dcrat | ebb9080cbe7959357068968fa5a49fb5bd509315b020484f19f2de0d4a760d3f

Analysis

max time kernel
98s
max time network
99s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
01/01/2025, 04:28

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General

Target
Catlavan (123).zip
Size 72.6MB
Sample250101-e3r31sxlam
SHA256 ebb9080cbe7959357068968fa5a49fb5bd509315b020484f19f2de0d4a760d3f
MD5 9ed7eceb0e2042f208d9be327db8014b
SHA1 82c7d07c54aa796025781f8b31cbaace7310653a
SHA512 cd020b695873f21e28c4510157761293f6753d18b6bd5785da283e3aa145358f968385576dc7377d79ddac996f202b5cc5d42c0f9d1fb50d78f0b3115a51691d
SSDEEP 1572864:7VtR03WSs13H3FjDJwHcEJHdxlBNNPrAnQK6oFDR:7nR0GSsxH3FBBQ9RWdtR
MD5 SHA1 SHA512 SSDEEP

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 51 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	3268	3120	schtasks.exe	92
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4000	3120	schtasks.exe	92
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4712	3120	schtasks.exe	92
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	3868	3120	schtasks.exe	92
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4436	3120	schtasks.exe	92
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1292	3120	schtasks.exe	92
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	3556	3120	schtasks.exe	92
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4744	3120	schtasks.exe	92
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1776	3120	schtasks.exe	92
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2444	3120	schtasks.exe	92
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	3172	3120	schtasks.exe	92
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4956	3120	schtasks.exe	92
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	3964	3120	schtasks.exe	92
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1344	3120	schtasks.exe	92
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4496	3120	schtasks.exe	92
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4564	3120	schtasks.exe	92
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1224	3120	schtasks.exe	92
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	3900	3120	schtasks.exe	92
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	852	3120	schtasks.exe	92
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2960	3120	schtasks.exe	92
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4612	3120	schtasks.exe	92
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	3620	3120	schtasks.exe	92
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1392	3120	schtasks.exe	92
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2372	3120	schtasks.exe	92
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	936	3120	schtasks.exe	92
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1116	3120	schtasks.exe	92
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1980	3120	schtasks.exe	92
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	3984	3120	schtasks.exe	92
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2732	3120	schtasks.exe	92
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1296	3120	schtasks.exe	92
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	988	3120	schtasks.exe	92
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2448	3120	schtasks.exe	92
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2592	3120	schtasks.exe	92
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1812	3120	schtasks.exe	92
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4120	3120	schtasks.exe	92
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2856	3120	schtasks.exe	92
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4580	3120	schtasks.exe	92
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	3672	3120	schtasks.exe	92
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1424	3120	schtasks.exe	92
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	3712	3120	schtasks.exe	92
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	3644	3120	schtasks.exe	92
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4040	3120	schtasks.exe	92
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4504	3120	schtasks.exe	92
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	3640	3120	schtasks.exe	92
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	3092	3120	schtasks.exe	92
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2864	3120	schtasks.exe	92
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	3064	3120	schtasks.exe	92
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4316	3120	schtasks.exe	92
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	3688	3120	schtasks.exe	92
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	3304	3120	schtasks.exe	92
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1496	3120	schtasks.exe	92

DCRat payload 3 IoCs

Detects payload of DCRat, commonly dropped by NSIS installers.

rat

resource	yara_rule
behavioral1/files/0x0007000000023cb4-242.dat	dcrat
behavioral1/files/0x0007000000023cd0-253.dat	dcrat
behavioral1/memory/4204-256-0x0000000000430000-0x000000000068C000-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-1-5-21-1045960512-3948844814-3059691613-1000\Control Panel\International\Geo\Nation	start.bat
Key value queried	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Control Panel\International\Geo\Nation	WScript.exe
Key value queried	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Control Panel\International\Geo\Nation	portreviewInto.exe

Executes dropped EXE 3 IoCs

pid	Process
1440	start.bat
4204	portreviewInto.exe
1528	TrustedInstaller.exe

Looks up external IP address via web service 2 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
41	ipinfo.io
40	ipinfo.io

