dcrat | 5d05c7d74af3f812e23c91cb9cf1e346af9e8e074515862c7449cd8ff2dd8b18

General

Target

5d05c7d74af3f812e23c91cb9cf1e346af9e8e074515862c7449cd8ff2dd8b18.exe
Size

1.3MB
MD5

b9a0002e9a104374dea2f4ba571f1764
SHA1

627488abb7aeeb5f8f411a9694cebd6b4748a86f
SHA256

5d05c7d74af3f812e23c91cb9cf1e346af9e8e074515862c7449cd8ff2dd8b18
SHA512

439d0ad76753bf88adc6d92e80fda5bbc64c5724180d8689f79fbf48a80754eb5f127284f123a71129a110ccfeeccb1c3c4cb0879f7859a0648aa0e09ba805b5
SSDEEP

24576:U2G/nvxW3Ww0t4952ytIS/Zgi5N5vC8bg7Mj9W4eHdELPh:UbA30QAytISht5q8bQMB4o

Score

10^/10

dcrat evasion 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

Modifies WinLogon for persistence 2 TTPs 9 IoCs

persistence

Winlogon Helper DLL

T1004

Modify Registry

T1112

Processes:

hyperReviewwin.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\Users\\Public\\Libraries\\WmiPrvSE.exe\", \"C:\\Program Files (x86)\\Windows Photo Viewer\\ja-JP\\smss.exe\", \"C:\\Program Files (x86)\\Reference Assemblies\\Microsoft\\Framework\\winlogon.exe\", \"C:\\Program Files (x86)\\Windows Media Player\\Skins\\lsass.exe\", \"C:\\Program Files (x86)\\Mozilla Maintenance Service\\logs\\RuntimeBroker.exe\", \"C:\\Recovery\\WindowsRE\\Registry.exe\""	hyperReviewwin.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\Users\\Public\\Libraries\\WmiPrvSE.exe\", \"C:\\Program Files (x86)\\Windows Photo Viewer\\ja-JP\\smss.exe\", \"C:\\Program Files (x86)\\Reference Assemblies\\Microsoft\\Framework\\winlogon.exe\", \"C:\\Program Files (x86)\\Windows Media Player\\Skins\\lsass.exe\", \"C:\\Program Files (x86)\\Mozilla Maintenance Service\\logs\\RuntimeBroker.exe\", \"C:\\Recovery\\WindowsRE\\Registry.exe\", \"C:\\Program Files (x86)\\Microsoft.NET\\hyperReviewwin.exe\""	hyperReviewwin.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\Users\\Public\\Libraries\\WmiPrvSE.exe\", \"C:\\Program Files (x86)\\Windows Photo Viewer\\ja-JP\\smss.exe\", \"C:\\Program Files (x86)\\Reference Assemblies\\Microsoft\\Framework\\winlogon.exe\""	hyperReviewwin.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\Users\\Public\\Libraries\\WmiPrvSE.exe\", \"C:\\Program Files (x86)\\Windows Photo Viewer\\ja-JP\\smss.exe\", \"C:\\Program Files (x86)\\Reference Assemblies\\Microsoft\\Framework\\winlogon.exe\", \"C:\\Program Files (x86)\\Windows Media Player\\Skins\\lsass.exe\", \"C:\\Program Files (x86)\\Mozilla Maintenance Service\\logs\\RuntimeBroker.exe\""	hyperReviewwin.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\Users\\Public\\Libraries\\WmiPrvSE.exe\", \"C:\\Program Files (x86)\\Windows Photo Viewer\\ja-JP\\smss.exe\", \"C:\\Program Files (x86)\\Reference Assemblies\\Microsoft\\Framework\\winlogon.exe\", \"C:\\Program Files (x86)\\Windows Media Player\\Skins\\lsass.exe\""	hyperReviewwin.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\Users\\Public\\Libraries\\WmiPrvSE.exe\", \"C:\\Program Files (x86)\\Windows Photo Viewer\\ja-JP\\smss.exe\", \"C:\\Program Files (x86)\\Reference Assemblies\\Microsoft\\Framework\\winlogon.exe\", \"C:\\Program Files (x86)\\Windows Media Player\\Skins\\lsass.exe\", \"C:\\Program Files (x86)\\Mozilla Maintenance Service\\logs\\RuntimeBroker.exe\", \"C:\\Recovery\\WindowsRE\\Registry.exe\", \"C:\\Program Files (x86)\\Microsoft.NET\\hyperReviewwin.exe\", \"C:\\Users\\Default\\Videos\\csrss.exe\""	hyperReviewwin.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\Users\\Public\\Libraries\\WmiPrvSE.exe\", \"C:\\Program Files (x86)\\Windows Photo Viewer\\ja-JP\\smss.exe\", \"C:\\Program Files (x86)\\Reference Assemblies\\Microsoft\\Framework\\winlogon.exe\", \"C:\\Program Files (x86)\\Windows Media Player\\Skins\\lsass.exe\", \"C:\\Program Files (x86)\\Mozilla Maintenance Service\\logs\\RuntimeBroker.exe\", \"C:\\Recovery\\WindowsRE\\Registry.exe\", \"C:\\Program Files (x86)\\Microsoft.NET\\hyperReviewwin.exe\", \"C:\\Users\\Default\\Videos\\csrss.exe\", \"C:\\Program Files\\Internet Explorer\\ja-JP\\SppExtComObj.exe\""	hyperReviewwin.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\Users\\Public\\Libraries\\WmiPrvSE.exe\""	hyperReviewwin.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\Users\\Public\\Libraries\\WmiPrvSE.exe\", \"C:\\Program Files (x86)\\Windows Photo Viewer\\ja-JP\\smss.exe\""	hyperReviewwin.exe

