dcrat | 56a7e805cd4b58f6771b5dc9bb86324657c1188ccc2cbe6f2a7698933c8ed795

General

Target

56a7e805cd4b58f6771b5dc9bb86324657c1188ccc2cbe6f2a7698933c8ed795.exe
Size

1.2MB
MD5

7cc28a958fbc5de59e50e489eb3e6d00
SHA1

76d044eee4b1592f868078837c29888b7f8daf28
SHA256

56a7e805cd4b58f6771b5dc9bb86324657c1188ccc2cbe6f2a7698933c8ed795
SHA512

f6d952c2d2dfe54f291886196f46878a7268a91512ecdcc09cfccfc5fbe06d25fd353e3ef36de13d6b47f98a129a30e2466a49cdcb3d9d946e5bf8be349455fc
SSDEEP

24576:pw21qwzs2PGLze66eAUr9tkTSY3kuii5nRO6d:pwYNVeFPkT0uii5n4U

Score

10^/10

dcrat infostealer persistence rat

Malware Config

Signatures

DcRat 21 IoCs

DarkCrystal(DC) is a new .NET RAT active since June 2019 capable of loading additional plugins.

rat infostealer dcrat

pid	Process
2552	schtasks.exe
2904	schtasks.exe
2784	schtasks.exe
2644	schtasks.exe
2728	schtasks.exe
2844	schtasks.exe
2720	schtasks.exe
1848	schtasks.exe
2660	schtasks.exe
1640	schtasks.exe
2804	schtasks.exe
664	schtasks.exe
2356	schtasks.exe
1804	schtasks.exe
2724	schtasks.exe
2216	schtasks.exe
2308	schtasks.exe
576	schtasks.exe
2880	schtasks.exe
2680	schtasks.exe
2592	schtasks.exe

Dcrat family
dcrat

Modifies WinLogon for persistence 2 TTPs 7 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\MSOCache\\All Users\\{90140000-0044-0409-0000-0000000FF1CE}-C\\WmiPrvSE.exe\", \"C:\\Users\\Admin\\spoolsv.exe\", \"C:\\Windows\\PLA\\Templates\\services.exe\", \"C:\\Program Files\\Java\\jre7\\csrss.exe\", \"C:\\MSOCache\\All Users\\csrss.exe\""	56a7e805cd4b58f6771b5dc9bb86324657c1188ccc2cbe6f2a7698933c8ed795.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\MSOCache\\All Users\\{90140000-0044-0409-0000-0000000FF1CE}-C\\WmiPrvSE.exe\", \"C:\\Users\\Admin\\spoolsv.exe\", \"C:\\Windows\\PLA\\Templates\\services.exe\", \"C:\\Program Files\\Java\\jre7\\csrss.exe\", \"C:\\MSOCache\\All Users\\csrss.exe\", \"C:\\Program Files (x86)\\Windows Photo Viewer\\fr-FR\\csrss.exe\""	56a7e805cd4b58f6771b5dc9bb86324657c1188ccc2cbe6f2a7698933c8ed795.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\MSOCache\\All Users\\{90140000-0044-0409-0000-0000000FF1CE}-C\\WmiPrvSE.exe\", \"C:\\Users\\Admin\\spoolsv.exe\", \"C:\\Windows\\PLA\\Templates\\services.exe\", \"C:\\Program Files\\Java\\jre7\\csrss.exe\", \"C:\\MSOCache\\All Users\\csrss.exe\", \"C:\\Program Files (x86)\\Windows Photo Viewer\\fr-FR\\csrss.exe\", \"C:\\Users\\Admin\\Local Settings\\dllhost.exe\""	56a7e805cd4b58f6771b5dc9bb86324657c1188ccc2cbe6f2a7698933c8ed795.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\MSOCache\\All Users\\{90140000-0044-0409-0000-0000000FF1CE}-C\\WmiPrvSE.exe\""	56a7e805cd4b58f6771b5dc9bb86324657c1188ccc2cbe6f2a7698933c8ed795.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\MSOCache\\All Users\\{90140000-0044-0409-0000-0000000FF1CE}-C\\WmiPrvSE.exe\", \"C:\\Users\\Admin\\spoolsv.exe\""	56a7e805cd4b58f6771b5dc9bb86324657c1188ccc2cbe6f2a7698933c8ed795.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\MSOCache\\All Users\\{90140000-0044-0409-0000-0000000FF1CE}-C\\WmiPrvSE.exe\", \"C:\\Users\\Admin\\spoolsv.exe\", \"C:\\Windows\\PLA\\Templates\\services.exe\""	56a7e805cd4b58f6771b5dc9bb86324657c1188ccc2cbe6f2a7698933c8ed795.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\MSOCache\\All Users\\{90140000-0044-0409-0000-0000000FF1CE}-C\\WmiPrvSE.exe\", \"C:\\Users\\Admin\\spoolsv.exe\", \"C:\\Windows\\PLA\\Templates\\services.exe\", \"C:\\Program Files\\Java\\jre7\\csrss.exe\""	56a7e805cd4b58f6771b5dc9bb86324657c1188ccc2cbe6f2a7698933c8ed795.exe

