dcrat | bd068366ec33c420f480a1085cf661ae74ab13ac83bda6ccc9997d5495bed125

Analysis

max time kernel
137s
max time network
149s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
22-01-2025 12:21

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

c8ce6fc2028745f5eaf01a412d06acaa.exe
Size

1.9MB
MD5

c8ce6fc2028745f5eaf01a412d06acaa
SHA1

4be17e69614ea35c4cd9939f84034e0e1e43a9a0
SHA256

bd068366ec33c420f480a1085cf661ae74ab13ac83bda6ccc9997d5495bed125
SHA512

6d9f45afdab9e5a062f7c0e89372f4c2c6f897acb76a0523d6b1620b0ccf0e827c8b5643650ee290f14fb9015c084e3866f01b9a1978104718b261a7b1523f05
SSDEEP

49152:bh8kL1nBcnwCcW2UUNUeZahEj6g3Kn7hRef6:bhMwFS+Ulz1nNRe

Score

10^/10

dcrat execution infostealer persistence rat spyware stealer

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

Modifies WinLogon for persistence 2 TTPs 6 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:\\Program Files\\Java\\jdk1.7.0_80\\db\\lib\\sppsvc.exe\""	c8ce6fc2028745f5eaf01a412d06acaa.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\Program Files\\Java\\jdk1.7.0_80\\db\\lib\\sppsvc.exe\", \"C:\\Program Files\\Microsoft Games\\Purble Place\\ja-JP\\services.exe\""	c8ce6fc2028745f5eaf01a412d06acaa.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\Program Files\\Java\\jdk1.7.0_80\\db\\lib\\sppsvc.exe\", \"C:\\Program Files\\Microsoft Games\\Purble Place\\ja-JP\\services.exe\", \"C:\\Windows\\Branding\\Basebrd\\WmiPrvSE.exe\""	c8ce6fc2028745f5eaf01a412d06acaa.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\Program Files\\Java\\jdk1.7.0_80\\db\\lib\\sppsvc.exe\", \"C:\\Program Files\\Microsoft Games\\Purble Place\\ja-JP\\services.exe\", \"C:\\Windows\\Branding\\Basebrd\\WmiPrvSE.exe\", \"C:\\Recovery\\20e7eb62-69f6-11ef-be0c-62cb582c238c\\audiodg.exe\""	c8ce6fc2028745f5eaf01a412d06acaa.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\Program Files\\Java\\jdk1.7.0_80\\db\\lib\\sppsvc.exe\", \"C:\\Program Files\\Microsoft Games\\Purble Place\\ja-JP\\services.exe\", \"C:\\Windows\\Branding\\Basebrd\\WmiPrvSE.exe\", \"C:\\Recovery\\20e7eb62-69f6-11ef-be0c-62cb582c238c\\audiodg.exe\", \"C:\\MSOCache\\All Users\\c8ce6fc2028745f5eaf01a412d06acaa.exe\""	c8ce6fc2028745f5eaf01a412d06acaa.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\Program Files\\Java\\jdk1.7.0_80\\db\\lib\\sppsvc.exe\", \"C:\\Program Files\\Microsoft Games\\Purble Place\\ja-JP\\services.exe\", \"C:\\Windows\\Branding\\Basebrd\\WmiPrvSE.exe\", \"C:\\Recovery\\20e7eb62-69f6-11ef-be0c-62cb582c238c\\audiodg.exe\", \"C:\\MSOCache\\All Users\\c8ce6fc2028745f5eaf01a412d06acaa.exe\", \"C:\\Users\\Admin\\AppData\\Local\\Temp\\c8ce6fc2028745f5eaf01a412d06acaa.exe\""	c8ce6fc2028745f5eaf01a412d06acaa.exe

Process spawned unexpected child process 18 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	2832	2568	schtasks.exe	30
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	3004	2568	schtasks.exe	30
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2752	2568	schtasks.exe	30
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1056	2568	schtasks.exe	30
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2632	2568	schtasks.exe	30
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2740	2568	schtasks.exe	30
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2176	2568	schtasks.exe	30
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2660	2568	schtasks.exe	30
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1632	2568	schtasks.exe	30
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	564	2568	schtasks.exe	30
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1820	2568	schtasks.exe	30
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1684	2568	schtasks.exe	30
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1204	2568	schtasks.exe	30
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1952	2568	schtasks.exe	30
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	316	2568	schtasks.exe	30
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	296	2568	schtasks.exe	30
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2944	2568	schtasks.exe	30
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2936	2568	schtasks.exe	30

Command and Scripting Interpreter: PowerShell 1 TTPs 6 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

pid	Process
1468	powershell.exe
2160	powershell.exe
1088	powershell.exe
1432	powershell.exe
1688	powershell.exe
860	powershell.exe

Executes dropped EXE 1 IoCs

pid	Process
2984	sppsvc.exe

Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Credentials from Web Browsers
T1555.003

Adds Run key to start application 2 TTPs 12 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Windows\CurrentVersion\Run\sppsvc = "\"C:\\Program Files\\Java\\jdk1.7.0_80\\db\\lib\\sppsvc.exe\""	c8ce6fc2028745f5eaf01a412d06acaa.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Windows\CurrentVersion\Run\services = "\"C:\\Program Files\\Microsoft Games\\Purble Place\\ja-JP\\services.exe\""	c8ce6fc2028745f5eaf01a412d06acaa.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\services = "\"C:\\Program Files\\Microsoft Games\\Purble Place\\ja-JP\\services.exe\""	c8ce6fc2028745f5eaf01a412d06acaa.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Windows\CurrentVersion\Run\WmiPrvSE = "\"C:\\Windows\\Branding\\Basebrd\\WmiPrvSE.exe\""	c8ce6fc2028745f5eaf01a412d06acaa.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\c8ce6fc2028745f5eaf01a412d06acaa = "\"C:\\MSOCache\\All Users\\c8ce6fc2028745f5eaf01a412d06acaa.exe\""	c8ce6fc2028745f5eaf01a412d06acaa.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Windows\CurrentVersion\Run\c8ce6fc2028745f5eaf01a412d06acaa = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\c8ce6fc2028745f5eaf01a412d06acaa.exe\""	c8ce6fc2028745f5eaf01a412d06acaa.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\c8ce6fc2028745f5eaf01a412d06acaa = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\c8ce6fc2028745f5eaf01a412d06acaa.exe\""	c8ce6fc2028745f5eaf01a412d06acaa.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\sppsvc = "\"C:\\Program Files\\Java\\jdk1.7.0_80\\db\\lib\\sppsvc.exe\""	c8ce6fc2028745f5eaf01a412d06acaa.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\WmiPrvSE = "\"C:\\Windows\\Branding\\Basebrd\\WmiPrvSE.exe\""	c8ce6fc2028745f5eaf01a412d06acaa.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Windows\CurrentVersion\Run\audiodg = "\"C:\\Recovery\\20e7eb62-69f6-11ef-be0c-62cb582c238c\\audiodg.exe\""	c8ce6fc2028745f5eaf01a412d06acaa.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\audiodg = "\"C:\\Recovery\\20e7eb62-69f6-11ef-be0c-62cb582c238c\\audiodg.exe\""	c8ce6fc2028745f5eaf01a412d06acaa.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Windows\CurrentVersion\Run\c8ce6fc2028745f5eaf01a412d06acaa = "\"C:\\MSOCache\\All Users\\c8ce6fc2028745f5eaf01a412d06acaa.exe\""	c8ce6fc2028745f5eaf01a412d06acaa.exe

Looks up external IP address via web service 3 IoCs

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

flow	ioc
4	ipinfo.io
5	ipinfo.io
12	ipinfo.io

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	\??\c:\Windows\System32\dzuhbf.exe	csc.exe
File created	\??\c:\Windows\System32\CSCEFACF78AFCF748F791F9B6CAE845878.TMP	csc.exe

Drops file in Program Files directory 4 IoCs

description	ioc	Process
File created	C:\Program Files\Microsoft Games\Purble Place\ja-JP\services.exe	c8ce6fc2028745f5eaf01a412d06acaa.exe
File created	C:\Program Files\Microsoft Games\Purble Place\ja-JP\c5b4cb5e9653cc	c8ce6fc2028745f5eaf01a412d06acaa.exe
File created	C:\Program Files\Java\jdk1.7.0_80\db\lib\sppsvc.exe	c8ce6fc2028745f5eaf01a412d06acaa.exe
File created	C:\Program Files\Java\jdk1.7.0_80\db\lib\0a1fd5f707cd16	c8ce6fc2028745f5eaf01a412d06acaa.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\Branding\Basebrd\24dbde2999530e	c8ce6fc2028745f5eaf01a412d06acaa.exe
File created	C:\Windows\Branding\Basebrd\WmiPrvSE.exe	c8ce6fc2028745f5eaf01a412d06acaa.exe

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

System Information Discovery
T1082

Modifies system certificate store 2 TTPs 2 IoCs

defense_evasion spyware trojan

Install Root Certificate

T1553.004

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates\CABD2A79A1076A31F21D253635CB039D4329A5E8	c8ce6fc2028745f5eaf01a412d06acaa.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates\CABD2A79A1076A31F21D253635CB039D4329A5E8\Blob = 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	c8ce6fc2028745f5eaf01a412d06acaa.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 18 IoCs

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

persistence execution

Scheduled Task

T1053.005

pid	Process
2944	schtasks.exe
3004	schtasks.exe
2752	schtasks.exe
564	schtasks.exe
1204	schtasks.exe
316	schtasks.exe
296	schtasks.exe
2936	schtasks.exe
2832	schtasks.exe
2740	schtasks.exe
1632	schtasks.exe
1684	schtasks.exe
1056	schtasks.exe
2176	schtasks.exe
2660	schtasks.exe
1952	schtasks.exe
2632	schtasks.exe
1820	schtasks.exe

Suspicious behavior: CmdExeWriteProcessMemorySpam 1 IoCs

pid	Process
2984	sppsvc.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2380	c8ce6fc2028745f5eaf01a412d06acaa.exe
2380	c8ce6fc2028745f5eaf01a412d06acaa.exe
2380	c8ce6fc2028745f5eaf01a412d06acaa.exe
2380	c8ce6fc2028745f5eaf01a412d06acaa.exe
2380	c8ce6fc2028745f5eaf01a412d06acaa.exe
2380	c8ce6fc2028745f5eaf01a412d06acaa.exe
2380	c8ce6fc2028745f5eaf01a412d06acaa.exe
2380	c8ce6fc2028745f5eaf01a412d06acaa.exe
2380	c8ce6fc2028745f5eaf01a412d06acaa.exe
2380	c8ce6fc2028745f5eaf01a412d06acaa.exe
2380	c8ce6fc2028745f5eaf01a412d06acaa.exe
2380	c8ce6fc2028745f5eaf01a412d06acaa.exe
2380	c8ce6fc2028745f5eaf01a412d06acaa.exe
2380	c8ce6fc2028745f5eaf01a412d06acaa.exe
2380	c8ce6fc2028745f5eaf01a412d06acaa.exe
2380	c8ce6fc2028745f5eaf01a412d06acaa.exe
2380	c8ce6fc2028745f5eaf01a412d06acaa.exe
2380	c8ce6fc2028745f5eaf01a412d06acaa.exe
2380	c8ce6fc2028745f5eaf01a412d06acaa.exe
2380	c8ce6fc2028745f5eaf01a412d06acaa.exe
2380	c8ce6fc2028745f5eaf01a412d06acaa.exe
2380	c8ce6fc2028745f5eaf01a412d06acaa.exe
2380	c8ce6fc2028745f5eaf01a412d06acaa.exe
2380	c8ce6fc2028745f5eaf01a412d06acaa.exe
2380	c8ce6fc2028745f5eaf01a412d06acaa.exe
2380	c8ce6fc2028745f5eaf01a412d06acaa.exe
2380	c8ce6fc2028745f5eaf01a412d06acaa.exe
2380	c8ce6fc2028745f5eaf01a412d06acaa.exe
2380	c8ce6fc2028745f5eaf01a412d06acaa.exe
2380	c8ce6fc2028745f5eaf01a412d06acaa.exe
2380	c8ce6fc2028745f5eaf01a412d06acaa.exe
2380	c8ce6fc2028745f5eaf01a412d06acaa.exe
2380	c8ce6fc2028745f5eaf01a412d06acaa.exe
2380	c8ce6fc2028745f5eaf01a412d06acaa.exe
2380	c8ce6fc2028745f5eaf01a412d06acaa.exe
2380	c8ce6fc2028745f5eaf01a412d06acaa.exe
2380	c8ce6fc2028745f5eaf01a412d06acaa.exe
2380	c8ce6fc2028745f5eaf01a412d06acaa.exe
2380	c8ce6fc2028745f5eaf01a412d06acaa.exe
2380	c8ce6fc2028745f5eaf01a412d06acaa.exe
2380	c8ce6fc2028745f5eaf01a412d06acaa.exe
2380	c8ce6fc2028745f5eaf01a412d06acaa.exe
2380	c8ce6fc2028745f5eaf01a412d06acaa.exe
2380	c8ce6fc2028745f5eaf01a412d06acaa.exe
2380	c8ce6fc2028745f5eaf01a412d06acaa.exe
2380	c8ce6fc2028745f5eaf01a412d06acaa.exe
2380	c8ce6fc2028745f5eaf01a412d06acaa.exe
2380	c8ce6fc2028745f5eaf01a412d06acaa.exe
2380	c8ce6fc2028745f5eaf01a412d06acaa.exe
2380	c8ce6fc2028745f5eaf01a412d06acaa.exe
2380	c8ce6fc2028745f5eaf01a412d06acaa.exe
2380	c8ce6fc2028745f5eaf01a412d06acaa.exe
2380	c8ce6fc2028745f5eaf01a412d06acaa.exe
2380	c8ce6fc2028745f5eaf01a412d06acaa.exe
2380	c8ce6fc2028745f5eaf01a412d06acaa.exe
2380	c8ce6fc2028745f5eaf01a412d06acaa.exe
2380	c8ce6fc2028745f5eaf01a412d06acaa.exe
2380	c8ce6fc2028745f5eaf01a412d06acaa.exe
2380	c8ce6fc2028745f5eaf01a412d06acaa.exe
2380	c8ce6fc2028745f5eaf01a412d06acaa.exe
2380	c8ce6fc2028745f5eaf01a412d06acaa.exe
2380	c8ce6fc2028745f5eaf01a412d06acaa.exe
2380	c8ce6fc2028745f5eaf01a412d06acaa.exe
2380	c8ce6fc2028745f5eaf01a412d06acaa.exe

Suspicious use of AdjustPrivilegeToken 8 IoCs

description	pid	Process
Token: SeDebugPrivilege	2380	c8ce6fc2028745f5eaf01a412d06acaa.exe
Token: SeDebugPrivilege	1088	powershell.exe
Token: SeDebugPrivilege	2160	powershell.exe
Token: SeDebugPrivilege	1688	powershell.exe
Token: SeDebugPrivilege	1468	powershell.exe
Token: SeDebugPrivilege	1432	powershell.exe
Token: SeDebugPrivilege	860	powershell.exe
Token: SeDebugPrivilege	2984	sppsvc.exe

Suspicious use of WriteProcessMemory 38 IoCs

description	pid	Process	procid_target
PID 2380 wrote to memory of 2780	2380	c8ce6fc2028745f5eaf01a412d06acaa.exe	34
PID 2380 wrote to memory of 2780	2380	c8ce6fc2028745f5eaf01a412d06acaa.exe	34
PID 2380 wrote to memory of 2780	2380	c8ce6fc2028745f5eaf01a412d06acaa.exe	34
PID 2780 wrote to memory of 2640	2780	csc.exe	36
PID 2780 wrote to memory of 2640	2780	csc.exe	36
PID 2780 wrote to memory of 2640	2780	csc.exe	36
PID 2380 wrote to memory of 1088	2380	c8ce6fc2028745f5eaf01a412d06acaa.exe	53
PID 2380 wrote to memory of 1088	2380	c8ce6fc2028745f5eaf01a412d06acaa.exe	53
PID 2380 wrote to memory of 1088	2380	c8ce6fc2028745f5eaf01a412d06acaa.exe	53
PID 2380 wrote to memory of 2160	2380	c8ce6fc2028745f5eaf01a412d06acaa.exe	54
PID 2380 wrote to memory of 2160	2380	c8ce6fc2028745f5eaf01a412d06acaa.exe	54
PID 2380 wrote to memory of 2160	2380	c8ce6fc2028745f5eaf01a412d06acaa.exe	54
PID 2380 wrote to memory of 1468	2380	c8ce6fc2028745f5eaf01a412d06acaa.exe	55
PID 2380 wrote to memory of 1468	2380	c8ce6fc2028745f5eaf01a412d06acaa.exe	55
PID 2380 wrote to memory of 1468	2380	c8ce6fc2028745f5eaf01a412d06acaa.exe	55
PID 2380 wrote to memory of 860	2380	c8ce6fc2028745f5eaf01a412d06acaa.exe	56
PID 2380 wrote to memory of 860	2380	c8ce6fc2028745f5eaf01a412d06acaa.exe	56
PID 2380 wrote to memory of 860	2380	c8ce6fc2028745f5eaf01a412d06acaa.exe	56
PID 2380 wrote to memory of 1688	2380	c8ce6fc2028745f5eaf01a412d06acaa.exe	57
PID 2380 wrote to memory of 1688	2380	c8ce6fc2028745f5eaf01a412d06acaa.exe	57
PID 2380 wrote to memory of 1688	2380	c8ce6fc2028745f5eaf01a412d06acaa.exe	57
PID 2380 wrote to memory of 1432	2380	c8ce6fc2028745f5eaf01a412d06acaa.exe	59
PID 2380 wrote to memory of 1432	2380	c8ce6fc2028745f5eaf01a412d06acaa.exe	59
PID 2380 wrote to memory of 1432	2380	c8ce6fc2028745f5eaf01a412d06acaa.exe	59
PID 2380 wrote to memory of 1624	2380	c8ce6fc2028745f5eaf01a412d06acaa.exe	65
PID 2380 wrote to memory of 1624	2380	c8ce6fc2028745f5eaf01a412d06acaa.exe	65
PID 2380 wrote to memory of 1624	2380	c8ce6fc2028745f5eaf01a412d06acaa.exe	65
PID 1624 wrote to memory of 1660	1624	cmd.exe	67
PID 1624 wrote to memory of 1660	1624	cmd.exe	67
PID 1624 wrote to memory of 1660	1624	cmd.exe	67
PID 1624 wrote to memory of 1796	1624	cmd.exe	68
PID 1624 wrote to memory of 1796	1624	cmd.exe	68
PID 1624 wrote to memory of 1796	1624	cmd.exe	68
PID 1624 wrote to memory of 2984	1624	cmd.exe	69
PID 1624 wrote to memory of 2984	1624	cmd.exe	69
PID 1624 wrote to memory of 2984	1624	cmd.exe	69
PID 1624 wrote to memory of 2984	1624	cmd.exe	69
PID 1624 wrote to memory of 2984	1624	cmd.exe	69

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\c8ce6fc2028745f5eaf01a412d06acaa.exe
"C:\Users\Admin\AppData\Local\Temp\c8ce6fc2028745f5eaf01a412d06acaa.exe"
1⤵
- Modifies WinLogon for persistence
- Adds Run key to start application
- Drops file in Program Files directory
- Drops file in Windows directory
- Modifies system certificate store
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2380
- C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe
  "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe" /noconfig /fullpaths @"C:\Users\Admin\AppData\Local\Temp\fucx30ft\fucx30ft.cmdline"
  2⤵
  - Drops file in System32 directory
  - Suspicious use of WriteProcessMemory
  PID:2780
- - C:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exe
    C:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\Admin\AppData\Local\Temp\RESC8EA.tmp" "c:\Windows\System32\CSCEFACF78AFCF748F791F9B6CAE845878.TMP"
    3⤵
    PID:2640
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "powershell" -Command Add-MpPreference -ExclusionPath 'C:\Program Files\Java\jdk1.7.0_80\db\lib\sppsvc.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious use of AdjustPrivilegeToken
  PID:1088
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "powershell" -Command Add-MpPreference -ExclusionPath 'C:\Program Files\Microsoft Games\Purble Place\ja-JP\services.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious use of AdjustPrivilegeToken
  PID:2160
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "powershell" -Command Add-MpPreference -ExclusionPath 'C:\Windows\Branding\Basebrd\WmiPrvSE.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious use of AdjustPrivilegeToken
  PID:1468
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "powershell" -Command Add-MpPreference -ExclusionPath 'C:\Recovery\20e7eb62-69f6-11ef-be0c-62cb582c238c\audiodg.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious use of AdjustPrivilegeToken
  PID:860
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "powershell" -Command Add-MpPreference -ExclusionPath 'C:\MSOCache\All Users\c8ce6fc2028745f5eaf01a412d06acaa.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious use of AdjustPrivilegeToken
  PID:1688
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "powershell" -Command Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\c8ce6fc2028745f5eaf01a412d06acaa.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious use of AdjustPrivilegeToken
  PID:1432
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /C "C:\Users\Admin\AppData\Local\Temp\6qaCEaK7YH.bat"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1624
- - C:\Windows\system32\chcp.com
    chcp 65001
    3⤵
    PID:1660
- - C:\Windows\system32\w32tm.exe
    w32tm /stripchart /computer:localhost /period:5 /dataonly /samples:2
    3⤵
    PID:1796
- - C:\Program Files\Java\jdk1.7.0_80\db\lib\sppsvc.exe
    "C:\Program Files\Java\jdk1.7.0_80\db\lib\sppsvc.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious behavior: CmdExeWriteProcessMemorySpam
    - Suspicious use of AdjustPrivilegeToken
    PID:2984

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "sppsvcs" /sc MINUTE /mo 10 /tr "'C:\Program Files\Java\jdk1.7.0_80\db\lib\sppsvc.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2832

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "sppsvc" /sc ONLOGON /tr "'C:\Program Files\Java\jdk1.7.0_80\db\lib\sppsvc.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:3004

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "sppsvcs" /sc MINUTE /mo 9 /tr "'C:\Program Files\Java\jdk1.7.0_80\db\lib\sppsvc.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2752

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "servicess" /sc MINUTE /mo 14 /tr "'C:\Program Files\Microsoft Games\Purble Place\ja-JP\services.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1056

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "services" /sc ONLOGON /tr "'C:\Program Files\Microsoft Games\Purble Place\ja-JP\services.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2632

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "servicess" /sc MINUTE /mo 9 /tr "'C:\Program Files\Microsoft Games\Purble Place\ja-JP\services.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2740

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "WmiPrvSEW" /sc MINUTE /mo 12 /tr "'C:\Windows\Branding\Basebrd\WmiPrvSE.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2176

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

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "WmiPrvSEW" /sc MINUTE /mo 8 /tr "'C:\Windows\Branding\Basebrd\WmiPrvSE.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1632

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "audiodga" /sc MINUTE /mo 13 /tr "'C:\Recovery\20e7eb62-69f6-11ef-be0c-62cb582c238c\audiodg.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:564

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "audiodg" /sc ONLOGON /tr "'C:\Recovery\20e7eb62-69f6-11ef-be0c-62cb582c238c\audiodg.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1820

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "audiodga" /sc MINUTE /mo 13 /tr "'C:\Recovery\20e7eb62-69f6-11ef-be0c-62cb582c238c\audiodg.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1684

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "c8ce6fc2028745f5eaf01a412d06acaac" /sc MINUTE /mo 14 /tr "'C:\MSOCache\All Users\c8ce6fc2028745f5eaf01a412d06acaa.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1204

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "c8ce6fc2028745f5eaf01a412d06acaa" /sc ONLOGON /tr "'C:\MSOCache\All Users\c8ce6fc2028745f5eaf01a412d06acaa.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1952

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "c8ce6fc2028745f5eaf01a412d06acaac" /sc MINUTE /mo 9 /tr "'C:\MSOCache\All Users\c8ce6fc2028745f5eaf01a412d06acaa.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:316

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "c8ce6fc2028745f5eaf01a412d06acaac" /sc MINUTE /mo 12 /tr "'C:\Users\Admin\AppData\Local\Temp\c8ce6fc2028745f5eaf01a412d06acaa.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:296

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "c8ce6fc2028745f5eaf01a412d06acaa" /sc ONLOGON /tr "'C:\Users\Admin\AppData\Local\Temp\c8ce6fc2028745f5eaf01a412d06acaa.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2944

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "c8ce6fc2028745f5eaf01a412d06acaac" /sc MINUTE /mo 13 /tr "'C:\Users\Admin\AppData\Local\Temp\c8ce6fc2028745f5eaf01a412d06acaa.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2936

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Winlogon Helper DLL

T1547.004

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Winlogon Helper DLL

T1547.004

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Modify Registry

T1112

Subvert Trust Controls

T1553

Install Root Certificate

T1553.004

Credential Access

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Program Files\Java\jdk1.7.0_80\db\lib\sppsvc.exe

Filesize
1.9MB

MD5
c8ce6fc2028745f5eaf01a412d06acaa

SHA1
4be17e69614ea35c4cd9939f84034e0e1e43a9a0

SHA256
bd068366ec33c420f480a1085cf661ae74ab13ac83bda6ccc9997d5495bed125

SHA512
6d9f45afdab9e5a062f7c0e89372f4c2c6f897acb76a0523d6b1620b0ccf0e827c8b5643650ee290f14fb9015c084e3866f01b9a1978104718b261a7b1523f05

Download Submit
C:\Users\Admin\AppData\Local\Temp\6qaCEaK7YH.bat

Filesize
227B

MD5
a4cc245616ec87f69d4c19b0268ef11b

SHA1
1ecf3433da8bf86219f96be16a5ef89fd90de877

SHA256
8abe2a23d2ab4dac301a6dc358c198f159c485e4242000b900f0f2431a786795

SHA512
a67daa71b40f507f8199e7a0d82657278d3380492d39c66e1601d6f18a0622f68ce70c27b1f83803feae2bda6bdf3b37ebfe1bcde1979b65857c20af244141a4

Download Submit
C:\Users\Admin\AppData\Local\Temp\RESC8EA.tmp

Filesize
1KB

MD5
3022a18dc1be4b471752f15f7bcdc382

SHA1
abddb0fb8899f8eb5945ce92118a71a4cb04c89b

SHA256
7b0e3f73a753df7220f395e3ce07c08429e73f41a17502f0a416eb43e20d75ea

SHA512
b36dbc4b32bab826e5b7bd8398667581f04383fc30032d91b54e922de4901a8ae0ecdbbf88a74a4199ef410c87acfaefd947710d7cc3682f968425cce9630cde

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\590aee7bdd69b59b.customDestinations-ms

Filesize
7KB

MD5
fbe7f419268ef372c9168e71f008e7c2

SHA1
7a849f9255ac65adf6b83989685cabede970afc9

SHA256
802003c7cbc0f8b56b36b01405ceabc804c589be01c21402ef9a26b6a9d36393

SHA512
c4c9ea32779cd7b4a3e9d0afac4b1802c5225dd8c1087f0175bb1dadab3fa4fff81d15adfb1c523d8f96b98cc66fc47961d340314395d0e75909473397e1cb3c

Download Submit
\??\c:\Users\Admin\AppData\Local\Temp\fucx30ft\fucx30ft.0.cs

Filesize
383B

MD5
4d4dd65c18b053f0225c64c6dbc0b106

SHA1
299e1f6e33f5706da4b9d78cd0a579894e0124cc

SHA256
b19369ed5ebdfeccf136cfc367b26a99a54a5c1bdfebe3d10f84cc09b0948d79

SHA512
6ce198dc23b851cbdcc3c8bb99740c0300294286d1828336023af22b5af4e85b044739869c27fd529260d6c774947eec648345568eb8ad67b440a38a7aaed716

Download Submit
\??\c:\Users\Admin\AppData\Local\Temp\fucx30ft\fucx30ft.cmdline

Filesize
235B

MD5
eeca1dd1b5c8603fc73ebfbe7108d7b7

SHA1
b31fd049a337133f53bc692867c76721157d2e43

SHA256
070b0c801f3003a00b121fe3de318533eebe69c1ecfc4c7faf996d23ea5c1ccb

SHA512
308010571212b6ff331efe963558e6f8aa8bb46b2b606edec59a0d66c847609da8b32e7b8decc690e390b725a2bb2cba14d96b989f95fb43e719f75f1c01b7f0

Download Submit
\??\c:\Windows\System32\CSCEFACF78AFCF748F791F9B6CAE845878.TMP

Filesize
1KB

MD5
9446a6998523ec187daa3d79bec9c8fa

SHA1
16c7f73aef03c8a15b4d9e8b1cfa5183caf7ca96

SHA256
f55f1bd2c1246cfb3b60cd8649fcc78b3837896bdf5132d6fc8ea0ecabf892d7

SHA512
fac3ad1b0c8663aaa94cd66b6ea0aa1848e570ff4a22b709cf2696abb76e28f42fb0d2a74316a7ad86bb6216177013c6b71ce2f4df139edc3054a03ee3467c9d

Download Submit
memory/2160-87-0x00000000027E0000-0x00000000027E8000-memory.dmp

Filesize
32KB

Download
memory/2160-83-0x000000001B650000-0x000000001B932000-memory.dmp

Filesize
2.9MB

Download
memory/2380-33-0x000007FEF5820000-0x000007FEF620C000-memory.dmp

Filesize
9.9MB

Download
memory/2380-10-0x00000000006E0000-0x00000000006F8000-memory.dmp

Filesize
96KB

Download
memory/2380-17-0x00000000006B0000-0x00000000006B8000-memory.dmp

Filesize
32KB

Download
memory/2380-20-0x0000000000700000-0x000000000070C000-memory.dmp

Filesize
48KB

Download
memory/2380-18-0x000007FEF5820000-0x000007FEF620C000-memory.dmp

Filesize
9.9MB

Download
memory/2380-14-0x00000000006A0000-0x00000000006AE000-memory.dmp

Filesize
56KB

Download
memory/2380-32-0x000007FEF5820000-0x000007FEF620C000-memory.dmp

Filesize
9.9MB

Download
memory/2380-0-0x000007FEF5823000-0x000007FEF5824000-memory.dmp

Filesize
4KB

Download
memory/2380-34-0x000007FEF5820000-0x000007FEF620C000-memory.dmp

Filesize
9.9MB

Download
memory/2380-35-0x000007FEF5820000-0x000007FEF620C000-memory.dmp

Filesize
9.9MB

Download
memory/2380-12-0x0000000000500000-0x000000000050C000-memory.dmp

Filesize
48KB

Download
memory/2380-15-0x000007FEF5820000-0x000007FEF620C000-memory.dmp

Filesize
9.9MB

Download
memory/2380-8-0x00000000006C0000-0x00000000006DC000-memory.dmp

Filesize
112KB

Download
memory/2380-6-0x00000000004F0000-0x00000000004FE000-memory.dmp

Filesize
56KB

Download
memory/2380-48-0x000007FEF5823000-0x000007FEF5824000-memory.dmp

Filesize
4KB

Download
memory/2380-49-0x000007FEF5820000-0x000007FEF620C000-memory.dmp

Filesize
9.9MB

Download
memory/2380-50-0x000007FEF5820000-0x000007FEF620C000-memory.dmp

Filesize
9.9MB

Download
memory/2380-4-0x000007FEF5820000-0x000007FEF620C000-memory.dmp

Filesize
9.9MB

Download
memory/2380-3-0x000007FEF5820000-0x000007FEF620C000-memory.dmp

Filesize
9.9MB

Download
memory/2380-2-0x000007FEF5820000-0x000007FEF620C000-memory.dmp

Filesize
9.9MB

Download
memory/2380-86-0x000007FEF5820000-0x000007FEF620C000-memory.dmp

Filesize
9.9MB

Download
memory/2380-1-0x0000000000280000-0x0000000000470000-memory.dmp

Filesize
1.9MB

Download
memory/2984-90-0x0000000000CC0000-0x0000000000EB0000-memory.dmp

Filesize
1.9MB

Download