glupteba | a90c79757efb6a38fde629f143c1f4dc877b08ca2db4e3ea12f71d537cdf9455

Analysis

max time kernel
149s
max time network
150s
platform
windows11-21h2_x64
resource
win11-20240426-en
resource tags

arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system
submitted
19/05/2024, 08:59

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General

Target
a90c79757efb6a38fde629f143c1f4dc877b08ca2db4e3ea12f71d537cdf9455.exe
Size 4.1MB
Sample240519-kxtmjsbc6z
SHA256 a90c79757efb6a38fde629f143c1f4dc877b08ca2db4e3ea12f71d537cdf9455
MD5 1f124de6e22eec25f5bf12a0cead0aa3
SHA1 df5bc45560c47326fc8ebea422dd2a31e269cfe6
SHA512 aaaa8aadb4393400f310d7a8d9a684fda9f015e5e10c8619ada333113aa9e1a0bfb70e580b66d6b41c3acdd15b7bf322d74946880959ffb18baa788432186d11
SSDEEP 98304:ovCQaDBnSWO/B+XxjapSyZlG1PnsYHdaWgIg92gsnC3bzMZh6P1W:ovC3DFSWO/BjYGk1PnXHoWWZ1za6NW
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

glupteba discovery dropper evasion execution loader persistence upx

Malware Config

Signatures

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

Glupteba payload 19 IoCs

resource	yara_rule
behavioral2/memory/408-2-0x0000000004670000-0x0000000004F5B000-memory.dmp	family_glupteba
behavioral2/memory/408-3-0x0000000000400000-0x0000000000D1C000-memory.dmp	family_glupteba
behavioral2/memory/408-51-0x0000000000400000-0x0000000002365000-memory.dmp	family_glupteba
behavioral2/memory/408-54-0x0000000004670000-0x0000000004F5B000-memory.dmp	family_glupteba
behavioral2/memory/408-53-0x0000000000400000-0x0000000000D1C000-memory.dmp	family_glupteba
behavioral2/memory/2264-125-0x0000000000400000-0x0000000002365000-memory.dmp	family_glupteba
behavioral2/memory/4296-197-0x0000000000400000-0x0000000002365000-memory.dmp	family_glupteba
behavioral2/memory/4296-204-0x0000000000400000-0x0000000002365000-memory.dmp	family_glupteba
behavioral2/memory/4296-212-0x0000000000400000-0x0000000002365000-memory.dmp	family_glupteba
behavioral2/memory/4296-220-0x0000000000400000-0x0000000002365000-memory.dmp	family_glupteba
behavioral2/memory/4296-228-0x0000000000400000-0x0000000002365000-memory.dmp	family_glupteba
behavioral2/memory/4296-236-0x0000000000400000-0x0000000002365000-memory.dmp	family_glupteba
behavioral2/memory/4296-244-0x0000000000400000-0x0000000002365000-memory.dmp	family_glupteba
behavioral2/memory/4296-252-0x0000000000400000-0x0000000002365000-memory.dmp	family_glupteba
behavioral2/memory/4296-260-0x0000000000400000-0x0000000002365000-memory.dmp	family_glupteba
behavioral2/memory/4296-268-0x0000000000400000-0x0000000002365000-memory.dmp	family_glupteba
behavioral2/memory/4296-276-0x0000000000400000-0x0000000002365000-memory.dmp	family_glupteba
behavioral2/memory/4296-284-0x0000000000400000-0x0000000002365000-memory.dmp	family_glupteba
behavioral2/memory/4296-292-0x0000000000400000-0x0000000002365000-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
832	netsh.exe

