Analysis Overview
SHA256
a083297276d53c1ea773b6a44715daa36259a8a9efcbc9c18818903c25663847
Threat Level: Known bad
The file a083297276d53c1ea773b6a44715daa36259a8a9efcbc9c18818903c25663847_NeikiAnalytics was found to be: Known bad.
Malicious Activity Summary
Dcrat family
Process spawned unexpected child process
DCRat payload
DcRat
DCRat payload
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Looks up external IP address via web service
Drops file in Windows directory
Drops file in Program Files directory
Enumerates physical storage devices
Unsigned PE
Creates scheduled task(s)
Modifies registry class
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
Uses Task Scheduler COM API
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-06-03 10:43
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
2024-06-03 10:43
Reported
2024-06-03 10:46
Platform
win7-20231129-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:\Users\Admin\AppData\Local\Temp\blockBroker\refCrt.exe | N/A |
| N/A | N/A | C:\MSOCache\All Users\{90140000-0044-0409-0000-0000000FF1CE}-C\explorer.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 |
Looks up external IP address via web service
| Description | Indicator | Process | Target |
| N/A | ip-api.com | N/A | N/A |
Drops file in Program Files directory
| Description | Indicator | Process | Target |
| File created | C:\Program Files\Internet Explorer\fr-FR\f3b6ecef712a24 | C:\Users\Admin\AppData\Local\Temp\blockBroker\refCrt.exe | N/A |
| File created | C:\Program Files (x86)\Common Files\System.exe | C:\Users\Admin\AppData\Local\Temp\blockBroker\refCrt.exe | N/A |
| File created | C:\Program Files (x86)\Common Files\27d1bcfc3c54e0 | C:\Users\Admin\AppData\Local\Temp\blockBroker\refCrt.exe | N/A |
| File created | C:\Program Files\Internet Explorer\fr-FR\csrss.exe | C:\Users\Admin\AppData\Local\Temp\blockBroker\refCrt.exe | N/A |
| File created | C:\Program Files\Internet Explorer\fr-FR\886983d96e3d3e | C:\Users\Admin\AppData\Local\Temp\blockBroker\refCrt.exe | N/A |
| File created | C:\Program Files\Internet Explorer\fr-FR\spoolsv.exe | C:\Users\Admin\AppData\Local\Temp\blockBroker\refCrt.exe | N/A |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\ja-JP\refCrt.exe | C:\Users\Admin\AppData\Local\Temp\blockBroker\refCrt.exe | N/A |
| File created | C:\Windows\ja-JP\10df649f47da76 | C:\Users\Admin\AppData\Local\Temp\blockBroker\refCrt.exe | N/A |
Enumerates physical storage devices
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\blockBroker\refCrt.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\blockBroker\refCrt.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\blockBroker\refCrt.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\blockBroker\refCrt.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\blockBroker\refCrt.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\blockBroker\refCrt.exe | N/A |
| N/A | N/A | C:\MSOCache\All Users\{90140000-0044-0409-0000-0000000FF1CE}-C\explorer.exe | N/A |
| N/A | N/A | C:\MSOCache\All Users\{90140000-0044-0409-0000-0000000FF1CE}-C\explorer.exe | N/A |
| N/A | N/A | C:\MSOCache\All Users\{90140000-0044-0409-0000-0000000FF1CE}-C\explorer.exe | N/A |
| N/A | N/A | C:\MSOCache\All Users\{90140000-0044-0409-0000-0000000FF1CE}-C\explorer.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\blockBroker\refCrt.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\MSOCache\All Users\{90140000-0044-0409-0000-0000000FF1CE}-C\explorer.exe | N/A |
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Processes
C:\Users\Admin\AppData\Local\Temp\a083297276d53c1ea773b6a44715daa36259a8a9efcbc9c18818903c25663847_NeikiAnalytics.exe
