glupteba | 82731d64bc4b03de0e59f310d2d9b102b92de385a35198f23a6af0b7a34e4a36

Analysis

max time kernel
150s
max time network
149s
platform
windows10-1703_x64
resource
win10-20220812-en
resource tags

arch:x64arch:x86image:win10-20220812-enlocale:en-usos:windows10-1703-x64system
submitted
08/02/2023, 05:45

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General

Target

82731d64bc4b03de0e59f310d2d9b102b92de385a35198f23a6af0b7a34e4a36.exe
Size

4.1MB
MD5

0fad3a97b8c1c3efe3ad266fb7735c3c
SHA1

26351ac752857f5be66e1188223bc723eeec1e05
SHA256

82731d64bc4b03de0e59f310d2d9b102b92de385a35198f23a6af0b7a34e4a36
SHA512

a4e4b5a286b2c302654ec3f711a0454fd3b28c2390e16829f058eef1e9b6f276024882bfe26cb76d4f762b925c5b94cb6a4c2cb130a534bc703485421d328c81
SSDEEP

98304:u2UXIGTI8ZPfSskTpNqEW0oyJPMfltxva57VMxayMH:+YG5aNi07JkLZ+7VdT

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:\Users\Admin\AppData\Local\Temp\csrss = "0"	82731d64bc4b03de0e59f310d2d9b102b92de385a35198f23a6af0b7a34e4a36.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\windefender.exe = "0"	82731d64bc4b03de0e59f310d2d9b102b92de385a35198f23a6af0b7a34e4a36.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\System32\drivers = "0"	82731d64bc4b03de0e59f310d2d9b102b92de385a35198f23a6af0b7a34e4a36.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\csrss.exe = "0"	82731d64bc4b03de0e59f310d2d9b102b92de385a35198f23a6af0b7a34e4a36.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\windefender.exe = "0"	82731d64bc4b03de0e59f310d2d9b102b92de385a35198f23a6af0b7a34e4a36.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\82731d64bc4b03de0e59f310d2d9b102b92de385a35198f23a6af0b7a34e4a36.exe = "0"	82731d64bc4b03de0e59f310d2d9b102b92de385a35198f23a6af0b7a34e4a36.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\rss = "0"	82731d64bc4b03de0e59f310d2d9b102b92de385a35198f23a6af0b7a34e4a36.exe

Modifies Windows Firewall 1 TTPs 1 IoCs

evasion

Modify Existing Service

T1031

pid	Process
3884	netsh.exe

Executes dropped EXE 2 IoCs

pid	Process
712	csrss.exe
780	injector.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\windefender.exe = "0"	82731d64bc4b03de0e59f310d2d9b102b92de385a35198f23a6af0b7a34e4a36.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\82731d64bc4b03de0e59f310d2d9b102b92de385a35198f23a6af0b7a34e4a36.exe = "0"	82731d64bc4b03de0e59f310d2d9b102b92de385a35198f23a6af0b7a34e4a36.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\rss = "0"	82731d64bc4b03de0e59f310d2d9b102b92de385a35198f23a6af0b7a34e4a36.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\csrss = "0"	82731d64bc4b03de0e59f310d2d9b102b92de385a35198f23a6af0b7a34e4a36.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\windefender.exe = "0"	82731d64bc4b03de0e59f310d2d9b102b92de385a35198f23a6af0b7a34e4a36.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\System32\drivers = "0"	82731d64bc4b03de0e59f310d2d9b102b92de385a35198f23a6af0b7a34e4a36.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\csrss.exe = "0"	82731d64bc4b03de0e59f310d2d9b102b92de385a35198f23a6af0b7a34e4a36.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-1-5-21-3844063266-715245855-4050956231-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\""	82731d64bc4b03de0e59f310d2d9b102b92de385a35198f23a6af0b7a34e4a36.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3844063266-715245855-4050956231-1000\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	82731d64bc4b03de0e59f310d2d9b102b92de385a35198f23a6af0b7a34e4a36.exe
File created	C:\Windows\rss\csrss.exe	82731d64bc4b03de0e59f310d2d9b102b92de385a35198f23a6af0b7a34e4a36.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
4540	schtasks.exe
204	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,-31 = "Mid-Atlantic Daylight Time"	82731d64bc4b03de0e59f310d2d9b102b92de385a35198f23a6af0b7a34e4a36.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-771 = "Montevideo Daylight Time"	82731d64bc4b03de0e59f310d2d9b102b92de385a35198f23a6af0b7a34e4a36.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-602 = "Taipei Standard Time"	82731d64bc4b03de0e59f310d2d9b102b92de385a35198f23a6af0b7a34e4a36.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-461 = "Afghanistan Daylight Time"	82731d64bc4b03de0e59f310d2d9b102b92de385a35198f23a6af0b7a34e4a36.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2182 = "Astrakhan Standard Time"	82731d64bc4b03de0e59f310d2d9b102b92de385a35198f23a6af0b7a34e4a36.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-572 = "China Standard Time"	82731d64bc4b03de0e59f310d2d9b102b92de385a35198f23a6af0b7a34e4a36.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-341 = "Egypt Daylight Time"	82731d64bc4b03de0e59f310d2d9b102b92de385a35198f23a6af0b7a34e4a36.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-231 = "Hawaiian Daylight Time"	82731d64bc4b03de0e59f310d2d9b102b92de385a35198f23a6af0b7a34e4a36.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2512 = "Lord Howe Standard Time"	82731d64bc4b03de0e59f310d2d9b102b92de385a35198f23a6af0b7a34e4a36.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2572 = "Turks and Caicos Standard Time"	82731d64bc4b03de0e59f310d2d9b102b92de385a35198f23a6af0b7a34e4a36.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2002 = "Cabo Verde Standard Time"	82731d64bc4b03de0e59f310d2d9b102b92de385a35198f23a6af0b7a34e4a36.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-892 = "Morocco Standard Time"	82731d64bc4b03de0e59f310d2d9b102b92de385a35198f23a6af0b7a34e4a36.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-561 = "SE Asia Daylight Time"	82731d64bc4b03de0e59f310d2d9b102b92de385a35198f23a6af0b7a34e4a36.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2752 = "Tomsk Standard Time"	82731d64bc4b03de0e59f310d2d9b102b92de385a35198f23a6af0b7a34e4a36.exe
Key created	\REGISTRY\USER\.DEFAULT\System\CurrentControlSet\Control	netsh.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-222 = "Alaskan Standard Time"	82731d64bc4b03de0e59f310d2d9b102b92de385a35198f23a6af0b7a34e4a36.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-962 = "Paraguay Standard Time"	82731d64bc4b03de0e59f310d2d9b102b92de385a35198f23a6af0b7a34e4a36.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2431 = "Cuba Daylight Time"	82731d64bc4b03de0e59f310d2d9b102b92de385a35198f23a6af0b7a34e4a36.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-121 = "SA Pacific Daylight Time"	82731d64bc4b03de0e59f310d2d9b102b92de385a35198f23a6af0b7a34e4a36.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-291 = "Central European Daylight Time"	82731d64bc4b03de0e59f310d2d9b102b92de385a35198f23a6af0b7a34e4a36.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1822 = "Russia TZ 1 Standard Time"	82731d64bc4b03de0e59f310d2d9b102b92de385a35198f23a6af0b7a34e4a36.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-282 = "Central Europe Standard Time"	82731d64bc4b03de0e59f310d2d9b102b92de385a35198f23a6af0b7a34e4a36.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1841 = "Russia TZ 4 Daylight Time"	82731d64bc4b03de0e59f310d2d9b102b92de385a35198f23a6af0b7a34e4a36.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"	82731d64bc4b03de0e59f310d2d9b102b92de385a35198f23a6af0b7a34e4a36.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-631 = "Tokyo Daylight Time"	82731d64bc4b03de0e59f310d2d9b102b92de385a35198f23a6af0b7a34e4a36.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2392 = "Aleutian Standard Time"	82731d64bc4b03de0e59f310d2d9b102b92de385a35198f23a6af0b7a34e4a36.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2042 = "Eastern Standard Time (Mexico)"	82731d64bc4b03de0e59f310d2d9b102b92de385a35198f23a6af0b7a34e4a36.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2412 = "Marquesas Standard Time"	82731d64bc4b03de0e59f310d2d9b102b92de385a35198f23a6af0b7a34e4a36.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2751 = "Tomsk Daylight Time"	82731d64bc4b03de0e59f310d2d9b102b92de385a35198f23a6af0b7a34e4a36.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1042 = "Ulaanbaatar Standard Time"	82731d64bc4b03de0e59f310d2d9b102b92de385a35198f23a6af0b7a34e4a36.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-434 = "Georgian Daylight Time"	82731d64bc4b03de0e59f310d2d9b102b92de385a35198f23a6af0b7a34e4a36.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-531 = "Sri Lanka Daylight Time"	82731d64bc4b03de0e59f310d2d9b102b92de385a35198f23a6af0b7a34e4a36.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,-571 = "China Daylight Time"	82731d64bc4b03de0e59f310d2d9b102b92de385a35198f23a6af0b7a34e4a36.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-51 = "Greenland Daylight Time"	82731d64bc4b03de0e59f310d2d9b102b92de385a35198f23a6af0b7a34e4a36.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1722 = "Libya Standard Time"	82731d64bc4b03de0e59f310d2d9b102b92de385a35198f23a6af0b7a34e4a36.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-871 = "Pakistan Daylight Time"	82731d64bc4b03de0e59f310d2d9b102b92de385a35198f23a6af0b7a34e4a36.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-831 = "SA Eastern Daylight Time"	82731d64bc4b03de0e59f310d2d9b102b92de385a35198f23a6af0b7a34e4a36.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-661 = "Cen. Australia Daylight Time"	82731d64bc4b03de0e59f310d2d9b102b92de385a35198f23a6af0b7a34e4a36.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2342 = "Haiti Standard Time"	82731d64bc4b03de0e59f310d2d9b102b92de385a35198f23a6af0b7a34e4a36.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2771 = "Omsk Daylight Time"	82731d64bc4b03de0e59f310d2d9b102b92de385a35198f23a6af0b7a34e4a36.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-301 = "Romance Daylight Time"	82731d64bc4b03de0e59f310d2d9b102b92de385a35198f23a6af0b7a34e4a36.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2612 = "Bougainville Standard Time"	82731d64bc4b03de0e59f310d2d9b102b92de385a35198f23a6af0b7a34e4a36.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-511 = "Central Asia Daylight Time"	82731d64bc4b03de0e59f310d2d9b102b92de385a35198f23a6af0b7a34e4a36.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2432 = "Cuba Standard Time"	82731d64bc4b03de0e59f310d2d9b102b92de385a35198f23a6af0b7a34e4a36.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-251 = "Dateline Daylight Time"	82731d64bc4b03de0e59f310d2d9b102b92de385a35198f23a6af0b7a34e4a36.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-384 = "Namibia Daylight Time"	82731d64bc4b03de0e59f310d2d9b102b92de385a35198f23a6af0b7a34e4a36.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1022 = "Bangladesh Standard Time"	82731d64bc4b03de0e59f310d2d9b102b92de385a35198f23a6af0b7a34e4a36.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-262 = "GMT Standard Time"	82731d64bc4b03de0e59f310d2d9b102b92de385a35198f23a6af0b7a34e4a36.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-32 = "Mid-Atlantic Standard Time"	82731d64bc4b03de0e59f310d2d9b102b92de385a35198f23a6af0b7a34e4a36.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2792 = "Novosibirsk Standard Time"	82731d64bc4b03de0e59f310d2d9b102b92de385a35198f23a6af0b7a34e4a36.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2062 = "North Korea Standard Time"	82731d64bc4b03de0e59f310d2d9b102b92de385a35198f23a6af0b7a34e4a36.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1971 = "Belarus Daylight Time"	82731d64bc4b03de0e59f310d2d9b102b92de385a35198f23a6af0b7a34e4a36.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2532 = "Chatham Islands Standard Time"	82731d64bc4b03de0e59f310d2d9b102b92de385a35198f23a6af0b7a34e4a36.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-364 = "Middle East Daylight Time"	82731d64bc4b03de0e59f310d2d9b102b92de385a35198f23a6af0b7a34e4a36.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-502 = "Nepal Standard Time"	82731d64bc4b03de0e59f310d2d9b102b92de385a35198f23a6af0b7a34e4a36.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"	82731d64bc4b03de0e59f310d2d9b102b92de385a35198f23a6af0b7a34e4a36.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-449 = "Azerbaijan Standard Time"	82731d64bc4b03de0e59f310d2d9b102b92de385a35198f23a6af0b7a34e4a36.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1972 = "Belarus Standard Time"	82731d64bc4b03de0e59f310d2d9b102b92de385a35198f23a6af0b7a34e4a36.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-382 = "South Africa Standard Time"	82731d64bc4b03de0e59f310d2d9b102b92de385a35198f23a6af0b7a34e4a36.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2142 = "Transbaikal Standard Time"	82731d64bc4b03de0e59f310d2d9b102b92de385a35198f23a6af0b7a34e4a36.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2591 = "Tocantins Daylight Time"	82731d64bc4b03de0e59f310d2d9b102b92de385a35198f23a6af0b7a34e4a36.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-104 = "Central Brazilian Daylight Time"	82731d64bc4b03de0e59f310d2d9b102b92de385a35198f23a6af0b7a34e4a36.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-411 = "E. Africa Daylight Time"	82731d64bc4b03de0e59f310d2d9b102b92de385a35198f23a6af0b7a34e4a36.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2664	82731d64bc4b03de0e59f310d2d9b102b92de385a35198f23a6af0b7a34e4a36.exe
2664	82731d64bc4b03de0e59f310d2d9b102b92de385a35198f23a6af0b7a34e4a36.exe
348	82731d64bc4b03de0e59f310d2d9b102b92de385a35198f23a6af0b7a34e4a36.exe
348	82731d64bc4b03de0e59f310d2d9b102b92de385a35198f23a6af0b7a34e4a36.exe
348	82731d64bc4b03de0e59f310d2d9b102b92de385a35198f23a6af0b7a34e4a36.exe
348	82731d64bc4b03de0e59f310d2d9b102b92de385a35198f23a6af0b7a34e4a36.exe
348	82731d64bc4b03de0e59f310d2d9b102b92de385a35198f23a6af0b7a34e4a36.exe
348	82731d64bc4b03de0e59f310d2d9b102b92de385a35198f23a6af0b7a34e4a36.exe
348	82731d64bc4b03de0e59f310d2d9b102b92de385a35198f23a6af0b7a34e4a36.exe
348	82731d64bc4b03de0e59f310d2d9b102b92de385a35198f23a6af0b7a34e4a36.exe
348	82731d64bc4b03de0e59f310d2d9b102b92de385a35198f23a6af0b7a34e4a36.exe
348	82731d64bc4b03de0e59f310d2d9b102b92de385a35198f23a6af0b7a34e4a36.exe
780	injector.exe
780	injector.exe
780	injector.exe
780	injector.exe
780	injector.exe
780	injector.exe
780	injector.exe
780	injector.exe
712	csrss.exe
712	csrss.exe
780	injector.exe
780	injector.exe
780	injector.exe
780	injector.exe
780	injector.exe
780	injector.exe
712	csrss.exe
712	csrss.exe
780	injector.exe
780	injector.exe
780	injector.exe
780	injector.exe
780	injector.exe
780	injector.exe
780	injector.exe
780	injector.exe
780	injector.exe
780	injector.exe
780	injector.exe
780	injector.exe
780	injector.exe
780	injector.exe
780	injector.exe
780	injector.exe
780	injector.exe
780	injector.exe
780	injector.exe
780	injector.exe
780	injector.exe
780	injector.exe
780	injector.exe
780	injector.exe
780	injector.exe
780	injector.exe
780	injector.exe
780	injector.exe
780	injector.exe
780	injector.exe
780	injector.exe
780	injector.exe
780	injector.exe
780	injector.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2664	82731d64bc4b03de0e59f310d2d9b102b92de385a35198f23a6af0b7a34e4a36.exe
Token: SeImpersonatePrivilege	2664	82731d64bc4b03de0e59f310d2d9b102b92de385a35198f23a6af0b7a34e4a36.exe
Token: SeSystemEnvironmentPrivilege	712	csrss.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 348 wrote to memory of 3928	348	82731d64bc4b03de0e59f310d2d9b102b92de385a35198f23a6af0b7a34e4a36.exe	70
PID 348 wrote to memory of 3928	348	82731d64bc4b03de0e59f310d2d9b102b92de385a35198f23a6af0b7a34e4a36.exe	70
PID 3928 wrote to memory of 3884	3928	cmd.exe	72
PID 3928 wrote to memory of 3884	3928	cmd.exe	72
PID 348 wrote to memory of 712	348	82731d64bc4b03de0e59f310d2d9b102b92de385a35198f23a6af0b7a34e4a36.exe	73
PID 348 wrote to memory of 712	348	82731d64bc4b03de0e59f310d2d9b102b92de385a35198f23a6af0b7a34e4a36.exe	73
PID 348 wrote to memory of 712	348	82731d64bc4b03de0e59f310d2d9b102b92de385a35198f23a6af0b7a34e4a36.exe	73
PID 712 wrote to memory of 780	712	csrss.exe	79
PID 712 wrote to memory of 780	712	csrss.exe	79

C:\Users\Admin\AppData\Local\Temp\82731d64bc4b03de0e59f310d2d9b102b92de385a35198f23a6af0b7a34e4a36.exe
"C:\Users\Admin\AppData\Local\Temp\82731d64bc4b03de0e59f310d2d9b102b92de385a35198f23a6af0b7a34e4a36.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2664
- C:\Users\Admin\AppData\Local\Temp\82731d64bc4b03de0e59f310d2d9b102b92de385a35198f23a6af0b7a34e4a36.exe
  "C:\Users\Admin\AppData\Local\Temp\82731d64bc4b03de0e59f310d2d9b102b92de385a35198f23a6af0b7a34e4a36.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:348
- - 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:3928
  - - 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:3884
- - 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:712
  - - 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:4540
  - - C:\Windows\SYSTEM32\schtasks.exe
      schtasks /delete /tn ScheduledUpdate /f
      4⤵
      PID:1784
  - - 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:780
  - - 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:204

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
4.1MB

MD5
0fad3a97b8c1c3efe3ad266fb7735c3c

SHA1
26351ac752857f5be66e1188223bc723eeec1e05

SHA256
82731d64bc4b03de0e59f310d2d9b102b92de385a35198f23a6af0b7a34e4a36

SHA512
a4e4b5a286b2c302654ec3f711a0454fd3b28c2390e16829f058eef1e9b6f276024882bfe26cb76d4f762b925c5b94cb6a4c2cb130a534bc703485421d328c81

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

Filesize
4.1MB

MD5
0fad3a97b8c1c3efe3ad266fb7735c3c

SHA1
26351ac752857f5be66e1188223bc723eeec1e05

SHA256
82731d64bc4b03de0e59f310d2d9b102b92de385a35198f23a6af0b7a34e4a36

SHA512
a4e4b5a286b2c302654ec3f711a0454fd3b28c2390e16829f058eef1e9b6f276024882bfe26cb76d4f762b925c5b94cb6a4c2cb130a534bc703485421d328c81

Download Submit
memory/348-293-0x0000000002B50000-0x0000000002F41000-memory.dmp

Filesize
3.9MB

Download
memory/348-294-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/348-300-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/712-359-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/712-358-0x0000000003200000-0x00000000035EA000-memory.dmp

Filesize
3.9MB

Download
memory/712-378-0x0000000003200000-0x00000000035EA000-memory.dmp

Filesize
3.9MB

Download
memory/712-379-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/2664-153-0x00000000775D0000-0x000000007775E000-memory.dmp

Filesize
1.6MB

Download
memory/2664-160-0x00000000775D0000-0x000000007775E000-memory.dmp

Filesize
1.6MB

Download
memory/2664-126-0x00000000775D0000-0x000000007775E000-memory.dmp

Filesize
1.6MB

Download
memory/2664-127-0x00000000775D0000-0x000000007775E000-memory.dmp

Filesize
1.6MB

Download
memory/2664-128-0x00000000775D0000-0x000000007775E000-memory.dmp

Filesize
1.6MB

Download
memory/2664-129-0x00000000775D0000-0x000000007775E000-memory.dmp

Filesize
1.6MB

Download
memory/2664-130-0x00000000775D0000-0x000000007775E000-memory.dmp

Filesize
1.6MB

Download
memory/2664-131-0x00000000775D0000-0x000000007775E000-memory.dmp

Filesize
1.6MB

Download
memory/2664-132-0x00000000775D0000-0x000000007775E000-memory.dmp

Filesize
1.6MB

Download
memory/2664-133-0x00000000775D0000-0x000000007775E000-memory.dmp

Filesize
1.6MB

Download
memory/2664-134-0x00000000775D0000-0x000000007775E000-memory.dmp

Filesize
1.6MB

Download
memory/2664-135-0x00000000775D0000-0x000000007775E000-memory.dmp

Filesize
1.6MB

Download
memory/2664-136-0x00000000775D0000-0x000000007775E000-memory.dmp

Filesize
1.6MB

Download
memory/2664-137-0x00000000775D0000-0x000000007775E000-memory.dmp

Filesize
1.6MB

Download
memory/2664-138-0x00000000775D0000-0x000000007775E000-memory.dmp

Filesize
1.6MB

Download
memory/2664-140-0x00000000775D0000-0x000000007775E000-memory.dmp

Filesize
1.6MB

Download
memory/2664-141-0x00000000775D0000-0x000000007775E000-memory.dmp

Filesize
1.6MB

Download
memory/2664-142-0x00000000775D0000-0x000000007775E000-memory.dmp

Filesize
1.6MB

Download
memory/2664-143-0x00000000775D0000-0x000000007775E000-memory.dmp

Filesize
1.6MB

Download
memory/2664-144-0x00000000775D0000-0x000000007775E000-memory.dmp

Filesize
1.6MB

Download
memory/2664-145-0x00000000775D0000-0x000000007775E000-memory.dmp

Filesize
1.6MB

Download
memory/2664-146-0x00000000775D0000-0x000000007775E000-memory.dmp

Filesize
1.6MB

Download
memory/2664-147-0x00000000775D0000-0x000000007775E000-memory.dmp

Filesize
1.6MB

Download
memory/2664-148-0x0000000002B60000-0x0000000002F50000-memory.dmp

Filesize
3.9MB

Download
memory/2664-149-0x0000000002F50000-0x00000000037C7000-memory.dmp

Filesize
8.5MB

Download
memory/2664-150-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/2664-151-0x00000000775D0000-0x000000007775E000-memory.dmp

Filesize
1.6MB

Download
memory/2664-124-0x00000000775D0000-0x000000007775E000-memory.dmp

Filesize
1.6MB

Download
memory/2664-152-0x00000000775D0000-0x000000007775E000-memory.dmp

Filesize
1.6MB

Download
memory/2664-154-0x00000000775D0000-0x000000007775E000-memory.dmp

Filesize
1.6MB

Download
memory/2664-155-0x00000000775D0000-0x000000007775E000-memory.dmp

Filesize
1.6MB

Download
memory/2664-156-0x00000000775D0000-0x000000007775E000-memory.dmp

Filesize
1.6MB

Download
memory/2664-157-0x00000000775D0000-0x000000007775E000-memory.dmp

Filesize
1.6MB

Download
memory/2664-158-0x00000000775D0000-0x000000007775E000-memory.dmp

Filesize
1.6MB

Download
memory/2664-159-0x00000000775D0000-0x000000007775E000-memory.dmp

Filesize
1.6MB

Download
memory/2664-125-0x00000000775D0000-0x000000007775E000-memory.dmp

Filesize
1.6MB

Download
memory/2664-161-0x00000000775D0000-0x000000007775E000-memory.dmp

Filesize
1.6MB

Download
memory/2664-162-0x00000000775D0000-0x000000007775E000-memory.dmp

Filesize
1.6MB

Download
memory/2664-163-0x00000000775D0000-0x000000007775E000-memory.dmp

Filesize
1.6MB

Download
memory/2664-164-0x00000000775D0000-0x000000007775E000-memory.dmp

Filesize
1.6MB

Download
memory/2664-165-0x00000000775D0000-0x000000007775E000-memory.dmp

Filesize
1.6MB

Download
memory/2664-166-0x00000000775D0000-0x000000007775E000-memory.dmp

Filesize
1.6MB

Download
memory/2664-167-0x00000000775D0000-0x000000007775E000-memory.dmp

Filesize
1.6MB

Download
memory/2664-168-0x00000000775D0000-0x000000007775E000-memory.dmp

Filesize
1.6MB

Download
memory/2664-169-0x00000000775D0000-0x000000007775E000-memory.dmp

Filesize
1.6MB

Download
memory/2664-170-0x00000000775D0000-0x000000007775E000-memory.dmp

Filesize
1.6MB

Download
memory/2664-171-0x00000000775D0000-0x000000007775E000-memory.dmp

Filesize
1.6MB

Download
memory/2664-172-0x00000000775D0000-0x000000007775E000-memory.dmp

Filesize
1.6MB

Download
memory/2664-173-0x00000000775D0000-0x000000007775E000-memory.dmp

Filesize
1.6MB

Download
memory/2664-174-0x00000000775D0000-0x000000007775E000-memory.dmp

Filesize
1.6MB

Download
memory/2664-175-0x00000000775D0000-0x000000007775E000-memory.dmp

Filesize
1.6MB

Download
memory/2664-176-0x00000000775D0000-0x000000007775E000-memory.dmp

Filesize
1.6MB

Download
memory/2664-177-0x00000000775D0000-0x000000007775E000-memory.dmp

Filesize
1.6MB

Download
memory/2664-178-0x00000000775D0000-0x000000007775E000-memory.dmp

Filesize
1.6MB

Download
memory/2664-179-0x00000000775D0000-0x000000007775E000-memory.dmp

Filesize
1.6MB

Download
memory/2664-180-0x00000000775D0000-0x000000007775E000-memory.dmp

Filesize
1.6MB

Download
memory/2664-123-0x00000000775D0000-0x000000007775E000-memory.dmp

Filesize
1.6MB

Download
memory/2664-122-0x00000000775D0000-0x000000007775E000-memory.dmp

Filesize
1.6MB

Download
memory/2664-121-0x00000000775D0000-0x000000007775E000-memory.dmp

Filesize
1.6MB

Download
memory/2664-120-0x00000000775D0000-0x000000007775E000-memory.dmp

Filesize
1.6MB

Download
memory/2664-119-0x00000000775D0000-0x000000007775E000-memory.dmp

Filesize
1.6MB

Download
memory/2664-118-0x00000000775D0000-0x000000007775E000-memory.dmp

Filesize
1.6MB

Download
memory/2664-117-0x00000000775D0000-0x000000007775E000-memory.dmp

Filesize
1.6MB

Download
memory/2664-116-0x00000000775D0000-0x000000007775E000-memory.dmp

Filesize
1.6MB

Download
memory/2664-115-0x00000000775D0000-0x000000007775E000-memory.dmp

Filesize
1.6MB

Download
memory/2664-181-0x00000000775D0000-0x000000007775E000-memory.dmp

Filesize
1.6MB

Download
memory/2664-182-0x00000000775D0000-0x000000007775E000-memory.dmp

Filesize
1.6MB

Download
memory/2664-240-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download