glupteba | 656ab86811cef0901ba694e823723a42cfb3e2731e0a71830c7dd4321ac7323f

Analysis

max time kernel
140s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
15/05/2024, 23:49

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General

Target

656ab86811cef0901ba694e823723a42cfb3e2731e0a71830c7dd4321ac7323f.exe
Size

4.1MB
MD5

15bd44fd02ee654060bf8b95aa0387e3
SHA1

c2dd2b7a42c08d0760d5e3f8fd3d8b5f6d584ed7
SHA256

656ab86811cef0901ba694e823723a42cfb3e2731e0a71830c7dd4321ac7323f
SHA512

0dbf55465df79f84e96b07d1f04b39dbf86911719e2a68cd5c7e45965b31d02af80e845e9ea0ffc0c18c934c68f95ea8e9036bb947fb0f68de7c96275ac53523
SSDEEP

98304:Hsj80k8u7e4te7QNzi5j0edbbHwu+w5lmM0XQnT:Hg9u7eueIzil0SbrHmM0C

Score

10^/10

glupteba discovery dropper evasion execution loader persistence

Malware Config

Signatures

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

Glupteba payload 12 IoCs

resource	yara_rule
behavioral1/memory/2432-2-0x0000000004BE0000-0x00000000054CB000-memory.dmp	family_glupteba
behavioral1/memory/2432-3-0x0000000000400000-0x0000000000D1C000-memory.dmp	family_glupteba
behavioral1/memory/2432-10-0x0000000000400000-0x0000000002B0B000-memory.dmp	family_glupteba
behavioral1/memory/2432-33-0x0000000004BE0000-0x00000000054CB000-memory.dmp	family_glupteba
behavioral1/memory/2432-51-0x0000000000400000-0x0000000000D1C000-memory.dmp	family_glupteba
behavioral1/memory/2432-56-0x0000000000400000-0x0000000002B0B000-memory.dmp	family_glupteba
behavioral1/memory/2432-62-0x0000000000400000-0x0000000002B0B000-memory.dmp	family_glupteba
behavioral1/memory/1360-64-0x0000000000400000-0x0000000002B0B000-memory.dmp	family_glupteba
behavioral1/memory/1360-90-0x0000000000400000-0x0000000002B0B000-memory.dmp	family_glupteba
behavioral1/memory/1360-121-0x0000000000400000-0x0000000002B0B000-memory.dmp	family_glupteba
behavioral1/memory/3380-138-0x0000000000400000-0x0000000002B0B000-memory.dmp	family_glupteba
behavioral1/memory/3380-189-0x0000000000400000-0x0000000002B0B000-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
4964	netsh.exe

Executes dropped EXE 1 IoCs

pid	Process
3380	csrss.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\""	656ab86811cef0901ba694e823723a42cfb3e2731e0a71830c7dd4321ac7323f.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 4 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

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	656ab86811cef0901ba694e823723a42cfb3e2731e0a71830c7dd4321ac7323f.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\rss	656ab86811cef0901ba694e823723a42cfb3e2731e0a71830c7dd4321ac7323f.exe
File created	C:\Windows\rss\csrss.exe	656ab86811cef0901ba694e823723a42cfb3e2731e0a71830c7dd4321ac7323f.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 7 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
372	powershell.exe
1752	powershell.exe
4580	powershell.exe
3444	powershell.exe
2656	powershell.exe
1616	powershell.exe
3148	powershell.exe

Creates scheduled task(s) 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence

Scheduled Task/Job

T1053

pid	Process
4016	schtasks.exe

Modifies data under HKEY_USERS 64 IoCs

description	ioc	Process
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	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,-152 = "Central America Standard Time"	656ab86811cef0901ba694e823723a42cfb3e2731e0a71830c7dd4321ac7323f.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-161 = "Central Daylight Time"	656ab86811cef0901ba694e823723a42cfb3e2731e0a71830c7dd4321ac7323f.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-542 = "Myanmar Standard Time"	656ab86811cef0901ba694e823723a42cfb3e2731e0a71830c7dd4321ac7323f.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-772 = "Montevideo Standard Time"	656ab86811cef0901ba694e823723a42cfb3e2731e0a71830c7dd4321ac7323f.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"	656ab86811cef0901ba694e823723a42cfb3e2731e0a71830c7dd4321ac7323f.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2752 = "Tomsk Standard Time"	656ab86811cef0901ba694e823723a42cfb3e2731e0a71830c7dd4321ac7323f.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-931 = "Coordinated Universal Time"	656ab86811cef0901ba694e823723a42cfb3e2731e0a71830c7dd4321ac7323f.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\CA\CRLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\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\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2372 = "Easter Island Standard Time"	656ab86811cef0901ba694e823723a42cfb3e2731e0a71830c7dd4321ac7323f.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"	656ab86811cef0901ba694e823723a42cfb3e2731e0a71830c7dd4321ac7323f.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot	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\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2042 = "Eastern Standard Time (Mexico)"	656ab86811cef0901ba694e823723a42cfb3e2731e0a71830c7dd4321ac7323f.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-364 = "Middle East Daylight Time"	656ab86811cef0901ba694e823723a42cfb3e2731e0a71830c7dd4321ac7323f.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-602 = "Taipei Standard Time"	656ab86811cef0901ba694e823723a42cfb3e2731e0a71830c7dd4321ac7323f.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-441 = "Arabian Daylight Time"	656ab86811cef0901ba694e823723a42cfb3e2731e0a71830c7dd4321ac7323f.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs	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\C:\Windows\system32\,@tzres.dll,-871 = "Pakistan Daylight Time"	656ab86811cef0901ba694e823723a42cfb3e2731e0a71830c7dd4321ac7323f.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2181 = "Astrakhan Daylight Time"	656ab86811cef0901ba694e823723a42cfb3e2731e0a71830c7dd4321ac7323f.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-651 = "AUS Central Daylight Time"	656ab86811cef0901ba694e823723a42cfb3e2731e0a71830c7dd4321ac7323f.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2511 = "Lord Howe Daylight Time"	656ab86811cef0901ba694e823723a42cfb3e2731e0a71830c7dd4321ac7323f.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\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-841 = "Argentina Daylight Time"	656ab86811cef0901ba694e823723a42cfb3e2731e0a71830c7dd4321ac7323f.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2341 = "Haiti Daylight Time"	656ab86811cef0901ba694e823723a42cfb3e2731e0a71830c7dd4321ac7323f.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\C:\Windows\system32\,@tzres.dll,-2612 = "Bougainville Standard Time"	656ab86811cef0901ba694e823723a42cfb3e2731e0a71830c7dd4321ac7323f.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-511 = "Central Asia Daylight Time"	656ab86811cef0901ba694e823723a42cfb3e2731e0a71830c7dd4321ac7323f.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\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\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2632 = "Norfolk Standard Time"	656ab86811cef0901ba694e823723a42cfb3e2731e0a71830c7dd4321ac7323f.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1891 = "Russia TZ 3 Daylight Time"	656ab86811cef0901ba694e823723a42cfb3e2731e0a71830c7dd4321ac7323f.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\C:\Windows\system32\,@tzres.dll,-1841 = "Russia TZ 4 Daylight Time"	656ab86811cef0901ba694e823723a42cfb3e2731e0a71830c7dd4321ac7323f.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-732 = "Fiji Standard Time"	656ab86811cef0901ba694e823723a42cfb3e2731e0a71830c7dd4321ac7323f.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\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\TrustedPeople\CTLs	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-252 = "Dateline Standard Time"	656ab86811cef0901ba694e823723a42cfb3e2731e0a71830c7dd4321ac7323f.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-435 = "Georgian Standard Time"	656ab86811cef0901ba694e823723a42cfb3e2731e0a71830c7dd4321ac7323f.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-201 = "US Mountain Daylight Time"	656ab86811cef0901ba694e823723a42cfb3e2731e0a71830c7dd4321ac7323f.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\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\C:\Windows\system32\,@tzres.dll,-461 = "Afghanistan Daylight Time"	656ab86811cef0901ba694e823723a42cfb3e2731e0a71830c7dd4321ac7323f.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-692 = "Tasmania Standard Time"	656ab86811cef0901ba694e823723a42cfb3e2731e0a71830c7dd4321ac7323f.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates	powershell.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\C:\Windows\system32\,@tzres.dll,-1911 = "Russia TZ 10 Daylight Time"	656ab86811cef0901ba694e823723a42cfb3e2731e0a71830c7dd4321ac7323f.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2322 = "Sakhalin Standard Time"	656ab86811cef0901ba694e823723a42cfb3e2731e0a71830c7dd4321ac7323f.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs	powershell.exe

Suspicious behavior: EnumeratesProcesses 24 IoCs

pid	Process
1752	powershell.exe
1752	powershell.exe
1752	powershell.exe
2432	656ab86811cef0901ba694e823723a42cfb3e2731e0a71830c7dd4321ac7323f.exe
2432	656ab86811cef0901ba694e823723a42cfb3e2731e0a71830c7dd4321ac7323f.exe
4580	powershell.exe
4580	powershell.exe
4580	powershell.exe
1360	656ab86811cef0901ba694e823723a42cfb3e2731e0a71830c7dd4321ac7323f.exe
1360	656ab86811cef0901ba694e823723a42cfb3e2731e0a71830c7dd4321ac7323f.exe
1360	656ab86811cef0901ba694e823723a42cfb3e2731e0a71830c7dd4321ac7323f.exe
1360	656ab86811cef0901ba694e823723a42cfb3e2731e0a71830c7dd4321ac7323f.exe
1360	656ab86811cef0901ba694e823723a42cfb3e2731e0a71830c7dd4321ac7323f.exe
1360	656ab86811cef0901ba694e823723a42cfb3e2731e0a71830c7dd4321ac7323f.exe
1360	656ab86811cef0901ba694e823723a42cfb3e2731e0a71830c7dd4321ac7323f.exe
1360	656ab86811cef0901ba694e823723a42cfb3e2731e0a71830c7dd4321ac7323f.exe
1360	656ab86811cef0901ba694e823723a42cfb3e2731e0a71830c7dd4321ac7323f.exe
1360	656ab86811cef0901ba694e823723a42cfb3e2731e0a71830c7dd4321ac7323f.exe
2656	powershell.exe
2656	powershell.exe
2656	powershell.exe
1616	powershell.exe
1616	powershell.exe
3148	powershell.exe

Suspicious use of AdjustPrivilegeToken 7 IoCs

description	pid	Process
Token: SeDebugPrivilege	1752	powershell.exe
Token: SeDebugPrivilege	2432	656ab86811cef0901ba694e823723a42cfb3e2731e0a71830c7dd4321ac7323f.exe
Token: SeImpersonatePrivilege	2432	656ab86811cef0901ba694e823723a42cfb3e2731e0a71830c7dd4321ac7323f.exe
Token: SeDebugPrivilege	4580	powershell.exe
Token: SeDebugPrivilege	2656	powershell.exe
Token: SeDebugPrivilege	1616	powershell.exe
Token: SeDebugPrivilege	3148	powershell.exe