"C:\Users\Admin\AppData\Local\Temp\a083297276d53c1ea773b6a44715daa36259a8a9efcbc9c18818903c25663847_NeikiAnalytics.exe"
C:\Windows\SysWOW64\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\blockBroker\dCDa6ALGfvXR9eU7o.vbe"
C:\Windows\SysWOW64\cmd.exe
cmd /c ""C:\Users\Admin\AppData\Local\Temp\blockBroker\oXLzHTz.bat" "
C:\Users\Admin\AppData\Local\Temp\blockBroker\refCrt.exe
"C:\Users\Admin\AppData\Local\Temp\blockBroker\refCrt.exe"
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "csrssc" /sc MINUTE /mo 8 /tr "'C:\Users\Default User\csrss.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "csrss" /sc ONLOGON /tr "'C:\Users\Default User\csrss.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "csrssc" /sc MINUTE /mo 5 /tr "'C:\Users\Default User\csrss.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "dwmd" /sc MINUTE /mo 11 /tr "'C:\MSOCache\All Users\{90140000-0016-0409-0000-0000000FF1CE}-C\dwm.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "dwm" /sc ONLOGON /tr "'C:\MSOCache\All Users\{90140000-0016-0409-0000-0000000FF1CE}-C\dwm.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "dwmd" /sc MINUTE /mo 8 /tr "'C:\MSOCache\All Users\{90140000-0016-0409-0000-0000000FF1CE}-C\dwm.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "refCrtr" /sc MINUTE /mo 7 /tr "'C:\Windows\ja-JP\refCrt.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "refCrt" /sc ONLOGON /tr "'C:\Windows\ja-JP\refCrt.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "refCrtr" /sc MINUTE /mo 14 /tr "'C:\Windows\ja-JP\refCrt.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "audiodga" /sc MINUTE /mo 11 /tr "'C:\Users\Default User\audiodg.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "audiodg" /sc ONLOGON /tr "'C:\Users\Default User\audiodg.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "audiodga" /sc MINUTE /mo 9 /tr "'C:\Users\Default User\audiodg.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "refCrtr" /sc MINUTE /mo 6 /tr "'C:\MSOCache\All Users\{90140000-0117-0409-0000-0000000FF1CE}-C\Access.en-us\refCrt.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "refCrt" /sc ONLOGON /tr "'C:\MSOCache\All Users\{90140000-0117-0409-0000-0000000FF1CE}-C\Access.en-us\refCrt.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "refCrtr" /sc MINUTE /mo 8 /tr "'C:\MSOCache\All Users\{90140000-0117-0409-0000-0000000FF1CE}-C\Access.en-us\refCrt.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "audiodga" /sc MINUTE /mo 14 /tr "'C:\Users\All Users\audiodg.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "audiodg" /sc ONLOGON /tr "'C:\Users\All Users\audiodg.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "audiodga" /sc MINUTE /mo 7 /tr "'C:\Users\All Users\audiodg.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "SystemS" /sc MINUTE /mo 7 /tr "'C:\Program Files (x86)\Common Files\System.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "System" /sc ONLOGON /tr "'C:\Program Files (x86)\Common Files\System.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "SystemS" /sc MINUTE /mo 14 /tr "'C:\Program Files (x86)\Common Files\System.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "refCrtr" /sc MINUTE /mo 12 /tr "'C:\Recovery\d6b272a2-8f1b-11ee-9e28-7ed9061e9c39\refCrt.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "refCrt" /sc ONLOGON /tr "'C:\Recovery\d6b272a2-8f1b-11ee-9e28-7ed9061e9c39\refCrt.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "refCrtr" /sc MINUTE /mo 10 /tr "'C:\Recovery\d6b272a2-8f1b-11ee-9e28-7ed9061e9c39\refCrt.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "spoolsvs" /sc MINUTE /mo 10 /tr "'C:\Recovery\d6b272a2-8f1b-11ee-9e28-7ed9061e9c39\spoolsv.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "spoolsv" /sc ONLOGON /tr "'C:\Recovery\d6b272a2-8f1b-11ee-9e28-7ed9061e9c39\spoolsv.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "spoolsvs" /sc MINUTE /mo 13 /tr "'C:\Recovery\d6b272a2-8f1b-11ee-9e28-7ed9061e9c39\spoolsv.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "explorere" /sc MINUTE /mo 13 /tr "'C:\MSOCache\All Users\{90140000-0044-0409-0000-0000000FF1CE}-C\explorer.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "explorer" /sc ONLOGON /tr "'C:\MSOCache\All Users\{90140000-0044-0409-0000-0000000FF1CE}-C\explorer.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "explorere" /sc MINUTE /mo 9 /tr "'C:\MSOCache\All Users\{90140000-0044-0409-0000-0000000FF1CE}-C\explorer.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "csrssc" /sc MINUTE /mo 7 /tr "'C:\Program Files\Internet Explorer\fr-FR\csrss.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "csrss" /sc ONLOGON /tr "'C:\Program Files\Internet Explorer\fr-FR\csrss.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "csrssc" /sc MINUTE /mo 6 /tr "'C:\Program Files\Internet Explorer\fr-FR\csrss.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "spoolsvs" /sc MINUTE /mo 10 /tr "'C:\Recovery\d6b272a2-8f1b-11ee-9e28-7ed9061e9c39\spoolsv.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "spoolsv" /sc ONLOGON /tr "'C:\Recovery\d6b272a2-8f1b-11ee-9e28-7ed9061e9c39\spoolsv.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "spoolsvs" /sc MINUTE /mo 7 /tr "'C:\Recovery\d6b272a2-8f1b-11ee-9e28-7ed9061e9c39\spoolsv.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "smsss" /sc MINUTE /mo 5 /tr "'C:\Users\Admin\PrintHood\smss.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "smss" /sc ONLOGON /tr "'C:\Users\Admin\PrintHood\smss.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "smsss" /sc MINUTE /mo 11 /tr "'C:\Users\Admin\PrintHood\smss.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "spoolsvs" /sc MINUTE /mo 7 /tr "'C:\Program Files\Internet Explorer\fr-FR\spoolsv.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "spoolsv" /sc ONLOGON /tr "'C:\Program Files\Internet Explorer\fr-FR\spoolsv.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "spoolsvs" /sc MINUTE /mo 14 /tr "'C:\Program Files\Internet Explorer\fr-FR\spoolsv.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "servicess" /sc MINUTE /mo 8 /tr "'C:\Recovery\d6b272a2-8f1b-11ee-9e28-7ed9061e9c39\services.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "services" /sc ONLOGON /tr "'C:\Recovery\d6b272a2-8f1b-11ee-9e28-7ed9061e9c39\services.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "servicess" /sc MINUTE /mo 7 /tr "'C:\Recovery\d6b272a2-8f1b-11ee-9e28-7ed9061e9c39\services.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "csrssc" /sc MINUTE /mo 11 /tr "'C:\MSOCache\All Users\{90140000-0011-0000-0000-0000000FF1CE}-C\csrss.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "csrss" /sc ONLOGON /tr "'C:\MSOCache\All Users\{90140000-0011-0000-0000-0000000FF1CE}-C\csrss.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "csrssc" /sc MINUTE /mo 8 /tr "'C:\MSOCache\All Users\{90140000-0011-0000-0000-0000000FF1CE}-C\csrss.exe'" /rl HIGHEST /f
C:\Windows\System32\cmd.exe
"C:\Windows\System32\cmd.exe" /C "C:\Users\Admin\AppData\Local\Temp\pVM9OSdzJ7.bat"
C:\Windows\system32\w32tm.exe
w32tm /stripchart /computer:localhost /period:5 /dataonly /samples:2
C:\MSOCache\All Users\{90140000-0044-0409-0000-0000000FF1CE}-C\explorer.exe
"C:\MSOCache\All Users\{90140000-0044-0409-0000-0000000FF1CE}-C\explorer.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | ip-api.com | udp |
| US | 208.95.112.1:80 | ip-api.com | tcp |
| US | 208.95.112.1:80 | ip-api.com | tcp |
| US | 8.8.8.8:53 | a0981341.xsph.ru | udp |
| RU | 141.8.192.6:80 | a0981341.xsph.ru | tcp |
Files
C:\Users\Admin\AppData\Local\Temp\blockBroker\dCDa6ALGfvXR9eU7o.vbe
| MD5 | d82ab8a29099adb65e97dd5eb7bb9acc |
| SHA1 | bff5f9f5d5793ca27e0f2f26fa437317209da5c9 |
| SHA256 | 7df61b5dc400e66c13e84a0fe0d0af679ed73cacc1e80877224f5dbf52594cc0 |
| SHA512 | d953272aab88a6ef226b3316a8da7e145cc7bea23ca0f16e0f44dc41e6b5875ba19275234690c079572da89eb2524dbae0a87330ce33c1bd6966161e5ec5e7d1 |
C:\Users\Admin\AppData\Local\Temp\blockBroker\oXLzHTz.bat
| MD5 | f2a70d75ba065b27796739df5ed59503 |
| SHA1 | 6761a00a1b4dfc1bdc8b38ebdc1031d4878d0863 |
| SHA256 | 5d8b9079a09b672d42794c2948e409ee1a8a182e7cd591b3697af4ca51c73f16 |
| SHA512 | 931994e6ecbd19d2e804d8b9bc6015ef7d031e99497b6a585c5aed967a07894fc615981bb504dd270711e71eae9a61eb6aed0faf914c18e569adc48e847f6d84 |
\Users\Admin\AppData\Local\Temp\blockBroker\refCrt.exe
| MD5 | 4a8fd7bb970c86e0650a3e110fb5e6d0 |
| SHA1 | 514e8249d87435de3b34bfd06e3dea9a6fb0fc96 |
| SHA256 | 86e9ac84264ae29059d78e2a3ebedea8d3b6c1083d03b82bdab8e32d306fd8a9 |
| SHA512 | 390a7e834dec74cbcc49efeee1adddb05bbe2e972e08a0ec5e6cfbecc92e4a864f6c33ce1a1d293acd42cc4f8f6ca89a8226820819170f8d86ff5e5d301e5910 |
memory/2512-13-0x0000000000300000-0x00000000003E8000-memory.dmp
memory/2512-14-0x0000000000140000-0x000000000014E000-memory.dmp
memory/2512-15-0x0000000000510000-0x0000000000518000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\pVM9OSdzJ7.bat
| MD5 | 6d1488e5e9898a41e2e5510b40f8ffda |
| SHA1 | 44046d71a0a919cef47e2c888da61a5e8509e008 |
| SHA256 | cd4b6ac938df86862e87f52de60ad6aeaec6c23fc39315c1a680f041e4d7f9f3 |
| SHA512 | 4cb0fe34de6e3721e9aa96bd5b5b3b8fc550e29d89630cd4050f28f3ac36ba5ea8250a16787959581d1a1841eb9ea8e9df270d01912bd0a6e7207aa2d6094e3e |
memory/2332-55-0x00000000000B0000-0x0000000000198000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-03 10:43
Reported
2024-06-03 10:46
Platform
win10v2004-20240508-en
Max time kernel
148s
Max time network
150s
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 |
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-1-5-21-1337824034-2731376981-3755436523-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\a083297276d53c1ea773b6a44715daa36259a8a9efcbc9c18818903c25663847_NeikiAnalytics.exe | N/A |
| Key value queried | \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\Control Panel\International\Geo\Nation | C:\Windows\SysWOW64\WScript.exe | N/A |
| Key value queried | \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\blockBroker\refCrt.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\blockBroker\refCrt.exe | N/A |
| N/A | N/A | C:\Users\Default\Local Settings\Idle.exe | N/A |
Looks up external IP address via web service
| Description | Indicator | Process | Target |
| N/A | ip-api.com | N/A | N/A |
Drops file in Program Files directory
| Description | Indicator | Process | Target |
| File created | C:\Program Files\Microsoft Office\WaaSMedicAgent.exe | C:\Users\Admin\AppData\Local\Temp\blockBroker\refCrt.exe | N/A |
| File opened for modification | C:\Program Files\Microsoft Office\WaaSMedicAgent.exe | C:\Users\Admin\AppData\Local\Temp\blockBroker\refCrt.exe | N/A |
| File created | C:\Program Files\Microsoft Office\c82b8037eab33d | C:\Users\Admin\AppData\Local\Temp\blockBroker\refCrt.exe | N/A |
| File created | C:\Program Files\ModifiableWindowsApps\RuntimeBroker.exe | C:\Users\Admin\AppData\Local\Temp\blockBroker\refCrt.exe | N/A |
| File created | C:\Program Files (x86)\Microsoft.NET\RedistList\spoolsv.exe | C:\Users\Admin\AppData\Local\Temp\blockBroker\refCrt.exe | N/A |
