glupteba | 491c9426c3d39f1101309b07de0aead2f9f6a8aedb4c604b2c3e8a0c19784ce2

Analysis

max time kernel
150s
max time network
148s
platform
windows10-1703_x64
resource
win10-20220901-en
resource tags

arch:x64arch:x86image:win10-20220901-enlocale:en-usos:windows10-1703-x64system
submitted
04-12-2022 09:08

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General

Target

491c9426c3d39f1101309b07de0aead2f9f6a8aedb4c604b2c3e8a0c19784ce2.exe
Size

4.2MB
MD5

78c53eb0a4e18f14150d5382e39ecd90
SHA1

61461f9cd2762c613d1ab852297b516cfd79ee94
SHA256

491c9426c3d39f1101309b07de0aead2f9f6a8aedb4c604b2c3e8a0c19784ce2
SHA512

aa3b17e37409a95a1db98b1777e6478385719a5d6637c7fcd2d8d883e33252551dd7947eff0257518dc3f3b4df5b6a5168a64e1a05a110259d9d56d91daa7ce2
SSDEEP

98304:sPAFFlmUNtom1XY26n6OoZIJOU4cQtC3NKZTANiV7Foe95Bxp:t7m0tftYDo6P5QtnZ8oTrxp

Score

10^/10

glupteba discovery dropper evasion loader persistence trojan

Malware Config

Signatures

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

Windows security bypass 2 TTPs 7 IoCs

evasion trojan

Disabling Security Tools

T1089

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\csrss.exe = "0"	491c9426c3d39f1101309b07de0aead2f9f6a8aedb4c604b2c3e8a0c19784ce2.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\windefender.exe = "0"	491c9426c3d39f1101309b07de0aead2f9f6a8aedb4c604b2c3e8a0c19784ce2.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\491c9426c3d39f1101309b07de0aead2f9f6a8aedb4c604b2c3e8a0c19784ce2.exe = "0"	491c9426c3d39f1101309b07de0aead2f9f6a8aedb4c604b2c3e8a0c19784ce2.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\rss = "0"	491c9426c3d39f1101309b07de0aead2f9f6a8aedb4c604b2c3e8a0c19784ce2.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\csrss = "0"	491c9426c3d39f1101309b07de0aead2f9f6a8aedb4c604b2c3e8a0c19784ce2.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\windefender.exe = "0"	491c9426c3d39f1101309b07de0aead2f9f6a8aedb4c604b2c3e8a0c19784ce2.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\System32\drivers = "0"	491c9426c3d39f1101309b07de0aead2f9f6a8aedb4c604b2c3e8a0c19784ce2.exe

Executes dropped EXE 2 IoCs

pid	Process
4536	csrss.exe
188	injector.exe

Modifies Windows Firewall 1 TTPs 1 IoCs

evasion

Modify Existing Service

T1031

pid	Process
4680	netsh.exe

Windows security modification 2 TTPs 7 IoCs

evasion trojan

Disabling Security Tools

T1089

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\csrss.exe = "0"	491c9426c3d39f1101309b07de0aead2f9f6a8aedb4c604b2c3e8a0c19784ce2.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\windefender.exe = "0"	491c9426c3d39f1101309b07de0aead2f9f6a8aedb4c604b2c3e8a0c19784ce2.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\491c9426c3d39f1101309b07de0aead2f9f6a8aedb4c604b2c3e8a0c19784ce2.exe = "0"	491c9426c3d39f1101309b07de0aead2f9f6a8aedb4c604b2c3e8a0c19784ce2.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\rss = "0"	491c9426c3d39f1101309b07de0aead2f9f6a8aedb4c604b2c3e8a0c19784ce2.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\csrss = "0"	491c9426c3d39f1101309b07de0aead2f9f6a8aedb4c604b2c3e8a0c19784ce2.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\windefender.exe = "0"	491c9426c3d39f1101309b07de0aead2f9f6a8aedb4c604b2c3e8a0c19784ce2.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\System32\drivers = "0"	491c9426c3d39f1101309b07de0aead2f9f6a8aedb4c604b2c3e8a0c19784ce2.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2368682536-4045190062-1465778271-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\""	csrss.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2368682536-4045190062-1465778271-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\""	491c9426c3d39f1101309b07de0aead2f9f6a8aedb4c604b2c3e8a0c19784ce2.exe

Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\rss\csrss.exe	491c9426c3d39f1101309b07de0aead2f9f6a8aedb4c604b2c3e8a0c19784ce2.exe
File opened for modification	C:\Windows\rss	491c9426c3d39f1101309b07de0aead2f9f6a8aedb4c604b2c3e8a0c19784ce2.exe

Creates scheduled task(s) 1 TTPs 2 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence

Scheduled Task

T1053

pid	Process
1420	schtasks.exe
1532	schtasks.exe

Modifies data under HKEY_USERS 64 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-92 = "Pacific SA Standard Time"	491c9426c3d39f1101309b07de0aead2f9f6a8aedb4c604b2c3e8a0c19784ce2.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-832 = "SA Eastern Standard Time"	491c9426c3d39f1101309b07de0aead2f9f6a8aedb4c604b2c3e8a0c19784ce2.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2532 = "Chatham Islands Standard Time"	491c9426c3d39f1101309b07de0aead2f9f6a8aedb4c604b2c3e8a0c19784ce2.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-892 = "Morocco Standard Time"	491c9426c3d39f1101309b07de0aead2f9f6a8aedb4c604b2c3e8a0c19784ce2.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2632 = "Norfolk Standard Time"	491c9426c3d39f1101309b07de0aead2f9f6a8aedb4c604b2c3e8a0c19784ce2.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-891 = "Morocco Daylight Time"	491c9426c3d39f1101309b07de0aead2f9f6a8aedb4c604b2c3e8a0c19784ce2.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-502 = "Nepal Standard Time"	491c9426c3d39f1101309b07de0aead2f9f6a8aedb4c604b2c3e8a0c19784ce2.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2631 = "Norfolk Daylight Time"	491c9426c3d39f1101309b07de0aead2f9f6a8aedb4c604b2c3e8a0c19784ce2.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-242 = "Samoa Standard Time"	491c9426c3d39f1101309b07de0aead2f9f6a8aedb4c604b2c3e8a0c19784ce2.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-931 = "Coordinated Universal Time"	491c9426c3d39f1101309b07de0aead2f9f6a8aedb4c604b2c3e8a0c19784ce2.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-252 = "Dateline Standard Time"	491c9426c3d39f1101309b07de0aead2f9f6a8aedb4c604b2c3e8a0c19784ce2.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-231 = "Hawaiian Daylight Time"	491c9426c3d39f1101309b07de0aead2f9f6a8aedb4c604b2c3e8a0c19784ce2.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-364 = "Middle East Daylight Time"	491c9426c3d39f1101309b07de0aead2f9f6a8aedb4c604b2c3e8a0c19784ce2.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-201 = "US Mountain Daylight Time"	491c9426c3d39f1101309b07de0aead2f9f6a8aedb4c604b2c3e8a0c19784ce2.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-365 = "Middle East Standard Time"	491c9426c3d39f1101309b07de0aead2f9f6a8aedb4c604b2c3e8a0c19784ce2.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-741 = "New Zealand Daylight Time"	491c9426c3d39f1101309b07de0aead2f9f6a8aedb4c604b2c3e8a0c19784ce2.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-591 = "Malay Peninsula Daylight Time"	491c9426c3d39f1101309b07de0aead2f9f6a8aedb4c604b2c3e8a0c19784ce2.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-141 = "Canada Central Daylight Time"	491c9426c3d39f1101309b07de0aead2f9f6a8aedb4c604b2c3e8a0c19784ce2.