glupteba | d3d12ce3abd0d19ce3b00408c8df5a097831acaff3c198ec46bc2e6e35bda72c

Analysis

max time kernel
150s
max time network
143s
platform
windows11-21h2_x64
resource
win11-20240221-en
resource tags

arch:x64arch:x86image:win11-20240221-enlocale:en-usos:windows11-21h2-x64system
submitted
04/04/2024, 17:29

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target
d3d12ce3abd0d19ce3b00408c8df5a097831acaff3c198ec46bc2e6e35bda72c.exe
Size 4.1MB
Sample240404-v2s7padf2x
SHA256 d3d12ce3abd0d19ce3b00408c8df5a097831acaff3c198ec46bc2e6e35bda72c
MD5 03677df2cc63ee7e83270db6cf765eac
SHA1 0e96cb21b8aa1f85197949debab27ecbfe10acb6
SHA512 4f988e5df02b9c0691c3c5671284a85fca3735146b8dc798b88f5c0b905fe732dae5e64792449960e6618cfac8a47cc3e8d114aa7c766e3b4170cdef992d6aab
SSDEEP 98304:zH5J7CzszSbiwn7GrcYbqmT2oxXGbns7pL8WqJWTgf+:NMU4iw7Yx2bns7pLfTgf+
MD5 SHA1 SHA512 SSDEEP

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

resource	yara_rule
behavioral2/memory/4276-2-0x0000000005250000-0x0000000005B3B000-memory.dmp	family_glupteba
behavioral2/memory/4276-3-0x0000000000400000-0x0000000002F43000-memory.dmp	family_glupteba
behavioral2/memory/4276-52-0x0000000000400000-0x0000000002F43000-memory.dmp	family_glupteba
behavioral2/memory/4276-53-0x0000000005250000-0x0000000005B3B000-memory.dmp	family_glupteba
behavioral2/memory/5016-55-0x0000000000400000-0x0000000002F43000-memory.dmp	family_glupteba
behavioral2/memory/5016-138-0x0000000000400000-0x0000000002F43000-memory.dmp	family_glupteba
behavioral2/memory/5016-148-0x0000000000400000-0x0000000002F43000-memory.dmp	family_glupteba
behavioral2/memory/2944-240-0x0000000000400000-0x0000000002F43000-memory.dmp	family_glupteba
behavioral2/memory/2944-251-0x0000000000400000-0x0000000002F43000-memory.dmp	family_glupteba
behavioral2/memory/2944-254-0x0000000000400000-0x0000000002F43000-memory.dmp	family_glupteba
behavioral2/memory/2944-258-0x0000000000400000-0x0000000002F43000-memory.dmp	family_glupteba
behavioral2/memory/2944-262-0x0000000000400000-0x0000000002F43000-memory.dmp	family_glupteba
behavioral2/memory/2944-266-0x0000000000400000-0x0000000002F43000-memory.dmp	family_glupteba
behavioral2/memory/2944-270-0x0000000000400000-0x0000000002F43000-memory.dmp	family_glupteba
behavioral2/memory/2944-274-0x0000000000400000-0x0000000002F43000-memory.dmp	family_glupteba
behavioral2/memory/2944-278-0x0000000000400000-0x0000000002F43000-memory.dmp	family_glupteba
behavioral2/memory/2944-282-0x0000000000400000-0x0000000002F43000-memory.dmp	family_glupteba
behavioral2/memory/2944-286-0x0000000000400000-0x0000000002F43000-memory.dmp	family_glupteba

Modifies Windows Firewall 2 TTPs 1 IoCs

evasion

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

pid	Process
3356	netsh.exe

Executes dropped EXE 4 IoCs

pid	Process
2944	csrss.exe
4964	injector.exe
4664	windefender.exe
952	windefender.exe

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral2/files/0x000200000002a794-245.dat	upx
behavioral2/memory/4664-250-0x0000000000400000-0x00000000008DF000-memory.dmp	upx
behavioral2/memory/952-255-0x0000000000400000-0x00000000008DF000-memory.dmp	upx
behavioral2/memory/952-263-0x0000000000400000-0x00000000008DF000-memory.dmp	upx

