glupteba | 442ed16927afc11aa4c3df3edd12b05b3832fd8cb666fc17a817b80e020ea831

Analysis

max time kernel
150s
max time network
146s
platform
windows10-1703_x64
resource
win10-20220812-en
resource tags

arch:x64arch:x86image:win10-20220812-enlocale:en-usos:windows10-1703-x64system
submitted
02-02-2023 06:05

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General

Target

442ed16927afc11aa4c3df3edd12b05b3832fd8cb666fc17a817b80e020ea831.exe
Size

4.1MB
MD5

270e7a58b4b8fafa9631eeca55946dc1
SHA1

5e9cf5d09fd43cbd39b44589b606cd33de86dc96
SHA256

442ed16927afc11aa4c3df3edd12b05b3832fd8cb666fc17a817b80e020ea831
SHA512

89cb29215ad1db32705134fc8a3261757461e667d481eda70ef8e1d5fe312071a2898346ea861c8c691c613fa61cbfd5de3afcb0d1b5b88e8cdebf6bc719fa81
SSDEEP

98304:c2WiC63QUVoC4dkRabWXp2H2LBS/2MnpALy94Gulrqb7x:cX44WabWZ2H2QvnpALym8x

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:

442ed16927afc11aa4c3df3edd12b05b3832fd8cb666fc17a817b80e020ea831.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\csrss = "0"	442ed16927afc11aa4c3df3edd12b05b3832fd8cb666fc17a817b80e020ea831.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\windefender.exe = "0"	442ed16927afc11aa4c3df3edd12b05b3832fd8cb666fc17a817b80e020ea831.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\System32\drivers = "0"	442ed16927afc11aa4c3df3edd12b05b3832fd8cb666fc17a817b80e020ea831.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\csrss.exe = "0"	442ed16927afc11aa4c3df3edd12b05b3832fd8cb666fc17a817b80e020ea831.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\windefender.exe = "0"	442ed16927afc11aa4c3df3edd12b05b3832fd8cb666fc17a817b80e020ea831.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\442ed16927afc11aa4c3df3edd12b05b3832fd8cb666fc17a817b80e020ea831.exe = "0"	442ed16927afc11aa4c3df3edd12b05b3832fd8cb666fc17a817b80e020ea831.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\rss = "0"	442ed16927afc11aa4c3df3edd12b05b3832fd8cb666fc17a817b80e020ea831.exe

Executes dropped EXE 2 IoCs

Processes:

csrss.exeinjector.exe

pid process

4732 csrss.exe
4148 injector.exe
Modifies Windows Firewall 1 TTPs 1 IoCs
evasion

Modify Existing Service
T1031

Processes:

netsh.exe

pid process

4712 netsh.exe

pid	process
4732	csrss.exe
4148	injector.exe

pid	process
4712	netsh.exe

Windows security modification 2 TTPs 7 IoCs

evasion trojan

Disabling Security Tools

T1089

Modify Registry

T1112

Processes:

442ed16927afc11aa4c3df3edd12b05b3832fd8cb666fc17a817b80e020ea831.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\rss = "0"	442ed16927afc11aa4c3df3edd12b05b3832fd8cb666fc17a817b80e020ea831.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\csrss = "0"	442ed16927afc11aa4c3df3edd12b05b3832fd8cb666fc17a817b80e020ea831.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\windefender.exe = "0"	442ed16927afc11aa4c3df3edd12b05b3832fd8cb666fc17a817b80e020ea831.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\System32\drivers = "0"	442ed16927afc11aa4c3df3edd12b05b3832fd8cb666fc17a817b80e020ea831.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\csrss.exe = "0"	442ed16927afc11aa4c3df3edd12b05b3832fd8cb666fc17a817b80e020ea831.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\windefender.exe = "0"	442ed16927afc11aa4c3df3edd12b05b3832fd8cb666fc17a817b80e020ea831.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\442ed16927afc11aa4c3df3edd12b05b3832fd8cb666fc17a817b80e020ea831.exe = "0"	442ed16927afc11aa4c3df3edd12b05b3832fd8cb666fc17a817b80e020ea831.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