Process spawned unexpected child process 27 IoCs

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

Processes:

schtasks.exeschtasks.exeschtasks.exeschtasks.exeschtasks.exeschtasks.exeschtasks.exeschtasks.exeschtasks.exeschtasks.exeschtasks.exeschtasks.exeschtasks.exeschtasks.exeschtasks.exeschtasks.exeschtasks.exeschtasks.exeschtasks.exeschtasks.exeschtasks.exeschtasks.exeschtasks.exeschtasks.exeschtasks.exeschtasks.exeschtasks.exe

description	pid	pid_target	process
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1168	1116	schtasks.exe
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	332	1116	schtasks.exe
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2632	1116	schtasks.exe
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1444	1116	schtasks.exe
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	5048	1116	schtasks.exe
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1380	1116	schtasks.exe
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	808	1116	schtasks.exe
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4396	1116	schtasks.exe
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	744	1116	schtasks.exe
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	3776	1116	schtasks.exe
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	3100	1116	schtasks.exe
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1948	1116	schtasks.exe
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1316	1116	schtasks.exe
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	3412	1116	schtasks.exe
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	204	1116	schtasks.exe
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2536	1116	schtasks.exe
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4124	1116	schtasks.exe
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4468	1116	schtasks.exe
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1820	1116	schtasks.exe
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	3592	1116	schtasks.exe
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	3372	1116	schtasks.exe
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	3488	1116	schtasks.exe
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	3928	1116	schtasks.exe
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	3692	1116	schtasks.exe
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	3612	1116	schtasks.exe
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4568	1116	schtasks.exe
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	5080	1116	schtasks.exe

DCRat payload 5 IoCs

Detects payload of DCRat, commonly dropped by NSIS installers.

rat

Processes:

resource	yara_rule
C:\Users\Admin\AppData\Roaming\containerfontSessionmonitorsvc\hyperReviewwin.exe	dcrat
C:\Users\Admin\AppData\Roaming\containerfontSessionmonitorsvc\hyperReviewwin.exe	dcrat
behavioral1/memory/2440-139-0x0000000000CD0000-0x0000000000DDA000-memory.dmp	dcrat
C:\Program Files\Internet Explorer\ja-JP\SppExtComObj.exe	dcrat
C:\Program Files\Internet Explorer\ja-JP\SppExtComObj.exe	dcrat

