glupteba | 56cd4516c5c5a846138a85bafe59e2ffcf33f38d94d0862b60a894825e341e63

Analysis

max time kernel
150s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20240412-en
resource tags

arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
submitted
19-04-2024 21:47

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General

Target

56cd4516c5c5a846138a85bafe59e2ffcf33f38d94d0862b60a894825e341e63.exe
Size

4.2MB
MD5

eff411249e42189d3d2bd96ea026a9b2
SHA1

2bbeab4657528598cb906b32b19222805348b37a
SHA256

56cd4516c5c5a846138a85bafe59e2ffcf33f38d94d0862b60a894825e341e63
SHA512

9eb24827075e4800a4ede790d93ae1b4508915ff8eb809f0deaf120bd57a0f424827d68425de29156073c8f8b5e05dac7005d35779461b3586f7fe26a364e5c3
SSDEEP

98304:ORe06RCZ8qdKnAdKFoI0tkW+Km95muXXLdVYjOy3P9UT:TUuqUAddtM55murAiy9a

Score

10^/10

glupteba discovery dropper evasion loader persistence rootkit upx

Malware Config

Signatures

Glupteba
Glupteba is a modular loader written in Golang with various components.
loader dropper glupteba

Glupteba payload 18 IoCs

Processes:

resource	yara_rule
behavioral2/memory/5028-2-0x0000000005210000-0x0000000005AFB000-memory.dmp	family_glupteba
behavioral2/memory/5028-3-0x0000000000400000-0x0000000003009000-memory.dmp	family_glupteba
behavioral2/memory/5028-54-0x0000000000400000-0x0000000003009000-memory.dmp	family_glupteba
behavioral2/memory/5028-56-0x0000000005210000-0x0000000005AFB000-memory.dmp	family_glupteba
behavioral2/memory/3544-58-0x0000000000400000-0x0000000003009000-memory.dmp	family_glupteba
behavioral2/memory/3544-134-0x0000000000400000-0x0000000003009000-memory.dmp	family_glupteba
behavioral2/memory/3544-155-0x0000000000400000-0x0000000003009000-memory.dmp	family_glupteba
behavioral2/memory/544-256-0x0000000000400000-0x0000000003009000-memory.dmp	family_glupteba
behavioral2/memory/544-265-0x0000000000400000-0x0000000003009000-memory.dmp	family_glupteba
behavioral2/memory/544-267-0x0000000000400000-0x0000000003009000-memory.dmp	family_glupteba
behavioral2/memory/544-269-0x0000000000400000-0x0000000003009000-memory.dmp	family_glupteba
behavioral2/memory/544-271-0x0000000000400000-0x0000000003009000-memory.dmp	family_glupteba
behavioral2/memory/544-273-0x0000000000400000-0x0000000003009000-memory.dmp	family_glupteba
behavioral2/memory/544-275-0x0000000000400000-0x0000000003009000-memory.dmp	family_glupteba
behavioral2/memory/544-277-0x0000000000400000-0x0000000003009000-memory.dmp	family_glupteba
behavioral2/memory/544-279-0x0000000000400000-0x0000000003009000-memory.dmp	family_glupteba
behavioral2/memory/544-281-0x0000000000400000-0x0000000003009000-memory.dmp	family_glupteba
behavioral2/memory/544-283-0x0000000000400000-0x0000000003009000-memory.dmp	family_glupteba

Detects Windows executables referencing non-Windows User-Agents 16 IoCs

Processes:

resource	yara_rule
behavioral2/memory/5028-3-0x0000000000400000-0x0000000003009000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA
behavioral2/memory/5028-54-0x0000000000400000-0x0000000003009000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA
behavioral2/memory/3544-58-0x0000000000400000-0x0000000003009000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA
behavioral2/memory/3544-134-0x0000000000400000-0x0000000003009000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA
behavioral2/memory/3544-155-0x0000000000400000-0x0000000003009000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA
behavioral2/memory/544-256-0x0000000000400000-0x0000000003009000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA
behavioral2/memory/544-265-0x0000000000400000-0x0000000003009000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA
behavioral2/memory/544-267-0x0000000000400000-0x0000000003009000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA
behavioral2/memory/544-269-0x0000000000400000-0x0000000003009000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA
behavioral2/memory/544-271-0x0000000000400000-0x0000000003009000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA
behavioral2/memory/544-273-0x0000000000400000-0x0000000003009000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA
behavioral2/memory/544-275-0x0000000000400000-0x0000000003009000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA
behavioral2/memory/544-277-0x0000000000400000-0x0000000003009000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA
behavioral2/memory/544-279-0x0000000000400000-0x0000000003009000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA
behavioral2/memory/544-281-0x0000000000400000-0x0000000003009000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA
behavioral2/memory/544-283-0x0000000000400000-0x0000000003009000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA

Detects executables Discord URL observed in first stage droppers 16 IoCs

Processes:

resource	yara_rule
behavioral2/memory/5028-3-0x0000000000400000-0x0000000003009000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_DiscordURL
behavioral2/memory/5028-54-0x0000000000400000-0x0000000003009000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_DiscordURL
behavioral2/memory/3544-58-0x0000000000400000-0x0000000003009000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_DiscordURL
behavioral2/memory/3544-134-0x0000000000400000-0x0000000003009000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_DiscordURL
behavioral2/memory/3544-155-0x0000000000400000-0x0000000003009000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_DiscordURL
behavioral2/memory/544-256-0x0000000000400000-0x0000000003009000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_DiscordURL
behavioral2/memory/544-265-0x0000000000400000-0x0000000003009000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_DiscordURL
behavioral2/memory/544-267-0x0000000000400000-0x0000000003009000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_DiscordURL
behavioral2/memory/544-269-0x0000000000400000-0x0000000003009000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_DiscordURL
behavioral2/memory/544-271-0x0000000000400000-0x0000000003009000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_DiscordURL
behavioral2/memory/544-273-0x0000000000400000-0x0000000003009000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_DiscordURL
behavioral2/memory/544-275-0x0000000000400000-0x0000000003009000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_DiscordURL
behavioral2/memory/544-277-0x0000000000400000-0x0000000003009000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_DiscordURL
behavioral2/memory/544-279-0x0000000000400000-0x0000000003009000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_DiscordURL
behavioral2/memory/544-281-0x0000000000400000-0x0000000003009000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_DiscordURL
behavioral2/memory/544-283-0x0000000000400000-0x0000000003009000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_DiscordURL

