Analysis Overview
SHA256
00126f1a772fd459793f811457950e42177537f6387a76124d26b57266a79f1c
Threat Level: Known bad
The file 1b8dc013de93bb0edf121b38e7f8ab6f.exe was found to be: Known bad.
Malicious Activity Summary
Process spawned unexpected child process
DCRat payload
DcRat
Dcrat family
DCRat payload
Checks computer location settings
Executes dropped EXE
Drops file in Windows directory
Drops file in Program Files directory
Unsigned PE
Enumerates physical storage devices
Uses Task Scheduler COM API
Suspicious use of AdjustPrivilegeToken
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Creates scheduled task(s)
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-05-15 08:56
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
2024-05-15 08:56
Reported
2024-05-15 08:58
Platform
win7-20240508-en
Max time kernel
120s
Max time network
120s
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 | |
| 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 |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Program Files\Windows NT\Accessories\de-DE\spoolsv.exe | N/A |
Drops file in Program Files directory
| Description | Indicator | Process | Target |
| File created | C:\Program Files (x86)\Windows NT\Accessories\en-US\b75386f1303e64 | C:\Users\Admin\AppData\Local\Temp\1b8dc013de93bb0edf121b38e7f8ab6f.exe | N/A |
| File created | C:\Program Files (x86)\Microsoft SQL Server Compact Edition\v3.5\Desktop\c5b4cb5e9653cc | C:\Users\Admin\AppData\Local\Temp\1b8dc013de93bb0edf121b38e7f8ab6f.exe | N/A |
| File created | C:\Program Files\Microsoft Office\f3b6ecef712a24 | C:\Users\Admin\AppData\Local\Temp\1b8dc013de93bb0edf121b38e7f8ab6f.exe | N/A |
| File created | C:\Program Files (x86)\Microsoft SQL Server Compact Edition\v3.5\Desktop\services.exe | C:\Users\Admin\AppData\Local\Temp\1b8dc013de93bb0edf121b38e7f8ab6f.exe | N/A |
| File created | C:\Program Files (x86)\Windows Media Player\Media Renderer\csrss.exe | C:\Users\Admin\AppData\Local\Temp\1b8dc013de93bb0edf121b38e7f8ab6f.exe | N/A |
| File created | C:\Program Files (x86)\Windows Media Player\Media Renderer\886983d96e3d3e | C:\Users\Admin\AppData\Local\Temp\1b8dc013de93bb0edf121b38e7f8ab6f.exe | N/A |
| File created | C:\Program Files\Windows NT\Accessories\de-DE\spoolsv.exe | C:\Users\Admin\AppData\Local\Temp\1b8dc013de93bb0edf121b38e7f8ab6f.exe | N/A |
| File created | C:\Program Files\Windows NT\Accessories\de-DE\f3b6ecef712a24 | C:\Users\Admin\AppData\Local\Temp\1b8dc013de93bb0edf121b38e7f8ab6f.exe | N/A |
| File created | C:\Program Files (x86)\Windows NT\Accessories\en-US\taskhost.exe | C:\Users\Admin\AppData\Local\Temp\1b8dc013de93bb0edf121b38e7f8ab6f.exe | N/A |
| File created | C:\Program Files\Microsoft Office\spoolsv.exe | C:\Users\Admin\AppData\Local\Temp\1b8dc013de93bb0edf121b38e7f8ab6f.exe | N/A |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\diagnostics\scheduled\Maintenance\es-ES\explorer.exe | C:\Users\Admin\AppData\Local\Temp\1b8dc013de93bb0edf121b38e7f8ab6f.exe | N/A |
| File created | C:\Windows\Speech\Engines\services.exe | C:\Users\Admin\AppData\Local\Temp\1b8dc013de93bb0edf121b38e7f8ab6f.exe | N/A |
| File created | C:\Windows\Speech\Engines\c5b4cb5e9653cc | C:\Users\Admin\AppData\Local\Temp\1b8dc013de93bb0edf121b38e7f8ab6f.exe | N/A |
Enumerates physical storage devices
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\1b8dc013de93bb0edf121b38e7f8ab6f.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Program Files\Windows NT\Accessories\de-DE\spoolsv.exe | N/A |
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Processes
C:\Users\Admin\AppData\Local\Temp\1b8dc013de93bb0edf121b38e7f8ab6f.exe
"C:\Users\Admin\AppData\Local\Temp\1b8dc013de93bb0edf121b38e7f8ab6f.exe"
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "IdleI" /sc MINUTE /mo 8 /tr "'C:\Recovery\96702242-0d98-11ef-bfa8-5aba25856535\Idle.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "Idle" /sc ONLOGON /tr "'C:\Recovery\96702242-0d98-11ef-bfa8-5aba25856535\Idle.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "IdleI" /sc MINUTE /mo 13 /tr "'C:\Recovery\96702242-0d98-11ef-bfa8-5aba25856535\Idle.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "spoolsvs" /sc MINUTE /mo 7 /tr "'C:\Program Files\Microsoft Office\spoolsv.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "spoolsv" /sc ONLOGON /tr "'C:\Program Files\Microsoft Office\spoolsv.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "spoolsvs" /sc MINUTE /mo 11 /tr "'C:\Program Files\Microsoft Office\spoolsv.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "wininitw" /sc MINUTE /mo 11 /tr "'C:\MSOCache\All Users\{90140000-002C-0409-0000-0000000FF1CE}-C\wininit.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "wininit" /sc ONLOGON /tr "'C:\MSOCache\All Users\{90140000-002C-0409-0000-0000000FF1CE}-C\wininit.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "wininitw" /sc MINUTE /mo 9 /tr "'C:\MSOCache\All Users\{90140000-002C-0409-0000-0000000FF1CE}-C\wininit.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "servicess" /sc MINUTE /mo 14 /tr "'C:\Program Files (x86)\Microsoft SQL Server Compact Edition\v3.5\Desktop\services.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "services" /sc ONLOGON /tr "'C:\Program Files (x86)\Microsoft SQL Server Compact Edition\v3.5\Desktop\services.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "servicess" /sc MINUTE /mo 9 /tr "'C:\Program Files (x86)\Microsoft SQL Server Compact Edition\v3.5\Desktop\services.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "winlogonw" /sc MINUTE /mo 11 /tr "'C:\Users\Default\Desktop\winlogon.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "winlogon" /sc ONLOGON /tr "'C:\Users\Default\Desktop\winlogon.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "winlogonw" /sc MINUTE /mo 11 /tr "'C:\Users\Default\Desktop\winlogon.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "taskhostt" /sc MINUTE /mo 5 /tr "'C:\Users\All Users\taskhost.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "taskhost" /sc ONLOGON /tr "'C:\Users\All Users\taskhost.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "taskhostt" /sc MINUTE /mo 10 /tr "'C:\Users\All Users\taskhost.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "audiodga" /sc MINUTE /mo 11 /tr "'C:\Recovery\96702242-0d98-11ef-bfa8-5aba25856535\audiodg.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "audiodg" /sc ONLOGON /tr "'C:\Recovery\96702242-0d98-11ef-bfa8-5aba25856535\audiodg.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "audiodga" /sc MINUTE /mo 14 /tr "'C:\Recovery\96702242-0d98-11ef-bfa8-5aba25856535\audiodg.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "csrssc" /sc MINUTE /mo 6 /tr "'C:\Program Files (x86)\Windows Media Player\Media Renderer\csrss.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "csrss" /sc ONLOGON /tr "'C:\Program Files (x86)\Windows Media Player\Media Renderer\csrss.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "csrssc" /sc MINUTE /mo 8 /tr "'C:\Program Files (x86)\Windows Media Player\Media Renderer\csrss.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "lsassl" /sc MINUTE /mo 11 /tr "'C:\MSOCache\All Users\{90140000-001B-0409-0000-0000000FF1CE}-C\lsass.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "lsass" /sc ONLOGON /tr "'C:\MSOCache\All Users\{90140000-001B-0409-0000-0000000FF1CE}-C\lsass.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "lsassl" /sc MINUTE /mo 5 /tr "'C:\MSOCache\All Users\{90140000-001B-0409-0000-0000000FF1CE}-C\lsass.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "dllhostd" /sc MINUTE /mo 11 /tr "'C:\Recovery\96702242-0d98-11ef-bfa8-5aba25856535\dllhost.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "dllhost" /sc ONLOGON /tr "'C:\Recovery\96702242-0d98-11ef-bfa8-5aba25856535\dllhost.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "dllhostd" /sc MINUTE /mo 8 /tr "'C:\Recovery\96702242-0d98-11ef-bfa8-5aba25856535\dllhost.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "csrssc" /sc MINUTE /mo 14 /tr "'C:\Recovery\96702242-0d98-11ef-bfa8-5aba25856535\csrss.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "csrss" /sc ONLOGON /tr "'C:\Recovery\96702242-0d98-11ef-bfa8-5aba25856535\csrss.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "csrssc" /sc MINUTE /mo 11 /tr "'C:\Recovery\96702242-0d98-11ef-bfa8-5aba25856535\csrss.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "servicess" /sc MINUTE /mo 5 /tr "'C:\Windows\Speech\Engines\services.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "services" /sc ONLOGON /tr "'C:\Windows\Speech\Engines\services.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "servicess" /sc MINUTE /mo 7 /tr "'C:\Windows\Speech\Engines\services.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "spoolsvs" /sc MINUTE /mo 10 /tr "'C:\MSOCache\All Users\{90140000-00BA-0409-0000-0000000FF1CE}-C\spoolsv.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "spoolsv" /sc ONLOGON /tr "'C:\MSOCache\All Users\{90140000-00BA-0409-0000-0000000FF1CE}-C\spoolsv.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "spoolsvs" /sc MINUTE /mo 13 /tr "'C:\MSOCache\All Users\{90140000-00BA-0409-0000-0000000FF1CE}-C\spoolsv.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "spoolsvs" /sc MINUTE /mo 6 /tr "'C:\Program Files\Windows NT\Accessories\de-DE\spoolsv.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "spoolsv" /sc ONLOGON /tr "'C:\Program Files\Windows NT\Accessories\de-DE\spoolsv.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "spoolsvs" /sc MINUTE /mo 9 /tr "'C:\Program Files\Windows NT\Accessories\de-DE\spoolsv.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "taskhostt" /sc MINUTE /mo 12 /tr "'C:\Program Files (x86)\Windows NT\Accessories\en-US\taskhost.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "taskhost" /sc ONLOGON /tr "'C:\Program Files (x86)\Windows NT\Accessories\en-US\taskhost.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "taskhostt" /sc MINUTE /mo 13 /tr "'C:\Program Files (x86)\Windows NT\Accessories\en-US\taskhost.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "lsml" /sc MINUTE /mo 10 /tr "'C:\Recovery\96702242-0d98-11ef-bfa8-5aba25856535\lsm.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "lsm" /sc ONLOGON /tr "'C:\Recovery\96702242-0d98-11ef-bfa8-5aba25856535\lsm.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "lsml" /sc MINUTE /mo 7 /tr "'C:\Recovery\96702242-0d98-11ef-bfa8-5aba25856535\lsm.exe'" /rl HIGHEST /f
C:\Windows\System32\cmd.exe
"C:\Windows\System32\cmd.exe" /C "C:\Users\Admin\AppData\Local\Temp\6CR6b2Sok7.bat"
C:\Windows\system32\w32tm.exe
w32tm /stripchart /computer:localhost /period:5 /dataonly /samples:2
C:\Program Files\Windows NT\Accessories\de-DE\spoolsv.exe
"C:\Program Files\Windows NT\Accessories\de-DE\spoolsv.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | preachy-multiplex.000webhostapp.com | udp |