Disables Task Manager via registry modification
evasion
Executes dropped EXE 2 IoCs

Processes:

hyperReviewwin.exeSppExtComObj.exe

pid process

2440 hyperReviewwin.exe
1108 SppExtComObj.exe

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

Processes:

5d05c7d74af3f812e23c91cb9cf1e346af9e8e074515862c7449cd8ff2dd8b18.exeWScript.exehyperReviewwin.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Control Panel\International\Geo\Nation	5d05c7d74af3f812e23c91cb9cf1e346af9e8e074515862c7449cd8ff2dd8b18.exe
Key value queried	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Control Panel\International\Geo\Nation	WScript.exe
Key value queried	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Control Panel\International\Geo\Nation	hyperReviewwin.exe

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
spyware

Data from Local System
T1005

Credentials in Files
T1081

Adds Run key to start application 2 TTPs 18 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

hyperReviewwin.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Users\\Default\\Videos\\csrss.exe\""	hyperReviewwin.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SppExtComObj = "\"C:\\Program Files\\Internet Explorer\\ja-JP\\SppExtComObj.exe\""	hyperReviewwin.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SppExtComObj = "\"C:\\Program Files\\Internet Explorer\\ja-JP\\SppExtComObj.exe\""	hyperReviewwin.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\RuntimeBroker = "\"C:\\Program Files (x86)\\Mozilla Maintenance Service\\logs\\RuntimeBroker.exe\""	hyperReviewwin.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Registry = "\"C:\\Recovery\\WindowsRE\\Registry.exe\""	hyperReviewwin.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Registry = "\"C:\\Recovery\\WindowsRE\\Registry.exe\""	hyperReviewwin.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\hyperReviewwin = "\"C:\\Program Files (x86)\\Microsoft.NET\\hyperReviewwin.exe\""	hyperReviewwin.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\lsass = "\"C:\\Program Files (x86)\\Windows Media Player\\Skins\\lsass.exe\""	hyperReviewwin.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\winlogon = "\"C:\\Program Files (x86)\\Reference Assemblies\\Microsoft\\Framework\\winlogon.exe\""	hyperReviewwin.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Users\\Default\\Videos\\csrss.exe\""	hyperReviewwin.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\WmiPrvSE = "\"C:\\Users\\Public\\Libraries\\WmiPrvSE.exe\""	hyperReviewwin.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\WmiPrvSE = "\"C:\\Users\\Public\\Libraries\\WmiPrvSE.exe\""	hyperReviewwin.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\smss = "\"C:\\Program Files (x86)\\Windows Photo Viewer\\ja-JP\\smss.exe\""	hyperReviewwin.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\winlogon = "\"C:\\Program Files (x86)\\Reference Assemblies\\Microsoft\\Framework\\winlogon.exe\""	hyperReviewwin.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\smss = "\"C:\\Program Files (x86)\\Windows Photo Viewer\\ja-JP\\smss.exe\""	hyperReviewwin.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\lsass = "\"C:\\Program Files (x86)\\Windows Media Player\\Skins\\lsass.exe\""	hyperReviewwin.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\RuntimeBroker = "\"C:\\Program Files (x86)\\Mozilla Maintenance Service\\logs\\RuntimeBroker.exe\""	hyperReviewwin.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\hyperReviewwin = "\"C:\\Program Files (x86)\\Microsoft.NET\\hyperReviewwin.exe\""	hyperReviewwin.exe

