Analysis Overview
SHA256
9138077c72187bf72604a20c261245b0fff8fb389277d2f82eacc59949ec8878
Threat Level: Known bad
The file 9138077c72187bf72604a20c261245b0fff8fb389277d2f82eacc59949ec8878 was found to be: Known bad.
Malicious Activity Summary
UAC bypass
RMS
Modifies Windows Firewall
Executes dropped EXE
Loads dropped DLL
Checks computer location settings
Drops file in Windows directory
Enumerates physical storage devices
Suspicious use of SetWindowsHookEx
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Modifies data under HKEY_USERS
Modifies Internet Explorer settings
Modifies registry key
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V6
Analysis: static1
Detonation Overview
Reported
2022-01-28 19:38
Signatures
Analysis: behavioral1
Detonation Overview
Submitted
2022-01-28 19:38
Reported
2022-01-28 20:42
Platform
win7-en-20211208
Max time kernel
156s
Max time network
164s
Command Line
Signatures
RMS
UAC bypass
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\System64\sysdisk.exe | N/A |
| N/A | N/A | C:\Windows\System64\sysdisk.exe | N/A |
Modifies Windows Firewall
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-2329389628-4064185017-3901522362-1000\Control Panel\International\Geo\Nation | C:\Windows\System64\sysdisk.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\9138077c72187bf72604a20c261245b0fff8fb389277d2f82eacc59949ec8878.exe | N/A |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\System64\vp8decoder.dll | C:\Users\Admin\AppData\Local\Temp\9138077c72187bf72604a20c261245b0fff8fb389277d2f82eacc59949ec8878.exe | N/A |
| File created | C:\Windows\System64\sysdisk.exe | C:\Users\Admin\AppData\Local\Temp\9138077c72187bf72604a20c261245b0fff8fb389277d2f82eacc59949ec8878.exe | N/A |
| File created | C:\Windows\System64\vp8encoder.dll | C:\Users\Admin\AppData\Local\Temp\9138077c72187bf72604a20c261245b0fff8fb389277d2f82eacc59949ec8878.exe | N/A |
Enumerates physical storage devices
Modifies Internet Explorer settings
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\USER\S-1-5-21-2329389628-4064185017-3901522362-1000\Software\Microsoft\Internet Explorer\Main | C:\Users\Admin\AppData\Local\Temp\9138077c72187bf72604a20c261245b0fff8fb389277d2f82eacc59949ec8878.exe | N/A |
Modifies registry key
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\reg.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\System64\sysdisk.exe | N/A |
| N/A | N/A | C:\Windows\System64\sysdisk.exe | N/A |
| N/A | N/A | C:\Windows\System64\sysdisk.exe | N/A |
| N/A | N/A | C:\Windows\System64\sysdisk.exe | N/A |
| N/A | N/A | C:\Windows\System64\sysdisk.exe | N/A |
| N/A | N/A | C:\Windows\System64\sysdisk.exe | N/A |
| N/A | N/A | C:\Windows\System64\sysdisk.exe | N/A |
| N/A | N/A | C:\Windows\System64\sysdisk.exe | N/A |
| N/A | N/A | C:\Windows\System64\sysdisk.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeShutdownPrivilege | N/A | C:\Windows\SysWOW64\powercfg.exe | N/A |
| Token: SeShutdownPrivilege | N/A | C:\Windows\SysWOW64\powercfg.exe | N/A |
| Token: SeShutdownPrivilege | N/A | C:\Windows\SysWOW64\powercfg.exe | N/A |
