glupteba | aaaa4821fe3e939046ff16339ce5625538c460cc944bc941d12881e89c365c7f

Analysis

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

arch:x64arch:x86image:win10-20220812-enlocale:en-usos:windows10-1703-x64system
submitted
28-01-2023 12:11

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General

Target

aaaa4821fe3e939046ff16339ce5625538c460cc944bc941d12881e89c365c7f.exe
Size

4.1MB
MD5

b4dee8e2cb6be486df92e314750b3564
SHA1

4efb47c646dc64b40a2c3f085127ac961284cde9
SHA256

aaaa4821fe3e939046ff16339ce5625538c460cc944bc941d12881e89c365c7f
SHA512

c990ae3d2e27c5d98bd61e15ad02a94acea205f48bfaca88dd6b9747cd8480de64a279732d2b755a8405da73a38dcc6a613118804b4d1781e42e19e4a50be787
SSDEEP

98304:NBOSV6AtTQL1Almw7Nke40oxogEDJlh7YB+zjGzI97C:NwJ8mwZW0GOJn7KFzP

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

Processes:

aaaa4821fe3e939046ff16339ce5625538c460cc944bc941d12881e89c365c7f.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\rss = "0"	aaaa4821fe3e939046ff16339ce5625538c460cc944bc941d12881e89c365c7f.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\csrss = "0"	aaaa4821fe3e939046ff16339ce5625538c460cc944bc941d12881e89c365c7f.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\windefender.exe = "0"	aaaa4821fe3e939046ff16339ce5625538c460cc944bc941d12881e89c365c7f.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\System32\drivers = "0"	aaaa4821fe3e939046ff16339ce5625538c460cc944bc941d12881e89c365c7f.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\csrss.exe = "0"	aaaa4821fe3e939046ff16339ce5625538c460cc944bc941d12881e89c365c7f.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\windefender.exe = "0"	aaaa4821fe3e939046ff16339ce5625538c460cc944bc941d12881e89c365c7f.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\aaaa4821fe3e939046ff16339ce5625538c460cc944bc941d12881e89c365c7f.exe = "0"	aaaa4821fe3e939046ff16339ce5625538c460cc944bc941d12881e89c365c7f.exe

Executes dropped EXE 2 IoCs

Processes:

csrss.exeinjector.exe

pid process

4292 csrss.exe
668 injector.exe
Modifies Windows Firewall 1 TTPs 1 IoCs
evasion

Modify Existing Service
T1031

Processes:

netsh.exe

pid process

4204 netsh.exe

pid	process
4292	csrss.exe
668	injector.exe

pid	process
4204	netsh.exe

Windows security modification 2 TTPs 7 IoCs

evasion trojan

Disabling Security Tools

T1089

Modify Registry

T1112

Processes:

aaaa4821fe3e939046ff16339ce5625538c460cc944bc941d12881e89c365c7f.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\windefender.exe = "0"	aaaa4821fe3e939046ff16339ce5625538c460cc944bc941d12881e89c365c7f.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\System32\drivers = "0"	aaaa4821fe3e939046ff16339ce5625538c460cc944bc941d12881e89c365c7f.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\csrss.exe = "0"	aaaa4821fe3e939046ff16339ce5625538c460cc944bc941d12881e89c365c7f.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\windefender.exe = "0"	aaaa4821fe3e939046ff16339ce5625538c460cc944bc941d12881e89c365c7f.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\aaaa4821fe3e939046ff16339ce5625538c460cc944bc941d12881e89c365c7f.exe = "0"	aaaa4821fe3e939046ff16339ce5625538c460cc944bc941d12881e89c365c7f.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\rss = "0"	aaaa4821fe3e939046ff16339ce5625538c460cc944bc941d12881e89c365c7f.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\csrss = "0"	aaaa4821fe3e939046ff16339ce5625538c460cc944bc941d12881e89c365c7f.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

aaaa4821fe3e939046ff16339ce5625538c460cc944bc941d12881e89c365c7f.execsrss.exe

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\""	aaaa4821fe3e939046ff16339ce5625538c460cc944bc941d12881e89c365c7f.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