Detects executables containing URLs to raw contents of a Github gist 16 IoCs

Processes:

resource	yara_rule
behavioral2/memory/5028-3-0x0000000000400000-0x0000000003009000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_RawGitHub_URL
behavioral2/memory/5028-54-0x0000000000400000-0x0000000003009000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_RawGitHub_URL
behavioral2/memory/3544-58-0x0000000000400000-0x0000000003009000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_RawGitHub_URL
behavioral2/memory/3544-134-0x0000000000400000-0x0000000003009000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_RawGitHub_URL
behavioral2/memory/3544-155-0x0000000000400000-0x0000000003009000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_RawGitHub_URL
behavioral2/memory/544-256-0x0000000000400000-0x0000000003009000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_RawGitHub_URL
behavioral2/memory/544-265-0x0000000000400000-0x0000000003009000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_RawGitHub_URL
behavioral2/memory/544-267-0x0000000000400000-0x0000000003009000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_RawGitHub_URL
behavioral2/memory/544-269-0x0000000000400000-0x0000000003009000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_RawGitHub_URL
behavioral2/memory/544-271-0x0000000000400000-0x0000000003009000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_RawGitHub_URL
behavioral2/memory/544-273-0x0000000000400000-0x0000000003009000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_RawGitHub_URL
behavioral2/memory/544-275-0x0000000000400000-0x0000000003009000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_RawGitHub_URL
behavioral2/memory/544-277-0x0000000000400000-0x0000000003009000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_RawGitHub_URL
behavioral2/memory/544-279-0x0000000000400000-0x0000000003009000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_RawGitHub_URL
behavioral2/memory/544-281-0x0000000000400000-0x0000000003009000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_RawGitHub_URL
behavioral2/memory/544-283-0x0000000000400000-0x0000000003009000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_RawGitHub_URL

Detects executables containing artifacts associated with disabling Widnows Defender 16 IoCs

Processes:

resource	yara_rule
behavioral2/memory/5028-3-0x0000000000400000-0x0000000003009000-memory.dmp	INDICATOR_SUSPICIOUS_DisableWinDefender
behavioral2/memory/5028-54-0x0000000000400000-0x0000000003009000-memory.dmp	INDICATOR_SUSPICIOUS_DisableWinDefender
behavioral2/memory/3544-58-0x0000000000400000-0x0000000003009000-memory.dmp	INDICATOR_SUSPICIOUS_DisableWinDefender
behavioral2/memory/3544-134-0x0000000000400000-0x0000000003009000-memory.dmp	INDICATOR_SUSPICIOUS_DisableWinDefender
behavioral2/memory/3544-155-0x0000000000400000-0x0000000003009000-memory.dmp	INDICATOR_SUSPICIOUS_DisableWinDefender
behavioral2/memory/544-256-0x0000000000400000-0x0000000003009000-memory.dmp	INDICATOR_SUSPICIOUS_DisableWinDefender
behavioral2/memory/544-265-0x0000000000400000-0x0000000003009000-memory.dmp	INDICATOR_SUSPICIOUS_DisableWinDefender
behavioral2/memory/544-267-0x0000000000400000-0x0000000003009000-memory.dmp	INDICATOR_SUSPICIOUS_DisableWinDefender
behavioral2/memory/544-269-0x0000000000400000-0x0000000003009000-memory.dmp	INDICATOR_SUSPICIOUS_DisableWinDefender
behavioral2/memory/544-271-0x0000000000400000-0x0000000003009000-memory.dmp	INDICATOR_SUSPICIOUS_DisableWinDefender
behavioral2/memory/544-273-0x0000000000400000-0x0000000003009000-memory.dmp	INDICATOR_SUSPICIOUS_DisableWinDefender
behavioral2/memory/544-275-0x0000000000400000-0x0000000003009000-memory.dmp	INDICATOR_SUSPICIOUS_DisableWinDefender
behavioral2/memory/544-277-0x0000000000400000-0x0000000003009000-memory.dmp	INDICATOR_SUSPICIOUS_DisableWinDefender
behavioral2/memory/544-279-0x0000000000400000-0x0000000003009000-memory.dmp	INDICATOR_SUSPICIOUS_DisableWinDefender
behavioral2/memory/544-281-0x0000000000400000-0x0000000003009000-memory.dmp	INDICATOR_SUSPICIOUS_DisableWinDefender
behavioral2/memory/544-283-0x0000000000400000-0x0000000003009000-memory.dmp	INDICATOR_SUSPICIOUS_DisableWinDefender

Detects executables referencing many varying, potentially fake Windows User-Agents 16 IoCs

Processes:

resource	yara_rule
behavioral2/memory/5028-3-0x0000000000400000-0x0000000003009000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_TooManyWindowsUA
behavioral2/memory/5028-54-0x0000000000400000-0x0000000003009000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_TooManyWindowsUA
behavioral2/memory/3544-58-0x0000000000400000-0x0000000003009000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_TooManyWindowsUA
behavioral2/memory/3544-134-0x0000000000400000-0x0000000003009000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_TooManyWindowsUA
behavioral2/memory/3544-155-0x0000000000400000-0x0000000003009000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_TooManyWindowsUA
behavioral2/memory/544-256-0x0000000000400000-0x0000000003009000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_TooManyWindowsUA
behavioral2/memory/544-265-0x0000000000400000-0x0000000003009000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_TooManyWindowsUA
behavioral2/memory/544-267-0x0000000000400000-0x0000000003009000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_TooManyWindowsUA
behavioral2/memory/544-269-0x0000000000400000-0x0000000003009000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_TooManyWindowsUA
behavioral2/memory/544-271-0x0000000000400000-0x0000000003009000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_TooManyWindowsUA
behavioral2/memory/544-273-0x0000000000400000-0x0000000003009000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_TooManyWindowsUA
behavioral2/memory/544-275-0x0000000000400000-0x0000000003009000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_TooManyWindowsUA
behavioral2/memory/544-277-0x0000000000400000-0x0000000003009000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_TooManyWindowsUA
behavioral2/memory/544-279-0x0000000000400000-0x0000000003009000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_TooManyWindowsUA
behavioral2/memory/544-281-0x0000000000400000-0x0000000003009000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_TooManyWindowsUA
behavioral2/memory/544-283-0x0000000000400000-0x0000000003009000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_TooManyWindowsUA

UPX dump on OEP (original entry point) 4 IoCs

Processes:

resource	yara_rule
C:\Windows\windefender.exe	UPX
behavioral2/memory/1720-264-0x0000000000400000-0x00000000008DF000-memory.dmp	UPX
behavioral2/memory/1176-266-0x0000000000400000-0x00000000008DF000-memory.dmp	UPX
behavioral2/memory/1176-270-0x0000000000400000-0x00000000008DF000-memory.dmp	UPX

Modifies Windows Firewall 2 TTPs 1 IoCs
evasion

Windows Service
T1543.003

Disable or Modify System Firewall
T1562.004

Processes:

netsh.exe

pid process

3468 netsh.exe
Executes dropped EXE 4 IoCs

Processes:

csrss.exeinjector.exewindefender.exewindefender.exe

pid process

544 csrss.exe
556 injector.exe
1720 windefender.exe
1176 windefender.exe

pid	process
3468	netsh.exe

pid	process
544	csrss.exe
556	injector.exe
1720	windefender.exe
1176	windefender.exe

UPX packed file 4 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

Processes:

resource	yara_rule
C:\Windows\windefender.exe	upx
behavioral2/memory/1720-264-0x0000000000400000-0x00000000008DF000-memory.dmp	upx
behavioral2/memory/1176-266-0x0000000000400000-0x00000000008DF000-memory.dmp	upx
behavioral2/memory/1176-270-0x0000000000400000-0x00000000008DF000-memory.dmp	upx

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

56cd4516c5c5a846138a85bafe59e2ffcf33f38d94d0862b60a894825e341e63.execsrss.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-355664440-2199602304-1223909400-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\""	56cd4516c5c5a846138a85bafe59e2ffcf33f38d94d0862b60a894825e341e63.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-355664440-2199602304-1223909400-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\""	csrss.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
Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
rootkit evasion

Processes:

csrss.exe

description ioc process

File opened for modification \??\WinMonFS csrss.exe

description	ioc	process
File opened for modification	\??\WinMonFS	csrss.exe

Drops file in System32 directory 7 IoCs

Processes:

powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exe

description	ioc	process
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive	powershell.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive	powershell.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive	powershell.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive	powershell.exe
File created	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive	powershell.exe
File created	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log	powershell.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive	powershell.exe

Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.

System Information Discovery
T1082

Processes:

56cd4516c5c5a846138a85bafe59e2ffcf33f38d94d0862b60a894825e341e63.exe

description ioc process

File opened (read-only) \??\VBoxMiniRdrDN 56cd4516c5c5a846138a85bafe59e2ffcf33f38d94d0862b60a894825e341e63.exe

description	ioc	process
File opened (read-only)	\??\VBoxMiniRdrDN	56cd4516c5c5a846138a85bafe59e2ffcf33f38d94d0862b60a894825e341e63.exe

Drops file in Windows directory 4 IoCs

Processes:

56cd4516c5c5a846138a85bafe59e2ffcf33f38d94d0862b60a894825e341e63.execsrss.exe

description	ioc	process
File opened for modification	C:\Windows\rss	56cd4516c5c5a846138a85bafe59e2ffcf33f38d94d0862b60a894825e341e63.exe
File created	C:\Windows\rss\csrss.exe	56cd4516c5c5a846138a85bafe59e2ffcf33f38d94d0862b60a894825e341e63.exe
File created	C:\Windows\windefender.exe	csrss.exe
File opened for modification	C:\Windows\windefender.exe	csrss.exe

Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.

Processes:

sc.exe

pid process

2732 sc.exe
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

812 3544 WerFault.exe 56cd4516c5c5a846138a85bafe59e2ffcf33f38d94d0862b60a894825e341e63.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/Job
T1053

Processes:

schtasks.exeschtasks.exe

pid process

4212 schtasks.exe
3728 schtasks.exe

pid	process
2732	sc.exe

pid	pid_target	process	target process
812	3544	WerFault.exe	56cd4516c5c5a846138a85bafe59e2ffcf33f38d94d0862b60a894825e341e63.exe

pid	process
4212	schtasks.exe
3728	schtasks.exe

Modifies data under HKEY_USERS 64 IoCs

Processes:

powershell.exepowershell.exepowershell.exewindefender.exe56cd4516c5c5a846138a85bafe59e2ffcf33f38d94d0862b60a894825e341e63.exepowershell.exepowershell.exepowershell.exe

description	ioc	process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs	powershell.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-451 = "Caucasus Daylight Time"	windefender.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2371 = "Easter Island Daylight Time"	windefender.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-382 = "South Africa Standard Time"	windefender.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-271 = "Greenwich Daylight Time"	56cd4516c5c5a846138a85bafe59e2ffcf33f38d94d0862b60a894825e341e63.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1872 = "Russia TZ 7 Standard Time"	56cd4516c5c5a846138a85bafe59e2ffcf33f38d94d0862b60a894825e341e63.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-932 = "Coordinated Universal Time"	56cd4516c5c5a846138a85bafe59e2ffcf33f38d94d0862b60a894825e341e63.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-449 = "Azerbaijan Standard Time"	56cd4516c5c5a846138a85bafe59e2ffcf33f38d94d0862b60a894825e341e63.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-252 = "Dateline Standard Time"	56cd4516c5c5a846138a85bafe59e2ffcf33f38d94d0862b60a894825e341e63.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-752 = "Tonga Standard Time"	windefender.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1042 = "Ulaanbaatar Standard Time"	56cd4516c5c5a846138a85bafe59e2ffcf33f38d94d0862b60a894825e341e63.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-462 = "Afghanistan Standard Time"	windefender.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-661 = "Cen. Australia Daylight Time"	56cd4516c5c5a846138a85bafe59e2ffcf33f38d94d0862b60a894825e341e63.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-292 = "Central European Standard Time"	56cd4516c5c5a846138a85bafe59e2ffcf33f38d94d0862b60a894825e341e63.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-3142 = "South Sudan Standard Time"	windefender.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-12 = "Azores Standard Time"	windefender.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-562 = "SE Asia Standard Time"	56cd4516c5c5a846138a85bafe59e2ffcf33f38d94d0862b60a894825e341e63.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-571 = "China Daylight Time"	windefender.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-682 = "E. Australia Standard Time"	windefender.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-512 = "Central Asia Standard Time"	56cd4516c5c5a846138a85bafe59e2ffcf33f38d94d0862b60a894825e341e63.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-682 = "E. Australia Standard Time"	56cd4516c5c5a846138a85bafe59e2ffcf33f38d94d0862b60a894825e341e63.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-601 = "Taipei Daylight Time"	56cd4516c5c5a846138a85bafe59e2ffcf33f38d94d0862b60a894825e341e63.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-671 = "AUS Eastern Daylight Time"	windefender.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-442 = "Arabian Standard Time"	56cd4516c5c5a846138a85bafe59e2ffcf33f38d94d0862b60a894825e341e63.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-291 = "Central European Daylight Time"	56cd4516c5c5a846138a85bafe59e2ffcf33f38d94d0862b60a894825e341e63.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-661 = "Cen. Australia Daylight Time"	windefender.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-721 = "Central Pacific Daylight Time"	windefender.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-364 = "Middle East Daylight Time"	56cd4516c5c5a846138a85bafe59e2ffcf33f38d94d0862b60a894825e341e63.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-401 = "Arabic Daylight Time"	windefender.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-91 = "Pacific SA Daylight Time"	windefender.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-931 = "Coordinated Universal Time"	windefender.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-82 = "Atlantic Standard Time"	56cd4516c5c5a846138a85bafe59e2ffcf33f38d94d0862b60a894825e341e63.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2411 = "Marquesas Daylight Time"	56cd4516c5c5a846138a85bafe59e2ffcf33f38d94d0862b60a894825e341e63.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2142 = "Transbaikal Standard Time"	windefender.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-751 = "Tonga Daylight Time"	56cd4516c5c5a846138a85bafe59e2ffcf33f38d94d0862b60a894825e341e63.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-392 = "Arab Standard Time"	windefender.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-281 = "Central Europe Daylight Time"	56cd4516c5c5a846138a85bafe59e2ffcf33f38d94d0862b60a894825e341e63.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-332 = "E. Europe Standard Time"	56cd4516c5c5a846138a85bafe59e2ffcf33f38d94d0862b60a894825e341e63.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-681 = "E. Australia Daylight Time"	windefender.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-352 = "FLE Standard Time"	56cd4516c5c5a846138a85bafe59e2ffcf33f38d94d0862b60a894825e341e63.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1832 = "Russia TZ 2 Standard Time"	56cd4516c5c5a846138a85bafe59e2ffcf33f38d94d0862b60a894825e341e63.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1501 = "Turkey Daylight Time"	56cd4516c5c5a846138a85bafe59e2ffcf33f38d94d0862b60a894825e341e63.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

powershell.exe56cd4516c5c5a846138a85bafe59e2ffcf33f38d94d0862b60a894825e341e63.exepowershell.exe56cd4516c5c5a846138a85bafe59e2ffcf33f38d94d0862b60a894825e341e63.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exeinjector.execsrss.exe

pid	process
540	powershell.exe
540	powershell.exe
5028	56cd4516c5c5a846138a85bafe59e2ffcf33f38d94d0862b60a894825e341e63.exe
5028	56cd4516c5c5a846138a85bafe59e2ffcf33f38d94d0862b60a894825e341e63.exe
448	powershell.exe
448	powershell.exe
448	powershell.exe
3544	56cd4516c5c5a846138a85bafe59e2ffcf33f38d94d0862b60a894825e341e63.exe
3544	56cd4516c5c5a846138a85bafe59e2ffcf33f38d94d0862b60a894825e341e63.exe
3544	56cd4516c5c5a846138a85bafe59e2ffcf33f38d94d0862b60a894825e341e63.exe
3544	56cd4516c5c5a846138a85bafe59e2ffcf33f38d94d0862b60a894825e341e63.exe
3544	56cd4516c5c5a846138a85bafe59e2ffcf33f38d94d0862b60a894825e341e63.exe
3544	56cd4516c5c5a846138a85bafe59e2ffcf33f38d94d0862b60a894825e341e63.exe
3544	56cd4516c5c5a846138a85bafe59e2ffcf33f38d94d0862b60a894825e341e63.exe
3544	56cd4516c5c5a846138a85bafe59e2ffcf33f38d94d0862b60a894825e341e63.exe
3544	56cd4516c5c5a846138a85bafe59e2ffcf33f38d94d0862b60a894825e341e63.exe
3544	56cd4516c5c5a846138a85bafe59e2ffcf33f38d94d0862b60a894825e341e63.exe
1888	powershell.exe
1888	powershell.exe
1888	powershell.exe
1624	powershell.exe
1624	powershell.exe
1624	powershell.exe
604	powershell.exe
604	powershell.exe
604	powershell.exe
3880	powershell.exe
3880	powershell.exe
3880	powershell.exe
2204	powershell.exe
2204	powershell.exe
2204	powershell.exe
556	injector.exe
556	injector.exe
556	injector.exe
556	injector.exe
556	injector.exe
556	injector.exe
544	csrss.exe
544	csrss.exe
556	injector.exe
556	injector.exe
556	injector.exe
556	injector.exe
556	injector.exe
556	injector.exe
544	csrss.exe
544	csrss.exe
556	injector.exe
556	injector.exe
556	injector.exe
556	injector.exe
544	csrss.exe
544	csrss.exe
556	injector.exe
556	injector.exe
556	injector.exe
556	injector.exe
556	injector.exe
556	injector.exe
556	injector.exe
556	injector.exe
556	injector.exe
556	injector.exe

