glupteba | 647c5d6b337dff10d6f2c06b517a10404dc2b0e37fc7bacd1fc28e790b2ba381

Analysis

max time kernel
150s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240426-en
resource tags

arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
submitted
19/05/2024, 13:59

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target
647c5d6b337dff10d6f2c06b517a10404dc2b0e37fc7bacd1fc28e790b2ba381.exe
Size 4.1MB
Sample240519-ractvaba33
SHA256 647c5d6b337dff10d6f2c06b517a10404dc2b0e37fc7bacd1fc28e790b2ba381
MD5 9a73e0d92def8600531efe11a49d1520
SHA1 b23d6db5f2a94f28f82a37a18ec32540eea8179c
SHA512 a46e52703bbaadb1edde8585b17fc320bf64b6ae7b714224264ad42eccdfc69b865a3eb57d5e2e3e88c1f052d0b142499313fc84dee0c1243ea45ce0bff59851
SSDEEP 98304:UNaXJU8AJvaro5mDbVFqT6QhicqJuM7BOvJODhfBAiYJAl59Wp:UqU8A9EamDpImBOY9f2Np
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

glupteba discovery dropper evasion execution loader persistence rootkit upx

Malware Config

Signatures

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

Glupteba payload 15 IoCs

resource	yara_rule
behavioral1/memory/5612-138-0x0000000000400000-0x000000000273B000-memory.dmp	family_glupteba
behavioral1/memory/4592-177-0x0000000000400000-0x000000000273B000-memory.dmp	family_glupteba
behavioral1/memory/4560-208-0x0000000000400000-0x000000000273B000-memory.dmp	family_glupteba
behavioral1/memory/4560-218-0x0000000000400000-0x000000000273B000-memory.dmp	family_glupteba
behavioral1/memory/4560-222-0x0000000000400000-0x000000000273B000-memory.dmp	family_glupteba
behavioral1/memory/4560-226-0x0000000000400000-0x000000000273B000-memory.dmp	family_glupteba
behavioral1/memory/4560-230-0x0000000000400000-0x000000000273B000-memory.dmp	family_glupteba
behavioral1/memory/4560-234-0x0000000000400000-0x000000000273B000-memory.dmp	family_glupteba
behavioral1/memory/4560-238-0x0000000000400000-0x000000000273B000-memory.dmp	family_glupteba
behavioral1/memory/4560-242-0x0000000000400000-0x000000000273B000-memory.dmp	family_glupteba
behavioral1/memory/4560-246-0x0000000000400000-0x000000000273B000-memory.dmp	family_glupteba
behavioral1/memory/4560-250-0x0000000000400000-0x000000000273B000-memory.dmp	family_glupteba
behavioral1/memory/4560-254-0x0000000000400000-0x000000000273B000-memory.dmp	family_glupteba
behavioral1/memory/4560-258-0x0000000000400000-0x000000000273B000-memory.dmp	family_glupteba
behavioral1/memory/4560-262-0x0000000000400000-0x000000000273B000-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
744	netsh.exe

Executes dropped EXE 4 IoCs

pid	Process
4560	csrss.exe
3744	injector.exe
3724	windefender.exe
2596	windefender.exe

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral1/files/0x000c00000002342e-212.dat	upx
behavioral1/memory/3724-214-0x0000000000400000-0x00000000008DF000-memory.dmp	upx
behavioral1/memory/3724-216-0x0000000000400000-0x00000000008DF000-memory.dmp	upx
behavioral1/memory/2596-220-0x0000000000400000-0x00000000008DF000-memory.dmp	upx
behavioral1/memory/2596-228-0x0000000000400000-0x00000000008DF000-memory.dmp	upx
behavioral1/memory/2596-240-0x0000000000400000-0x00000000008DF000-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-1-5-21-3906287020-2915474608-1755617787-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\""	647c5d6b337dff10d6f2c06b517a10404dc2b0e37fc7bacd1fc28e790b2ba381.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3906287020-2915474608-1755617787-1000\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	647c5d6b337dff10d6f2c06b517a10404dc2b0e37fc7bacd1fc28e790b2ba381.exe

Drops file in Windows directory 4 IoCs

description	ioc	Process
File opened for modification	C:\Windows\rss	647c5d6b337dff10d6f2c06b517a10404dc2b0e37fc7bacd1fc28e790b2ba381.exe
File created	C:\Windows\rss\csrss.exe	647c5d6b337dff10d6f2c06b517a10404dc2b0e37fc7bacd1fc28e790b2ba381.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
5812	sc.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 7 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
5752	powershell.exe
5964	powershell.exe
5820	powershell.exe
5308	powershell.exe
5096	powershell.exe
2836	powershell.exe
1920	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
1092	schtasks.exe
648	schtasks.exe

Modifies data under HKEY_USERS 64 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-181 = "Mountain Daylight Time (Mexico)"	647c5d6b337dff10d6f2c06b517a10404dc2b0e37fc7bacd1fc28e790b2ba381.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-3051 = "Qyzylorda Daylight Time"	windefender.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-602 = "Taipei Standard Time"	windefender.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-341 = "Egypt Daylight Time"	647c5d6b337dff10d6f2c06b517a10404dc2b0e37fc7bacd1fc28e790b2ba381.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1891 = "Russia TZ 3 Daylight Time"	647c5d6b337dff10d6f2c06b517a10404dc2b0e37fc7bacd1fc28e790b2ba381.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2321 = "Sakhalin Daylight Time"	647c5d6b337dff10d6f2c06b517a10404dc2b0e37fc7bacd1fc28e790b2ba381.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-364 = "Middle East Daylight Time"	windefender.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-111 = "Eastern Daylight Time"	647c5d6b337dff10d6f2c06b517a10404dc2b0e37fc7bacd1fc28e790b2ba381.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-492 = "India Standard Time"	647c5d6b337dff10d6f2c06b517a10404dc2b0e37fc7bacd1fc28e790b2ba381.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-601 = "Taipei Daylight Time"	647c5d6b337dff10d6f2c06b517a10404dc2b0e37fc7bacd1fc28e790b2ba381.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2431 = "Cuba Daylight Time"	windefender.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-492 = "India Standard Time"	windefender.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-442 = "Arabian Standard Time"	647c5d6b337dff10d6f2c06b517a10404dc2b0e37fc7bacd1fc28e790b2ba381.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2061 = "North Korea Daylight Time"	647c5d6b337dff10d6f2c06b517a10404dc2b0e37fc7bacd1fc28e790b2ba381.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-91 = "Pacific SA Daylight Time"	647c5d6b337dff10d6f2c06b517a10404dc2b0e37fc7bacd1fc28e790b2ba381.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\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\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2841 = "Saratov Daylight Time"	647c5d6b337dff10d6f2c06b517a10404dc2b0e37fc7bacd1fc28e790b2ba381.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates	powershell.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\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1502 = "Turkey Standard Time"	647c5d6b337dff10d6f2c06b517a10404dc2b0e37fc7bacd1fc28e790b2ba381.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-842 = "Argentina Standard Time"	windefender.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-161 = "Central Daylight Time"	windefender.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-351 = "FLE Daylight Time"	windefender.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1861 = "Russia TZ 6 Daylight Time"	windefender.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-302 = "Romance Standard Time"	windefender.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2842 = "Saratov Standard Time"	windefender.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-434 = "Georgian Daylight Time"	647c5d6b337dff10d6f2c06b517a10404dc2b0e37fc7bacd1fc28e790b2ba381.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1912 = "Russia TZ 10 Standard Time"	647c5d6b337dff10d6f2c06b517a10404dc2b0e37fc7bacd1fc28e790b2ba381.