Process spawned unexpected child process 21 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	1848	2372	schtasks.exe	30
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2356	2372	schtasks.exe	30
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2680	2372	schtasks.exe	30
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2728	2372	schtasks.exe	30
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2844	2372	schtasks.exe	30
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2880	2372	schtasks.exe	30
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2720	2372	schtasks.exe	30
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2552	2372	schtasks.exe	30
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2904	2372	schtasks.exe	30
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2784	2372	schtasks.exe	30
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2724	2372	schtasks.exe	30
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2644	2372	schtasks.exe	30
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2592	2372	schtasks.exe	30
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2660	2372	schtasks.exe	30
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2216	2372	schtasks.exe	30
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2308	2372	schtasks.exe	30
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1640	2372	schtasks.exe	30
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1804	2372	schtasks.exe	30
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2804	2372	schtasks.exe	30
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	664	2372	schtasks.exe	30
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	576	2372	schtasks.exe	30

DCRat payload 3 IoCs

Detects payload of DCRat, commonly dropped by NSIS installers.

rat

resource	yara_rule
behavioral1/memory/1984-1-0x0000000000C30000-0x0000000000D70000-memory.dmp	dcrat
behavioral1/files/0x0005000000019496-15.dat	dcrat
behavioral1/memory/1548-30-0x0000000000920000-0x0000000000A60000-memory.dmp	dcrat

