glupteba | 00695788800882e753b07d7e81956e6a8ba7953eb2288a0c24d87834a74f9f27

Analysis

max time kernel
299s
max time network
301s
platform
windows10-1703_x64
resource
win10-20240404-en
resource tags

arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system
submitted
16/05/2024, 22:30

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General

Target
00695788800882e753b07d7e81956e6a8ba7953eb2288a0c24d87834a74f9f27.exe
Size 4.1MB
Sample240516-2ety2abf8t
SHA256 00695788800882e753b07d7e81956e6a8ba7953eb2288a0c24d87834a74f9f27
MD5 1e8c3dc065008fb9dec14f738125f1e7
SHA1 d25430e7773d76ed3254c4d3d8f5f9dccd7e3fc3
SHA512 6a8af74f52f28a9dc7db1108d5a095a828db1af832d619e9883d3903b2ba1e5b6496af3c7a542d4b8e75f99d38b95e34f840c7ba5a3a97663cd5427649d3ee48
SSDEEP 98304:AxyFZ/ptHkBlR0WKPFUt+dnuwR0Tu4cboxMZ:mwhH+ralkP/buZ
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

glupteba discovery dropper evasion execution loader persistence rootkit trojan upx

Malware Config

Signatures

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

Glupteba payload 33 IoCs

resource	yara_rule
behavioral2/memory/4904-2-0x0000000002D20000-0x000000000360B000-memory.dmp	family_glupteba
behavioral2/memory/4904-3-0x0000000000400000-0x0000000000D1C000-memory.dmp	family_glupteba
behavioral2/memory/4904-302-0x0000000000400000-0x0000000000D1C000-memory.dmp	family_glupteba
behavioral2/memory/4904-303-0x0000000002D20000-0x000000000360B000-memory.dmp	family_glupteba
behavioral2/memory/1060-1021-0x0000000000400000-0x0000000000D1C000-memory.dmp	family_glupteba
behavioral2/memory/1632-1740-0x0000000000400000-0x0000000000D1C000-memory.dmp	family_glupteba
behavioral2/memory/1632-1750-0x0000000000400000-0x0000000000D1C000-memory.dmp	family_glupteba
behavioral2/memory/1632-1751-0x0000000000400000-0x0000000000D1C000-memory.dmp	family_glupteba
behavioral2/memory/1632-1754-0x0000000000400000-0x0000000000D1C000-memory.dmp	family_glupteba
behavioral2/memory/1632-1756-0x0000000000400000-0x0000000000D1C000-memory.dmp	family_glupteba
behavioral2/memory/1632-1758-0x0000000000400000-0x0000000000D1C000-memory.dmp	family_glupteba
behavioral2/memory/1632-1759-0x0000000000400000-0x0000000000D1C000-memory.dmp	family_glupteba
behavioral2/memory/1632-1762-0x0000000000400000-0x0000000000D1C000-memory.dmp	family_glupteba
behavioral2/memory/1632-1764-0x0000000000400000-0x0000000000D1C000-memory.dmp	family_glupteba
behavioral2/memory/1632-1765-0x0000000000400000-0x0000000000D1C000-memory.dmp	family_glupteba
behavioral2/memory/1632-1767-0x0000000000400000-0x0000000000D1C000-memory.dmp	family_glupteba
behavioral2/memory/1632-1770-0x0000000000400000-0x0000000000D1C000-memory.dmp	family_glupteba
behavioral2/memory/1632-1772-0x0000000000400000-0x0000000000D1C000-memory.dmp	family_glupteba
behavioral2/memory/1632-1773-0x0000000000400000-0x0000000000D1C000-memory.dmp	family_glupteba
behavioral2/memory/1632-1776-0x0000000000400000-0x0000000000D1C000-memory.dmp	family_glupteba
behavioral2/memory/1632-1778-0x0000000000400000-0x0000000000D1C000-memory.dmp	family_glupteba
behavioral2/memory/1632-1780-0x0000000000400000-0x0000000000D1C000-memory.dmp	family_glupteba
behavioral2/memory/1632-1781-0x0000000000400000-0x0000000000D1C000-memory.dmp	family_glupteba
behavioral2/memory/1632-1784-0x0000000000400000-0x0000000000D1C000-memory.dmp	family_glupteba
behavioral2/memory/1632-1786-0x0000000000400000-0x0000000000D1C000-memory.dmp	family_glupteba
behavioral2/memory/1632-1788-0x0000000000400000-0x0000000000D1C000-memory.dmp	family_glupteba
behavioral2/memory/1632-1789-0x0000000000400000-0x0000000000D1C000-memory.dmp	family_glupteba
behavioral2/memory/1632-1792-0x0000000000400000-0x0000000000D1C000-memory.dmp	family_glupteba
behavioral2/memory/1632-1794-0x0000000000400000-0x0000000000D1C000-memory.dmp	family_glupteba
behavioral2/memory/1632-1796-0x0000000000400000-0x0000000000D1C000-memory.dmp	family_glupteba
behavioral2/memory/1632-1797-0x0000000000400000-0x0000000000D1C000-memory.dmp	family_glupteba
behavioral2/memory/1632-1800-0x0000000000400000-0x0000000000D1C000-memory.dmp	family_glupteba
behavioral2/memory/1632-1802-0x0000000000400000-0x0000000000D1C000-memory.dmp	family_glupteba

