Analysis Overview
SHA256
83d364c969b64ac72b8f8eb1e66d60c6915d10d385190d29ba6df82c67167f0b
Threat Level: Known bad
The file 83d364c969b64ac72b8f8eb1e66d60c6915d10d385190d29ba6df82c67167f0b was found to be: Known bad.
Malicious Activity Summary
Suspicious use of NtCreateProcessExOtherParentProcess
Taurus Stealer Payload
Taurus Stealer
Executes dropped EXE
UPX packed file
Reads user/profile data of web browsers
Loads dropped DLL
Deletes itself
Checks installed software on the system
Accesses 2FA software files, possible credential harvesting
Program crash
Delays execution with timeout.exe
Checks processor information in registry
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates system info in registry
MITRE ATT&CK
Enterprise Matrix V6
Analysis: static1
Detonation Overview
Reported
2022-03-02 06:03
Signatures
Analysis: behavioral1
Detonation Overview
Submitted
2022-03-02 06:03
Reported
2022-03-02 06:05
Platform
win7-en-20211208
Max time kernel
117s
Max time network
125s
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 |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\83d364c969b64ac72b8f8eb1e66d60c6915d10d385190d29ba6df82c67167f0bmgr.exe | N/A |
UPX packed file
| 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 |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\83d364c969b64ac72b8f8eb1e66d60c6915d10d385190d29ba6df82c67167f0b.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\83d364c969b64ac72b8f8eb1e66d60c6915d10d385190d29ba6df82c67167f0b.exe | N/A |
Reads user/profile data of web browsers
Accesses 2FA software files, possible credential harvesting
Checks installed software on the system
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\83d364c969b64ac72b8f8eb1e66d60c6915d10d385190d29ba6df82c67167f0b.exe
"C:\Users\Admin\AppData\Local\Temp\83d364c969b64ac72b8f8eb1e66d60c6915d10d385190d29ba6df82c67167f0b.exe"
C:\Users\Admin\AppData\Local\Temp\83d364c969b64ac72b8f8eb1e66d60c6915d10d385190d29ba6df82c67167f0bmgr.exe
C:\Users\Admin\AppData\Local\Temp\83d364c969b64ac72b8f8eb1e66d60c6915d10d385190d29ba6df82c67167f0bmgr.exe
C:\Windows\SysWOW64\cmd.exe
/c timeout /t 3 & del /f /q C:\Users\Admin\AppData\Local\Temp\83d364c969b64ac72b8f8eb1e66d60c6915d10d385190d29ba6df82c67167f0b.exe
C:\Windows\SysWOW64\timeout.exe
timeout /t 3
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | xreakmnpmc.xyz | udp |
Files
\Users\Admin\AppData\Local\Temp\83d364c969b64ac72b8f8eb1e66d60c6915d10d385190d29ba6df82c67167f0bmgr.exe
| MD5 | a767f197a9dab7a2caa273ffaeac4c3a |
| SHA1 | 2fa39063a7431d2bfd9e5ea65cf9ab6a3b4fdb23 |
| SHA256 | a5d19b118cf998fb745d2f1f3cbe1bdef208ddd15aee2342de2d18c9c903dded |
| SHA512 | d5847f1202037bb98c983412117ae435ab1fdab0b96d4c1eb0be58e6e2c530a2b6d5f44736cd51a169486706d0bfe6ead0c1bcce7cec2ee8582436e70c367ced |
C:\Users\Admin\AppData\Local\Temp\83d364c969b64ac72b8f8eb1e66d60c6915d10d385190d29ba6df82c67167f0bmgr.exe
| MD5 | a767f197a9dab7a2caa273ffaeac4c3a |
| SHA1 | 2fa39063a7431d2bfd9e5ea65cf9ab6a3b4fdb23 |
| SHA256 | a5d19b118cf998fb745d2f1f3cbe1bdef208ddd15aee2342de2d18c9c903dded |
| SHA512 | d5847f1202037bb98c983412117ae435ab1fdab0b96d4c1eb0be58e6e2c530a2b6d5f44736cd51a169486706d0bfe6ead0c1bcce7cec2ee8582436e70c367ced |
\Users\Admin\AppData\Local\Temp\83d364c969b64ac72b8f8eb1e66d60c6915d10d385190d29ba6df82c67167f0bmgr.exe
| MD5 | a767f197a9dab7a2caa273ffaeac4c3a |
| SHA1 | 2fa39063a7431d2bfd9e5ea65cf9ab6a3b4fdb23 |
| SHA256 | a5d19b118cf998fb745d2f1f3cbe1bdef208ddd15aee2342de2d18c9c903dded |
| SHA512 | d5847f1202037bb98c983412117ae435ab1fdab0b96d4c1eb0be58e6e2c530a2b6d5f44736cd51a169486706d0bfe6ead0c1bcce7cec2ee8582436e70c367ced |
memory/880-58-0x0000000003180000-0x00000000031A2000-memory.dmp
memory/880-59-0x0000000003180000-0x00000000031A2000-memory.dmp
memory/880-60-0x0000000000250000-0x0000000000286000-memory.dmp
memory/880-61-0x0000000000400000-0x0000000000437000-memory.dmp
memory/880-62-0x0000000075B11000-0x0000000075B13000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2022-03-02 06:03
Reported
2022-03-02 06:06
Platform
win10v2004-en-20220112
Max time kernel
111s
Max time network
161s
Command Line
Signatures
Suspicious use of NtCreateProcessExOtherParentProcess
| Description | Indicator | Process | Target |
| PID 3764 created 3216 | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Users\Admin\AppData\Local\Temp\83d364c969b64ac72b8f8eb1e66d60c6915d10d385190d29ba6df82c67167f0b.exe |
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 |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\83d364c969b64ac72b8f8eb1e66d60c6915d10d385190d29ba6df82c67167f0bmgr.exe | N/A |
UPX packed file
| Description | Indicator | Process | Target |
| 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
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Users\Admin\AppData\Local\Temp\83d364c969b64ac72b8f8eb1e66d60c6915d10d385190d29ba6df82c67167f0b.exe |
Checks processor information in registry
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 | C:\Windows\SysWOW64\WerFault.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz | C:\Windows\SysWOW64\WerFault.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString | C:\Windows\SysWOW64\WerFault.exe | N/A |
Delays execution with timeout.exe
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\timeout.exe | N/A |
Enumerates system info in registry
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\Hardware\Description\System\BIOS | C:\Windows\SysWOW64\WerFault.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU | C:\Windows\SysWOW64\WerFault.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeRestorePrivilege | N/A | C:\Windows\SysWOW64\WerFault.exe | N/A |
| Token: SeBackupPrivilege | N/A | C:\Windows\SysWOW64\WerFault.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\83d364c969b64ac72b8f8eb1e66d60c6915d10d385190d29ba6df82c67167f0b.exe
"C:\Users\Admin\AppData\Local\Temp\83d364c969b64ac72b8f8eb1e66d60c6915d10d385190d29ba6df82c67167f0b.exe"
C:\Users\Admin\AppData\Local\Temp\83d364c969b64ac72b8f8eb1e66d60c6915d10d385190d29ba6df82c67167f0bmgr.exe
C:\Users\Admin\AppData\Local\Temp\83d364c969b64ac72b8f8eb1e66d60c6915d10d385190d29ba6df82c67167f0bmgr.exe
C:\Windows\SysWOW64\cmd.exe
/c timeout /t 3 & del /f /q C:\Users\Admin\AppData\Local\Temp\83d364c969b64ac72b8f8eb1e66d60c6915d10d385190d29ba6df82c67167f0b.exe
C:\Windows\SysWOW64\timeout.exe
timeout /t 3
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 3216 -ip 3216
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3216 -s 1336
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | xreakmnpmc.xyz | udp |
| US | 13.107.4.50:80 | tcp | |
| US | 13.107.4.50:80 | tcp | |
| US | 8.8.8.8:53 | xreakmnpmc.xyz | udp |
| US | 8.8.8.8:53 | geo.prod.do.dsp.mp.microsoft.com | udp |
| US | 52.184.213.187:443 | geo.prod.do.dsp.mp.microsoft.com | tcp |
| US | 8.8.8.8:53 | kv801.prod.do.dsp.mp.microsoft.com | udp |
| NL | 184.29.205.60:443 | kv801.prod.do.dsp.mp.microsoft.com | tcp |
| US | 8.8.8.8:53 | cp801.prod.do.dsp.mp.microsoft.com | udp |
| NL | 184.29.205.60:443 | cp801.prod.do.dsp.mp.microsoft.com | tcp |
| NL | 184.29.205.60:443 | cp801.prod.do.dsp.mp.microsoft.com | tcp |
Files
C:\Users\Admin\AppData\Local\Temp\83d364c969b64ac72b8f8eb1e66d60c6915d10d385190d29ba6df82c67167f0bmgr.exe
| MD5 | a767f197a9dab7a2caa273ffaeac4c3a |
| SHA1 | 2fa39063a7431d2bfd9e5ea65cf9ab6a3b4fdb23 |
| SHA256 | a5d19b118cf998fb745d2f1f3cbe1bdef208ddd15aee2342de2d18c9c903dded |
| SHA512 | d5847f1202037bb98c983412117ae435ab1fdab0b96d4c1eb0be58e6e2c530a2b6d5f44736cd51a169486706d0bfe6ead0c1bcce7cec2ee8582436e70c367ced |
C:\Users\Admin\AppData\Local\Temp\83d364c969b64ac72b8f8eb1e66d60c6915d10d385190d29ba6df82c67167f0bmgr.exe
| MD5 | a767f197a9dab7a2caa273ffaeac4c3a |
| SHA1 | 2fa39063a7431d2bfd9e5ea65cf9ab6a3b4fdb23 |
| SHA256 | a5d19b118cf998fb745d2f1f3cbe1bdef208ddd15aee2342de2d18c9c903dded |
| SHA512 | d5847f1202037bb98c983412117ae435ab1fdab0b96d4c1eb0be58e6e2c530a2b6d5f44736cd51a169486706d0bfe6ead0c1bcce7cec2ee8582436e70c367ced |
memory/3216-132-0x00000000033BC000-0x00000000033DD000-memory.dmp
memory/3216-133-0x00000000033BC000-0x00000000033DD000-memory.dmp
memory/3216-134-0x00000000032D0000-0x0000000003306000-memory.dmp
memory/3216-135-0x0000000000400000-0x0000000000437000-memory.dmp