| File created | C:\Program Files (x86)\Microsoft.NET\RedistList\f3b6ecef712a24 | C:\Users\Admin\AppData\Local\Temp\blockBroker\refCrt.exe | N/A |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\Migration\WTR\RuntimeBroker.exe | C:\Users\Admin\AppData\Local\Temp\blockBroker\refCrt.exe | N/A |
| File created | C:\Windows\Migration\WTR\9e8d7a4ca61bd9 | C:\Users\Admin\AppData\Local\Temp\blockBroker\refCrt.exe | N/A |
Enumerates physical storage devices
Creates scheduled task(s)
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\system32\schtasks.exe | N/A |
| N/A | N/A | C:\Windows\system32\schtasks.exe | N/A |
| N/A | N/A | C:\Windows\system32\schtasks.exe | N/A |
| N/A | N/A | C:\Windows\system32\schtasks.exe | N/A |
| N/A | N/A | C:\Windows\system32\schtasks.exe | N/A |
| N/A | N/A | C:\Windows\system32\schtasks.exe | N/A |
| N/A | N/A | C:\Windows\system32\schtasks.exe | N/A |
| N/A | N/A | C:\Windows\system32\schtasks.exe | N/A |
| N/A | N/A | C:\Windows\system32\schtasks.exe | N/A |
| N/A | N/A | C:\Windows\system32\schtasks.exe | N/A |
| N/A | N/A | C:\Windows\system32\schtasks.exe | N/A |
| N/A | N/A | C:\Windows\system32\schtasks.exe | N/A |
Modifies registry class
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000_Classes\Local Settings | C:\Users\Admin\AppData\Local\Temp\a083297276d53c1ea773b6a44715daa36259a8a9efcbc9c18818903c25663847_NeikiAnalytics.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000_Classes\Local Settings | C:\Users\Admin\AppData\Local\Temp\blockBroker\refCrt.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\blockBroker\refCrt.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\blockBroker\refCrt.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\blockBroker\refCrt.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\blockBroker\refCrt.exe | N/A |
| N/A | N/A | C:\Users\Default\Local Settings\Idle.exe | N/A |
| N/A | N/A | C:\Users\Default\Local Settings\Idle.exe | N/A |
| N/A | N/A | C:\Users\Default\Local Settings\Idle.exe | N/A |
| N/A | N/A | C:\Users\Default\Local Settings\Idle.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\blockBroker\refCrt.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Default\Local Settings\Idle.exe | N/A |
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Processes
C:\Users\Admin\AppData\Local\Temp\a083297276d53c1ea773b6a44715daa36259a8a9efcbc9c18818903c25663847_NeikiAnalytics.exe
"C:\Users\Admin\AppData\Local\Temp\a083297276d53c1ea773b6a44715daa36259a8a9efcbc9c18818903c25663847_NeikiAnalytics.exe"
C:\Windows\SysWOW64\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\blockBroker\dCDa6ALGfvXR9eU7o.vbe"
C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\blockBroker\oXLzHTz.bat" "
C:\Users\Admin\AppData\Local\Temp\blockBroker\refCrt.exe
"C:\Users\Admin\AppData\Local\Temp\blockBroker\refCrt.exe"
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "WaaSMedicAgentW" /sc MINUTE /mo 12 /tr "'C:\Program Files\Microsoft Office\WaaSMedicAgent.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "WaaSMedicAgent" /sc ONLOGON /tr "'C:\Program Files\Microsoft Office\WaaSMedicAgent.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "WaaSMedicAgentW" /sc MINUTE /mo 13 /tr "'C:\Program Files\Microsoft Office\WaaSMedicAgent.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "IdleI" /sc MINUTE /mo 14 /tr "'C:\Users\Default\Local Settings\Idle.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "Idle" /sc ONLOGON /tr "'C:\Users\Default\Local Settings\Idle.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "IdleI" /sc MINUTE /mo 11 /tr "'C:\Users\Default\Local Settings\Idle.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "RuntimeBrokerR" /sc MINUTE /mo 8 /tr "'C:\Windows\Migration\WTR\RuntimeBroker.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "RuntimeBroker" /sc ONLOGON /tr "'C:\Windows\Migration\WTR\RuntimeBroker.