Windows security bypass 2 TTPs 7 IoCs

evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\csrss.exe = "0"	00695788800882e753b07d7e81956e6a8ba7953eb2288a0c24d87834a74f9f27.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\windefender.exe = "0"	00695788800882e753b07d7e81956e6a8ba7953eb2288a0c24d87834a74f9f27.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\00695788800882e753b07d7e81956e6a8ba7953eb2288a0c24d87834a74f9f27.exe = "0"	00695788800882e753b07d7e81956e6a8ba7953eb2288a0c24d87834a74f9f27.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\rss = "0"	00695788800882e753b07d7e81956e6a8ba7953eb2288a0c24d87834a74f9f27.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\csrss = "0"	00695788800882e753b07d7e81956e6a8ba7953eb2288a0c24d87834a74f9f27.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\windefender.exe = "0"	00695788800882e753b07d7e81956e6a8ba7953eb2288a0c24d87834a74f9f27.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\System32\drivers = "0"	00695788800882e753b07d7e81956e6a8ba7953eb2288a0c24d87834a74f9f27.exe

Modifies Windows Firewall 2 TTPs 1 IoCs

evasion

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

pid	Process
4612	netsh.exe

Executes dropped EXE 4 IoCs

pid	Process
1632	csrss.exe
1348	injector.exe
3260	windefender.exe
3704	windefender.exe

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral2/files/0x000800000001ac59-1743.dat	upx
behavioral2/memory/3260-1744-0x0000000000400000-0x00000000008DF000-memory.dmp	upx
behavioral2/memory/3704-1747-0x0000000000400000-0x00000000008DF000-memory.dmp	upx
behavioral2/memory/3260-1749-0x0000000000400000-0x00000000008DF000-memory.dmp	upx
behavioral2/memory/3704-1752-0x0000000000400000-0x00000000008DF000-memory.dmp	upx
behavioral2/memory/3704-1755-0x0000000000400000-0x00000000008DF000-memory.dmp	upx

Windows security modification 2 TTPs 7 IoCs

evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\windefender.exe = "0"	00695788800882e753b07d7e81956e6a8ba7953eb2288a0c24d87834a74f9f27.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\00695788800882e753b07d7e81956e6a8ba7953eb2288a0c24d87834a74f9f27.exe = "0"	00695788800882e753b07d7e81956e6a8ba7953eb2288a0c24d87834a74f9f27.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\rss = "0"	00695788800882e753b07d7e81956e6a8ba7953eb2288a0c24d87834a74f9f27.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\csrss = "0"	00695788800882e753b07d7e81956e6a8ba7953eb2288a0c24d87834a74f9f27.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\windefender.exe = "0"	00695788800882e753b07d7e81956e6a8ba7953eb2288a0c24d87834a74f9f27.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\System32\drivers = "0"	00695788800882e753b07d7e81956e6a8ba7953eb2288a0c24d87834a74f9f27.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\csrss.exe = "0"	00695788800882e753b07d7e81956e6a8ba7953eb2288a0c24d87834a74f9f27.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3968772205-1713802336-1776639840-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\""	00695788800882e753b07d7e81956e6a8ba7953eb2288a0c24d87834a74f9f27.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3968772205-1713802336-1776639840-1000\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

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

Drops file in System32 directory 7 IoCs

description	ioc	Process
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
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

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

description	ioc	Process
File opened (read-only)	\??\VBoxMiniRdrDN	00695788800882e753b07d7e81956e6a8ba7953eb2288a0c24d87834a74f9f27.exe

Drops file in Windows directory 4 IoCs

description	ioc	Process
File created	C:\Windows\windefender.exe	csrss.exe
File opened for modification	C:\Windows\windefender.exe	csrss.exe
File opened for modification	C:\Windows\rss	00695788800882e753b07d7e81956e6a8ba7953eb2288a0c24d87834a74f9f27.exe
File created	C:\Windows\rss\csrss.exe	00695788800882e753b07d7e81956e6a8ba7953eb2288a0c24d87834a74f9f27.exe

Launches sc.exe 1 IoCs

Sc.exe is a Windows utlilty to control services on the system.

pid	Process
2856	sc.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 8 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
4572	powershell.exe
5104	powershell.exe
3772	powershell.exe
5060	powershell.exe
804	powershell.exe
4616	powershell.exe
4864	powershell.exe
2800	powershell.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

pid	Process
3976	schtasks.exe
2844	schtasks.exe

Modifies data under HKEY_USERS 64 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-392 = "Arab Standard Time"	windefender.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-361 = "GTB Daylight Time"	windefender.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-302 = "Romance Standard Time"	00695788800882e753b07d7e81956e6a8ba7953eb2288a0c24d87834a74f9f27.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-831 = "SA Eastern Daylight Time"	windefender.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-442 = "Arabian Standard Time"	00695788800882e753b07d7e81956e6a8ba7953eb2288a0c24d87834a74f9f27.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-682 = "E. Australia Standard Time"	00695788800882e753b07d7e81956e6a8ba7953eb2288a0c24d87834a74f9f27.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-52 = "Greenland Standard Time"	00695788800882e753b07d7e81956e6a8ba7953eb2288a0c24d87834a74f9f27.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-751 = "Tonga Daylight Time"	00695788800882e753b07d7e81956e6a8ba7953eb2288a0c24d87834a74f9f27.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-372 = "Jerusalem Standard Time"	windefender.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-341 = "Egypt Daylight Time"	windefender.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-42 = "E. South America Standard Time"	00695788800882e753b07d7e81956e6a8ba7953eb2288a0c24d87834a74f9f27.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1972 = "Belarus Standard Time"	00695788800882e753b07d7e81956e6a8ba7953eb2288a0c24d87834a74f9f27.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-92 = "Pacific SA Standard Time"	00695788800882e753b07d7e81956e6a8ba7953eb2288a0c24d87834a74f9f27.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-122 = "SA Pacific Standard Time"	windefender.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-1471 = "Magadan Daylight Time"	windefender.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-1911 = "Russia TZ 10 Daylight Time"	windefender.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-981 = "Kamchatka Daylight Time"	00695788800882e753b07d7e81956e6a8ba7953eb2288a0c24d87834a74f9f27.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2631 = "Norfolk Daylight Time"	00695788800882e753b07d7e81956e6a8ba7953eb2288a0c24d87834a74f9f27.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates	powershell.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-391 = "Arab Daylight Time"	windefender.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1472 = "Magadan Standard Time"	00695788800882e753b07d7e81956e6a8ba7953eb2288a0c24d87834a74f9f27.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-1661 = "Bahia Daylight Time"	windefender.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-842 = "Argentina Standard Time"	windefender.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-82 = "Atlantic Standard Time"	00695788800882e753b07d7e81956e6a8ba7953eb2288a0c24d87834a74f9f27.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1822 = "Russia TZ 1 Standard Time"	00695788800882e753b07d7e81956e6a8ba7953eb2288a0c24d87834a74f9f27.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-961 = "Paraguay Daylight Time"	00695788800882e753b07d7e81956e6a8ba7953eb2288a0c24d87834a74f9f27.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-51 = "Greenland Daylight Time"	00695788800882e753b07d7e81956e6a8ba7953eb2288a0c24d87834a74f9f27.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-231 = "Hawaiian Daylight Time"	windefender.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-371 = "Jerusalem Daylight Time"	windefender.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-511 = "Central Asia Daylight Time"	windefender.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-105 = "Central Brazilian Standard Time"	00695788800882e753b07d7e81956e6a8ba7953eb2288a0c24d87834a74f9f27.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-502 = "Nepal Standard Time"	00695788800882e753b07d7e81956e6a8ba7953eb2288a0c24d87834a74f9f27.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-542 = "Myanmar Standard Time"	windefender.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-361 = "GTB Daylight Time"	00695788800882e753b07d7e81956e6a8ba7953eb2288a0c24d87834a74f9f27.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-792 = "SA Western Standard Time"	00695788800882e753b07d7e81956e6a8ba7953eb2288a0c24d87834a74f9f27.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-449 = "Azerbaijan Standard Time"	00695788800882e753b07d7e81956e6a8ba7953eb2288a0c24d87834a74f9f27.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2411 = "Marquesas Daylight Time"	00695788800882e753b07d7e81956e6a8ba7953eb2288a0c24d87834a74f9f27.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-72 = "Newfoundland Standard Time"	00695788800882e753b07d7e81956e6a8ba7953eb2288a0c24d87834a74f9f27.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
5104	powershell.exe
5104	powershell.exe
5104	powershell.exe
4904	00695788800882e753b07d7e81956e6a8ba7953eb2288a0c24d87834a74f9f27.exe
4904	00695788800882e753b07d7e81956e6a8ba7953eb2288a0c24d87834a74f9f27.exe
3772	powershell.exe
3772	powershell.exe
3772	powershell.exe
1060	00695788800882e753b07d7e81956e6a8ba7953eb2288a0c24d87834a74f9f27.exe
1060	00695788800882e753b07d7e81956e6a8ba7953eb2288a0c24d87834a74f9f27.exe
1060	00695788800882e753b07d7e81956e6a8ba7953eb2288a0c24d87834a74f9f27.exe
1060	00695788800882e753b07d7e81956e6a8ba7953eb2288a0c24d87834a74f9f27.exe
1060	00695788800882e753b07d7e81956e6a8ba7953eb2288a0c24d87834a74f9f27.exe
1060	00695788800882e753b07d7e81956e6a8ba7953eb2288a0c24d87834a74f9f27.exe
1060	00695788800882e753b07d7e81956e6a8ba7953eb2288a0c24d87834a74f9f27.exe
1060	00695788800882e753b07d7e81956e6a8ba7953eb2288a0c24d87834a74f9f27.exe
1060	00695788800882e753b07d7e81956e6a8ba7953eb2288a0c24d87834a74f9f27.exe
1060	00695788800882e753b07d7e81956e6a8ba7953eb2288a0c24d87834a74f9f27.exe
5060	powershell.exe
5060	powershell.exe
5060	powershell.exe
804	powershell.exe
804	powershell.exe
804	powershell.exe
4616	powershell.exe
4616	powershell.exe
4616	powershell.exe
4864	powershell.exe
4864	powershell.exe
4864	powershell.exe
2800	powershell.exe
2800	powershell.exe
2800	powershell.exe
1348	injector.exe
1348	injector.exe
1348	injector.exe
1348	injector.exe
1348	injector.exe
1348	injector.exe
1632	csrss.exe
1632	csrss.exe
1348	injector.exe
1348	injector.exe
1348	injector.exe
1348	injector.exe
1348	injector.exe
1348	injector.exe
1632	csrss.exe
1632	csrss.exe
1348	injector.exe
1348	injector.exe
1348	injector.exe
1348	injector.exe
1632	csrss.exe
1632	csrss.exe
1348	injector.exe
1348	injector.exe
1348	injector.exe
1348	injector.exe
1348	injector.exe
1348	injector.exe
1348	injector.exe
1348	injector.exe
1348	injector.exe