Drops file in Program Files directory 12 IoCs

Processes:

hyperReviewwin.exe

description	ioc	process
File created	C:\Program Files (x86)\Windows Photo Viewer\ja-JP\69ddcba757bf72	hyperReviewwin.exe
File created	C:\Program Files (x86)\Windows Media Player\Skins\lsass.exe	hyperReviewwin.exe
File created	C:\Program Files (x86)\Windows Media Player\Skins\6203df4a6bafc7	hyperReviewwin.exe
File created	C:\Program Files (x86)\Mozilla Maintenance Service\logs\9e8d7a4ca61bd9	hyperReviewwin.exe
File created	C:\Program Files (x86)\Microsoft.NET\hyperReviewwin.exe	hyperReviewwin.exe
File created	C:\Program Files\Internet Explorer\ja-JP\e1ef82546f0b02	hyperReviewwin.exe
File created	C:\Program Files (x86)\Windows Photo Viewer\ja-JP\smss.exe	hyperReviewwin.exe
File created	C:\Program Files (x86)\Reference Assemblies\Microsoft\Framework\winlogon.exe	hyperReviewwin.exe
File created	C:\Program Files (x86)\Reference Assemblies\Microsoft\Framework\cc11b995f2a76d	hyperReviewwin.exe
File created	C:\Program Files (x86)\Mozilla Maintenance Service\logs\RuntimeBroker.exe	hyperReviewwin.exe
File created	C:\Program Files (x86)\Microsoft.NET\f7894aa59cf215	hyperReviewwin.exe
File created	C:\Program Files\Internet Explorer\ja-JP\SppExtComObj.exe	hyperReviewwin.exe

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

System Information Discovery
T1082

Creates scheduled task(s) 1 TTPs 27 IoCs

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

persistence

Scheduled Task

T1053

Processes:

schtasks.exeschtasks.exeschtasks.exeschtasks.exeschtasks.exeschtasks.exeschtasks.exeschtasks.exeschtasks.exeschtasks.exeschtasks.exeschtasks.exeschtasks.exeschtasks.exeschtasks.exeschtasks.exeschtasks.exeschtasks.exeschtasks.exeschtasks.exeschtasks.exeschtasks.exeschtasks.exeschtasks.exeschtasks.exeschtasks.exeschtasks.exe

pid	process
1820	schtasks.exe
744	schtasks.exe
4468	schtasks.exe
1316	schtasks.exe
3412	schtasks.exe
332	schtasks.exe
1380	schtasks.exe
204	schtasks.exe
3372	schtasks.exe
3612	schtasks.exe
1444	schtasks.exe
3100	schtasks.exe
3488	schtasks.exe
4568	schtasks.exe
3692	schtasks.exe
1168	schtasks.exe
5048	schtasks.exe
3776	schtasks.exe
2536	schtasks.exe
2632	schtasks.exe
808	schtasks.exe
1948	schtasks.exe
4396	schtasks.exe
4124	schtasks.exe
3928	schtasks.exe
3592	schtasks.exe
5080	schtasks.exe

Modifies registry class 2 IoCs

Processes:

5d05c7d74af3f812e23c91cb9cf1e346af9e8e074515862c7449cd8ff2dd8b18.exehyperReviewwin.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000_Classes\Local Settings	5d05c7d74af3f812e23c91cb9cf1e346af9e8e074515862c7449cd8ff2dd8b18.exe
Key created	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000_Classes\Local Settings	hyperReviewwin.exe

Modifies registry key 1 TTPs 1 IoCs

Modify Registry
T1112

Processes:

reg.exe

pid process

4976 reg.exe

pid	process
4976	reg.exe

Suspicious behavior: EnumeratesProcesses 14 IoCs

Processes:

hyperReviewwin.exeSppExtComObj.exe

pid	process
2440	hyperReviewwin.exe
2440	hyperReviewwin.exe
2440	hyperReviewwin.exe
2440	hyperReviewwin.exe
2440	hyperReviewwin.exe
1108	SppExtComObj.exe
1108	SppExtComObj.exe
1108	SppExtComObj.exe
1108	SppExtComObj.exe
1108	SppExtComObj.exe
1108	SppExtComObj.exe
1108	SppExtComObj.exe
1108	SppExtComObj.exe
1108	SppExtComObj.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

SppExtComObj.exe

pid process

1108 SppExtComObj.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

hyperReviewwin.exeSppExtComObj.exe

description pid process

Token: SeDebugPrivilege 2440 hyperReviewwin.exe
Token: SeDebugPrivilege 1108 SppExtComObj.exe

pid	process
1108	SppExtComObj.exe

description	pid	process
Token: SeDebugPrivilege	2440	hyperReviewwin.exe
Token: SeDebugPrivilege	1108	SppExtComObj.exe

Suspicious use of WriteProcessMemory 17 IoCs

Processes:

5d05c7d74af3f812e23c91cb9cf1e346af9e8e074515862c7449cd8ff2dd8b18.exeWScript.execmd.exehyperReviewwin.execmd.exe

description	pid	process	target process
PID 3008 wrote to memory of 384	3008	5d05c7d74af3f812e23c91cb9cf1e346af9e8e074515862c7449cd8ff2dd8b18.exe	WScript.exe
PID 3008 wrote to memory of 384	3008	5d05c7d74af3f812e23c91cb9cf1e346af9e8e074515862c7449cd8ff2dd8b18.exe	WScript.exe
PID 3008 wrote to memory of 384	3008	5d05c7d74af3f812e23c91cb9cf1e346af9e8e074515862c7449cd8ff2dd8b18.exe	WScript.exe
PID 384 wrote to memory of 4844	384	WScript.exe	cmd.exe
PID 384 wrote to memory of 4844	384	WScript.exe	cmd.exe
PID 384 wrote to memory of 4844	384	WScript.exe	cmd.exe
PID 4844 wrote to memory of 2440	4844	cmd.exe	hyperReviewwin.exe
PID 4844 wrote to memory of 2440	4844	cmd.exe	hyperReviewwin.exe
PID 2440 wrote to memory of 1012	2440	hyperReviewwin.exe	cmd.exe
PID 2440 wrote to memory of 1012	2440	hyperReviewwin.exe	cmd.exe
PID 4844 wrote to memory of 4976	4844	cmd.exe	reg.exe
PID 4844 wrote to memory of 4976	4844	cmd.exe	reg.exe
PID 4844 wrote to memory of 4976	4844	cmd.exe	reg.exe
PID 1012 wrote to memory of 4348	1012	cmd.exe	w32tm.exe
PID 1012 wrote to memory of 4348	1012	cmd.exe	w32tm.exe
PID 1012 wrote to memory of 1108	1012	cmd.exe	SppExtComObj.exe
PID 1012 wrote to memory of 1108	1012	cmd.exe	SppExtComObj.exe

C:\Users\Admin\AppData\Local\Temp\5d05c7d74af3f812e23c91cb9cf1e346af9e8e074515862c7449cd8ff2dd8b18.exe
"C:\Users\Admin\AppData\Local\Temp\5d05c7d74af3f812e23c91cb9cf1e346af9e8e074515862c7449cd8ff2dd8b18.exe"
1⤵
- Checks computer location settings
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:3008

C:\Windows\SysWOW64\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Roaming\containerfontSessionmonitorsvc\GkeJrm3LHsNPCuEbXf7u.vbe"
2⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:384

C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Roaming\containerfontSessionmonitorsvc\87AREt1.bat" "
3⤵
- Suspicious use of WriteProcessMemory
PID:4844

C:\Users\Admin\AppData\Roaming\containerfontSessionmonitorsvc\hyperReviewwin.exe
"C:\Users\Admin\AppData\Roaming\containerfontSessionmonitorsvc\hyperReviewwin.exe"
4⤵
- Modifies WinLogon for persistence
- Executes dropped EXE
- Checks computer location settings
- Adds Run key to start application
- Drops file in Program Files directory
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2440

C:\Windows\System32\cmd.exe
"C:\Windows\System32\cmd.exe" /C "C:\Users\Admin\AppData\Local\Temp\Uy6LsnJKZb.bat"
5⤵
- Suspicious use of WriteProcessMemory
PID:1012

