glupteba | bac656d231228951da95598955b26e5e96204226ca6d5861456a53b3e6c8d5a2

General

Target

bac656d231228951da95598955b26e5e96204226ca6d5861456a53b3e6c8d5a2.exe
Size

4.0MB
MD5

c3679f83359ed6cd25cbd4571fa5f936
SHA1

80dbc038b067e08fd4df1029883a2689f14c3b91
SHA256

bac656d231228951da95598955b26e5e96204226ca6d5861456a53b3e6c8d5a2
SHA512

4b2faf20cb8fcf6d1d26d50168230dbe3b9258c5f62e292c5260f38ee1e395dedac6952710015415bd9979b7bb8beb8094e6439ac2d46291b3de8c7c94dcc471
SSDEEP

98304:NCOb6eX8O55MtK/D8z1KHchr3tRqHoJ2SpiZ+Hp3a/:8kX5v/LchjtRqH4piZMa/

Score

10^/10

glupteba 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 1 IoCs

Processes:

svchost.exe

description pid process target process

PID 3456 created 2136 3456 svchost.exe bac656d231228951da95598955b26e5e96204226ca6d5861456a53b3e6c8d5a2.exe
Executes dropped EXE 1 IoCs

Processes:

csrss.exe

pid process

840 csrss.exe
Modifies Windows Firewall 1 TTPs 1 IoCs
evasion

Modify Existing Service
T1031

Processes:

netsh.exe

pid process

1340 netsh.exe

description	pid	process	target process
PID 3456 created 2136	3456	svchost.exe	bac656d231228951da95598955b26e5e96204226ca6d5861456a53b3e6c8d5a2.exe

pid	process
840	csrss.exe

pid	process
1340	netsh.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

bac656d231228951da95598955b26e5e96204226ca6d5861456a53b3e6c8d5a2.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\""	bac656d231228951da95598955b26e5e96204226ca6d5861456a53b3e6c8d5a2.exe

Drops file in Windows directory 2 IoCs

Processes:

bac656d231228951da95598955b26e5e96204226ca6d5861456a53b3e6c8d5a2.exe

description	ioc	process
File opened for modification	C:\Windows\rss	bac656d231228951da95598955b26e5e96204226ca6d5861456a53b3e6c8d5a2.exe
File created	C:\Windows\rss\csrss.exe	bac656d231228951da95598955b26e5e96204226ca6d5861456a53b3e6c8d5a2.exe

Modifies data under HKEY_USERS 64 IoCs

Processes:

bac656d231228951da95598955b26e5e96204226ca6d5861456a53b3e6c8d5a2.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2142 = "Transbaikal Standard Time"	bac656d231228951da95598955b26e5e96204226ca6d5861456a53b3e6c8d5a2.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-292 = "Central European Standard Time"	bac656d231228951da95598955b26e5e96204226ca6d5861456a53b3e6c8d5a2.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-171 = "Central Daylight Time (Mexico)"	bac656d231228951da95598955b26e5e96204226ca6d5861456a53b3e6c8d5a2.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-341 = "Egypt Daylight Time"	bac656d231228951da95598955b26e5e96204226ca6d5861456a53b3e6c8d5a2.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-742 = "New Zealand Standard Time"	bac656d231228951da95598955b26e5e96204226ca6d5861456a53b3e6c8d5a2.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2061 = "North Korea Daylight Time"	bac656d231228951da95598955b26e5e96204226ca6d5861456a53b3e6c8d5a2.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2871 = "Magallanes Daylight Time"	bac656d231228951da95598955b26e5e96204226ca6d5861456a53b3e6c8d5a2.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-71 = "Newfoundland Daylight Time"	bac656d231228951da95598955b26e5e96204226ca6d5861456a53b3e6c8d5a2.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-542 = "Myanmar Standard Time"	bac656d231228951da95598955b26e5e96204226ca6d5861456a53b3e6c8d5a2.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2941 = "Sao Tome Daylight Time"	bac656d231228951da95598955b26e5e96204226ca6d5861456a53b3e6c8d5a2.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-281 = "Central Europe Daylight Time"	bac656d231228951da95598955b26e5e96204226ca6d5861456a53b3e6c8d5a2.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-262 = "GMT Standard Time"	bac656d231228951da95598955b26e5e96204226ca6d5861456a53b3e6c8d5a2.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-52 = "Greenland Standard Time"	bac656d231228951da95598955b26e5e96204226ca6d5861456a53b3e6c8d5a2.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-271 = "Greenwich Daylight Time"	bac656d231228951da95598955b26e5e96204226ca6d5861456a53b3e6c8d5a2.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-92 = "Pacific SA Standard Time"	bac656d231228951da95598955b26e5e96204226ca6d5861456a53b3e6c8d5a2.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-931 = "Coordinated Universal Time"	bac656d231228951da95598955b26e5e96204226ca6d5861456a53b3e6c8d5a2.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-332 = "E. Europe Standard Time"	bac656d231228951da95598955b26e5e96204226ca6d5861456a53b3e6c8d5a2.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-911 = "Mauritius Daylight Time"	bac656d231228951da95598955b26e5e96204226ca6d5861456a53b3e6c8d5a2.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-182 = "Mountain Standard Time (Mexico)"	bac656d231228951da95598955b26e5e96204226ca6d5861456a53b3e6c8d5a2.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-3052 = "Qyzylorda Standard Time"	bac656d231228951da95598955b26e5e96204226ca6d5861456a53b3e6c8d5a2.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-671 = "AUS Eastern Daylight Time"	bac656d231228951da95598955b26e5e96204226ca6d5861456a53b3e6c8d5a2.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-682 = "E. Australia Standard Time"	bac656d231228951da95598955b26e5e96204226ca6d5861456a53b3e6c8d5a2.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-12 = "Azores Standard Time"	bac656d231228951da95598955b26e5e96204226ca6d5861456a53b3e6c8d5a2.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-211 = "Pacific Daylight Time"	bac656d231228951da95598955b26e5e96204226ca6d5861456a53b3e6c8d5a2.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1912 = "Russia TZ 10 Standard Time"	bac656d231228951da95598955b26e5e96204226ca6d5861456a53b3e6c8d5a2.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-291 = "Central European Daylight Time"	bac656d231228951da95598955b26e5e96204226ca6d5861456a53b3e6c8d5a2.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-365 = "Middle East Standard Time"	bac656d231228951da95598955b26e5e96204226ca6d5861456a53b3e6c8d5a2.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-562 = "SE Asia Standard Time"	bac656d231228951da95598955b26e5e96204226ca6d5861456a53b3e6c8d5a2.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-592 = "Malay Peninsula Standard Time"	bac656d231228951da95598955b26e5e96204226ca6d5861456a53b3e6c8d5a2.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2591 = "Tocantins Daylight Time"	bac656d231228951da95598955b26e5e96204226ca6d5861456a53b3e6c8d5a2.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-435 = "Georgian Standard Time"	bac656d231228951da95598955b26e5e96204226ca6d5861456a53b3e6c8d5a2.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1472 = "Magadan Standard Time"	bac656d231228951da95598955b26e5e96204226ca6d5861456a53b3e6c8d5a2.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2872 = "Magallanes Standard Time"	bac656d231228951da95598955b26e5e96204226ca6d5861456a53b3e6c8d5a2.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2632 = "Norfolk Standard Time"	bac656d231228951da95598955b26e5e96204226ca6d5861456a53b3e6c8d5a2.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2322 = "Sakhalin Standard Time"	bac656d231228951da95598955b26e5e96204226ca6d5861456a53b3e6c8d5a2.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2182 = "Astrakhan Standard Time"	bac656d231228951da95598955b26e5e96204226ca6d5861456a53b3e6c8d5a2.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-214 = "Pacific Daylight Time (Mexico)"	bac656d231228951da95598955b26e5e96204226ca6d5861456a53b3e6c8d5a2.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1831 = "Russia TZ 2 Daylight Time"	bac656d231228951da95598955b26e5e96204226ca6d5861456a53b3e6c8d5a2.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2392 = "Aleutian Standard Time"	bac656d231228951da95598955b26e5e96204226ca6d5861456a53b3e6c8d5a2.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-402 = "Arabic Standard Time"	bac656d231228951da95598955b26e5e96204226ca6d5861456a53b3e6c8d5a2.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2432 = "Cuba Standard Time"	bac656d231228951da95598955b26e5e96204226ca6d5861456a53b3e6c8d5a2.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2592 = "Tocantins Standard Time"	bac656d231228951da95598955b26e5e96204226ca6d5861456a53b3e6c8d5a2.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-572 = "China Standard Time"	bac656d231228951da95598955b26e5e96204226ca6d5861456a53b3e6c8d5a2.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-731 = "Fiji Daylight Time"	bac656d231228951da95598955b26e5e96204226ca6d5861456a53b3e6c8d5a2.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1802 = "Line Islands Standard Time"	bac656d231228951da95598955b26e5e96204226ca6d5861456a53b3e6c8d5a2.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2751 = "Tomsk Daylight Time"	bac656d231228951da95598955b26e5e96204226ca6d5861456a53b3e6c8d5a2.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-448 = "Azerbaijan Daylight Time"	bac656d231228951da95598955b26e5e96204226ca6d5861456a53b3e6c8d5a2.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-434 = "Georgian Daylight Time"	bac656d231228951da95598955b26e5e96204226ca6d5861456a53b3e6c8d5a2.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1471 = "Magadan Daylight Time"	bac656d231228951da95598955b26e5e96204226ca6d5861456a53b3e6c8d5a2.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-215 = "Pacific Standard Time (Mexico)"	bac656d231228951da95598955b26e5e96204226ca6d5861456a53b3e6c8d5a2.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2892 = "Sudan Standard Time"	bac656d231228951da95598955b26e5e96204226ca6d5861456a53b3e6c8d5a2.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-201 = "US Mountain Daylight Time"	bac656d231228951da95598955b26e5e96204226ca6d5861456a53b3e6c8d5a2.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2001 = "Cabo Verde Daylight Time"	bac656d231228951da95598955b26e5e96204226ca6d5861456a53b3e6c8d5a2.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2041 = "Eastern Daylight Time (Mexico)"	bac656d231228951da95598955b26e5e96204226ca6d5861456a53b3e6c8d5a2.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1871 = "Russia TZ 7 Daylight Time"	bac656d231228951da95598955b26e5e96204226ca6d5861456a53b3e6c8d5a2.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-561 = "SE Asia Daylight Time"	bac656d231228951da95598955b26e5e96204226ca6d5861456a53b3e6c8d5a2.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-631 = "Tokyo Daylight Time"	bac656d231228951da95598955b26e5e96204226ca6d5861456a53b3e6c8d5a2.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2611 = "Bougainville Daylight Time"	bac656d231228951da95598955b26e5e96204226ca6d5861456a53b3e6c8d5a2.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-571 = "China Daylight Time"	bac656d231228951da95598955b26e5e96204226ca6d5861456a53b3e6c8d5a2.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1411 = "Syria Daylight Time"	bac656d231228951da95598955b26e5e96204226ca6d5861456a53b3e6c8d5a2.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-161 = "Central Daylight Time"	bac656d231228951da95598955b26e5e96204226ca6d5861456a53b3e6c8d5a2.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1041 = "Ulaanbaatar Daylight Time"	bac656d231228951da95598955b26e5e96204226ca6d5861456a53b3e6c8d5a2.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-492 = "India Standard Time"	bac656d231228951da95598955b26e5e96204226ca6d5861456a53b3e6c8d5a2.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-91 = "Pacific SA Daylight Time"	bac656d231228951da95598955b26e5e96204226ca6d5861456a53b3e6c8d5a2.exe

Suspicious behavior: EnumeratesProcesses 12 IoCs

Processes:

bac656d231228951da95598955b26e5e96204226ca6d5861456a53b3e6c8d5a2.exebac656d231228951da95598955b26e5e96204226ca6d5861456a53b3e6c8d5a2.exe

pid	process
2136	bac656d231228951da95598955b26e5e96204226ca6d5861456a53b3e6c8d5a2.exe
2136	bac656d231228951da95598955b26e5e96204226ca6d5861456a53b3e6c8d5a2.exe
3364	bac656d231228951da95598955b26e5e96204226ca6d5861456a53b3e6c8d5a2.exe
3364	bac656d231228951da95598955b26e5e96204226ca6d5861456a53b3e6c8d5a2.exe
3364	bac656d231228951da95598955b26e5e96204226ca6d5861456a53b3e6c8d5a2.exe
3364	bac656d231228951da95598955b26e5e96204226ca6d5861456a53b3e6c8d5a2.exe
3364	bac656d231228951da95598955b26e5e96204226ca6d5861456a53b3e6c8d5a2.exe
3364	bac656d231228951da95598955b26e5e96204226ca6d5861456a53b3e6c8d5a2.exe
3364	bac656d231228951da95598955b26e5e96204226ca6d5861456a53b3e6c8d5a2.exe
3364	bac656d231228951da95598955b26e5e96204226ca6d5861456a53b3e6c8d5a2.exe
3364	bac656d231228951da95598955b26e5e96204226ca6d5861456a53b3e6c8d5a2.exe
3364	bac656d231228951da95598955b26e5e96204226ca6d5861456a53b3e6c8d5a2.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

bac656d231228951da95598955b26e5e96204226ca6d5861456a53b3e6c8d5a2.exesvchost.exe

description	pid	process
Token: SeDebugPrivilege	2136	bac656d231228951da95598955b26e5e96204226ca6d5861456a53b3e6c8d5a2.exe
Token: SeImpersonatePrivilege	2136	bac656d231228951da95598955b26e5e96204226ca6d5861456a53b3e6c8d5a2.exe
Token: SeTcbPrivilege	3456	svchost.exe
Token: SeTcbPrivilege	3456	svchost.exe

Suspicious use of WriteProcessMemory 10 IoCs

Processes:

svchost.exebac656d231228951da95598955b26e5e96204226ca6d5861456a53b3e6c8d5a2.execmd.exe

description	pid	process	target process
PID 3456 wrote to memory of 3364	3456	svchost.exe	bac656d231228951da95598955b26e5e96204226ca6d5861456a53b3e6c8d5a2.exe
PID 3456 wrote to memory of 3364	3456	svchost.exe	bac656d231228951da95598955b26e5e96204226ca6d5861456a53b3e6c8d5a2.exe
PID 3456 wrote to memory of 3364	3456	svchost.exe	bac656d231228951da95598955b26e5e96204226ca6d5861456a53b3e6c8d5a2.exe
PID 3364 wrote to memory of 1836	3364	bac656d231228951da95598955b26e5e96204226ca6d5861456a53b3e6c8d5a2.exe	cmd.exe
PID 3364 wrote to memory of 1836	3364	bac656d231228951da95598955b26e5e96204226ca6d5861456a53b3e6c8d5a2.exe	cmd.exe
PID 1836 wrote to memory of 1340	1836	cmd.exe	netsh.exe
PID 1836 wrote to memory of 1340	1836	cmd.exe	netsh.exe
PID 3364 wrote to memory of 840	3364	bac656d231228951da95598955b26e5e96204226ca6d5861456a53b3e6c8d5a2.exe	csrss.exe
PID 3364 wrote to memory of 840	3364	bac656d231228951da95598955b26e5e96204226ca6d5861456a53b3e6c8d5a2.exe	csrss.exe
PID 3364 wrote to memory of 840	3364	bac656d231228951da95598955b26e5e96204226ca6d5861456a53b3e6c8d5a2.exe	csrss.exe

C:\Users\Admin\AppData\Local\Temp\bac656d231228951da95598955b26e5e96204226ca6d5861456a53b3e6c8d5a2.exe
"C:\Users\Admin\AppData\Local\Temp\bac656d231228951da95598955b26e5e96204226ca6d5861456a53b3e6c8d5a2.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2136

C:\Users\Admin\AppData\Local\Temp\bac656d231228951da95598955b26e5e96204226ca6d5861456a53b3e6c8d5a2.exe
"C:\Users\Admin\AppData\Local\Temp\bac656d231228951da95598955b26e5e96204226ca6d5861456a53b3e6c8d5a2.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:3364

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:1836

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:1340

C:\Windows\rss\csrss.exe
C:\Windows\rss\csrss.exe
3⤵
- Executes dropped EXE
PID:840

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:3456

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Modify Existing Service

1

T1031

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

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

MD5
c3679f83359ed6cd25cbd4571fa5f936

SHA1
80dbc038b067e08fd4df1029883a2689f14c3b91

SHA256
bac656d231228951da95598955b26e5e96204226ca6d5861456a53b3e6c8d5a2

SHA512
4b2faf20cb8fcf6d1d26d50168230dbe3b9258c5f62e292c5260f38ee1e395dedac6952710015415bd9979b7bb8beb8094e6439ac2d46291b3de8c7c94dcc471

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

MD5
c3679f83359ed6cd25cbd4571fa5f936

SHA1
80dbc038b067e08fd4df1029883a2689f14c3b91

SHA256
bac656d231228951da95598955b26e5e96204226ca6d5861456a53b3e6c8d5a2

SHA512
4b2faf20cb8fcf6d1d26d50168230dbe3b9258c5f62e292c5260f38ee1e395dedac6952710015415bd9979b7bb8beb8094e6439ac2d46291b3de8c7c94dcc471

Download Submit
memory/840-148-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/840-147-0x0000000002E00000-0x00000000031E9000-memory.dmp

Filesize
3.9MB

Download
memory/840-143-0x0000000000000000-mapping.dmp

Download
memory/1340-142-0x0000000000000000-mapping.dmp

Download
memory/1836-141-0x0000000000000000-mapping.dmp

Download
memory/2136-133-0x0000000002E80000-0x00000000036F7000-memory.dmp

Filesize
8.5MB

Download
memory/2136-134-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/2136-135-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/2136-132-0x0000000002A95000-0x0000000002E7E000-memory.dmp

Filesize
3.9MB

Download
memory/2136-137-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/3364-136-0x0000000000000000-mapping.dmp

Download
memory/3364-140-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/3364-146-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/3364-139-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/3364-138-0x00000000029AE000-0x0000000002D97000-memory.dmp

Filesize
3.9MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads