Analysis Overview
SHA256
6efee44acf580c370d19926398438acb40a8c63120bad4e2502d8a847e011239
Threat Level: Known bad
The file 1cf1c8a6b74890f6d1913bf3b9e46a79.exe was found to be: Known bad.
Malicious Activity Summary
DCRat payload
Dcrat family
Process spawned unexpected child process
DcRat
DCRat payload
Loads dropped DLL
Checks computer location settings
Executes dropped EXE
Drops file in Program Files directory
Drops file in Windows directory
Enumerates physical storage devices
Unsigned PE
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Modifies registry class
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-03-24 13:38
Signatures
DCRat payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Dcrat family
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-03-24 13:38
Reported
2024-03-24 13:40
Platform
win7-20240221-en
Max time kernel
118s
Max time network
118s
Command Line
Signatures
DcRat
Process spawned unexpected child process
| Description | Indicator | Process | Target |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe |
DCRat 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 |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\BlockSurrogateagentFont\hostnet.exe | N/A |
| N/A | N/A | C:\Users\Admin\cmd.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\cmd.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\cmd.exe | N/A |
Drops file in Program Files directory
| Description | Indicator | Process | Target |
| File created | C:\Program Files (x86)\Internet Explorer\886983d96e3d3e | C:\BlockSurrogateagentFont\hostnet.exe | N/A |
| File created | C:\Program Files (x86)\Windows Sidebar\ja-JP\wininit.exe | C:\BlockSurrogateagentFont\hostnet.exe | N/A |
| File created | C:\Program Files (x86)\Windows Sidebar\ja-JP\56085415360792 | C:\BlockSurrogateagentFont\hostnet.exe | N/A |
| File created | C:\Program Files (x86)\Windows Photo Viewer\es-ES\lsass.exe | C:\BlockSurrogateagentFont\hostnet.exe | N/A |
| File created | C:\Program Files (x86)\Windows Photo Viewer\es-ES\6203df4a6bafc7 | C:\BlockSurrogateagentFont\hostnet.exe | N/A |
| File created | C:\Program Files (x86)\Internet Explorer\csrss.exe | C:\BlockSurrogateagentFont\hostnet.exe | N/A |
Enumerates physical storage devices
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\BlockSurrogateagentFont\hostnet.exe | N/A |
| N/A | N/A | C:\BlockSurrogateagentFont\hostnet.exe | N/A |
| N/A | N/A | C:\BlockSurrogateagentFont\hostnet.exe | N/A |
| N/A | N/A | C:\BlockSurrogateagentFont\hostnet.exe | N/A |
| N/A | N/A | C:\BlockSurrogateagentFont\hostnet.exe | N/A |
| N/A | N/A | C:\BlockSurrogateagentFont\hostnet.exe | N/A |
| N/A | N/A | C:\BlockSurrogateagentFont\hostnet.exe | N/A |
| N/A | N/A | C:\BlockSurrogateagentFont\hostnet.exe | N/A |
| N/A | N/A | C:\BlockSurrogateagentFont\hostnet.exe | N/A |
| N/A | N/A | C:\BlockSurrogateagentFont\hostnet.exe | N/A |
| N/A | N/A | C:\BlockSurrogateagentFont\hostnet.exe | N/A |
| N/A | N/A | C:\Users\Admin\cmd.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\BlockSurrogateagentFont\hostnet.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\cmd.exe | N/A |
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Processes
C:\Users\Admin\AppData\Local\Temp\1cf1c8a6b74890f6d1913bf3b9e46a79.exe
"C:\Users\Admin\AppData\Local\Temp\1cf1c8a6b74890f6d1913bf3b9e46a79.exe"
C:\Windows\SysWOW64\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\BlockSurrogateagentFont\fQyg6J4g9nmbhwQ5lS61NpcW4.vbe"
C:\Windows\SysWOW64\cmd.exe
cmd /c ""C:\BlockSurrogateagentFont\xRLfwMVgfRAMuw596iKz87.bat" "
C:\BlockSurrogateagentFont\hostnet.exe
"C:\BlockSurrogateagentFont\hostnet.exe"
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "lsml" /sc MINUTE /mo 14 /tr "'C:\MSOCache\All Users\{90140000-001A-0409-0000-0000000FF1CE}-C\lsm.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "lsm" /sc ONLOGON /tr "'C:\MSOCache\All Users\{90140000-001A-0409-0000-0000000FF1CE}-C\lsm.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "lsml" /sc MINUTE /mo 6 /tr "'C:\MSOCache\All Users\{90140000-001A-0409-0000-0000000FF1CE}-C\lsm.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "lsassl" /sc MINUTE /mo 11 /tr "'C:\BlockSurrogateagentFont\lsass.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "lsass" /sc ONLOGON /tr "'C:\BlockSurrogateagentFont\lsass.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "lsassl" /sc MINUTE /mo 8 /tr "'C:\BlockSurrogateagentFont\lsass.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "csrssc" /sc MINUTE /mo 14 /tr "'C:\Users\Public\Desktop\csrss.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "csrss" /sc ONLOGON /tr "'C:\Users\Public\Desktop\csrss.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "csrssc" /sc MINUTE /mo 13 /tr "'C:\Users\Public\Desktop\csrss.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "wininitw" /sc MINUTE /mo 5 /tr "'C:\Program Files (x86)\Windows Sidebar\ja-JP\wininit.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "wininit" /sc ONLOGON /tr "'C:\Program Files (x86)\Windows Sidebar\ja-JP\wininit.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "wininitw" /sc MINUTE /mo 10 /tr "'C:\Program Files (x86)\Windows Sidebar\ja-JP\wininit.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "cmdc" /sc MINUTE /mo 8 /tr "'C:\Users\Admin\cmd.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "cmd" /sc ONLOGON /tr "'C:\Users\Admin\cmd.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "cmdc" /sc MINUTE /mo 7 /tr "'C:\Users\Admin\cmd.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "lsassl" /sc MINUTE /mo 7 /tr "'C:\Program Files (x86)\Windows Photo Viewer\es-ES\lsass.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "lsass" /sc ONLOGON /tr "'C:\Program Files (x86)\Windows Photo Viewer\es-ES\lsass.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "lsassl" /sc MINUTE /mo 6 /tr "'C:\Program Files (x86)\Windows Photo Viewer\es-ES\lsass.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "taskhostt" /sc MINUTE /mo 8 /tr "'C:\Users\Admin\PrintHood\taskhost.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "taskhost" /sc ONLOGON /tr "'C:\Users\Admin\PrintHood\taskhost.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "taskhostt" /sc MINUTE /mo 12 /tr "'C:\Users\Admin\PrintHood\taskhost.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "lsassl" /sc MINUTE /mo 12 /tr "'C:\BlockSurrogateagentFont\lsass.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "lsass" /sc ONLOGON /tr "'C:\BlockSurrogateagentFont\lsass.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "lsassl" /sc MINUTE /mo 9 /tr "'C:\BlockSurrogateagentFont\lsass.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "winlogonw" /sc MINUTE /mo 11 /tr "'C:\Recovery\77984722-d108-11ee-bdd4-c695cbc44580\winlogon.