Suspicious use of WriteProcessMemory 25 IoCs

description	pid	Process	procid_target
PID 2432 wrote to memory of 1752	2432	656ab86811cef0901ba694e823723a42cfb3e2731e0a71830c7dd4321ac7323f.exe	98
PID 2432 wrote to memory of 1752	2432	656ab86811cef0901ba694e823723a42cfb3e2731e0a71830c7dd4321ac7323f.exe	98
PID 2432 wrote to memory of 1752	2432	656ab86811cef0901ba694e823723a42cfb3e2731e0a71830c7dd4321ac7323f.exe	98
PID 1360 wrote to memory of 4580	1360	656ab86811cef0901ba694e823723a42cfb3e2731e0a71830c7dd4321ac7323f.exe	104
PID 1360 wrote to memory of 4580	1360	656ab86811cef0901ba694e823723a42cfb3e2731e0a71830c7dd4321ac7323f.exe	104
PID 1360 wrote to memory of 4580	1360	656ab86811cef0901ba694e823723a42cfb3e2731e0a71830c7dd4321ac7323f.exe	104
PID 1360 wrote to memory of 3316	1360	656ab86811cef0901ba694e823723a42cfb3e2731e0a71830c7dd4321ac7323f.exe	106
PID 1360 wrote to memory of 3316	1360	656ab86811cef0901ba694e823723a42cfb3e2731e0a71830c7dd4321ac7323f.exe	106
PID 3316 wrote to memory of 4964	3316	cmd.exe	108
PID 3316 wrote to memory of 4964	3316	cmd.exe	108
PID 1360 wrote to memory of 3444	1360	656ab86811cef0901ba694e823723a42cfb3e2731e0a71830c7dd4321ac7323f.exe	109
PID 1360 wrote to memory of 3444	1360	656ab86811cef0901ba694e823723a42cfb3e2731e0a71830c7dd4321ac7323f.exe	109
PID 1360 wrote to memory of 3444	1360	656ab86811cef0901ba694e823723a42cfb3e2731e0a71830c7dd4321ac7323f.exe	109
PID 1360 wrote to memory of 2656	1360	656ab86811cef0901ba694e823723a42cfb3e2731e0a71830c7dd4321ac7323f.exe	111
PID 1360 wrote to memory of 2656	1360	656ab86811cef0901ba694e823723a42cfb3e2731e0a71830c7dd4321ac7323f.exe	111
PID 1360 wrote to memory of 2656	1360	656ab86811cef0901ba694e823723a42cfb3e2731e0a71830c7dd4321ac7323f.exe	111
PID 1360 wrote to memory of 3380	1360	656ab86811cef0901ba694e823723a42cfb3e2731e0a71830c7dd4321ac7323f.exe	113
PID 1360 wrote to memory of 3380	1360	656ab86811cef0901ba694e823723a42cfb3e2731e0a71830c7dd4321ac7323f.exe	113
PID 1360 wrote to memory of 3380	1360	656ab86811cef0901ba694e823723a42cfb3e2731e0a71830c7dd4321ac7323f.exe	113
PID 3380 wrote to memory of 1616	3380	csrss.exe	114
PID 3380 wrote to memory of 1616	3380	csrss.exe	114
PID 3380 wrote to memory of 1616	3380	csrss.exe	114
PID 3380 wrote to memory of 3148	3380	csrss.exe	120
PID 3380 wrote to memory of 3148	3380	csrss.exe	120
PID 3380 wrote to memory of 3148	3380	csrss.exe	120

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\656ab86811cef0901ba694e823723a42cfb3e2731e0a71830c7dd4321ac7323f.exe
"C:\Users\Admin\AppData\Local\Temp\656ab86811cef0901ba694e823723a42cfb3e2731e0a71830c7dd4321ac7323f.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2432
- 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:1752
- C:\Users\Admin\AppData\Local\Temp\656ab86811cef0901ba694e823723a42cfb3e2731e0a71830c7dd4321ac7323f.exe
  "C:\Users\Admin\AppData\Local\Temp\656ab86811cef0901ba694e823723a42cfb3e2731e0a71830c7dd4321ac7323f.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:1360
- - 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:4580
- - 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:3316
  - - 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:4964
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    powershell -nologo -noprofile
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - Modifies data under HKEY_USERS
    PID:3444
- - 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:2656
- - C:\Windows\rss\csrss.exe
    C:\Windows\rss\csrss.exe
    3⤵
    - Executes dropped EXE
    - Suspicious use of WriteProcessMemory
    PID:3380
  - - 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:1616
  - - 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:4016
  - - C:\Windows\SYSTEM32\schtasks.exe
      schtasks /delete /tn ScheduledUpdate /f
      4⤵
      PID:3400
  - - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      powershell -nologo -noprofile
      4⤵
      Command and Scripting Interpreter: PowerShell
      Modifies data under HKEY_USERS
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:3148
  - - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      powershell -nologo -noprofile
      4⤵
      Command and Scripting Interpreter: PowerShell
      PID:372

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4076 --field-trial-handle=2744,i,16362475727591565961,3676688664819797550,262144 --variations-seed-version /prefetch:8
1⤵
PID:3696

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_tssavcqt.cjp.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

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

Filesize
2KB

MD5
968cb9309758126772781b83adb8a28f

SHA1
8da30e71accf186b2ba11da1797cf67f8f78b47c

SHA256
92099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a

SHA512
4bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3

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

Filesize
19KB

MD5
6801e343c1d5524dee4289c20972fb28

SHA1
eaad8fc16af5c5e5c5d307adaa10346dabb3a337

SHA256
7b8d91663a41952d115707cbfd8b1c1a8771ac6a6a9ea48cf1a546cee36b5545

SHA512
e3767820dc15721c89d927c50c1b1bfcc031988638acc8c9c3061c31952dbc1ddb2e1e47fa11a03dba25234a674f6f5046568476d5b68c56a5cfa64aafdf8db3

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

Filesize
19KB

MD5
ccc063a7d9ac78eb24d7c4d9e2657e04

SHA1
a5e9e3de107419ed2271e0b6c8eb6b2530a2122a

SHA256
71a443b9192e43b46356b586a6a6e09a8836b5c6bed86e7995543a859446ed6b

SHA512
86e338012c14f82d190a8887f381580c24688f7a2fb3220421945baac7f8e0179c430cb0baef28610c219c3b7ec13e5320109f2b159baafe5667a848adab050b

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

Filesize
19KB

MD5
da56f1b971c1aed60f8f1ef30ccde284

SHA1
aaea2bf137146f59e697dfb65705dd7924f0532d

SHA256
4333463d04b1ce861ecf52a7efaada8e2029c7fa389d8203a113e023b302148a

SHA512
7f8156e65a34c08775f7aca98fa47b5e178d473da72331e86e69c7c770fa948bbe480f9e6bb0d536ebbc8f764e487ce8a090716875098ff40fcb22e1c6cea78f

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

Filesize
19KB

MD5
2a339af13f4c800bed50afe49adf6868

SHA1
682c8eb32f7c3be8946af67ffbdf5fab62f9012f

SHA256
e4e7f228a99254a4a627f9240cebf5623272aeebe8579f6ec9037dba939ef83c

SHA512
eb91c3c04b21200f6bf831c939abe4a04c5d3e99aa11437f3c99ebe0ded379ee9353aec25ef2a54b911ee10ccaf0cf7275423e6037f9f9cafcc6dfd397336a14

Download Submit
C:\Windows\rss\csrss.exe

Filesize
4.1MB

MD5
15bd44fd02ee654060bf8b95aa0387e3

SHA1
c2dd2b7a42c08d0760d5e3f8fd3d8b5f6d584ed7

SHA256
656ab86811cef0901ba694e823723a42cfb3e2731e0a71830c7dd4321ac7323f

SHA512
0dbf55465df79f84e96b07d1f04b39dbf86911719e2a68cd5c7e45965b31d02af80e845e9ea0ffc0c18c934c68f95ea8e9036bb947fb0f68de7c96275ac53523

Download Submit
memory/372-192-0x0000000070970000-0x0000000070CC4000-memory.dmp

Filesize
3.3MB

Download
memory/372-191-0x00000000701C0000-0x000000007020C000-memory.dmp

Filesize
304KB

Download
memory/372-188-0x0000000005690000-0x00000000059E4000-memory.dmp

Filesize
3.3MB

Download
memory/1360-121-0x0000000000400000-0x0000000002B0B000-memory.dmp

Filesize
39.0MB

Download
memory/1360-64-0x0000000000400000-0x0000000002B0B000-memory.dmp

Filesize
39.0MB

Download
memory/1360-90-0x0000000000400000-0x0000000002B0B000-memory.dmp

Filesize
39.0MB

Download
memory/1616-139-0x00000000702A0000-0x00000000702EC000-memory.dmp

Filesize
304KB

Download
memory/1616-140-0x0000000070A20000-0x0000000070D74000-memory.dmp

Filesize
3.3MB

Download
memory/1752-29-0x0000000007790000-0x0000000007806000-memory.dmp

Filesize
472KB

Download
memory/1752-7-0x0000000074400000-0x0000000074BB0000-memory.dmp

Filesize
7.7MB

Download
memory/1752-4-0x000000007440E000-0x000000007440F000-memory.dmp

Filesize
4KB

Download
memory/1752-28-0x0000000074400000-0x0000000074BB0000-memory.dmp

Filesize
7.7MB

Download
memory/1752-5-0x0000000002E70000-0x0000000002EA6000-memory.dmp

Filesize
216KB

Download
memory/1752-30-0x0000000007F00000-0x000000000857A000-memory.dmp

Filesize
6.5MB

Download
memory/1752-31-0x00000000078B0000-0x00000000078CA000-memory.dmp

Filesize
104KB

Download
memory/1752-32-0x0000000007A90000-0x0000000007AC2000-memory.dmp

Filesize
200KB

Download
memory/1752-6-0x0000000074400000-0x0000000074BB0000-memory.dmp

Filesize
7.7MB

Download
memory/1752-34-0x00000000702A0000-0x00000000702EC000-memory.dmp

Filesize
304KB

Download
memory/1752-36-0x0000000070870000-0x0000000070BC4000-memory.dmp

Filesize
3.3MB

Download
memory/1752-35-0x0000000074400000-0x0000000074BB0000-memory.dmp

Filesize
7.7MB

Download
memory/1752-46-0x0000000007A70000-0x0000000007A8E000-memory.dmp

Filesize
120KB

Download
memory/1752-47-0x0000000007AD0000-0x0000000007B73000-memory.dmp

Filesize
652KB

Download
memory/1752-48-0x0000000007BC0000-0x0000000007BCA000-memory.dmp

Filesize
40KB

Download
memory/1752-49-0x0000000007CD0000-0x0000000007D66000-memory.dmp

Filesize
600KB

Download
memory/1752-50-0x0000000007BD0000-0x0000000007BE1000-memory.dmp

Filesize
68KB

Download
memory/1752-25-0x00000000069D0000-0x0000000006A14000-memory.dmp

Filesize
272KB

Download
memory/1752-52-0x0000000007C10000-0x0000000007C1E000-memory.dmp

Filesize
56KB

Download
memory/1752-53-0x0000000007C30000-0x0000000007C44000-memory.dmp

Filesize
80KB

Download
memory/1752-54-0x0000000007C70000-0x0000000007C8A000-memory.dmp

Filesize
104KB

Download
memory/1752-55-0x0000000007C60000-0x0000000007C68000-memory.dmp

Filesize
32KB

Download
memory/1752-57-0x000000007440E000-0x000000007440F000-memory.dmp

Filesize
4KB

Download
memory/1752-8-0x0000000005760000-0x0000000005D88000-memory.dmp

Filesize
6.2MB

Download
memory/1752-60-0x0000000074400000-0x0000000074BB0000-memory.dmp

Filesize
7.7MB

Download
memory/1752-9-0x0000000005500000-0x0000000005522000-memory.dmp

Filesize
136KB

Download
memory/1752-24-0x0000000006590000-0x00000000065DC000-memory.dmp

Filesize
304KB

Download
memory/1752-11-0x00000000056A0000-0x0000000005706000-memory.dmp

Filesize
408KB

Download
memory/1752-12-0x0000000005D90000-0x0000000005DF6000-memory.dmp

Filesize
408KB

Download
memory/1752-18-0x0000000005E40000-0x0000000006194000-memory.dmp

Filesize
3.3MB

Download
memory/1752-23-0x00000000064F0000-0x000000000650E000-memory.dmp

Filesize
120KB

Download
memory/2432-10-0x0000000000400000-0x0000000002B0B000-memory.dmp

Filesize
39.0MB

Download
memory/2432-2-0x0000000004BE0000-0x00000000054CB000-memory.dmp

Filesize
8.9MB

Download
memory/2432-3-0x0000000000400000-0x0000000000D1C000-memory.dmp

Filesize
9.1MB

Download
memory/2432-27-0x00000000047D0000-0x0000000004BD1000-memory.dmp

Filesize
4.0MB

Download
memory/2432-1-0x00000000047D0000-0x0000000004BD1000-memory.dmp

Filesize
4.0MB

Download
memory/2432-33-0x0000000004BE0000-0x00000000054CB000-memory.dmp

Filesize
8.9MB

Download
memory/2432-51-0x0000000000400000-0x0000000000D1C000-memory.dmp

Filesize
9.1MB

Download
memory/2432-56-0x0000000000400000-0x0000000002B0B000-memory.dmp

Filesize
39.0MB

Download
memory/2432-62-0x0000000000400000-0x0000000002B0B000-memory.dmp

Filesize
39.0MB

Download
memory/2656-107-0x0000000070420000-0x0000000070774000-memory.dmp

Filesize
3.3MB

Download
memory/2656-103-0x0000000005E10000-0x0000000006164000-memory.dmp

Filesize
3.3MB

Download
memory/2656-106-0x00000000702A0000-0x00000000702EC000-memory.dmp

Filesize
304KB

Download
memory/3148-157-0x0000000005EA0000-0x00000000061F4000-memory.dmp

Filesize
3.3MB

Download
memory/3148-174-0x0000000007770000-0x0000000007813000-memory.dmp

Filesize
652KB

Download
memory/3148-177-0x0000000005E00000-0x0000000005E14000-memory.dmp

Filesize
80KB

Download
memory/3148-175-0x00000000078C0000-0x00000000078D1000-memory.dmp

Filesize
68KB

Download
memory/3148-162-0x0000000006730000-0x000000000677C000-memory.dmp

Filesize
304KB

Download
memory/3148-163-0x00000000701C0000-0x000000007020C000-memory.dmp

Filesize
304KB

Download
memory/3148-164-0x0000000070950000-0x0000000070CA4000-memory.dmp

Filesize
3.3MB

Download
memory/3380-138-0x0000000000400000-0x0000000002B0B000-memory.dmp

Filesize
39.0MB

Download
memory/3380-189-0x0000000000400000-0x0000000002B0B000-memory.dmp

Filesize
39.0MB

Download
memory/4580-76-0x00000000702A0000-0x00000000702EC000-memory.dmp

Filesize
304KB

Download
memory/4580-66-0x00000000056D0000-0x0000000005A24000-memory.dmp

Filesize
3.3MB

Download
memory/4580-88-0x0000000007210000-0x0000000007221000-memory.dmp

Filesize
68KB

Download
memory/4580-77-0x0000000070A20000-0x0000000070D74000-memory.dmp

Filesize
3.3MB

Download
memory/4580-87-0x0000000006F10000-0x0000000006FB3000-memory.dmp

Filesize
652KB

Download
memory/4580-89-0x0000000007280000-0x0000000007294000-memory.dmp

Filesize
80KB

Download