| Token: SeShutdownPrivilege | N/A | C:\Windows\SysWOW64\powercfg.exe | N/A |
| Token: SeShutdownPrivilege | N/A | C:\Windows\SysWOW64\powercfg.exe | N/A |
| Token: SeCreatePagefilePrivilege | N/A | C:\Windows\SysWOW64\powercfg.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\System64\sysdisk.exe | N/A |
| Token: SeTakeOwnershipPrivilege | N/A | C:\Windows\System64\sysdisk.exe | N/A |
| Token: SeTcbPrivilege | N/A | C:\Windows\System64\sysdisk.exe | N/A |
| Token: SeTcbPrivilege | N/A | C:\Windows\System64\sysdisk.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\9138077c72187bf72604a20c261245b0fff8fb389277d2f82eacc59949ec8878.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\9138077c72187bf72604a20c261245b0fff8fb389277d2f82eacc59949ec8878.exe | N/A |
| N/A | N/A | C:\Windows\System64\sysdisk.exe | N/A |
| N/A | N/A | C:\Windows\System64\sysdisk.exe | N/A |
| N/A | N/A | C:\Windows\System64\sysdisk.exe | N/A |
| N/A | N/A | C:\Windows\System64\sysdisk.exe | N/A |
| N/A | N/A | C:\Windows\System64\sysdisk.exe | N/A |
| N/A | N/A | C:\Windows\System64\sysdisk.exe | N/A |
| N/A | N/A | C:\Windows\System64\sysdisk.exe | N/A |
| N/A | N/A | C:\Windows\System64\sysdisk.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\9138077c72187bf72604a20c261245b0fff8fb389277d2f82eacc59949ec8878.exe
"C:\Users\Admin\AppData\Local\Temp\9138077c72187bf72604a20c261245b0fff8fb389277d2f82eacc59949ec8878.exe"
C:\Windows\SysWOW64\netsh.exe
netsh firewall set opmode mode=disable
C:\Windows\SysWOW64\netsh.exe
netsh advfirewall set allprofiles state off
C:\Windows\SysWOW64\reg.exe
reg.exe ADD HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System /v EnableLUA /t REG_DWORD /d 0 /f
C:\Windows\SysWOW64\powercfg.exe
powercfg.exe -h off
C:\Windows\System64\sysdisk.exe
"C:\Windows\System64\sysdisk.exe"
C:\Windows\System64\sysdisk.exe
C:\Windows\System64\sysdisk.exe -second
Network
| Country | Destination | Domain | Proto |
| US | 108.186.111.141:80 | tcp | |
| US | 8.8.8.8:53 | rms-server.tektonit.ru | udp |
| RU | 95.213.205.83:5655 | rms-server.tektonit.ru | tcp |
| US | 8.8.8.8:53 | black-rad.pro | udp |
Files
memory/576-55-0x00000000758A1000-0x00000000758A3000-memory.dmp
memory/576-56-0x0000000000230000-0x0000000000231000-memory.dmp
\Windows\System64\sysdisk.exe
| MD5 | 92aee365c9fab710fa68b362e5910264 |
| SHA1 | a145a246311bed3c4c5e14332618795a189e13a4 |
| SHA256 | 0d5373376ab09d8d286732008b15a5bdf34ec9fa7492504e2634bb2490760713 |
| SHA512 | 6c37048df8bb80cc04453859ef86cc89e866c21fc3f24930aa7dfe6114ffba6fd82204d15e69d30f2b8b326ea31737af17a2729f1272e515a05f9af6ea8e84e9 |
C:\Windows\System64\sysdisk.exe
| MD5 | 92aee365c9fab710fa68b362e5910264 |
| SHA1 | a145a246311bed3c4c5e14332618795a189e13a4 |
| SHA256 | 0d5373376ab09d8d286732008b15a5bdf34ec9fa7492504e2634bb2490760713 |
| SHA512 | 6c37048df8bb80cc04453859ef86cc89e866c21fc3f24930aa7dfe6114ffba6fd82204d15e69d30f2b8b326ea31737af17a2729f1272e515a05f9af6ea8e84e9 |
C:\Windows\System64\sysdisk.exe
| MD5 | 92aee365c9fab710fa68b362e5910264 |
| SHA1 | a145a246311bed3c4c5e14332618795a189e13a4 |
| SHA256 | 0d5373376ab09d8d286732008b15a5bdf34ec9fa7492504e2634bb2490760713 |
