dcrat | 224c3666515e1602d6a4c8f6802d8ad2c597951e50cf4938e5ddc849702f1bd0

Resubmissions

13-01-2025 15:25

250113-st1kpawrdv 10

10-01-2025 12:54

250110-p5j6asxjdk 10

28-12-2024 02:09

241228-clcwnatnby 10

Analysis

max time kernel
94s
max time network
143s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
10-01-2025 12:54

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Report Analysis Logs

General

Target

224c3666515e1602d6a4c8f6802d8ad2c597951e50cf4938e5ddc849702f1bd0.exe
Size

1.1MB
MD5

c1ea7d9d2b92b29bb016dc0c82ce0136
SHA1

0490c1a2a2ab084cb03bbb494454380eb0a4063f
SHA256

224c3666515e1602d6a4c8f6802d8ad2c597951e50cf4938e5ddc849702f1bd0
SHA512

51e7c868dd506de81112d18004f2dff73b0ef7a1b7614e94977c9e389919451a3c4bdda2668358999d490ca650a340305674d7c89212a33e8d111a8064a7a116
SSDEEP

24576:U2G/nvxW3Ww0tLh6X9jiDf3b8goWoMSCUH0N:UbA30cQoSP

Score

10^/10

dcrat discovery infostealer rat

Malware Config

Signatures

DcRat
DarkCrystal(DC) is a new .NET RAT active since June 2019 capable of loading additional plugins.
rat infostealer dcrat
Dcrat family
dcrat

Process spawned unexpected child process 39 IoCs

This typically indicates the parent process was compromised via an exploit or macro.

description	pid	pid_target	Process	procid_target
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1176	2204	schtasks.exe	94
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1532	2204	schtasks.exe	94
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1124	2204	schtasks.exe	94
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2268	2204	schtasks.exe	94
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	3984	2204	schtasks.exe	94
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	3152	2204	schtasks.exe	94
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	3348	2204	schtasks.exe	94
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	3860	2204	schtasks.exe	94
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2148	2204	schtasks.exe	94
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	3572	2204	schtasks.exe	94
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	3048	2204	schtasks.exe	94
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	856	2204	schtasks.exe	94
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	3336	2204	schtasks.exe	94
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4852	2204	schtasks.exe	94
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2076	2204	schtasks.exe	94
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	3116	2204	schtasks.exe	94
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	784	2204	schtasks.exe	94
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4660	2204	schtasks.exe	94
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	3148	2204	schtasks.exe	94
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4748	2204	schtasks.exe	94
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4576	2204	schtasks.exe	94
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4376	2204	schtasks.exe	94
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	3868	2204	schtasks.exe	94
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	940	2204	schtasks.exe	94
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4736	2204	schtasks.exe	94
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	988	2204	schtasks.exe	94
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4608	2204	schtasks.exe	94
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	516	2204	schtasks.exe	94
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4668	2204	schtasks.exe	94
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4308	2204	schtasks.exe	94
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	220	2204	schtasks.exe	94
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4348	2204	schtasks.exe	94
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	3292	2204	schtasks.exe	94
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4544	2204	schtasks.exe	94
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	548	2204	schtasks.exe	94
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1440	2204	schtasks.exe	94
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1712	2204	schtasks.exe	94
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	552	2204	schtasks.exe	94
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4328	2204	schtasks.exe	94

DCRat payload 2 IoCs

Detects payload of DCRat, commonly dropped by NSIS installers.

rat

resource	yara_rule
behavioral1/files/0x0031000000023b76-10.dat	dcrat
behavioral1/memory/1796-13-0x0000000000420000-0x00000000004F6000-memory.dmp	dcrat

Checks computer location settings 2 TTPs 3 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Control Panel\International\Geo\Nation	hyperserversvc.exe
Key value queried	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Control Panel\International\Geo\Nation	224c3666515e1602d6a4c8f6802d8ad2c597951e50cf4938e5ddc849702f1bd0.exe
Key value queried	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Control Panel\International\Geo\Nation	WScript.exe

Executes dropped EXE 2 IoCs

pid	Process
1796	hyperserversvc.exe
2320	sihost.exe

Drops file in Program Files directory 8 IoCs

description	ioc	Process
File created	C:\Program Files\Microsoft Office\RuntimeBroker.exe	hyperserversvc.exe
File created	C:\Program Files\Microsoft Office\9e8d7a4ca61bd9	hyperserversvc.exe
File created	C:\Program Files\Uninstall Information\WaaSMedicAgent.exe	hyperserversvc.exe
File created	C:\Program Files\Uninstall Information\c82b8037eab33d	hyperserversvc.exe
File created	C:\Program Files\Windows Photo Viewer\fr-FR\cmd.exe	hyperserversvc.exe
File opened for modification	C:\Program Files\Windows Photo Viewer\fr-FR\cmd.exe	hyperserversvc.exe
File created	C:\Program Files\Windows Photo Viewer\fr-FR\ebf1f9fa8afd6d	hyperserversvc.exe
File created	C:\Program Files\WindowsApps\Microsoft.MicrosoftOfficeHub_18.1903.1152.0_neutral_split.scale-125_8wekyb3d8bbwe\microsoft.system.package.metadata\csrss.exe	hyperserversvc.exe

Drops file in Windows directory 4 IoCs

description	ioc	Process
File created	C:\Windows\debug\55b276f4edf653	hyperserversvc.exe
File created	C:\Windows\InputMethod\fontdrvhost.exe	hyperserversvc.exe
File created	C:\Windows\InputMethod\5b884080fd4f94	hyperserversvc.exe
File created	C:\Windows\debug\StartMenuExperienceHost.exe	hyperserversvc.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	WScript.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	224c3666515e1602d6a4c8f6802d8ad2c597951e50cf4938e5ddc849702f1bd0.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000_Classes\Local Settings	224c3666515e1602d6a4c8f6802d8ad2c597951e50cf4938e5ddc849702f1bd0.exe

Opens file in notepad (likely ransom note) 1 IoCs

ransomware

pid	Process
532	NOTEPAD.EXE

Scheduled Task/Job: Scheduled Task 1 TTPs 39 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
3152	schtasks.exe
3572	schtasks.exe
4736	schtasks.exe
4668	schtasks.exe
4308	schtasks.exe
3292	schtasks.exe
552	schtasks.exe
220	schtasks.exe
4608	schtasks.exe
1532	schtasks.exe
3984	schtasks.exe
3348	schtasks.exe
4852	schtasks.exe
784	schtasks.exe
3148	schtasks.exe
940	schtasks.exe
548	schtasks.exe
1440	schtasks.exe
2268	schtasks.exe
4748	schtasks.exe
4376	schtasks.exe
3868	schtasks.exe
516	schtasks.exe
4348	schtasks.exe
4328	schtasks.exe
4576	schtasks.exe
988	schtasks.exe
1712	schtasks.exe
1176	schtasks.exe
3860	schtasks.exe
2148	schtasks.exe
3048	schtasks.exe
2076	schtasks.exe
3116	schtasks.exe
856	schtasks.exe
1124	schtasks.exe
3336	schtasks.exe
4660	schtasks.exe
4544	schtasks.exe

Suspicious behavior: EnumeratesProcesses 13 IoCs

pid	Process
1796	hyperserversvc.exe
1796	hyperserversvc.exe
1796	hyperserversvc.exe
1796	hyperserversvc.exe
1796	hyperserversvc.exe
1796	hyperserversvc.exe
1796	hyperserversvc.exe
1796	hyperserversvc.exe
1796	hyperserversvc.exe
1796	hyperserversvc.exe
1796	hyperserversvc.exe
1796	hyperserversvc.exe
2320	sihost.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1796	hyperserversvc.exe
Token: SeDebugPrivilege	2320	sihost.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 4024 wrote to memory of 2944	4024	224c3666515e1602d6a4c8f6802d8ad2c597951e50cf4938e5ddc849702f1bd0.exe	83
PID 4024 wrote to memory of 2944	4024	224c3666515e1602d6a4c8f6802d8ad2c597951e50cf4938e5ddc849702f1bd0.exe	83
PID 4024 wrote to memory of 2944	4024	224c3666515e1602d6a4c8f6802d8ad2c597951e50cf4938e5ddc849702f1bd0.exe	83
PID 2944 wrote to memory of 1284	2944	WScript.exe	90
PID 2944 wrote to memory of 1284	2944	WScript.exe	90
PID 2944 wrote to memory of 1284	2944	WScript.exe	90
PID 1284 wrote to memory of 1796	1284	cmd.exe	92
PID 1284 wrote to memory of 1796	1284	cmd.exe	92
PID 1796 wrote to memory of 2320	1796	hyperserversvc.exe	135
PID 1796 wrote to memory of 2320	1796	hyperserversvc.exe	135

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012

C:\Users\Admin\AppData\Local\Temp\224c3666515e1602d6a4c8f6802d8ad2c597951e50cf4938e5ddc849702f1bd0.exe
"C:\Users\Admin\AppData\Local\Temp\224c3666515e1602d6a4c8f6802d8ad2c597951e50cf4938e5ddc849702f1bd0.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:4024
- C:\Windows\SysWOW64\WScript.exe
  "C:\Windows\System32\WScript.exe" "C:\crtnet\U4fZxuOVYXKrCZIgxMyzABwsANpU.vbe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2944
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\crtnet\Bnw1HgIbKGac.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:1284
  - - C:\crtnet\hyperserversvc.exe
      "C:\crtnet\hyperserversvc.exe"
      4⤵
      Checks computer location settings
      Executes dropped EXE
      Drops file in Program Files directory
      Drops file in Windows directory
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of WriteProcessMemory
      PID:1796
    - - C:\crtnet\sihost.exe
        
        "C:\crtnet\sihost.exe"
        5⤵
        Executes dropped EXE
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of AdjustPrivilegeToken
        
        PID:2320

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "cmdc" /sc MINUTE /mo 14 /tr "'C:\Program Files\Windows Photo Viewer\fr-FR\cmd.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1176

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "cmd" /sc ONLOGON /tr "'C:\Program Files\Windows Photo Viewer\fr-FR\cmd.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1532

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "cmdc" /sc MINUTE /mo 14 /tr "'C:\Program Files\Windows Photo Viewer\fr-FR\cmd.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1124

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "fontdrvhostf" /sc MINUTE /mo 14 /tr "'C:\Windows\InputMethod\fontdrvhost.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2268

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "fontdrvhost" /sc ONLOGON /tr "'C:\Windows\InputMethod\fontdrvhost.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:3984

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "fontdrvhostf" /sc MINUTE /mo 11 /tr "'C:\Windows\InputMethod\fontdrvhost.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:3152

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "conhostc" /sc MINUTE /mo 9 /tr "'C:\Users\All Users\USOShared\Logs\conhost.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:3348

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "conhost" /sc ONLOGON /tr "'C:\Users\All Users\USOShared\Logs\conhost.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:3860

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "conhostc" /sc MINUTE /mo 7 /tr "'C:\Users\All Users\USOShared\Logs\conhost.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2148

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "sihosts" /sc MINUTE /mo 10 /tr "'C:\crtnet\sihost.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:3572

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "sihost" /sc ONLOGON /tr "'C:\crtnet\sihost.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:3048

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "sihosts" /sc MINUTE /mo 9 /tr "'C:\crtnet\sihost.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:856

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "lsassl" /sc MINUTE /mo 8 /tr "'C:\crtnet\lsass.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:3336

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "lsass" /sc ONLOGON /tr "'C:\crtnet\lsass.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4852

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "lsassl" /sc MINUTE /mo 8 /tr "'C:\crtnet\lsass.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2076

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "conhostc" /sc MINUTE /mo 14 /tr "'C:\crtnet\conhost.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:3116

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "conhost" /sc ONLOGON /tr "'C:\crtnet\conhost.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:784

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "conhostc" /sc MINUTE /mo 10 /tr "'C:\crtnet\conhost.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4660

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "sysmons" /sc MINUTE /mo 7 /tr "'C:\Recovery\WindowsRE\sysmon.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:3148

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "sysmon" /sc ONLOGON /tr "'C:\Recovery\WindowsRE\sysmon.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4748

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "sysmons" /sc MINUTE /mo 10 /tr "'C:\Recovery\WindowsRE\sysmon.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4576

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "RuntimeBrokerR" /sc MINUTE /mo 8 /tr "'C:\Users\Default User\RuntimeBroker.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4376

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "RuntimeBroker" /sc ONLOGON /tr "'C:\Users\Default User\RuntimeBroker.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:3868

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "RuntimeBrokerR" /sc MINUTE /mo 5 /tr "'C:\Users\Default User\RuntimeBroker.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:940

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "StartMenuExperienceHostS" /sc MINUTE /mo 11 /tr "'C:\Windows\debug\StartMenuExperienceHost.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4736