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "winlogon" /sc ONLOGON /tr "'C:\Recovery\77984722-d108-11ee-bdd4-c695cbc44580\winlogon.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "winlogonw" /sc MINUTE /mo 6 /tr "'C:\Recovery\77984722-d108-11ee-bdd4-c695cbc44580\winlogon.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "audiodga" /sc MINUTE /mo 11 /tr "'C:\Users\All Users\Mozilla-1de4eec8-1241-4177-a864-e594e8d1fb38\audiodg.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "audiodg" /sc ONLOGON /tr "'C:\Users\All Users\Mozilla-1de4eec8-1241-4177-a864-e594e8d1fb38\audiodg.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "audiodga" /sc MINUTE /mo 5 /tr "'C:\Users\All Users\Mozilla-1de4eec8-1241-4177-a864-e594e8d1fb38\audiodg.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "csrssc" /sc MINUTE /mo 11 /tr "'C:\Program Files (x86)\Internet Explorer\csrss.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "csrss" /sc ONLOGON /tr "'C:\Program Files (x86)\Internet Explorer\csrss.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "csrssc" /sc MINUTE /mo 9 /tr "'C:\Program Files (x86)\Internet Explorer\csrss.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "cmdc" /sc MINUTE /mo 12 /tr "'C:\BlockSurrogateagentFont\cmd.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "cmd" /sc ONLOGON /tr "'C:\BlockSurrogateagentFont\cmd.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "cmdc" /sc MINUTE /mo 13 /tr "'C:\BlockSurrogateagentFont\cmd.exe'" /rl HIGHEST /f
C:\Windows\System32\cmd.exe
"C:\Windows\System32\cmd.exe" /C "C:\Users\Admin\AppData\Local\Temp\FQxHpKLGFs.bat"
C:\Windows\system32\w32tm.exe
w32tm /stripchart /computer:localhost /period:5 /dataonly /samples:2
C:\Users\Admin\cmd.exe
"C:\Users\Admin\cmd.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | a0869574.xsph.ru | udp |
| RU | 141.8.197.42:80 | a0869574.xsph.ru | tcp |
| RU | 141.8.197.42:80 | a0869574.xsph.ru | tcp |
Files
C:\BlockSurrogateagentFont\fQyg6J4g9nmbhwQ5lS61NpcW4.vbe
| MD5 | 277c7ccc3313d83f51d594cba0ae300d |
| SHA1 | 48531a959a24846841b8fda471c5fea259f2ca38 |
| SHA256 | 175078a008fd8a809b77f11c51933d1a9e5181282523819875e7afea24c52b96 |
| SHA512 | 311e654150ad8bf4bf9b38a7b876f205cf5a450be4b6a9ced8a7e3e15ca1137a4f1dbfac0dce058031a616b4621ec592592db17e10f1753f739f710b1f54c5ac |
C:\BlockSurrogateagentFont\xRLfwMVgfRAMuw596iKz87.bat
| MD5 | 15611ce0ff6e3e772e3a8b7ac6cf4653 |
| SHA1 | 75bc873877b06c9413cc8d1908106ed143cd4bf0 |
| SHA256 | 630c1433757569b9e123313255a23d50e82a629396121ff21df67a56ebf92ae3 |
| SHA512 | 1151ee66357bdb4946f534cfe5a509497ccc57668fb874d17977740db6a6796fbdd6893e3196c3dab0be44f9f1b4f1c0f8870593a960a384f978bd5a1813fe71 |
\BlockSurrogateagentFont\hostnet.exe
| MD5 | 53827648303c620a8fa81a2998ae5ae5 |
| SHA1 | 8aa7c650f061e7d7f396718e6b4d8934392b60bb |
| SHA256 | b1f886a9cc761bbe9e6bb5287d414d3ba0e1402c6d1c055435985e3bcacbf652 |
| SHA512 | 273bb61dbde98abc172e9afe83f25e1d2b93d0dcb9a5dd8ebef03f70c677499c4d3c1788a9fa9e71131847ba1a2e6d4ffcdac20c3496b472377756f112d1550d |
memory/2668-13-0x00000000011F0000-0x0000000001372000-memory.dmp
memory/2668-14-0x000007FEF51D0000-0x000007FEF5BBC000-memory.dmp
memory/2668-15-0x000000001B070000-0x000000001B0F0000-memory.dmp
memory/2668-16-0x0000000000340000-0x000000000034E000-memory.dmp
memory/2668-17-0x00000000003D0000-0x00000000003EC000-memory.dmp
memory/2668-18-0x00000000004E0000-0x00000000004F6000-memory.dmp