Executes dropped EXE 1 IoCs

pid	Process
1548	dllhost.exe

Adds Run key to start application 2 TTPs 14 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Program Files\\Java\\jre7\\csrss.exe\""	56a7e805cd4b58f6771b5dc9bb86324657c1188ccc2cbe6f2a7698933c8ed795.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\MSOCache\\All Users\\csrss.exe\""	56a7e805cd4b58f6771b5dc9bb86324657c1188ccc2cbe6f2a7698933c8ed795.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\dllhost = "\"C:\\Users\\Admin\\Local Settings\\dllhost.exe\""	56a7e805cd4b58f6771b5dc9bb86324657c1188ccc2cbe6f2a7698933c8ed795.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Windows\CurrentVersion\Run\spoolsv = "\"C:\\Users\\Admin\\spoolsv.exe\""	56a7e805cd4b58f6771b5dc9bb86324657c1188ccc2cbe6f2a7698933c8ed795.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Program Files (x86)\\Windows Photo Viewer\\fr-FR\\csrss.exe\""	56a7e805cd4b58f6771b5dc9bb86324657c1188ccc2cbe6f2a7698933c8ed795.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\MSOCache\\All Users\\csrss.exe\""	56a7e805cd4b58f6771b5dc9bb86324657c1188ccc2cbe6f2a7698933c8ed795.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Program Files (x86)\\Windows Photo Viewer\\fr-FR\\csrss.exe\""	56a7e805cd4b58f6771b5dc9bb86324657c1188ccc2cbe6f2a7698933c8ed795.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Windows\CurrentVersion\Run\dllhost = "\"C:\\Users\\Admin\\Local Settings\\dllhost.exe\""	56a7e805cd4b58f6771b5dc9bb86324657c1188ccc2cbe6f2a7698933c8ed795.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Windows\CurrentVersion\Run\WmiPrvSE = "\"C:\\MSOCache\\All Users\\{90140000-0044-0409-0000-0000000FF1CE}-C\\WmiPrvSE.exe\""	56a7e805cd4b58f6771b5dc9bb86324657c1188ccc2cbe6f2a7698933c8ed795.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\services = "\"C:\\Windows\\PLA\\Templates\\services.exe\""	56a7e805cd4b58f6771b5dc9bb86324657c1188ccc2cbe6f2a7698933c8ed795.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Windows\CurrentVersion\Run\services = "\"C:\\Windows\\PLA\\Templates\\services.exe\""	56a7e805cd4b58f6771b5dc9bb86324657c1188ccc2cbe6f2a7698933c8ed795.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Program Files\\Java\\jre7\\csrss.exe\""	56a7e805cd4b58f6771b5dc9bb86324657c1188ccc2cbe6f2a7698933c8ed795.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\WmiPrvSE = "\"C:\\MSOCache\\All Users\\{90140000-0044-0409-0000-0000000FF1CE}-C\\WmiPrvSE.exe\""	56a7e805cd4b58f6771b5dc9bb86324657c1188ccc2cbe6f2a7698933c8ed795.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\spoolsv = "\"C:\\Users\\Admin\\spoolsv.exe\""	56a7e805cd4b58f6771b5dc9bb86324657c1188ccc2cbe6f2a7698933c8ed795.exe

Drops file in Program Files directory 5 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\Windows Photo Viewer\fr-FR\csrss.exe	56a7e805cd4b58f6771b5dc9bb86324657c1188ccc2cbe6f2a7698933c8ed795.exe
File created	C:\Program Files (x86)\Windows Photo Viewer\fr-FR\886983d96e3d3e	56a7e805cd4b58f6771b5dc9bb86324657c1188ccc2cbe6f2a7698933c8ed795.exe
File created	C:\Program Files (x86)\Windows Media Player\Icons\wininit.exe	56a7e805cd4b58f6771b5dc9bb86324657c1188ccc2cbe6f2a7698933c8ed795.exe
File created	C:\Program Files\Java\jre7\csrss.exe	56a7e805cd4b58f6771b5dc9bb86324657c1188ccc2cbe6f2a7698933c8ed795.exe
File created	C:\Program Files\Java\jre7\886983d96e3d3e	56a7e805cd4b58f6771b5dc9bb86324657c1188ccc2cbe6f2a7698933c8ed795.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\PLA\Templates\services.exe	56a7e805cd4b58f6771b5dc9bb86324657c1188ccc2cbe6f2a7698933c8ed795.exe
File created	C:\Windows\PLA\Templates\c5b4cb5e9653cc	56a7e805cd4b58f6771b5dc9bb86324657c1188ccc2cbe6f2a7698933c8ed795.exe