Processes:

aaaa4821fe3e939046ff16339ce5625538c460cc944bc941d12881e89c365c7f.exe

description	ioc	process
File opened for modification	C:\Windows\rss	aaaa4821fe3e939046ff16339ce5625538c460cc944bc941d12881e89c365c7f.exe
File created	C:\Windows\rss\csrss.exe	aaaa4821fe3e939046ff16339ce5625538c460cc944bc941d12881e89c365c7f.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

3888 schtasks.exe
232 schtasks.exe

pid	process
3888	schtasks.exe
232	schtasks.exe

Modifies data under HKEY_USERS 64 IoCs

Processes:

aaaa4821fe3e939046ff16339ce5625538c460cc944bc941d12881e89c365c7f.exenetsh.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-772 = "Montevideo Standard Time"	aaaa4821fe3e939046ff16339ce5625538c460cc944bc941d12881e89c365c7f.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2842 = "Saratov Standard Time"	aaaa4821fe3e939046ff16339ce5625538c460cc944bc941d12881e89c365c7f.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-81 = "Atlantic Daylight Time"	aaaa4821fe3e939046ff16339ce5625538c460cc944bc941d12881e89c365c7f.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-672 = "AUS Eastern Standard Time"	aaaa4821fe3e939046ff16339ce5625538c460cc944bc941d12881e89c365c7f.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1662 = "Bahia Standard Time"	aaaa4821fe3e939046ff16339ce5625538c460cc944bc941d12881e89c365c7f.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-291 = "Central European Daylight Time"	aaaa4821fe3e939046ff16339ce5625538c460cc944bc941d12881e89c365c7f.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-681 = "E. Australia Daylight Time"	aaaa4821fe3e939046ff16339ce5625538c460cc944bc941d12881e89c365c7f.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-241 = "Samoa Daylight Time"	aaaa4821fe3e939046ff16339ce5625538c460cc944bc941d12881e89c365c7f.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-602 = "Taipei Standard Time"	aaaa4821fe3e939046ff16339ce5625538c460cc944bc941d12881e89c365c7f.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2141 = "Transbaikal Daylight Time"	aaaa4821fe3e939046ff16339ce5625538c460cc944bc941d12881e89c365c7f.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-841 = "Argentina Daylight Time"	aaaa4821fe3e939046ff16339ce5625538c460cc944bc941d12881e89c365c7f.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2001 = "Cabo Verde Daylight Time"	aaaa4821fe3e939046ff16339ce5625538c460cc944bc941d12881e89c365c7f.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-732 = "Fiji Standard Time"	aaaa4821fe3e939046ff16339ce5625538c460cc944bc941d12881e89c365c7f.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2631 = "Norfolk Daylight Time"	aaaa4821fe3e939046ff16339ce5625538c460cc944bc941d12881e89c365c7f.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2772 = "Omsk Standard Time"	aaaa4821fe3e939046ff16339ce5625538c460cc944bc941d12881e89c365c7f.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1022 = "Bangladesh Standard Time"	aaaa4821fe3e939046ff16339ce5625538c460cc944bc941d12881e89c365c7f.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"	aaaa4821fe3e939046ff16339ce5625538c460cc944bc941d12881e89c365c7f.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1502 = "Turkey Standard Time"	aaaa4821fe3e939046ff16339ce5625538c460cc944bc941d12881e89c365c7f.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,-131 = "US Eastern Daylight Time"	aaaa4821fe3e939046ff16339ce5625538c460cc944bc941d12881e89c365c7f.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2392 = "Aleutian Standard Time"	aaaa4821fe3e939046ff16339ce5625538c460cc944bc941d12881e89c365c7f.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2182 = "Astrakhan Standard Time"	aaaa4821fe3e939046ff16339ce5625538c460cc944bc941d12881e89c365c7f.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-332 = "E. Europe Standard Time"	aaaa4821fe3e939046ff16339ce5625538c460cc944bc941d12881e89c365c7f.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-334 = "Jordan Daylight Time"	aaaa4821fe3e939046ff16339ce5625538c460cc944bc941d12881e89c365c7f.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-912 = "Mauritius Standard Time"	aaaa4821fe3e939046ff16339ce5625538c460cc944bc941d12881e89c365c7f.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-512 = "Central Asia Standard Time"	aaaa4821fe3e939046ff16339ce5625538c460cc944bc941d12881e89c365c7f.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-351 = "FLE Daylight Time"	aaaa4821fe3e939046ff16339ce5625538c460cc944bc941d12881e89c365c7f.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-385 = "Namibia Standard Time"	aaaa4821fe3e939046ff16339ce5625538c460cc944bc941d12881e89c365c7f.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-91 = "Pacific SA Daylight Time"	aaaa4821fe3e939046ff16339ce5625538c460cc944bc941d12881e89c365c7f.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-691 = "Tasmania Daylight Time"	aaaa4821fe3e939046ff16339ce5625538c460cc944bc941d12881e89c365c7f.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-932 = "Coordinated Universal Time"	aaaa4821fe3e939046ff16339ce5625538c460cc944bc941d12881e89c365c7f.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-911 = "Mauritius Daylight Time"	aaaa4821fe3e939046ff16339ce5625538c460cc944bc941d12881e89c365c7f.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-262 = "GMT Standard Time"	aaaa4821fe3e939046ff16339ce5625538c460cc944bc941d12881e89c365c7f.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-431 = "Iran Daylight Time"	aaaa4821fe3e939046ff16339ce5625538c460cc944bc941d12881e89c365c7f.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-372 = "Jerusalem Standard Time"	aaaa4821fe3e939046ff16339ce5625538c460cc944bc941d12881e89c365c7f.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-71 = "Newfoundland Daylight Time"	aaaa4821fe3e939046ff16339ce5625538c460cc944bc941d12881e89c365c7f.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2322 = "Sakhalin Standard Time"	aaaa4821fe3e939046ff16339ce5625538c460cc944bc941d12881e89c365c7f.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-592 = "Malay Peninsula Standard Time"	aaaa4821fe3e939046ff16339ce5625538c460cc944bc941d12881e89c365c7f.exe
Key created	\REGISTRY\USER\.DEFAULT\System\CurrentControlSet\Control\NetTrace\Session	netsh.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2491 = "Aus Central W. Daylight Time"	aaaa4821fe3e939046ff16339ce5625538c460cc944bc941d12881e89c365c7f.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-341 = "Egypt Daylight Time"	aaaa4821fe3e939046ff16339ce5625538c460cc944bc941d12881e89c365c7f.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-365 = "Middle East Standard Time"	aaaa4821fe3e939046ff16339ce5625538c460cc944bc941d12881e89c365c7f.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-662 = "Cen. Australia Standard Time"	aaaa4821fe3e939046ff16339ce5625538c460cc944bc941d12881e89c365c7f.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"	aaaa4821fe3e939046ff16339ce5625538c460cc944bc941d12881e89c365c7f.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-752 = "Tonga Standard Time"	aaaa4821fe3e939046ff16339ce5625538c460cc944bc941d12881e89c365c7f.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-931 = "Coordinated Universal Time"	aaaa4821fe3e939046ff16339ce5625538c460cc944bc941d12881e89c365c7f.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"	aaaa4821fe3e939046ff16339ce5625538c460cc944bc941d12881e89c365c7f.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-141 = "Canada Central Daylight Time"	aaaa4821fe3e939046ff16339ce5625538c460cc944bc941d12881e89c365c7f.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-572 = "China Standard Time"	aaaa4821fe3e939046ff16339ce5625538c460cc944bc941d12881e89c365c7f.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-832 = "SA Eastern Standard Time"	aaaa4821fe3e939046ff16339ce5625538c460cc944bc941d12881e89c365c7f.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-842 = "Argentina Standard Time"	aaaa4821fe3e939046ff16339ce5625538c460cc944bc941d12881e89c365c7f.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-151 = "Central America Daylight Time"	aaaa4821fe3e939046ff16339ce5625538c460cc944bc941d12881e89c365c7f.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-261 = "GMT Daylight Time"	aaaa4821fe3e939046ff16339ce5625538c460cc944bc941d12881e89c365c7f.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-391 = "Arab Daylight Time"	aaaa4821fe3e939046ff16339ce5625538c460cc944bc941d12881e89c365c7f.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-271 = "Greenwich Daylight Time"	aaaa4821fe3e939046ff16339ce5625538c460cc944bc941d12881e89c365c7f.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-491 = "India Daylight Time"	aaaa4821fe3e939046ff16339ce5625538c460cc944bc941d12881e89c365c7f.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,-1021 = "Bangladesh Daylight Time"	aaaa4821fe3e939046ff16339ce5625538c460cc944bc941d12881e89c365c7f.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-272 = "Greenwich Standard Time"	aaaa4821fe3e939046ff16339ce5625538c460cc944bc941d12881e89c365c7f.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-981 = "Kamchatka Daylight Time"	aaaa4821fe3e939046ff16339ce5625538c460cc944bc941d12881e89c365c7f.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1722 = "Libya Standard Time"	aaaa4821fe3e939046ff16339ce5625538c460cc944bc941d12881e89c365c7f.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1892 = "Russia TZ 3 Standard Time"	aaaa4821fe3e939046ff16339ce5625538c460cc944bc941d12881e89c365c7f.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-362 = "GTB Standard Time"	aaaa4821fe3e939046ff16339ce5625538c460cc944bc941d12881e89c365c7f.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"	aaaa4821fe3e939046ff16339ce5625538c460cc944bc941d12881e89c365c7f.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

aaaa4821fe3e939046ff16339ce5625538c460cc944bc941d12881e89c365c7f.exeaaaa4821fe3e939046ff16339ce5625538c460cc944bc941d12881e89c365c7f.exeinjector.execsrss.exe

pid	process
2708	aaaa4821fe3e939046ff16339ce5625538c460cc944bc941d12881e89c365c7f.exe
2708	aaaa4821fe3e939046ff16339ce5625538c460cc944bc941d12881e89c365c7f.exe
3860	aaaa4821fe3e939046ff16339ce5625538c460cc944bc941d12881e89c365c7f.exe
3860	aaaa4821fe3e939046ff16339ce5625538c460cc944bc941d12881e89c365c7f.exe
3860	aaaa4821fe3e939046ff16339ce5625538c460cc944bc941d12881e89c365c7f.exe
3860	aaaa4821fe3e939046ff16339ce5625538c460cc944bc941d12881e89c365c7f.exe
3860	aaaa4821fe3e939046ff16339ce5625538c460cc944bc941d12881e89c365c7f.exe
3860	aaaa4821fe3e939046ff16339ce5625538c460cc944bc941d12881e89c365c7f.exe
3860	aaaa4821fe3e939046ff16339ce5625538c460cc944bc941d12881e89c365c7f.exe
3860	aaaa4821fe3e939046ff16339ce5625538c460cc944bc941d12881e89c365c7f.exe
3860	aaaa4821fe3e939046ff16339ce5625538c460cc944bc941d12881e89c365c7f.exe
3860	aaaa4821fe3e939046ff16339ce5625538c460cc944bc941d12881e89c365c7f.exe
668	injector.exe
668	injector.exe
668	injector.exe
668	injector.exe
668	injector.exe
668	injector.exe
668	injector.exe
668	injector.exe
4292	csrss.exe
4292	csrss.exe
668	injector.exe
668	injector.exe
668	injector.exe
668	injector.exe
668	injector.exe
668	injector.exe
4292	csrss.exe
4292	csrss.exe
668	injector.exe
668	injector.exe
668	injector.exe
668	injector.exe
668	injector.exe
668	injector.exe
668	injector.exe
668	injector.exe
668	injector.exe
668	injector.exe
668	injector.exe
668	injector.exe
668	injector.exe
668	injector.exe
668	injector.exe
668	injector.exe
668	injector.exe
668	injector.exe
668	injector.exe
668	injector.exe
668	injector.exe
668	injector.exe
668	injector.exe
668	injector.exe
668	injector.exe
668	injector.exe
668	injector.exe
668	injector.exe
668	injector.exe
668	injector.exe
668	injector.exe
668	injector.exe
668	injector.exe
668	injector.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

aaaa4821fe3e939046ff16339ce5625538c460cc944bc941d12881e89c365c7f.execsrss.exe

description	pid	process
Token: SeDebugPrivilege	2708	aaaa4821fe3e939046ff16339ce5625538c460cc944bc941d12881e89c365c7f.exe
Token: SeImpersonatePrivilege	2708	aaaa4821fe3e939046ff16339ce5625538c460cc944bc941d12881e89c365c7f.exe
Token: SeSystemEnvironmentPrivilege	4292	csrss.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

aaaa4821fe3e939046ff16339ce5625538c460cc944bc941d12881e89c365c7f.execmd.execsrss.exe

description	pid	process	target process
PID 3860 wrote to memory of 4648	3860	aaaa4821fe3e939046ff16339ce5625538c460cc944bc941d12881e89c365c7f.exe	cmd.exe
PID 3860 wrote to memory of 4648	3860	aaaa4821fe3e939046ff16339ce5625538c460cc944bc941d12881e89c365c7f.exe	cmd.exe
PID 4648 wrote to memory of 4204	4648	cmd.exe	netsh.exe
PID 4648 wrote to memory of 4204	4648	cmd.exe	netsh.exe
PID 3860 wrote to memory of 4292	3860	aaaa4821fe3e939046ff16339ce5625538c460cc944bc941d12881e89c365c7f.exe	csrss.exe
PID 3860 wrote to memory of 4292	3860	aaaa4821fe3e939046ff16339ce5625538c460cc944bc941d12881e89c365c7f.exe	csrss.exe
PID 3860 wrote to memory of 4292	3860	aaaa4821fe3e939046ff16339ce5625538c460cc944bc941d12881e89c365c7f.exe	csrss.exe
PID 4292 wrote to memory of 668	4292	csrss.exe	injector.exe
PID 4292 wrote to memory of 668	4292	csrss.exe	injector.exe

C:\Users\Admin\AppData\Local\Temp\aaaa4821fe3e939046ff16339ce5625538c460cc944bc941d12881e89c365c7f.exe
"C:\Users\Admin\AppData\Local\Temp\aaaa4821fe3e939046ff16339ce5625538c460cc944bc941d12881e89c365c7f.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2708

C:\Users\Admin\AppData\Local\Temp\aaaa4821fe3e939046ff16339ce5625538c460cc944bc941d12881e89c365c7f.exe
"C:\Users\Admin\AppData\Local\Temp\aaaa4821fe3e939046ff16339ce5625538c460cc944bc941d12881e89c365c7f.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:3860

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:4648

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:4204

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:4292

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:3888

C:\Windows\SYSTEM32\schtasks.exe
schtasks /delete /tn ScheduledUpdate /f
4⤵
PID:1228

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:668

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:232

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
b4dee8e2cb6be486df92e314750b3564

SHA1
4efb47c646dc64b40a2c3f085127ac961284cde9

SHA256
aaaa4821fe3e939046ff16339ce5625538c460cc944bc941d12881e89c365c7f

SHA512
c990ae3d2e27c5d98bd61e15ad02a94acea205f48bfaca88dd6b9747cd8480de64a279732d2b755a8405da73a38dcc6a613118804b4d1781e42e19e4a50be787

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

MD5
b4dee8e2cb6be486df92e314750b3564

SHA1
4efb47c646dc64b40a2c3f085127ac961284cde9

SHA256
aaaa4821fe3e939046ff16339ce5625538c460cc944bc941d12881e89c365c7f

SHA512
c990ae3d2e27c5d98bd61e15ad02a94acea205f48bfaca88dd6b9747cd8480de64a279732d2b755a8405da73a38dcc6a613118804b4d1781e42e19e4a50be787

Download Submit
memory/668-373-0x0000000000000000-mapping.dmp

Download
memory/2708-155-0x0000000077AD0000-0x0000000077C5E000-memory.dmp

Filesize
1.6MB

Download
memory/2708-151-0x0000000077AD0000-0x0000000077C5E000-memory.dmp

Filesize
1.6MB

Download
memory/2708-119-0x0000000077AD0000-0x0000000077C5E000-memory.dmp

Filesize
1.6MB

Download
memory/2708-120-0x0000000077AD0000-0x0000000077C5E000-memory.dmp

Filesize
1.6MB

Download
memory/2708-121-0x0000000077AD0000-0x0000000077C5E000-memory.dmp

Filesize
1.6MB

Download
memory/2708-122-0x0000000077AD0000-0x0000000077C5E000-memory.dmp

Filesize
1.6MB

Download
memory/2708-123-0x0000000077AD0000-0x0000000077C5E000-memory.dmp

Filesize
1.6MB

Download
memory/2708-124-0x0000000077AD0000-0x0000000077C5E000-memory.dmp

Filesize
1.6MB

Download
memory/2708-125-0x0000000077AD0000-0x0000000077C5E000-memory.dmp

Filesize
1.6MB

Download
memory/2708-126-0x0000000077AD0000-0x0000000077C5E000-memory.dmp

Filesize
1.6MB

Download
memory/2708-127-0x0000000077AD0000-0x0000000077C5E000-memory.dmp

Filesize
1.6MB

Download
memory/2708-156-0x0000000077AD0000-0x0000000077C5E000-memory.dmp

Filesize
1.6MB

Download
memory/2708-129-0x0000000077AD0000-0x0000000077C5E000-memory.dmp

Filesize
1.6MB

Download
memory/2708-131-0x0000000077AD0000-0x0000000077C5E000-memory.dmp

Filesize
1.6MB

Download
memory/2708-132-0x0000000002BD0000-0x0000000002FBF000-memory.dmp

Filesize
3.9MB

Download
memory/2708-134-0x0000000077AD0000-0x0000000077C5E000-memory.dmp

Filesize
1.6MB

Download
memory/2708-133-0x0000000077AD0000-0x0000000077C5E000-memory.dmp

Filesize
1.6MB

Download
memory/2708-135-0x0000000002FC0000-0x0000000003837000-memory.dmp

Filesize
8.5MB

Download
memory/2708-136-0x0000000077AD0000-0x0000000077C5E000-memory.dmp

Filesize
1.6MB

Download
memory/2708-137-0x0000000077AD0000-0x0000000077C5E000-memory.dmp

Filesize
1.6MB

Download
memory/2708-138-0x0000000077AD0000-0x0000000077C5E000-memory.dmp

Filesize
1.6MB

Download
memory/2708-139-0x0000000077AD0000-0x0000000077C5E000-memory.dmp

Filesize
1.6MB

Download
memory/2708-140-0x0000000077AD0000-0x0000000077C5E000-memory.dmp

Filesize
1.6MB

Download
memory/2708-141-0x0000000077AD0000-0x0000000077C5E000-memory.dmp

Filesize
1.6MB

Download
memory/2708-142-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/2708-143-0x0000000077AD0000-0x0000000077C5E000-memory.dmp

Filesize
1.6MB

Download
memory/2708-144-0x0000000077AD0000-0x0000000077C5E000-memory.dmp

Filesize
1.6MB

Download
memory/2708-145-0x0000000077AD0000-0x0000000077C5E000-memory.dmp

Filesize
1.6MB

Download
memory/2708-146-0x0000000077AD0000-0x0000000077C5E000-memory.dmp

Filesize
1.6MB

Download
memory/2708-147-0x0000000077AD0000-0x0000000077C5E000-memory.dmp

Filesize
1.6MB

Download
memory/2708-148-0x0000000077AD0000-0x0000000077C5E000-memory.dmp

Filesize
1.6MB

Download
memory/2708-149-0x0000000077AD0000-0x0000000077C5E000-memory.dmp

Filesize
1.6MB

Download
memory/2708-150-0x0000000077AD0000-0x0000000077C5E000-memory.dmp

Filesize
1.6MB

Download
memory/2708-158-0x0000000077AD0000-0x0000000077C5E000-memory.dmp

Filesize
1.6MB

Download
memory/2708-152-0x0000000077AD0000-0x0000000077C5E000-memory.dmp

Filesize
1.6MB

Download
memory/2708-153-0x0000000077AD0000-0x0000000077C5E000-memory.dmp

Filesize
1.6MB

Download
memory/2708-154-0x0000000077AD0000-0x0000000077C5E000-memory.dmp

Filesize
1.6MB

Download
memory/2708-117-0x0000000077AD0000-0x0000000077C5E000-memory.dmp

Filesize
1.6MB

Download
memory/2708-128-0x0000000077AD0000-0x0000000077C5E000-memory.dmp

Filesize
1.6MB

Download
memory/2708-115-0x0000000077AD0000-0x0000000077C5E000-memory.dmp

Filesize
1.6MB

Download
memory/2708-118-0x0000000077AD0000-0x0000000077C5E000-memory.dmp

Filesize
1.6MB

Download
memory/2708-159-0x0000000077AD0000-0x0000000077C5E000-memory.dmp

Filesize
1.6MB

Download
memory/2708-160-0x0000000077AD0000-0x0000000077C5E000-memory.dmp

Filesize
1.6MB

Download
memory/2708-161-0x0000000077AD0000-0x0000000077C5E000-memory.dmp

Filesize
1.6MB

Download
memory/2708-162-0x0000000077AD0000-0x0000000077C5E000-memory.dmp

Filesize
1.6MB

Download
memory/2708-163-0x0000000077AD0000-0x0000000077C5E000-memory.dmp

Filesize
1.6MB

Download
memory/2708-164-0x0000000077AD0000-0x0000000077C5E000-memory.dmp

Filesize
1.6MB

Download
memory/2708-165-0x0000000077AD0000-0x0000000077C5E000-memory.dmp

Filesize
1.6MB

Download
memory/2708-166-0x0000000077AD0000-0x0000000077C5E000-memory.dmp

Filesize
1.6MB

Download
memory/2708-167-0x0000000077AD0000-0x0000000077C5E000-memory.dmp

Filesize
1.6MB

Download
memory/2708-168-0x0000000077AD0000-0x0000000077C5E000-memory.dmp

Filesize
1.6MB

Download
memory/2708-169-0x0000000077AD0000-0x0000000077C5E000-memory.dmp

Filesize
1.6MB

Download
memory/2708-170-0x0000000077AD0000-0x0000000077C5E000-memory.dmp

Filesize
1.6MB

Download
memory/2708-171-0x0000000077AD0000-0x0000000077C5E000-memory.dmp

Filesize
1.6MB

Download
memory/2708-172-0x0000000077AD0000-0x0000000077C5E000-memory.dmp

Filesize
1.6MB

Download
memory/2708-173-0x0000000077AD0000-0x0000000077C5E000-memory.dmp

Filesize
1.6MB

Download
memory/2708-174-0x0000000077AD0000-0x0000000077C5E000-memory.dmp

Filesize
1.6MB

Download
memory/2708-175-0x0000000077AD0000-0x0000000077C5E000-memory.dmp

Filesize
1.6MB

Download
memory/2708-176-0x0000000077AD0000-0x0000000077C5E000-memory.dmp

Filesize
1.6MB

Download
memory/2708-177-0x0000000077AD0000-0x0000000077C5E000-memory.dmp

Filesize
1.6MB

Download
memory/2708-178-0x0000000077AD0000-0x0000000077C5E000-memory.dmp

Filesize
1.6MB

Download
memory/2708-180-0x0000000077AD0000-0x0000000077C5E000-memory.dmp

Filesize
1.6MB

Download
memory/2708-181-0x0000000077AD0000-0x0000000077C5E000-memory.dmp

Filesize
1.6MB

Download
memory/2708-179-0x0000000077AD0000-0x0000000077C5E000-memory.dmp

Filesize
1.6MB

Download
memory/2708-182-0x0000000077AD0000-0x0000000077C5E000-memory.dmp

Filesize
1.6MB

Download
memory/2708-238-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/2708-242-0x0000000002FC0000-0x0000000003837000-memory.dmp

Filesize
8.5MB

Download
memory/2708-157-0x0000000077AD0000-0x0000000077C5E000-memory.dmp

Filesize
1.6MB

Download
memory/2708-116-0x0000000077AD0000-0x0000000077C5E000-memory.dmp

Filesize
1.6MB

Download
memory/3860-303-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/3860-294-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/3860-293-0x0000000002920000-0x0000000002D0A000-memory.dmp

Filesize
3.9MB

Download
memory/4204-295-0x0000000000000000-mapping.dmp

Download
memory/4292-297-0x0000000000000000-mapping.dmp

Download
memory/4292-356-0x0000000002E00000-0x00000000031EA000-memory.dmp

Filesize
3.9MB

Download
memory/4292-357-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/4292-379-0x0000000002E00000-0x00000000031EA000-memory.dmp

Filesize
3.9MB

Download
memory/4292-380-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/4648-292-0x0000000000000000-mapping.dmp

Download