glupteba | 61f0fed9443dcb45bb44a8dd5692542c5ef746e2dfae12cde5c284d963c5eb91

General

Target

61f0fed9443dcb45bb44a8dd5692542c5ef746e2dfae12cde5c284d963c5eb91.exe
Size

4.1MB
MD5

d561d28db0cf1c9f4e8fd6abb22965d4
SHA1

cff03306337c09c2fb7b7370f0aee006ccb4cb44
SHA256

61f0fed9443dcb45bb44a8dd5692542c5ef746e2dfae12cde5c284d963c5eb91
SHA512

daefbbe4436473c6294e5b91b5510a477cb8388c327c9b3d4cbf638f7b4557f385c21c9066ad00986eda6801360dc4a2645a183a7f584334ee4b27ed02a81999
SSDEEP

98304:Cph+CIu6fFZNwqNV2pdlHi/wePQieUey5QYk:CPgRVudxi/xRdh5QL

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 5080 created 3676	5080	svchost.exe	61f0fed9443dcb45bb44a8dd5692542c5ef746e2dfae12cde5c284d963c5eb91.exe
PID 5080 created 844	5080	svchost.exe	csrss.exe
PID 5080 created 844	5080	svchost.exe	csrss.exe
PID 5080 created 844	5080	svchost.exe	csrss.exe

Executes dropped EXE 2 IoCs

Processes:

csrss.exeinjector.exe

pid process

844 csrss.exe
532 injector.exe
Modifies Windows Firewall 1 TTPs 1 IoCs
evasion

Modify Existing Service
T1031

Processes:

netsh.exe

pid process

4704 netsh.exe

pid	process
844	csrss.exe
532	injector.exe

pid	process
4704	netsh.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

61f0fed9443dcb45bb44a8dd5692542c5ef746e2dfae12cde5c284d963c5eb91.execsrss.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\""	61f0fed9443dcb45bb44a8dd5692542c5ef746e2dfae12cde5c284d963c5eb91.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\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:

61f0fed9443dcb45bb44a8dd5692542c5ef746e2dfae12cde5c284d963c5eb91.exe

description	ioc	process
File opened for modification	C:\Windows\rss	61f0fed9443dcb45bb44a8dd5692542c5ef746e2dfae12cde5c284d963c5eb91.exe
File created	C:\Windows\rss\csrss.exe	61f0fed9443dcb45bb44a8dd5692542c5ef746e2dfae12cde5c284d963c5eb91.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

4756 schtasks.exe
1336 schtasks.exe

pid	process
4756	schtasks.exe
1336	schtasks.exe

Modifies data under HKEY_USERS 64 IoCs

Processes:

