glupteba | cd161ed759334c2fc9514b3fb77419bd8452d435b8cc3f7fa73679fe4d1c738b

Analysis

max time kernel
170s
max time network
185s
platform
windows10-1703_x64
resource
win10-20220812-en
resource tags

arch:x64arch:x86image:win10-20220812-enlocale:en-usos:windows10-1703-x64system
submitted
03/12/2022, 17:11

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General

Target

cd161ed759334c2fc9514b3fb77419bd8452d435b8cc3f7fa73679fe4d1c738b.exe
Size

4.2MB
MD5

032aaba569b464063ecbd4b64538c747
SHA1

66512ba3bb41785751dad4f9d1fb4554e31da62c
SHA256

cd161ed759334c2fc9514b3fb77419bd8452d435b8cc3f7fa73679fe4d1c738b
SHA512

ce35e7b5868d01cbc190c2786447d6b46e13288d39f3a6f66f1d18fec2d379c95a81f3799af05b74da94726c10950c34e8882ecbb9ecab4b9d2aef1421967be9
SSDEEP

98304:LAINfwoqu/9x0tDBmeG/UuYO8pPsmA4safQJ0GOm:MICQeupeOEPEAfRe

Score

10^/10

glupteba discovery dropper evasion loader persistence trojan

Malware Config

Signatures

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

Windows security bypass 2 TTPs 7 IoCs

evasion trojan

Disabling Security Tools

T1089

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\rss = "0"	cd161ed759334c2fc9514b3fb77419bd8452d435b8cc3f7fa73679fe4d1c738b.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\csrss = "0"	cd161ed759334c2fc9514b3fb77419bd8452d435b8cc3f7fa73679fe4d1c738b.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\windefender.exe = "0"	cd161ed759334c2fc9514b3fb77419bd8452d435b8cc3f7fa73679fe4d1c738b.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\System32\drivers = "0"	cd161ed759334c2fc9514b3fb77419bd8452d435b8cc3f7fa73679fe4d1c738b.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\csrss.exe = "0"	cd161ed759334c2fc9514b3fb77419bd8452d435b8cc3f7fa73679fe4d1c738b.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\windefender.exe = "0"	cd161ed759334c2fc9514b3fb77419bd8452d435b8cc3f7fa73679fe4d1c738b.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\cd161ed759334c2fc9514b3fb77419bd8452d435b8cc3f7fa73679fe4d1c738b.exe = "0"	cd161ed759334c2fc9514b3fb77419bd8452d435b8cc3f7fa73679fe4d1c738b.exe

Executes dropped EXE 2 IoCs

pid	Process
5008	csrss.exe
3308	injector.exe

Modifies Windows Firewall 1 TTPs 1 IoCs

evasion

Modify Existing Service

T1031

pid	Process
4968	netsh.exe

Windows security modification 2 TTPs 7 IoCs

evasion trojan

Disabling Security Tools

T1089

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\csrss.exe = "0"	cd161ed759334c2fc9514b3fb77419bd8452d435b8cc3f7fa73679fe4d1c738b.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\windefender.exe = "0"	cd161ed759334c2fc9514b3fb77419bd8452d435b8cc3f7fa73679fe4d1c738b.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\cd161ed759334c2fc9514b3fb77419bd8452d435b8cc3f7fa73679fe4d1c738b.exe = "0"	cd161ed759334c2fc9514b3fb77419bd8452d435b8cc3f7fa73679fe4d1c738b.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\rss = "0"	cd161ed759334c2fc9514b3fb77419bd8452d435b8cc3f7fa73679fe4d1c738b.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\csrss = "0"	cd161ed759334c2fc9514b3fb77419bd8452d435b8cc3f7fa73679fe4d1c738b.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\windefender.exe = "0"	cd161ed759334c2fc9514b3fb77419bd8452d435b8cc3f7fa73679fe4d1c738b.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\System32\drivers = "0"	cd161ed759334c2fc9514b3fb77419bd8452d435b8cc3f7fa73679fe4d1c738b.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1099808672-3828198950-1535142148-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\""	cd161ed759334c2fc9514b3fb77419bd8452d435b8cc3f7fa73679fe4d1c738b.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1099808672-3828198950-1535142148-1000\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

description	ioc	Process
File opened for modification	C:\Windows\rss	cd161ed759334c2fc9514b3fb77419bd8452d435b8cc3f7fa73679fe4d1c738b.exe
File created	C:\Windows\rss\csrss.exe	cd161ed759334c2fc9514b3fb77419bd8452d435b8cc3f7fa73679fe4d1c738b.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

pid	Process
1312	schtasks.exe
4840	schtasks.exe

Modifies data under HKEY_USERS 64 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-12 = "Azores Standard Time"	cd161ed759334c2fc9514b3fb77419bd8452d435b8cc3f7fa73679fe4d1c738b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-281 = "Central Europe Daylight Time"	cd161ed759334c2fc9514b3fb77419bd8452d435b8cc3f7fa73679fe4d1c738b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-202 = "US Mountain Standard Time"	cd161ed759334c2fc9514b3fb77419bd8452d435b8cc3f7fa73679fe4d1c738b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1971 = "Belarus Daylight Time"	cd161ed759334c2fc9514b3fb77419bd8452d435b8cc3f7fa73679fe4d1c738b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-105 = "Central Brazilian Standard Time"	cd161ed759334c2fc9514b3fb77419bd8452d435b8cc3f7fa73679fe4d1c738b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-252 = "Dateline Standard Time"	cd161ed759334c2fc9514b3fb77419bd8452d435b8cc3f7fa73679fe4d1c738b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2371 = "Easter Island Daylight Time"	cd161ed759334c2fc9514b3fb77419bd8452d435b8cc3f7fa73679fe4d1c738b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-432 = "Iran Standard Time"	cd161ed759334c2fc9514b3fb77419bd8452d435b8cc3f7fa73679fe4d1c738b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-384 = "Namibia Daylight Time"	cd161ed759334c2fc9514b3fb77419bd8452d435b8cc3f7fa73679fe4d1c738b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-381 = "South Africa Daylight Time"	cd161ed759334c2fc9514b3fb77419bd8452d435b8cc3f7fa73679fe4d1c738b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-191 = "Mountain Daylight Time"	cd161ed759334c2fc9514b3fb77419bd8452d435b8cc3f7fa73679fe4d1c738b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-222 = "Alaskan Standard Time"	cd161ed759334c2fc9514b3fb77419bd8452d435b8cc3f7fa73679fe4d1c738b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2161 = "Altai Daylight Time"	cd161ed759334c2fc9514b3fb77419bd8452d435b8cc3f7fa73679fe4d1c738b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-392 = "Arab Standard Time"	cd161ed759334c2fc9514b3fb77419bd8452d435b8cc3f7fa73679fe4d1c738b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-302 = "Romance Standard Time"	cd161ed759334c2fc9514b3fb77419bd8452d435b8cc3f7fa73679fe4d1c738b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1501 = "Turkey Daylight Time"	cd161ed759334c2fc9514b3fb77419bd8452d435b8cc3f7fa73679fe4d1c738b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-721 = "Central Pacific Daylight Time"	cd161ed759334c2fc9514b3fb77419bd8452d435b8cc3f7fa73679fe4d1c738b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-491 = "India Daylight Time"	cd161ed759334c2fc9514b3fb77419bd8452d435b8cc3f7fa73679fe4d1c738b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-532 = "Sri Lanka Standard Time"	cd161ed759334c2fc9514b3fb77419bd8452d435b8cc3f7fa73679fe4d1c738b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-512 = "Central Asia Standard Time"	cd161ed759334c2fc9514b3fb77419bd8452d435b8cc3f7fa73679fe4d1c738b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-162 = "Central Standard Time"	cd161ed759334c2fc9514b3fb77419bd8452d435b8cc3f7fa73679fe4d1c738b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-172 = "Central Standard Time (Mexico)"	cd161ed759334c2fc9514b3fb77419bd8452d435b8cc3f7fa73679fe4d1c738b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2532 = "Chatham Islands Standard Time"	cd161ed759334c2fc9514b3fb77419bd8452d435b8cc3f7fa73679fe4d1c738b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-331 = "E. Europe Daylight Time"	cd161ed759334c2fc9514b3fb77419bd8452d435b8cc3f7fa73679fe4d1c738b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-121 = "SA Pacific Daylight Time"	cd161ed759334c2fc9514b3fb77419bd8452d435b8cc3f7fa73679fe4d1c738b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1722 = "Libya Standard Time"	cd161ed759334c2fc9514b3fb77419bd8452d435b8cc3f7fa73679fe4d1c738b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1021 = "Bangladesh Daylight Time"	cd161ed759334c2fc9514b3fb77419bd8452d435b8cc3f7fa73679fe4d1c738b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-181 = "Mountain Daylight Time (Mexico)"	cd161ed759334c2fc9514b3fb77419bd8452d435b8cc3f7fa73679fe4d1c738b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1661 = "Bahia Daylight Time"	cd161ed759334c2fc9514b3fb77419bd8452d435b8cc3f7fa73679fe4d1c738b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2341 = "Haiti Daylight Time"	cd161ed759334c2fc9514b3fb77419bd8452d435b8cc3f7fa73679fe4d1c738b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2451 = "Saint Pierre Daylight Time"	cd161ed759334c2fc9514b3fb77419bd8452d435b8cc3f7fa73679fe4d1c738b.exe
Key created	\REGISTRY\USER\.DEFAULT\SYSTEM	netsh.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2392 = "Aleutian Standard Time"	cd161ed759334c2fc9514b3fb77419bd8452d435b8cc3f7fa73679fe4d1c738b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1832 = "Russia TZ 2 Standard Time"	cd161ed759334c2fc9514b3fb77419bd8452d435b8cc3f7fa73679fe4d1c738b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-662 = "Cen. Australia Standard Time"	cd161ed759334c2fc9514b3fb77419bd8452d435b8cc3f7fa73679fe4d1c738b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-112 = "Eastern Standard Time"	cd161ed759334c2fc9514b3fb77419bd8452d435b8cc3f7fa73679fe4d1c738b.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"	cd161ed759334c2fc9514b3fb77419bd8452d435b8cc3f7fa73679fe4d1c738b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-982 = "Kamchatka Standard Time"	cd161ed759334c2fc9514b3fb77419bd8452d435b8cc3f7fa73679fe4d1c738b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-741 = "New Zealand Daylight Time"	cd161ed759334c2fc9514b3fb77419bd8452d435b8cc3f7fa73679fe4d1c738b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-92 = "Pacific SA Standard Time"	cd161ed759334c2fc9514b3fb77419bd8452d435b8cc3f7fa73679fe4d1c738b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-131 = "US Eastern Daylight Time"	cd161ed759334c2fc9514b3fb77419bd8452d435b8cc3f7fa73679fe4d1c738b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1471 = "Magadan Daylight Time"	cd161ed759334c2fc9514b3fb77419bd8452d435b8cc3f7fa73679fe4d1c738b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-365 = "Middle East Standard Time"	cd161ed759334c2fc9514b3fb77419bd8452d435b8cc3f7fa73679fe4d1c738b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-591 = "Malay Peninsula Daylight Time"	cd161ed759334c2fc9514b3fb77419bd8452d435b8cc3f7fa73679fe4d1c738b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-841 = "Argentina Daylight Time"	cd161ed759334c2fc9514b3fb77419bd8452d435b8cc3f7fa73679fe4d1c738b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-672 = "AUS Eastern Standard Time"	cd161ed759334c2fc9514b3fb77419bd8452d435b8cc3f7fa73679fe4d1c738b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2002 = "Cabo Verde Standard Time"	cd161ed759334c2fc9514b3fb77419bd8452d435b8cc3f7fa73679fe4d1c738b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2412 = "Marquesas Standard Time"	cd161ed759334c2fc9514b3fb77419bd8452d435b8cc3f7fa73679fe4d1c738b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2411 = "Marquesas Daylight Time"	cd161ed759334c2fc9514b3fb77419bd8452d435b8cc3f7fa73679fe4d1c738b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-872 = "Pakistan Standard Time"	cd161ed759334c2fc9514b3fb77419bd8452d435b8cc3f7fa73679fe4d1c738b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-871 = "Pakistan Daylight Time"	cd161ed759334c2fc9514b3fb77419bd8452d435b8cc3f7fa73679fe4d1c738b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-382 = "South Africa Standard Time"	cd161ed759334c2fc9514b3fb77419bd8452d435b8cc3f7fa73679fe4d1c738b.exe
Key created	\REGISTRY\USER\.DEFAULT\System\CurrentControlSet\Control\NetTrace	netsh.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-572 = "China Standard Time"	cd161ed759334c2fc9514b3fb77419bd8452d435b8cc3f7fa73679fe4d1c738b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-42 = "E. South America Standard Time"	cd161ed759334c2fc9514b3fb77419bd8452d435b8cc3f7fa73679fe4d1c738b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-262 = "GMT Standard Time"	cd161ed759334c2fc9514b3fb77419bd8452d435b8cc3f7fa73679fe4d1c738b.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"	cd161ed759334c2fc9514b3fb77419bd8452d435b8cc3f7fa73679fe4d1c738b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2512 = "Lord Howe Standard Time"	cd161ed759334c2fc9514b3fb77419bd8452d435b8cc3f7fa73679fe4d1c738b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2511 = "Lord Howe Daylight Time"	cd161ed759334c2fc9514b3fb77419bd8452d435b8cc3f7fa73679fe4d1c738b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-402 = "Arabic Standard Time"	cd161ed759334c2fc9514b3fb77419bd8452d435b8cc3f7fa73679fe4d1c738b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1022 = "Bangladesh Standard Time"	cd161ed759334c2fc9514b3fb77419bd8452d435b8cc3f7fa73679fe4d1c738b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-142 = "Canada Central Standard Time"	cd161ed759334c2fc9514b3fb77419bd8452d435b8cc3f7fa73679fe4d1c738b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-182 = "Mountain Standard Time (Mexico)"	cd161ed759334c2fc9514b3fb77419bd8452d435b8cc3f7fa73679fe4d1c738b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2792 = "Novosibirsk Standard Time"	cd161ed759334c2fc9514b3fb77419bd8452d435b8cc3f7fa73679fe4d1c738b.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2904	cd161ed759334c2fc9514b3fb77419bd8452d435b8cc3f7fa73679fe4d1c738b.exe
2904	cd161ed759334c2fc9514b3fb77419bd8452d435b8cc3f7fa73679fe4d1c738b.exe
3576	cd161ed759334c2fc9514b3fb77419bd8452d435b8cc3f7fa73679fe4d1c738b.exe
3576	cd161ed759334c2fc9514b3fb77419bd8452d435b8cc3f7fa73679fe4d1c738b.exe
3576	cd161ed759334c2fc9514b3fb77419bd8452d435b8cc3f7fa73679fe4d1c738b.exe
3576	cd161ed759334c2fc9514b3fb77419bd8452d435b8cc3f7fa73679fe4d1c738b.exe
3576	cd161ed759334c2fc9514b3fb77419bd8452d435b8cc3f7fa73679fe4d1c738b.exe
3576	cd161ed759334c2fc9514b3fb77419bd8452d435b8cc3f7fa73679fe4d1c738b.exe
3576	cd161ed759334c2fc9514b3fb77419bd8452d435b8cc3f7fa73679fe4d1c738b.exe
3576	cd161ed759334c2fc9514b3fb77419bd8452d435b8cc3f7fa73679fe4d1c738b.exe
3576	cd161ed759334c2fc9514b3fb77419bd8452d435b8cc3f7fa73679fe4d1c738b.exe
3576	cd161ed759334c2fc9514b3fb77419bd8452d435b8cc3f7fa73679fe4d1c738b.exe
3308	injector.exe
3308	injector.exe
3308	injector.exe
3308	injector.exe
3308	injector.exe
3308	injector.exe
3308	injector.exe
3308	injector.exe
5008	csrss.exe
5008	csrss.exe
3308	injector.exe
3308	injector.exe
3308	injector.exe
3308	injector.exe
3308	injector.exe
3308	injector.exe
5008	csrss.exe
5008	csrss.exe
3308	injector.exe
3308	injector.exe
3308	injector.exe
3308	injector.exe
3308	injector.exe
3308	injector.exe
3308	injector.exe
3308	injector.exe
3308	injector.exe
3308	injector.exe
3308	injector.exe
3308	injector.exe
3308	injector.exe
3308	injector.exe
3308	injector.exe
3308	injector.exe
3308	injector.exe
3308	injector.exe
3308	injector.exe
3308	injector.exe
3308	injector.exe
3308	injector.exe
3308	injector.exe
3308	injector.exe
3308	injector.exe
3308	injector.exe
3308	injector.exe
3308	injector.exe
3308	injector.exe
3308	injector.exe
3308	injector.exe
3308	injector.exe
3308	injector.exe
3308	injector.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2904	cd161ed759334c2fc9514b3fb77419bd8452d435b8cc3f7fa73679fe4d1c738b.exe
Token: SeImpersonatePrivilege	2904	cd161ed759334c2fc9514b3fb77419bd8452d435b8cc3f7fa73679fe4d1c738b.exe
Token: SeSystemEnvironmentPrivilege	5008	csrss.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 3576 wrote to memory of 3260	3576	cd161ed759334c2fc9514b3fb77419bd8452d435b8cc3f7fa73679fe4d1c738b.exe	70
PID 3576 wrote to memory of 3260	3576	cd161ed759334c2fc9514b3fb77419bd8452d435b8cc3f7fa73679fe4d1c738b.exe	70
PID 3260 wrote to memory of 4968	3260	cmd.exe	72
PID 3260 wrote to memory of 4968	3260	cmd.exe	72
PID 3576 wrote to memory of 5008	3576	cd161ed759334c2fc9514b3fb77419bd8452d435b8cc3f7fa73679fe4d1c738b.exe	73
PID 3576 wrote to memory of 5008	3576	cd161ed759334c2fc9514b3fb77419bd8452d435b8cc3f7fa73679fe4d1c738b.exe	73
PID 3576 wrote to memory of 5008	3576	cd161ed759334c2fc9514b3fb77419bd8452d435b8cc3f7fa73679fe4d1c738b.exe	73
PID 5008 wrote to memory of 3308	5008	csrss.exe	79
PID 5008 wrote to memory of 3308	5008	csrss.exe	79

C:\Users\Admin\AppData\Local\Temp\cd161ed759334c2fc9514b3fb77419bd8452d435b8cc3f7fa73679fe4d1c738b.exe
"C:\Users\Admin\AppData\Local\Temp\cd161ed759334c2fc9514b3fb77419bd8452d435b8cc3f7fa73679fe4d1c738b.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2904
- C:\Users\Admin\AppData\Local\Temp\cd161ed759334c2fc9514b3fb77419bd8452d435b8cc3f7fa73679fe4d1c738b.exe
  "C:\Users\Admin\AppData\Local\Temp\cd161ed759334c2fc9514b3fb77419bd8452d435b8cc3f7fa73679fe4d1c738b.exe"
  2⤵
  - Windows security bypass
  - 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 WriteProcessMemory
  PID:3576
- - 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:3260
  - - 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
      Modifies data under HKEY_USERS
      PID:4968
- - 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:5008
  - - 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:1312
  - - C:\Windows\SYSTEM32\schtasks.exe
      schtasks /delete /tn ScheduledUpdate /f
      4⤵
      PID:1308
  - - 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:3308
  - - 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:4840

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

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

Credential Access

Discovery

Query Registry

T1012

Lateral Movement

Collection

Command and Control

Exfiltration

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
4.2MB

MD5
032aaba569b464063ecbd4b64538c747

SHA1
66512ba3bb41785751dad4f9d1fb4554e31da62c

SHA256
cd161ed759334c2fc9514b3fb77419bd8452d435b8cc3f7fa73679fe4d1c738b

SHA512
ce35e7b5868d01cbc190c2786447d6b46e13288d39f3a6f66f1d18fec2d379c95a81f3799af05b74da94726c10950c34e8882ecbb9ecab4b9d2aef1421967be9

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

Filesize
4.2MB

MD5
032aaba569b464063ecbd4b64538c747

SHA1
66512ba3bb41785751dad4f9d1fb4554e31da62c

SHA256
cd161ed759334c2fc9514b3fb77419bd8452d435b8cc3f7fa73679fe4d1c738b

SHA512
ce35e7b5868d01cbc190c2786447d6b46e13288d39f3a6f66f1d18fec2d379c95a81f3799af05b74da94726c10950c34e8882ecbb9ecab4b9d2aef1421967be9

Download Submit
memory/2904-157-0x0000000077840000-0x00000000779CE000-memory.dmp

Filesize
1.6MB

Download
memory/2904-160-0x0000000077840000-0x00000000779CE000-memory.dmp

Filesize
1.6MB

Download
memory/2904-120-0x0000000077840000-0x00000000779CE000-memory.dmp

Filesize
1.6MB

Download
memory/2904-121-0x0000000077840000-0x00000000779CE000-memory.dmp

Filesize
1.6MB

Download
memory/2904-122-0x0000000077840000-0x00000000779CE000-memory.dmp

Filesize
1.6MB

Download
memory/2904-123-0x0000000077840000-0x00000000779CE000-memory.dmp

Filesize
1.6MB

Download
memory/2904-124-0x0000000077840000-0x00000000779CE000-memory.dmp

Filesize
1.6MB

Download
memory/2904-125-0x0000000077840000-0x00000000779CE000-memory.dmp

Filesize
1.6MB

Download
memory/2904-126-0x0000000077840000-0x00000000779CE000-memory.dmp

Filesize
1.6MB

Download
memory/2904-127-0x0000000077840000-0x00000000779CE000-memory.dmp

Filesize
1.6MB

Download
memory/2904-129-0x0000000077840000-0x00000000779CE000-memory.dmp

Filesize
1.6MB

Download
memory/2904-128-0x0000000077840000-0x00000000779CE000-memory.dmp

Filesize
1.6MB

Download
memory/2904-131-0x0000000001360000-0x000000000174D000-memory.dmp

Filesize
3.9MB

Download
memory/2904-132-0x0000000001750000-0x0000000001FC7000-memory.dmp

Filesize
8.5MB

Download
memory/2904-133-0x0000000077840000-0x00000000779CE000-memory.dmp

Filesize
1.6MB

Download
memory/2904-134-0x0000000077840000-0x00000000779CE000-memory.dmp

Filesize
1.6MB

Download
memory/2904-135-0x0000000077840000-0x00000000779CE000-memory.dmp

Filesize
1.6MB

Download
memory/2904-136-0x0000000077840000-0x00000000779CE000-memory.dmp

Filesize
1.6MB

Download
memory/2904-137-0x0000000077840000-0x00000000779CE000-memory.dmp

Filesize
1.6MB

Download
memory/2904-139-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/2904-138-0x0000000077840000-0x00000000779CE000-memory.dmp

Filesize
1.6MB

Download
memory/2904-140-0x0000000077840000-0x00000000779CE000-memory.dmp

Filesize
1.6MB

Download
memory/2904-141-0x0000000077840000-0x00000000779CE000-memory.dmp

Filesize
1.6MB

Download
memory/2904-142-0x0000000077840000-0x00000000779CE000-memory.dmp

Filesize
1.6MB

Download
memory/2904-143-0x0000000077840000-0x00000000779CE000-memory.dmp

Filesize
1.6MB

Download
memory/2904-144-0x0000000077840000-0x00000000779CE000-memory.dmp

Filesize
1.6MB

Download
memory/2904-145-0x0000000077840000-0x00000000779CE000-memory.dmp

Filesize
1.6MB

Download
memory/2904-146-0x0000000077840000-0x00000000779CE000-memory.dmp

Filesize
1.6MB

Download
memory/2904-147-0x0000000077840000-0x00000000779CE000-memory.dmp

Filesize
1.6MB

Download
memory/2904-148-0x0000000077840000-0x00000000779CE000-memory.dmp

Filesize
1.6MB

Download
memory/2904-149-0x0000000077840000-0x00000000779CE000-memory.dmp

Filesize
1.6MB

Download
memory/2904-150-0x0000000077840000-0x00000000779CE000-memory.dmp

Filesize
1.6MB

Download
memory/2904-151-0x0000000077840000-0x00000000779CE000-memory.dmp

Filesize
1.6MB

Download
memory/2904-152-0x0000000077840000-0x00000000779CE000-memory.dmp

Filesize
1.6MB

Download
memory/2904-153-0x0000000077840000-0x00000000779CE000-memory.dmp

Filesize
1.6MB

Download
memory/2904-154-0x0000000077840000-0x00000000779CE000-memory.dmp

Filesize
1.6MB

Download
memory/2904-155-0x0000000077840000-0x00000000779CE000-memory.dmp

Filesize
1.6MB

Download
memory/2904-156-0x0000000077840000-0x00000000779CE000-memory.dmp

Filesize
1.6MB

Download
memory/2904-118-0x0000000077840000-0x00000000779CE000-memory.dmp

Filesize
1.6MB

Download
memory/2904-158-0x0000000077840000-0x00000000779CE000-memory.dmp

Filesize
1.6MB

Download
memory/2904-119-0x0000000077840000-0x00000000779CE000-memory.dmp

Filesize
1.6MB

Download
memory/2904-161-0x0000000077840000-0x00000000779CE000-memory.dmp

Filesize
1.6MB

Download
memory/2904-159-0x0000000077840000-0x00000000779CE000-memory.dmp

Filesize
1.6MB

Download
memory/2904-162-0x0000000077840000-0x00000000779CE000-memory.dmp

Filesize
1.6MB

Download
memory/2904-163-0x0000000077840000-0x00000000779CE000-memory.dmp

Filesize
1.6MB

Download
memory/2904-164-0x0000000077840000-0x00000000779CE000-memory.dmp

Filesize
1.6MB

Download
memory/2904-165-0x0000000077840000-0x00000000779CE000-memory.dmp

Filesize
1.6MB

Download
memory/2904-166-0x0000000077840000-0x00000000779CE000-memory.dmp

Filesize
1.6MB

Download
memory/2904-168-0x0000000077840000-0x00000000779CE000-memory.dmp

Filesize
1.6MB

Download
memory/2904-169-0x0000000077840000-0x00000000779CE000-memory.dmp

Filesize
1.6MB

Download
memory/2904-170-0x0000000077840000-0x00000000779CE000-memory.dmp

Filesize
1.6MB

Download
memory/2904-171-0x0000000077840000-0x00000000779CE000-memory.dmp

Filesize
1.6MB

Download
memory/2904-172-0x0000000077840000-0x00000000779CE000-memory.dmp

Filesize
1.6MB

Download
memory/2904-173-0x0000000077840000-0x00000000779CE000-memory.dmp

Filesize
1.6MB

Download
memory/2904-174-0x0000000077840000-0x00000000779CE000-memory.dmp

Filesize
1.6MB

Download
memory/2904-175-0x0000000077840000-0x00000000779CE000-memory.dmp

Filesize
1.6MB

Download
memory/2904-176-0x0000000077840000-0x00000000779CE000-memory.dmp

Filesize
1.6MB

Download
memory/2904-177-0x0000000077840000-0x00000000779CE000-memory.dmp

Filesize
1.6MB

Download
memory/2904-178-0x0000000077840000-0x00000000779CE000-memory.dmp

Filesize
1.6MB

Download
memory/2904-167-0x0000000077840000-0x00000000779CE000-memory.dmp

Filesize
1.6MB

Download
memory/2904-179-0x0000000077840000-0x00000000779CE000-memory.dmp

Filesize
1.6MB

Download
memory/2904-180-0x0000000077840000-0x00000000779CE000-memory.dmp

Filesize
1.6MB

Download
memory/2904-181-0x0000000077840000-0x00000000779CE000-memory.dmp

Filesize
1.6MB

Download
memory/2904-182-0x0000000077840000-0x00000000779CE000-memory.dmp

Filesize
1.6MB

Download
memory/2904-183-0x0000000077840000-0x00000000779CE000-memory.dmp

Filesize
1.6MB

Download
memory/2904-197-0x0000000001360000-0x000000000174D000-memory.dmp

Filesize
3.9MB

Download
memory/2904-238-0x0000000001750000-0x0000000001FC7000-memory.dmp

Filesize
8.5MB

Download
memory/2904-243-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/2904-116-0x0000000077840000-0x00000000779CE000-memory.dmp

Filesize
1.6MB

Download
memory/2904-117-0x0000000077840000-0x00000000779CE000-memory.dmp

Filesize
1.6MB

Download
memory/3576-282-0x0000000001320000-0x000000000170D000-memory.dmp

Filesize
3.9MB

Download
memory/3576-283-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/3576-303-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/5008-358-0x0000000001800000-0x0000000001BEA000-memory.dmp

Filesize
3.9MB

Download
memory/5008-359-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/5008-375-0x0000000001800000-0x0000000001BEA000-memory.dmp

Filesize
3.9MB

Download
memory/5008-376-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download