442ed16927afc11aa4c3df3edd12b05b3832fd8cb666fc17a817b80e020ea831.execsrss.exe

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\""	442ed16927afc11aa4c3df3edd12b05b3832fd8cb666fc17a817b80e020ea831.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

Processes:

442ed16927afc11aa4c3df3edd12b05b3832fd8cb666fc17a817b80e020ea831.exe

description	ioc	process
File opened for modification	C:\Windows\rss	442ed16927afc11aa4c3df3edd12b05b3832fd8cb666fc17a817b80e020ea831.exe
File created	C:\Windows\rss\csrss.exe	442ed16927afc11aa4c3df3edd12b05b3832fd8cb666fc17a817b80e020ea831.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

3376 schtasks.exe
2596 schtasks.exe

pid	process
3376	schtasks.exe
2596	schtasks.exe

Modifies data under HKEY_USERS 64 IoCs

Processes:

442ed16927afc11aa4c3df3edd12b05b3832fd8cb666fc17a817b80e020ea831.exenetsh.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1911 = "Russia TZ 10 Daylight Time"	442ed16927afc11aa4c3df3edd12b05b3832fd8cb666fc17a817b80e020ea831.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"	442ed16927afc11aa4c3df3edd12b05b3832fd8cb666fc17a817b80e020ea831.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2372 = "Easter Island Standard Time"	442ed16927afc11aa4c3df3edd12b05b3832fd8cb666fc17a817b80e020ea831.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-52 = "Greenland Standard Time"	442ed16927afc11aa4c3df3edd12b05b3832fd8cb666fc17a817b80e020ea831.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-541 = "Myanmar Daylight Time"	442ed16927afc11aa4c3df3edd12b05b3832fd8cb666fc17a817b80e020ea831.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-301 = "Romance Daylight Time"	442ed16927afc11aa4c3df3edd12b05b3832fd8cb666fc17a817b80e020ea831.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-561 = "SE Asia Daylight Time"	442ed16927afc11aa4c3df3edd12b05b3832fd8cb666fc17a817b80e020ea831.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-251 = "Dateline Daylight Time"	442ed16927afc11aa4c3df3edd12b05b3832fd8cb666fc17a817b80e020ea831.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1471 = "Magadan Daylight Time"	442ed16927afc11aa4c3df3edd12b05b3832fd8cb666fc17a817b80e020ea831.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-592 = "Malay Peninsula Standard Time"	442ed16927afc11aa4c3df3edd12b05b3832fd8cb666fc17a817b80e020ea831.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2752 = "Tomsk Standard Time"	442ed16927afc11aa4c3df3edd12b05b3832fd8cb666fc17a817b80e020ea831.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-372 = "Jerusalem Standard Time"	442ed16927afc11aa4c3df3edd12b05b3832fd8cb666fc17a817b80e020ea831.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-449 = "Azerbaijan Standard Time"	442ed16927afc11aa4c3df3edd12b05b3832fd8cb666fc17a817b80e020ea831.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-382 = "South Africa Standard Time"	442ed16927afc11aa4c3df3edd12b05b3832fd8cb666fc17a817b80e020ea831.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-401 = "Arabic Daylight Time"	442ed16927afc11aa4c3df3edd12b05b3832fd8cb666fc17a817b80e020ea831.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-181 = "Mountain Daylight Time (Mexico)"	442ed16927afc11aa4c3df3edd12b05b3832fd8cb666fc17a817b80e020ea831.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-531 = "Sri Lanka Daylight Time"	442ed16927afc11aa4c3df3edd12b05b3832fd8cb666fc17a817b80e020ea831.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1501 = "Turkey Daylight Time"	442ed16927afc11aa4c3df3edd12b05b3832fd8cb666fc17a817b80e020ea831.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,-191 = "Mountain Daylight Time"	442ed16927afc11aa4c3df3edd12b05b3832fd8cb666fc17a817b80e020ea831.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1662 = "Bahia Standard Time"	442ed16927afc11aa4c3df3edd12b05b3832fd8cb666fc17a817b80e020ea831.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-51 = "Greenland Daylight Time"	442ed16927afc11aa4c3df3edd12b05b3832fd8cb666fc17a817b80e020ea831.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-71 = "Newfoundland Daylight Time"	442ed16927afc11aa4c3df3edd12b05b3832fd8cb666fc17a817b80e020ea831.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2182 = "Astrakhan Standard Time"	442ed16927afc11aa4c3df3edd12b05b3832fd8cb666fc17a817b80e020ea831.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-201 = "US Mountain Daylight Time"	442ed16927afc11aa4c3df3edd12b05b3832fd8cb666fc17a817b80e020ea831.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,-2771 = "Omsk Daylight Time"	442ed16927afc11aa4c3df3edd12b05b3832fd8cb666fc17a817b80e020ea831.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-892 = "Morocco Standard Time"	442ed16927afc11aa4c3df3edd12b05b3832fd8cb666fc17a817b80e020ea831.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-501 = "Nepal Daylight Time"	442ed16927afc11aa4c3df3edd12b05b3832fd8cb666fc17a817b80e020ea831.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2571 = "Turks and Caicos Daylight Time"	442ed16927afc11aa4c3df3edd12b05b3832fd8cb666fc17a817b80e020ea831.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-681 = "E. Australia Daylight Time"	442ed16927afc11aa4c3df3edd12b05b3832fd8cb666fc17a817b80e020ea831.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-652 = "AUS Central Standard Time"	442ed16927afc11aa4c3df3edd12b05b3832fd8cb666fc17a817b80e020ea831.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-661 = "Cen. Australia Daylight Time"	442ed16927afc11aa4c3df3edd12b05b3832fd8cb666fc17a817b80e020ea831.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-682 = "E. Australia Standard Time"	442ed16927afc11aa4c3df3edd12b05b3832fd8cb666fc17a817b80e020ea831.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2322 = "Sakhalin Standard Time"	442ed16927afc11aa4c3df3edd12b05b3832fd8cb666fc17a817b80e020ea831.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2161 = "Altai Daylight Time"	442ed16927afc11aa4c3df3edd12b05b3832fd8cb666fc17a817b80e020ea831.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-142 = "Canada Central Standard Time"	442ed16927afc11aa4c3df3edd12b05b3832fd8cb666fc17a817b80e020ea831.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-172 = "Central Standard Time (Mexico)"	442ed16927afc11aa4c3df3edd12b05b3832fd8cb666fc17a817b80e020ea831.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,-442 = "Arabian Standard Time"	442ed16927afc11aa4c3df3edd12b05b3832fd8cb666fc17a817b80e020ea831.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-572 = "China Standard Time"	442ed16927afc11aa4c3df3edd12b05b3832fd8cb666fc17a817b80e020ea831.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-341 = "Egypt Daylight Time"	442ed16927afc11aa4c3df3edd12b05b3832fd8cb666fc17a817b80e020ea831.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-961 = "Paraguay Daylight Time"	442ed16927afc11aa4c3df3edd12b05b3832fd8cb666fc17a817b80e020ea831.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-601 = "Taipei Daylight Time"	442ed16927afc11aa4c3df3edd12b05b3832fd8cb666fc17a817b80e020ea831.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-292 = "Central European Standard Time"	442ed16927afc11aa4c3df3edd12b05b3832fd8cb666fc17a817b80e020ea831.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-32 = "Mid-Atlantic Standard Time"	442ed16927afc11aa4c3df3edd12b05b3832fd8cb666fc17a817b80e020ea831.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-392 = "Arab Standard Time"	442ed16927afc11aa4c3df3edd12b05b3832fd8cb666fc17a817b80e020ea831.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-272 = "Greenwich Standard Time"	442ed16927afc11aa4c3df3edd12b05b3832fd8cb666fc17a817b80e020ea831.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-911 = "Mauritius Daylight Time"	442ed16927afc11aa4c3df3edd12b05b3832fd8cb666fc17a817b80e020ea831.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-385 = "Namibia Standard Time"	442ed16927afc11aa4c3df3edd12b05b3832fd8cb666fc17a817b80e020ea831.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-932 = "Coordinated Universal Time"	442ed16927afc11aa4c3df3edd12b05b3832fd8cb666fc17a817b80e020ea831.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1972 = "Belarus Standard Time"	442ed16927afc11aa4c3df3edd12b05b3832fd8cb666fc17a817b80e020ea831.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-281 = "Central Europe Daylight Time"	442ed16927afc11aa4c3df3edd12b05b3832fd8cb666fc17a817b80e020ea831.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2181 = "Astrakhan Daylight Time"	442ed16927afc11aa4c3df3edd12b05b3832fd8cb666fc17a817b80e020ea831.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-334 = "Jordan Daylight Time"	442ed16927afc11aa4c3df3edd12b05b3832fd8cb666fc17a817b80e020ea831.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2591 = "Tocantins Daylight Time"	442ed16927afc11aa4c3df3edd12b05b3832fd8cb666fc17a817b80e020ea831.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-362 = "GTB Standard Time"	442ed16927afc11aa4c3df3edd12b05b3832fd8cb666fc17a817b80e020ea831.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-11 = "Azores Daylight Time"	442ed16927afc11aa4c3df3edd12b05b3832fd8cb666fc17a817b80e020ea831.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-252 = "Dateline Standard Time"	442ed16927afc11aa4c3df3edd12b05b3832fd8cb666fc17a817b80e020ea831.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-335 = "Jordan Standard Time"	442ed16927afc11aa4c3df3edd12b05b3832fd8cb666fc17a817b80e020ea831.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-562 = "SE Asia Standard Time"	442ed16927afc11aa4c3df3edd12b05b3832fd8cb666fc17a817b80e020ea831.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"	442ed16927afc11aa4c3df3edd12b05b3832fd8cb666fc17a817b80e020ea831.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-331 = "E. Europe Daylight Time"	442ed16927afc11aa4c3df3edd12b05b3832fd8cb666fc17a817b80e020ea831.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-435 = "Georgian Standard Time"	442ed16927afc11aa4c3df3edd12b05b3832fd8cb666fc17a817b80e020ea831.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

442ed16927afc11aa4c3df3edd12b05b3832fd8cb666fc17a817b80e020ea831.exe442ed16927afc11aa4c3df3edd12b05b3832fd8cb666fc17a817b80e020ea831.exeinjector.execsrss.exe

pid	process
4936	442ed16927afc11aa4c3df3edd12b05b3832fd8cb666fc17a817b80e020ea831.exe
4936	442ed16927afc11aa4c3df3edd12b05b3832fd8cb666fc17a817b80e020ea831.exe
3568	442ed16927afc11aa4c3df3edd12b05b3832fd8cb666fc17a817b80e020ea831.exe
3568	442ed16927afc11aa4c3df3edd12b05b3832fd8cb666fc17a817b80e020ea831.exe
3568	442ed16927afc11aa4c3df3edd12b05b3832fd8cb666fc17a817b80e020ea831.exe
3568	442ed16927afc11aa4c3df3edd12b05b3832fd8cb666fc17a817b80e020ea831.exe
3568	442ed16927afc11aa4c3df3edd12b05b3832fd8cb666fc17a817b80e020ea831.exe
3568	442ed16927afc11aa4c3df3edd12b05b3832fd8cb666fc17a817b80e020ea831.exe
3568	442ed16927afc11aa4c3df3edd12b05b3832fd8cb666fc17a817b80e020ea831.exe
3568	442ed16927afc11aa4c3df3edd12b05b3832fd8cb666fc17a817b80e020ea831.exe
3568	442ed16927afc11aa4c3df3edd12b05b3832fd8cb666fc17a817b80e020ea831.exe
3568	442ed16927afc11aa4c3df3edd12b05b3832fd8cb666fc17a817b80e020ea831.exe
4148	injector.exe
4148	injector.exe
4148	injector.exe
4148	injector.exe
4148	injector.exe
4148	injector.exe
4148	injector.exe
4148	injector.exe
4732	csrss.exe
4732	csrss.exe
4148	injector.exe
4148	injector.exe
4148	injector.exe
4148	injector.exe
4148	injector.exe
4148	injector.exe
4732	csrss.exe
4732	csrss.exe
4148	injector.exe
4148	injector.exe
4148	injector.exe
4148	injector.exe
4148	injector.exe
4148	injector.exe
4148	injector.exe
4148	injector.exe
4148	injector.exe
4148	injector.exe
4148	injector.exe
4148	injector.exe
4148	injector.exe
4148	injector.exe
4148	injector.exe
4148	injector.exe
4148	injector.exe
4148	injector.exe
4148	injector.exe
4148	injector.exe
4148	injector.exe
4148	injector.exe
4148	injector.exe
4148	injector.exe
4148	injector.exe
4148	injector.exe
4148	injector.exe
4148	injector.exe
4148	injector.exe
4148	injector.exe
4148	injector.exe
4148	injector.exe
4148	injector.exe
4148	injector.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

442ed16927afc11aa4c3df3edd12b05b3832fd8cb666fc17a817b80e020ea831.execsrss.exe

description	pid	process
Token: SeDebugPrivilege	4936	442ed16927afc11aa4c3df3edd12b05b3832fd8cb666fc17a817b80e020ea831.exe
Token: SeImpersonatePrivilege	4936	442ed16927afc11aa4c3df3edd12b05b3832fd8cb666fc17a817b80e020ea831.exe
Token: SeSystemEnvironmentPrivilege	4732	csrss.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

442ed16927afc11aa4c3df3edd12b05b3832fd8cb666fc17a817b80e020ea831.execmd.execsrss.exe

description	pid	process	target process
PID 3568 wrote to memory of 3152	3568	442ed16927afc11aa4c3df3edd12b05b3832fd8cb666fc17a817b80e020ea831.exe	cmd.exe
PID 3568 wrote to memory of 3152	3568	442ed16927afc11aa4c3df3edd12b05b3832fd8cb666fc17a817b80e020ea831.exe	cmd.exe
PID 3152 wrote to memory of 4712	3152	cmd.exe	netsh.exe
PID 3152 wrote to memory of 4712	3152	cmd.exe	netsh.exe
PID 3568 wrote to memory of 4732	3568	442ed16927afc11aa4c3df3edd12b05b3832fd8cb666fc17a817b80e020ea831.exe	csrss.exe
PID 3568 wrote to memory of 4732	3568	442ed16927afc11aa4c3df3edd12b05b3832fd8cb666fc17a817b80e020ea831.exe	csrss.exe
PID 3568 wrote to memory of 4732	3568	442ed16927afc11aa4c3df3edd12b05b3832fd8cb666fc17a817b80e020ea831.exe	csrss.exe
PID 4732 wrote to memory of 4148	4732	csrss.exe	injector.exe
PID 4732 wrote to memory of 4148	4732	csrss.exe	injector.exe

C:\Users\Admin\AppData\Local\Temp\442ed16927afc11aa4c3df3edd12b05b3832fd8cb666fc17a817b80e020ea831.exe
"C:\Users\Admin\AppData\Local\Temp\442ed16927afc11aa4c3df3edd12b05b3832fd8cb666fc17a817b80e020ea831.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4936

C:\Users\Admin\AppData\Local\Temp\442ed16927afc11aa4c3df3edd12b05b3832fd8cb666fc17a817b80e020ea831.exe
"C:\Users\Admin\AppData\Local\Temp\442ed16927afc11aa4c3df3edd12b05b3832fd8cb666fc17a817b80e020ea831.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:3568

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:3152

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:4712

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:4732

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:3376

C:\Windows\SYSTEM32\schtasks.exe
schtasks /delete /tn ScheduledUpdate /f
4⤵
PID:3380

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:4148

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:2596

Network

MITRE ATT&CK Matrix ATT&CK 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

Exfiltration

Command and Control

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
270e7a58b4b8fafa9631eeca55946dc1

SHA1
5e9cf5d09fd43cbd39b44589b606cd33de86dc96

SHA256
442ed16927afc11aa4c3df3edd12b05b3832fd8cb666fc17a817b80e020ea831

SHA512
89cb29215ad1db32705134fc8a3261757461e667d481eda70ef8e1d5fe312071a2898346ea861c8c691c613fa61cbfd5de3afcb0d1b5b88e8cdebf6bc719fa81

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

MD5
270e7a58b4b8fafa9631eeca55946dc1

SHA1
5e9cf5d09fd43cbd39b44589b606cd33de86dc96

SHA256
442ed16927afc11aa4c3df3edd12b05b3832fd8cb666fc17a817b80e020ea831

SHA512
89cb29215ad1db32705134fc8a3261757461e667d481eda70ef8e1d5fe312071a2898346ea861c8c691c613fa61cbfd5de3afcb0d1b5b88e8cdebf6bc719fa81

Download Submit
memory/3152-295-0x0000000000000000-mapping.dmp

Download
memory/3568-261-0x0000000002A70000-0x0000000002E67000-memory.dmp

Filesize
4.0MB

Download
memory/3568-297-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/3568-304-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/4148-377-0x0000000000000000-mapping.dmp

Download
memory/4712-296-0x0000000000000000-mapping.dmp

Download
memory/4732-299-0x0000000000000000-mapping.dmp

Download
memory/4732-328-0x00000000030F0000-0x0000000003967000-memory.dmp

Filesize
8.5MB

Download
memory/4732-326-0x0000000002D00000-0x00000000030EA000-memory.dmp

Filesize
3.9MB

Download
memory/4732-356-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/4732-380-0x0000000002D00000-0x00000000030EA000-memory.dmp

Filesize
3.9MB

Download
memory/4732-384-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/4936-154-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/4936-161-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/4936-129-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/4936-130-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/4936-132-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/4936-133-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/4936-134-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/4936-135-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/4936-136-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/4936-131-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/4936-138-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/4936-139-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/4936-140-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/4936-141-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/4936-142-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/4936-143-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/4936-144-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/4936-145-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/4936-146-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/4936-148-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/4936-147-0x0000000002BD0000-0x0000000002FC3000-memory.dmp

Filesize
3.9MB

Download
memory/4936-149-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/4936-150-0x0000000002FD0000-0x0000000003847000-memory.dmp

Filesize
8.5MB

Download
memory/4936-151-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/4936-152-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/4936-153-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/4936-127-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/4936-155-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/4936-156-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/4936-157-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/4936-158-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/4936-159-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/4936-160-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/4936-128-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/4936-162-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/4936-163-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/4936-164-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/4936-165-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/4936-166-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/4936-167-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/4936-168-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/4936-169-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/4936-170-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/4936-171-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/4936-172-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/4936-173-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/4936-174-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/4936-175-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/4936-176-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/4936-177-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/4936-178-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/4936-179-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/4936-126-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/4936-125-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/4936-124-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/4936-123-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/4936-122-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/4936-121-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/4936-120-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/4936-119-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/4936-118-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/4936-117-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/4936-116-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/4936-180-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/4936-181-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/4936-182-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/4936-183-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/4936-244-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download