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "RuntimeBrokerR" /sc MINUTE /mo 8 /tr "'C:\Windows\Migration\WTR\RuntimeBroker.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "spoolsvs" /sc MINUTE /mo 7 /tr "'C:\Program Files (x86)\Microsoft.NET\RedistList\spoolsv.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "spoolsv" /sc ONLOGON /tr "'C:\Program Files (x86)\Microsoft.NET\RedistList\spoolsv.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "spoolsvs" /sc MINUTE /mo 10 /tr "'C:\Program Files (x86)\Microsoft.NET\RedistList\spoolsv.exe'" /rl HIGHEST /f
C:\Windows\System32\cmd.exe
"C:\Windows\System32\cmd.exe" /C "C:\Users\Admin\AppData\Local\Temp\tBqs7RWP1b.bat"
C:\Windows\system32\w32tm.exe
w32tm /stripchart /computer:localhost /period:5 /dataonly /samples:2
C:\Users\Default\Local Settings\Idle.exe
"C:\Users\Default\Local Settings\Idle.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 209.205.72.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 4.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 205.47.74.20.in-addr.arpa | udp |
| NL | 23.62.61.123:443 | www.bing.com | tcp |
| US | 8.8.8.8:53 | 123.61.62.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | ip-api.com | udp |
| US | 208.95.112.1:80 | ip-api.com | tcp |
| US | 8.8.8.8:53 | 1.112.95.208.in-addr.arpa | udp |
| US | 208.95.112.1:80 | ip-api.com | tcp |
| US | 8.8.8.8:53 | a0981341.xsph.ru | udp |
| RU | 141.8.192.6:80 | a0981341.xsph.ru | tcp |
| US | 8.8.8.8:53 | 133.211.185.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 6.192.8.141.in-addr.arpa | udp |
| NL | 52.142.223.178:80 | tcp | |
| 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 | 57.169.31.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 13.227.111.52.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 | 8.8.8.8:53 | 200.197.79.204.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.173.189.20.in-addr.arpa | udp |
Files
C:\Users\Admin\AppData\Local\Temp\blockBroker\dCDa6ALGfvXR9eU7o.vbe
| MD5 | d82ab8a29099adb65e97dd5eb7bb9acc |
| SHA1 | bff5f9f5d5793ca27e0f2f26fa437317209da5c9 |
| SHA256 | 7df61b5dc400e66c13e84a0fe0d0af679ed73cacc1e80877224f5dbf52594cc0 |
| SHA512 | d953272aab88a6ef226b3316a8da7e145cc7bea23ca0f16e0f44dc41e6b5875ba19275234690c079572da89eb2524dbae0a87330ce33c1bd6966161e5ec5e7d1 |
C:\Users\Admin\AppData\Local\Temp\blockBroker\oXLzHTz.bat
| MD5 | f2a70d75ba065b27796739df5ed59503 |
| SHA1 | 6761a00a1b4dfc1bdc8b38ebdc1031d4878d0863 |
| SHA256 | 5d8b9079a09b672d42794c2948e409ee1a8a182e7cd591b3697af4ca51c73f16 |
| SHA512 | 931994e6ecbd19d2e804d8b9bc6015ef7d031e99497b6a585c5aed967a07894fc615981bb504dd270711e71eae9a61eb6aed0faf914c18e569adc48e847f6d84 |
C:\Users\Admin\AppData\Local\Temp\blockBroker\refCrt.exe
| MD5 | 4a8fd7bb970c86e0650a3e110fb5e6d0 |
| SHA1 | 514e8249d87435de3b34bfd06e3dea9a6fb0fc96 |
| SHA256 | 86e9ac84264ae29059d78e2a3ebedea8d3b6c1083d03b82bdab8e32d306fd8a9 |
| SHA512 | 390a7e834dec74cbcc49efeee1adddb05bbe2e972e08a0ec5e6cfbecc92e4a864f6c33ce1a1d293acd42cc4f8f6ca89a8226820819170f8d86ff5e5d301e5910 |
memory/4856-12-0x00007FFDB4DA3000-0x00007FFDB4DA5000-memory.dmp
memory/4856-13-0x0000000000DC0000-0x0000000000EA8000-memory.dmp
memory/4856-14-0x00000000030C0000-0x00000000030CE000-memory.dmp
memory/4856-15-0x0000000003250000-0x0000000003258000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\tBqs7RWP1b.bat
| MD5 | 1dffee0aa2ade2cd8555e1a0fe5dd3ef |
| SHA1 | bd2b3220aa4e35379b7fe65bc60ce9e2a2381abd |
| SHA256 | d5e4386bc11bc5df02af2462540484732c0a8ecaf9fffc9a5a9bae80c47bbc1a |
| SHA512 | e638249337fed635e2f4d4e750e09c1f574bb2b44e0533a69027476e8c540b0618dd610304141c6d2b09c812310846ef7aae621b8b71e4e6b174d3da9db13198 |