-12-0x00000253D4420000-0x00000253D4430000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\tmpB1FA.tmp
| MD5 | 89d2d5811c1aff539bb355f15f3ddad0 |
| SHA1 | 5bb3577c25b6d323d927200c48cd184a3e27c873 |
| SHA256 | b630008f6d3887793d48b87091e56691e292894dd4fa100dc4a418a2f29dcc12 |
| SHA512 | 39e576124c54143520c5435a2ef9b24506131e13403489c0692f09b89135015d611c4988d4772f8a1e6557fa68b4667d467334461009cee8c2227dfc3e295289 |
C:\Users\Admin\AppData\Local\84tnjh4449\tor\tor.exe
| MD5 | 88590909765350c0d70c6c34b1f31dd2 |
| SHA1 | 129b27c3926e53e5df6d44cc6adf39c3a8d9ebf7 |
| SHA256 | 46fe244b548265c78ab961e8f787bc8bf21edbcaaf175fa3b8be3137c6845a82 |
| SHA512 | a8af08d9169a31a1c3419d4e6e8fbe608c800d323840563b5a560d3e09e78a492201f07cc0d3864efbff8ad81e59885fc43a6b749e0a3377aa8555df258af192 |
C:\Users\Admin\AppData\Local\84tnjh4449\tor\tor.exe
| MD5 | 88590909765350c0d70c6c34b1f31dd2 |
| SHA1 | 129b27c3926e53e5df6d44cc6adf39c3a8d9ebf7 |
| SHA256 | 46fe244b548265c78ab961e8f787bc8bf21edbcaaf175fa3b8be3137c6845a82 |
| SHA512 | a8af08d9169a31a1c3419d4e6e8fbe608c800d323840563b5a560d3e09e78a492201f07cc0d3864efbff8ad81e59885fc43a6b749e0a3377aa8555df258af192 |
C:\Users\Admin\AppData\Local\84tnjh4449\torrc.txt
| MD5 | 0a19f7d35d052f6b0b06e1bfc4bd43f5 |
| SHA1 | f76cd369e24fd2faabeffcc3a05e19e961f4d07e |
| SHA256 | da69ff6a1173f0052924f0fdb3a81cadb2e48eb77778560a190126bcf016c9a2 |
| SHA512 | 51dc40829ee030ef118103b24b42bd8717bf7a8018a18e5aa448084ad6d9e5f5cafef217adfa22bf9d04aa01d5c13fb26a37d6206b351b998b96bc97de2fdd96 |
C:\Users\Admin\AppData\Local\84tnjh4449\host\hostname
| MD5 | 7514b7a3b8eac38d6c4664103dc875d5 |
| SHA1 | 94859dfa1e01440f90baec88ddde2ebde5ce63d4 |
| SHA256 | e469456cc411cb2a844d469824f4a91a0f8730b98b8f458bb5ae559bd78679a8 |
| SHA512 | 780dab12c973d9445aa6e5d3e2315ef72ced9f98fa5b89517b72a82d575d5b6f15005e3a318b91f11ff09dffc098c8003b56c7866a19cfbda05760d0e7f0a78c |
C:\Users\Admin\AppData\Local\84tnjh4449\data\cached-microdesc-consensus.tmp
| MD5 | a16fb07bbf99c6183f970b4035eb661e |
| SHA1 | 8f62ae7875b0473da5b32feff18f468ce6912ef1 |
| SHA256 | f364c978e02cd9edc1e0c5728887a1b58c7382bb1a489a571eedcb09dd8c7b0a |
| SHA512 | a81bea0d5ce95fced2089953d9b6e7d99ed5d46885549a5210ad12a6251d8ae4ae00072c246239cacb6cf10b238d71999cb98f3dbd301ab6b6184f737e0e3cbb |
C:\Users\Admin\AppData\Local\84tnjh4449\data\cached-certs
| MD5 | 8a61a80582aa209b5a2bee3b430692ac |
| SHA1 | 9ade239d05bc8d510aafcdeb57618eec0cc61495 |
| SHA256 | 59fdb65c676d64e7b2343fb337e9216f2fa7674a16df831c4c327840f8380f8e |
| SHA512 | 1afed0a7609d33bf0f8873d179f71424e377d6cca21e081fe596c684c6ba6040024a78210b69f7751ac28b2efbb33c819c89969f3cb02218111c6d4b81bd437b |
C:\Users\Admin\AppData\Local\84tnjh4449\data\cached-microdescs.new
| MD5 | 7c8525bb7aeaad9f3a38e9d3a13dc588 |
| SHA1 | 0b0cfec359e8bc32726c28c61d25e860748b85bd |
| SHA256 | 3fac37e379ccab04255da34df1d9fd47676b6a99650cba1c14824c9ae0bde25b |
| SHA512 | f0c6eb254948567462844f670bb180ade8715f101bd6ee187826248afcbbad5a4596adf92570866b20496f49a0612655d6181f08ed85830fd484301dbafd0a2c |
memory/3452-59-0x00007FFDAEB40000-0x00007FFDAF601000-memory.dmp
memory/3452-69-0x00000253D4420000-0x00000253D4430000-memory.dmp