Analysis Overview
SHA256
f139ad1c83bf27b6ca402476829a81f311f19b98b655bbaca32ef3c8c5aa7550
Threat Level: Known bad
The file 4b4fbd1058bad316a931918769027276.exe was found to be: Known bad.
Malicious Activity Summary
Dcrat family
DcRat
DCRat payload
Process spawned unexpected child process
DCRat payload
Executes dropped EXE
Checks computer location settings
Drops file in Windows directory
Drops file in Program Files directory
Unsigned PE
Enumerates physical storage devices
Creates scheduled task(s)
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
Uses Task Scheduler COM API
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-06-17 11:31
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
2024-06-17 11:31
Reported
2024-06-17 11:33
Platform
win7-20240508-en
Max time kernel
120s
Max time network
121s
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 |
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:\Windows\IME\es-ES\lsm.exe | N/A |
Drops file in Program Files directory
| Description | Indicator | Process | Target |
| File created | C:\Program Files (x86)\Windows Defender\en-US\Idle.exe | C:\Users\Admin\AppData\Local\Temp\4b4fbd1058bad316a931918769027276.exe | N/A |
| File created | C:\Program Files (x86)\Windows Defender\en-US\6ccacd8608530f | C:\Users\Admin\AppData\Local\Temp\4b4fbd1058bad316a931918769027276.exe | N/A |
| File created | C:\Program Files (x86)\MSBuild\csrss.exe | C:\Users\Admin\AppData\Local\Temp\4b4fbd1058bad316a931918769027276.exe | N/A |
| File opened for modification | C:\Program Files\Windows Photo Viewer\it-IT\Idle.exe | C:\Users\Admin\AppData\Local\Temp\4b4fbd1058bad316a931918769027276.exe | N/A |
| File created | C:\Program Files\Windows Photo Viewer\it-IT\6ccacd8608530f | C:\Users\Admin\AppData\Local\Temp\4b4fbd1058bad316a931918769027276.exe | N/A |
| File created | C:\Program Files (x86)\Microsoft Sync Framework\v1.0\csrss.exe | C:\Users\Admin\AppData\Local\Temp\4b4fbd1058bad316a931918769027276.exe | N/A |
| File created | C:\Program Files (x86)\Microsoft Sync Framework\v1.0\886983d96e3d3e | C:\Users\Admin\AppData\Local\Temp\4b4fbd1058bad316a931918769027276.exe | N/A |
| File created | C:\Program Files (x86)\MSBuild\886983d96e3d3e | C:\Users\Admin\AppData\Local\Temp\4b4fbd1058bad316a931918769027276.exe | N/A |
| File created | C:\Program Files\Microsoft Office\Office14\1033\lsm.exe | C:\Users\Admin\AppData\Local\Temp\4b4fbd1058bad316a931918769027276.exe | N/A |
| File created | C:\Program Files\Microsoft Office\Office14\1033\101b941d020240 | C:\Users\Admin\AppData\Local\Temp\4b4fbd1058bad316a931918769027276.exe | N/A |
| File created | C:\Program Files\Windows Photo Viewer\it-IT\Idle.exe | C:\Users\Admin\AppData\Local\Temp\4b4fbd1058bad316a931918769027276.exe | N/A |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\TAPI\56085415360792 | C:\Users\Admin\AppData\Local\Temp\4b4fbd1058bad316a931918769027276.exe | N/A |
| File created | C:\Windows\IME\es-ES\lsm.exe | C:\Users\Admin\AppData\Local\Temp\4b4fbd1058bad316a931918769027276.exe | N/A |
| File created | C:\Windows\IME\es-ES\101b941d020240 | C:\Users\Admin\AppData\Local\Temp\4b4fbd1058bad316a931918769027276.exe | N/A |
| File created | C:\Windows\ShellNew\taskhost.exe | C:\Users\Admin\AppData\Local\Temp\4b4fbd1058bad316a931918769027276.exe | N/A |
| File created | C:\Windows\ShellNew\b75386f1303e64 | C:\Users\Admin\AppData\Local\Temp\4b4fbd1058bad316a931918769027276.exe | N/A |
| File created | C:\Windows\schemas\TSWorkSpace\dwm.exe | C:\Users\Admin\AppData\Local\Temp\4b4fbd1058bad316a931918769027276.exe | N/A |
| File created | C:\Windows\TAPI\wininit.exe | C:\Users\Admin\AppData\Local\Temp\4b4fbd1058bad316a931918769027276.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\4b4fbd1058bad316a931918769027276.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\4b4fbd1058bad316a931918769027276.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\4b4fbd1058bad316a931918769027276.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\4b4fbd1058bad316a931918769027276.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\4b4fbd1058bad316a931918769027276.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\4b4fbd1058bad316a931918769027276.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\4b4fbd1058bad316a931918769027276.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\4b4fbd1058bad316a931918769027276.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\4b4fbd1058bad316a931918769027276.exe | N/A |