Executes dropped EXE 1 IoCs

pid	Process
4296	csrss.exe

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2748-200-0x0000000000400000-0x00000000008DF000-memory.dmp	upx
behavioral2/memory/2748-203-0x0000000000400000-0x00000000008DF000-memory.dmp	upx
behavioral2/memory/4620-202-0x0000000000400000-0x00000000008DF000-memory.dmp	upx
behavioral2/memory/4620-211-0x0000000000400000-0x00000000008DF000-memory.dmp	upx
behavioral2/memory/4620-227-0x0000000000400000-0x00000000008DF000-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-1-5-21-1230210488-3096403634-4129516247-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\""	a90c79757efb6a38fde629f143c1f4dc877b08ca2db4e3ea12f71d537cdf9455.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1230210488-3096403634-4129516247-1000\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

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 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

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	a90c79757efb6a38fde629f143c1f4dc877b08ca2db4e3ea12f71d537cdf9455.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\rss	a90c79757efb6a38fde629f143c1f4dc877b08ca2db4e3ea12f71d537cdf9455.exe
File created	C:\Windows\rss\csrss.exe	a90c79757efb6a38fde629f143c1f4dc877b08ca2db4e3ea12f71d537cdf9455.exe

Launches sc.exe 1 IoCs

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

pid	Process
3584	sc.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 7 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
2840	powershell.exe
4756	powershell.exe
3344	powershell.exe
4744	powershell.exe
2376	powershell.exe
4512	powershell.exe
3924	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
4972	schtasks.exe
480	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,-751 = "Tonga Daylight Time"	a90c79757efb6a38fde629f143c1f4dc877b08ca2db4e3ea12f71d537cdf9455.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-201 = "US Mountain Daylight Time"	a90c79757efb6a38fde629f143c1f4dc877b08ca2db4e3ea12f71d537cdf9455.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\CA\Certificates	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\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\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-449 = "Azerbaijan Standard Time"	a90c79757efb6a38fde629f143c1f4dc877b08ca2db4e3ea12f71d537cdf9455.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-81 = "Atlantic Daylight Time"	a90c79757efb6a38fde629f143c1f4dc877b08ca2db4e3ea12f71d537cdf9455.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-182 = "Mountain Standard Time (Mexico)"	a90c79757efb6a38fde629f143c1f4dc877b08ca2db4e3ea12f71d537cdf9455.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates	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\2a\52C64B7E\@tzres.dll,-512 = "Central Asia Standard Time"	windefender.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1831 = "Russia TZ 2 Daylight Time"	windefender.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-462 = "Afghanistan Standard Time"	a90c79757efb6a38fde629f143c1f4dc877b08ca2db4e3ea12f71d537cdf9455.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\@tzres.dll,-202 = "US Mountain Standard Time"	windefender.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-571 = "China Daylight Time"	a90c79757efb6a38fde629f143c1f4dc877b08ca2db4e3ea12f71d537cdf9455.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-282 = "Central Europe Standard Time"	windefender.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1842 = "Russia TZ 4 Standard Time"	windefender.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-382 = "South Africa Standard Time"	windefender.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2891 = "Sudan Daylight Time"	windefender.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-381 = "South Africa Daylight Time"	a90c79757efb6a38fde629f143c1f4dc877b08ca2db4e3ea12f71d537cdf9455.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-631 = "Tokyo Daylight Time"	a90c79757efb6a38fde629f143c1f4dc877b08ca2db4e3ea12f71d537cdf9455.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-721 = "Central Pacific Daylight Time"	a90c79757efb6a38fde629f143c1f4dc877b08ca2db4e3ea12f71d537cdf9455.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,-2391 = "Aleutian Daylight Time"	windefender.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-442 = "Arabian Standard Time"	windefender.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-449 = "Azerbaijan Standard Time"	windefender.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-41 = "E. South America Daylight Time"	windefender.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2411 = "Marquesas Daylight Time"	windefender.