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "StartMenuExperienceHost" /sc ONLOGON /tr "'C:\Windows\debug\StartMenuExperienceHost.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:988

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "StartMenuExperienceHostS" /sc MINUTE /mo 13 /tr "'C:\Windows\debug\StartMenuExperienceHost.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4608

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "RuntimeBrokerR" /sc MINUTE /mo 12 /tr "'C:\Program Files\Microsoft Office\RuntimeBroker.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:516

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "RuntimeBroker" /sc ONLOGON /tr "'C:\Program Files\Microsoft Office\RuntimeBroker.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4668

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "RuntimeBrokerR" /sc MINUTE /mo 10 /tr "'C:\Program Files\Microsoft Office\RuntimeBroker.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4308

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "WaaSMedicAgentW" /sc MINUTE /mo 11 /tr "'C:\Program Files\Uninstall Information\WaaSMedicAgent.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:220

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "WaaSMedicAgent" /sc ONLOGON /tr "'C:\Program Files\Uninstall Information\WaaSMedicAgent.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4348

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "WaaSMedicAgentW" /sc MINUTE /mo 14 /tr "'C:\Program Files\Uninstall Information\WaaSMedicAgent.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:3292

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "SppExtComObjS" /sc MINUTE /mo 10 /tr "'C:\crtnet\SppExtComObj.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4544

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "SppExtComObj" /sc ONLOGON /tr "'C:\crtnet\SppExtComObj.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:548

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "SppExtComObjS" /sc MINUTE /mo 5 /tr "'C:\crtnet\SppExtComObj.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1440

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "WaaSMedicAgentW" /sc MINUTE /mo 8 /tr "'C:\Users\Admin\WaaSMedicAgent.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1712

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "WaaSMedicAgent" /sc ONLOGON /tr "'C:\Users\Admin\WaaSMedicAgent.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:552

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "WaaSMedicAgentW" /sc MINUTE /mo 10 /tr "'C:\Users\Admin\WaaSMedicAgent.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4328

C:\Windows\System32\rundll32.exe
C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
1⤵
PID:4788

C:\Windows\System32\NOTEPAD.EXE
"C:\Windows\System32\NOTEPAD.EXE" C:\crtnet\Bnw1HgIbKGac.bat
1⤵
- Opens file in notepad (likely ransom note)
PID:532

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\crtnet\Bnw1HgIbKGac.bat

Filesize
30B

MD5
ad864158aece2c49b735cb6ddb40c692

SHA1
42cff4692d777de8a6e5dc42a48b95a00a4f74d0

SHA256
d788ee93f4876edfdcc51052ee21680b067fee9071f2efa752608fe39af39c84

SHA512
df2ce6df2fc21d23d91f869729c1bb5fbde0079d015d1b44a2679861a30a18b373bcdffe6f399964577a2b8f566d5373958c82e0917aa838b2e3f5705dc8e034

Download Submit
C:\crtnet\U4fZxuOVYXKrCZIgxMyzABwsANpU.vbe

Filesize
195B

MD5
d1e9f1bc4219b36665be0abca3f62ad2

SHA1
9ebf784c32f63049b3e39681015ee78350e04ee2

SHA256
8736f9684770146460caaf01b7cc432b2dcf9faf5d398b27f9f58cd86d87e978

SHA512
aeda85a9a5548a6eb44eb92c9839aa98e3e9932d9d0deb6a4fa9ec603438c85b38c1ab295cd10035b54e65453dd19da685457c82241caa369551df0ec75b2787

Download Submit
C:\crtnet\hyperserversvc.exe

Filesize
828KB

MD5
915963963f2bfe83c2f1a3a50cf042ca

SHA1
5b7ccdc34d46ff3d25752ae9f73ae6649e9ef791

SHA256
28c32ebbf807cd3ed0a35ead7bef99665da102a85bdfe0f91cf7f92d167dfd40

SHA512
7509a3ba3258848851c5315eecb1105ec10018c1012c244531a6250bcab84196378bd1fa9374c92ee3fa66f96433ddd17929875f37d2b272a97389abb6aa39b4

Download Submit
memory/1796-12-0x00007FFB7FBD3000-0x00007FFB7FBD5000-memory.dmp

Filesize
8KB

Download
memory/1796-13-0x0000000000420000-0x00000000004F6000-memory.dmp

Filesize
856KB

Download