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

System Information Discovery
T1082

Scheduled Task/Job: Scheduled Task 1 TTPs 21 IoCs

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

persistence execution

Scheduled Task

T1053.005

pid	Process
2216	schtasks.exe
1640	schtasks.exe
1848	schtasks.exe
2728	schtasks.exe
2552	schtasks.exe
2804	schtasks.exe
576	schtasks.exe
2720	schtasks.exe
2784	schtasks.exe
2644	schtasks.exe
1804	schtasks.exe
664	schtasks.exe
2680	schtasks.exe
2844	schtasks.exe
2880	schtasks.exe
2592	schtasks.exe
2660	schtasks.exe
2308	schtasks.exe
2356	schtasks.exe
2904	schtasks.exe
2724	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
1984	56a7e805cd4b58f6771b5dc9bb86324657c1188ccc2cbe6f2a7698933c8ed795.exe
1984	56a7e805cd4b58f6771b5dc9bb86324657c1188ccc2cbe6f2a7698933c8ed795.exe
1984	56a7e805cd4b58f6771b5dc9bb86324657c1188ccc2cbe6f2a7698933c8ed795.exe
1984	56a7e805cd4b58f6771b5dc9bb86324657c1188ccc2cbe6f2a7698933c8ed795.exe
1984	56a7e805cd4b58f6771b5dc9bb86324657c1188ccc2cbe6f2a7698933c8ed795.exe
1548	dllhost.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1984	56a7e805cd4b58f6771b5dc9bb86324657c1188ccc2cbe6f2a7698933c8ed795.exe
Token: SeDebugPrivilege	1548	dllhost.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1984 wrote to memory of 2824	1984	56a7e805cd4b58f6771b5dc9bb86324657c1188ccc2cbe6f2a7698933c8ed795.exe	52
PID 1984 wrote to memory of 2824	1984	56a7e805cd4b58f6771b5dc9bb86324657c1188ccc2cbe6f2a7698933c8ed795.exe	52
PID 1984 wrote to memory of 2824	1984	56a7e805cd4b58f6771b5dc9bb86324657c1188ccc2cbe6f2a7698933c8ed795.exe	52
PID 2824 wrote to memory of 2576	2824	cmd.exe	54
PID 2824 wrote to memory of 2576	2824	cmd.exe	54
PID 2824 wrote to memory of 2576	2824	cmd.exe	54
PID 2824 wrote to memory of 1548	2824	cmd.exe	55
PID 2824 wrote to memory of 1548	2824	cmd.exe	55
PID 2824 wrote to memory of 1548	2824	cmd.exe	55

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\56a7e805cd4b58f6771b5dc9bb86324657c1188ccc2cbe6f2a7698933c8ed795.exe
"C:\Users\Admin\AppData\Local\Temp\56a7e805cd4b58f6771b5dc9bb86324657c1188ccc2cbe6f2a7698933c8ed795.exe"
1⤵
- Modifies WinLogon for persistence
- Adds Run key to start application
- Drops file in Program Files directory
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1984
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /C "C:\Users\Admin\AppData\Local\Temp\uALbAHpr2g.bat"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2824
- - C:\Windows\system32\w32tm.exe
    w32tm /stripchart /computer:localhost /period:5 /dataonly /samples:2
    3⤵
    PID:2576
- - C:\Users\Admin\Local Settings\dllhost.exe
    "C:\Users\Admin\Local Settings\dllhost.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:1548

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "WmiPrvSEW" /sc MINUTE /mo 7 /tr "'C:\MSOCache\All Users\{90140000-0044-0409-0000-0000000FF1CE}-C\WmiPrvSE.exe'" /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1848

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "WmiPrvSE" /sc ONLOGON /tr "'C:\MSOCache\All Users\{90140000-0044-0409-0000-0000000FF1CE}-C\WmiPrvSE.exe'" /rl HIGHEST /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2356

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "WmiPrvSEW" /sc MINUTE /mo 6 /tr "'C:\MSOCache\All Users\{90140000-0044-0409-0000-0000000FF1CE}-C\WmiPrvSE.exe'" /rl HIGHEST /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2680

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "spoolsvs" /sc MINUTE /mo 14 /tr "'C:\Users\Admin\spoolsv.exe'" /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2728

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "spoolsv" /sc ONLOGON /tr "'C:\Users\Admin\spoolsv.exe'" /rl HIGHEST /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2844

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "spoolsvs" /sc MINUTE /mo 9 /tr "'C:\Users\Admin\spoolsv.exe'" /rl HIGHEST /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2880

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "servicess" /sc MINUTE /mo 13 /tr "'C:\Windows\PLA\Templates\services.exe'" /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2720

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "services" /sc ONLOGON /tr "'C:\Windows\PLA\Templates\services.exe'" /rl HIGHEST /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2552

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "servicess" /sc MINUTE /mo 6 /tr "'C:\Windows\PLA\Templates\services.exe'" /rl HIGHEST /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2904

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "csrssc" /sc MINUTE /mo 10 /tr "'C:\Program Files\Java\jre7\csrss.exe'" /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2784