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-182 = "Mountain Standard Time (Mexico)"	windefender.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-742 = "New Zealand Standard Time"	windefender.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-572 = "China Standard Time"	647c5d6b337dff10d6f2c06b517a10404dc2b0e37fc7bacd1fc28e790b2ba381.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-112 = "Eastern Standard Time"	647c5d6b337dff10d6f2c06b517a10404dc2b0e37fc7bacd1fc28e790b2ba381.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-302 = "Romance Standard Time"	647c5d6b337dff10d6f2c06b517a10404dc2b0e37fc7bacd1fc28e790b2ba381.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1411 = "Syria Daylight Time"	647c5d6b337dff10d6f2c06b517a10404dc2b0e37fc7bacd1fc28e790b2ba381.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-732 = "Fiji Standard Time"	windefender.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-331 = "E. Europe Daylight Time"	647c5d6b337dff10d6f2c06b517a10404dc2b0e37fc7bacd1fc28e790b2ba381.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-772 = "Montevideo Standard Time"	647c5d6b337dff10d6f2c06b517a10404dc2b0e37fc7bacd1fc28e790b2ba381.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2632 = "Norfolk Standard Time"	windefender.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2752 = "Tomsk Standard Time"	windefender.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-201 = "US Mountain Daylight Time"	windefender.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-361 = "GTB Daylight Time"	windefender.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-231 = "Hawaiian Daylight Time"	647c5d6b337dff10d6f2c06b517a10404dc2b0e37fc7bacd1fc28e790b2ba381.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1872 = "Russia TZ 7 Standard Time"	647c5d6b337dff10d6f2c06b517a10404dc2b0e37fc7bacd1fc28e790b2ba381.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2571 = "Turks and Caicos Daylight Time"	647c5d6b337dff10d6f2c06b517a10404dc2b0e37fc7bacd1fc28e790b2ba381.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates	powershell.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
5308	powershell.exe
5308	powershell.exe
5612	647c5d6b337dff10d6f2c06b517a10404dc2b0e37fc7bacd1fc28e790b2ba381.exe
5612	647c5d6b337dff10d6f2c06b517a10404dc2b0e37fc7bacd1fc28e790b2ba381.exe
5096	powershell.exe
5096	powershell.exe
4592	647c5d6b337dff10d6f2c06b517a10404dc2b0e37fc7bacd1fc28e790b2ba381.exe
4592	647c5d6b337dff10d6f2c06b517a10404dc2b0e37fc7bacd1fc28e790b2ba381.exe
4592	647c5d6b337dff10d6f2c06b517a10404dc2b0e37fc7bacd1fc28e790b2ba381.exe
4592	647c5d6b337dff10d6f2c06b517a10404dc2b0e37fc7bacd1fc28e790b2ba381.exe
4592	647c5d6b337dff10d6f2c06b517a10404dc2b0e37fc7bacd1fc28e790b2ba381.exe
4592	647c5d6b337dff10d6f2c06b517a10404dc2b0e37fc7bacd1fc28e790b2ba381.exe
4592	647c5d6b337dff10d6f2c06b517a10404dc2b0e37fc7bacd1fc28e790b2ba381.exe
4592	647c5d6b337dff10d6f2c06b517a10404dc2b0e37fc7bacd1fc28e790b2ba381.exe
4592	647c5d6b337dff10d6f2c06b517a10404dc2b0e37fc7bacd1fc28e790b2ba381.exe
4592	647c5d6b337dff10d6f2c06b517a10404dc2b0e37fc7bacd1fc28e790b2ba381.exe
2836	powershell.exe
2836	powershell.exe
2836	powershell.exe
1920	powershell.exe
1920	powershell.exe
1920	powershell.exe
5752	powershell.exe
5752	powershell.exe
5752	powershell.exe
5964	powershell.exe
5964	powershell.exe
5820	powershell.exe
5820	powershell.exe
3744	injector.exe
3744	injector.exe
3744	injector.exe
3744	injector.exe
3744	injector.exe
3744	injector.exe
4560	csrss.exe
4560	csrss.exe
3744	injector.exe
3744	injector.exe
3744	injector.exe
3744	injector.exe
3744	injector.exe
3744	injector.exe
4560	csrss.exe
4560	csrss.exe
3744	injector.exe
3744	injector.exe
3744	injector.exe
3744	injector.exe
4560	csrss.exe
4560	csrss.exe
3744	injector.exe
3744	injector.exe
3744	injector.exe
3744	injector.exe
3744	injector.exe
3744	injector.exe
3744	injector.exe
3744	injector.exe
3744	injector.exe
3744	injector.exe
3744	injector.exe
3744	injector.exe
3744	injector.exe

Suspicious use of AdjustPrivilegeToken 12 IoCs

description	pid	Process
Token: SeDebugPrivilege	5308	powershell.exe
Token: SeDebugPrivilege	5612	647c5d6b337dff10d6f2c06b517a10404dc2b0e37fc7bacd1fc28e790b2ba381.exe
Token: SeImpersonatePrivilege	5612	647c5d6b337dff10d6f2c06b517a10404dc2b0e37fc7bacd1fc28e790b2ba381.exe
Token: SeDebugPrivilege	5096	powershell.exe
Token: SeDebugPrivilege	2836	powershell.exe
Token: SeDebugPrivilege	1920	powershell.exe
Token: SeDebugPrivilege	5752	powershell.exe
Token: SeDebugPrivilege	5964	powershell.exe
Token: SeDebugPrivilege	5820	powershell.exe
Token: SeSystemEnvironmentPrivilege	4560	csrss.exe
Token: SeSecurityPrivilege	5812	sc.exe
Token: SeSecurityPrivilege	5812	sc.exe

Suspicious use of WriteProcessMemory 36 IoCs

description	pid	Process	procid_target
PID 5612 wrote to memory of 5308	5612	647c5d6b337dff10d6f2c06b517a10404dc2b0e37fc7bacd1fc28e790b2ba381.exe	83
PID 5612 wrote to memory of 5308	5612	647c5d6b337dff10d6f2c06b517a10404dc2b0e37fc7bacd1fc28e790b2ba381.exe	83
PID 5612 wrote to memory of 5308	5612	647c5d6b337dff10d6f2c06b517a10404dc2b0e37fc7bacd1fc28e790b2ba381.exe	83
PID 4592 wrote to memory of 5096	4592	647c5d6b337dff10d6f2c06b517a10404dc2b0e37fc7bacd1fc28e790b2ba381.exe	94
PID 4592 wrote to memory of 5096	4592	647c5d6b337dff10d6f2c06b517a10404dc2b0e37fc7bacd1fc28e790b2ba381.exe	94
PID 4592 wrote to memory of 5096	4592	647c5d6b337dff10d6f2c06b517a10404dc2b0e37fc7bacd1fc28e790b2ba381.exe	94
PID 4592 wrote to memory of 5032	4592	647c5d6b337dff10d6f2c06b517a10404dc2b0e37fc7bacd1fc28e790b2ba381.exe	96
PID 4592 wrote to memory of 5032	4592	647c5d6b337dff10d6f2c06b517a10404dc2b0e37fc7bacd1fc28e790b2ba381.exe	96
PID 5032 wrote to memory of 744	5032	cmd.exe	98
PID 5032 wrote to memory of 744	5032	cmd.exe	98
PID 4592 wrote to memory of 2836	4592	647c5d6b337dff10d6f2c06b517a10404dc2b0e37fc7bacd1fc28e790b2ba381.exe	101
PID 4592 wrote to memory of 2836	4592	647c5d6b337dff10d6f2c06b517a10404dc2b0e37fc7bacd1fc28e790b2ba381.exe	101
PID 4592 wrote to memory of 2836	4592	647c5d6b337dff10d6f2c06b517a10404dc2b0e37fc7bacd1fc28e790b2ba381.exe	101
PID 4592 wrote to memory of 1920	4592	647c5d6b337dff10d6f2c06b517a10404dc2b0e37fc7bacd1fc28e790b2ba381.exe	103
PID 4592 wrote to memory of 1920	4592	647c5d6b337dff10d6f2c06b517a10404dc2b0e37fc7bacd1fc28e790b2ba381.exe	103
PID 4592 wrote to memory of 1920	4592	647c5d6b337dff10d6f2c06b517a10404dc2b0e37fc7bacd1fc28e790b2ba381.exe	103
PID 4592 wrote to memory of 4560	4592	647c5d6b337dff10d6f2c06b517a10404dc2b0e37fc7bacd1fc28e790b2ba381.exe	107
PID 4592 wrote to memory of 4560	4592	647c5d6b337dff10d6f2c06b517a10404dc2b0e37fc7bacd1fc28e790b2ba381.exe	107
PID 4592 wrote to memory of 4560	4592	647c5d6b337dff10d6f2c06b517a10404dc2b0e37fc7bacd1fc28e790b2ba381.exe	107
PID 4560 wrote to memory of 5752	4560	csrss.exe	108
PID 4560 wrote to memory of 5752	4560	csrss.exe	108
PID 4560 wrote to memory of 5752	4560	csrss.exe	108
PID 4560 wrote to memory of 5964	4560	csrss.exe	115
PID 4560 wrote to memory of 5964	4560	csrss.exe	115
PID 4560 wrote to memory of 5964	4560	csrss.exe	115
PID 4560 wrote to memory of 5820	4560	csrss.exe	117
PID 4560 wrote to memory of 5820	4560	csrss.exe	117
PID 4560 wrote to memory of 5820	4560	csrss.exe	117
PID 4560 wrote to memory of 3744	4560	csrss.exe	119
PID 4560 wrote to memory of 3744	4560	csrss.exe	119
PID 3724 wrote to memory of 5748	3724	windefender.exe	125
PID 3724 wrote to memory of 5748	3724	windefender.exe	125
PID 3724 wrote to memory of 5748	3724	windefender.exe	125
PID 5748 wrote to memory of 5812	5748	cmd.exe	126
PID 5748 wrote to memory of 5812	5748	cmd.exe	126
PID 5748 wrote to memory of 5812	5748	cmd.exe	126