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-335 = "Jordan Standard Time"	491c9426c3d39f1101309b07de0aead2f9f6a8aedb4c604b2c3e8a0c19784ce2.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1502 = "Turkey Standard Time"	491c9426c3d39f1101309b07de0aead2f9f6a8aedb4c604b2c3e8a0c19784ce2.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1662 = "Bahia Standard Time"	491c9426c3d39f1101309b07de0aead2f9f6a8aedb4c604b2c3e8a0c19784ce2.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2512 = "Lord Howe Standard Time"	491c9426c3d39f1101309b07de0aead2f9f6a8aedb4c604b2c3e8a0c19784ce2.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-831 = "SA Eastern Daylight Time"	491c9426c3d39f1101309b07de0aead2f9f6a8aedb4c604b2c3e8a0c19784ce2.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-562 = "SE Asia Standard Time"	491c9426c3d39f1101309b07de0aead2f9f6a8aedb4c604b2c3e8a0c19784ce2.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-334 = "Jordan Daylight Time"	491c9426c3d39f1101309b07de0aead2f9f6a8aedb4c604b2c3e8a0c19784ce2.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-212 = "Pacific Standard Time"	491c9426c3d39f1101309b07de0aead2f9f6a8aedb4c604b2c3e8a0c19784ce2.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-872 = "Pakistan Standard Time"	491c9426c3d39f1101309b07de0aead2f9f6a8aedb4c604b2c3e8a0c19784ce2.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-132 = "US Eastern Standard Time"	491c9426c3d39f1101309b07de0aead2f9f6a8aedb4c604b2c3e8a0c19784ce2.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-261 = "GMT Daylight Time"	491c9426c3d39f1101309b07de0aead2f9f6a8aedb4c604b2c3e8a0c19784ce2.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2341 = "Haiti Daylight Time"	491c9426c3d39f1101309b07de0aead2f9f6a8aedb4c604b2c3e8a0c19784ce2.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2061 = "North Korea Daylight Time"	491c9426c3d39f1101309b07de0aead2f9f6a8aedb4c604b2c3e8a0c19784ce2.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-251 = "Dateline Daylight Time"	491c9426c3d39f1101309b07de0aead2f9f6a8aedb4c604b2c3e8a0c19784ce2.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1861 = "Russia TZ 6 Daylight Time"	491c9426c3d39f1101309b07de0aead2f9f6a8aedb4c604b2c3e8a0c19784ce2.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-491 = "India Daylight Time"	491c9426c3d39f1101309b07de0aead2f9f6a8aedb4c604b2c3e8a0c19784ce2.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-182 = "Mountain Standard Time (Mexico)"	491c9426c3d39f1101309b07de0aead2f9f6a8aedb4c604b2c3e8a0c19784ce2.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2452 = "Saint Pierre Standard Time"	491c9426c3d39f1101309b07de0aead2f9f6a8aedb4c604b2c3e8a0c19784ce2.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-841 = "Argentina Daylight Time"	491c9426c3d39f1101309b07de0aead2f9f6a8aedb4c604b2c3e8a0c19784ce2.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-492 = "India Standard Time"	491c9426c3d39f1101309b07de0aead2f9f6a8aedb4c604b2c3e8a0c19784ce2.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-181 = "Mountain Daylight Time (Mexico)"	491c9426c3d39f1101309b07de0aead2f9f6a8aedb4c604b2c3e8a0c19784ce2.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-752 = "Tonga Standard Time"	491c9426c3d39f1101309b07de0aead2f9f6a8aedb4c604b2c3e8a0c19784ce2.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-105 = "Central Brazilian Standard Time"	491c9426c3d39f1101309b07de0aead2f9f6a8aedb4c604b2c3e8a0c19784ce2.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-262 = "GMT Standard Time"	491c9426c3d39f1101309b07de0aead2f9f6a8aedb4c604b2c3e8a0c19784ce2.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1802 = "Line Islands Standard Time"	491c9426c3d39f1101309b07de0aead2f9f6a8aedb4c604b2c3e8a0c19784ce2.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1822 = "Russia TZ 1 Standard Time"	491c9426c3d39f1101309b07de0aead2f9f6a8aedb4c604b2c3e8a0c19784ce2.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-31 = "Mid-Atlantic Daylight Time"	491c9426c3d39f1101309b07de0aead2f9f6a8aedb4c604b2c3e8a0c19784ce2.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-871 = "Pakistan Daylight Time"	491c9426c3d39f1101309b07de0aead2f9f6a8aedb4c604b2c3e8a0c19784ce2.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"	491c9426c3d39f1101309b07de0aead2f9f6a8aedb4c604b2c3e8a0c19784ce2.exe
Key created	\REGISTRY\USER\.DEFAULT\System\CurrentControlSet	netsh.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-281 = "Central Europe Daylight Time"	491c9426c3d39f1101309b07de0aead2f9f6a8aedb4c604b2c3e8a0c19784ce2.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2431 = "Cuba Daylight Time"	491c9426c3d39f1101309b07de0aead2f9f6a8aedb4c604b2c3e8a0c19784ce2.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-732 = "Fiji Standard Time"	491c9426c3d39f1101309b07de0aead2f9f6a8aedb4c604b2c3e8a0c19784ce2.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-384 = "Namibia Daylight Time"	491c9426c3d39f1101309b07de0aead2f9f6a8aedb4c604b2c3e8a0c19784ce2.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-122 = "SA Pacific Standard Time"	491c9426c3d39f1101309b07de0aead2f9f6a8aedb4c604b2c3e8a0c19784ce2.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2451 = "Saint Pierre Daylight Time"	491c9426c3d39f1101309b07de0aead2f9f6a8aedb4c604b2c3e8a0c19784ce2.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-592 = "Malay Peninsula Standard Time"	491c9426c3d39f1101309b07de0aead2f9f6a8aedb4c604b2c3e8a0c19784ce2.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-602 = "Taipei Standard Time"	491c9426c3d39f1101309b07de0aead2f9f6a8aedb4c604b2c3e8a0c19784ce2.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-81 = "Atlantic Daylight Time"	491c9426c3d39f1101309b07de0aead2f9f6a8aedb4c604b2c3e8a0c19784ce2.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-51 = "Greenland Daylight Time"	491c9426c3d39f1101309b07de0aead2f9f6a8aedb4c604b2c3e8a0c19784ce2.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-911 = "Mauritius Daylight Time"	491c9426c3d39f1101309b07de0aead2f9f6a8aedb4c604b2c3e8a0c19784ce2.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2181 = "Astrakhan Daylight Time"	491c9426c3d39f1101309b07de0aead2f9f6a8aedb4c604b2c3e8a0c19784ce2.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2411 = "Marquesas Daylight Time"	491c9426c3d39f1101309b07de0aead2f9f6a8aedb4c604b2c3e8a0c19784ce2.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-792 = "SA Western Standard Time"	491c9426c3d39f1101309b07de0aead2f9f6a8aedb4c604b2c3e8a0c19784ce2.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-561 = "SE Asia Daylight Time"	491c9426c3d39f1101309b07de0aead2f9f6a8aedb4c604b2c3e8a0c19784ce2.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-932 = "Coordinated Universal Time"	491c9426c3d39f1101309b07de0aead2f9f6a8aedb4c604b2c3e8a0c19784ce2.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2832	491c9426c3d39f1101309b07de0aead2f9f6a8aedb4c604b2c3e8a0c19784ce2.exe
2832	491c9426c3d39f1101309b07de0aead2f9f6a8aedb4c604b2c3e8a0c19784ce2.exe
3580	491c9426c3d39f1101309b07de0aead2f9f6a8aedb4c604b2c3e8a0c19784ce2.exe
3580	491c9426c3d39f1101309b07de0aead2f9f6a8aedb4c604b2c3e8a0c19784ce2.exe
3580	491c9426c3d39f1101309b07de0aead2f9f6a8aedb4c604b2c3e8a0c19784ce2.exe
3580	491c9426c3d39f1101309b07de0aead2f9f6a8aedb4c604b2c3e8a0c19784ce2.exe
3580	491c9426c3d39f1101309b07de0aead2f9f6a8aedb4c604b2c3e8a0c19784ce2.exe
3580	491c9426c3d39f1101309b07de0aead2f9f6a8aedb4c604b2c3e8a0c19784ce2.exe
3580	491c9426c3d39f1101309b07de0aead2f9f6a8aedb4c604b2c3e8a0c19784ce2.exe
3580	491c9426c3d39f1101309b07de0aead2f9f6a8aedb4c604b2c3e8a0c19784ce2.exe
3580	491c9426c3d39f1101309b07de0aead2f9f6a8aedb4c604b2c3e8a0c19784ce2.exe
3580	491c9426c3d39f1101309b07de0aead2f9f6a8aedb4c604b2c3e8a0c19784ce2.exe
188	injector.exe
188	injector.exe
188	injector.exe
188	injector.exe
188	injector.exe
188	injector.exe
188	injector.exe
188	injector.exe
4536	csrss.exe
4536	csrss.exe
188	injector.exe
188	injector.exe
188	injector.exe
188	injector.exe
188	injector.exe
188	injector.exe
4536	csrss.exe
4536	csrss.exe
188	injector.exe
188	injector.exe
188	injector.exe
188	injector.exe
188	injector.exe
188	injector.exe
188	injector.exe
188	injector.exe
188	injector.exe
188	injector.exe
188	injector.exe
188	injector.exe
188	injector.exe
188	injector.exe
188	injector.exe
188	injector.exe
188	injector.exe
188	injector.exe
188	injector.exe
188	injector.exe
188	injector.exe
188	injector.exe
188	injector.exe
188	injector.exe
188	injector.exe
188	injector.exe
188	injector.exe
188	injector.exe
188	injector.exe
188	injector.exe
188	injector.exe
188	injector.exe
188	injector.exe
188	injector.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2832	491c9426c3d39f1101309b07de0aead2f9f6a8aedb4c604b2c3e8a0c19784ce2.exe
Token: SeImpersonatePrivilege	2832	491c9426c3d39f1101309b07de0aead2f9f6a8aedb4c604b2c3e8a0c19784ce2.exe
Token: SeSystemEnvironmentPrivilege	4536	csrss.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 3580 wrote to memory of 4596	3580	491c9426c3d39f1101309b07de0aead2f9f6a8aedb4c604b2c3e8a0c19784ce2.exe	71
PID 3580 wrote to memory of 4596	3580	491c9426c3d39f1101309b07de0aead2f9f6a8aedb4c604b2c3e8a0c19784ce2.exe	71
PID 4596 wrote to memory of 4680	4596	cmd.exe	72
PID 4596 wrote to memory of 4680	4596	cmd.exe	72
PID 3580 wrote to memory of 4536	3580	491c9426c3d39f1101309b07de0aead2f9f6a8aedb4c604b2c3e8a0c19784ce2.exe	73
PID 3580 wrote to memory of 4536	3580	491c9426c3d39f1101309b07de0aead2f9f6a8aedb4c604b2c3e8a0c19784ce2.exe	73
PID 3580 wrote to memory of 4536	3580	491c9426c3d39f1101309b07de0aead2f9f6a8aedb4c604b2c3e8a0c19784ce2.exe	73
PID 4536 wrote to memory of 188	4536	csrss.exe	80
PID 4536 wrote to memory of 188	4536	csrss.exe	80

C:\Users\Admin\AppData\Local\Temp\491c9426c3d39f1101309b07de0aead2f9f6a8aedb4c604b2c3e8a0c19784ce2.exe
"C:\Users\Admin\AppData\Local\Temp\491c9426c3d39f1101309b07de0aead2f9f6a8aedb4c604b2c3e8a0c19784ce2.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2832
- C:\Users\Admin\AppData\Local\Temp\491c9426c3d39f1101309b07de0aead2f9f6a8aedb4c604b2c3e8a0c19784ce2.exe
  "C:\Users\Admin\AppData\Local\Temp\491c9426c3d39f1101309b07de0aead2f9f6a8aedb4c604b2c3e8a0c19784ce2.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:3580
- - 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:4596
  - - 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:4680
- - 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:4536
  - - C:\Windows\SYSTEM32\schtasks.exe
      schtasks /delete /tn ScheduledUpdate /f
      4⤵
      PID:1684
  - - 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:1420
  - - 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:188
  - - 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:1532

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

T1053

Persistence

Modify Existing Service

T1031

Registry Run Keys / Startup Folder

T1060

Scheduled Task

T1053

Privilege Escalation

Scheduled Task

T1053

Defense Evasion

Disabling Security Tools

T1089

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\csrss\injector\injector.exe

Filesize
281KB

MD5
d98e33b66343e7c96158444127a117f6

SHA1
bb716c5509a2bf345c6c1152f6e3e1452d39d50d

SHA256
5de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1

SHA512
705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5

Download Submit
C:\Users\Admin\AppData\Local\Temp\csrss\injector\injector.exe

Filesize
281KB

MD5
d98e33b66343e7c96158444127a117f6

SHA1
bb716c5509a2bf345c6c1152f6e3e1452d39d50d

SHA256
5de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1

SHA512
705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5

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

Filesize
4.2MB

MD5
78c53eb0a4e18f14150d5382e39ecd90

SHA1
61461f9cd2762c613d1ab852297b516cfd79ee94

SHA256
491c9426c3d39f1101309b07de0aead2f9f6a8aedb4c604b2c3e8a0c19784ce2

SHA512
aa3b17e37409a95a1db98b1777e6478385719a5d6637c7fcd2d8d883e33252551dd7947eff0257518dc3f3b4df5b6a5168a64e1a05a110259d9d56d91daa7ce2

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

Filesize
4.2MB

MD5
78c53eb0a4e18f14150d5382e39ecd90

SHA1
61461f9cd2762c613d1ab852297b516cfd79ee94

SHA256
491c9426c3d39f1101309b07de0aead2f9f6a8aedb4c604b2c3e8a0c19784ce2

SHA512
aa3b17e37409a95a1db98b1777e6478385719a5d6637c7fcd2d8d883e33252551dd7947eff0257518dc3f3b4df5b6a5168a64e1a05a110259d9d56d91daa7ce2

Download Submit
memory/188-374-0x0000000000000000-mapping.dmp

Download
memory/2832-162-0x00000000772F0000-0x000000007747E000-memory.dmp

Filesize
1.6MB

Download
memory/2832-249-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/2832-125-0x00000000772F0000-0x000000007747E000-memory.dmp

Filesize
1.6MB

Download
memory/2832-122-0x00000000772F0000-0x000000007747E000-memory.dmp

Filesize
1.6MB

Download
memory/2832-126-0x00000000772F0000-0x000000007747E000-memory.dmp

Filesize
1.6MB

Download
memory/2832-127-0x00000000772F0000-0x000000007747E000-memory.dmp

Filesize
1.6MB

Download
memory/2832-129-0x00000000772F0000-0x000000007747E000-memory.dmp

Filesize
1.6MB

Download
memory/2832-130-0x00000000772F0000-0x000000007747E000-memory.dmp

Filesize
1.6MB

Download
memory/2832-132-0x00000000772F0000-0x000000007747E000-memory.dmp

Filesize
1.6MB

Download
memory/2832-133-0x00000000772F0000-0x000000007747E000-memory.dmp

Filesize
1.6MB

Download
memory/2832-131-0x00000000772F0000-0x000000007747E000-memory.dmp

Filesize
1.6MB

Download
memory/2832-128-0x00000000772F0000-0x000000007747E000-memory.dmp

Filesize
1.6MB

Download
memory/2832-120-0x00000000772F0000-0x000000007747E000-memory.dmp

Filesize
1.6MB

Download
memory/2832-135-0x00000000772F0000-0x000000007747E000-memory.dmp

Filesize
1.6MB

Download
memory/2832-136-0x00000000772F0000-0x000000007747E000-memory.dmp

Filesize
1.6MB

Download
memory/2832-137-0x00000000772F0000-0x000000007747E000-memory.dmp

Filesize
1.6MB

Download
memory/2832-138-0x00000000772F0000-0x000000007747E000-memory.dmp

Filesize
1.6MB

Download
memory/2832-139-0x00000000772F0000-0x000000007747E000-memory.dmp

Filesize
1.6MB

Download
memory/2832-140-0x00000000772F0000-0x000000007747E000-memory.dmp

Filesize
1.6MB

Download
memory/2832-141-0x00000000772F0000-0x000000007747E000-memory.dmp

Filesize
1.6MB

Download
memory/2832-142-0x00000000772F0000-0x000000007747E000-memory.dmp

Filesize
1.6MB

Download
memory/2832-143-0x00000000772F0000-0x000000007747E000-memory.dmp

Filesize
1.6MB

Download
memory/2832-145-0x00000000772F0000-0x000000007747E000-memory.dmp

Filesize
1.6MB

Download
memory/2832-146-0x00000000772F0000-0x000000007747E000-memory.dmp

Filesize
1.6MB

Download
memory/2832-147-0x00000000772F0000-0x000000007747E000-memory.dmp

Filesize
1.6MB

Download
memory/2832-149-0x00000000772F0000-0x000000007747E000-memory.dmp

Filesize
1.6MB

Download
memory/2832-150-0x00000000772F0000-0x000000007747E000-memory.dmp

Filesize
1.6MB

Download
memory/2832-152-0x00000000772F0000-0x000000007747E000-memory.dmp

Filesize
1.6MB

Download
memory/2832-153-0x00000000772F0000-0x000000007747E000-memory.dmp

Filesize
1.6MB

Download
memory/2832-160-0x00000000772F0000-0x000000007747E000-memory.dmp

Filesize
1.6MB

Download
memory/2832-156-0x00000000772F0000-0x000000007747E000-memory.dmp

Filesize
1.6MB

Download
memory/2832-157-0x00000000772F0000-0x000000007747E000-memory.dmp

Filesize
1.6MB

Download
memory/2832-158-0x00000000772F0000-0x000000007747E000-memory.dmp

Filesize
1.6MB

Download
memory/2832-159-0x00000000772F0000-0x000000007747E000-memory.dmp

Filesize
1.6MB

Download
memory/2832-166-0x00000000772F0000-0x000000007747E000-memory.dmp

Filesize
1.6MB

Download
memory/2832-124-0x00000000772F0000-0x000000007747E000-memory.dmp

Filesize
1.6MB

Download
memory/2832-163-0x0000000001320000-0x000000000170D000-memory.dmp

Filesize
3.9MB

Download
memory/2832-164-0x0000000001710000-0x0000000001F87000-memory.dmp

Filesize
8.5MB

Download
memory/2832-154-0x00000000772F0000-0x000000007747E000-memory.dmp

Filesize
1.6MB

Download