Suspicious use of AdjustPrivilegeToken 12 IoCs

Processes:

powershell.exe56cd4516c5c5a846138a85bafe59e2ffcf33f38d94d0862b60a894825e341e63.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.execsrss.exesc.exe

description	pid	process
Token: SeDebugPrivilege	540	powershell.exe
Token: SeDebugPrivilege	5028	56cd4516c5c5a846138a85bafe59e2ffcf33f38d94d0862b60a894825e341e63.exe
Token: SeImpersonatePrivilege	5028	56cd4516c5c5a846138a85bafe59e2ffcf33f38d94d0862b60a894825e341e63.exe
Token: SeDebugPrivilege	448	powershell.exe
Token: SeDebugPrivilege	1888	powershell.exe
Token: SeDebugPrivilege	1624	powershell.exe
Token: SeDebugPrivilege	604	powershell.exe
Token: SeDebugPrivilege	3880	powershell.exe
Token: SeDebugPrivilege	2204	powershell.exe
Token: SeSystemEnvironmentPrivilege	544	csrss.exe
Token: SeSecurityPrivilege	2732	sc.exe
Token: SeSecurityPrivilege	2732	sc.exe

Suspicious use of WriteProcessMemory 36 IoCs

Processes:

56cd4516c5c5a846138a85bafe59e2ffcf33f38d94d0862b60a894825e341e63.exe56cd4516c5c5a846138a85bafe59e2ffcf33f38d94d0862b60a894825e341e63.execmd.execsrss.exewindefender.execmd.exe

description	pid	process	target process
PID 5028 wrote to memory of 540	5028	56cd4516c5c5a846138a85bafe59e2ffcf33f38d94d0862b60a894825e341e63.exe	powershell.exe
PID 5028 wrote to memory of 540	5028	56cd4516c5c5a846138a85bafe59e2ffcf33f38d94d0862b60a894825e341e63.exe	powershell.exe
PID 5028 wrote to memory of 540	5028	56cd4516c5c5a846138a85bafe59e2ffcf33f38d94d0862b60a894825e341e63.exe	powershell.exe
PID 3544 wrote to memory of 448	3544	56cd4516c5c5a846138a85bafe59e2ffcf33f38d94d0862b60a894825e341e63.exe	powershell.exe
PID 3544 wrote to memory of 448	3544	56cd4516c5c5a846138a85bafe59e2ffcf33f38d94d0862b60a894825e341e63.exe	powershell.exe
PID 3544 wrote to memory of 448	3544	56cd4516c5c5a846138a85bafe59e2ffcf33f38d94d0862b60a894825e341e63.exe	powershell.exe
PID 3544 wrote to memory of 4312	3544	56cd4516c5c5a846138a85bafe59e2ffcf33f38d94d0862b60a894825e341e63.exe	cmd.exe
PID 3544 wrote to memory of 4312	3544	56cd4516c5c5a846138a85bafe59e2ffcf33f38d94d0862b60a894825e341e63.exe	cmd.exe
PID 4312 wrote to memory of 3468	4312	cmd.exe	netsh.exe
PID 4312 wrote to memory of 3468	4312	cmd.exe	netsh.exe
PID 3544 wrote to memory of 1888	3544	56cd4516c5c5a846138a85bafe59e2ffcf33f38d94d0862b60a894825e341e63.exe	powershell.exe
PID 3544 wrote to memory of 1888	3544	56cd4516c5c5a846138a85bafe59e2ffcf33f38d94d0862b60a894825e341e63.exe	powershell.exe
PID 3544 wrote to memory of 1888	3544	56cd4516c5c5a846138a85bafe59e2ffcf33f38d94d0862b60a894825e341e63.exe	powershell.exe
PID 3544 wrote to memory of 1624	3544	56cd4516c5c5a846138a85bafe59e2ffcf33f38d94d0862b60a894825e341e63.exe	powershell.exe
PID 3544 wrote to memory of 1624	3544	56cd4516c5c5a846138a85bafe59e2ffcf33f38d94d0862b60a894825e341e63.exe	powershell.exe
PID 3544 wrote to memory of 1624	3544	56cd4516c5c5a846138a85bafe59e2ffcf33f38d94d0862b60a894825e341e63.exe	powershell.exe
PID 3544 wrote to memory of 544	3544	56cd4516c5c5a846138a85bafe59e2ffcf33f38d94d0862b60a894825e341e63.exe	csrss.exe
PID 3544 wrote to memory of 544	3544	56cd4516c5c5a846138a85bafe59e2ffcf33f38d94d0862b60a894825e341e63.exe	csrss.exe
PID 3544 wrote to memory of 544	3544	56cd4516c5c5a846138a85bafe59e2ffcf33f38d94d0862b60a894825e341e63.exe	csrss.exe
PID 544 wrote to memory of 604	544	csrss.exe	powershell.exe
PID 544 wrote to memory of 604	544	csrss.exe	powershell.exe
PID 544 wrote to memory of 604	544	csrss.exe	powershell.exe
PID 544 wrote to memory of 3880	544	csrss.exe	powershell.exe
PID 544 wrote to memory of 3880	544	csrss.exe	powershell.exe
PID 544 wrote to memory of 3880	544	csrss.exe	powershell.exe
PID 544 wrote to memory of 2204	544	csrss.exe	powershell.exe
PID 544 wrote to memory of 2204	544	csrss.exe	powershell.exe
PID 544 wrote to memory of 2204	544	csrss.exe	powershell.exe
PID 544 wrote to memory of 556	544	csrss.exe	injector.exe
PID 544 wrote to memory of 556	544	csrss.exe	injector.exe
PID 1720 wrote to memory of 776	1720	windefender.exe	cmd.exe
PID 1720 wrote to memory of 776	1720	windefender.exe	cmd.exe
PID 1720 wrote to memory of 776	1720	windefender.exe	cmd.exe
PID 776 wrote to memory of 2732	776	cmd.exe	sc.exe
PID 776 wrote to memory of 2732	776	cmd.exe	sc.exe
PID 776 wrote to memory of 2732	776	cmd.exe	sc.exe

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\56cd4516c5c5a846138a85bafe59e2ffcf33f38d94d0862b60a894825e341e63.exe
"C:\Users\Admin\AppData\Local\Temp\56cd4516c5c5a846138a85bafe59e2ffcf33f38d94d0862b60a894825e341e63.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5028

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
powershell -nologo -noprofile
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:540

C:\Users\Admin\AppData\Local\Temp\56cd4516c5c5a846138a85bafe59e2ffcf33f38d94d0862b60a894825e341e63.exe
"C:\Users\Admin\AppData\Local\Temp\56cd4516c5c5a846138a85bafe59e2ffcf33f38d94d0862b60a894825e341e63.exe"
2⤵
- Adds Run key to start application
- Checks for VirtualBox DLLs, possible anti-VM trick
- Drops file in Windows directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3544

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
powershell -nologo -noprofile
3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:448

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:4312

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 Windows Firewall
PID:3468

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
powershell -nologo -noprofile
3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1888

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
powershell -nologo -noprofile
3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1624

C:\Windows\rss\csrss.exe
C:\Windows\rss\csrss.exe
3⤵
- Executes dropped EXE
- Adds Run key to start application
- Manipulates WinMonFS driver.
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:544

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
powershell -nologo -noprofile
4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:604

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:4212

C:\Windows\SYSTEM32\schtasks.exe
schtasks /delete /tn ScheduledUpdate /f
4⤵
PID:1632

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
powershell -nologo -noprofile
4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3880

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
powershell -nologo -noprofile
4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2204

C:\Users\Admin\AppData\Local\Temp\csrss\injector\injector.exe
C:\Users\Admin\AppData\Local\Temp\csrss\injector\injector.exe taskmgr.exe C:\Users\Admin\AppData\Local\Temp\csrss\injector\NtQuerySystemInformationHook.dll
4⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
PID:556

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:3728

C:\Windows\windefender.exe
"C:\Windows\windefender.exe"
4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1720

C:\Windows\SysWOW64\cmd.exe
cmd.exe /C sc sdset WinDefender D:(A;;CCLCSWRPWPDTLOCRRC;;;SY)(A;;CCDCLCSWRPLOCRSDRCWDWO;;;BA)(D;;WPDT;;;BA)(A;;CCLCSWLOCRRC;;;IU)(A;;CCLCSWLOCRRC;;;SU)S:(AU;FA;CCDCLCSWRPWPDTLOCRSDRCWDWO;;;WD)
5⤵
- Suspicious use of WriteProcessMemory
PID:776

C:\Windows\SysWOW64\sc.exe
sc sdset WinDefender D:(A;;CCLCSWRPWPDTLOCRRC;;;SY)(A;;CCDCLCSWRPLOCRSDRCWDWO;;;BA)(D;;WPDT;;;BA)(A;;CCLCSWLOCRRC;;;IU)(A;;CCLCSWLOCRRC;;;SU)S:(AU;FA;CCDCLCSWRPWPDTLOCRSDRCWDWO;;;WD)
6⤵
- Launches sc.exe
- Suspicious use of AdjustPrivilegeToken
PID:2732

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3544 -s 616
3⤵
- Program crash
PID:812

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 3544 -ip 3544
1⤵
PID:3340

C:\Windows\windefender.exe
C:\Windows\windefender.exe
1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:1176

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Scheduled Task/Job

T1053

Persistence

Create or Modify System Process

T1543

Windows Service

T1543.003

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Privilege Escalation

Create or Modify System Process

T1543

Windows Service

T1543.003

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Defense Evasion

Impair Defenses

T1562

Disable or Modify System Firewall

T1562.004

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_qcsbszsk.shv.ps1
Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\csrss\injector\injector.exe
Filesize
281KB

MD5
d98e33b66343e7c96158444127a117f6

SHA1
bb716c5509a2bf345c6c1152f6e3e1452d39d50d

SHA256
5de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1

SHA512
705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5

Download Submit
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Filesize
2KB

MD5
968cb9309758126772781b83adb8a28f

SHA1
8da30e71accf186b2ba11da1797cf67f8f78b47c

SHA256
92099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a

SHA512
4bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3

Download Submit
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize
19KB

MD5
de19a4d6c2f5fdcf1d93754cc30c0d2a

SHA1
a46e249d32421412831c3283de66b00a79492004

SHA256
370d776c981202136c0d9cd7da8eca9dc2d70406d3f4d95f825d5557f05ec26d

SHA512
ada2624d20fbeb06950ac2c2a5cf989529429fad53bacd2e8d6414b8dbdb55b91a84b2345ecce811fdc798a2f59ac4e4fc4eabdfcc5593f19621edeb34711106

Download Submit
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize
19KB

MD5
c6b913dd3a010659eca00f7b73741162

SHA1
2bfb8d2ddd534ce8b943fb0f3c980059efaf8a2a

SHA256
f8be4428624a045d5479efd9fcb2d4290f5537924b6155845f12dc39da9f73b3

SHA512
36865c39711c8d2a5ea7eacf31698a95deb1441ee3791d49f1a384026b2b0540b26614764b6c0b3525bef7693454d3184b27d41b1c41dcff13f196b54013ac79

Download Submit
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize
19KB

MD5
99166e98492cc41a83974f3aa9aa268b

SHA1
a93508ba1bf595bc61119cb9fe704e37d1701b9c

SHA256
deeb842e374fead20a85fbd2a3819336db4052635853160f5c24a3c504b2eb99

SHA512
64170fd0a969db86ab118aa3c1801454fcf62a3ac2ff41a1b160c6b1ee887bdc458772556528d1c870b2de8e720d5ed24e365d4db346470716e41bb68f982956

Download Submit
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize
19KB

MD5
75d703088537d9d39e2070825e1be31d

SHA1
17b6605ed4a1ab3e1dd5b8d41c373796243837a8

SHA256
83067e66cbd32655560e33c69f852a293bd2bd2167edf41a6b7f176e07ca125a

SHA512
077e32c2d5764b67109ae50180702c7995142d6f4938834a8ba768a6efc82312397ac0cf4c52fc3ff0b5ddaf3539f3521cbf9b3b4bc6018b8aa35f0007797605

Download Submit
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize
19KB

MD5
f2f88df585cbdb1250d58e622223d717

SHA1
c552f430216633149ece740fa889d2c353828cb7

SHA256
450382a5a3911dbd32c37d5995816addeecbb2133681d500cafba6e8d3599b15

SHA512
e3d3e49094d49acfce57033f6c73f97fee139550c97e0a0d38dd68408dd92170cdd2f108be53dc600fdbb73c7cdbe382f8ade95c7f8b766551400da4895f2d23

Download Submit
C:\Windows\rss\csrss.exe
Filesize
4.2MB

MD5
eff411249e42189d3d2bd96ea026a9b2

SHA1
2bbeab4657528598cb906b32b19222805348b37a

SHA256
56cd4516c5c5a846138a85bafe59e2ffcf33f38d94d0862b60a894825e341e63

SHA512
9eb24827075e4800a4ede790d93ae1b4508915ff8eb809f0deaf120bd57a0f424827d68425de29156073c8f8b5e05dac7005d35779461b3586f7fe26a364e5c3