| US | 145.14.145.27:80 | preachy-multiplex.000webhostapp.com | tcp |
Files
memory/2208-0-0x000007FEF5FC3000-0x000007FEF5FC4000-memory.dmp
memory/2208-1-0x0000000001280000-0x0000000001356000-memory.dmp
memory/2208-2-0x000007FEF5FC0000-0x000007FEF69AC000-memory.dmp
C:\Users\Default\Desktop\winlogon.exe
| MD5 | 1b8dc013de93bb0edf121b38e7f8ab6f |
| SHA1 | 2c17ada00c2b779f5e04a801265f151591e11e18 |
| SHA256 | 00126f1a772fd459793f811457950e42177537f6387a76124d26b57266a79f1c |
| SHA512 | 4b23622774ea394608ade50bac520aebd64788d626e9fc316e57db8f4a4628cec221420955adae70d7ddcd7c273f6cac409d64f931e01e1a490b275788370d33 |
C:\Users\Admin\AppData\Local\Temp\6CR6b2Sok7.bat
| MD5 | d0d68908003660da8aa291a38e660e2a |
| SHA1 | d587d13feb5c71fe062411e59e2ecef5f9c15122 |
| SHA256 | 7023e41ee7fa0ddf6816971c26fb369626a93c482e32444963901f38d6648ac3 |
| SHA512 | ffefa157e441106cc232b3adf55c543f695a5f161a0c1c1d4083b53dec40554789edf82b126226a1c8b7689d2bcef30bf7c63ccb3d08ad131cdaf54876f0ab7b |
memory/2208-40-0x000007FEF5FC0000-0x000007FEF69AC000-memory.dmp
memory/1992-43-0x00000000013D0000-0x00000000014A6000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-05-15 08:56
Reported
2024-05-15 08:58
Platform
win10v2004-20240426-en
Max time kernel
136s
Max time network
106s
Command Line
Signatures
DcRat
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-1-5-21-1162180587-977231257-2194346871-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\1b8dc013de93bb0edf121b38e7f8ab6f.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Program Files (x86)\Windows Defender\backgroundTaskHost.exe | N/A |
Drops file in Program Files directory
| Description | Indicator | Process | Target |
| File created | C:\Program Files\Windows Media Player\it-IT\RuntimeBroker.exe | C:\Users\Admin\AppData\Local\Temp\1b8dc013de93bb0edf121b38e7f8ab6f.exe | N/A |
| File created | C:\Program Files (x86)\Windows Media Player\fr-FR\Idle.exe | C:\Users\Admin\AppData\Local\Temp\1b8dc013de93bb0edf121b38e7f8ab6f.exe | N/A |
| File created | C:\Program Files (x86)\Windows Photo Viewer\dwm.exe | C:\Users\Admin\AppData\Local\Temp\1b8dc013de93bb0edf121b38e7f8ab6f.exe | N/A |
| File created | C:\Program Files (x86)\Windows Media Player\Skins\ea9f0e6c9e2dcd | C:\Users\Admin\AppData\Local\Temp\1b8dc013de93bb0edf121b38e7f8ab6f.exe | N/A |
| File created | C:\Program Files (x86)\Windows Defender\backgroundTaskHost.exe | C:\Users\Admin\AppData\Local\Temp\1b8dc013de93bb0edf121b38e7f8ab6f.exe | N/A |
| File created | C:\Program Files\ModifiableWindowsApps\dllhost.exe | C:\Users\Admin\AppData\Local\Temp\1b8dc013de93bb0edf121b38e7f8ab6f.exe | N/A |
| File created | C:\Program Files (x86)\Windows Media Player\uk-UA\5aa7343aadc6e6 | C:\Users\Admin\AppData\Local\Temp\1b8dc013de93bb0edf121b38e7f8ab6f.exe | N/A |
| File created | C:\Program Files (x86)\Windows Media Player\fr-FR\6ccacd8608530f | C:\Users\Admin\AppData\Local\Temp\1b8dc013de93bb0edf121b38e7f8ab6f.exe | N/A |
| File created | C:\Program Files (x86)\Windows Photo Viewer\6cb0b6c459d5d3 | C:\Users\Admin\AppData\Local\Temp\1b8dc013de93bb0edf121b38e7f8ab6f.exe | N/A |
| File created | C:\Program Files (x86)\Windows Media Player\uk-UA\1b8dc013de93bb0edf121b38e7f8ab6f.exe | C:\Users\Admin\AppData\Local\Temp\1b8dc013de93bb0edf121b38e7f8ab6f.exe | N/A |
| File created | C:\Program Files (x86)\Windows Defender\eddb19405b7ce1 | C:\Users\Admin\AppData\Local\Temp\1b8dc013de93bb0edf121b38e7f8ab6f.exe | N/A |
| File created | C:\Program Files (x86)\Windows Media Player\Skins\taskhostw.exe | C:\Users\Admin\AppData\Local\Temp\1b8dc013de93bb0edf121b38e7f8ab6f.exe | N/A |
| File created | C:\Program Files\Windows Media Player\it-IT\9e8d7a4ca61bd9 | C:\Users\Admin\AppData\Local\Temp\1b8dc013de93bb0edf121b38e7f8ab6f.exe | N/A |
Drops file in Windows directory
Enumerates physical storage devices
Creates scheduled task(s)
Modifies registry class
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\USER\S-1-5-21-1162180587-977231257-2194346871-1000_Classes\Local Settings | C:\Users\Admin\AppData\Local\Temp\1b8dc013de93bb0edf121b38e7f8ab6f.exe | N/A |
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\1b8dc013de93bb0edf121b38e7f8ab6f.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Program Files (x86)\Windows Defender\backgroundTaskHost.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 4524 wrote to memory of 1796 | N/A | C:\Users\Admin\AppData\Local\Temp\1b8dc013de93bb0edf121b38e7f8ab6f.exe | C:\Windows\System32\cmd.exe |
| PID 4524 wrote to memory of 1796 | N/A | C:\Users\Admin\AppData\Local\Temp\1b8dc013de93bb0edf121b38e7f8ab6f.exe | C:\Windows\System32\cmd.exe |
| PID 1796 wrote to memory of 1824 | N/A | C:\Windows\System32\cmd.exe | C:\Windows\system32\w32tm.exe |
| PID 1796 wrote to memory of 1824 | N/A | C:\Windows\System32\cmd.exe | C:\Windows\system32\w32tm.exe |
| PID 1796 wrote to memory of 1420 | N/A | C:\Windows\System32\cmd.exe | C:\Program Files (x86)\Windows Defender\backgroundTaskHost.exe |
| PID 1796 wrote to memory of 1420 | N/A | C:\Windows\System32\cmd.exe | C:\Program Files (x86)\Windows Defender\backgroundTaskHost.exe |
Uses Task Scheduler COM API
Processes
C:\Users\Admin\AppData\Local\Temp\1b8dc013de93bb0edf121b38e7f8ab6f.exe
"C:\Users\Admin\AppData\Local\Temp\1b8dc013de93bb0edf121b38e7f8ab6f.exe"
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "RuntimeBrokerR" /sc MINUTE /mo 9 /tr "'C:\Windows\SchCache\RuntimeBroker.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "RuntimeBroker" /sc ONLOGON /tr "'C:\Windows\SchCache\RuntimeBroker.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "RuntimeBrokerR" /sc MINUTE /mo 14 /tr "'C:\Windows\SchCache\RuntimeBroker.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "dwmd" /sc MINUTE /mo 5 /tr "'C:\Windows\Media\dwm.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "dwm" /sc ONLOGON /tr "'C:\Windows\Media\dwm.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "dwmd" /sc MINUTE /mo 13 /tr "'C:\Windows\Media\dwm.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "backgroundTaskHostb" /sc MINUTE /mo 6 /tr "'C:\Users\Default\Favorites\backgroundTaskHost.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "backgroundTaskHost" /sc ONLOGON /tr "'C:\Users\Default\Favorites\backgroundTaskHost.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "backgroundTaskHostb" /sc MINUTE /mo 7 /tr "'C:\Users\Default\Favorites\backgroundTaskHost.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "RuntimeBrokerR" /sc MINUTE /mo 10 /tr "'C:\Recovery\WindowsRE\RuntimeBroker.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "RuntimeBroker" /sc ONLOGON /tr "'C:\Recovery\WindowsRE\RuntimeBroker.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "RuntimeBrokerR" /sc MINUTE /mo 6 /tr "'C:\Recovery\WindowsRE\RuntimeBroker.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "fontdrvhostf" /sc MINUTE /mo 11 /tr "'C:\Recovery\WindowsRE\fontdrvhost.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "fontdrvhost" /sc ONLOGON /tr "'C:\Recovery\WindowsRE\fontdrvhost.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "fontdrvhostf" /sc MINUTE /mo 8 /tr "'C:\Recovery\WindowsRE\fontdrvhost.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "csrssc" /sc MINUTE /mo 13 /tr "'C:\Recovery\WindowsRE\csrss.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "csrss" /sc ONLOGON /tr "'C:\Recovery\WindowsRE\csrss.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "csrssc" /sc MINUTE /mo 5 /tr "'C:\Recovery\WindowsRE\csrss.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "MusNotificationM" /sc MINUTE /mo 6 /tr "'C:\Users\Default User\MusNotification.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "MusNotification" /sc ONLOGON /tr "'C:\Users\Default User\MusNotification.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "MusNotificationM" /sc MINUTE /mo 13 /tr "'C:\Users\Default User\MusNotification.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "1b8dc013de93bb0edf121b38e7f8ab6f1" /sc MINUTE /mo 6 /tr "'C:\Program Files (x86)\Windows Media Player\uk-UA\1b8dc013de93bb0edf121b38e7f8ab6f.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "1b8dc013de93bb0edf121b38e7f8ab6f" /sc ONLOGON /tr "'C:\Program Files (x86)\Windows Media Player\uk-UA\1b8dc013de93bb0edf121b38e7f8ab6f.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "1b8dc013de93bb0edf121b38e7f8ab6f1" /sc MINUTE /mo 7 /tr "'C:\Program Files (x86)\Windows Media Player\uk-UA\1b8dc013de93bb0edf121b38e7f8ab6f.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "RuntimeBrokerR" /sc MINUTE /mo 6 /tr "'C:\Program Files\Windows Media Player\it-IT\RuntimeBroker.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "RuntimeBroker" /sc ONLOGON /tr "'C:\Program Files\Windows Media Player\it-IT\RuntimeBroker.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "RuntimeBrokerR" /sc MINUTE /mo 6 /tr "'C:\Program Files\Windows Media Player\it-IT\RuntimeBroker.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "csrssc" /sc MINUTE /mo 12 /tr "'C:\Windows\CbsTemp\csrss.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "csrss" /sc ONLOGON /tr "'C:\Windows\CbsTemp\csrss.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "csrssc" /sc MINUTE /mo 13 /tr "'C:\Windows\CbsTemp\csrss.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "IdleI" /sc MINUTE /mo 7 /tr "'C:\Program Files (x86)\Windows Media Player\fr-FR\Idle.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "Idle" /sc ONLOGON /tr "'C:\Program Files (x86)\Windows Media Player\fr-FR\Idle.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "IdleI" /sc MINUTE /mo 9 /tr "'C:\Program Files (x86)\Windows Media Player\fr-FR\Idle.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "dwmd" /sc MINUTE /mo 11 /tr "'C:\Program Files (x86)\Windows Photo Viewer\dwm.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "dwm" /sc ONLOGON /tr "'C:\Program Files (x86)\Windows Photo Viewer\dwm.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "dwmd" /sc MINUTE /mo 13 /tr "'C:\Program Files (x86)\Windows Photo Viewer\dwm.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "taskhostwt" /sc MINUTE /mo 14 /tr "'C:\Program Files (x86)\Windows Media Player\Skins\taskhostw.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "taskhostw" /sc ONLOGON /tr "'C:\Program Files (x86)\Windows Media Player\Skins\taskhostw.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "taskhostwt" /sc MINUTE /mo 9 /tr "'C:\Program Files (x86)\Windows Media Player\Skins\taskhostw.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "IdleI" /sc MINUTE /mo 12 /tr "'C:\Users\All Users\WindowsHolographicDevices\Idle.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "Idle" /sc ONLOGON /tr "'C:\Users\All Users\WindowsHolographicDevices\Idle.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "IdleI" /sc MINUTE /mo 5 /tr "'C:\Users\All Users\WindowsHolographicDevices\Idle.