C:\Windows\system32\w32tm.exe
w32tm /stripchart /computer:localhost /period:5 /dataonly /samples:2
6⤵
PID:4348

C:\Program Files\Internet Explorer\ja-JP\SppExtComObj.exe
"C:\Program Files\Internet Explorer\ja-JP\SppExtComObj.exe"
6⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
PID:1108

C:\Windows\SysWOW64\reg.exe
reg add HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\System /v DisableTaskMgr /t REG_DWORD /d 1 /f
4⤵
- Modifies registry key
PID:4976

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "WmiPrvSEW" /sc MINUTE /mo 11 /tr "'C:\Users\Public\Libraries\WmiPrvSE.exe'" /f
1⤵
- Process spawned unexpected child process
- Creates scheduled task(s)
PID:1168

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "WmiPrvSE" /sc ONLOGON /tr "'C:\Users\Public\Libraries\WmiPrvSE.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Creates scheduled task(s)
PID:332

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "WmiPrvSEW" /sc MINUTE /mo 9 /tr "'C:\Users\Public\Libraries\WmiPrvSE.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Creates scheduled task(s)
PID:2632

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "smsss" /sc MINUTE /mo 12 /tr "'C:\Program Files (x86)\Windows Photo Viewer\ja-JP\smss.exe'" /f
1⤵
- Process spawned unexpected child process
- Creates scheduled task(s)
PID:1444

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "smss" /sc ONLOGON /tr "'C:\Program Files (x86)\Windows Photo Viewer\ja-JP\smss.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Creates scheduled task(s)
PID:5048

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "smsss" /sc MINUTE /mo 7 /tr "'C:\Program Files (x86)\Windows Photo Viewer\ja-JP\smss.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Creates scheduled task(s)
PID:1380

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "winlogonw" /sc MINUTE /mo 14 /tr "'C:\Program Files (x86)\Reference Assemblies\Microsoft\Framework\winlogon.exe'" /f
1⤵
- Process spawned unexpected child process
- Creates scheduled task(s)
PID:808

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "winlogon" /sc ONLOGON /tr "'C:\Program Files (x86)\Reference Assemblies\Microsoft\Framework\winlogon.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Creates scheduled task(s)
PID:4396

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "winlogonw" /sc MINUTE /mo 13 /tr "'C:\Program Files (x86)\Reference Assemblies\Microsoft\Framework\winlogon.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Creates scheduled task(s)
PID:744

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "lsassl" /sc MINUTE /mo 8 /tr "'C:\Program Files (x86)\Windows Media Player\Skins\lsass.exe'" /f
1⤵
- Process spawned unexpected child process
- Creates scheduled task(s)
PID:3776

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "lsass" /sc ONLOGON /tr "'C:\Program Files (x86)\Windows Media Player\Skins\lsass.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Creates scheduled task(s)
PID:3100

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "lsassl" /sc MINUTE /mo 12 /tr "'C:\Program Files (x86)\Windows Media Player\Skins\lsass.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Creates scheduled task(s)
PID:1948

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "RuntimeBrokerR" /sc MINUTE /mo 5 /tr "'C:\Program Files (x86)\Mozilla Maintenance Service\logs\RuntimeBroker.exe'" /f
1⤵
- Process spawned unexpected child process
- Creates scheduled task(s)
PID:1316

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "RuntimeBroker" /sc ONLOGON /tr "'C:\Program Files (x86)\Mozilla Maintenance Service\logs\RuntimeBroker.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Creates scheduled task(s)
PID:3412

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "RuntimeBrokerR" /sc MINUTE /mo 10 /tr "'C:\Program Files (x86)\Mozilla Maintenance Service\logs\RuntimeBroker.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Creates scheduled task(s)
PID:204

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "RegistryR" /sc MINUTE /mo 13 /tr "'C:\Recovery\WindowsRE\Registry.exe'" /f
1⤵
- Process spawned unexpected child process
- Creates scheduled task(s)
PID:2536