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\647c5d6b337dff10d6f2c06b517a10404dc2b0e37fc7bacd1fc28e790b2ba381.exe
"C:\Users\Admin\AppData\Local\Temp\647c5d6b337dff10d6f2c06b517a10404dc2b0e37fc7bacd1fc28e790b2ba381.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5612
- 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:5308
- C:\Users\Admin\AppData\Local\Temp\647c5d6b337dff10d6f2c06b517a10404dc2b0e37fc7bacd1fc28e790b2ba381.exe
  "C:\Users\Admin\AppData\Local\Temp\647c5d6b337dff10d6f2c06b517a10404dc2b0e37fc7bacd1fc28e790b2ba381.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:4592
- - 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:5096
- - 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:5032
  - - 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:744
- - 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:2836
- - 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:1920
- - 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:4560
  - - 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:5752
  - - 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:1092
  - - C:\Windows\SYSTEM32\schtasks.exe
      schtasks /delete /tn ScheduledUpdate /f
      4⤵
      PID:212
  - - 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:5964
  - - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      powershell -nologo -noprofile
      4⤵
      Drops file in System32 directory
      Command and Scripting Interpreter: PowerShell
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:5820
  - - 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:3744
  - - 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:648
  - - C:\Windows\windefender.exe
      "C:\Windows\windefender.exe"
      4⤵
      Executes dropped EXE
      Suspicious use of WriteProcessMemory
      PID:3724
    - - 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:5748
      - 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:5812

C:\Windows\windefender.exe
C:\Windows\windefender.exe
1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:2596

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

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_hyi5whwe.t2x.ps1

Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_hyi5whwe.t2x.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 92099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
MD5 968cb9309758126772781b83adb8a28f
SHA1 8da30e71accf186b2ba11da1797cf67f8f78b47c
SHA512 4bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3
MD5 SHA1 SHA512

Submit Download