Suspicious use of AdjustPrivilegeToken 13 IoCs

description	pid	Process
Token: SeDebugPrivilege	5104	powershell.exe
Token: SeDebugPrivilege	4904	00695788800882e753b07d7e81956e6a8ba7953eb2288a0c24d87834a74f9f27.exe
Token: SeImpersonatePrivilege	4904	00695788800882e753b07d7e81956e6a8ba7953eb2288a0c24d87834a74f9f27.exe
Token: SeDebugPrivilege	3772	powershell.exe
Token: SeDebugPrivilege	5060	powershell.exe
Token: SeDebugPrivilege	804	powershell.exe
Token: SeDebugPrivilege	4616	powershell.exe
Token: SeDebugPrivilege	4864	powershell.exe
Token: SeDebugPrivilege	2800	powershell.exe
Token: SeSystemEnvironmentPrivilege	1632	csrss.exe
Token: SeSecurityPrivilege	2856	sc.exe
Token: SeSecurityPrivilege	2856	sc.exe
Token: SeDebugPrivilege	4572	powershell.exe

Suspicious use of WriteProcessMemory 39 IoCs

description	pid	Process	procid_target
PID 4904 wrote to memory of 5104	4904	00695788800882e753b07d7e81956e6a8ba7953eb2288a0c24d87834a74f9f27.exe	75
PID 4904 wrote to memory of 5104	4904	00695788800882e753b07d7e81956e6a8ba7953eb2288a0c24d87834a74f9f27.exe	75
PID 4904 wrote to memory of 5104	4904	00695788800882e753b07d7e81956e6a8ba7953eb2288a0c24d87834a74f9f27.exe	75
PID 1060 wrote to memory of 3772	1060	00695788800882e753b07d7e81956e6a8ba7953eb2288a0c24d87834a74f9f27.exe	80
PID 1060 wrote to memory of 3772	1060	00695788800882e753b07d7e81956e6a8ba7953eb2288a0c24d87834a74f9f27.exe	80
PID 1060 wrote to memory of 3772	1060	00695788800882e753b07d7e81956e6a8ba7953eb2288a0c24d87834a74f9f27.exe	80
PID 1060 wrote to memory of 4444	1060	00695788800882e753b07d7e81956e6a8ba7953eb2288a0c24d87834a74f9f27.exe	82
PID 1060 wrote to memory of 4444	1060	00695788800882e753b07d7e81956e6a8ba7953eb2288a0c24d87834a74f9f27.exe	82
PID 4444 wrote to memory of 4612	4444	cmd.exe	84
PID 4444 wrote to memory of 4612	4444	cmd.exe	84
PID 1060 wrote to memory of 5060	1060	00695788800882e753b07d7e81956e6a8ba7953eb2288a0c24d87834a74f9f27.exe	85
PID 1060 wrote to memory of 5060	1060	00695788800882e753b07d7e81956e6a8ba7953eb2288a0c24d87834a74f9f27.exe	85
PID 1060 wrote to memory of 5060	1060	00695788800882e753b07d7e81956e6a8ba7953eb2288a0c24d87834a74f9f27.exe	85
PID 1060 wrote to memory of 804	1060	00695788800882e753b07d7e81956e6a8ba7953eb2288a0c24d87834a74f9f27.exe	87
PID 1060 wrote to memory of 804	1060	00695788800882e753b07d7e81956e6a8ba7953eb2288a0c24d87834a74f9f27.exe	87
PID 1060 wrote to memory of 804	1060	00695788800882e753b07d7e81956e6a8ba7953eb2288a0c24d87834a74f9f27.exe	87
PID 1060 wrote to memory of 1632	1060	00695788800882e753b07d7e81956e6a8ba7953eb2288a0c24d87834a74f9f27.exe	89
PID 1060 wrote to memory of 1632	1060	00695788800882e753b07d7e81956e6a8ba7953eb2288a0c24d87834a74f9f27.exe	89
PID 1060 wrote to memory of 1632	1060	00695788800882e753b07d7e81956e6a8ba7953eb2288a0c24d87834a74f9f27.exe	89
PID 1632 wrote to memory of 4616	1632	csrss.exe	90
PID 1632 wrote to memory of 4616	1632	csrss.exe	90
PID 1632 wrote to memory of 4616	1632	csrss.exe	90
PID 1632 wrote to memory of 4864	1632	csrss.exe	97
PID 1632 wrote to memory of 4864	1632	csrss.exe	97
PID 1632 wrote to memory of 4864	1632	csrss.exe	97
PID 1632 wrote to memory of 2800	1632	csrss.exe	99
PID 1632 wrote to memory of 2800	1632	csrss.exe	99
PID 1632 wrote to memory of 2800	1632	csrss.exe	99
PID 1632 wrote to memory of 1348	1632	csrss.exe	101
PID 1632 wrote to memory of 1348	1632	csrss.exe	101
PID 3260 wrote to memory of 2536	3260	windefender.exe	108
PID 3260 wrote to memory of 2536	3260	windefender.exe	108
PID 3260 wrote to memory of 2536	3260	windefender.exe	108
PID 2536 wrote to memory of 2856	2536	cmd.exe	109
PID 2536 wrote to memory of 2856	2536	cmd.exe	109
PID 2536 wrote to memory of 2856	2536	cmd.exe	109
PID 1632 wrote to memory of 4572	1632	csrss.exe	113
PID 1632 wrote to memory of 4572	1632	csrss.exe	113
PID 1632 wrote to memory of 4572	1632	csrss.exe	113