Download Submit
C:\Windows\windefender.exe
Filesize
2.0MB

MD5
8e67f58837092385dcf01e8a2b4f5783

SHA1
012c49cfd8c5d06795a6f67ea2baf2a082cf8625

SHA256
166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa

SHA512
40d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec

Download Submit
memory/448-91-0x0000000074A30000-0x00000000751E0000-memory.dmp

Filesize
7.7MB

Download
memory/448-88-0x00000000075B0000-0x00000000075C4000-memory.dmp

Filesize
80KB

Download
memory/448-59-0x0000000074A30000-0x00000000751E0000-memory.dmp

Filesize
7.7MB

Download
memory/448-87-0x0000000007560000-0x0000000007571000-memory.dmp

Filesize
68KB

Download
memory/448-85-0x0000000007240000-0x00000000072E3000-memory.dmp

Filesize
652KB

Download
memory/448-86-0x0000000002720000-0x0000000002730000-memory.dmp

Filesize
64KB

Download
memory/448-75-0x00000000710D0000-0x0000000071424000-memory.dmp

Filesize
3.3MB

Download
memory/448-73-0x000000007F570000-0x000000007F580000-memory.dmp

Filesize
64KB

Download
memory/448-74-0x0000000070930000-0x000000007097C000-memory.dmp

Filesize
304KB

Download
memory/448-72-0x00000000060A0000-0x00000000060EC000-memory.dmp

Filesize
304KB

Download
memory/448-71-0x0000000005A30000-0x0000000005D84000-memory.dmp

Filesize
3.3MB

Download
memory/448-60-0x0000000002720000-0x0000000002730000-memory.dmp

Filesize
64KB

Download
memory/448-61-0x0000000002720000-0x0000000002730000-memory.dmp

Filesize
64KB

Download
memory/540-31-0x0000000070FB0000-0x0000000071304000-memory.dmp

Filesize
3.3MB

Download
memory/540-5-0x0000000074990000-0x0000000075140000-memory.dmp

Filesize
7.7MB

Download
memory/540-43-0x00000000074E0000-0x0000000007583000-memory.dmp

Filesize
652KB

Download
memory/540-44-0x00000000075D0000-0x00000000075DA000-memory.dmp

Filesize
40KB

Download
memory/540-45-0x0000000007690000-0x0000000007726000-memory.dmp

Filesize
600KB

Download
memory/540-46-0x00000000075F0000-0x0000000007601000-memory.dmp

Filesize
68KB

Download
memory/540-47-0x0000000007630000-0x000000000763E000-memory.dmp

Filesize
56KB

Download
memory/540-48-0x0000000007640000-0x0000000007654000-memory.dmp

Filesize
80KB

Download
memory/540-49-0x0000000007730000-0x000000000774A000-memory.dmp

Filesize
104KB

Download
memory/540-50-0x0000000007670000-0x0000000007678000-memory.dmp

Filesize
32KB

Download
memory/540-53-0x0000000074990000-0x0000000075140000-memory.dmp

Filesize
7.7MB

Download
memory/540-4-0x0000000002600000-0x0000000002636000-memory.dmp

Filesize
216KB

Download
memory/540-41-0x00000000074C0000-0x00000000074DE000-memory.dmp

Filesize
120KB

Download
memory/540-6-0x0000000004DB0000-0x0000000004DC0000-memory.dmp

Filesize
64KB

Download
memory/540-7-0x0000000004DB0000-0x0000000004DC0000-memory.dmp

Filesize
64KB

Download
memory/540-42-0x0000000004DB0000-0x0000000004DC0000-memory.dmp

Filesize
64KB

Download
memory/540-8-0x00000000053F0000-0x0000000005A18000-memory.dmp

Filesize
6.2MB

Download
memory/540-30-0x0000000070830000-0x000000007087C000-memory.dmp

Filesize
304KB

Download
memory/540-28-0x0000000007480000-0x00000000074B2000-memory.dmp

Filesize
200KB

Download
memory/540-29-0x000000007EF90000-0x000000007EFA0000-memory.dmp

Filesize
64KB

Download
memory/540-27-0x00000000072D0000-0x00000000072EA000-memory.dmp

Filesize
104KB

Download
memory/540-26-0x0000000007930000-0x0000000007FAA000-memory.dmp

Filesize
6.5MB

Download
memory/540-25-0x0000000007230000-0x00000000072A6000-memory.dmp

Filesize
472KB

Download
memory/540-24-0x0000000007070000-0x00000000070B4000-memory.dmp

Filesize
272KB

Download
memory/540-23-0x0000000005F90000-0x0000000005FDC000-memory.dmp

Filesize
304KB

Download
memory/540-22-0x0000000005F00000-0x0000000005F1E000-memory.dmp

Filesize
120KB

Download
memory/540-12-0x0000000005A20000-0x0000000005D74000-memory.dmp

Filesize
3.3MB

Download
memory/540-11-0x00000000052E0000-0x0000000005346000-memory.dmp

Filesize
408KB

Download
memory/540-10-0x0000000005200000-0x0000000005266000-memory.dmp

Filesize
408KB

Download
memory/540-9-0x0000000004F60000-0x0000000004F82000-memory.dmp

Filesize
136KB

Download
memory/544-267-0x0000000000400000-0x0000000003009000-memory.dmp

Filesize
44.0MB

Download
memory/544-283-0x0000000000400000-0x0000000003009000-memory.dmp

Filesize
44.0MB

Download
memory/544-281-0x0000000000400000-0x0000000003009000-memory.dmp

Filesize
44.0MB

Download
memory/544-279-0x0000000000400000-0x0000000003009000-memory.dmp

Filesize
44.0MB

Download
memory/544-277-0x0000000000400000-0x0000000003009000-memory.dmp

Filesize
44.0MB

Download
memory/544-275-0x0000000000400000-0x0000000003009000-memory.dmp

Filesize
44.0MB

Download
memory/544-273-0x0000000000400000-0x0000000003009000-memory.dmp

Filesize
44.0MB

Download
memory/544-271-0x0000000000400000-0x0000000003009000-memory.dmp

Filesize
44.0MB

Download
memory/544-256-0x0000000000400000-0x0000000003009000-memory.dmp

Filesize
44.0MB

Download
memory/544-269-0x0000000000400000-0x0000000003009000-memory.dmp

Filesize
44.0MB

Download
memory/544-265-0x0000000000400000-0x0000000003009000-memory.dmp

Filesize
44.0MB

Download
memory/1176-270-0x0000000000400000-0x00000000008DF000-memory.dmp

Filesize
4.9MB

Download
memory/1176-266-0x0000000000400000-0x00000000008DF000-memory.dmp

Filesize
4.9MB

Download
memory/1624-135-0x0000000002490000-0x00000000024A0000-memory.dmp

Filesize
64KB

Download
memory/1624-137-0x0000000070930000-0x000000007097C000-memory.dmp

Filesize
304KB

Download
memory/1624-136-0x000000007F860000-0x000000007F870000-memory.dmp

Filesize
64KB

Download
memory/1624-123-0x0000000074A30000-0x00000000751E0000-memory.dmp

Filesize
7.7MB

Download
memory/1720-264-0x0000000000400000-0x00000000008DF000-memory.dmp

Filesize
4.9MB

Download
memory/1888-122-0x0000000074A30000-0x00000000751E0000-memory.dmp

Filesize
7.7MB

Download
memory/1888-107-0x000000007F490000-0x000000007F4A0000-memory.dmp

Filesize
64KB

Download
memory/1888-95-0x00000000052F0000-0x0000000005300000-memory.dmp

Filesize
64KB

Download
memory/1888-105-0x0000000006240000-0x0000000006594000-memory.dmp

Filesize
3.3MB

Download
memory/1888-109-0x0000000070AB0000-0x0000000070E04000-memory.dmp

Filesize
3.3MB

Download
memory/1888-93-0x0000000074A30000-0x00000000751E0000-memory.dmp

Filesize
7.7MB

Download
memory/1888-108-0x0000000070930000-0x000000007097C000-memory.dmp

Filesize
304KB

Download
memory/1888-120-0x00000000052F0000-0x0000000005300000-memory.dmp

Filesize
64KB

Download
memory/1888-94-0x00000000052F0000-0x0000000005300000-memory.dmp

Filesize
64KB

Download
memory/3544-57-0x00000000033D0000-0x00000000037C9000-memory.dmp

Filesize
4.0MB

Download
memory/3544-134-0x0000000000400000-0x0000000003009000-memory.dmp

Filesize
44.0MB

Download
memory/3544-119-0x00000000033D0000-0x00000000037C9000-memory.dmp

Filesize
4.0MB

Download
memory/3544-58-0x0000000000400000-0x0000000003009000-memory.dmp

Filesize
44.0MB

Download
memory/3544-155-0x0000000000400000-0x0000000003009000-memory.dmp

Filesize
44.0MB

Download
memory/5028-2-0x0000000005210000-0x0000000005AFB000-memory.dmp

Filesize
8.9MB

Download
memory/5028-1-0x0000000003470000-0x000000000386C000-memory.dmp

Filesize
4.0MB

Download
memory/5028-56-0x0000000005210000-0x0000000005AFB000-memory.dmp

Filesize
8.9MB

Download
memory/5028-3-0x0000000000400000-0x0000000003009000-memory.dmp

Filesize
44.0MB

Download
memory/5028-54-0x0000000000400000-0x0000000003009000-memory.dmp

Filesize
44.0MB

Download