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3594324687-1993884830-4019639329-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\""	d3d12ce3abd0d19ce3b00408c8df5a097831acaff3c198ec46bc2e6e35bda72c.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3594324687-1993884830-4019639329-1000\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 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
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	d3d12ce3abd0d19ce3b00408c8df5a097831acaff3c198ec46bc2e6e35bda72c.exe

Drops file in Windows directory 4 IoCs

description	ioc	Process
File opened for modification	C:\Windows\rss	d3d12ce3abd0d19ce3b00408c8df5a097831acaff3c198ec46bc2e6e35bda72c.exe
File created	C:\Windows\rss\csrss.exe	d3d12ce3abd0d19ce3b00408c8df5a097831acaff3c198ec46bc2e6e35bda72c.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.

pid	Process
1620	sc.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
4124	schtasks.exe
1664	schtasks.exe

Modifies data under HKEY_USERS 64 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-662 = "Cen. Australia Standard Time"	d3d12ce3abd0d19ce3b00408c8df5a097831acaff3c198ec46bc2e6e35bda72c.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-121 = "SA Pacific Daylight Time"	d3d12ce3abd0d19ce3b00408c8df5a097831acaff3c198ec46bc2e6e35bda72c.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2532 = "Chatham Islands Standard Time"	d3d12ce3abd0d19ce3b00408c8df5a097831acaff3c198ec46bc2e6e35bda72c.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-961 = "Paraguay Daylight Time"	d3d12ce3abd0d19ce3b00408c8df5a097831acaff3c198ec46bc2e6e35bda72c.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-281 = "Central Europe Daylight Time"	windefender.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-1411 = "Syria Daylight Time"	windefender.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs	powershell.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-462 = "Afghanistan Standard Time"	d3d12ce3abd0d19ce3b00408c8df5a097831acaff3c198ec46bc2e6e35bda72c.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-771 = "Montevideo Daylight Time"	d3d12ce3abd0d19ce3b00408c8df5a097831acaff3c198ec46bc2e6e35bda72c.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-542 = "Myanmar Standard Time"	d3d12ce3abd0d19ce3b00408c8df5a097831acaff3c198ec46bc2e6e35bda72c.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-131 = "US Eastern Daylight Time"	d3d12ce3abd0d19ce3b00408c8df5a097831acaff3c198ec46bc2e6e35bda72c.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-771 = "Montevideo Daylight Time"	windefender.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1871 = "Russia TZ 7 Daylight Time"	d3d12ce3abd0d19ce3b00408c8df5a097831acaff3c198ec46bc2e6e35bda72c.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-392 = "Arab Standard Time"	windefender.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-651 = "AUS Central Daylight Time"	d3d12ce3abd0d19ce3b00408c8df5a097831acaff3c198ec46bc2e6e35bda72c.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-1912 = "Russia TZ 10 Standard Time"	windefender.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-451 = "Caucasus Daylight Time"	windefender.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-3052 = "Qyzylorda Standard Time"	d3d12ce3abd0d19ce3b00408c8df5a097831acaff3c198ec46bc2e6e35bda72c.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1931 = "Russia TZ 11 Daylight Time"	d3d12ce3abd0d19ce3b00408c8df5a097831acaff3c198ec46bc2e6e35bda72c.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed	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\22\52C64B7E\@tzres.dll,-591 = "Malay Peninsula Daylight Time"	windefender.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-172 = "Central Standard Time (Mexico)"	d3d12ce3abd0d19ce3b00408c8df5a097831acaff3c198ec46bc2e6e35bda72c.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-335 = "Jordan Standard Time"	windefender.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-1021 = "Bangladesh Daylight Time"	windefender.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-542 = "Myanmar Standard Time"	windefender.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-631 = "Tokyo Daylight Time"	windefender.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-112 = "Eastern Standard Time"	d3d12ce3abd0d19ce3b00408c8df5a097831acaff3c198ec46bc2e6e35bda72c.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-362 = "GTB Standard Time"	d3d12ce3abd0d19ce3b00408c8df5a097831acaff3c198ec46bc2e6e35bda72c.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-365 = "Middle East Standard Time"	d3d12ce3abd0d19ce3b00408c8df5a097831acaff3c198ec46bc2e6e35bda72c.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-132 = "US Eastern Standard Time"	windefender.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-872 = "Pakistan Standard Time"	d3d12ce3abd0d19ce3b00408c8df5a097831acaff3c198ec46bc2e6e35bda72c.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	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\22\52C64B7E\@tzres.dll,-2041 = "Eastern Daylight Time (Mexico)"	windefender.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-741 = "New Zealand Daylight Time"	windefender.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2492 = "Aus Central W. Standard Time"	windefender.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-692 = "Tasmania Standard Time"	windefender.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-1042 = "Ulaanbaatar Standard Time"	windefender.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-891 = "Morocco Daylight Time"	windefender.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-932 = "Coordinated Universal Time"	windefender.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-441 = "Arabian Daylight Time"	d3d12ce3abd0d19ce3b00408c8df5a097831acaff3c198ec46bc2e6e35bda72c.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
424	powershell.exe
424	powershell.exe
4276	d3d12ce3abd0d19ce3b00408c8df5a097831acaff3c198ec46bc2e6e35bda72c.exe
4276	d3d12ce3abd0d19ce3b00408c8df5a097831acaff3c198ec46bc2e6e35bda72c.exe
4960	powershell.exe
4960	powershell.exe
5016	d3d12ce3abd0d19ce3b00408c8df5a097831acaff3c198ec46bc2e6e35bda72c.exe
5016	d3d12ce3abd0d19ce3b00408c8df5a097831acaff3c198ec46bc2e6e35bda72c.exe
5016	d3d12ce3abd0d19ce3b00408c8df5a097831acaff3c198ec46bc2e6e35bda72c.exe
5016	d3d12ce3abd0d19ce3b00408c8df5a097831acaff3c198ec46bc2e6e35bda72c.exe
5016	d3d12ce3abd0d19ce3b00408c8df5a097831acaff3c198ec46bc2e6e35bda72c.exe
5016	d3d12ce3abd0d19ce3b00408c8df5a097831acaff3c198ec46bc2e6e35bda72c.exe
5016	d3d12ce3abd0d19ce3b00408c8df5a097831acaff3c198ec46bc2e6e35bda72c.exe
5016	d3d12ce3abd0d19ce3b00408c8df5a097831acaff3c198ec46bc2e6e35bda72c.exe
5016	d3d12ce3abd0d19ce3b00408c8df5a097831acaff3c198ec46bc2e6e35bda72c.exe
5016	d3d12ce3abd0d19ce3b00408c8df5a097831acaff3c198ec46bc2e6e35bda72c.exe
4876	powershell.exe
4876	powershell.exe
1708	powershell.exe
1708	powershell.exe
3288	powershell.exe
3288	powershell.exe
4904	powershell.exe
4904	powershell.exe
3200	powershell.exe
3200	powershell.exe
4964	injector.exe
4964	injector.exe
4964	injector.exe
4964	injector.exe
4964	injector.exe
4964	injector.exe
4964	injector.exe
4964	injector.exe
2944	csrss.exe
2944	csrss.exe
4964	injector.exe
4964	injector.exe
4964	injector.exe
4964	injector.exe
4964	injector.exe
4964	injector.exe
2944	csrss.exe
2944	csrss.exe
4964	injector.exe
4964	injector.exe
2944	csrss.exe
2944	csrss.exe
4964	injector.exe
4964	injector.exe
4964	injector.exe
4964	injector.exe
4964	injector.exe
4964	injector.exe
4964	injector.exe
4964	injector.exe
4964	injector.exe
4964	injector.exe
4964	injector.exe
4964	injector.exe
4964	injector.exe
4964	injector.exe
4964	injector.exe
4964	injector.exe

Suspicious use of AdjustPrivilegeToken 12 IoCs

description	pid	Process
Token: SeDebugPrivilege	424	powershell.exe
Token: SeDebugPrivilege	4276	d3d12ce3abd0d19ce3b00408c8df5a097831acaff3c198ec46bc2e6e35bda72c.exe
Token: SeImpersonatePrivilege	4276	d3d12ce3abd0d19ce3b00408c8df5a097831acaff3c198ec46bc2e6e35bda72c.exe
Token: SeDebugPrivilege	4960	powershell.exe
Token: SeDebugPrivilege	4876	powershell.exe
Token: SeDebugPrivilege	1708	powershell.exe
Token: SeDebugPrivilege	3288	powershell.exe
Token: SeDebugPrivilege	4904	powershell.exe
Token: SeDebugPrivilege	3200	powershell.exe
Token: SeSystemEnvironmentPrivilege	2944	csrss.exe
Token: SeSecurityPrivilege	1620	sc.exe
Token: SeSecurityPrivilege	1620	sc.exe

Suspicious use of WriteProcessMemory 36 IoCs

description	pid	Process	procid_target
PID 4276 wrote to memory of 424	4276	d3d12ce3abd0d19ce3b00408c8df5a097831acaff3c198ec46bc2e6e35bda72c.exe	77
PID 4276 wrote to memory of 424	4276	d3d12ce3abd0d19ce3b00408c8df5a097831acaff3c198ec46bc2e6e35bda72c.exe	77
PID 4276 wrote to memory of 424	4276	d3d12ce3abd0d19ce3b00408c8df5a097831acaff3c198ec46bc2e6e35bda72c.exe	77
PID 5016 wrote to memory of 4960	5016	d3d12ce3abd0d19ce3b00408c8df5a097831acaff3c198ec46bc2e6e35bda72c.exe	82
PID 5016 wrote to memory of 4960	5016	d3d12ce3abd0d19ce3b00408c8df5a097831acaff3c198ec46bc2e6e35bda72c.exe	82
PID 5016 wrote to memory of 4960	5016	d3d12ce3abd0d19ce3b00408c8df5a097831acaff3c198ec46bc2e6e35bda72c.exe	82
PID 5016 wrote to memory of 952	5016	d3d12ce3abd0d19ce3b00408c8df5a097831acaff3c198ec46bc2e6e35bda72c.exe	84
PID 5016 wrote to memory of 952	5016	d3d12ce3abd0d19ce3b00408c8df5a097831acaff3c198ec46bc2e6e35bda72c.exe	84
PID 952 wrote to memory of 3356	952	cmd.exe	86
PID 952 wrote to memory of 3356	952	cmd.exe	86
PID 5016 wrote to memory of 4876	5016	d3d12ce3abd0d19ce3b00408c8df5a097831acaff3c198ec46bc2e6e35bda72c.exe	87
PID 5016 wrote to memory of 4876	5016	d3d12ce3abd0d19ce3b00408c8df5a097831acaff3c198ec46bc2e6e35bda72c.exe	87
PID 5016 wrote to memory of 4876	5016	d3d12ce3abd0d19ce3b00408c8df5a097831acaff3c198ec46bc2e6e35bda72c.exe	87
PID 5016 wrote to memory of 1708	5016	d3d12ce3abd0d19ce3b00408c8df5a097831acaff3c198ec46bc2e6e35bda72c.exe	89
PID 5016 wrote to memory of 1708	5016	d3d12ce3abd0d19ce3b00408c8df5a097831acaff3c198ec46bc2e6e35bda72c.exe	89
PID 5016 wrote to memory of 1708	5016	d3d12ce3abd0d19ce3b00408c8df5a097831acaff3c198ec46bc2e6e35bda72c.exe	89
PID 5016 wrote to memory of 2944	5016	d3d12ce3abd0d19ce3b00408c8df5a097831acaff3c198ec46bc2e6e35bda72c.exe	91
PID 5016 wrote to memory of 2944	5016	d3d12ce3abd0d19ce3b00408c8df5a097831acaff3c198ec46bc2e6e35bda72c.exe	91
PID 5016 wrote to memory of 2944	5016	d3d12ce3abd0d19ce3b00408c8df5a097831acaff3c198ec46bc2e6e35bda72c.exe	91
PID 2944 wrote to memory of 3288	2944	csrss.exe	92
PID 2944 wrote to memory of 3288	2944	csrss.exe	92
PID 2944 wrote to memory of 3288	2944	csrss.exe	92
PID 2944 wrote to memory of 4904	2944	csrss.exe	98
PID 2944 wrote to memory of 4904	2944	csrss.exe	98
PID 2944 wrote to memory of 4904	2944	csrss.exe	98
PID 2944 wrote to memory of 3200	2944	csrss.exe	100
PID 2944 wrote to memory of 3200	2944	csrss.exe	100
PID 2944 wrote to memory of 3200	2944	csrss.exe	100
PID 2944 wrote to memory of 4964	2944	csrss.exe	102
PID 2944 wrote to memory of 4964	2944	csrss.exe	102
PID 4664 wrote to memory of 668	4664	windefender.exe	108
PID 4664 wrote to memory of 668	4664	windefender.exe	108
PID 4664 wrote to memory of 668	4664	windefender.exe	108
PID 668 wrote to memory of 1620	668	cmd.exe	109
PID 668 wrote to memory of 1620	668	cmd.exe	109
PID 668 wrote to memory of 1620	668	cmd.exe	109

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\d3d12ce3abd0d19ce3b00408c8df5a097831acaff3c198ec46bc2e6e35bda72c.exe
"C:\Users\Admin\AppData\Local\Temp\d3d12ce3abd0d19ce3b00408c8df5a097831acaff3c198ec46bc2e6e35bda72c.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4276
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  powershell -nologo -noprofile
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:424
- C:\Users\Admin\AppData\Local\Temp\d3d12ce3abd0d19ce3b00408c8df5a097831acaff3c198ec46bc2e6e35bda72c.exe
  "C:\Users\Admin\AppData\Local\Temp\d3d12ce3abd0d19ce3b00408c8df5a097831acaff3c198ec46bc2e6e35bda72c.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:5016
- - 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:4960
- - 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:952
  - - 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:3356
- - 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:4876
- - 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:1708
- - 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:2944
  - - 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:3288
  - - 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:4124
  - - C:\Windows\SYSTEM32\schtasks.exe
      schtasks /delete /tn ScheduledUpdate /f
      4⤵
      PID:4692
  - - 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:4904
  - - 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:3200
  - - 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:4964
  - - 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:1664
  - - C:\Windows\windefender.exe
      "C:\Windows\windefender.exe"
      4⤵
      Executes dropped EXE
      Suspicious use of WriteProcessMemory
      PID:4664
    - - 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:668
      - 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:1620

C:\Windows\windefender.exe
C:\Windows\windefender.exe
1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:952

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

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

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

__PSScriptPolicyTest_jmwgovui.uq2.ps1

Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_jmwgovui.uq2.ps1
Size 60B
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
MD5 SHA1 SHA512

Submit Download

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

Submit Download

powershell.exe.log

Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Size 2KB
SHA256 9600b3fdf0565ccb49e21656aa4b24d7c18f776bfd04d9ee984b134707550f02
MD5 d0c46cad6c0778401e21910bd6b56b70
SHA1 7be418951ea96326aca445b8dfe449b2bfa0dca6
SHA512 057531b468f7fbbb2175a696a8aab274dec0d17d9f71df309edcff35e064f3378050066a3df47ccd03048fac461594ec75e3d4fe64f9dd79949d129f51e02949
MD5 SHA1 SHA512

Submit Download