Drops file in Program Files directory 17 IoCs

description	ioc	Process
File created	C:\Program Files\Internet Explorer\images\OfficeClickToRun.exe	portreviewInto.exe
File created	C:\Program Files (x86)\Windows Photo Viewer\it-IT\66fc9ff0ee96c2	portreviewInto.exe
File created	C:\Program Files (x86)\Common Files\System\fr-FR\f3b6ecef712a24	portreviewInto.exe
File opened for modification	C:\Program Files (x86)\WindowsPowerShell\sysmon.exe	portreviewInto.exe
File created	C:\Program Files\Java\jre-1.8\lsass.exe	portreviewInto.exe
File created	C:\Program Files\Windows Media Player\66fc9ff0ee96c2	portreviewInto.exe
File created	C:\Program Files\Uninstall Information\6cb0b6c459d5d3	portreviewInto.exe
File created	C:\Program Files\Windows Mail\27d1bcfc3c54e0	portreviewInto.exe
File created	C:\Program Files (x86)\WindowsPowerShell\sysmon.exe	portreviewInto.exe
File created	C:\Program Files (x86)\WindowsPowerShell\121e5b5079f7c0	portreviewInto.exe
File created	C:\Program Files\Internet Explorer\images\e6c9b481da804f	portreviewInto.exe
File created	C:\Program Files (x86)\Windows Photo Viewer\it-IT\sihost.exe	portreviewInto.exe
File created	C:\Program Files\Windows Mail\System.exe	portreviewInto.exe
File created	C:\Program Files\Java\jre-1.8\6203df4a6bafc7	portreviewInto.exe
File created	C:\Program Files\Windows Media Player\sihost.exe	portreviewInto.exe
File created	C:\Program Files\Uninstall Information\dwm.exe	portreviewInto.exe
File created	C:\Program Files (x86)\Common Files\System\fr-FR\spoolsv.exe	portreviewInto.exe

Drops file in Windows directory 6 IoCs

description	ioc	Process
File created	C:\Windows\DiagTrack\Scenarios\WmiPrvSE.exe	portreviewInto.exe
File created	C:\Windows\DiagTrack\Scenarios\24dbde2999530e	portreviewInto.exe
File created	C:\Windows\bcastdvr\TiWorker.exe	portreviewInto.exe
File created	C:\Windows\bcastdvr\cd89ddd3d81b06	portreviewInto.exe
File created	C:\Windows\System\TrustedInstaller.exe	portreviewInto.exe
File created	C:\Windows\System\04c1e7795967e4	portreviewInto.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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	start.bat
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	WScript.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000_Classes\Local Settings	start.bat

Scheduled Task/Job: Scheduled Task 1 TTPs 51 IoCs

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

persistence execution

Scheduled Task

T1053.005

pid	Process
1296	schtasks.exe
988	schtasks.exe
2448	schtasks.exe
2592	schtasks.exe
4316	schtasks.exe
1116	schtasks.exe
2960	schtasks.exe
3620	schtasks.exe
4120	schtasks.exe
2864	schtasks.exe
3964	schtasks.exe
4436	schtasks.exe
1292	schtasks.exe
4496	schtasks.exe
3984	schtasks.exe
3868	schtasks.exe
1424	schtasks.exe
4040	schtasks.exe
3556	schtasks.exe
4564	schtasks.exe
1224	schtasks.exe
2732	schtasks.exe
4580	schtasks.exe
3712	schtasks.exe
3064	schtasks.exe
3304	schtasks.exe
3268	schtasks.exe
1496	schtasks.exe
3900	schtasks.exe
852	schtasks.exe
1980	schtasks.exe
3672	schtasks.exe
3640	schtasks.exe
3688	schtasks.exe
4000	schtasks.exe
4744	schtasks.exe
4612	schtasks.exe
2372	schtasks.exe
936	schtasks.exe
4712	schtasks.exe
2444	schtasks.exe
3172	schtasks.exe
4956	schtasks.exe
1344	schtasks.exe
1392	schtasks.exe
1812	schtasks.exe
2856	schtasks.exe
1776	schtasks.exe
4504	schtasks.exe
3092	schtasks.exe
3644	schtasks.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4204	portreviewInto.exe
4204	portreviewInto.exe
4204	portreviewInto.exe
4204	portreviewInto.exe
4204	portreviewInto.exe
4204	portreviewInto.exe
4204	portreviewInto.exe
4204	portreviewInto.exe
4204	portreviewInto.exe
4204	portreviewInto.exe
4204	portreviewInto.exe
1528	TrustedInstaller.exe
1528	TrustedInstaller.exe
1528	TrustedInstaller.exe
1528	TrustedInstaller.exe
1528	TrustedInstaller.exe
1528	TrustedInstaller.exe
1528	TrustedInstaller.exe
1528	TrustedInstaller.exe
1528	TrustedInstaller.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2004	7zFM.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

description	pid	Process
Token: SeRestorePrivilege	2004	7zFM.exe
Token: 35	2004	7zFM.exe
Token: SeSecurityPrivilege	2004	7zFM.exe
Token: SeDebugPrivilege	4204	portreviewInto.exe
Token: SeDebugPrivilege	1528	TrustedInstaller.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
2004	7zFM.exe
2004	7zFM.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 1440 wrote to memory of 1420	1440	start.bat	103
PID 1440 wrote to memory of 1420	1440	start.bat	103
PID 1440 wrote to memory of 1420	1440	start.bat	103
PID 1420 wrote to memory of 2812	1420	WScript.exe	107
PID 1420 wrote to memory of 2812	1420	WScript.exe	107
PID 1420 wrote to memory of 2812	1420	WScript.exe	107
PID 2812 wrote to memory of 4204	2812	cmd.exe	109
PID 2812 wrote to memory of 4204	2812	cmd.exe	109
PID 4204 wrote to memory of 1528	4204	portreviewInto.exe	161
PID 4204 wrote to memory of 1528	4204	portreviewInto.exe	161

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:\Program Files\7-Zip\7zFM.exe
"C:\Program Files\7-Zip\7zFM.exe" "C:\Users\Admin\AppData\Local\Temp\Catlavan (123).zip"
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
PID:2004

C:\Windows\System32\rundll32.exe
C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
1⤵
PID:1696

C:\Users\Admin\Desktop\Catlavan\Catlavan\start.bat
"C:\Users\Admin\Desktop\Catlavan\Catlavan\start.bat"
1⤵
- Checks computer location settings
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:1440
- C:\Windows\SysWOW64\WScript.exe
  "C:\Windows\System32\WScript.exe" "C:\chainsessionDllDhcp\xM8ESY8sdIah7bNyYoVZ.vbe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1420
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\chainsessionDllDhcp\rj5ZJ3SNSWT78hrDN99xbCR8AR.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2812
  - - C:\chainsessionDllDhcp\portreviewInto.exe
      "C:\chainsessionDllDhcp\portreviewInto.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:4204
    - - C:\Windows\System\TrustedInstaller.exe
        
        "C:\Windows\System\TrustedInstaller.exe"
        5⤵
        Executes dropped EXE
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of AdjustPrivilegeToken
        
        PID:1528

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "sysmons" /sc MINUTE /mo 10 /tr "'C:\Program Files (x86)\WindowsPowerShell\sysmon.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:3268

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "sysmon" /sc ONLOGON /tr "'C:\Program Files (x86)\WindowsPowerShell\sysmon.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1496

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "sysmons" /sc MINUTE /mo 6 /tr "'C:\Program Files (x86)\WindowsPowerShell\sysmon.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:3304

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "cmdc" /sc MINUTE /mo 5 /tr "'C:\Recovery\WindowsRE\cmd.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:3688

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "cmd" /sc ONLOGON /tr "'C:\Recovery\WindowsRE\cmd.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4316

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "cmdc" /sc MINUTE /mo 11 /tr "'C:\Recovery\WindowsRE\cmd.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4000

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "conhostc" /sc MINUTE /mo 14 /tr "'C:\chainsessionDllDhcp\conhost.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:3064

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "conhost" /sc ONLOGON /tr "'C:\chainsessionDllDhcp\conhost.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4712

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "conhostc" /sc MINUTE /mo 14 /tr "'C:\chainsessionDllDhcp\conhost.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 "TrustedInstallerT" /sc MINUTE /mo 13 /tr "'C:\Windows\System\TrustedInstaller.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2864

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "TrustedInstaller" /sc ONLOGON /tr "'C:\Windows\System\TrustedInstaller.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:3092

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "TrustedInstallerT" /sc MINUTE /mo 6 /tr "'C:\Windows\System\TrustedInstaller.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4436

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "RuntimeBrokerR" /sc MINUTE /mo 7 /tr "'C:\Users\Default\Favorites\RuntimeBroker.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:3640

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "RuntimeBroker" /sc ONLOGON /tr "'C:\Users\Default\Favorites\RuntimeBroker.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4504

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "RuntimeBrokerR" /sc MINUTE /mo 11 /tr "'C:\Users\Default\Favorites\RuntimeBroker.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1292

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "OfficeClickToRunO" /sc MINUTE /mo 11 /tr "'C:\Program Files\Internet Explorer\images\OfficeClickToRun.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4040