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "backgroundTaskHostb" /sc MINUTE /mo 14 /tr "'C:\Program Files (x86)\Windows Defender\backgroundTaskHost.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "backgroundTaskHost" /sc ONLOGON /tr "'C:\Program Files (x86)\Windows Defender\backgroundTaskHost.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "backgroundTaskHostb" /sc MINUTE /mo 5 /tr "'C:\Program Files (x86)\Windows Defender\backgroundTaskHost.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "unsecappu" /sc MINUTE /mo 7 /tr "'C:\Windows\TAPI\unsecapp.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "unsecapp" /sc ONLOGON /tr "'C:\Windows\TAPI\unsecapp.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "unsecappu" /sc MINUTE /mo 12 /tr "'C:\Windows\TAPI\unsecapp.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "sppsvcs" /sc MINUTE /mo 11 /tr "'C:\Windows\SoftwareDistribution\DataStore\sppsvc.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "sppsvc" /sc ONLOGON /tr "'C:\Windows\SoftwareDistribution\DataStore\sppsvc.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "sppsvcs" /sc MINUTE /mo 11 /tr "'C:\Windows\SoftwareDistribution\DataStore\sppsvc.exe'" /rl HIGHEST /f
C:\Windows\System32\cmd.exe
"C:\Windows\System32\cmd.exe" /C "C:\Users\Admin\AppData\Local\Temp\G7KEsLrQzU.bat"
C:\Windows\system32\w32tm.exe
w32tm /stripchart /computer:localhost /period:5 /dataonly /samples:2
C:\Program Files (x86)\Windows Defender\backgroundTaskHost.exe
"C:\Program Files (x86)\Windows Defender\backgroundTaskHost.exe"
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 | 241.150.49.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 79.190.18.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 204.79.197.237:443 | g.bing.com | tcp |
| BE | 2.17.196.104:443 | www.bing.com | tcp |
| US | 8.8.8.8:53 | 237.197.79.204.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 133.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 104.196.17.2.in-addr.arpa | udp |
| BE | 2.17.196.104:443 | www.bing.com | tcp |
| US | 8.8.8.8:53 | 88.156.103.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | preachy-multiplex.000webhostapp.com | udp |
| US | 145.14.144.70:80 | preachy-multiplex.000webhostapp.com | tcp |
| US | 8.8.8.8:53 | 70.144.14.145.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 28.118.140.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 97.17.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 86.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 15.164.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.221.184.93.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 |
Files
memory/4524-1-0x00007FFB72AD3000-0x00007FFB72AD5000-memory.dmp
memory/4524-0-0x0000000000610000-0x00000000006E6000-memory.dmp
memory/4524-2-0x00007FFB72AD0000-0x00007FFB73591000-memory.dmp
memory/4524-43-0x00007FFB72AD0000-0x00007FFB73591000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\G7KEsLrQzU.bat
| MD5 | 6c7391d0742c725876fed8ce72ffc3a5 |
| SHA1 | 92081f10425bc41bd3d1936792fc347150a89263 |
| SHA256 | b10a4f6e7cf520d57872d7ee7a71b04060dd2961d36eae57ed3af13163ecf1d4 |
| SHA512 | 041ce25604e311c1e7cd3dfad7d3856ad9881ce1c22fca1289e78c94815f081dd26ee417cdb61fe6a1fdac24d35573586c590c7c917cb3734ee0699296a76ebf |
C:\Recovery\WindowsRE\fontdrvhost.exe
| MD5 | 1b8dc013de93bb0edf121b38e7f8ab6f |
| SHA1 | 2c17ada00c2b779f5e04a801265f151591e11e18 |
| SHA256 | 00126f1a772fd459793f811457950e42177537f6387a76124d26b57266a79f1c |
| SHA512 | 4b23622774ea394608ade50bac520aebd64788d626e9fc316e57db8f4a4628cec221420955adae70d7ddcd7c273f6cac409d64f931e01e1a490b275788370d33 |