memory/2832-123-0x00000000772F0000-0x000000007747E000-memory.dmp

Filesize
1.6MB

Download
memory/2832-161-0x00000000772F0000-0x000000007747E000-memory.dmp

Filesize
1.6MB

Download
memory/2832-167-0x00000000772F0000-0x000000007747E000-memory.dmp

Filesize
1.6MB

Download
memory/2832-155-0x00000000772F0000-0x000000007747E000-memory.dmp

Filesize
1.6MB

Download
memory/2832-168-0x00000000772F0000-0x000000007747E000-memory.dmp

Filesize
1.6MB

Download
memory/2832-169-0x00000000772F0000-0x000000007747E000-memory.dmp

Filesize
1.6MB

Download
memory/2832-170-0x00000000772F0000-0x000000007747E000-memory.dmp

Filesize
1.6MB

Download
memory/2832-151-0x00000000772F0000-0x000000007747E000-memory.dmp

Filesize
1.6MB

Download
memory/2832-148-0x00000000772F0000-0x000000007747E000-memory.dmp

Filesize
1.6MB

Download
memory/2832-144-0x00000000772F0000-0x000000007747E000-memory.dmp

Filesize
1.6MB

Download
memory/2832-171-0x00000000772F0000-0x000000007747E000-memory.dmp

Filesize
1.6MB

Download
memory/2832-172-0x00000000772F0000-0x000000007747E000-memory.dmp

Filesize
1.6MB

Download
memory/2832-175-0x00000000772F0000-0x000000007747E000-memory.dmp

Filesize
1.6MB

Download
memory/2832-176-0x00000000772F0000-0x000000007747E000-memory.dmp

Filesize
1.6MB

Download
memory/2832-178-0x00000000772F0000-0x000000007747E000-memory.dmp

Filesize
1.6MB

Download
memory/2832-179-0x00000000772F0000-0x000000007747E000-memory.dmp

Filesize
1.6MB

Download
memory/2832-177-0x00000000772F0000-0x000000007747E000-memory.dmp

Filesize
1.6MB

Download
memory/2832-174-0x00000000772F0000-0x000000007747E000-memory.dmp

Filesize
1.6MB

Download
memory/2832-173-0x00000000772F0000-0x000000007747E000-memory.dmp

Filesize
1.6MB

Download
memory/2832-181-0x00000000772F0000-0x000000007747E000-memory.dmp

Filesize
1.6MB

Download
memory/2832-182-0x00000000772F0000-0x000000007747E000-memory.dmp

Filesize
1.6MB

Download
memory/2832-180-0x00000000772F0000-0x000000007747E000-memory.dmp

Filesize
1.6MB

Download
memory/2832-185-0x00000000772F0000-0x000000007747E000-memory.dmp

Filesize
1.6MB

Download
memory/2832-187-0x00000000772F0000-0x000000007747E000-memory.dmp

Filesize
1.6MB

Download
memory/2832-186-0x00000000772F0000-0x000000007747E000-memory.dmp

Filesize
1.6MB

Download
memory/2832-184-0x00000000772F0000-0x000000007747E000-memory.dmp

Filesize
1.6MB

Download
memory/2832-183-0x00000000772F0000-0x000000007747E000-memory.dmp

Filesize
1.6MB

Download
memory/2832-165-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/2832-121-0x00000000772F0000-0x000000007747E000-memory.dmp

Filesize
1.6MB

Download
memory/3580-271-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/3580-305-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/3580-265-0x0000000001190000-0x0000000001583000-memory.dmp

Filesize
3.9MB

Download
memory/4536-299-0x0000000000000000-mapping.dmp

Download
memory/4536-331-0x0000000001700000-0x0000000001AEA000-memory.dmp

Filesize
3.9MB

Download
memory/4536-336-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/4536-380-0x0000000001700000-0x0000000001AEA000-memory.dmp

Filesize
3.9MB

Download
memory/4536-381-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/4596-296-0x0000000000000000-mapping.dmp

Download
memory/4680-297-0x0000000000000000-mapping.dmp

Download