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-631 = "Tokyo Daylight Time"	windefender.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2181 = "Astrakhan Daylight Time"	a90c79757efb6a38fde629f143c1f4dc877b08ca2db4e3ea12f71d537cdf9455.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-281 = "Central Europe Daylight Time"	a90c79757efb6a38fde629f143c1f4dc877b08ca2db4e3ea12f71d537cdf9455.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2771 = "Omsk Daylight Time"	a90c79757efb6a38fde629f143c1f4dc877b08ca2db4e3ea12f71d537cdf9455.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2531 = "Chatham Islands Daylight Time"	windefender.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-332 = "E. Europe Standard Time"	windefender.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-891 = "Morocco Daylight Time"	windefender.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-501 = "Nepal Daylight Time"	windefender.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-592 = "Malay Peninsula Standard Time"	windefender.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2392 = "Aleutian Standard Time"	a90c79757efb6a38fde629f143c1f4dc877b08ca2db4e3ea12f71d537cdf9455.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-652 = "AUS Central Standard Time"	windefender.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2511 = "Lord Howe Daylight Time"	windefender.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2322 = "Sakhalin Standard Time"	windefender.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-691 = "Tasmania Daylight Time"	windefender.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-91 = "Pacific SA Daylight Time"	a90c79757efb6a38fde629f143c1f4dc877b08ca2db4e3ea12f71d537cdf9455.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople	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\2a\52C64B7E\@tzres.dll,-632 = "Tokyo Standard Time"	windefender.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-172 = "Central Standard Time (Mexico)"	a90c79757efb6a38fde629f143c1f4dc877b08ca2db4e3ea12f71d537cdf9455.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1802 = "Line Islands Standard Time"	a90c79757efb6a38fde629f143c1f4dc877b08ca2db4e3ea12f71d537cdf9455.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-251 = "Dateline Daylight Time"	a90c79757efb6a38fde629f143c1f4dc877b08ca2db4e3ea12f71d537cdf9455.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2042 = "Eastern Standard Time (Mexico)"	a90c79757efb6a38fde629f143c1f4dc877b08ca2db4e3ea12f71d537cdf9455.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-31 = "Mid-Atlantic Daylight Time"	a90c79757efb6a38fde629f143c1f4dc877b08ca2db4e3ea12f71d537cdf9455.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs	powershell.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
4744	powershell.exe
4744	powershell.exe
408	a90c79757efb6a38fde629f143c1f4dc877b08ca2db4e3ea12f71d537cdf9455.exe
408	a90c79757efb6a38fde629f143c1f4dc877b08ca2db4e3ea12f71d537cdf9455.exe
2376	powershell.exe
2376	powershell.exe
2264	a90c79757efb6a38fde629f143c1f4dc877b08ca2db4e3ea12f71d537cdf9455.exe
2264	a90c79757efb6a38fde629f143c1f4dc877b08ca2db4e3ea12f71d537cdf9455.exe
2264	a90c79757efb6a38fde629f143c1f4dc877b08ca2db4e3ea12f71d537cdf9455.exe
2264	a90c79757efb6a38fde629f143c1f4dc877b08ca2db4e3ea12f71d537cdf9455.exe
2264	a90c79757efb6a38fde629f143c1f4dc877b08ca2db4e3ea12f71d537cdf9455.exe
2264	a90c79757efb6a38fde629f143c1f4dc877b08ca2db4e3ea12f71d537cdf9455.exe
2264	a90c79757efb6a38fde629f143c1f4dc877b08ca2db4e3ea12f71d537cdf9455.exe
2264	a90c79757efb6a38fde629f143c1f4dc877b08ca2db4e3ea12f71d537cdf9455.exe
2264	a90c79757efb6a38fde629f143c1f4dc877b08ca2db4e3ea12f71d537cdf9455.exe
2264	a90c79757efb6a38fde629f143c1f4dc877b08ca2db4e3ea12f71d537cdf9455.exe
4512	powershell.exe
4512	powershell.exe
3924	powershell.exe
3924	powershell.exe
2840	powershell.exe
2840	powershell.exe
4756	powershell.exe
4756	powershell.exe
3344	powershell.exe
3344	powershell.exe
1716	injector.exe
1716	injector.exe
1716	injector.exe
1716	injector.exe
1716	injector.exe
1716	injector.exe
1716	injector.exe
1716	injector.exe
1716	injector.exe
1716	injector.exe
1716	injector.exe
1716	injector.exe
1716	injector.exe
1716	injector.exe
1716	injector.exe
1716	injector.exe
1716	injector.exe
1716	injector.exe
1716	injector.exe
1716	injector.exe
1716	injector.exe
1716	injector.exe
1716	injector.exe
1716	injector.exe
1716	injector.exe
1716	injector.exe
1716	injector.exe
1716	injector.exe
1716	injector.exe
1716	injector.exe
1716	injector.exe
1716	injector.exe
1716	injector.exe
1716	injector.exe
1716	injector.exe
1716	injector.exe
1716	injector.exe
1716	injector.exe

Suspicious use of AdjustPrivilegeToken 11 IoCs

description	pid	Process
Token: SeDebugPrivilege	4744	powershell.exe
Token: SeDebugPrivilege	408	a90c79757efb6a38fde629f143c1f4dc877b08ca2db4e3ea12f71d537cdf9455.exe
Token: SeImpersonatePrivilege	408	a90c79757efb6a38fde629f143c1f4dc877b08ca2db4e3ea12f71d537cdf9455.exe
Token: SeDebugPrivilege	2376	powershell.exe
Token: SeDebugPrivilege	4512	powershell.exe
Token: SeDebugPrivilege	3924	powershell.exe
Token: SeDebugPrivilege	2840	powershell.exe
Token: SeDebugPrivilege	4756	powershell.exe
Token: SeDebugPrivilege	3344	powershell.exe
Token: SeSecurityPrivilege	3584	sc.exe
Token: SeSecurityPrivilege	3584	sc.exe

Suspicious use of WriteProcessMemory 25 IoCs

description	pid	Process	procid_target
PID 408 wrote to memory of 4744	408	a90c79757efb6a38fde629f143c1f4dc877b08ca2db4e3ea12f71d537cdf9455.exe	82
PID 408 wrote to memory of 4744	408	a90c79757efb6a38fde629f143c1f4dc877b08ca2db4e3ea12f71d537cdf9455.exe	82
PID 408 wrote to memory of 4744	408	a90c79757efb6a38fde629f143c1f4dc877b08ca2db4e3ea12f71d537cdf9455.exe	82
PID 2264 wrote to memory of 2376	2264	a90c79757efb6a38fde629f143c1f4dc877b08ca2db4e3ea12f71d537cdf9455.exe	88
PID 2264 wrote to memory of 2376	2264	a90c79757efb6a38fde629f143c1f4dc877b08ca2db4e3ea12f71d537cdf9455.exe	88
PID 2264 wrote to memory of 2376	2264	a90c79757efb6a38fde629f143c1f4dc877b08ca2db4e3ea12f71d537cdf9455.exe	88
PID 2264 wrote to memory of 4868	2264	a90c79757efb6a38fde629f143c1f4dc877b08ca2db4e3ea12f71d537cdf9455.exe	90
PID 2264 wrote to memory of 4868	2264	a90c79757efb6a38fde629f143c1f4dc877b08ca2db4e3ea12f71d537cdf9455.exe	90
PID 4868 wrote to memory of 832	4868	cmd.exe	92
PID 4868 wrote to memory of 832	4868	cmd.exe	92
PID 2264 wrote to memory of 4512	2264	a90c79757efb6a38fde629f143c1f4dc877b08ca2db4e3ea12f71d537cdf9455.exe	93
PID 2264 wrote to memory of 4512	2264	a90c79757efb6a38fde629f143c1f4dc877b08ca2db4e3ea12f71d537cdf9455.exe	93
PID 2264 wrote to memory of 4512	2264	a90c79757efb6a38fde629f143c1f4dc877b08ca2db4e3ea12f71d537cdf9455.exe	93
PID 2264 wrote to memory of 3924	2264	a90c79757efb6a38fde629f143c1f4dc877b08ca2db4e3ea12f71d537cdf9455.exe	95
PID 2264 wrote to memory of 3924	2264	a90c79757efb6a38fde629f143c1f4dc877b08ca2db4e3ea12f71d537cdf9455.exe	95
PID 2264 wrote to memory of 3924	2264	a90c79757efb6a38fde629f143c1f4dc877b08ca2db4e3ea12f71d537cdf9455.exe	95
PID 2264 wrote to memory of 4296	2264	a90c79757efb6a38fde629f143c1f4dc877b08ca2db4e3ea12f71d537cdf9455.exe	97
PID 2264 wrote to memory of 4296	2264	a90c79757efb6a38fde629f143c1f4dc877b08ca2db4e3ea12f71d537cdf9455.exe	97
PID 2264 wrote to memory of 4296	2264	a90c79757efb6a38fde629f143c1f4dc877b08ca2db4e3ea12f71d537cdf9455.exe	97
PID 2748 wrote to memory of 3060	2748	windefender.exe	114
PID 2748 wrote to memory of 3060	2748	windefender.exe	114
PID 2748 wrote to memory of 3060	2748	windefender.exe	114
PID 3060 wrote to memory of 3584	3060	cmd.exe	115
PID 3060 wrote to memory of 3584	3060	cmd.exe	115
PID 3060 wrote to memory of 3584	3060	cmd.exe	115

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\a90c79757efb6a38fde629f143c1f4dc877b08ca2db4e3ea12f71d537cdf9455.exe
"C:\Users\Admin\AppData\Local\Temp\a90c79757efb6a38fde629f143c1f4dc877b08ca2db4e3ea12f71d537cdf9455.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:408
- 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:4744
- C:\Users\Admin\AppData\Local\Temp\a90c79757efb6a38fde629f143c1f4dc877b08ca2db4e3ea12f71d537cdf9455.exe
  "C:\Users\Admin\AppData\Local\Temp\a90c79757efb6a38fde629f143c1f4dc877b08ca2db4e3ea12f71d537cdf9455.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:2264
- - 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:2376
- - 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:4868
  - - 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:832
- - 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:4512
- - 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:3924
- - C:\Windows\rss\csrss.exe
    C:\Windows\rss\csrss.exe
    3⤵
    - Executes dropped EXE
    - Adds Run key to start application
    PID:4296
  - - 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:2840
  - - 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:4972
  - - C:\Windows\SYSTEM32\schtasks.exe
      schtasks /delete /tn ScheduledUpdate /f
      4⤵
      PID:4376
  - - 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:4756
  - - 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:3344
  - - 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⤵
      Suspicious behavior: EnumeratesProcesses
      PID:1716
  - - 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:480
  - - C:\Windows\windefender.exe
      "C:\Windows\windefender.exe"
      4⤵
      Suspicious use of WriteProcessMemory
      PID:2748
    - - 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:3060
      - 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:3584

C:\Windows\windefender.exe
C:\Windows\windefender.exe
1⤵
- Modifies data under HKEY_USERS
PID:4620

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

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Downloads

__PSScriptPolicyTest_n25i13m3.nqv.ps1

Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_n25i13m3.nqv.ps1
Size 60B
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
MD5 SHA1 SHA512

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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 9600b3fdf0565ccb49e21656aa4b24d7c18f776bfd04d9ee984b134707550f02
MD5 d0c46cad6c0778401e21910bd6b56b70
SHA1 7be418951ea96326aca445b8dfe449b2bfa0dca6
SHA512 057531b468f7fbbb2175a696a8aab274dec0d17d9f71df309edcff35e064f3378050066a3df47ccd03048fac461594ec75e3d4fe64f9dd79949d129f51e02949
MD5 SHA1 SHA512

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