61f0fed9443dcb45bb44a8dd5692542c5ef746e2dfae12cde5c284d963c5eb91.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-452 = "Caucasus Standard Time"	61f0fed9443dcb45bb44a8dd5692542c5ef746e2dfae12cde5c284d963c5eb91.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-281 = "Central Europe Daylight Time"	61f0fed9443dcb45bb44a8dd5692542c5ef746e2dfae12cde5c284d963c5eb91.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-331 = "E. Europe Daylight Time"	61f0fed9443dcb45bb44a8dd5692542c5ef746e2dfae12cde5c284d963c5eb91.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-41 = "E. South America Daylight Time"	61f0fed9443dcb45bb44a8dd5692542c5ef746e2dfae12cde5c284d963c5eb91.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-362 = "GTB Standard Time"	61f0fed9443dcb45bb44a8dd5692542c5ef746e2dfae12cde5c284d963c5eb91.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-3052 = "Qyzylorda Standard Time"	61f0fed9443dcb45bb44a8dd5692542c5ef746e2dfae12cde5c284d963c5eb91.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-202 = "US Mountain Standard Time"	61f0fed9443dcb45bb44a8dd5692542c5ef746e2dfae12cde5c284d963c5eb91.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-652 = "AUS Central Standard Time"	61f0fed9443dcb45bb44a8dd5692542c5ef746e2dfae12cde5c284d963c5eb91.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-341 = "Egypt Daylight Time"	61f0fed9443dcb45bb44a8dd5692542c5ef746e2dfae12cde5c284d963c5eb91.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2341 = "Haiti Daylight Time"	61f0fed9443dcb45bb44a8dd5692542c5ef746e2dfae12cde5c284d963c5eb91.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-364 = "Middle East Daylight Time"	61f0fed9443dcb45bb44a8dd5692542c5ef746e2dfae12cde5c284d963c5eb91.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2061 = "North Korea Daylight Time"	61f0fed9443dcb45bb44a8dd5692542c5ef746e2dfae12cde5c284d963c5eb91.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-631 = "Tokyo Daylight Time"	61f0fed9443dcb45bb44a8dd5692542c5ef746e2dfae12cde5c284d963c5eb91.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-622 = "Korea Standard Time"	61f0fed9443dcb45bb44a8dd5692542c5ef746e2dfae12cde5c284d963c5eb91.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2591 = "Tocantins Daylight Time"	61f0fed9443dcb45bb44a8dd5692542c5ef746e2dfae12cde5c284d963c5eb91.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-651 = "AUS Central Daylight Time"	61f0fed9443dcb45bb44a8dd5692542c5ef746e2dfae12cde5c284d963c5eb91.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-431 = "Iran Daylight Time"	61f0fed9443dcb45bb44a8dd5692542c5ef746e2dfae12cde5c284d963c5eb91.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-211 = "Pacific Daylight Time"	61f0fed9443dcb45bb44a8dd5692542c5ef746e2dfae12cde5c284d963c5eb91.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-931 = "Coordinated Universal Time"	61f0fed9443dcb45bb44a8dd5692542c5ef746e2dfae12cde5c284d963c5eb91.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2612 = "Bougainville Standard Time"	61f0fed9443dcb45bb44a8dd5692542c5ef746e2dfae12cde5c284d963c5eb91.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-142 = "Canada Central Standard Time"	61f0fed9443dcb45bb44a8dd5692542c5ef746e2dfae12cde5c284d963c5eb91.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-141 = "Canada Central Daylight Time"	61f0fed9443dcb45bb44a8dd5692542c5ef746e2dfae12cde5c284d963c5eb91.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-542 = "Myanmar Standard Time"	61f0fed9443dcb45bb44a8dd5692542c5ef746e2dfae12cde5c284d963c5eb91.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-501 = "Nepal Daylight Time"	61f0fed9443dcb45bb44a8dd5692542c5ef746e2dfae12cde5c284d963c5eb91.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-382 = "South Africa Standard Time"	61f0fed9443dcb45bb44a8dd5692542c5ef746e2dfae12cde5c284d963c5eb91.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-291 = "Central European Daylight Time"	61f0fed9443dcb45bb44a8dd5692542c5ef746e2dfae12cde5c284d963c5eb91.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-961 = "Paraguay Daylight Time"	61f0fed9443dcb45bb44a8dd5692542c5ef746e2dfae12cde5c284d963c5eb91.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-201 = "US Mountain Daylight Time"	61f0fed9443dcb45bb44a8dd5692542c5ef746e2dfae12cde5c284d963c5eb91.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2631 = "Norfolk Daylight Time"	61f0fed9443dcb45bb44a8dd5692542c5ef746e2dfae12cde5c284d963c5eb91.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-32 = "Mid-Atlantic Standard Time"	61f0fed9443dcb45bb44a8dd5692542c5ef746e2dfae12cde5c284d963c5eb91.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2611 = "Bougainville Daylight Time"	61f0fed9443dcb45bb44a8dd5692542c5ef746e2dfae12cde5c284d963c5eb91.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-352 = "FLE Standard Time"	61f0fed9443dcb45bb44a8dd5692542c5ef746e2dfae12cde5c284d963c5eb91.