glupteba | 24ce1558c06ac29acaca9b8294ec91f231f05834aafe6139e195b0f65c2a91f1

Analysis

max time kernel
26s
max time network
22s
platform
windows11-21h2_x64
resource
win11-20240412-en
resource tags

arch:x64arch:x86image:win11-20240412-enlocale:en-usos:windows11-21h2-x64system
submitted
19-04-2024 14:06

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General

Target

24ce1558c06ac29acaca9b8294ec91f231f05834aafe6139e195b0f65c2a91f1.exe
Size

4.2MB
MD5

db2f86f571ecd23acdff760266048eb2
SHA1

20d81819908f0e38b41c8070fd2b301e4524420c
SHA256

24ce1558c06ac29acaca9b8294ec91f231f05834aafe6139e195b0f65c2a91f1
SHA512

0b55c35492c38a7815aa805c5e660f67fc085681f6068a2449a0d005171a9db60c29af08d71f209bdea5765919be2ea826c5d38edcc02104d6aebd05e2f78ee5
SSDEEP

98304:zu15A1GiNRFuKfVvdEh8/k6ld6teGU//blllQO5EUt0+BFZRUpdVYd:zaARFuKJWhQkavn//blllQdNaFDGXu

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 7 IoCs

Processes:

resource	yara_rule
behavioral2/memory/3616-2-0x0000000004040000-0x000000000492B000-memory.dmp	family_glupteba
behavioral2/memory/3616-3-0x0000000000400000-0x0000000001DFD000-memory.dmp	family_glupteba
behavioral2/memory/2760-52-0x0000000003F10000-0x00000000047FB000-memory.dmp	family_glupteba
behavioral2/memory/2760-54-0x0000000000400000-0x0000000001DFD000-memory.dmp	family_glupteba
behavioral2/memory/3616-67-0x0000000000400000-0x0000000001DFD000-memory.dmp	family_glupteba
behavioral2/memory/2760-175-0x0000000000400000-0x0000000001DFD000-memory.dmp	family_glupteba
behavioral2/memory/1000-242-0x0000000000400000-0x0000000001DFD000-memory.dmp	family_glupteba

Modifies Windows Firewall 2 TTPs 1 IoCs
evasion

Windows Service
T1543.003

Disable or Modify System Firewall
T1562.004

Processes:

netsh.exe

pid process

4108 netsh.exe
Executes dropped EXE 2 IoCs

Processes:

csrss.exeinjector.exe

pid process

1000 csrss.exe
4200 injector.exe

pid	process
4108	netsh.exe

pid	process
1000	csrss.exe
4200	injector.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

24ce1558c06ac29acaca9b8294ec91f231f05834aafe6139e195b0f65c2a91f1.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3263309122-2820180308-3568046652-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\""	24ce1558c06ac29acaca9b8294ec91f231f05834aafe6139e195b0f65c2a91f1.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

Processes:

powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exe

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

Processes:

24ce1558c06ac29acaca9b8294ec91f231f05834aafe6139e195b0f65c2a91f1.exe

description ioc process

File opened (read-only) \??\VBoxMiniRdrDN 24ce1558c06ac29acaca9b8294ec91f231f05834aafe6139e195b0f65c2a91f1.exe

description	ioc	process
File opened (read-only)	\??\VBoxMiniRdrDN	24ce1558c06ac29acaca9b8294ec91f231f05834aafe6139e195b0f65c2a91f1.exe

Drops file in Windows directory 2 IoCs

Processes:

24ce1558c06ac29acaca9b8294ec91f231f05834aafe6139e195b0f65c2a91f1.exe

description	ioc	process
File opened for modification	C:\Windows\rss	24ce1558c06ac29acaca9b8294ec91f231f05834aafe6139e195b0f65c2a91f1.exe
File created	C:\Windows\rss\csrss.exe	24ce1558c06ac29acaca9b8294ec91f231f05834aafe6139e195b0f65c2a91f1.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

Processes:

schtasks.exe

pid process

4856 schtasks.exe

pid	process
4856	schtasks.exe

Modifies data under HKEY_USERS 64 IoCs

Processes:

24ce1558c06ac29acaca9b8294ec91f231f05834aafe6139e195b0f65c2a91f1.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1892 = "Russia TZ 3 Standard Time"	24ce1558c06ac29acaca9b8294ec91f231f05834aafe6139e195b0f65c2a91f1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-381 = "South Africa Daylight Time"	24ce1558c06ac29acaca9b8294ec91f231f05834aafe6139e195b0f65c2a91f1.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-511 = "Central Asia Daylight Time"	24ce1558c06ac29acaca9b8294ec91f231f05834aafe6139e195b0f65c2a91f1.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2002 = "Cabo Verde Standard Time"	24ce1558c06ac29acaca9b8294ec91f231f05834aafe6139e195b0f65c2a91f1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-751 = "Tonga Daylight Time"	24ce1558c06ac29acaca9b8294ec91f231f05834aafe6139e195b0f65c2a91f1.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\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-201 = "US Mountain Daylight Time"	24ce1558c06ac29acaca9b8294ec91f231f05834aafe6139e195b0f65c2a91f1.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2631 = "Norfolk Daylight Time"	24ce1558c06ac29acaca9b8294ec91f231f05834aafe6139e195b0f65c2a91f1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2451 = "Saint Pierre Daylight Time"	24ce1558c06ac29acaca9b8294ec91f231f05834aafe6139e195b0f65c2a91f1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-382 = "South Africa Standard Time"	24ce1558c06ac29acaca9b8294ec91f231f05834aafe6139e195b0f65c2a91f1.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2391 = "Aleutian Daylight Time"	24ce1558c06ac29acaca9b8294ec91f231f05834aafe6139e195b0f65c2a91f1.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\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\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2342 = "Haiti Standard Time"	24ce1558c06ac29acaca9b8294ec91f231f05834aafe6139e195b0f65c2a91f1.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\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\trust\CRLs	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\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-104 = "Central Brazilian Daylight Time"	24ce1558c06ac29acaca9b8294ec91f231f05834aafe6139e195b0f65c2a91f1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2512 = "Lord Howe Standard Time"	24ce1558c06ac29acaca9b8294ec91f231f05834aafe6139e195b0f65c2a91f1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-591 = "Malay Peninsula Daylight Time"	24ce1558c06ac29acaca9b8294ec91f231f05834aafe6139e195b0f65c2a91f1.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1841 = "Russia TZ 4 Daylight Time"	24ce1558c06ac29acaca9b8294ec91f231f05834aafe6139e195b0f65c2a91f1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2891 = "Sudan Daylight Time"	24ce1558c06ac29acaca9b8294ec91f231f05834aafe6139e195b0f65c2a91f1.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs	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\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-362 = "GTB Standard Time"	24ce1558c06ac29acaca9b8294ec91f231f05834aafe6139e195b0f65c2a91f1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1471 = "Magadan Daylight Time"	24ce1558c06ac29acaca9b8294ec91f231f05834aafe6139e195b0f65c2a91f1.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust	powershell.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs	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\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2491 = "Aus Central W. Daylight Time"	24ce1558c06ac29acaca9b8294ec91f231f05834aafe6139e195b0f65c2a91f1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2372 = "Easter Island Standard Time"	24ce1558c06ac29acaca9b8294ec91f231f05834aafe6139e195b0f65c2a91f1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1501 = "Turkey Daylight Time"	24ce1558c06ac29acaca9b8294ec91f231f05834aafe6139e195b0f65c2a91f1.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-31 = "Mid-Atlantic Daylight Time"	24ce1558c06ac29acaca9b8294ec91f231f05834aafe6139e195b0f65c2a91f1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-771 = "Montevideo Daylight Time"	24ce1558c06ac29acaca9b8294ec91f231f05834aafe6139e195b0f65c2a91f1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-191 = "Mountain Daylight Time"	24ce1558c06ac29acaca9b8294ec91f231f05834aafe6139e195b0f65c2a91f1.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs	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\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-841 = "Argentina Daylight Time"	24ce1558c06ac29acaca9b8294ec91f231f05834aafe6139e195b0f65c2a91f1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-541 = "Myanmar Daylight Time"	24ce1558c06ac29acaca9b8294ec91f231f05834aafe6139e195b0f65c2a91f1.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot	powershell.exe

Suspicious behavior: EnumeratesProcesses 32 IoCs

Processes:

powershell.exe24ce1558c06ac29acaca9b8294ec91f231f05834aafe6139e195b0f65c2a91f1.exepowershell.exe24ce1558c06ac29acaca9b8294ec91f231f05834aafe6139e195b0f65c2a91f1.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exeinjector.exe

pid	process
1824	powershell.exe
1824	powershell.exe
3616	24ce1558c06ac29acaca9b8294ec91f231f05834aafe6139e195b0f65c2a91f1.exe
3616	24ce1558c06ac29acaca9b8294ec91f231f05834aafe6139e195b0f65c2a91f1.exe
2544	powershell.exe
2544	powershell.exe
2760	24ce1558c06ac29acaca9b8294ec91f231f05834aafe6139e195b0f65c2a91f1.exe
2760	24ce1558c06ac29acaca9b8294ec91f231f05834aafe6139e195b0f65c2a91f1.exe
2760	24ce1558c06ac29acaca9b8294ec91f231f05834aafe6139e195b0f65c2a91f1.exe
2760	24ce1558c06ac29acaca9b8294ec91f231f05834aafe6139e195b0f65c2a91f1.exe
2760	24ce1558c06ac29acaca9b8294ec91f231f05834aafe6139e195b0f65c2a91f1.exe
2760	24ce1558c06ac29acaca9b8294ec91f231f05834aafe6139e195b0f65c2a91f1.exe
2760	24ce1558c06ac29acaca9b8294ec91f231f05834aafe6139e195b0f65c2a91f1.exe
2760	24ce1558c06ac29acaca9b8294ec91f231f05834aafe6139e195b0f65c2a91f1.exe
2760	24ce1558c06ac29acaca9b8294ec91f231f05834aafe6139e195b0f65c2a91f1.exe
2760	24ce1558c06ac29acaca9b8294ec91f231f05834aafe6139e195b0f65c2a91f1.exe
3928	powershell.exe
3928	powershell.exe
3568	powershell.exe
3568	powershell.exe
2812	powershell.exe
2812	powershell.exe
3128	powershell.exe
3128	powershell.exe
4216	powershell.exe
4216	powershell.exe
4200	injector.exe
4200	injector.exe
4200	injector.exe
4200	injector.exe
4200	injector.exe
4200	injector.exe

Suspicious use of AdjustPrivilegeToken 10 IoCs

Processes:

powershell.exe24ce1558c06ac29acaca9b8294ec91f231f05834aafe6139e195b0f65c2a91f1.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.execsrss.exe

description	pid	process
Token: SeDebugPrivilege	1824	powershell.exe
Token: SeDebugPrivilege	3616	24ce1558c06ac29acaca9b8294ec91f231f05834aafe6139e195b0f65c2a91f1.exe
Token: SeImpersonatePrivilege	3616	24ce1558c06ac29acaca9b8294ec91f231f05834aafe6139e195b0f65c2a91f1.exe
Token: SeDebugPrivilege	2544	powershell.exe
Token: SeDebugPrivilege	3928	powershell.exe
Token: SeDebugPrivilege	3568	powershell.exe
Token: SeDebugPrivilege	2812	powershell.exe
Token: SeDebugPrivilege	3128	powershell.exe
Token: SeDebugPrivilege	4216	powershell.exe
Token: SeSystemEnvironmentPrivilege	1000	csrss.exe

Suspicious use of WriteProcessMemory 30 IoCs

Processes:

24ce1558c06ac29acaca9b8294ec91f231f05834aafe6139e195b0f65c2a91f1.exe24ce1558c06ac29acaca9b8294ec91f231f05834aafe6139e195b0f65c2a91f1.execmd.execsrss.exe

description	pid	process	target process
PID 3616 wrote to memory of 1824	3616	24ce1558c06ac29acaca9b8294ec91f231f05834aafe6139e195b0f65c2a91f1.exe	powershell.exe
PID 3616 wrote to memory of 1824	3616	24ce1558c06ac29acaca9b8294ec91f231f05834aafe6139e195b0f65c2a91f1.exe	powershell.exe
PID 3616 wrote to memory of 1824	3616	24ce1558c06ac29acaca9b8294ec91f231f05834aafe6139e195b0f65c2a91f1.exe	powershell.exe
PID 2760 wrote to memory of 2544	2760	24ce1558c06ac29acaca9b8294ec91f231f05834aafe6139e195b0f65c2a91f1.exe	powershell.exe
PID 2760 wrote to memory of 2544	2760	24ce1558c06ac29acaca9b8294ec91f231f05834aafe6139e195b0f65c2a91f1.exe	powershell.exe
PID 2760 wrote to memory of 2544	2760	24ce1558c06ac29acaca9b8294ec91f231f05834aafe6139e195b0f65c2a91f1.exe	powershell.exe
PID 2760 wrote to memory of 576	2760	24ce1558c06ac29acaca9b8294ec91f231f05834aafe6139e195b0f65c2a91f1.exe	cmd.exe
PID 2760 wrote to memory of 576	2760	24ce1558c06ac29acaca9b8294ec91f231f05834aafe6139e195b0f65c2a91f1.exe	cmd.exe
PID 576 wrote to memory of 4108	576	cmd.exe	netsh.exe
PID 576 wrote to memory of 4108	576	cmd.exe	netsh.exe
PID 2760 wrote to memory of 3928	2760	24ce1558c06ac29acaca9b8294ec91f231f05834aafe6139e195b0f65c2a91f1.exe	powershell.exe
PID 2760 wrote to memory of 3928	2760	24ce1558c06ac29acaca9b8294ec91f231f05834aafe6139e195b0f65c2a91f1.exe	powershell.exe
PID 2760 wrote to memory of 3928	2760	24ce1558c06ac29acaca9b8294ec91f231f05834aafe6139e195b0f65c2a91f1.exe	powershell.exe
PID 2760 wrote to memory of 3568	2760	24ce1558c06ac29acaca9b8294ec91f231f05834aafe6139e195b0f65c2a91f1.exe	powershell.exe
PID 2760 wrote to memory of 3568	2760	24ce1558c06ac29acaca9b8294ec91f231f05834aafe6139e195b0f65c2a91f1.exe	powershell.exe
PID 2760 wrote to memory of 3568	2760	24ce1558c06ac29acaca9b8294ec91f231f05834aafe6139e195b0f65c2a91f1.exe	powershell.exe
PID 2760 wrote to memory of 1000	2760	24ce1558c06ac29acaca9b8294ec91f231f05834aafe6139e195b0f65c2a91f1.exe	csrss.exe
PID 2760 wrote to memory of 1000	2760	24ce1558c06ac29acaca9b8294ec91f231f05834aafe6139e195b0f65c2a91f1.exe	csrss.exe
PID 2760 wrote to memory of 1000	2760	24ce1558c06ac29acaca9b8294ec91f231f05834aafe6139e195b0f65c2a91f1.exe	csrss.exe
PID 1000 wrote to memory of 2812	1000	csrss.exe	powershell.exe
PID 1000 wrote to memory of 2812	1000	csrss.exe	powershell.exe
PID 1000 wrote to memory of 2812	1000	csrss.exe	powershell.exe
PID 1000 wrote to memory of 3128	1000	csrss.exe	powershell.exe
PID 1000 wrote to memory of 3128	1000	csrss.exe	powershell.exe
PID 1000 wrote to memory of 3128	1000	csrss.exe	powershell.exe
PID 1000 wrote to memory of 4216	1000	csrss.exe	powershell.exe
PID 1000 wrote to memory of 4216	1000	csrss.exe	powershell.exe
PID 1000 wrote to memory of 4216	1000	csrss.exe	powershell.exe
PID 1000 wrote to memory of 4200	1000	csrss.exe	injector.exe
PID 1000 wrote to memory of 4200	1000	csrss.exe	injector.exe

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\24ce1558c06ac29acaca9b8294ec91f231f05834aafe6139e195b0f65c2a91f1.exe
"C:\Users\Admin\AppData\Local\Temp\24ce1558c06ac29acaca9b8294ec91f231f05834aafe6139e195b0f65c2a91f1.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3616
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  powershell -nologo -noprofile
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1824
- C:\Users\Admin\AppData\Local\Temp\24ce1558c06ac29acaca9b8294ec91f231f05834aafe6139e195b0f65c2a91f1.exe
  "C:\Users\Admin\AppData\Local\Temp\24ce1558c06ac29acaca9b8294ec91f231f05834aafe6139e195b0f65c2a91f1.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:2760
- - 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:2544
- - 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:576
  - - 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:4108
- - 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:3928
- - 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:3568
- - C:\Windows\rss\csrss.exe
    C:\Windows\rss\csrss.exe
    3⤵
    - Executes dropped EXE
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:1000
  - - 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:2812
  - - 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:4856
  - - C:\Windows\SYSTEM32\schtasks.exe
      schtasks /delete /tn ScheduledUpdate /f
      4⤵
      PID:1640
  - - 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:3128
  - - 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:4216
  - - C:\Users\Admin\AppData\Local\Temp\csrss\injector\injector.exe
      C:\Users\Admin\AppData\Local\Temp\csrss\injector\injector.exe taskmgr.exe C:\Users\Admin\AppData\Local\Temp\csrss\injector\NtQuerySystemInformationHook.dll
      4⤵
      Executes dropped EXE
      Suspicious behavior: EnumeratesProcesses
      PID:4200

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_hn5kvnwx.awd.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
ac4917a885cf6050b1a483e4bc4d2ea5

SHA1
b1c0a9f27bd21c6bbb8e9be70db8777b4a2a640f

SHA256
e39062a62c3c7617feeeff95ea8a0be51104a0d36f46e44eea22556fda74d8d9

SHA512
092c67a3ecae1d187cad72a8ea1ea37cb78a0cf79c2cd7fb88953e5990669a2e871267015762fd46d274badb88ac0c1d73b00f1df7394d89bed48a3a45c2ba3d

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

Filesize
19KB

MD5
326f0c5195e01f8ec963875ba97f045b

SHA1
3a0906c357f0c61d08629a38b721080ce507e1ae

SHA256
160dacec2d2a743b126708fa304fa110d574dad6b90acd1ba93c0b51dc6084c3

SHA512
09aee4ceb8d0003ba000b0eec9ca415a5734c96c52dd3bebbd23a0cf67a7d110a7e07aa61042b99c4383e11b2a226b6e88a07fb29f04b713d87ab5e10fd0a7bf

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

Filesize
19KB

MD5
e3e85e86f9fa69abb8c39da76c0e2800

SHA1
2fef36c3a8446ce0a8487123a292f279bc0828e4

SHA256
44b24fee6dfb19df4025fcd4f18e08e5e76ad7ffc2b436844fe655ff3e625869

SHA512
ef6fac6e843af61debbd07ae67bdaa4a5b6eb61997a4f2c4bc024bd8f9edae89394de0957930109f8627af014cf5d4ec5e0906ba379836912fc3966e9a8c201b

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

Filesize
19KB

MD5
84b3512e2105d2d9ad38dae0ca35955f

SHA1
44b64ba3b0f72162117cb2071046f8b3c0613cab

SHA256
967b2285ab597c3661867ccaf6b4a135e87ac44de91d9b8581059ae470ba214e

SHA512
53ec4dd7ebaae824c63cb4cb4ce8387fdf9ec65635de7bd088ed5635eb7aa0a5dfce1a32ad338076d9877f5715f5fdec96b0e7962e4994b90f66681d90063207

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

Filesize
19KB

MD5
32ca4a209f22f4d2e7aa36eaf9299a9f

SHA1
5ce01f77805850e223956043540a87676c2b9327

SHA256
074c17b7761caa6edceb2f355fd09e99e5b1daa1a91f5d19d87f0ec7fad799e3

SHA512
a36694b36aba745a9e9e95f8ea44bb9eb33fd435a6de6d8a4dc881606edc6e45c79ad3250888be46bb0d6ae96bd3b473e745d11be9964961d29c50ac8df2aae9

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

Filesize
19KB

MD5
ff7cd97e0100c140bb8e8a26a32c7b93

SHA1
a80728b33042cdab51d975211f2b0ea6b3bee688

SHA256
817b2e918719cfc517fb6fb5a90cde8d42e2b296e52811685a25cb4a3a02909f

SHA512
21cf290183e74cc3a36bf4ddb623b982282e5518326f9b7582555ed54c39cdddeb36ec32b070fff546a37da7aa30ba33412bcec20470834588e3ea1c59945923

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

Filesize
4.2MB

MD5
db2f86f571ecd23acdff760266048eb2

SHA1
20d81819908f0e38b41c8070fd2b301e4524420c

SHA256
24ce1558c06ac29acaca9b8294ec91f231f05834aafe6139e195b0f65c2a91f1

SHA512
0b55c35492c38a7815aa805c5e660f67fc085681f6068a2449a0d005171a9db60c29af08d71f209bdea5765919be2ea826c5d38edcc02104d6aebd05e2f78ee5

Download Submit
memory/1000-242-0x0000000000400000-0x0000000001DFD000-memory.dmp

Filesize
26.0MB

Download
memory/1824-26-0x0000000070DC0000-0x0000000071117000-memory.dmp

Filesize
3.3MB

Download
memory/1824-39-0x00000000075C0000-0x00000000075DA000-memory.dmp

Filesize
104KB

Download
memory/1824-20-0x0000000005F80000-0x0000000005F9E000-memory.dmp

Filesize
120KB

Download
memory/1824-21-0x0000000005FD0000-0x000000000601C000-memory.dmp

Filesize
304KB

Download
memory/1824-22-0x0000000006560000-0x00000000065A6000-memory.dmp

Filesize
280KB

Download
memory/1824-23-0x000000007FD70000-0x000000007FD80000-memory.dmp

Filesize
64KB

Download
memory/1824-24-0x0000000007440000-0x0000000007474000-memory.dmp

Filesize
208KB

Download
memory/1824-25-0x0000000070BB0000-0x0000000070BFC000-memory.dmp

Filesize
304KB

Download
memory/1824-10-0x0000000005920000-0x0000000005986000-memory.dmp

Filesize
408KB

Download
memory/1824-35-0x0000000007480000-0x000000000749E000-memory.dmp

Filesize
120KB

Download
memory/1824-36-0x0000000004CB0000-0x0000000004CC0000-memory.dmp

Filesize
64KB

Download
memory/1824-37-0x00000000074A0000-0x0000000007544000-memory.dmp

Filesize
656KB

Download
memory/1824-38-0x0000000007C10000-0x000000000828A000-memory.dmp

Filesize
6.5MB

Download
memory/1824-19-0x0000000005A50000-0x0000000005DA7000-memory.dmp

Filesize
3.3MB

Download
memory/1824-40-0x0000000007600000-0x000000000760A000-memory.dmp

Filesize
40KB

Download
memory/1824-41-0x0000000007710000-0x00000000077A6000-memory.dmp

Filesize
600KB

Download
memory/1824-42-0x0000000007630000-0x0000000007641000-memory.dmp

Filesize
68KB

Download
memory/1824-43-0x0000000007670000-0x000000000767E000-memory.dmp

Filesize
56KB

Download
memory/1824-44-0x0000000007680000-0x0000000007695000-memory.dmp

Filesize
84KB

Download
memory/1824-45-0x00000000076D0000-0x00000000076EA000-memory.dmp

Filesize
104KB

Download
memory/1824-46-0x00000000076F0000-0x00000000076F8000-memory.dmp

Filesize
32KB

Download
memory/1824-49-0x0000000074940000-0x00000000750F1000-memory.dmp

Filesize
7.7MB

Download
memory/1824-9-0x0000000005170000-0x00000000051D6000-memory.dmp

Filesize
408KB

Download
memory/1824-8-0x00000000050D0000-0x00000000050F2000-memory.dmp

Filesize
136KB

Download
memory/1824-6-0x0000000004CB0000-0x0000000004CC0000-memory.dmp

Filesize
64KB

Download
memory/1824-7-0x00000000052F0000-0x000000000591A000-memory.dmp

Filesize
6.2MB

Download
memory/1824-5-0x0000000074940000-0x00000000750F1000-memory.dmp

Filesize
7.7MB

Download
memory/1824-4-0x0000000002AB0000-0x0000000002AE6000-memory.dmp

Filesize
216KB

Download
memory/2544-56-0x0000000005070000-0x0000000005080000-memory.dmp

Filesize
64KB

Download
memory/2544-82-0x0000000007980000-0x0000000007991000-memory.dmp

Filesize
68KB

Download
memory/2544-55-0x0000000074940000-0x00000000750F1000-memory.dmp

Filesize
7.7MB

Download
memory/2544-68-0x000000007FA70000-0x000000007FA80000-memory.dmp

Filesize
64KB

Download
memory/2544-69-0x0000000070BB0000-0x0000000070BFC000-memory.dmp

Filesize
304KB

Download
memory/2544-70-0x0000000070D50000-0x00000000710A7000-memory.dmp

Filesize
3.3MB

Download
memory/2544-80-0x0000000005070000-0x0000000005080000-memory.dmp

Filesize
64KB

Download
memory/2544-79-0x0000000007660000-0x0000000007704000-memory.dmp

Filesize
656KB

Download
memory/2544-81-0x0000000005070000-0x0000000005080000-memory.dmp

Filesize
64KB

Download
memory/2544-66-0x0000000005F10000-0x0000000006267000-memory.dmp

Filesize
3.3MB

Download
memory/2544-83-0x00000000079D0000-0x00000000079E5000-memory.dmp

Filesize
84KB

Download
memory/2544-86-0x0000000074940000-0x00000000750F1000-memory.dmp

Filesize
7.7MB

Download
memory/2544-57-0x0000000005070000-0x0000000005080000-memory.dmp

Filesize
64KB

Download
memory/2760-52-0x0000000003F10000-0x00000000047FB000-memory.dmp

Filesize
8.9MB

Download
memory/2760-175-0x0000000000400000-0x0000000001DFD000-memory.dmp

Filesize
26.0MB

Download
memory/2760-54-0x0000000000400000-0x0000000001DFD000-memory.dmp

Filesize
26.0MB

Download
memory/2760-113-0x0000000003B10000-0x0000000003F0F000-memory.dmp

Filesize
4.0MB

Download
memory/2760-51-0x0000000003B10000-0x0000000003F0F000-memory.dmp

Filesize
4.0MB

Download
memory/3568-129-0x000000007FA50000-0x000000007FA60000-memory.dmp

Filesize
64KB

Download
memory/3568-117-0x0000000074940000-0x00000000750F1000-memory.dmp

Filesize
7.7MB

Download
memory/3568-130-0x0000000070E00000-0x0000000071157000-memory.dmp

Filesize
3.3MB

Download
memory/3568-128-0x0000000070BB0000-0x0000000070BFC000-memory.dmp

Filesize
304KB

Download
memory/3568-118-0x0000000005810000-0x0000000005B67000-memory.dmp

Filesize
3.3MB

Download
memory/3616-53-0x0000000003C40000-0x000000000403D000-memory.dmp

Filesize
4.0MB

Download
memory/3616-1-0x0000000003C40000-0x000000000403D000-memory.dmp

Filesize
4.0MB

Download
memory/3616-2-0x0000000004040000-0x000000000492B000-memory.dmp

Filesize
8.9MB

Download
memory/3616-3-0x0000000000400000-0x0000000001DFD000-memory.dmp

Filesize
26.0MB

Download
memory/3616-67-0x0000000000400000-0x0000000001DFD000-memory.dmp

Filesize
26.0MB

Download
memory/3928-98-0x0000000006400000-0x0000000006757000-memory.dmp

Filesize
3.3MB

Download
memory/3928-102-0x000000007FAD0000-0x000000007FAE0000-memory.dmp

Filesize
64KB

Download
memory/3928-116-0x0000000074940000-0x00000000750F1000-memory.dmp

Filesize
7.7MB

Download
memory/3928-104-0x0000000070D30000-0x0000000071087000-memory.dmp

Filesize
3.3MB

Download
memory/3928-99-0x00000000055A0000-0x00000000055B0000-memory.dmp

Filesize
64KB

Download
memory/3928-89-0x0000000074940000-0x00000000750F1000-memory.dmp

Filesize
7.7MB

Download
memory/3928-114-0x00000000055A0000-0x00000000055B0000-memory.dmp

Filesize
64KB

Download
memory/3928-100-0x00000000055A0000-0x00000000055B0000-memory.dmp

Filesize
64KB

Download
memory/3928-103-0x0000000070BB0000-0x0000000070BFC000-memory.dmp

Filesize
304KB

Download