| SHA512 | 6c37048df8bb80cc04453859ef86cc89e866c21fc3f24930aa7dfe6114ffba6fd82204d15e69d30f2b8b326ea31737af17a2729f1272e515a05f9af6ea8e84e9 |
memory/1100-62-0x0000000000270000-0x0000000000271000-memory.dmp
memory/1100-63-0x0000000000EF0000-0x0000000000EF1000-memory.dmp
C:\Windows\System64\sysdisk.exe
| MD5 | 92aee365c9fab710fa68b362e5910264 |
| SHA1 | a145a246311bed3c4c5e14332618795a189e13a4 |
| SHA256 | 0d5373376ab09d8d286732008b15a5bdf34ec9fa7492504e2634bb2490760713 |
| SHA512 | 6c37048df8bb80cc04453859ef86cc89e866c21fc3f24930aa7dfe6114ffba6fd82204d15e69d30f2b8b326ea31737af17a2729f1272e515a05f9af6ea8e84e9 |
memory/1544-66-0x0000000000200000-0x0000000000201000-memory.dmp
C:\Windows\System64\vp8decoder.dll
| MD5 | d43fa82fab5337ce20ad14650085c5d9 |
| SHA1 | 678aa092075ff65b6815ffc2d8fdc23af8425981 |
| SHA256 | c022958429edd94bfe31f2eacfe24ff6b45d6f12747725c449a36116373de03b |
| SHA512 | 103e61a9f58df03316676a074487e50ec518479c11068df3736df139b85c7671048c65bce0ef2c55b3c50c61fde54e9e6c7d1b795aea71263ae94c91d4874e0d |
C:\Windows\System64\vp8encoder.dll
| MD5 | dab4646806dfca6d0e0b4d80fa9209d6 |
| SHA1 | 8244dfe22ec2090eee89dad103e6b2002059d16a |
| SHA256 | cb6ef96d3a66ef08ec2c8640b751a52d6d4f4530cf01162a69966f0fd5153587 |
| SHA512 | aa5eb93bf23a10de797d6fb52a55a95d36bc48927c76fedd81e0c48872745cb7f7d1b3f230eaae42fd4e79b6a59ca707e56bd6963b03644cbd5984f11e98d6e7 |
memory/1544-69-0x0000000004C60000-0x0000000004C61000-memory.dmp
memory/1544-70-0x0000000004CB0000-0x0000000004CB1000-memory.dmp
memory/1544-72-0x0000000004CA0000-0x0000000004CA1000-memory.dmp
memory/1544-71-0x0000000004C70000-0x0000000004C71000-memory.dmp
memory/1544-73-0x0000000004E50000-0x0000000004E51000-memory.dmp
memory/1544-75-0x0000000005390000-0x0000000005391000-memory.dmp
memory/1544-74-0x0000000005340000-0x0000000005341000-memory.dmp
memory/1544-76-0x00000000053E0000-0x00000000053E1000-memory.dmp
memory/1544-77-0x0000000005430000-0x0000000005431000-memory.dmp
memory/1544-80-0x0000000005460000-0x0000000005570000-memory.dmp
memory/1544-81-0x0000000005460000-0x0000000005570000-memory.dmp
memory/1544-82-0x00000000058A0000-0x00000000058A1000-memory.dmp
memory/1544-83-0x00000000058B0000-0x00000000058B1000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2022-01-28 19:38
Reported
2022-01-28 20:42
Platform
win10-en-20211208
Max time kernel
183s
Max time network
187s
Command Line
Signatures
RMS
UAC bypass
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\System64\sysdisk.exe | N/A |
| N/A | N/A | C:\Windows\System64\sysdisk.exe | N/A |
Modifies Windows Firewall
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-369956170-74428499-1628131376-1000\Control Panel\International\Geo\Nation | C:\Windows\System64\sysdisk.exe | N/A |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\System64\vp8encoder.dll | C:\Users\Admin\AppData\Local\Temp\9138077c72187bf72604a20c261245b0fff8fb389277d2f82eacc59949ec8878.exe | N/A |
| File created | C:\Windows\System64\vp8decoder.dll | C:\Users\Admin\AppData\Local\Temp\9138077c72187bf72604a20c261245b0fff8fb389277d2f82eacc59949ec8878.exe | N/A |
| File created | C:\Windows\System64\sysdisk.exe | C:\Users\Admin\AppData\Local\Temp\9138077c72187bf72604a20c261245b0fff8fb389277d2f82eacc59949ec8878.exe | N/A |
Enumerates physical storage devices
Modifies data under HKEY_USERS
| Description | Indicator | Process | Target |
| Set value (data) | \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\16\52C64B7E\LanguageList = 65006e002d0055005300000065006e0000000000 | C:\Windows\System64\sysdisk.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\16\52C64B7E\@C:\Windows\SysWOW64\FirewallControlPanel.dll,-12122 = "Windows Firewall" | C:\Windows\System64\sysdisk.exe | N/A |
Modifies registry key
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\reg.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\System64\sysdisk.exe | N/A |
| N/A | N/A | C:\Windows\System64\sysdisk.exe | N/A |
| N/A | N/A | C:\Windows\System64\sysdisk.exe | N/A |
| N/A | N/A | C:\Windows\System64\sysdisk.exe | N/A |
| N/A | N/A | C:\Windows\System64\sysdisk.exe | N/A |
| N/A | N/A | C:\Windows\System64\sysdisk.exe | N/A |
| N/A | N/A | C:\Windows\System64\sysdisk.exe | N/A |
| N/A | N/A | C:\Windows\System64\sysdisk.exe | N/A |
| N/A | N/A | C:\Windows\System64\sysdisk.exe | N/A |
| N/A | N/A | C:\Windows\System64\sysdisk.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeShutdownPrivilege | N/A | C:\Windows\SysWOW64\powercfg.exe | N/A |
| Token: SeCreatePagefilePrivilege | N/A | C:\Windows\SysWOW64\powercfg.exe | N/A |
| Token: SeShutdownPrivilege | N/A | C:\Windows\SysWOW64\powercfg.exe | N/A |
| Token: SeCreatePagefilePrivilege | N/A | C:\Windows\SysWOW64\powercfg.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\System64\sysdisk.exe | N/A |
| Token: SeTakeOwnershipPrivilege | N/A | C:\Windows\System64\sysdisk.exe | N/A |
| Token: SeTcbPrivilege | N/A | C:\Windows\System64\sysdisk.exe | N/A |
| Token: SeTcbPrivilege | N/A | C:\Windows\System64\sysdisk.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\9138077c72187bf72604a20c261245b0fff8fb389277d2f82eacc59949ec8878.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\9138077c72187bf72604a20c261245b0fff8fb389277d2f82eacc59949ec8878.exe | N/A |
| N/A | N/A | C:\Windows\System64\sysdisk.exe | N/A |
| N/A | N/A | C:\Windows\System64\sysdisk.exe | N/A |
| N/A | N/A | C:\Windows\System64\sysdisk.exe | N/A |
| N/A | N/A | C:\Windows\System64\sysdisk.exe | N/A |
| N/A | N/A | C:\Windows\System64\sysdisk.exe | N/A |
| N/A | N/A | C:\Windows\System64\sysdisk.exe | N/A |
| N/A | N/A | C:\Windows\System64\sysdisk.exe | N/A |
| N/A | N/A | C:\Windows\System64\sysdisk.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\9138077c72187bf72604a20c261245b0fff8fb389277d2f82eacc59949ec8878.exe
"C:\Users\Admin\AppData\Local\Temp\9138077c72187bf72604a20c261245b0fff8fb389277d2f82eacc59949ec8878.exe"
C:\Windows\SysWOW64\netsh.exe
netsh firewall set opmode mode=disable
C:\Windows\SysWOW64\netsh.exe
netsh advfirewall set allprofiles state off
C:\Windows\SysWOW64\reg.exe
reg.exe ADD HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System /v EnableLUA /t REG_DWORD /d 0 /f
C:\Windows\SysWOW64\powercfg.exe
powercfg.exe -h off
C:\Windows\System64\sysdisk.exe
"C:\Windows\System64\sysdisk.exe"
C:\Windows\System64\sysdisk.exe
C:\Windows\System64\sysdisk.exe -second
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | black-rad.pro | udp |
| US | 8.8.8.8:53 | rms-server.tektonit.ru | udp |
| RU | 95.213.205.83:5655 | rms-server.tektonit.ru | tcp |
Files
memory/3564-118-0x0000000001430000-0x0000000001431000-memory.dmp
C:\Windows\System64\sysdisk.exe
| MD5 | 92aee365c9fab710fa68b362e5910264 |
| SHA1 | a145a246311bed3c4c5e14332618795a189e13a4 |
| SHA256 | 0d5373376ab09d8d286732008b15a5bdf34ec9fa7492504e2634bb2490760713 |
| SHA512 | 6c37048df8bb80cc04453859ef86cc89e866c21fc3f24930aa7dfe6114ffba6fd82204d15e69d30f2b8b326ea31737af17a2729f1272e515a05f9af6ea8e84e9 |
C:\Windows\System64\sysdisk.exe
| MD5 | 92aee365c9fab710fa68b362e5910264 |
| SHA1 | a145a246311bed3c4c5e14332618795a189e13a4 |
| SHA256 | 0d5373376ab09d8d286732008b15a5bdf34ec9fa7492504e2634bb2490760713 |
| SHA512 | 6c37048df8bb80cc04453859ef86cc89e866c21fc3f24930aa7dfe6114ffba6fd82204d15e69d30f2b8b326ea31737af17a2729f1272e515a05f9af6ea8e84e9 |
memory/3312-121-0x0000000002DE2000-0x0000000003030000-memory.dmp
memory/3312-122-0x0000000004660000-0x0000000004661000-memory.dmp
C:\Windows\System64\sysdisk.exe
| MD5 | 92aee365c9fab710fa68b362e5910264 |
| SHA1 | a145a246311bed3c4c5e14332618795a189e13a4 |
| SHA256 | 0d5373376ab09d8d286732008b15a5bdf34ec9fa7492504e2634bb2490760713 |
| SHA512 | 6c37048df8bb80cc04453859ef86cc89e866c21fc3f24930aa7dfe6114ffba6fd82204d15e69d30f2b8b326ea31737af17a2729f1272e515a05f9af6ea8e84e9 |
memory/2380-124-0x0000000001160000-0x0000000001161000-memory.dmp
C:\Windows\System64\vp8decoder.dll
| MD5 | d43fa82fab5337ce20ad14650085c5d9 |
| SHA1 | 678aa092075ff65b6815ffc2d8fdc23af8425981 |
| SHA256 | c022958429edd94bfe31f2eacfe24ff6b45d6f12747725c449a36116373de03b |
| SHA512 | 103e61a9f58df03316676a074487e50ec518479c11068df3736df139b85c7671048c65bce0ef2c55b3c50c61fde54e9e6c7d1b795aea71263ae94c91d4874e0d |
C:\Windows\System64\vp8encoder.dll
| MD5 | dab4646806dfca6d0e0b4d80fa9209d6 |
| SHA1 | 8244dfe22ec2090eee89dad103e6b2002059d16a |
| SHA256 | cb6ef96d3a66ef08ec2c8640b751a52d6d4f4530cf01162a69966f0fd5153587 |
| SHA512 | aa5eb93bf23a10de797d6fb52a55a95d36bc48927c76fedd81e0c48872745cb7f7d1b3f230eaae42fd4e79b6a59ca707e56bd6963b03644cbd5984f11e98d6e7 |
memory/2380-127-0x0000000003570000-0x0000000004730000-memory.dmp
memory/2380-128-0x0000000003570000-0x0000000004730000-memory.dmp
memory/2380-129-0x0000000003570000-0x0000000004730000-memory.dmp
memory/2380-130-0x0000000005C60000-0x0000000005D31000-memory.dmp
memory/2380-131-0x0000000005C60000-0x0000000005D31000-memory.dmp
memory/2380-132-0x0000000004930000-0x0000000004931000-memory.dmp
memory/2380-133-0x00000000050F0000-0x00000000050F1000-memory.dmp
memory/2380-134-0x0000000005240000-0x0000000005241000-memory.dmp
memory/2380-136-0x0000000005510000-0x0000000005511000-memory.dmp
memory/2380-135-0x0000000003570000-0x0000000004730000-memory.dmp
memory/2380-137-0x0000000005540000-0x0000000005541000-memory.dmp
memory/2380-138-0x00000000070A0000-0x00000000070A1000-memory.dmp