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1801 = "Line Islands Daylight Time"	61f0fed9443dcb45bb44a8dd5692542c5ef746e2dfae12cde5c284d963c5eb91.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-192 = "Mountain Standard Time"	61f0fed9443dcb45bb44a8dd5692542c5ef746e2dfae12cde5c284d963c5eb91.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1861 = "Russia TZ 6 Daylight Time"	61f0fed9443dcb45bb44a8dd5692542c5ef746e2dfae12cde5c284d963c5eb91.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-541 = "Myanmar Daylight Time"	61f0fed9443dcb45bb44a8dd5692542c5ef746e2dfae12cde5c284d963c5eb91.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-152 = "Central America Standard Time"	61f0fed9443dcb45bb44a8dd5692542c5ef746e2dfae12cde5c284d963c5eb91.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-732 = "Fiji Standard Time"	61f0fed9443dcb45bb44a8dd5692542c5ef746e2dfae12cde5c284d963c5eb91.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-361 = "GTB Daylight Time"	61f0fed9443dcb45bb44a8dd5692542c5ef746e2dfae12cde5c284d963c5eb91.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-911 = "Mauritius Daylight Time"	61f0fed9443dcb45bb44a8dd5692542c5ef746e2dfae12cde5c284d963c5eb91.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-91 = "Pacific SA Daylight Time"	61f0fed9443dcb45bb44a8dd5692542c5ef746e2dfae12cde5c284d963c5eb91.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1412 = "Syria Standard Time"	61f0fed9443dcb45bb44a8dd5692542c5ef746e2dfae12cde5c284d963c5eb91.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-434 = "Georgian Daylight Time"	61f0fed9443dcb45bb44a8dd5692542c5ef746e2dfae12cde5c284d963c5eb91.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-892 = "Morocco Standard Time"	61f0fed9443dcb45bb44a8dd5692542c5ef746e2dfae12cde5c284d963c5eb91.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2322 = "Sakhalin Standard Time"	61f0fed9443dcb45bb44a8dd5692542c5ef746e2dfae12cde5c284d963c5eb91.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-131 = "US Eastern Daylight Time"	61f0fed9443dcb45bb44a8dd5692542c5ef746e2dfae12cde5c284d963c5eb91.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-151 = "Central America Daylight Time"	61f0fed9443dcb45bb44a8dd5692542c5ef746e2dfae12cde5c284d963c5eb91.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-332 = "E. Europe Standard Time"	61f0fed9443dcb45bb44a8dd5692542c5ef746e2dfae12cde5c284d963c5eb91.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-751 = "Tonga Daylight Time"	61f0fed9443dcb45bb44a8dd5692542c5ef746e2dfae12cde5c284d963c5eb91.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-571 = "China Daylight Time"	61f0fed9443dcb45bb44a8dd5692542c5ef746e2dfae12cde5c284d963c5eb91.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"	61f0fed9443dcb45bb44a8dd5692542c5ef746e2dfae12cde5c284d963c5eb91.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-334 = "Jordan Daylight Time"	61f0fed9443dcb45bb44a8dd5692542c5ef746e2dfae12cde5c284d963c5eb91.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-31 = "Mid-Atlantic Daylight Time"	61f0fed9443dcb45bb44a8dd5692542c5ef746e2dfae12cde5c284d963c5eb91.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-302 = "Romance Standard Time"	61f0fed9443dcb45bb44a8dd5692542c5ef746e2dfae12cde5c284d963c5eb91.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2492 = "Aus Central W. Standard Time"	61f0fed9443dcb45bb44a8dd5692542c5ef746e2dfae12cde5c284d963c5eb91.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2001 = "Cabo Verde Daylight Time"	61f0fed9443dcb45bb44a8dd5692542c5ef746e2dfae12cde5c284d963c5eb91.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2392 = "Aleutian Standard Time"	61f0fed9443dcb45bb44a8dd5692542c5ef746e2dfae12cde5c284d963c5eb91.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-411 = "E. Africa Daylight Time"	61f0fed9443dcb45bb44a8dd5692542c5ef746e2dfae12cde5c284d963c5eb91.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-731 = "Fiji Daylight Time"	61f0fed9443dcb45bb44a8dd5692542c5ef746e2dfae12cde5c284d963c5eb91.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-272 = "Greenwich Standard Time"	61f0fed9443dcb45bb44a8dd5692542c5ef746e2dfae12cde5c284d963c5eb91.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-721 = "Central Pacific Daylight Time"	61f0fed9443dcb45bb44a8dd5692542c5ef746e2dfae12cde5c284d963c5eb91.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-71 = "Newfoundland Daylight Time"	61f0fed9443dcb45bb44a8dd5692542c5ef746e2dfae12cde5c284d963c5eb91.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-121 = "SA Pacific Daylight Time"	61f0fed9443dcb45bb44a8dd5692542c5ef746e2dfae12cde5c284d963c5eb91.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2941 = "Sao Tome Daylight Time"	61f0fed9443dcb45bb44a8dd5692542c5ef746e2dfae12cde5c284d963c5eb91.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

61f0fed9443dcb45bb44a8dd5692542c5ef746e2dfae12cde5c284d963c5eb91.exe61f0fed9443dcb45bb44a8dd5692542c5ef746e2dfae12cde5c284d963c5eb91.exeinjector.execsrss.exe

pid	process
3676	61f0fed9443dcb45bb44a8dd5692542c5ef746e2dfae12cde5c284d963c5eb91.exe
3676	61f0fed9443dcb45bb44a8dd5692542c5ef746e2dfae12cde5c284d963c5eb91.exe
4772	61f0fed9443dcb45bb44a8dd5692542c5ef746e2dfae12cde5c284d963c5eb91.exe
4772	61f0fed9443dcb45bb44a8dd5692542c5ef746e2dfae12cde5c284d963c5eb91.exe
4772	61f0fed9443dcb45bb44a8dd5692542c5ef746e2dfae12cde5c284d963c5eb91.exe
4772	61f0fed9443dcb45bb44a8dd5692542c5ef746e2dfae12cde5c284d963c5eb91.exe
4772	61f0fed9443dcb45bb44a8dd5692542c5ef746e2dfae12cde5c284d963c5eb91.exe
4772	61f0fed9443dcb45bb44a8dd5692542c5ef746e2dfae12cde5c284d963c5eb91.exe
4772	61f0fed9443dcb45bb44a8dd5692542c5ef746e2dfae12cde5c284d963c5eb91.exe
4772	61f0fed9443dcb45bb44a8dd5692542c5ef746e2dfae12cde5c284d963c5eb91.exe
4772	61f0fed9443dcb45bb44a8dd5692542c5ef746e2dfae12cde5c284d963c5eb91.exe
4772	61f0fed9443dcb45bb44a8dd5692542c5ef746e2dfae12cde5c284d963c5eb91.exe
532	injector.exe
532	injector.exe
532	injector.exe
532	injector.exe
532	injector.exe
532	injector.exe
844	csrss.exe
844	csrss.exe
532	injector.exe
532	injector.exe
532	injector.exe
532	injector.exe
532	injector.exe
532	injector.exe
844	csrss.exe
844	csrss.exe
532	injector.exe
532	injector.exe
532	injector.exe
532	injector.exe
532	injector.exe
532	injector.exe
532	injector.exe
532	injector.exe
532	injector.exe
532	injector.exe
532	injector.exe
532	injector.exe
532	injector.exe
532	injector.exe
532	injector.exe
532	injector.exe
532	injector.exe
532	injector.exe
532	injector.exe
532	injector.exe
532	injector.exe
532	injector.exe
532	injector.exe
532	injector.exe
532	injector.exe
532	injector.exe
532	injector.exe
532	injector.exe
532	injector.exe
532	injector.exe
532	injector.exe
532	injector.exe
532	injector.exe
532	injector.exe
532	injector.exe
532	injector.exe

Suspicious use of AdjustPrivilegeToken 17 IoCs

Processes:

61f0fed9443dcb45bb44a8dd5692542c5ef746e2dfae12cde5c284d963c5eb91.exesvchost.execsrss.exe

description	pid	process
Token: SeDebugPrivilege	3676	61f0fed9443dcb45bb44a8dd5692542c5ef746e2dfae12cde5c284d963c5eb91.exe
Token: SeImpersonatePrivilege	3676	61f0fed9443dcb45bb44a8dd5692542c5ef746e2dfae12cde5c284d963c5eb91.exe
Token: SeTcbPrivilege	5080	svchost.exe
Token: SeTcbPrivilege	5080	svchost.exe
Token: SeBackupPrivilege	5080	svchost.exe
Token: SeRestorePrivilege	5080	svchost.exe
Token: SeBackupPrivilege	5080	svchost.exe
Token: SeRestorePrivilege	5080	svchost.exe
Token: SeBackupPrivilege	5080	svchost.exe
Token: SeRestorePrivilege	5080	svchost.exe
Token: SeBackupPrivilege	5080	svchost.exe
Token: SeRestorePrivilege	5080	svchost.exe
Token: SeSystemEnvironmentPrivilege	844	csrss.exe
Token: SeBackupPrivilege	5080	svchost.exe
Token: SeRestorePrivilege	5080	svchost.exe
Token: SeBackupPrivilege	5080	svchost.exe
Token: SeRestorePrivilege	5080	svchost.exe

Suspicious use of WriteProcessMemory 18 IoCs

Processes:

svchost.exe61f0fed9443dcb45bb44a8dd5692542c5ef746e2dfae12cde5c284d963c5eb91.execmd.execsrss.exe

description	pid	process	target process
PID 5080 wrote to memory of 4772	5080	svchost.exe	61f0fed9443dcb45bb44a8dd5692542c5ef746e2dfae12cde5c284d963c5eb91.exe
PID 5080 wrote to memory of 4772	5080	svchost.exe	61f0fed9443dcb45bb44a8dd5692542c5ef746e2dfae12cde5c284d963c5eb91.exe
PID 5080 wrote to memory of 4772	5080	svchost.exe	61f0fed9443dcb45bb44a8dd5692542c5ef746e2dfae12cde5c284d963c5eb91.exe
PID 4772 wrote to memory of 4684	4772	61f0fed9443dcb45bb44a8dd5692542c5ef746e2dfae12cde5c284d963c5eb91.exe	cmd.exe
PID 4772 wrote to memory of 4684	4772	61f0fed9443dcb45bb44a8dd5692542c5ef746e2dfae12cde5c284d963c5eb91.exe	cmd.exe
PID 4684 wrote to memory of 4704	4684	cmd.exe	netsh.exe
PID 4684 wrote to memory of 4704	4684	cmd.exe	netsh.exe
PID 4772 wrote to memory of 844	4772	61f0fed9443dcb45bb44a8dd5692542c5ef746e2dfae12cde5c284d963c5eb91.exe	csrss.exe
PID 4772 wrote to memory of 844	4772	61f0fed9443dcb45bb44a8dd5692542c5ef746e2dfae12cde5c284d963c5eb91.exe	csrss.exe
PID 4772 wrote to memory of 844	4772	61f0fed9443dcb45bb44a8dd5692542c5ef746e2dfae12cde5c284d963c5eb91.exe	csrss.exe
PID 5080 wrote to memory of 1336	5080	svchost.exe	schtasks.exe
PID 5080 wrote to memory of 1336	5080	svchost.exe	schtasks.exe
PID 5080 wrote to memory of 5016	5080	svchost.exe	schtasks.exe
PID 5080 wrote to memory of 5016	5080	svchost.exe	schtasks.exe
PID 844 wrote to memory of 532	844	csrss.exe	injector.exe
PID 844 wrote to memory of 532	844	csrss.exe	injector.exe
PID 5080 wrote to memory of 4756	5080	svchost.exe	schtasks.exe
PID 5080 wrote to memory of 4756	5080	svchost.exe	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\61f0fed9443dcb45bb44a8dd5692542c5ef746e2dfae12cde5c284d963c5eb91.exe
"C:\Users\Admin\AppData\Local\Temp\61f0fed9443dcb45bb44a8dd5692542c5ef746e2dfae12cde5c284d963c5eb91.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3676

C:\Users\Admin\AppData\Local\Temp\61f0fed9443dcb45bb44a8dd5692542c5ef746e2dfae12cde5c284d963c5eb91.exe
"C:\Users\Admin\AppData\Local\Temp\61f0fed9443dcb45bb44a8dd5692542c5ef746e2dfae12cde5c284d963c5eb91.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:4772

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:4684

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:4704

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:844

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:1336

C:\Windows\SYSTEM32\schtasks.exe
schtasks /delete /tn ScheduledUpdate /f
4⤵
PID:5016

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:532

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:4756

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:5080

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

Loading Replay Monitor...

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
4.1MB

MD5
d561d28db0cf1c9f4e8fd6abb22965d4

SHA1
cff03306337c09c2fb7b7370f0aee006ccb4cb44

SHA256
61f0fed9443dcb45bb44a8dd5692542c5ef746e2dfae12cde5c284d963c5eb91

SHA512
daefbbe4436473c6294e5b91b5510a477cb8388c327c9b3d4cbf638f7b4557f385c21c9066ad00986eda6801360dc4a2645a183a7f584334ee4b27ed02a81999

Download Submit
C:\Windows\rss\csrss.exe
Filesize
4.1MB

MD5
d561d28db0cf1c9f4e8fd6abb22965d4

SHA1
cff03306337c09c2fb7b7370f0aee006ccb4cb44

SHA256
61f0fed9443dcb45bb44a8dd5692542c5ef746e2dfae12cde5c284d963c5eb91

SHA512
daefbbe4436473c6294e5b91b5510a477cb8388c327c9b3d4cbf638f7b4557f385c21c9066ad00986eda6801360dc4a2645a183a7f584334ee4b27ed02a81999

Download Submit
memory/532-149-0x0000000000000000-mapping.dmp

Download
memory/844-147-0x0000000005200000-0x00000000055E9000-memory.dmp

Filesize
3.9MB

Download
memory/844-141-0x0000000000000000-mapping.dmp

Download
memory/844-153-0x0000000000400000-0x0000000002F78000-memory.dmp

Filesize
43.5MB

Download
memory/844-148-0x0000000000400000-0x0000000002F78000-memory.dmp

Filesize
43.5MB

Download
memory/1336-145-0x0000000000000000-mapping.dmp

Download
memory/3676-134-0x0000000000400000-0x0000000002F78000-memory.dmp

Filesize
43.5MB

Download
memory/3676-136-0x0000000000400000-0x0000000002F78000-memory.dmp

Filesize
43.5MB

Download
memory/3676-133-0x00000000051E0000-0x0000000005A57000-memory.dmp

Filesize
8.5MB

Download
memory/3676-132-0x0000000004DEC000-0x00000000051D5000-memory.dmp

Filesize
3.9MB

Download
memory/4684-139-0x0000000000000000-mapping.dmp

Download
memory/4704-140-0x0000000000000000-mapping.dmp

Download
memory/4756-152-0x0000000000000000-mapping.dmp

Download
memory/4772-137-0x0000000004C54000-0x000000000503D000-memory.dmp

Filesize
3.9MB

Download
memory/4772-135-0x0000000000000000-mapping.dmp

Download
memory/4772-144-0x0000000000400000-0x0000000002F78000-memory.dmp

Filesize
43.5MB

Download
memory/4772-138-0x0000000000400000-0x0000000002F78000-memory.dmp

Filesize
43.5MB

Download
memory/5016-146-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

Loading Replay Monitor...

Downloads