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "Registry" /sc ONLOGON /tr "'C:\Recovery\WindowsRE\Registry.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Creates scheduled task(s)
PID:4124

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "RegistryR" /sc MINUTE /mo 8 /tr "'C:\Recovery\WindowsRE\Registry.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Creates scheduled task(s)
PID:4468

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "hyperReviewwinh" /sc MINUTE /mo 14 /tr "'C:\Program Files (x86)\Microsoft.NET\hyperReviewwin.exe'" /f
1⤵
- Process spawned unexpected child process
- Creates scheduled task(s)
PID:1820

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "hyperReviewwin" /sc ONLOGON /tr "'C:\Program Files (x86)\Microsoft.NET\hyperReviewwin.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Creates scheduled task(s)
PID:3592

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "hyperReviewwinh" /sc MINUTE /mo 13 /tr "'C:\Program Files (x86)\Microsoft.NET\hyperReviewwin.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Creates scheduled task(s)
PID:3372

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "csrssc" /sc MINUTE /mo 6 /tr "'C:\Users\Default\Videos\csrss.exe'" /f
1⤵
- Process spawned unexpected child process
- Creates scheduled task(s)
PID:3488

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "csrss" /sc ONLOGON /tr "'C:\Users\Default\Videos\csrss.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Creates scheduled task(s)
PID:3928

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "csrssc" /sc MINUTE /mo 9 /tr "'C:\Users\Default\Videos\csrss.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Creates scheduled task(s)
PID:3692

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "SppExtComObjS" /sc MINUTE /mo 14 /tr "'C:\Program Files\Internet Explorer\ja-JP\SppExtComObj.exe'" /f
1⤵
- Process spawned unexpected child process
- Creates scheduled task(s)
PID:3612

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "SppExtComObj" /sc ONLOGON /tr "'C:\Program Files\Internet Explorer\ja-JP\SppExtComObj.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Creates scheduled task(s)
PID:4568

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "SppExtComObjS" /sc MINUTE /mo 7 /tr "'C:\Program Files\Internet Explorer\ja-JP\SppExtComObj.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Creates scheduled task(s)
PID:5080

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Winlogon Helper DLL

1

T1004

Registry Run Keys / Startup Folder

1

T1060

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Modify Registry

3

T1112

Credential Access

Credentials in Files

2

T1081

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Data from Local System

2

T1005

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Program Files\Internet Explorer\ja-JP\SppExtComObj.exe
Filesize
1.0MB

MD5
ce9d81db072369459840b1fe59a54ac9

SHA1
5813fcd53f7670656d036dfb49c6f9ed8f6eebbf

SHA256
62a30529b4349757f575cba71300e5deed89c480293142d92b44a314849a04bf

SHA512
6be82ee4dcf8bae4ee17ca174d4a90a7b74c4fd2494aefb2091d4edcefba4dfaa4db94bef180cce39959ed6997bde96f8914996138f188be2d880e86a4dfb97b

Download Submit
C:\Program Files\Internet Explorer\ja-JP\SppExtComObj.exe
Filesize
1.0MB

MD5
ce9d81db072369459840b1fe59a54ac9

SHA1
5813fcd53f7670656d036dfb49c6f9ed8f6eebbf

SHA256
62a30529b4349757f575cba71300e5deed89c480293142d92b44a314849a04bf

SHA512
6be82ee4dcf8bae4ee17ca174d4a90a7b74c4fd2494aefb2091d4edcefba4dfaa4db94bef180cce39959ed6997bde96f8914996138f188be2d880e86a4dfb97b

Download Submit
C:\Users\Admin\AppData\Local\Temp\Uy6LsnJKZb.bat
Filesize
222B

MD5
7d8b8a904e5741fb91828b6e6e6b6726

SHA1
58279ccd03332ddf2b902140a10dab55a2660d9d

SHA256
9645ddfcec31844fe57b735fbbf3dc607844986754bcf7e6743d08332a5ad2dc

SHA512
7778ec1b7f0b4348bdadee2228eed61fea0b56c7bae778708715416c41d9e341c30961891825b7efa8b62949df8f32cbd7e5fad4158ebb9b980ad8ea3be95b63