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\00695788800882e753b07d7e81956e6a8ba7953eb2288a0c24d87834a74f9f27.exe
"C:\Users\Admin\AppData\Local\Temp\00695788800882e753b07d7e81956e6a8ba7953eb2288a0c24d87834a74f9f27.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4904
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  powershell -nologo -noprofile
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:5104
- C:\Users\Admin\AppData\Local\Temp\00695788800882e753b07d7e81956e6a8ba7953eb2288a0c24d87834a74f9f27.exe
  "C:\Users\Admin\AppData\Local\Temp\00695788800882e753b07d7e81956e6a8ba7953eb2288a0c24d87834a74f9f27.exe"
  2⤵
  - Windows security bypass
  - Windows security modification
  - 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:1060
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    powershell -nologo -noprofile
    3⤵
    - Drops file in System32 directory
    - Command and Scripting Interpreter: PowerShell
    - Modifies data under HKEY_USERS
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:3772
- - 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:4444
  - - 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:4612
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    powershell -nologo -noprofile
    3⤵
    - Drops file in System32 directory
    - Command and Scripting Interpreter: PowerShell
    - Modifies data under HKEY_USERS
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:5060
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    powershell -nologo -noprofile
    3⤵
    - Drops file in System32 directory
    - Command and Scripting Interpreter: PowerShell
    - Modifies data under HKEY_USERS
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:804
- - 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:1632
  - - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      powershell -nologo -noprofile
      4⤵
      Drops file in System32 directory
      Command and Scripting Interpreter: PowerShell
      Modifies data under HKEY_USERS
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:4616
  - - 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:3976
  - - C:\Windows\SYSTEM32\schtasks.exe
      schtasks /delete /tn ScheduledUpdate /f
      4⤵
      PID:3660
  - - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      powershell -nologo -noprofile
      4⤵
      Drops file in System32 directory
      Command and Scripting Interpreter: PowerShell
      Modifies data under HKEY_USERS
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:4864
  - - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      powershell -nologo -noprofile
      4⤵
      Drops file in System32 directory
      Command and Scripting Interpreter: PowerShell
      Modifies data under HKEY_USERS
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:2800
  - - 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:1348
  - - 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:2844
  - - C:\Windows\windefender.exe
      "C:\Windows\windefender.exe"
      4⤵
      Executes dropped EXE
      Suspicious use of WriteProcessMemory
      PID:3260
    - - 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:2536
      - 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:2856
  - - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      powershell -nologo -noprofile
      4⤵
      Command and Scripting Interpreter: PowerShell
      Modifies data under HKEY_USERS
      Suspicious use of AdjustPrivilegeToken
      PID:4572

C:\Windows\windefender.exe
C:\Windows\windefender.exe
1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:3704

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Scheduled Task/Job

T1053

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Scheduled Task/Job

T1053

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Scheduled Task/Job

T1053

Defense Evasion

Impair Defenses

T1562

Disable or Modify System Firewall

T1562.004

Disable or Modify Tools

T1562.001

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

__PSScriptPolicyTest_zrezqgud.cag.ps1

Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_zrezqgud.cag.ps1
Size 1B
SHA256 6b86b273ff34fce19d6b804eff5a3f5747ada4eaa22f1d49c01e52ddb7875b4b
MD5 c4ca4238a0b923820dcc509a6f75849b
SHA1 356a192b7913b04c54574d18c28d46e6395428ab
SHA512 4dff4ea340f0a823f15d3f4f01ab62eae0e5da579ccb851f8db9dfe84c58b2b37b89903a740e1ee172da793a6e79d560e5f7f9bd058a12a280433ed6fa46510a
MD5 SHA1 SHA512

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injector.exe

Path C:\Users\Admin\AppData\Local\Temp\csrss\injector\injector.exe
Size 281KB
SHA256 5de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
MD5 d98e33b66343e7c96158444127a117f6
SHA1 bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA512 705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
SSDEEP 3072:qbHszDaOJ8u2HHFIWr6e29kOnK7qFQ8wMii5I7kGvNjzMuszHshoY46bEydJ+dK9:SA3IlIA6e29vngqS8wMmuooh8z+8F
MD5 SHA1 SHA512 SSDEEP

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powershell.exe.log

Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Size 2KB
SHA256 1bcd97396c83babfe6c5068ba590d7a3f8b70e72955a9d1e4070648e404cbf05
MD5 1c19c16e21c97ed42d5beabc93391fc5
SHA1 8ad83f8e0b3acf8dfbbf87931e41f0d664c4df68
SHA512 7d18776d8f649b3d29c182ff03efc6cea8b527542ee55304980f24577aae8b64e37044407776e220984346c3998ace5f8853afa58c8b38407482a728e9495e0c
MD5 SHA1 SHA512

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