glupteba | b09bbeb6b29868ba53b7f88c2d3c15bae0fa1a73e09d1b71bb71a02a56773515

Analysis

max time kernel
150s
max time network
147s
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 00:55

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General

Target

b09bbeb6b29868ba53b7f88c2d3c15bae0fa1a73e09d1b71bb71a02a56773515.exe
Size

4.1MB
MD5

0f6b430de1176275cb7084fc5e5a0454
SHA1

6872dc2bf03e2c6b75d395836c59c7bc7ca839dd
SHA256

b09bbeb6b29868ba53b7f88c2d3c15bae0fa1a73e09d1b71bb71a02a56773515
SHA512

7b3bd05add20b49831585da2fb17ee172a0e88e03583ab9ec6d1053d5daa7f0b01d812459e6b6d4d0c498accf56a869a437a21aa86f9d1e4f831b6c6d7880105
SSDEEP

98304:ifP6JKXgGxPRAyMQc4SUMpUUUoMXvhLnTdH3Y:ifP6cXlStQRuY53G

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:

b09bbeb6b29868ba53b7f88c2d3c15bae0fa1a73e09d1b71bb71a02a56773515.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\windefender.exe = "0"	b09bbeb6b29868ba53b7f88c2d3c15bae0fa1a73e09d1b71bb71a02a56773515.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\System32\drivers = "0"	b09bbeb6b29868ba53b7f88c2d3c15bae0fa1a73e09d1b71bb71a02a56773515.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\csrss.exe = "0"	b09bbeb6b29868ba53b7f88c2d3c15bae0fa1a73e09d1b71bb71a02a56773515.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\windefender.exe = "0"	b09bbeb6b29868ba53b7f88c2d3c15bae0fa1a73e09d1b71bb71a02a56773515.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\b09bbeb6b29868ba53b7f88c2d3c15bae0fa1a73e09d1b71bb71a02a56773515.exe = "0"	b09bbeb6b29868ba53b7f88c2d3c15bae0fa1a73e09d1b71bb71a02a56773515.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\rss = "0"	b09bbeb6b29868ba53b7f88c2d3c15bae0fa1a73e09d1b71bb71a02a56773515.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\csrss = "0"	b09bbeb6b29868ba53b7f88c2d3c15bae0fa1a73e09d1b71bb71a02a56773515.exe

Executes dropped EXE 2 IoCs

Processes:

csrss.exeinjector.exe

pid process

352 csrss.exe
1040 injector.exe
Modifies Windows Firewall 1 TTPs 1 IoCs
evasion

Modify Existing Service
T1031

Processes:

netsh.exe

pid process

4576 netsh.exe

pid	process
352	csrss.exe
1040	injector.exe

pid	process
4576	netsh.exe

Windows security modification 2 TTPs 7 IoCs

evasion trojan

Disabling Security Tools

T1089

Modify Registry

T1112

Processes:

b09bbeb6b29868ba53b7f88c2d3c15bae0fa1a73e09d1b71bb71a02a56773515.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\rss = "0"	b09bbeb6b29868ba53b7f88c2d3c15bae0fa1a73e09d1b71bb71a02a56773515.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\csrss = "0"	b09bbeb6b29868ba53b7f88c2d3c15bae0fa1a73e09d1b71bb71a02a56773515.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\windefender.exe = "0"	b09bbeb6b29868ba53b7f88c2d3c15bae0fa1a73e09d1b71bb71a02a56773515.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\System32\drivers = "0"	b09bbeb6b29868ba53b7f88c2d3c15bae0fa1a73e09d1b71bb71a02a56773515.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\csrss.exe = "0"	b09bbeb6b29868ba53b7f88c2d3c15bae0fa1a73e09d1b71bb71a02a56773515.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\windefender.exe = "0"	b09bbeb6b29868ba53b7f88c2d3c15bae0fa1a73e09d1b71bb71a02a56773515.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\b09bbeb6b29868ba53b7f88c2d3c15bae0fa1a73e09d1b71bb71a02a56773515.exe = "0"	b09bbeb6b29868ba53b7f88c2d3c15bae0fa1a73e09d1b71bb71a02a56773515.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

csrss.exeb09bbeb6b29868ba53b7f88c2d3c15bae0fa1a73e09d1b71bb71a02a56773515.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\""	csrss.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\""	b09bbeb6b29868ba53b7f88c2d3c15bae0fa1a73e09d1b71bb71a02a56773515.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
Legitimate hosting services abused for malware hosting/C2 1 TTPs

Web Service
T1102

Drops file in Windows directory 2 IoCs

Processes:

b09bbeb6b29868ba53b7f88c2d3c15bae0fa1a73e09d1b71bb71a02a56773515.exe

description	ioc	process
File opened for modification	C:\Windows\rss	b09bbeb6b29868ba53b7f88c2d3c15bae0fa1a73e09d1b71bb71a02a56773515.exe
File created	C:\Windows\rss\csrss.exe	b09bbeb6b29868ba53b7f88c2d3c15bae0fa1a73e09d1b71bb71a02a56773515.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

644 schtasks.exe
3388 schtasks.exe

pid	process
644	schtasks.exe
3388	schtasks.exe

Modifies data under HKEY_USERS 64 IoCs

Processes:

csrss.exeb09bbeb6b29868ba53b7f88c2d3c15bae0fa1a73e09d1b71bb71a02a56773515.exenetsh.exe

description	ioc	process
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-31 = "Mid-Atlantic Daylight Time"	b09bbeb6b29868ba53b7f88c2d3c15bae0fa1a73e09d1b71bb71a02a56773515.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-631 = "Tokyo Daylight Time"	b09bbeb6b29868ba53b7f88c2d3c15bae0fa1a73e09d1b71bb71a02a56773515.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-301 = "Romance Daylight Time"	b09bbeb6b29868ba53b7f88c2d3c15bae0fa1a73e09d1b71bb71a02a56773515.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-692 = "Tasmania Standard Time"	b09bbeb6b29868ba53b7f88c2d3c15bae0fa1a73e09d1b71bb71a02a56773515.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2142 = "Transbaikal Standard Time"	b09bbeb6b29868ba53b7f88c2d3c15bae0fa1a73e09d1b71bb71a02a56773515.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-111 = "Eastern Daylight Time"	b09bbeb6b29868ba53b7f88c2d3c15bae0fa1a73e09d1b71bb71a02a56773515.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-911 = "Mauritius Daylight Time"	b09bbeb6b29868ba53b7f88c2d3c15bae0fa1a73e09d1b71bb71a02a56773515.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-541 = "Myanmar Daylight Time"	b09bbeb6b29868ba53b7f88c2d3c15bae0fa1a73e09d1b71bb71a02a56773515.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-502 = "Nepal Standard Time"	b09bbeb6b29868ba53b7f88c2d3c15bae0fa1a73e09d1b71bb71a02a56773515.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-222 = "Alaskan Standard Time"	b09bbeb6b29868ba53b7f88c2d3c15bae0fa1a73e09d1b71bb71a02a56773515.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-342 = "Egypt Standard Time"	b09bbeb6b29868ba53b7f88c2d3c15bae0fa1a73e09d1b71bb71a02a56773515.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-51 = "Greenland Daylight Time"	b09bbeb6b29868ba53b7f88c2d3c15bae0fa1a73e09d1b71bb71a02a56773515.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2061 = "North Korea Daylight Time"	b09bbeb6b29868ba53b7f88c2d3c15bae0fa1a73e09d1b71bb71a02a56773515.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-461 = "Afghanistan Daylight Time"	b09bbeb6b29868ba53b7f88c2d3c15bae0fa1a73e09d1b71bb71a02a56773515.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-12 = "Azores Standard Time"	b09bbeb6b29868ba53b7f88c2d3c15bae0fa1a73e09d1b71bb71a02a56773515.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2141 = "Transbaikal Daylight Time"	b09bbeb6b29868ba53b7f88c2d3c15bae0fa1a73e09d1b71bb71a02a56773515.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"	b09bbeb6b29868ba53b7f88c2d3c15bae0fa1a73e09d1b71bb71a02a56773515.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-448 = "Azerbaijan Daylight Time"	b09bbeb6b29868ba53b7f88c2d3c15bae0fa1a73e09d1b71bb71a02a56773515.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-351 = "FLE Daylight Time"	b09bbeb6b29868ba53b7f88c2d3c15bae0fa1a73e09d1b71bb71a02a56773515.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-384 = "Namibia Daylight Time"	b09bbeb6b29868ba53b7f88c2d3c15bae0fa1a73e09d1b71bb71a02a56773515.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2321 = "Sakhalin Daylight Time"	b09bbeb6b29868ba53b7f88c2d3c15bae0fa1a73e09d1b71bb71a02a56773515.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-932 = "Coordinated Universal Time"	b09bbeb6b29868ba53b7f88c2d3c15bae0fa1a73e09d1b71bb71a02a56773515.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-434 = "Georgian Daylight Time"	b09bbeb6b29868ba53b7f88c2d3c15bae0fa1a73e09d1b71bb71a02a56773515.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-364 = "Middle East Daylight Time"	b09bbeb6b29868ba53b7f88c2d3c15bae0fa1a73e09d1b71bb71a02a56773515.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-371 = "Jerusalem Daylight Time"	b09bbeb6b29868ba53b7f88c2d3c15bae0fa1a73e09d1b71bb71a02a56773515.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-385 = "Namibia Standard Time"	b09bbeb6b29868ba53b7f88c2d3c15bae0fa1a73e09d1b71bb71a02a56773515.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-172 = "Central Standard Time (Mexico)"	b09bbeb6b29868ba53b7f88c2d3c15bae0fa1a73e09d1b71bb71a02a56773515.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2532 = "Chatham Islands Standard Time"	b09bbeb6b29868ba53b7f88c2d3c15bae0fa1a73e09d1b71bb71a02a56773515.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-492 = "India Standard Time"	b09bbeb6b29868ba53b7f88c2d3c15bae0fa1a73e09d1b71bb71a02a56773515.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"	b09bbeb6b29868ba53b7f88c2d3c15bae0fa1a73e09d1b71bb71a02a56773515.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-242 = "Samoa Standard Time"	b09bbeb6b29868ba53b7f88c2d3c15bae0fa1a73e09d1b71bb71a02a56773515.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-931 = "Coordinated Universal Time"	b09bbeb6b29868ba53b7f88c2d3c15bae0fa1a73e09d1b71bb71a02a56773515.exe
Key created	\REGISTRY\USER\.DEFAULT\SYSTEM	netsh.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-82 = "Atlantic Standard Time"	b09bbeb6b29868ba53b7f88c2d3c15bae0fa1a73e09d1b71bb71a02a56773515.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-105 = "Central Brazilian Standard Time"	b09bbeb6b29868ba53b7f88c2d3c15bae0fa1a73e09d1b71bb71a02a56773515.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-982 = "Kamchatka Standard Time"	b09bbeb6b29868ba53b7f88c2d3c15bae0fa1a73e09d1b71bb71a02a56773515.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-542 = "Myanmar Standard Time"	b09bbeb6b29868ba53b7f88c2d3c15bae0fa1a73e09d1b71bb71a02a56773515.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2631 = "Norfolk Daylight Time"	b09bbeb6b29868ba53b7f88c2d3c15bae0fa1a73e09d1b71bb71a02a56773515.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-962 = "Paraguay Standard Time"	b09bbeb6b29868ba53b7f88c2d3c15bae0fa1a73e09d1b71bb71a02a56773515.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-152 = "Central America Standard Time"	b09bbeb6b29868ba53b7f88c2d3c15bae0fa1a73e09d1b71bb71a02a56773515.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-721 = "Central Pacific Daylight Time"	b09bbeb6b29868ba53b7f88c2d3c15bae0fa1a73e09d1b71bb71a02a56773515.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-392 = "Arab Standard Time"	b09bbeb6b29868ba53b7f88c2d3c15bae0fa1a73e09d1b71bb71a02a56773515.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-212 = "Pacific Standard Time"	b09bbeb6b29868ba53b7f88c2d3c15bae0fa1a73e09d1b71bb71a02a56773515.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2632 = "Norfolk Standard Time"	b09bbeb6b29868ba53b7f88c2d3c15bae0fa1a73e09d1b71bb71a02a56773515.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-122 = "SA Pacific Standard Time"	b09bbeb6b29868ba53b7f88c2d3c15bae0fa1a73e09d1b71bb71a02a56773515.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-272 = "Greenwich Standard Time"	b09bbeb6b29868ba53b7f88c2d3c15bae0fa1a73e09d1b71bb71a02a56773515.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2342 = "Haiti Standard Time"	b09bbeb6b29868ba53b7f88c2d3c15bae0fa1a73e09d1b71bb71a02a56773515.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"	b09bbeb6b29868ba53b7f88c2d3c15bae0fa1a73e09d1b71bb71a02a56773515.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-382 = "South Africa Standard Time"	b09bbeb6b29868ba53b7f88c2d3c15bae0fa1a73e09d1b71bb71a02a56773515.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2591 = "Tocantins Daylight Time"	b09bbeb6b29868ba53b7f88c2d3c15bae0fa1a73e09d1b71bb71a02a56773515.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2002 = "Cabo Verde Standard Time"	b09bbeb6b29868ba53b7f88c2d3c15bae0fa1a73e09d1b71bb71a02a56773515.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-742 = "New Zealand Standard Time"	b09bbeb6b29868ba53b7f88c2d3c15bae0fa1a73e09d1b71bb71a02a56773515.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1022 = "Bangladesh Standard Time"	b09bbeb6b29868ba53b7f88c2d3c15bae0fa1a73e09d1b71bb71a02a56773515.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

b09bbeb6b29868ba53b7f88c2d3c15bae0fa1a73e09d1b71bb71a02a56773515.exeb09bbeb6b29868ba53b7f88c2d3c15bae0fa1a73e09d1b71bb71a02a56773515.exeinjector.execsrss.exe

pid	process
2704	b09bbeb6b29868ba53b7f88c2d3c15bae0fa1a73e09d1b71bb71a02a56773515.exe
2704	b09bbeb6b29868ba53b7f88c2d3c15bae0fa1a73e09d1b71bb71a02a56773515.exe
3684	b09bbeb6b29868ba53b7f88c2d3c15bae0fa1a73e09d1b71bb71a02a56773515.exe
3684	b09bbeb6b29868ba53b7f88c2d3c15bae0fa1a73e09d1b71bb71a02a56773515.exe
3684	b09bbeb6b29868ba53b7f88c2d3c15bae0fa1a73e09d1b71bb71a02a56773515.exe
3684	b09bbeb6b29868ba53b7f88c2d3c15bae0fa1a73e09d1b71bb71a02a56773515.exe
3684	b09bbeb6b29868ba53b7f88c2d3c15bae0fa1a73e09d1b71bb71a02a56773515.exe
3684	b09bbeb6b29868ba53b7f88c2d3c15bae0fa1a73e09d1b71bb71a02a56773515.exe
3684	b09bbeb6b29868ba53b7f88c2d3c15bae0fa1a73e09d1b71bb71a02a56773515.exe
3684	b09bbeb6b29868ba53b7f88c2d3c15bae0fa1a73e09d1b71bb71a02a56773515.exe
3684	b09bbeb6b29868ba53b7f88c2d3c15bae0fa1a73e09d1b71bb71a02a56773515.exe
3684	b09bbeb6b29868ba53b7f88c2d3c15bae0fa1a73e09d1b71bb71a02a56773515.exe
1040	injector.exe
1040	injector.exe
1040	injector.exe
1040	injector.exe
1040	injector.exe
1040	injector.exe
1040	injector.exe
1040	injector.exe
352	csrss.exe
352	csrss.exe
1040	injector.exe
1040	injector.exe
1040	injector.exe
1040	injector.exe
1040	injector.exe
1040	injector.exe
352	csrss.exe
352	csrss.exe
1040	injector.exe
1040	injector.exe
1040	injector.exe
1040	injector.exe
1040	injector.exe
1040	injector.exe
1040	injector.exe
1040	injector.exe
1040	injector.exe
1040	injector.exe
1040	injector.exe
1040	injector.exe
1040	injector.exe
1040	injector.exe
1040	injector.exe
1040	injector.exe
1040	injector.exe
1040	injector.exe
1040	injector.exe
1040	injector.exe
1040	injector.exe
1040	injector.exe
1040	injector.exe
1040	injector.exe
1040	injector.exe
1040	injector.exe
1040	injector.exe
1040	injector.exe
1040	injector.exe
1040	injector.exe
1040	injector.exe
1040	injector.exe
1040	injector.exe
1040	injector.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

b09bbeb6b29868ba53b7f88c2d3c15bae0fa1a73e09d1b71bb71a02a56773515.execsrss.exe

description	pid	process
Token: SeDebugPrivilege	2704	b09bbeb6b29868ba53b7f88c2d3c15bae0fa1a73e09d1b71bb71a02a56773515.exe
Token: SeImpersonatePrivilege	2704	b09bbeb6b29868ba53b7f88c2d3c15bae0fa1a73e09d1b71bb71a02a56773515.exe
Token: SeSystemEnvironmentPrivilege	352	csrss.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

b09bbeb6b29868ba53b7f88c2d3c15bae0fa1a73e09d1b71bb71a02a56773515.execmd.execsrss.exe

description	pid	process	target process
PID 3684 wrote to memory of 4076	3684	b09bbeb6b29868ba53b7f88c2d3c15bae0fa1a73e09d1b71bb71a02a56773515.exe	cmd.exe
PID 3684 wrote to memory of 4076	3684	b09bbeb6b29868ba53b7f88c2d3c15bae0fa1a73e09d1b71bb71a02a56773515.exe	cmd.exe
PID 4076 wrote to memory of 4576	4076	cmd.exe	netsh.exe
PID 4076 wrote to memory of 4576	4076	cmd.exe	netsh.exe
PID 3684 wrote to memory of 352	3684	b09bbeb6b29868ba53b7f88c2d3c15bae0fa1a73e09d1b71bb71a02a56773515.exe	csrss.exe
PID 3684 wrote to memory of 352	3684	b09bbeb6b29868ba53b7f88c2d3c15bae0fa1a73e09d1b71bb71a02a56773515.exe	csrss.exe
PID 3684 wrote to memory of 352	3684	b09bbeb6b29868ba53b7f88c2d3c15bae0fa1a73e09d1b71bb71a02a56773515.exe	csrss.exe
PID 352 wrote to memory of 1040	352	csrss.exe	injector.exe
PID 352 wrote to memory of 1040	352	csrss.exe	injector.exe

C:\Users\Admin\AppData\Local\Temp\b09bbeb6b29868ba53b7f88c2d3c15bae0fa1a73e09d1b71bb71a02a56773515.exe
"C:\Users\Admin\AppData\Local\Temp\b09bbeb6b29868ba53b7f88c2d3c15bae0fa1a73e09d1b71bb71a02a56773515.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2704

C:\Users\Admin\AppData\Local\Temp\b09bbeb6b29868ba53b7f88c2d3c15bae0fa1a73e09d1b71bb71a02a56773515.exe
"C:\Users\Admin\AppData\Local\Temp\b09bbeb6b29868ba53b7f88c2d3c15bae0fa1a73e09d1b71bb71a02a56773515.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:3684

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:4076

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:4576

C:\Windows\rss\csrss.exe
C:\Windows\rss\csrss.exe
3⤵
- Executes dropped EXE
- Adds Run key to start application
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:352

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:644

C:\Windows\SYSTEM32\schtasks.exe
schtasks /delete /tn ScheduledUpdate /f
4⤵
PID:512

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:1040

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:3388

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

Web Service

T1102

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
0f6b430de1176275cb7084fc5e5a0454

SHA1
6872dc2bf03e2c6b75d395836c59c7bc7ca839dd

SHA256
b09bbeb6b29868ba53b7f88c2d3c15bae0fa1a73e09d1b71bb71a02a56773515

SHA512
7b3bd05add20b49831585da2fb17ee172a0e88e03583ab9ec6d1053d5daa7f0b01d812459e6b6d4d0c498accf56a869a437a21aa86f9d1e4f831b6c6d7880105

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

MD5
0f6b430de1176275cb7084fc5e5a0454

SHA1
6872dc2bf03e2c6b75d395836c59c7bc7ca839dd

SHA256
b09bbeb6b29868ba53b7f88c2d3c15bae0fa1a73e09d1b71bb71a02a56773515

SHA512
7b3bd05add20b49831585da2fb17ee172a0e88e03583ab9ec6d1053d5daa7f0b01d812459e6b6d4d0c498accf56a869a437a21aa86f9d1e4f831b6c6d7880105

Download Submit
memory/352-296-0x0000000000000000-mapping.dmp

Download
memory/352-358-0x0000000005200000-0x00000000055EA000-memory.dmp

Filesize
3.9MB

Download
memory/352-362-0x0000000000400000-0x0000000002F78000-memory.dmp

Filesize
43.5MB

Download
memory/352-379-0x0000000000400000-0x0000000002F78000-memory.dmp

Filesize
43.5MB

Download
memory/352-378-0x0000000005200000-0x00000000055EA000-memory.dmp

Filesize
3.9MB

Download
memory/1040-372-0x0000000000000000-mapping.dmp

Download
memory/2704-151-0x0000000077960000-0x0000000077AEE000-memory.dmp

Filesize
1.6MB

Download
memory/2704-158-0x0000000077960000-0x0000000077AEE000-memory.dmp

Filesize
1.6MB

Download
memory/2704-122-0x0000000077960000-0x0000000077AEE000-memory.dmp

Filesize
1.6MB

Download
memory/2704-123-0x0000000077960000-0x0000000077AEE000-memory.dmp

Filesize
1.6MB

Download
memory/2704-124-0x0000000077960000-0x0000000077AEE000-memory.dmp

Filesize
1.6MB

Download
memory/2704-125-0x0000000077960000-0x0000000077AEE000-memory.dmp

Filesize
1.6MB

Download
memory/2704-126-0x0000000077960000-0x0000000077AEE000-memory.dmp

Filesize
1.6MB

Download
memory/2704-127-0x0000000077960000-0x0000000077AEE000-memory.dmp

Filesize
1.6MB

Download
memory/2704-128-0x0000000077960000-0x0000000077AEE000-memory.dmp

Filesize
1.6MB

Download
memory/2704-129-0x0000000077960000-0x0000000077AEE000-memory.dmp

Filesize
1.6MB

Download
memory/2704-130-0x0000000077960000-0x0000000077AEE000-memory.dmp

Filesize
1.6MB

Download
memory/2704-132-0x0000000077960000-0x0000000077AEE000-memory.dmp

Filesize
1.6MB

Download
memory/2704-133-0x0000000077960000-0x0000000077AEE000-memory.dmp

Filesize
1.6MB

Download
memory/2704-134-0x0000000077960000-0x0000000077AEE000-memory.dmp

Filesize
1.6MB

Download
memory/2704-135-0x0000000077960000-0x0000000077AEE000-memory.dmp

Filesize
1.6MB

Download
memory/2704-136-0x0000000077960000-0x0000000077AEE000-memory.dmp

Filesize
1.6MB

Download
memory/2704-137-0x0000000004CA0000-0x0000000005090000-memory.dmp

Filesize
3.9MB

Download
memory/2704-138-0x0000000077960000-0x0000000077AEE000-memory.dmp

Filesize
1.6MB

Download
memory/2704-140-0x0000000005090000-0x0000000005907000-memory.dmp

Filesize
8.5MB

Download
memory/2704-141-0x0000000077960000-0x0000000077AEE000-memory.dmp

Filesize
1.6MB

Download
memory/2704-139-0x0000000077960000-0x0000000077AEE000-memory.dmp

Filesize
1.6MB

Download
memory/2704-144-0x0000000077960000-0x0000000077AEE000-memory.dmp

Filesize
1.6MB

Download
memory/2704-143-0x0000000077960000-0x0000000077AEE000-memory.dmp

Filesize
1.6MB

Download
memory/2704-142-0x0000000077960000-0x0000000077AEE000-memory.dmp

Filesize
1.6MB

Download
memory/2704-145-0x0000000077960000-0x0000000077AEE000-memory.dmp

Filesize
1.6MB

Download
memory/2704-146-0x0000000077960000-0x0000000077AEE000-memory.dmp

Filesize
1.6MB

Download
memory/2704-147-0x0000000000400000-0x0000000002F78000-memory.dmp

Filesize
43.5MB

Download
memory/2704-148-0x0000000077960000-0x0000000077AEE000-memory.dmp

Filesize
1.6MB

Download
memory/2704-149-0x0000000077960000-0x0000000077AEE000-memory.dmp

Filesize
1.6MB

Download
memory/2704-150-0x0000000077960000-0x0000000077AEE000-memory.dmp

Filesize
1.6MB

Download
memory/2704-120-0x0000000077960000-0x0000000077AEE000-memory.dmp

Filesize
1.6MB

Download
memory/2704-152-0x0000000077960000-0x0000000077AEE000-memory.dmp

Filesize
1.6MB

Download
memory/2704-153-0x0000000077960000-0x0000000077AEE000-memory.dmp

Filesize
1.6MB

Download
memory/2704-154-0x0000000077960000-0x0000000077AEE000-memory.dmp

Filesize
1.6MB

Download
memory/2704-155-0x0000000077960000-0x0000000077AEE000-memory.dmp

Filesize
1.6MB

Download
memory/2704-156-0x0000000077960000-0x0000000077AEE000-memory.dmp

Filesize
1.6MB

Download
memory/2704-157-0x0000000077960000-0x0000000077AEE000-memory.dmp

Filesize
1.6MB

Download
memory/2704-121-0x0000000077960000-0x0000000077AEE000-memory.dmp

Filesize
1.6MB

Download
memory/2704-159-0x0000000077960000-0x0000000077AEE000-memory.dmp

Filesize
1.6MB

Download
memory/2704-160-0x0000000077960000-0x0000000077AEE000-memory.dmp

Filesize
1.6MB

Download
memory/2704-161-0x0000000077960000-0x0000000077AEE000-memory.dmp

Filesize
1.6MB

Download
memory/2704-162-0x0000000077960000-0x0000000077AEE000-memory.dmp

Filesize
1.6MB

Download
memory/2704-163-0x0000000077960000-0x0000000077AEE000-memory.dmp

Filesize
1.6MB

Download
memory/2704-164-0x0000000077960000-0x0000000077AEE000-memory.dmp

Filesize
1.6MB

Download
memory/2704-165-0x0000000077960000-0x0000000077AEE000-memory.dmp

Filesize
1.6MB

Download
memory/2704-166-0x0000000077960000-0x0000000077AEE000-memory.dmp

Filesize
1.6MB

Download
memory/2704-167-0x0000000077960000-0x0000000077AEE000-memory.dmp

Filesize
1.6MB

Download
memory/2704-168-0x0000000077960000-0x0000000077AEE000-memory.dmp

Filesize
1.6MB

Download
memory/2704-169-0x0000000077960000-0x0000000077AEE000-memory.dmp

Filesize
1.6MB

Download
memory/2704-170-0x0000000077960000-0x0000000077AEE000-memory.dmp

Filesize
1.6MB

Download
memory/2704-171-0x0000000077960000-0x0000000077AEE000-memory.dmp

Filesize
1.6MB

Download
memory/2704-172-0x0000000077960000-0x0000000077AEE000-memory.dmp

Filesize
1.6MB

Download
memory/2704-173-0x0000000077960000-0x0000000077AEE000-memory.dmp

Filesize
1.6MB

Download
memory/2704-174-0x0000000077960000-0x0000000077AEE000-memory.dmp

Filesize
1.6MB

Download
memory/2704-175-0x0000000077960000-0x0000000077AEE000-memory.dmp

Filesize
1.6MB

Download
memory/2704-176-0x0000000077960000-0x0000000077AEE000-memory.dmp

Filesize
1.6MB

Download
memory/2704-177-0x0000000077960000-0x0000000077AEE000-memory.dmp

Filesize
1.6MB

Download
memory/2704-178-0x0000000077960000-0x0000000077AEE000-memory.dmp

Filesize
1.6MB

Download
memory/2704-179-0x0000000077960000-0x0000000077AEE000-memory.dmp

Filesize
1.6MB

Download
memory/2704-180-0x0000000077960000-0x0000000077AEE000-memory.dmp

Filesize
1.6MB

Download
memory/2704-181-0x0000000077960000-0x0000000077AEE000-memory.dmp

Filesize
1.6MB

Download
memory/2704-182-0x0000000077960000-0x0000000077AEE000-memory.dmp

Filesize
1.6MB

Download
memory/2704-243-0x0000000000400000-0x0000000002F78000-memory.dmp

Filesize
43.5MB

Download
memory/2704-119-0x0000000077960000-0x0000000077AEE000-memory.dmp

Filesize
1.6MB

Download
memory/2704-118-0x0000000077960000-0x0000000077AEE000-memory.dmp

Filesize
1.6MB

Download
memory/2704-117-0x0000000077960000-0x0000000077AEE000-memory.dmp

Filesize
1.6MB

Download
memory/2704-116-0x0000000077960000-0x0000000077AEE000-memory.dmp

Filesize
1.6MB

Download
memory/2704-115-0x0000000077960000-0x0000000077AEE000-memory.dmp

Filesize
1.6MB

Download
memory/3684-265-0x0000000004CB0000-0x00000000050A4000-memory.dmp

Filesize
4.0MB

Download
memory/3684-275-0x0000000000400000-0x0000000002F78000-memory.dmp

Filesize
43.5MB

Download
memory/3684-305-0x0000000000400000-0x0000000002F78000-memory.dmp

Filesize
43.5MB

Download
memory/4076-293-0x0000000000000000-mapping.dmp

Download
memory/4576-294-0x0000000000000000-mapping.dmp

Download