Download Submit
C:\Users\Admin\AppData\Roaming\containerfontSessionmonitorsvc\87AREt1.bat
Filesize
173B

MD5
2445216481e9c79fe7a7d2dddd5dd047

SHA1
5caaf8f423f587b26c0d98bb57db0e295d7ca6a7

SHA256
0d8405ad4bde2e23144377872f204baf9cdbc1343a55c075dabeec49a64c7c3d

SHA512
7000b171a053a0bb20c435765f2c76272e71eb4f429e2b500282f4765b9141757cdcb93a94480ae8ae0b78624098a02bb71caa111e8ab516f12c863725f86484

Download Submit
C:\Users\Admin\AppData\Roaming\containerfontSessionmonitorsvc\GkeJrm3LHsNPCuEbXf7u.vbe
Filesize
221B

MD5
fc584ab062886ba5b7b34c8a8e4f1809

SHA1
6be7eeee2021f69be9e4513f0cb28408a56caba9

SHA256
873395e08f2ca43b4698329c5e2b6667dec76f2eeb08b05a1cff0a14e5a9db76

SHA512
a74d1b3567e169ed0ec0d135e31312eeae71f87e43c2311a16539f670116f2ce75bb4b4f33a6b462aa417c3764637b3e6c027b44728b2da7874031ac0cc4a7b8

Download Submit
C:\Users\Admin\AppData\Roaming\containerfontSessionmonitorsvc\hyperReviewwin.exe
Filesize
1.0MB

MD5
ce9d81db072369459840b1fe59a54ac9

SHA1
5813fcd53f7670656d036dfb49c6f9ed8f6eebbf

SHA256
62a30529b4349757f575cba71300e5deed89c480293142d92b44a314849a04bf

SHA512
6be82ee4dcf8bae4ee17ca174d4a90a7b74c4fd2494aefb2091d4edcefba4dfaa4db94bef180cce39959ed6997bde96f8914996138f188be2d880e86a4dfb97b

Download Submit
C:\Users\Admin\AppData\Roaming\containerfontSessionmonitorsvc\hyperReviewwin.exe
Filesize
1.0MB

MD5
ce9d81db072369459840b1fe59a54ac9

SHA1
5813fcd53f7670656d036dfb49c6f9ed8f6eebbf

SHA256
62a30529b4349757f575cba71300e5deed89c480293142d92b44a314849a04bf

SHA512
6be82ee4dcf8bae4ee17ca174d4a90a7b74c4fd2494aefb2091d4edcefba4dfaa4db94bef180cce39959ed6997bde96f8914996138f188be2d880e86a4dfb97b

Download Submit
memory/384-132-0x0000000000000000-mapping.dmp

Download
memory/1012-141-0x0000000000000000-mapping.dmp

Download
memory/1108-146-0x0000000000000000-mapping.dmp

Download
memory/1108-150-0x00007FFF39CB0000-0x00007FFF3A771000-memory.dmp

Filesize
10.8MB

Download
memory/1108-149-0x00007FFF39CB0000-0x00007FFF3A771000-memory.dmp

Filesize
10.8MB

Download
memory/2440-140-0x00007FFF39CB0000-0x00007FFF3A771000-memory.dmp

Filesize
10.8MB

Download
memory/2440-142-0x00007FFF39CB0000-0x00007FFF3A771000-memory.dmp

Filesize
10.8MB

Download
memory/2440-139-0x0000000000CD0000-0x0000000000DDA000-memory.dmp

Filesize
1.0MB

Download
memory/2440-136-0x0000000000000000-mapping.dmp

Download
memory/4348-145-0x0000000000000000-mapping.dmp

Download
memory/4844-135-0x0000000000000000-mapping.dmp

Download
memory/4976-143-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads