glupteba | 468f4991eb45abb0d480123666368d9cba1782bf7be2fe3aa2b4003fb5cd65a1

Analysis

max time kernel
145s
max time network
159s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
22-04-2024 15:44

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General

Target

468f4991eb45abb0d480123666368d9cba1782bf7be2fe3aa2b4003fb5cd65a1.exe
Size

4.2MB
MD5

8092261881613633ac7d2158ecc0376c
SHA1

5b2e5a1918b23d09277ab95808c9e3e5c35d2aba
SHA256

468f4991eb45abb0d480123666368d9cba1782bf7be2fe3aa2b4003fb5cd65a1
SHA512

52d89619a2249b47c32f3a088deb9d0b7dccd683bc1d4ff401b64cd076d550d93eb75826e2380518d6112b28fd6fa4c1dd534a774c718d19551b301ea42526ab
SSDEEP

98304:bTr4Zn8ckauLMze8fecNCAwNuLlsIJhS7wxsR8XPBW1bLJsbUO:bgxwLwefOwIiIbSY4wJWbLObt

Score

10^/10

glupteba discovery dropper evasion loader persistence

Malware Config

Signatures

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

Glupteba payload 13 IoCs

resource	yara_rule
behavioral1/memory/4284-2-0x0000000005040000-0x000000000592B000-memory.dmp	family_glupteba
behavioral1/memory/4284-3-0x0000000000400000-0x0000000003009000-memory.dmp	family_glupteba
behavioral1/memory/4284-4-0x0000000000400000-0x0000000003009000-memory.dmp	family_glupteba
behavioral1/memory/4284-30-0x0000000000400000-0x0000000003009000-memory.dmp	family_glupteba
behavioral1/memory/4284-33-0x0000000005040000-0x000000000592B000-memory.dmp	family_glupteba
behavioral1/memory/4284-59-0x0000000000400000-0x0000000003009000-memory.dmp	family_glupteba
behavioral1/memory/3164-64-0x0000000000400000-0x0000000003009000-memory.dmp	family_glupteba
behavioral1/memory/3164-92-0x0000000000400000-0x0000000003009000-memory.dmp	family_glupteba
behavioral1/memory/3164-128-0x0000000000400000-0x0000000003009000-memory.dmp	family_glupteba
behavioral1/memory/3164-139-0x0000000000400000-0x0000000003009000-memory.dmp	family_glupteba
behavioral1/memory/3164-165-0x0000000000400000-0x0000000003009000-memory.dmp	family_glupteba
behavioral1/memory/4224-200-0x0000000000400000-0x0000000003009000-memory.dmp	family_glupteba
behavioral1/memory/4224-237-0x0000000000400000-0x0000000003009000-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
400	netsh.exe

Executes dropped EXE 1 IoCs

pid	Process
4224	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\""	468f4991eb45abb0d480123666368d9cba1782bf7be2fe3aa2b4003fb5cd65a1.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 6 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive	powershell.exe
File created	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log	powershell.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive	powershell.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive	powershell.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive	powershell.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive	powershell.exe

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	468f4991eb45abb0d480123666368d9cba1782bf7be2fe3aa2b4003fb5cd65a1.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\rss	468f4991eb45abb0d480123666368d9cba1782bf7be2fe3aa2b4003fb5cd65a1.exe
File created	C:\Windows\rss\csrss.exe	468f4991eb45abb0d480123666368d9cba1782bf7be2fe3aa2b4003fb5cd65a1.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
2732	schtasks.exe

Modifies data under HKEY_USERS 64 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-842 = "Argentina Standard Time"	468f4991eb45abb0d480123666368d9cba1782bf7be2fe3aa2b4003fb5cd65a1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2341 = "Haiti Daylight Time"	468f4991eb45abb0d480123666368d9cba1782bf7be2fe3aa2b4003fb5cd65a1.exe
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\AutoDetect = "0"	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2492 = "Aus Central W. Standard Time"	468f4991eb45abb0d480123666368d9cba1782bf7be2fe3aa2b4003fb5cd65a1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-12 = "Azores Standard Time"	468f4991eb45abb0d480123666368d9cba1782bf7be2fe3aa2b4003fb5cd65a1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2892 = "Sudan Standard Time"	468f4991eb45abb0d480123666368d9cba1782bf7be2fe3aa2b4003fb5cd65a1.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2392 = "Aleutian Standard Time"	468f4991eb45abb0d480123666368d9cba1782bf7be2fe3aa2b4003fb5cd65a1.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2491 = "Aus Central W. Daylight Time"	468f4991eb45abb0d480123666368d9cba1782bf7be2fe3aa2b4003fb5cd65a1.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1412 = "Syria Standard Time"	468f4991eb45abb0d480123666368d9cba1782bf7be2fe3aa2b4003fb5cd65a1.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates	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,-2162 = "Altai Standard Time"	468f4991eb45abb0d480123666368d9cba1782bf7be2fe3aa2b4003fb5cd65a1.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs	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,-602 = "Taipei Standard Time"	468f4991eb45abb0d480123666368d9cba1782bf7be2fe3aa2b4003fb5cd65a1.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs	powershell.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-371 = "Jerusalem Daylight Time"	468f4991eb45abb0d480123666368d9cba1782bf7be2fe3aa2b4003fb5cd65a1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-502 = "Nepal Standard Time"	468f4991eb45abb0d480123666368d9cba1782bf7be2fe3aa2b4003fb5cd65a1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-791 = "SA Western Daylight Time"	468f4991eb45abb0d480123666368d9cba1782bf7be2fe3aa2b4003fb5cd65a1.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-161 = "Central Daylight Time"	468f4991eb45abb0d480123666368d9cba1782bf7be2fe3aa2b4003fb5cd65a1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-771 = "Montevideo Daylight Time"	468f4991eb45abb0d480123666368d9cba1782bf7be2fe3aa2b4003fb5cd65a1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-962 = "Paraguay Standard Time"	468f4991eb45abb0d480123666368d9cba1782bf7be2fe3aa2b4003fb5cd65a1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-592 = "Malay Peninsula Standard Time"	468f4991eb45abb0d480123666368d9cba1782bf7be2fe3aa2b4003fb5cd65a1.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-331 = "E. Europe Daylight Time"	468f4991eb45abb0d480123666368d9cba1782bf7be2fe3aa2b4003fb5cd65a1.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2161 = "Altai Daylight Time"	468f4991eb45abb0d480123666368d9cba1782bf7be2fe3aa2b4003fb5cd65a1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2451 = "Saint Pierre Daylight Time"	468f4991eb45abb0d480123666368d9cba1782bf7be2fe3aa2b4003fb5cd65a1.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates	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\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-412 = "E. Africa Standard Time"	468f4991eb45abb0d480123666368d9cba1782bf7be2fe3aa2b4003fb5cd65a1.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-162 = "Central Standard Time"	468f4991eb45abb0d480123666368d9cba1782bf7be2fe3aa2b4003fb5cd65a1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-385 = "Namibia Standard Time"	468f4991eb45abb0d480123666368d9cba1782bf7be2fe3aa2b4003fb5cd65a1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-92 = "Pacific SA Standard Time"	468f4991eb45abb0d480123666368d9cba1782bf7be2fe3aa2b4003fb5cd65a1.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\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\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-681 = "E. Australia Daylight Time"	468f4991eb45abb0d480123666368d9cba1782bf7be2fe3aa2b4003fb5cd65a1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-692 = "Tasmania Standard Time"	468f4991eb45abb0d480123666368d9cba1782bf7be2fe3aa2b4003fb5cd65a1.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs	powershell.exe

Suspicious behavior: EnumeratesProcesses 29 IoCs

pid	Process
2744	powershell.exe
2744	powershell.exe
4284	468f4991eb45abb0d480123666368d9cba1782bf7be2fe3aa2b4003fb5cd65a1.exe
4284	468f4991eb45abb0d480123666368d9cba1782bf7be2fe3aa2b4003fb5cd65a1.exe
4272	powershell.exe
4272	powershell.exe
4272	powershell.exe
3164	468f4991eb45abb0d480123666368d9cba1782bf7be2fe3aa2b4003fb5cd65a1.exe
3164	468f4991eb45abb0d480123666368d9cba1782bf7be2fe3aa2b4003fb5cd65a1.exe
3164	468f4991eb45abb0d480123666368d9cba1782bf7be2fe3aa2b4003fb5cd65a1.exe
3164	468f4991eb45abb0d480123666368d9cba1782bf7be2fe3aa2b4003fb5cd65a1.exe
3164	468f4991eb45abb0d480123666368d9cba1782bf7be2fe3aa2b4003fb5cd65a1.exe
3164	468f4991eb45abb0d480123666368d9cba1782bf7be2fe3aa2b4003fb5cd65a1.exe
3164	468f4991eb45abb0d480123666368d9cba1782bf7be2fe3aa2b4003fb5cd65a1.exe
3164	468f4991eb45abb0d480123666368d9cba1782bf7be2fe3aa2b4003fb5cd65a1.exe
3164	468f4991eb45abb0d480123666368d9cba1782bf7be2fe3aa2b4003fb5cd65a1.exe
3164	468f4991eb45abb0d480123666368d9cba1782bf7be2fe3aa2b4003fb5cd65a1.exe
4332	powershell.exe
4332	powershell.exe
4332	powershell.exe
5032	powershell.exe
5032	powershell.exe
5032	powershell.exe
3820	powershell.exe
3820	powershell.exe
3980	powershell.exe
3980	powershell.exe
3840	powershell.exe
3840	powershell.exe

Suspicious use of AdjustPrivilegeToken 9 IoCs

description	pid	Process
Token: SeDebugPrivilege	2744	powershell.exe
Token: SeDebugPrivilege	4284	468f4991eb45abb0d480123666368d9cba1782bf7be2fe3aa2b4003fb5cd65a1.exe
Token: SeImpersonatePrivilege	4284	468f4991eb45abb0d480123666368d9cba1782bf7be2fe3aa2b4003fb5cd65a1.exe
Token: SeDebugPrivilege	4272	powershell.exe
Token: SeDebugPrivilege	4332	powershell.exe
Token: SeDebugPrivilege	5032	powershell.exe
Token: SeDebugPrivilege	3820	powershell.exe
Token: SeDebugPrivilege	3980	powershell.exe
Token: SeDebugPrivilege	3840	powershell.exe

Suspicious use of WriteProcessMemory 28 IoCs

description	pid	Process	procid_target
PID 4284 wrote to memory of 2744	4284	468f4991eb45abb0d480123666368d9cba1782bf7be2fe3aa2b4003fb5cd65a1.exe	91
PID 4284 wrote to memory of 2744	4284	468f4991eb45abb0d480123666368d9cba1782bf7be2fe3aa2b4003fb5cd65a1.exe	91
PID 4284 wrote to memory of 2744	4284	468f4991eb45abb0d480123666368d9cba1782bf7be2fe3aa2b4003fb5cd65a1.exe	91
PID 3164 wrote to memory of 4272	3164	468f4991eb45abb0d480123666368d9cba1782bf7be2fe3aa2b4003fb5cd65a1.exe	103
PID 3164 wrote to memory of 4272	3164	468f4991eb45abb0d480123666368d9cba1782bf7be2fe3aa2b4003fb5cd65a1.exe	103
PID 3164 wrote to memory of 4272	3164	468f4991eb45abb0d480123666368d9cba1782bf7be2fe3aa2b4003fb5cd65a1.exe	103
PID 3164 wrote to memory of 4400	3164	468f4991eb45abb0d480123666368d9cba1782bf7be2fe3aa2b4003fb5cd65a1.exe	105
PID 3164 wrote to memory of 4400	3164	468f4991eb45abb0d480123666368d9cba1782bf7be2fe3aa2b4003fb5cd65a1.exe	105
PID 4400 wrote to memory of 400	4400	cmd.exe	107
PID 4400 wrote to memory of 400	4400	cmd.exe	107
PID 3164 wrote to memory of 4332	3164	468f4991eb45abb0d480123666368d9cba1782bf7be2fe3aa2b4003fb5cd65a1.exe	108
PID 3164 wrote to memory of 4332	3164	468f4991eb45abb0d480123666368d9cba1782bf7be2fe3aa2b4003fb5cd65a1.exe	108
PID 3164 wrote to memory of 4332	3164	468f4991eb45abb0d480123666368d9cba1782bf7be2fe3aa2b4003fb5cd65a1.exe	108
PID 3164 wrote to memory of 5032	3164	468f4991eb45abb0d480123666368d9cba1782bf7be2fe3aa2b4003fb5cd65a1.exe	110
PID 3164 wrote to memory of 5032	3164	468f4991eb45abb0d480123666368d9cba1782bf7be2fe3aa2b4003fb5cd65a1.exe	110
PID 3164 wrote to memory of 5032	3164	468f4991eb45abb0d480123666368d9cba1782bf7be2fe3aa2b4003fb5cd65a1.exe	110
PID 3164 wrote to memory of 4224	3164	468f4991eb45abb0d480123666368d9cba1782bf7be2fe3aa2b4003fb5cd65a1.exe	112
PID 3164 wrote to memory of 4224	3164	468f4991eb45abb0d480123666368d9cba1782bf7be2fe3aa2b4003fb5cd65a1.exe	112
PID 3164 wrote to memory of 4224	3164	468f4991eb45abb0d480123666368d9cba1782bf7be2fe3aa2b4003fb5cd65a1.exe	112
PID 4224 wrote to memory of 3820	4224	csrss.exe	113
PID 4224 wrote to memory of 3820	4224	csrss.exe	113
PID 4224 wrote to memory of 3820	4224	csrss.exe	113
PID 4224 wrote to memory of 3980	4224	csrss.exe	119
PID 4224 wrote to memory of 3980	4224	csrss.exe	119
PID 4224 wrote to memory of 3980	4224	csrss.exe	119
PID 4224 wrote to memory of 3840	4224	csrss.exe	121
PID 4224 wrote to memory of 3840	4224	csrss.exe	121
PID 4224 wrote to memory of 3840	4224	csrss.exe	121

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\468f4991eb45abb0d480123666368d9cba1782bf7be2fe3aa2b4003fb5cd65a1.exe
"C:\Users\Admin\AppData\Local\Temp\468f4991eb45abb0d480123666368d9cba1782bf7be2fe3aa2b4003fb5cd65a1.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4284
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  powershell -nologo -noprofile
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2744
- C:\Users\Admin\AppData\Local\Temp\468f4991eb45abb0d480123666368d9cba1782bf7be2fe3aa2b4003fb5cd65a1.exe
  "C:\Users\Admin\AppData\Local\Temp\468f4991eb45abb0d480123666368d9cba1782bf7be2fe3aa2b4003fb5cd65a1.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:3164
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    powershell -nologo -noprofile
    3⤵
    - Drops file in System32 directory
    - Modifies data under HKEY_USERS
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:4272
- - 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:4400
  - - 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:400
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    powershell -nologo -noprofile
    3⤵
    - Drops file in System32 directory
    - Modifies data under HKEY_USERS
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:4332
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    powershell -nologo -noprofile
    3⤵
    - Drops file in System32 directory
    - Modifies data under HKEY_USERS
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:5032
- - C:\Windows\rss\csrss.exe
    C:\Windows\rss\csrss.exe
    3⤵
    - Executes dropped EXE
    - Suspicious use of WriteProcessMemory
    PID:4224
  - - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      powershell -nologo -noprofile
      4⤵
      Drops file in System32 directory
      Modifies data under HKEY_USERS
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:3820
  - - 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:2732
  - - C:\Windows\SYSTEM32\schtasks.exe
      schtasks /delete /tn ScheduledUpdate /f
      4⤵
      PID:3880
  - - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      powershell -nologo -noprofile
      4⤵
      Drops file in System32 directory
      Modifies data under HKEY_USERS
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:3980
  - - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      powershell -nologo -noprofile
      4⤵
      Modifies data under HKEY_USERS
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:3840
  - - 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⤵
      PID:1520

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=3768 --field-trial-handle=3088,i,14310325015283915034,7660943942870463106,262144 --variations-seed-version /prefetch:8
1⤵
PID:3940

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Scheduled Task/Job

T1053

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Scheduled Task/Job

T1053

Defense Evasion

Impair Defenses

T1562

Disable or Modify System Firewall

T1562.004

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_dhsdixgr.l5f.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\csrss\injector\injector.exe

Filesize
281KB

MD5
d98e33b66343e7c96158444127a117f6

SHA1
bb716c5509a2bf345c6c1152f6e3e1452d39d50d

SHA256
5de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1

SHA512
705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5

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
dbc694d9a0d8b0ee50f6509b03c7e26e

SHA1
f394bbb73f0ccb4ea6ba2e440ab293857c6805e5

SHA256
6768eb1d0116b42f4c59cdba09310cc4ef3f1ee7740b687694ea5582c9d65313

SHA512
5ff47af429bec93c01e91940161a5334c29e1fa64805da99b0e8aa9a3c61149d2a15a7b707ee76e68e3b759f746f42e1559a7359829f023c180e6d6b183f53b2

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

Filesize
19KB

MD5
aabd452f20e8e5243a638596546eef7b

SHA1
44287c7f3c8147ae3046b69d11298c63b59fbf1d

SHA256
c4cf94bd5ad6cc72e30534d1b29928e5c90338f5d26fcdc6d9930a05b7cb44e1

SHA512
01adb05d422f185509542a47fac2ef83bcf8f8c2af95282bffcfa0947bd706819dec5b4727c9af33cd914f88510a8d2fcfcf56c578abc0df726b47e68a1b818d

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

Filesize
19KB

MD5
380a7c66cad4361728a145f108fc74ea

SHA1
b24148e111e7bcf4259d2ce72f024b5e9a75fbf0

SHA256
6318b8da3922b89e9f90f7cd6eb7afe2428f49f55fa29d3b59eb2d3204387b4f

SHA512
9d813dea5edd1906af98deda71461a0ced56f1212240f148e38ff8ebad49ae564b353275cb96aaf363edf1bd67010e141484d6b93c738b10d075f3a8b498c562

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

Filesize
19KB

MD5
6bb736b46c22d7505b2c995cf785f840

SHA1
5439edfb8716af8c8b4f0d80c3698b243f5cb433

SHA256
a7ae9501cf2b480ec15020dc66b76a46efd14f517dfc1bb705819697e04f28db

SHA512
211b73d59ae91525762df41568814da33e47144a471e3e113008e6a9ba7de802b03c34be8abb24d59e75e4ca49d050c864ab8fc69c69b3a2996179f1b0512b76

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

Filesize
19KB

MD5
6abccbbb475de913747b6612558b11ea

SHA1
7164dd2c50a41e144eeb0b2aafe7304575370808

SHA256
b6822bb66b2ce51855c8906099ddbddb10fd6a2fbf0aae033a3ee54eaf6c6459

SHA512
b4007e49a57be78c9fa961389d512a17d5764f95090be243bfc5dfb88d4a7cf8011d1845a5152a4e57de413c6ab676ddedd8170f8157c5d997c781ce292f9345

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

Filesize
4.2MB

MD5
8092261881613633ac7d2158ecc0376c

SHA1
5b2e5a1918b23d09277ab95808c9e3e5c35d2aba

SHA256
468f4991eb45abb0d480123666368d9cba1782bf7be2fe3aa2b4003fb5cd65a1

SHA512
52d89619a2249b47c32f3a088deb9d0b7dccd683bc1d4ff401b64cd076d550d93eb75826e2380518d6112b28fd6fa4c1dd534a774c718d19551b301ea42526ab

Download Submit
memory/2744-22-0x0000000006080000-0x00000000063D4000-memory.dmp

Filesize
3.3MB

Download
memory/2744-34-0x000000007F760000-0x000000007F770000-memory.dmp

Filesize
64KB

Download
memory/2744-24-0x0000000006780000-0x00000000067CC000-memory.dmp

Filesize
304KB

Download
memory/2744-25-0x0000000006BB0000-0x0000000006BF4000-memory.dmp

Filesize
272KB

Download
memory/2744-26-0x0000000005260000-0x0000000005270000-memory.dmp

Filesize
64KB

Download
memory/2744-27-0x00000000079E0000-0x0000000007A56000-memory.dmp

Filesize
472KB

Download
memory/2744-28-0x00000000080F0000-0x000000000876A000-memory.dmp

Filesize
6.5MB

Download
memory/2744-29-0x0000000007AA0000-0x0000000007ABA000-memory.dmp

Filesize
104KB

Download
memory/2744-12-0x0000000005ED0000-0x0000000005F36000-memory.dmp

Filesize
408KB

Download
memory/2744-11-0x0000000005810000-0x0000000005876000-memory.dmp

Filesize
408KB

Download
memory/2744-10-0x0000000005660000-0x0000000005682000-memory.dmp

Filesize
136KB

Download
memory/2744-9-0x00000000058A0000-0x0000000005EC8000-memory.dmp

Filesize
6.2MB

Download
memory/2744-8-0x0000000005260000-0x0000000005270000-memory.dmp

Filesize
64KB

Download
memory/2744-7-0x0000000003060000-0x0000000003096000-memory.dmp

Filesize
216KB

Download
memory/2744-6-0x0000000005260000-0x0000000005270000-memory.dmp

Filesize
64KB

Download
memory/2744-23-0x00000000066D0000-0x00000000066EE000-memory.dmp

Filesize
120KB

Download
memory/2744-32-0x0000000007C80000-0x0000000007CB2000-memory.dmp

Filesize
200KB

Download
memory/2744-35-0x00000000705A0000-0x00000000705EC000-memory.dmp

Filesize
304KB

Download
memory/2744-36-0x0000000070740000-0x0000000070A94000-memory.dmp

Filesize
3.3MB

Download
memory/2744-46-0x0000000007C60000-0x0000000007C7E000-memory.dmp

Filesize
120KB

Download
memory/2744-47-0x0000000007CC0000-0x0000000007D63000-memory.dmp

Filesize
652KB

Download
memory/2744-48-0x0000000007DB0000-0x0000000007DBA000-memory.dmp

Filesize
40KB

Download
memory/2744-49-0x0000000007E70000-0x0000000007F06000-memory.dmp

Filesize
600KB

Download
memory/2744-50-0x0000000007DD0000-0x0000000007DE1000-memory.dmp

Filesize
68KB

Download
memory/2744-51-0x0000000007E10000-0x0000000007E1E000-memory.dmp

Filesize
56KB

Download
memory/2744-52-0x0000000007E20000-0x0000000007E34000-memory.dmp

Filesize
80KB

Download
memory/2744-53-0x0000000007F10000-0x0000000007F2A000-memory.dmp

Filesize
104KB

Download
memory/2744-54-0x0000000007E50000-0x0000000007E58000-memory.dmp

Filesize
32KB

Download
memory/2744-57-0x0000000074700000-0x0000000074EB0000-memory.dmp

Filesize
7.7MB

Download
memory/2744-5-0x0000000074700000-0x0000000074EB0000-memory.dmp

Filesize
7.7MB

Download
memory/3164-64-0x0000000000400000-0x0000000003009000-memory.dmp

Filesize
44.0MB

Download
memory/3164-92-0x0000000000400000-0x0000000003009000-memory.dmp

Filesize
44.0MB

Download
memory/3164-139-0x0000000000400000-0x0000000003009000-memory.dmp

Filesize
44.0MB

Download
memory/3164-63-0x00000000035E0000-0x00000000039DD000-memory.dmp

Filesize
4.0MB

Download
memory/3164-101-0x00000000035E0000-0x00000000039DD000-memory.dmp

Filesize
4.0MB

Download
memory/3164-128-0x0000000000400000-0x0000000003009000-memory.dmp

Filesize
44.0MB

Download
memory/3164-165-0x0000000000400000-0x0000000003009000-memory.dmp

Filesize
44.0MB

Download
memory/4224-200-0x0000000000400000-0x0000000003009000-memory.dmp

Filesize
44.0MB

Download
memory/4224-237-0x0000000000400000-0x0000000003009000-memory.dmp

Filesize
44.0MB

Download
memory/4224-275-0x0000000000400000-0x0000000003009000-memory.dmp

Filesize
44.0MB

Download
memory/4272-77-0x00000000051B0000-0x00000000051C0000-memory.dmp

Filesize
64KB

Download
memory/4272-91-0x0000000007BD0000-0x0000000007BE4000-memory.dmp

Filesize
80KB

Download
memory/4272-95-0x0000000074700000-0x0000000074EB0000-memory.dmp

Filesize
7.7MB

Download
memory/4272-90-0x0000000007B80000-0x0000000007B91000-memory.dmp

Filesize
68KB

Download
memory/4272-89-0x0000000007860000-0x0000000007903000-memory.dmp

Filesize
652KB

Download
memory/4272-79-0x0000000070D20000-0x0000000071074000-memory.dmp

Filesize
3.3MB

Download
memory/4272-78-0x00000000705A0000-0x00000000705EC000-memory.dmp

Filesize
304KB

Download
memory/4272-76-0x0000000006030000-0x0000000006384000-memory.dmp

Filesize
3.3MB

Download
memory/4272-66-0x00000000051B0000-0x00000000051C0000-memory.dmp

Filesize
64KB

Download
memory/4272-65-0x0000000074700000-0x0000000074EB0000-memory.dmp

Filesize
7.7MB

Download
memory/4284-31-0x00000000034A0000-0x00000000038A0000-memory.dmp

Filesize
4.0MB

Download
memory/4284-30-0x0000000000400000-0x0000000003009000-memory.dmp

Filesize
44.0MB

Download
memory/4284-59-0x0000000000400000-0x0000000003009000-memory.dmp

Filesize
44.0MB

Download
memory/4284-1-0x00000000034A0000-0x00000000038A0000-memory.dmp

Filesize
4.0MB

Download
memory/4284-2-0x0000000005040000-0x000000000592B000-memory.dmp

Filesize
8.9MB

Download
memory/4284-3-0x0000000000400000-0x0000000003009000-memory.dmp

Filesize
44.0MB

Download
memory/4284-4-0x0000000000400000-0x0000000003009000-memory.dmp

Filesize
44.0MB

Download
memory/4284-33-0x0000000005040000-0x000000000592B000-memory.dmp

Filesize
8.9MB

Download
memory/4332-112-0x00000000058F0000-0x0000000005C44000-memory.dmp

Filesize
3.3MB

Download
memory/4332-113-0x00000000026C0000-0x00000000026D0000-memory.dmp

Filesize
64KB

Download
memory/4332-115-0x000000007EE50000-0x000000007EE60000-memory.dmp

Filesize
64KB

Download
memory/4332-114-0x00000000705A0000-0x00000000705EC000-memory.dmp

Filesize
304KB

Download
memory/4332-116-0x0000000070720000-0x0000000070A74000-memory.dmp

Filesize
3.3MB

Download
memory/4332-127-0x0000000074700000-0x0000000074EB0000-memory.dmp

Filesize
7.7MB

Download
memory/4332-100-0x00000000026C0000-0x00000000026D0000-memory.dmp

Filesize
64KB

Download
memory/4332-99-0x00000000026C0000-0x00000000026D0000-memory.dmp

Filesize
64KB

Download
memory/4332-98-0x0000000074700000-0x0000000074EB0000-memory.dmp

Filesize
7.7MB

Download
memory/5032-129-0x0000000005F60000-0x00000000062B4000-memory.dmp

Filesize
3.3MB

Download
memory/5032-143-0x0000000005060000-0x0000000005070000-memory.dmp

Filesize
64KB

Download
memory/5032-140-0x0000000074700000-0x0000000074EB0000-memory.dmp

Filesize
7.7MB

Download
memory/5032-146-0x00000000705A0000-0x00000000705EC000-memory.dmp

Filesize
304KB

Download
memory/5032-145-0x0000000005060000-0x0000000005070000-memory.dmp

Filesize
64KB

Download
memory/5032-142-0x0000000005060000-0x0000000005070000-memory.dmp

Filesize
64KB

Download