Analysis Overview
SHA256
7f945e1d965b68e1ea68a3e9cd2263dd8b664a5cf618529dda169fb650b6505a
Threat Level: Known bad
The file 7f945e1d965b68e1ea68a3e9cd2263dd8b664a5cf618529dda169fb650b6505a was found to be: Known bad.
Malicious Activity Summary
Taurus Stealer
Taurus Stealer Payload
Deletes itself
Reads user/profile data of web browsers
Checks installed software on the system
Accesses 2FA software files, possible credential harvesting
Suspicious use of SetThreadContext
Drops file in Windows directory
Suspicious use of WriteProcessMemory
Delays execution with timeout.exe
Suspicious use of AdjustPrivilegeToken
MITRE ATT&CK
Enterprise Matrix V6
Analysis: static1
Detonation Overview
Reported
2022-02-21 11:20
Signatures
Analysis: behavioral1
Detonation Overview
Submitted
2022-02-21 11:20
Reported
2022-02-21 19:15
Platform
win7-en-20211208
Max time kernel
118s
Max time network
128s
Command Line
Signatures
Taurus Stealer
Taurus Stealer 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 |
Deletes itself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\cmd.exe | N/A |
Reads user/profile data of web browsers
Accesses 2FA software files, possible credential harvesting
Checks installed software on the system
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 960 set thread context of 1612 | N/A | C:\Users\Admin\AppData\Local\Temp\INVOICES_BL_AWB_2021.exe | C:\Users\Admin\AppData\Local\Temp\INVOICES_BL_AWB_2021.exe |
Delays execution with timeout.exe
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\timeout.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\INVOICES_BL_AWB_2021.exe
"C:\Users\Admin\AppData\Local\Temp\INVOICES_BL_AWB_2021.exe"
C:\Users\Admin\AppData\Local\Temp\INVOICES_BL_AWB_2021.exe
"C:\Users\Admin\AppData\Local\Temp\INVOICES_BL_AWB_2021.exe"
C:\Windows\SysWOW64\cmd.exe
/c timeout /t 3 & del /f /q C:\Users\Admin\AppData\Local\Temp\INVOICES_BL_AWB_2021.exe
C:\Windows\SysWOW64\timeout.exe
timeout /t 3
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | boltanew.ga | udp |
Files
memory/960-54-0x00000000030E8000-0x000000000310C000-memory.dmp
memory/960-56-0x00000000030E8000-0x000000000310C000-memory.dmp
memory/960-57-0x0000000000220000-0x0000000000259000-memory.dmp
memory/1612-55-0x0000000000400000-0x000000000043A000-memory.dmp
memory/1612-58-0x0000000075D11000-0x0000000075D13000-memory.dmp
memory/1612-59-0x0000000000400000-0x000000000043A000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2022-02-21 11:20
Reported
2022-02-21 19:15
Platform
win10v2004-en-20220113
Max time kernel
121s
Max time network
147s
Command Line
Signatures
Taurus Stealer
Taurus Stealer 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 |
Reads user/profile data of web browsers
Accesses 2FA software files, possible credential harvesting
Checks installed software on the system
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 4888 set thread context of 1364 | N/A | C:\Users\Admin\AppData\Local\Temp\INVOICES_BL_AWB_2021.exe | C:\Users\Admin\AppData\Local\Temp\INVOICES_BL_AWB_2021.exe |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Windows\SoftwareDistribution\DataStore\DataStore.jfm | C:\Windows\system32\svchost.exe | N/A |
| File opened for modification | C:\Windows\SoftwareDistribution\ReportingEvents.log | C:\Windows\system32\svchost.exe | N/A |
| File opened for modification | C:\Windows\WindowsUpdate.log | C:\Windows\system32\svchost.exe | N/A |
| File opened for modification | C:\Windows\SoftwareDistribution\DataStore\Logs\edb.chk | C:\Windows\system32\svchost.exe | N/A |
| File opened for modification | C:\Windows\SoftwareDistribution\DataStore\Logs\edb.log | C:\Windows\system32\svchost.exe | N/A |
| File opened for modification | C:\Windows\SoftwareDistribution\DataStore\DataStore.edb | C:\Windows\system32\svchost.exe | N/A |
Delays execution with timeout.exe
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\timeout.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeShutdownPrivilege | N/A | C:\Windows\system32\svchost.exe | N/A |
| Token: SeCreatePagefilePrivilege | N/A | C:\Windows\system32\svchost.exe | N/A |
| Token: SeShutdownPrivilege | N/A | C:\Windows\system32\svchost.exe | N/A |
| Token: SeCreatePagefilePrivilege | N/A | C:\Windows\system32\svchost.exe | N/A |
| Token: SeShutdownPrivilege | N/A | C:\Windows\system32\svchost.exe | N/A |
| Token: SeCreatePagefilePrivilege | N/A | C:\Windows\system32\svchost.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\INVOICES_BL_AWB_2021.exe
"C:\Users\Admin\AppData\Local\Temp\INVOICES_BL_AWB_2021.exe"
C:\Users\Admin\AppData\Local\Temp\INVOICES_BL_AWB_2021.exe
"C:\Users\Admin\AppData\Local\Temp\INVOICES_BL_AWB_2021.exe"
C:\Windows\SysWOW64\cmd.exe
/c timeout /t 3 & del /f /q C:\Users\Admin\AppData\Local\Temp\INVOICES_BL_AWB_2021.exe
C:\Windows\SysWOW64\timeout.exe
timeout /t 3
C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s wuauserv
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | boltanew.ga | udp |
| NL | 67.26.111.254:80 | tcp | |
| NL | 67.26.111.254:80 | tcp | |
| NL | 67.26.111.254:80 | tcp | |
| US | 8.8.8.8:53 | crl4.digicert.com | udp |
| US | 93.184.220.29:80 | crl4.digicert.com | tcp |
| US | 93.184.220.29:80 | crl4.digicert.com | tcp |
| US | 93.184.220.29:80 | crl4.digicert.com | tcp |
| US | 93.184.220.29:80 | crl4.digicert.com | tcp |
| NL | 104.110.191.140:80 | tcp | |
| NL | 104.110.191.140:80 | tcp | |
| NL | 104.110.191.140:80 | tcp |
Files
memory/4888-130-0x0000000003013000-0x0000000003036000-memory.dmp
memory/4888-131-0x0000000003013000-0x0000000003036000-memory.dmp
memory/4888-132-0x00000000001C0000-0x00000000001F9000-memory.dmp
memory/1364-133-0x0000000000400000-0x000000000043A000-memory.dmp
memory/1364-134-0x0000000000400000-0x000000000043A000-memory.dmp
memory/4692-135-0x0000020516960000-0x0000020516970000-memory.dmp
memory/4692-136-0x0000020516F20000-0x0000020516F30000-memory.dmp
memory/4692-137-0x00000205195C0000-0x00000205195C4000-memory.dmp