memory/2668-19-0x0000000000500000-0x0000000000510000-memory.dmp
memory/2668-20-0x0000000000510000-0x0000000000522000-memory.dmp
memory/2668-21-0x0000000000520000-0x000000000052E000-memory.dmp
memory/2668-22-0x0000000000A90000-0x0000000000A9C000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\FQxHpKLGFs.bat
| MD5 | 9ad142580f53d79680d8876cbed7d591 |
| SHA1 | e104dd929652969b8e05b10481e1cf13e440674f |
| SHA256 | 409ef1c88662d66d6890335d9b0f8a15c25522a014578dc54546628b0dfcc886 |
| SHA512 | 1c1652b99bd2f18177512b1d982ac174afc08b39935b775e9836c7c20f5a61f3759533705d9d6043d66fafc542b26971befa90a3296369d1ec679c7d9184699f |
memory/2668-51-0x000007FEF51D0000-0x000007FEF5BBC000-memory.dmp
memory/848-55-0x00000000001E0000-0x0000000000362000-memory.dmp
memory/848-57-0x0000000000830000-0x00000000008B0000-memory.dmp
memory/848-56-0x000007FEF47E0000-0x000007FEF51CC000-memory.dmp
memory/848-58-0x000007FEF47E0000-0x000007FEF51CC000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-03-24 13:38
Reported
2024-03-24 13:40
Platform
win10v2004-20240226-en
Max time kernel
137s
Max time network
126s
Command Line
Signatures
DcRat
Process spawned unexpected child process
| Description | Indicator | Process | Target |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe |
DCRat payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-566096764-1992588923-1249862864-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\1cf1c8a6b74890f6d1913bf3b9e46a79.exe | N/A |
| Key value queried | \REGISTRY\USER\S-1-5-21-566096764-1992588923-1249862864-1000\Control Panel\International\Geo\Nation | C:\Windows\SysWOW64\WScript.exe | N/A |
| Key value queried | \REGISTRY\USER\S-1-5-21-566096764-1992588923-1249862864-1000\Control Panel\International\Geo\Nation | C:\BlockSurrogateagentFont\hostnet.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\BlockSurrogateagentFont\hostnet.exe | N/A |
| N/A | N/A | C:\Recovery\WindowsRE\WaaSMedicAgent.exe | N/A |
Drops file in Program Files directory
| Description | Indicator | Process | Target |
| File created | C:\Program Files\Java\jre-1.8\bin\plugin2\cc11b995f2a76d | C:\BlockSurrogateagentFont\hostnet.exe | N/A |
| File created | C:\Program Files (x86)\Common Files\System\en-US\backgroundTaskHost.exe | C:\BlockSurrogateagentFont\hostnet.exe | N/A |
| File created | C:\Program Files (x86)\Common Files\System\en-US\eddb19405b7ce1 | C:\BlockSurrogateagentFont\hostnet.exe | N/A |
| File created | C:\Program Files\Internet Explorer\en-US\unsecapp.exe | C:\BlockSurrogateagentFont\hostnet.exe | N/A |
| File opened for modification | C:\Program Files\Internet Explorer\en-US\unsecapp.exe | C:\BlockSurrogateagentFont\hostnet.exe | N/A |
| File created | C:\Program Files\Internet Explorer\en-US\29c1c3cc0f7685 | C:\BlockSurrogateagentFont\hostnet.exe | N/A |
| File created | C:\Program Files\Java\jre-1.8\bin\plugin2\winlogon.exe | C:\BlockSurrogateagentFont\hostnet.exe | N/A |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\CSC\StartMenuExperienceHost.exe | C:\BlockSurrogateagentFont\hostnet.exe | N/A |
| File created | C:\Windows\Cursors\SearchApp.exe | C:\BlockSurrogateagentFont\hostnet.exe | N/A |
| File created | C:\Windows\Cursors\38384e6a620884 | C:\BlockSurrogateagentFont\hostnet.exe | N/A |
Enumerates physical storage devices
Creates scheduled task(s)
Modifies registry class
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\USER\S-1-5-21-566096764-1992588923-1249862864-1000_Classes\Local Settings | C:\Users\Admin\AppData\Local\Temp\1cf1c8a6b74890f6d1913bf3b9e46a79.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-566096764-1992588923-1249862864-1000_Classes\Local Settings | C:\BlockSurrogateagentFont\hostnet.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\BlockSurrogateagentFont\hostnet.exe | N/A |
| N/A | N/A | C:\BlockSurrogateagentFont\hostnet.exe | N/A |
| N/A | N/A | C:\BlockSurrogateagentFont\hostnet.exe | N/A |
| N/A | N/A | C:\BlockSurrogateagentFont\hostnet.exe | N/A |
| N/A | N/A | C:\Recovery\WindowsRE\WaaSMedicAgent.exe | N/A |
| N/A | N/A | C:\Recovery\WindowsRE\WaaSMedicAgent.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\BlockSurrogateagentFont\hostnet.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Recovery\WindowsRE\WaaSMedicAgent.exe | N/A |
| Token: SeManageVolumePrivilege | N/A | C:\Windows\System32\svchost.exe | N/A |
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Processes
C:\Users\Admin\AppData\Local\Temp\1cf1c8a6b74890f6d1913bf3b9e46a79.exe
"C:\Users\Admin\AppData\Local\Temp\1cf1c8a6b74890f6d1913bf3b9e46a79.exe"
C:\Windows\SysWOW64\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\BlockSurrogateagentFont\fQyg6J4g9nmbhwQ5lS61NpcW4.vbe"
C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c ""C:\BlockSurrogateagentFont\xRLfwMVgfRAMuw596iKz87.bat" "
C:\BlockSurrogateagentFont\hostnet.exe
"C:\BlockSurrogateagentFont\hostnet.exe"
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "unsecappu" /sc MINUTE /mo 5 /tr "'C:\Program Files\Internet Explorer\en-US\unsecapp.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "unsecapp" /sc ONLOGON /tr "'C:\Program Files\Internet Explorer\en-US\unsecapp.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "unsecappu" /sc MINUTE /mo 5 /tr "'C:\Program Files\Internet Explorer\en-US\unsecapp.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "servicess" /sc MINUTE /mo 11 /tr "'C:\Recovery\WindowsRE\services.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "services" /sc ONLOGON /tr "'C:\Recovery\WindowsRE\services.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "servicess" /sc MINUTE /mo 12 /tr "'C:\Recovery\WindowsRE\services.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "winlogonw" /sc MINUTE /mo 10 /tr "'C:\Program Files\Java\jre-1.8\bin\plugin2\winlogon.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "winlogon" /sc ONLOGON /tr "'C:\Program Files\Java\jre-1.8\bin\plugin2\winlogon.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "winlogonw" /sc MINUTE /mo 14 /tr "'C:\Program Files\Java\jre-1.8\bin\plugin2\winlogon.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "SearchAppS" /sc MINUTE /mo 12 /tr "'C:\Windows\Cursors\SearchApp.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "SearchApp" /sc ONLOGON /tr "'C:\Windows\Cursors\SearchApp.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "SearchAppS" /sc MINUTE /mo 6 /tr "'C:\Windows\Cursors\SearchApp.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "OfficeClickToRunO" /sc MINUTE /mo 12 /tr "'C:\odt\OfficeClickToRun.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "OfficeClickToRun" /sc ONLOGON /tr "'C:\odt\OfficeClickToRun.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "OfficeClickToRunO" /sc MINUTE /mo 12 /tr "'C:\odt\OfficeClickToRun.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "TextInputHostT" /sc MINUTE /mo 10 /tr "'C:\Users\Default User\TextInputHost.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "TextInputHost" /sc ONLOGON /tr "'C:\Users\Default User\TextInputHost.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "TextInputHostT" /sc MINUTE /mo 8 /tr "'C:\Users\Default User\TextInputHost.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "backgroundTaskHostb" /sc MINUTE /mo 10 /tr "'C:\Program Files (x86)\Common Files\System\en-US\backgroundTaskHost.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "backgroundTaskHost" /sc ONLOGON /tr "'C:\Program Files (x86)\Common Files\System\en-US\backgroundTaskHost.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "backgroundTaskHostb" /sc MINUTE /mo 10 /tr "'C:\Program Files (x86)\Common Files\System\en-US\backgroundTaskHost.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "sihosts" /sc MINUTE /mo 8 /tr "'C:\Recovery\WindowsRE\sihost.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "sihost" /sc ONLOGON /tr "'C:\Recovery\WindowsRE\sihost.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "sihosts" /sc MINUTE /mo 13 /tr "'C:\Recovery\WindowsRE\sihost.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "RegistryR" /sc MINUTE /mo 13 /tr "'C:\odt\Registry.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "Registry" /sc ONLOGON /tr "'C:\odt\Registry.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "RegistryR" /sc MINUTE /mo 12 /tr "'C:\odt\Registry.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "WaaSMedicAgentW" /sc MINUTE /mo 7 /tr "'C:\Recovery\WindowsRE\WaaSMedicAgent.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "WaaSMedicAgent" /sc ONLOGON /tr "'C:\Recovery\WindowsRE\WaaSMedicAgent.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "WaaSMedicAgentW" /sc MINUTE /mo 5 /tr "'C:\Recovery\WindowsRE\WaaSMedicAgent.exe'" /rl HIGHEST /f
C:\Windows\System32\cmd.exe
"C:\Windows\System32\cmd.exe" /C "C:\Users\Admin\AppData\Local\Temp\pki5XcHhHF.bat"
C:\Windows\system32\w32tm.exe
w32tm /stripchart /computer:localhost /period:5 /dataonly /samples:2
C:\Recovery\WindowsRE\WaaSMedicAgent.exe
"C:\Recovery\WindowsRE\WaaSMedicAgent.exe"
C:\Windows\system32\rundll32.exe
"C:\Windows\system32\rundll32.exe" "C:\Windows\SYSTEM32\EDGEHTML.dll",#141 Microsoft.VCLibs.140.00_8wekyb3d8bbwe
C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k UnistackSvcGroup
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 204.79.197.200:443 | g.bing.com | tcp |
| US | 8.8.8.8:53 | 209.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 217.106.137.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 200.197.79.204.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.154.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 55.36.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 41.110.16.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 50.23.12.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.31.95.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 100.5.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 119.110.54.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 13.86.106.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 217.135.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 210.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 211.135.221.88.in-addr.arpa | udp |
| US | 20.231.121.79:80 | tcp | |
| US | 8.8.8.8:53 | a0869574.xsph.ru | udp |
| RU | 141.8.197.42:80 | a0869574.xsph.ru | tcp |
| RU | 141.8.197.42:80 | a0869574.xsph.ru | tcp |
| US | 8.8.8.8:53 | 42.197.8.141.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.134.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 178.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 42.134.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 0.205.248.87.in-addr.arpa | udp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 8.8.8.8:53 | 57.169.31.20.in-addr.arpa | udp |
Files
C:\BlockSurrogateagentFont\fQyg6J4g9nmbhwQ5lS61NpcW4.vbe
| MD5 | 277c7ccc3313d83f51d594cba0ae300d |
| SHA1 | 48531a959a24846841b8fda471c5fea259f2ca38 |
| SHA256 | 175078a008fd8a809b77f11c51933d1a9e5181282523819875e7afea24c52b96 |
| SHA512 | 311e654150ad8bf4bf9b38a7b876f205cf5a450be4b6a9ced8a7e3e15ca1137a4f1dbfac0dce058031a616b4621ec592592db17e10f1753f739f710b1f54c5ac |
C:\BlockSurrogateagentFont\xRLfwMVgfRAMuw596iKz87.bat
| MD5 | 15611ce0ff6e3e772e3a8b7ac6cf4653 |
| SHA1 | 75bc873877b06c9413cc8d1908106ed143cd4bf0 |
| SHA256 | 630c1433757569b9e123313255a23d50e82a629396121ff21df67a56ebf92ae3 |
| SHA512 | 1151ee66357bdb4946f534cfe5a509497ccc57668fb874d17977740db6a6796fbdd6893e3196c3dab0be44f9f1b4f1c0f8870593a960a384f978bd5a1813fe71 |
C:\BlockSurrogateagentFont\hostnet.exe
| MD5 | 53827648303c620a8fa81a2998ae5ae5 |
| SHA1 | 8aa7c650f061e7d7f396718e6b4d8934392b60bb |
| SHA256 | b1f886a9cc761bbe9e6bb5287d414d3ba0e1402c6d1c055435985e3bcacbf652 |
| SHA512 | 273bb61dbde98abc172e9afe83f25e1d2b93d0dcb9a5dd8ebef03f70c677499c4d3c1788a9fa9e71131847ba1a2e6d4ffcdac20c3496b472377756f112d1550d |
memory/3376-12-0x00000000005A0000-0x0000000000722000-memory.dmp
memory/3376-13-0x00007FFCBBB90000-0x00007FFCBC651000-memory.dmp
memory/3376-14-0x000000001B330000-0x000000001B340000-memory.dmp
memory/3376-15-0x00000000027F0000-0x00000000027FE000-memory.dmp
memory/3376-16-0x000000001B240000-0x000000001B25C000-memory.dmp
memory/3376-17-0x000000001B2B0000-0x000000001B300000-memory.dmp
memory/3376-18-0x000000001B260000-0x000000001B276000-memory.dmp
memory/3376-19-0x0000000002800000-0x0000000002810000-memory.dmp
memory/3376-20-0x000000001B280000-0x000000001B292000-memory.dmp
memory/3376-21-0x000000001C0B0000-0x000000001C5D8000-memory.dmp
memory/3376-22-0x000000001B300000-0x000000001B30E000-memory.dmp
memory/3376-23-0x000000001B310000-0x000000001B31C000-memory.dmp
memory/3376-49-0x00007FFCBBB90000-0x00007FFCBC651000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\pki5XcHhHF.bat
| MD5 | d9beaa7b00a98853c9096c9a81dd024c |
| SHA1 | 3137a1d447b5ca3b5b1ed5387eff84825742610d |
| SHA256 | b6f184ee1e95c1ffcf7b80b42a8b1e2db1f47272f6d8279777b4a41e7ca9e544 |
| SHA512 | 8ce8edf7bfc8e66ee9534e68d2ff540de092805bb59c615529e548e0aa84494c88b2a73677a3421d835e6856496991a6066e4082c71909739eef57a0b6638106 |
memory/6096-54-0x00007FFCBBB90000-0x00007FFCBC651000-memory.dmp
memory/6096-55-0x000000001B100000-0x000000001B110000-memory.dmp
memory/6096-57-0x00007FFCBBB90000-0x00007FFCBC651000-memory.dmp
memory/3944-58-0x0000014789840000-0x0000014789850000-memory.dmp
memory/3944-74-0x0000014789940000-0x0000014789950000-memory.dmp
memory/3944-90-0x0000014791C70000-0x0000014791C71000-memory.dmp
memory/3944-92-0x0000014791CA0000-0x0000014791CA1000-memory.dmp
memory/3944-93-0x0000014791CA0000-0x0000014791CA1000-memory.dmp
memory/3944-94-0x0000014791DB0000-0x0000014791DB1000-memory.dmp