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "OfficeClickToRun" /sc ONLOGON /tr "'C:\Program Files\Internet Explorer\images\OfficeClickToRun.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:3644

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "OfficeClickToRunO" /sc MINUTE /mo 6 /tr "'C:\Program Files\Internet Explorer\images\OfficeClickToRun.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:3712

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "sihosts" /sc MINUTE /mo 13 /tr "'C:\Program Files (x86)\Windows Photo Viewer\it-IT\sihost.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4744

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "sihost" /sc ONLOGON /tr "'C:\Program Files (x86)\Windows Photo Viewer\it-IT\sihost.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:3556

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "sihosts" /sc MINUTE /mo 10 /tr "'C:\Program Files (x86)\Windows Photo Viewer\it-IT\sihost.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1776

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "WmiPrvSEW" /sc MINUTE /mo 7 /tr "'C:\Windows\DiagTrack\Scenarios\WmiPrvSE.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2444

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "WmiPrvSE" /sc ONLOGON /tr "'C:\Windows\DiagTrack\Scenarios\WmiPrvSE.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:3172

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "WmiPrvSEW" /sc MINUTE /mo 12 /tr "'C:\Windows\DiagTrack\Scenarios\WmiPrvSE.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1424

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "lsassl" /sc MINUTE /mo 9 /tr "'C:\Program Files\Java\jre-1.8\lsass.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4956

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "lsass" /sc ONLOGON /tr "'C:\Program Files\Java\jre-1.8\lsass.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:3672

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "lsassl" /sc MINUTE /mo 7 /tr "'C:\Program Files\Java\jre-1.8\lsass.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:3964

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "RuntimeBrokerR" /sc MINUTE /mo 10 /tr "'C:\Users\All Users\Documents\RuntimeBroker.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1344

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "RuntimeBroker" /sc ONLOGON /tr "'C:\Users\All Users\Documents\RuntimeBroker.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4496

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "RuntimeBrokerR" /sc MINUTE /mo 9 /tr "'C:\Users\All Users\Documents\RuntimeBroker.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4580

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "conhostc" /sc MINUTE /mo 12 /tr "'C:\Users\Default\My Documents\conhost.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4564

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "conhost" /sc ONLOGON /tr "'C:\Users\Default\My Documents\conhost.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2856

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "conhostc" /sc MINUTE /mo 11 /tr "'C:\Users\Default\My Documents\conhost.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1224

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "sihosts" /sc MINUTE /mo 6 /tr "'C:\Program Files\Windows Media Player\sihost.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4120

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "sihost" /sc ONLOGON /tr "'C:\Program Files\Windows Media Player\sihost.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 "sihosts" /sc MINUTE /mo 14 /tr "'C:\Program Files\Windows Media Player\sihost.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:3900

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "dwmd" /sc MINUTE /mo 14 /tr "'C:\Program Files\Uninstall Information\dwm.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:852

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "dwm" /sc ONLOGON /tr "'C:\Program Files\Uninstall Information\dwm.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2960

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "dwmd" /sc MINUTE /mo 5 /tr "'C:\Program Files\Uninstall Information\dwm.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1296

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "TiWorkerT" /sc MINUTE /mo 12 /tr "'C:\Windows\bcastdvr\TiWorker.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2732

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "TiWorker" /sc ONLOGON /tr "'C:\Windows\bcastdvr\TiWorker.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 "TiWorkerT" /sc MINUTE /mo 7 /tr "'C:\Windows\bcastdvr\TiWorker.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1116

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "spoolsvs" /sc MINUTE /mo 13 /tr "'C:\Program Files (x86)\Common Files\System\fr-FR\spoolsv.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4612

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "spoolsv" /sc ONLOGON /tr "'C:\Program Files (x86)\Common Files\System\fr-FR\spoolsv.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:3620

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "spoolsvs" /sc MINUTE /mo 7 /tr "'C:\Program Files (x86)\Common Files\System\fr-FR\spoolsv.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2372

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "fontdrvhostf" /sc MINUTE /mo 13 /tr "'C:\chainsessionDllDhcp\fontdrvhost.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1392

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "fontdrvhost" /sc ONLOGON /tr "'C:\chainsessionDllDhcp\fontdrvhost.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:936

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "fontdrvhostf" /sc MINUTE /mo 12 /tr "'C:\chainsessionDllDhcp\fontdrvhost.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1980

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "SystemS" /sc MINUTE /mo 12 /tr "'C:\Program Files\Windows Mail\System.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1812

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "System" /sc ONLOGON /tr "'C:\Program Files\Windows Mail\System.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2592

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "SystemS" /sc MINUTE /mo 12 /tr "'C:\Program Files\Windows Mail\System.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2448

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

start.bat

Path C:\Users\Admin\Desktop\Catlavan\Catlavan\start.bat
Size 2.6MB
SHA256 820d81b9cb22967ddcb050ccba99884fd1bb82a281948f5862c163e272742996
MD5 776c16b06df66f1c4be2a1649f432a03
SHA1 23bd219e56bd406b5da6eafa43a141b283284192
SHA512 58aab25d7530538181b1b8133b56e8c0f8ae330c4a3139cdd1d7822c93ab011d71b93c032b5538df8135c3b62497a1ae775c5b1fcce2a4601000713f68161b16
SSDEEP 49152:UbA30KTbb4VMY241Z8smwqedJ7pral5m8BMLrLVKQwpb0ZavXe3W:UbeTb0VML41Q3s/I5m8obwpbqeXe3W
MD5 SHA1 SHA512 SSDEEP

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portreviewInto.exe

Path C:\chainsessionDllDhcp\portreviewInto.exe
Size 2.3MB
SHA256 78f35d0f29934d70250ddf7d338da3f1cdb54b99f7e6f8488f611927868fe8d8
MD5 be7d89a835727d00151c7a5d7971d240
SHA1 d6212e1408b274200954edb5c2eba72e15759765
SHA512 b95aa0c6fb7cab851b29f71528b6f85e824e268d33e589867683d2a70c4ddf12a42638810fb8df6cadc85d9d8764f2730dbdd16a1b5775f2ae80c64f858e73fc
SSDEEP 49152:OTbb4VMY241Z8smwqedJ7pral5m8BMLrLVKQwpb0ZavXe3:OTb0VML41Q3s/I5m8obwpbqeXe3
MD5 SHA1 SHA512 SSDEEP

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rj5ZJ3SNSWT78hrDN99xbCR8AR.bat

Path C:\chainsessionDllDhcp\rj5ZJ3SNSWT78hrDN99xbCR8AR.bat
Size 54B
SHA256 d99f6b8a5b077582dfa33cdf698b49048f2c5950f555ec69fe298d5c8a6ccd17
MD5 bb16c233b0e608d8851adb6ec35e64ad
SHA1 ddfc41308f72181a12edcabfb8b317de198cd3d7
SHA512 bb5f1c1135d89d8b8b623e93ae5155669ab97932be2b17a0e9212e9d54f1797d69a99d251a8a98c23747869aaf549a7804d1b5b175cc2bad28a4f13f826728d3
MD5 SHA1 SHA512

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xM8ESY8sdIah7bNyYoVZ.vbe

Path C:\chainsessionDllDhcp\xM8ESY8sdIah7bNyYoVZ.vbe
Size 233B
SHA256 6d17b80e780d8cdf07f8c92d264ba4ef36cd39c0c0675890ebbedf19f02358da
MD5 96ca46662a354d7ffcd2cb621cfb0860
SHA1 dad01a3e24c123cd6b1ad732adaa04c498d85e1a
SHA512 afe8ac59b5edfbd6c99578aeba278715e46d298c12af511e5fcf18acb327db050809aec7ca088bf19374eb21fb2a88dc271ec353efbe448813565128e0ae66e2
MD5 SHA1 SHA512

Submit Download

memory/1528-312-0x00000000032C0000-0x00000000032D2000-memory.dmp

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memory/1528-311-0x000000001C2C0000-0x000000001C316000-memory.dmp

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memory/4204-260-0x000000001B2F0000-0x000000001B346000-memory.dmp

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memory/4204-258-0x000000001B340000-0x000000001B390000-memory.dmp

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memory/4204-259-0x00000000027B0000-0x00000000027C6000-memory.dmp

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memory/4204-261-0x00000000027D0000-0x00000000027E2000-memory.dmp

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memory/4204-265-0x000000001B9D0000-0x000000001B9DC000-memory.dmp

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memory/4204-264-0x000000001B8C0000-0x000000001B8C8000-memory.dmp

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memory/4204-263-0x0000000002800000-0x000000000280E000-memory.dmp

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memory/4204-262-0x000000001C1F0000-0x000000001C718000-memory.dmp

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memory/4204-257-0x0000000002790000-0x00000000027AC000-memory.dmp

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memory/4204-256-0x0000000000430000-0x000000000068C000-memory.dmp

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