Analysis Overview
SHA256
f139ad1c83bf27b6ca402476829a81f311f19b98b655bbaca32ef3c8c5aa7550
Threat Level: Known bad
The file f139ad1c83bf27b6ca402476829a81f311f19b98b655bbaca32ef3c8c5aa7550.exe was found to be: Known bad.
Malicious Activity Summary
DcRat
DCRat payload
Process spawned unexpected child process
Dcrat family
DCRat payload
Checks computer location settings
Executes dropped EXE
Drops file in Windows directory
Drops file in Program Files directory
Enumerates physical storage devices
Unsigned PE
Modifies registry class
Uses Task Scheduler COM API
Scheduled Task/Job: Scheduled Task
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: EnumeratesProcesses
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-06-18 19:27
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
2024-06-18 19:27
Reported
2024-06-18 19:30
Platform
win7-20240508-en
Max time kernel
127s
Max time network
151s
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 |
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 (x86)\Mozilla Maintenance Service\csrss.exe | N/A |
Drops file in Program Files directory
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\diagnostics\index\winlogon.exe | C:\Users\Admin\AppData\Local\Temp\f139ad1c83bf27b6ca402476829a81f311f19b98b655bbaca32ef3c8c5aa7550.exe | N/A |
| File created | C:\Windows\Prefetch\ReadyBoot\f139ad1c83bf27b6ca402476829a81f311f19b98b655bbaca32ef3c8c5aa7550.exe | C:\Users\Admin\AppData\Local\Temp\f139ad1c83bf27b6ca402476829a81f311f19b98b655bbaca32ef3c8c5aa7550.exe | N/A |
| File created | C:\Windows\Prefetch\ReadyBoot\fb32fb451612e5 | C:\Users\Admin\AppData\Local\Temp\f139ad1c83bf27b6ca402476829a81f311f19b98b655bbaca32ef3c8c5aa7550.exe | N/A |
Enumerates physical storage devices
Scheduled Task/Job: Scheduled Task
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Program Files (x86)\Mozilla Maintenance Service\csrss.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\f139ad1c83bf27b6ca402476829a81f311f19b98b655bbaca32ef3c8c5aa7550.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Program Files (x86)\Mozilla Maintenance Service\csrss.exe | N/A |
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Processes
C:\Users\Admin\AppData\Local\Temp\f139ad1c83bf27b6ca402476829a81f311f19b98b655bbaca32ef3c8c5aa7550.exe
"C:\Users\Admin\AppData\Local\Temp\f139ad1c83bf27b6ca402476829a81f311f19b98b655bbaca32ef3c8c5aa7550.exe"
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "sppsvcs" /sc MINUTE /mo 13 /tr "'C:\Users\All Users\Application Data\sppsvc.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "sppsvc" /sc ONLOGON /tr "'C:\Users\All Users\Application Data\sppsvc.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "sppsvcs" /sc MINUTE /mo 8 /tr "'C:\Users\All Users\Application Data\sppsvc.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "csrssc" /sc MINUTE /mo 7 /tr "'C:\Program Files (x86)\Mozilla Maintenance Service\csrss.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "csrss" /sc ONLOGON /tr "'C:\Program Files (x86)\Mozilla Maintenance Service\csrss.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "csrssc" /sc MINUTE /mo 6 /tr "'C:\Program Files (x86)\Mozilla Maintenance Service\csrss.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\taskhost.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "taskhost" /sc ONLOGON /tr "'C:\Program Files (x86)\Windows NT\Accessories\taskhost.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "taskhostt" /sc MINUTE /mo 5 /tr "'C:\Program Files (x86)\Windows NT\Accessories\taskhost.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "csrssc" /sc MINUTE /mo 5 /tr "'C:\Program Files (x86)\Mozilla Maintenance Service\csrss.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "csrss" /sc ONLOGON /tr "'C:\Program Files (x86)\Mozilla Maintenance Service\csrss.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "csrssc" /sc MINUTE /mo 8 /tr "'C:\Program Files (x86)\Mozilla Maintenance Service\csrss.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "winlogonw" /sc MINUTE /mo 10 /tr "'C:\MSOCache\All Users\winlogon.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "winlogon" /sc ONLOGON /tr "'C:\MSOCache\All Users\winlogon.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "winlogonw" /sc MINUTE /mo 11 /tr "'C:\MSOCache\All Users\winlogon.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "f139ad1c83bf27b6ca402476829a81f311f19b98b655bbaca32ef3c8c5aa7550f" /sc MINUTE /mo 13 /tr "'C:\Users\All Users\Adobe\Acrobat\9.0\f139ad1c83bf27b6ca402476829a81f311f19b98b655bbaca32ef3c8c5aa7550.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "f139ad1c83bf27b6ca402476829a81f311f19b98b655bbaca32ef3c8c5aa7550" /sc ONLOGON /tr "'C:\Users\All Users\Adobe\Acrobat\9.0\f139ad1c83bf27b6ca402476829a81f311f19b98b655bbaca32ef3c8c5aa7550.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "f139ad1c83bf27b6ca402476829a81f311f19b98b655bbaca32ef3c8c5aa7550f" /sc MINUTE /mo 9 /tr "'C:\Users\All Users\Adobe\Acrobat\9.0\f139ad1c83bf27b6ca402476829a81f311f19b98b655bbaca32ef3c8c5aa7550.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "csrssc" /sc MINUTE /mo 11 /tr "'C:\Program Files (x86)\Microsoft Sync Framework\v1.0\Runtime\csrss.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "csrss" /sc ONLOGON /tr "'C:\Program Files (x86)\Microsoft Sync Framework\v1.0\Runtime\csrss.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "csrssc" /sc MINUTE /mo 9 /tr "'C:\Program Files (x86)\Microsoft Sync Framework\v1.0\Runtime\csrss.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "csrssc" /sc MINUTE /mo 9 /tr "'C:\Program Files (x86)\Windows Photo Viewer\fr-FR\csrss.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "csrss" /sc ONLOGON /tr "'C:\Program Files (x86)\Windows Photo Viewer\fr-FR\csrss.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "csrssc" /sc MINUTE /mo 14 /tr "'C:\Program Files (x86)\Windows Photo Viewer\fr-FR\csrss.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "SystemS" /sc MINUTE /mo 14 /tr "'C:\Program Files (x86)\Microsoft Visual Studio 8\SDK\System.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "System" /sc ONLOGON /tr "'C:\Program Files (x86)\Microsoft Visual Studio 8\SDK\System.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "SystemS" /sc MINUTE /mo 9 /tr "'C:\Program Files (x86)\Microsoft Visual Studio 8\SDK\System.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "f139ad1c83bf27b6ca402476829a81f311f19b98b655bbaca32ef3c8c5aa7550f" /sc MINUTE /mo 12 /tr "'C:\Windows\Prefetch\ReadyBoot\f139ad1c83bf27b6ca402476829a81f311f19b98b655bbaca32ef3c8c5aa7550.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "f139ad1c83bf27b6ca402476829a81f311f19b98b655bbaca32ef3c8c5aa7550" /sc ONLOGON /tr "'C:\Windows\Prefetch\ReadyBoot\f139ad1c83bf27b6ca402476829a81f311f19b98b655bbaca32ef3c8c5aa7550.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "f139ad1c83bf27b6ca402476829a81f311f19b98b655bbaca32ef3c8c5aa7550f" /sc MINUTE /mo 5 /tr "'C:\Windows\Prefetch\ReadyBoot\f139ad1c83bf27b6ca402476829a81f311f19b98b655bbaca32ef3c8c5aa7550.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "lsassl" /sc MINUTE /mo 8 /tr "'C:\Recovery\96702242-0d98-11ef-bfa8-5aba25856535\lsass.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "lsass" /sc ONLOGON /tr "'C:\Recovery\96702242-0d98-11ef-bfa8-5aba25856535\lsass.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "lsassl" /sc MINUTE /mo 5 /tr "'C:\Recovery\96702242-0d98-11ef-bfa8-5aba25856535\lsass.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "IdleI" /sc MINUTE /mo 7 /tr "'C:\Program Files (x86)\Microsoft SQL Server Compact Edition\v3.5\Idle.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "Idle" /sc ONLOGON /tr "'C:\Program Files (x86)\Microsoft SQL Server Compact Edition\v3.5\Idle.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "IdleI" /sc MINUTE /mo 12 /tr "'C:\Program Files (x86)\Microsoft SQL Server Compact Edition\v3.5\Idle.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "explorere" /sc MINUTE /mo 12 /tr "'C:\Program Files (x86)\Mozilla Maintenance Service\logs\explorer.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "explorer" /sc ONLOGON /tr "'C:\Program Files (x86)\Mozilla Maintenance Service\logs\explorer.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "explorere" /sc MINUTE /mo 5 /tr "'C:\Program Files (x86)\Mozilla Maintenance Service\logs\explorer.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "sppsvcs" /sc MINUTE /mo 12 /tr "'C:\MSOCache\All Users\sppsvc.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "sppsvc" /sc ONLOGON /tr "'C:\MSOCache\All Users\sppsvc.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "sppsvcs" /sc MINUTE /mo 5 /tr "'C:\MSOCache\All Users\sppsvc.exe'" /rl HIGHEST /f
C:\Windows\System32\cmd.exe
"C:\Windows\System32\cmd.exe" /C "C:\Users\Admin\AppData\Local\Temp\3DwaTFc6qk.bat"
C:\Windows\system32\w32tm.exe
w32tm /stripchart /computer:localhost /period:5 /dataonly /samples:2
C:\Program Files (x86)\Mozilla Maintenance Service\csrss.exe
"C:\Program Files (x86)\Mozilla Maintenance Service\csrss.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | cz61028.tw1.ru | udp |
| RU | 92.53.96.121:80 | cz61028.tw1.ru | tcp |
| RU | 92.53.96.121:80 | cz61028.tw1.ru | tcp |
| RU | 92.53.96.121:80 | cz61028.tw1.ru | tcp |
| RU | 92.53.96.121:80 | cz61028.tw1.ru | tcp |
| RU | 92.53.96.121:80 | cz61028.tw1.ru | tcp |
Files
memory/1672-0-0x000007FEF5DC3000-0x000007FEF5DC4000-memory.dmp
memory/1672-1-0x0000000000EA0000-0x0000000000F9C000-memory.dmp
memory/1672-2-0x000007FEF5DC0000-0x000007FEF67AC000-memory.dmp
memory/1672-3-0x0000000000650000-0x0000000000662000-memory.dmp
memory/1672-4-0x00000000009B0000-0x00000000009BC000-memory.dmp
C:\MSOCache\All Users\winlogon.exe
| MD5 | 4b4fbd1058bad316a931918769027276 |
| SHA1 | 598bbff84cfde0d002feeefd19dae6a20fcfcbf8 |
| SHA256 | f139ad1c83bf27b6ca402476829a81f311f19b98b655bbaca32ef3c8c5aa7550 |
| SHA512 | 108c4390dc8944f43579ff8c052207a441f036de68e99a6c41cb28f9d71a6a751e10f918b873dc177ba0a241b402980aed5c3a21003bce250d62fc3afc1e2344 |
memory/1672-38-0x000007FEF5DC0000-0x000007FEF67AC000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\3DwaTFc6qk.bat
| MD5 | e2edc39355dfce29f7bdf383b0ea16cd |
| SHA1 | 8a40003986cee6ac2fa57e8ecb82bdc1acee0fee |
| SHA256 | 03de5ca7d99a997b811b658011ba7fcc49f39a42de864e4623a66f3cc8ad2c49 |
| SHA512 | eb5997c603c4434323704a83a322106414c3bc2890cb1979e816fb735936f98cf7269a1a1b41504a490afbfb14923806977f21068b7899ad02ed2d3d612fb6a9 |
memory/2008-41-0x00000000012F0000-0x00000000013EC000-memory.dmp
memory/2008-42-0x0000000000140000-0x0000000000152000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-18 19:27
Reported
2024-06-18 19:30
Platform
win10v2004-20240508-en
Max time kernel
51s
Max time network
58s
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 |
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-1-5-21-3558294865-3673844354-2255444939-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\f139ad1c83bf27b6ca402476829a81f311f19b98b655bbaca32ef3c8c5aa7550.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Public\Music\upfc.exe | N/A |
Drops file in Program Files directory
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\PrintDialog\microsoft.system.package.metadata\Autogen\csrss.exe | C:\Users\Admin\AppData\Local\Temp\f139ad1c83bf27b6ca402476829a81f311f19b98b655bbaca32ef3c8c5aa7550.exe | N/A |
| File created | C:\Windows\PrintDialog\microsoft.system.package.metadata\Autogen\886983d96e3d3e | C:\Users\Admin\AppData\Local\Temp\f139ad1c83bf27b6ca402476829a81f311f19b98b655bbaca32ef3c8c5aa7550.exe | N/A |
Enumerates physical storage devices
Modifies registry class
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000_Classes\Local Settings | C:\Users\Admin\AppData\Local\Temp\f139ad1c83bf27b6ca402476829a81f311f19b98b655bbaca32ef3c8c5aa7550.exe | N/A |
Scheduled Task/Job: Scheduled Task
| 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 |
| 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 |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\f139ad1c83bf27b6ca402476829a81f311f19b98b655bbaca32ef3c8c5aa7550.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\f139ad1c83bf27b6ca402476829a81f311f19b98b655bbaca32ef3c8c5aa7550.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\f139ad1c83bf27b6ca402476829a81f311f19b98b655bbaca32ef3c8c5aa7550.exe | N/A |
| N/A | N/A | C:\Users\Public\Music\upfc.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\f139ad1c83bf27b6ca402476829a81f311f19b98b655bbaca32ef3c8c5aa7550.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Public\Music\upfc.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1784 wrote to memory of 3516 | N/A | C:\Users\Admin\AppData\Local\Temp\f139ad1c83bf27b6ca402476829a81f311f19b98b655bbaca32ef3c8c5aa7550.exe | C:\Windows\System32\cmd.exe |
| PID 1784 wrote to memory of 3516 | N/A | C:\Users\Admin\AppData\Local\Temp\f139ad1c83bf27b6ca402476829a81f311f19b98b655bbaca32ef3c8c5aa7550.exe | C:\Windows\System32\cmd.exe |
| PID 3516 wrote to memory of 2204 | N/A | C:\Windows\System32\cmd.exe | C:\Windows\system32\w32tm.exe |
| PID 3516 wrote to memory of 2204 | N/A | C:\Windows\System32\cmd.exe | C:\Windows\system32\w32tm.exe |
| PID 3516 wrote to memory of 1556 | N/A | C:\Windows\System32\cmd.exe | C:\Users\Public\Music\upfc.exe |
| PID 3516 wrote to memory of 1556 | N/A | C:\Windows\System32\cmd.exe | C:\Users\Public\Music\upfc.exe |
Uses Task Scheduler COM API
Processes
C:\Users\Admin\AppData\Local\Temp\f139ad1c83bf27b6ca402476829a81f311f19b98b655bbaca32ef3c8c5aa7550.exe
"C:\Users\Admin\AppData\Local\Temp\f139ad1c83bf27b6ca402476829a81f311f19b98b655bbaca32ef3c8c5aa7550.exe"
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "csrssc" /sc MINUTE /mo 6 /tr "'C:\Program Files\Windows Multimedia Platform\csrss.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "csrss" /sc ONLOGON /tr "'C:\Program Files\Windows Multimedia Platform\csrss.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "csrssc" /sc MINUTE /mo 12 /tr "'C:\Program Files\Windows Multimedia Platform\csrss.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "StartMenuExperienceHostS" /sc MINUTE /mo 7 /tr "'C:\Program Files\MSBuild\Microsoft\StartMenuExperienceHost.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "StartMenuExperienceHost" /sc ONLOGON /tr "'C:\Program Files\MSBuild\Microsoft\StartMenuExperienceHost.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "StartMenuExperienceHostS" /sc MINUTE /mo 11 /tr "'C:\Program Files\MSBuild\Microsoft\StartMenuExperienceHost.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "lsassl" /sc MINUTE /mo 9 /tr "'C:\Program Files (x86)\WindowsPowerShell\Configuration\Schema\lsass.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "lsass" /sc ONLOGON /tr "'C:\Program Files (x86)\WindowsPowerShell\Configuration\Schema\lsass.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "lsassl" /sc MINUTE /mo 12 /tr "'C:\Program Files (x86)\WindowsPowerShell\Configuration\Schema\lsass.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "csrssc" /sc MINUTE /mo 5 /tr "'C:\Windows\PrintDialog\microsoft.system.package.metadata\Autogen\csrss.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "csrss" /sc ONLOGON /tr "'C:\Windows\PrintDialog\microsoft.system.package.metadata\Autogen\csrss.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "csrssc" /sc MINUTE /mo 10 /tr "'C:\Windows\PrintDialog\microsoft.system.package.metadata\Autogen\csrss.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "upfcu" /sc MINUTE /mo 10 /tr "'C:\Users\Public\Music\upfc.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "upfc" /sc ONLOGON /tr "'C:\Users\Public\Music\upfc.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "upfcu" /sc MINUTE /mo 5 /tr "'C:\Users\Public\Music\upfc.exe'" /rl HIGHEST /f
C:\Windows\System32\cmd.exe
"C:\Windows\System32\cmd.exe" /C "C:\Users\Admin\AppData\Local\Temp\LAi8jYRa4E.bat"
C:\Windows\system32\w32tm.exe
w32tm /stripchart /computer:localhost /period:5 /dataonly /samples:2
C:\Users\Public\Music\upfc.exe
"C:\Users\Public\Music\upfc.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 | cz61028.tw1.ru | udp |
| US | 8.8.8.8:53 | cz61028.tw1.ru | udp |
Files
memory/1784-0-0x00007FFDEBC23000-0x00007FFDEBC25000-memory.dmp
memory/1784-1-0x0000000000540000-0x000000000063C000-memory.dmp
memory/1784-2-0x00007FFDEBC20000-0x00007FFDEC6E1000-memory.dmp
memory/1784-3-0x0000000002700000-0x0000000002712000-memory.dmp
memory/1784-4-0x000000001BD30000-0x000000001C258000-memory.dmp
memory/1784-5-0x0000000002740000-0x000000000274C000-memory.dmp
C:\Users\Public\Music\upfc.exe
| MD5 | 4b4fbd1058bad316a931918769027276 |
| SHA1 | 598bbff84cfde0d002feeefd19dae6a20fcfcbf8 |
| SHA256 | f139ad1c83bf27b6ca402476829a81f311f19b98b655bbaca32ef3c8c5aa7550 |
| SHA512 | 108c4390dc8944f43579ff8c052207a441f036de68e99a6c41cb28f9d71a6a751e10f918b873dc177ba0a241b402980aed5c3a21003bce250d62fc3afc1e2344 |
memory/1784-21-0x00007FFDEBC20000-0x00007FFDEC6E1000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\LAi8jYRa4E.bat
| MD5 | aa326d8c433a4eb8b745c36719b4c6a9 |
| SHA1 | 5ba1836f4c51105661cd0900b3c53db8c870f84a |
| SHA256 | 398ec8488d5b76670f9d75ad37781235ef65cb6d63b5ea332ad751401c0f9470 |
| SHA512 | aa23cf453b15661a8a347e7c72461c28daace9b76d566481528197928bd0c269f5088924aed5b8cbcc7526de6c97abc0e8d301171429ade4c125b63218a5cead |
memory/1556-26-0x0000000001570000-0x0000000001582000-memory.dmp