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "csrss" /sc ONLOGON /tr "'C:\Program Files\Java\jre7\csrss.exe'" /rl HIGHEST /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2724

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "csrssc" /sc MINUTE /mo 5 /tr "'C:\Program Files\Java\jre7\csrss.exe'" /rl HIGHEST /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2644

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "csrssc" /sc MINUTE /mo 6 /tr "'C:\MSOCache\All Users\csrss.exe'" /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2592

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "csrss" /sc ONLOGON /tr "'C:\MSOCache\All Users\csrss.exe'" /rl HIGHEST /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2660

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "csrssc" /sc MINUTE /mo 7 /tr "'C:\MSOCache\All Users\csrss.exe'" /rl HIGHEST /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2216

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "csrssc" /sc MINUTE /mo 10 /tr "'C:\Program Files (x86)\Windows Photo Viewer\fr-FR\csrss.exe'" /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2308

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
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1640

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "csrssc" /sc MINUTE /mo 12 /tr "'C:\Program Files (x86)\Windows Photo Viewer\fr-FR\csrss.exe'" /rl HIGHEST /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1804

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "dllhostd" /sc MINUTE /mo 11 /tr "'C:\Users\Admin\Local Settings\dllhost.exe'" /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2804

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "dllhost" /sc ONLOGON /tr "'C:\Users\Admin\Local Settings\dllhost.exe'" /rl HIGHEST /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:664

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "dllhostd" /sc MINUTE /mo 14 /tr "'C:\Users\Admin\Local Settings\dllhost.exe'" /rl HIGHEST /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:576

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Boot or Logon Autostart Execution

2

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Winlogon Helper DLL

1

T1547.004

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Boot or Logon Autostart Execution

2

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Winlogon Helper DLL

1

T1547.004

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Defense Evasion

Modify Registry

2

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\MSOCache\All Users\csrss.exe

Filesize
1.2MB

MD5
7cc28a958fbc5de59e50e489eb3e6d00

SHA1
76d044eee4b1592f868078837c29888b7f8daf28

SHA256
56a7e805cd4b58f6771b5dc9bb86324657c1188ccc2cbe6f2a7698933c8ed795

SHA512
f6d952c2d2dfe54f291886196f46878a7268a91512ecdcc09cfccfc5fbe06d25fd353e3ef36de13d6b47f98a129a30e2466a49cdcb3d9d946e5bf8be349455fc

Download Submit
C:\Users\Admin\AppData\Local\Temp\uALbAHpr2g.bat

Filesize
206B

MD5
65cc409d2c23d107deee74075aef39c4

SHA1
8eb72dbda58b066472f668f2ed15a39cd8e682ba

SHA256
b40afb843b604bf3ce8592bd624a802052998111d4062ba03553b9b456847ea5

SHA512
ba4cd055dec55d9634935b5854fe92fc97fab5c49047a94c5cf00957ad6b565cd1ba669574e31cb1466d5435760d142c3162574ec1a42e97332ac8c5668acc98

Download Submit
memory/1548-30-0x0000000000920000-0x0000000000A60000-memory.dmp

Filesize
1.2MB

Download
memory/1984-0-0x000007FEF6113000-0x000007FEF6114000-memory.dmp

Filesize
4KB

Download
memory/1984-1-0x0000000000C30000-0x0000000000D70000-memory.dmp

Filesize
1.2MB

Download
memory/1984-2-0x000007FEF6110000-0x000007FEF6AFC000-memory.dmp

Filesize
9.9MB

Download
memory/1984-3-0x0000000000340000-0x000000000035C000-memory.dmp

Filesize
112KB

Download
memory/1984-4-0x0000000000360000-0x0000000000376000-memory.dmp

Filesize
88KB

Download
memory/1984-5-0x0000000000580000-0x0000000000592000-memory.dmp

Filesize
72KB

Download
memory/1984-6-0x0000000000590000-0x0000000000598000-memory.dmp

Filesize
32KB

Download
memory/1984-26-0x000007FEF6110000-0x000007FEF6AFC000-memory.dmp

Filesize
9.9MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads