glupteba | b61f291f8844d721033c1e359c860ef80caa23eb5a121cc94582ac53c36a5635

General

Target

b61f291f8844d721033c1e359c860ef80caa23eb5a121cc94582ac53c36a5635.exe
Size

4.0MB
MD5

4740c5f86b9a4f7ba47a78c8be2da6f2
SHA1

85df691198d3f7814bf8c0362e1464ae6d8ad620
SHA256

b61f291f8844d721033c1e359c860ef80caa23eb5a121cc94582ac53c36a5635
SHA512

09e44569adb27e597bf99dca20ebe477a713a5fcbdb8cab827802b45b1c47baf54cc073581d91f7aad74b78eff28b597216a7da8170b305bfd86eac78c9e7c50
SSDEEP

98304:TorSjpqCjRWs+aS/uZR88eK2ShU0NCUFSNTEaxJepw5ZV/iBQ10:TfjphtWs+aS/udeLShU0VYTqqxi1

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

Suspicious use of NtCreateUserProcessOtherParentProcess 4 IoCs

Processes:

svchost.exe

description	pid	process	target process
PID 4664 created 1476	4664	svchost.exe	b61f291f8844d721033c1e359c860ef80caa23eb5a121cc94582ac53c36a5635.exe
PID 4664 created 488	4664	svchost.exe	csrss.exe
PID 4664 created 488	4664	svchost.exe	csrss.exe
PID 4664 created 488	4664	svchost.exe	csrss.exe

Modifies Windows Firewall 1 TTPs 1 IoCs
evasion

Modify Existing Service
T1031

Processes:

netsh.exe

pid process

4500 netsh.exe
Executes dropped EXE 2 IoCs

Processes:

csrss.exeinjector.exe

pid process

488 csrss.exe
4392 injector.exe

pid	process
4500	netsh.exe

pid	process
488	csrss.exe
4392	injector.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

b61f291f8844d721033c1e359c860ef80caa23eb5a121cc94582ac53c36a5635.execsrss.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\""	b61f291f8844d721033c1e359c860ef80caa23eb5a121cc94582ac53c36a5635.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\""	csrss.exe

Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

Drops file in Windows directory 2 IoCs

Processes:

b61f291f8844d721033c1e359c860ef80caa23eb5a121cc94582ac53c36a5635.exe

description	ioc	process
File opened for modification	C:\Windows\rss	b61f291f8844d721033c1e359c860ef80caa23eb5a121cc94582ac53c36a5635.exe
File created	C:\Windows\rss\csrss.exe	b61f291f8844d721033c1e359c860ef80caa23eb5a121cc94582ac53c36a5635.exe

Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task
T1053

Processes:

schtasks.exeschtasks.exe

pid process

1624 schtasks.exe
1460 schtasks.exe

pid	process
1624	schtasks.exe
1460	schtasks.exe

Modifies data under HKEY_USERS 64 IoCs

Processes:

b61f291f8844d721033c1e359c860ef80caa23eb5a121cc94582ac53c36a5635.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1021 = "Bangladesh Daylight Time"	b61f291f8844d721033c1e359c860ef80caa23eb5a121cc94582ac53c36a5635.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-192 = "Mountain Standard Time"	b61f291f8844d721033c1e359c860ef80caa23eb5a121cc94582ac53c36a5635.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1501 = "Turkey Daylight Time"	b61f291f8844d721033c1e359c860ef80caa23eb5a121cc94582ac53c36a5635.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-772 = "Montevideo Standard Time"	b61f291f8844d721033c1e359c860ef80caa23eb5a121cc94582ac53c36a5635.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2631 = "Norfolk Daylight Time"	b61f291f8844d721033c1e359c860ef80caa23eb5a121cc94582ac53c36a5635.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1911 = "Russia TZ 10 Daylight Time"	b61f291f8844d721033c1e359c860ef80caa23eb5a121cc94582ac53c36a5635.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-841 = "Argentina Daylight Time"	b61f291f8844d721033c1e359c860ef80caa23eb5a121cc94582ac53c36a5635.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1022 = "Bangladesh Standard Time"	b61f291f8844d721033c1e359c860ef80caa23eb5a121cc94582ac53c36a5635.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-141 = "Canada Central Daylight Time"	b61f291f8844d721033c1e359c860ef80caa23eb5a121cc94582ac53c36a5635.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1802 = "Line Islands Standard Time"	b61f291f8844d721033c1e359c860ef80caa23eb5a121cc94582ac53c36a5635.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-364 = "Middle East Daylight Time"	b61f291f8844d721033c1e359c860ef80caa23eb5a121cc94582ac53c36a5635.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2842 = "Saratov Standard Time"	b61f291f8844d721033c1e359c860ef80caa23eb5a121cc94582ac53c36a5635.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1412 = "Syria Standard Time"	b61f291f8844d721033c1e359c860ef80caa23eb5a121cc94582ac53c36a5635.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-162 = "Central Standard Time"	b61f291f8844d721033c1e359c860ef80caa23eb5a121cc94582ac53c36a5635.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2531 = "Chatham Islands Daylight Time"	b61f291f8844d721033c1e359c860ef80caa23eb5a121cc94582ac53c36a5635.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-131 = "US Eastern Daylight Time"	b61f291f8844d721033c1e359c860ef80caa23eb5a121cc94582ac53c36a5635.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-731 = "Fiji Daylight Time"	b61f291f8844d721033c1e359c860ef80caa23eb5a121cc94582ac53c36a5635.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1872 = "Russia TZ 7 Standard Time"	b61f291f8844d721033c1e359c860ef80caa23eb5a121cc94582ac53c36a5635.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2391 = "Aleutian Daylight Time"	b61f291f8844d721033c1e359c860ef80caa23eb5a121cc94582ac53c36a5635.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-651 = "AUS Central Daylight Time"	b61f291f8844d721033c1e359c860ef80caa23eb5a121cc94582ac53c36a5635.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-172 = "Central Standard Time (Mexico)"	b61f291f8844d721033c1e359c860ef80caa23eb5a121cc94582ac53c36a5635.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-252 = "Dateline Standard Time"	b61f291f8844d721033c1e359c860ef80caa23eb5a121cc94582ac53c36a5635.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-411 = "E. Africa Daylight Time"	b61f291f8844d721033c1e359c860ef80caa23eb5a121cc94582ac53c36a5635.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-532 = "Sri Lanka Standard Time"	b61f291f8844d721033c1e359c860ef80caa23eb5a121cc94582ac53c36a5635.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-251 = "Dateline Daylight Time"	b61f291f8844d721033c1e359c860ef80caa23eb5a121cc94582ac53c36a5635.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2062 = "North Korea Standard Time"	b61f291f8844d721033c1e359c860ef80caa23eb5a121cc94582ac53c36a5635.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-3051 = "Qyzylorda Daylight Time"	b61f291f8844d721033c1e359c860ef80caa23eb5a121cc94582ac53c36a5635.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-602 = "Taipei Standard Time"	b61f291f8844d721033c1e359c860ef80caa23eb5a121cc94582ac53c36a5635.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-291 = "Central European Daylight Time"	b61f291f8844d721033c1e359c860ef80caa23eb5a121cc94582ac53c36a5635.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-161 = "Central Daylight Time"	b61f291f8844d721033c1e359c860ef80caa23eb5a121cc94582ac53c36a5635.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2372 = "Easter Island Standard Time"	b61f291f8844d721033c1e359c860ef80caa23eb5a121cc94582ac53c36a5635.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2182 = "Astrakhan Standard Time"	b61f291f8844d721033c1e359c860ef80caa23eb5a121cc94582ac53c36a5635.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-681 = "E. Australia Daylight Time"	b61f291f8844d721033c1e359c860ef80caa23eb5a121cc94582ac53c36a5635.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-541 = "Myanmar Daylight Time"	b61f291f8844d721033c1e359c860ef80caa23eb5a121cc94582ac53c36a5635.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-215 = "Pacific Standard Time (Mexico)"	b61f291f8844d721033c1e359c860ef80caa23eb5a121cc94582ac53c36a5635.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2321 = "Sakhalin Daylight Time"	b61f291f8844d721033c1e359c860ef80caa23eb5a121cc94582ac53c36a5635.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1972 = "Belarus Standard Time"	b61f291f8844d721033c1e359c860ef80caa23eb5a121cc94582ac53c36a5635.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-105 = "Central Brazilian Standard Time"	b61f291f8844d721033c1e359c860ef80caa23eb5a121cc94582ac53c36a5635.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2041 = "Eastern Daylight Time (Mexico)"	b61f291f8844d721033c1e359c860ef80caa23eb5a121cc94582ac53c36a5635.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-334 = "Jordan Daylight Time"	b61f291f8844d721033c1e359c860ef80caa23eb5a121cc94582ac53c36a5635.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-448 = "Azerbaijan Daylight Time"	b61f291f8844d721033c1e359c860ef80caa23eb5a121cc94582ac53c36a5635.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1971 = "Belarus Daylight Time"	b61f291f8844d721033c1e359c860ef80caa23eb5a121cc94582ac53c36a5635.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2791 = "Novosibirsk Daylight Time"	b61f291f8844d721033c1e359c860ef80caa23eb5a121cc94582ac53c36a5635.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-402 = "Arabic Standard Time"	b61f291f8844d721033c1e359c860ef80caa23eb5a121cc94582ac53c36a5635.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-142 = "Canada Central Standard Time"	b61f291f8844d721033c1e359c860ef80caa23eb5a121cc94582ac53c36a5635.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-232 = "Hawaiian Standard Time"	b61f291f8844d721033c1e359c860ef80caa23eb5a121cc94582ac53c36a5635.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-335 = "Jordan Standard Time"	b61f291f8844d721033c1e359c860ef80caa23eb5a121cc94582ac53c36a5635.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-214 = "Pacific Daylight Time (Mexico)"	b61f291f8844d721033c1e359c860ef80caa23eb5a121cc94582ac53c36a5635.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1472 = "Magadan Standard Time"	b61f291f8844d721033c1e359c860ef80caa23eb5a121cc94582ac53c36a5635.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-31 = "Mid-Atlantic Daylight Time"	b61f291f8844d721033c1e359c860ef80caa23eb5a121cc94582ac53c36a5635.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2392 = "Aleutian Standard Time"	b61f291f8844d721033c1e359c860ef80caa23eb5a121cc94582ac53c36a5635.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-571 = "China Daylight Time"	b61f291f8844d721033c1e359c860ef80caa23eb5a121cc94582ac53c36a5635.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2941 = "Sao Tome Daylight Time"	b61f291f8844d721033c1e359c860ef80caa23eb5a121cc94582ac53c36a5635.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-451 = "Caucasus Daylight Time"	b61f291f8844d721033c1e359c860ef80caa23eb5a121cc94582ac53c36a5635.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2431 = "Cuba Daylight Time"	b61f291f8844d721033c1e359c860ef80caa23eb5a121cc94582ac53c36a5635.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1842 = "Russia TZ 4 Standard Time"	b61f291f8844d721033c1e359c860ef80caa23eb5a121cc94582ac53c36a5635.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-501 = "Nepal Daylight Time"	b61f291f8844d721033c1e359c860ef80caa23eb5a121cc94582ac53c36a5635.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-392 = "Arab Standard Time"	b61f291f8844d721033c1e359c860ef80caa23eb5a121cc94582ac53c36a5635.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-432 = "Iran Standard Time"	b61f291f8844d721033c1e359c860ef80caa23eb5a121cc94582ac53c36a5635.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2771 = "Omsk Daylight Time"	b61f291f8844d721033c1e359c860ef80caa23eb5a121cc94582ac53c36a5635.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-962 = "Paraguay Standard Time"	b61f291f8844d721033c1e359c860ef80caa23eb5a121cc94582ac53c36a5635.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-661 = "Cen. Australia Daylight Time"	b61f291f8844d721033c1e359c860ef80caa23eb5a121cc94582ac53c36a5635.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-911 = "Mauritius Daylight Time"	b61f291f8844d721033c1e359c860ef80caa23eb5a121cc94582ac53c36a5635.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-301 = "Romance Daylight Time"	b61f291f8844d721033c1e359c860ef80caa23eb5a121cc94582ac53c36a5635.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

b61f291f8844d721033c1e359c860ef80caa23eb5a121cc94582ac53c36a5635.exeb61f291f8844d721033c1e359c860ef80caa23eb5a121cc94582ac53c36a5635.exeinjector.execsrss.exe

pid	process
1476	b61f291f8844d721033c1e359c860ef80caa23eb5a121cc94582ac53c36a5635.exe
1476	b61f291f8844d721033c1e359c860ef80caa23eb5a121cc94582ac53c36a5635.exe
2764	b61f291f8844d721033c1e359c860ef80caa23eb5a121cc94582ac53c36a5635.exe
2764	b61f291f8844d721033c1e359c860ef80caa23eb5a121cc94582ac53c36a5635.exe
2764	b61f291f8844d721033c1e359c860ef80caa23eb5a121cc94582ac53c36a5635.exe
2764	b61f291f8844d721033c1e359c860ef80caa23eb5a121cc94582ac53c36a5635.exe
2764	b61f291f8844d721033c1e359c860ef80caa23eb5a121cc94582ac53c36a5635.exe
2764	b61f291f8844d721033c1e359c860ef80caa23eb5a121cc94582ac53c36a5635.exe
2764	b61f291f8844d721033c1e359c860ef80caa23eb5a121cc94582ac53c36a5635.exe
2764	b61f291f8844d721033c1e359c860ef80caa23eb5a121cc94582ac53c36a5635.exe
2764	b61f291f8844d721033c1e359c860ef80caa23eb5a121cc94582ac53c36a5635.exe
2764	b61f291f8844d721033c1e359c860ef80caa23eb5a121cc94582ac53c36a5635.exe
4392	injector.exe
4392	injector.exe
4392	injector.exe
4392	injector.exe
4392	injector.exe
4392	injector.exe
488	csrss.exe
488	csrss.exe
4392	injector.exe
4392	injector.exe
4392	injector.exe
4392	injector.exe
4392	injector.exe
4392	injector.exe
488	csrss.exe
488	csrss.exe
4392	injector.exe
4392	injector.exe
4392	injector.exe
4392	injector.exe
4392	injector.exe
4392	injector.exe
4392	injector.exe
4392	injector.exe
4392	injector.exe
4392	injector.exe
4392	injector.exe
4392	injector.exe
4392	injector.exe
4392	injector.exe
4392	injector.exe
4392	injector.exe
4392	injector.exe
4392	injector.exe
4392	injector.exe
4392	injector.exe
4392	injector.exe
4392	injector.exe
4392	injector.exe
4392	injector.exe
4392	injector.exe
4392	injector.exe
4392	injector.exe
4392	injector.exe
4392	injector.exe
4392	injector.exe
4392	injector.exe
4392	injector.exe
4392	injector.exe
4392	injector.exe
4392	injector.exe
4392	injector.exe

Suspicious use of AdjustPrivilegeToken 17 IoCs

Processes:

b61f291f8844d721033c1e359c860ef80caa23eb5a121cc94582ac53c36a5635.exesvchost.execsrss.exe

description	pid	process
Token: SeDebugPrivilege	1476	b61f291f8844d721033c1e359c860ef80caa23eb5a121cc94582ac53c36a5635.exe
Token: SeImpersonatePrivilege	1476	b61f291f8844d721033c1e359c860ef80caa23eb5a121cc94582ac53c36a5635.exe
Token: SeTcbPrivilege	4664	svchost.exe
Token: SeTcbPrivilege	4664	svchost.exe
Token: SeBackupPrivilege	4664	svchost.exe
Token: SeRestorePrivilege	4664	svchost.exe
Token: SeBackupPrivilege	4664	svchost.exe
Token: SeRestorePrivilege	4664	svchost.exe
Token: SeBackupPrivilege	4664	svchost.exe
Token: SeRestorePrivilege	4664	svchost.exe
Token: SeBackupPrivilege	4664	svchost.exe
Token: SeRestorePrivilege	4664	svchost.exe
Token: SeSystemEnvironmentPrivilege	488	csrss.exe
Token: SeBackupPrivilege	4664	svchost.exe
Token: SeRestorePrivilege	4664	svchost.exe
Token: SeBackupPrivilege	4664	svchost.exe
Token: SeRestorePrivilege	4664	svchost.exe

Suspicious use of WriteProcessMemory 18 IoCs

Processes:

svchost.exeb61f291f8844d721033c1e359c860ef80caa23eb5a121cc94582ac53c36a5635.execmd.execsrss.exe

description	pid	process	target process
PID 4664 wrote to memory of 2764	4664	svchost.exe	b61f291f8844d721033c1e359c860ef80caa23eb5a121cc94582ac53c36a5635.exe
PID 4664 wrote to memory of 2764	4664	svchost.exe	b61f291f8844d721033c1e359c860ef80caa23eb5a121cc94582ac53c36a5635.exe
PID 4664 wrote to memory of 2764	4664	svchost.exe	b61f291f8844d721033c1e359c860ef80caa23eb5a121cc94582ac53c36a5635.exe
PID 2764 wrote to memory of 260	2764	b61f291f8844d721033c1e359c860ef80caa23eb5a121cc94582ac53c36a5635.exe	cmd.exe
PID 2764 wrote to memory of 260	2764	b61f291f8844d721033c1e359c860ef80caa23eb5a121cc94582ac53c36a5635.exe	cmd.exe
PID 260 wrote to memory of 4500	260	cmd.exe	netsh.exe
PID 260 wrote to memory of 4500	260	cmd.exe	netsh.exe
PID 2764 wrote to memory of 488	2764	b61f291f8844d721033c1e359c860ef80caa23eb5a121cc94582ac53c36a5635.exe	csrss.exe
PID 2764 wrote to memory of 488	2764	b61f291f8844d721033c1e359c860ef80caa23eb5a121cc94582ac53c36a5635.exe	csrss.exe
PID 2764 wrote to memory of 488	2764	b61f291f8844d721033c1e359c860ef80caa23eb5a121cc94582ac53c36a5635.exe	csrss.exe
PID 4664 wrote to memory of 1624	4664	svchost.exe	schtasks.exe
PID 4664 wrote to memory of 1624	4664	svchost.exe	schtasks.exe
PID 4664 wrote to memory of 4508	4664	svchost.exe	schtasks.exe
PID 4664 wrote to memory of 4508	4664	svchost.exe	schtasks.exe
PID 488 wrote to memory of 4392	488	csrss.exe	injector.exe
PID 488 wrote to memory of 4392	488	csrss.exe	injector.exe
PID 4664 wrote to memory of 1460	4664	svchost.exe	schtasks.exe
PID 4664 wrote to memory of 1460	4664	svchost.exe	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\b61f291f8844d721033c1e359c860ef80caa23eb5a121cc94582ac53c36a5635.exe
"C:\Users\Admin\AppData\Local\Temp\b61f291f8844d721033c1e359c860ef80caa23eb5a121cc94582ac53c36a5635.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1476

C:\Users\Admin\AppData\Local\Temp\b61f291f8844d721033c1e359c860ef80caa23eb5a121cc94582ac53c36a5635.exe
"C:\Users\Admin\AppData\Local\Temp\b61f291f8844d721033c1e359c860ef80caa23eb5a121cc94582ac53c36a5635.exe"
2⤵
- Adds Run key to start application
- Drops file in Windows directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2764

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:260

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:4500

C:\Windows\rss\csrss.exe
C:\Windows\rss\csrss.exe
3⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:488

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:1624

C:\Windows\SYSTEM32\schtasks.exe
schtasks /delete /tn ScheduledUpdate /f
4⤵
PID:4508

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:4392

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:1460

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s seclogon
1⤵
- Suspicious use of NtCreateUserProcessOtherParentProcess
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4664

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Modify Existing Service

1

T1031

Registry Run Keys / Startup Folder

1

T1060

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\csrss\injector\injector.exe
Filesize
281KB

MD5
d98e33b66343e7c96158444127a117f6

SHA1
bb716c5509a2bf345c6c1152f6e3e1452d39d50d

SHA256
5de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1

SHA512
705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5

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\rss\csrss.exe
Filesize
4.0MB

MD5
4740c5f86b9a4f7ba47a78c8be2da6f2

SHA1
85df691198d3f7814bf8c0362e1464ae6d8ad620

SHA256
b61f291f8844d721033c1e359c860ef80caa23eb5a121cc94582ac53c36a5635

SHA512
09e44569adb27e597bf99dca20ebe477a713a5fcbdb8cab827802b45b1c47baf54cc073581d91f7aad74b78eff28b597216a7da8170b305bfd86eac78c9e7c50

Download Submit
C:\Windows\rss\csrss.exe
Filesize
4.0MB

MD5
4740c5f86b9a4f7ba47a78c8be2da6f2

SHA1
85df691198d3f7814bf8c0362e1464ae6d8ad620

SHA256
b61f291f8844d721033c1e359c860ef80caa23eb5a121cc94582ac53c36a5635

SHA512
09e44569adb27e597bf99dca20ebe477a713a5fcbdb8cab827802b45b1c47baf54cc073581d91f7aad74b78eff28b597216a7da8170b305bfd86eac78c9e7c50

Download Submit
memory/260-139-0x0000000000000000-mapping.dmp

Download
memory/488-147-0x0000000002E00000-0x00000000031E9000-memory.dmp

Filesize
3.9MB

Download
memory/488-148-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/488-153-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/488-141-0x0000000000000000-mapping.dmp

Download
memory/1460-152-0x0000000000000000-mapping.dmp

Download
memory/1476-132-0x0000000002B74000-0x0000000002F5D000-memory.dmp

Filesize
3.9MB

Download
memory/1476-136-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/1476-133-0x0000000002F60000-0x00000000037D7000-memory.dmp

Filesize
8.5MB

Download
memory/1476-134-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/1624-145-0x0000000000000000-mapping.dmp

Download
memory/2764-135-0x0000000000000000-mapping.dmp

Download
memory/2764-144-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/2764-137-0x0000000002B19000-0x0000000002F02000-memory.dmp

Filesize
3.9MB

Download
memory/2764-138-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/4392-149-0x0000000000000000-mapping.dmp

Download
memory/4500-140-0x0000000000000000-mapping.dmp

Download
memory/4508-146-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

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Downloads