| N/A | N/A | C:\Windows\IME\es-ES\lsm.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\4b4fbd1058bad316a931918769027276.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\IME\es-ES\lsm.exe | N/A |
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Processes
C:\Users\Admin\AppData\Local\Temp\4b4fbd1058bad316a931918769027276.exe
"C:\Users\Admin\AppData\Local\Temp\4b4fbd1058bad316a931918769027276.exe"
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "IdleI" /sc MINUTE /mo 5 /tr "'C:\Program Files\Windows Photo Viewer\it-IT\Idle.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "Idle" /sc ONLOGON /tr "'C:\Program Files\Windows Photo Viewer\it-IT\Idle.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "IdleI" /sc MINUTE /mo 6 /tr "'C:\Program Files\Windows Photo Viewer\it-IT\Idle.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "csrssc" /sc MINUTE /mo 10 /tr "'C:\Users\Admin\Local Settings\csrss.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "csrss" /sc ONLOGON /tr "'C:\Users\Admin\Local Settings\csrss.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "csrssc" /sc MINUTE /mo 13 /tr "'C:\Users\Admin\Local Settings\csrss.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "smsss" /sc MINUTE /mo 13 /tr "'C:\Users\All Users\Favorites\smss.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "smss" /sc ONLOGON /tr "'C:\Users\All Users\Favorites\smss.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "smsss" /sc MINUTE /mo 12 /tr "'C:\Users\All Users\Favorites\smss.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\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\csrss.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\csrss.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "wininitw" /sc MINUTE /mo 10 /tr "'C:\MSOCache\All Users\wininit.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "wininit" /sc ONLOGON /tr "'C:\MSOCache\All Users\wininit.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "wininitw" /sc MINUTE /mo 6 /tr "'C:\MSOCache\All Users\wininit.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "csrssc" /sc MINUTE /mo 5 /tr "'C:\Program Files (x86)\MSBuild\csrss.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "csrss" /sc ONLOGON /tr "'C:\Program Files (x86)\MSBuild\csrss.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "csrssc" /sc MINUTE /mo 10 /tr "'C:\Program Files (x86)\MSBuild\csrss.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "wininitw" /sc MINUTE /mo 5 /tr "'C:\Windows\TAPI\wininit.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "wininit" /sc ONLOGON /tr "'C:\Windows\TAPI\wininit.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "wininitw" /sc MINUTE /mo 7 /tr "'C:\Windows\TAPI\wininit.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "lsml" /sc MINUTE /mo 7 /tr "'C:\Program Files\Microsoft Office\Office14\1033\lsm.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "lsm" /sc ONLOGON /tr "'C:\Program Files\Microsoft Office\Office14\1033\lsm.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "lsml" /sc MINUTE /mo 5 /tr "'C:\Program Files\Microsoft Office\Office14\1033\lsm.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "lsml" /sc MINUTE /mo 8 /tr "'C:\Windows\IME\es-ES\lsm.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "lsm" /sc ONLOGON /tr "'C:\Windows\IME\es-ES\lsm.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "lsml" /sc MINUTE /mo 6 /tr "'C:\Windows\IME\es-ES\lsm.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "IdleI" /sc MINUTE /mo 14 /tr "'C:\Program Files (x86)\Windows Defender\en-US\Idle.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "Idle" /sc ONLOGON /tr "'C:\Program Files (x86)\Windows Defender\en-US\Idle.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "IdleI" /sc MINUTE /mo 7 /tr "'C:\Program Files (x86)\Windows Defender\en-US\Idle.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "IdleI" /sc MINUTE /mo 8 /tr "'C:\Recovery\50341a82-0d88-11ef-8a7e-5aba25856535\Idle.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "Idle" /sc ONLOGON /tr "'C:\Recovery\50341a82-0d88-11ef-8a7e-5aba25856535\Idle.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "IdleI" /sc MINUTE /mo 11 /tr "'C:\Recovery\50341a82-0d88-11ef-8a7e-5aba25856535\Idle.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "taskhostt" /sc MINUTE /mo 8 /tr "'C:\Windows\ShellNew\taskhost.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "taskhost" /sc ONLOGON /tr "'C:\Windows\ShellNew\taskhost.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "taskhostt" /sc MINUTE /mo 5 /tr "'C:\Windows\ShellNew\taskhost.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "4b4fbd1058bad316a9319187690272764" /sc MINUTE /mo 8 /tr "'C:\Users\Public\Videos\Sample Videos\4b4fbd1058bad316a931918769027276.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "4b4fbd1058bad316a931918769027276" /sc ONLOGON /tr "'C:\Users\Public\Videos\Sample Videos\4b4fbd1058bad316a931918769027276.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "4b4fbd1058bad316a9319187690272764" /sc MINUTE /mo 13 /tr "'C:\Users\Public\Videos\Sample Videos\4b4fbd1058bad316a931918769027276.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "spoolsvs" /sc MINUTE /mo 12 /tr "'C:\Users\Admin\Videos\spoolsv.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "spoolsv" /sc ONLOGON /tr "'C:\Users\Admin\Videos\spoolsv.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "spoolsvs" /sc MINUTE /mo 7 /tr "'C:\Users\Admin\Videos\spoolsv.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "dllhostd" /sc MINUTE /mo 7 /tr "'C:\Users\All Users\dllhost.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "dllhost" /sc ONLOGON /tr "'C:\Users\All Users\dllhost.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "dllhostd" /sc MINUTE /mo 7 /tr "'C:\Users\All Users\dllhost.exe'" /rl HIGHEST /f
C:\Windows\System32\cmd.exe
"C:\Windows\System32\cmd.exe" /C "C:\Users\Admin\AppData\Local\Temp\Cx8CK313yZ.bat"
C:\Windows\system32\w32tm.exe
w32tm /stripchart /computer:localhost /period:5 /dataonly /samples:2
C:\Windows\IME\es-ES\lsm.exe
"C:\Windows\IME\es-ES\lsm.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | cz61028.tw1.ru | udp |
| US | 8.8.8.8:53 | cz61028.tw1.ru | udp |
Files
memory/1580-0-0x000007FEF55F3000-0x000007FEF55F4000-memory.dmp
memory/1580-1-0x0000000000FE0000-0x00000000010DC000-memory.dmp
memory/1580-2-0x000007FEF55F0000-0x000007FEF5FDC000-memory.dmp
memory/1580-3-0x00000000001C0000-0x00000000001D2000-memory.dmp
memory/1580-4-0x00000000005F0000-0x00000000005FC000-memory.dmp
C:\MSOCache\All Users\wininit.exe
| MD5 | 4b4fbd1058bad316a931918769027276 |
| SHA1 | 598bbff84cfde0d002feeefd19dae6a20fcfcbf8 |
| SHA256 | f139ad1c83bf27b6ca402476829a81f311f19b98b655bbaca32ef3c8c5aa7550 |
| SHA512 | 108c4390dc8944f43579ff8c052207a441f036de68e99a6c41cb28f9d71a6a751e10f918b873dc177ba0a241b402980aed5c3a21003bce250d62fc3afc1e2344 |
C:\Users\Admin\AppData\Local\Temp\Cx8CK313yZ.bat
| MD5 | e1f0eaa10207ee5e1d8df6470f42c155 |
| SHA1 | 47be0c4fb53c323f6fc669892078bf6504ab1ebc |
| SHA256 | be78cfdb0e7cb20300a3fd2d11edb970c66b106d35cd15c11df8a79aecc40ff9 |
| SHA512 | 91e578f14a3534668f8eee1f878571c5b2922d105d324e151976f8406583e97b66499242d31b2b71e34a182c75c4f5cfcfad731a99b0a4b19ffa295f04b10b73 |
memory/1580-40-0x000007FEF55F0000-0x000007FEF5FDC000-memory.dmp
memory/3060-43-0x0000000000AF0000-0x0000000000BEC000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-17 11:31
Reported
2024-06-17 11:33
Platform
win10v2004-20240611-en
Max time kernel
150s
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 |
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-1-5-21-2080292272-204036150-2159171770-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\4b4fbd1058bad316a931918769027276.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\All Users\fontdrvhost.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 |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\4b4fbd1058bad316a931918769027276.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\4b4fbd1058bad316a931918769027276.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\4b4fbd1058bad316a931918769027276.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\4b4fbd1058bad316a931918769027276.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\4b4fbd1058bad316a931918769027276.exe | N/A |
| N/A | N/A | C:\Users\All Users\fontdrvhost.exe | N/A |
| N/A | N/A | C:\Users\All Users\fontdrvhost.exe | N/A |
| N/A | N/A | C:\Users\All Users\fontdrvhost.exe | N/A |
| N/A | N/A | C:\Users\All Users\fontdrvhost.exe | N/A |
| N/A | N/A | C:\Users\All Users\fontdrvhost.exe | N/A |
| N/A | N/A | C:\Users\All Users\fontdrvhost.exe | N/A |
| N/A | N/A | C:\Users\All Users\fontdrvhost.exe | N/A |
| N/A | N/A | C:\Users\All Users\fontdrvhost.exe | N/A |
| N/A | N/A | C:\Users\All Users\fontdrvhost.exe | N/A |
Suspicious behavior: GetForegroundWindowSpam
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\All Users\fontdrvhost.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\4b4fbd1058bad316a931918769027276.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\All Users\fontdrvhost.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 4836 wrote to memory of 856 | N/A | C:\Users\Admin\AppData\Local\Temp\4b4fbd1058bad316a931918769027276.exe | C:\Users\All Users\fontdrvhost.exe |
| PID 4836 wrote to memory of 856 | N/A | C:\Users\Admin\AppData\Local\Temp\4b4fbd1058bad316a931918769027276.exe | C:\Users\All Users\fontdrvhost.exe |
Uses Task Scheduler COM API
Processes
C:\Users\Admin\AppData\Local\Temp\4b4fbd1058bad316a931918769027276.exe
"C:\Users\Admin\AppData\Local\Temp\4b4fbd1058bad316a931918769027276.exe"
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "fontdrvhostf" /sc MINUTE /mo 14 /tr "'C:\Users\All Users\fontdrvhost.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "fontdrvhost" /sc ONLOGON /tr "'C:\Users\All Users\fontdrvhost.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "fontdrvhostf" /sc MINUTE /mo 11 /tr "'C:\Users\All Users\fontdrvhost.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "SearchAppS" /sc MINUTE /mo 5 /tr "'C:\Users\Default User\SearchApp.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "SearchApp" /sc ONLOGON /tr "'C:\Users\Default User\SearchApp.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "SearchAppS" /sc MINUTE /mo 9 /tr "'C:\Users\Default User\SearchApp.exe'" /rl HIGHEST /f
C:\Users\All Users\fontdrvhost.exe
"C:\Users\All Users\fontdrvhost.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 204.79.197.237:443 | g.bing.com | tcp |
| BE | 88.221.83.219:443 | www.bing.com | tcp |
| US | 8.8.8.8:53 | 138.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 237.197.79.204.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 43.58.199.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 219.83.221.88.in-addr.arpa | udp |
| 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 |
| US | 8.8.8.8:53 | 121.96.53.92.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 50.23.12.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 144.107.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 56.126.166.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 107.12.20.2.in-addr.arpa | 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 |
| US | 8.8.8.8:53 | 172.214.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 14.227.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 85.65.42.20.in-addr.arpa | udp |
Files
memory/4836-0-0x00007FFB6B643000-0x00007FFB6B645000-memory.dmp
memory/4836-1-0x0000000000780000-0x000000000087C000-memory.dmp
memory/4836-2-0x0000000001050000-0x0000000001062000-memory.dmp
memory/4836-3-0x00007FFB6B640000-0x00007FFB6C101000-memory.dmp
memory/4836-4-0x000000001C020000-0x000000001C548000-memory.dmp
memory/4836-5-0x0000000001060000-0x000000000106C000-memory.dmp
C:\ProgramData\fontdrvhost.exe
| MD5 | 4b4fbd1058bad316a931918769027276 |
| SHA1 | 598bbff84cfde0d002feeefd19dae6a20fcfcbf8 |
| SHA256 | f139ad1c83bf27b6ca402476829a81f311f19b98b655bbaca32ef3c8c5aa7550 |
| SHA512 | 108c4390dc8944f43579ff8c052207a441f036de68e99a6c41cb28f9d71a6a751e10f918b873dc177ba0a241b402980aed5c3a21003bce250d62fc3afc1e2344 |
memory/4836-21-0x00007FFB6B640000-0x00007FFB6C101000-memory.dmp
memory/856-22-0x00000000030B0000-0x00000000030C2000-memory.dmp