glupteba | 89dd074909de6b659c4a831cbaebd3e35db47af4a9c543814c672d675e779948

Analysis

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

arch:x64arch:x86image:win10-20220812-enlocale:en-usos:windows10-1703-x64system
submitted
23-09-2022 23:54

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General

Target

89dd074909de6b659c4a831cbaebd3e35db47af4a9c543814c672d675e779948.exe
Size

4.0MB
MD5

8c1b0c75dd22828d69ea96648b946644
SHA1

fe97919fa659a85432c00766e77cd5d0f17f8c9f
SHA256

89dd074909de6b659c4a831cbaebd3e35db47af4a9c543814c672d675e779948
SHA512

b7f118d79fa91a9c5eda35567c9bc3fc824c5de22110e84619584d485db03272d4779f8c870e6fd91a8c2d5e2da5144bd4264aee3192401eb01a204784a91cc4
SSDEEP

98304:CM77Lws/zpLRnLOUtbIlOcb76a+/86tH6Jeo:CMkUtulOc36a+/86FM

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:

89dd074909de6b659c4a831cbaebd3e35db47af4a9c543814c672d675e779948.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\windefender.exe = "0"	89dd074909de6b659c4a831cbaebd3e35db47af4a9c543814c672d675e779948.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\System32\drivers = "0"	89dd074909de6b659c4a831cbaebd3e35db47af4a9c543814c672d675e779948.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\csrss.exe = "0"	89dd074909de6b659c4a831cbaebd3e35db47af4a9c543814c672d675e779948.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\windefender.exe = "0"	89dd074909de6b659c4a831cbaebd3e35db47af4a9c543814c672d675e779948.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\89dd074909de6b659c4a831cbaebd3e35db47af4a9c543814c672d675e779948.exe = "0"	89dd074909de6b659c4a831cbaebd3e35db47af4a9c543814c672d675e779948.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\rss = "0"	89dd074909de6b659c4a831cbaebd3e35db47af4a9c543814c672d675e779948.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\csrss = "0"	89dd074909de6b659c4a831cbaebd3e35db47af4a9c543814c672d675e779948.exe

Executes dropped EXE 2 IoCs

Processes:

csrss.exeinjector.exe

pid process

4596 csrss.exe
1680 injector.exe
Modifies Windows Firewall 1 TTPs 1 IoCs
evasion

Modify Existing Service
T1031

Processes:

netsh.exe

pid process

2728 netsh.exe

pid	process
4596	csrss.exe
1680	injector.exe

pid	process
2728	netsh.exe

Windows security modification 2 TTPs 7 IoCs

evasion trojan

Disabling Security Tools

T1089

Modify Registry

T1112

Processes:

89dd074909de6b659c4a831cbaebd3e35db47af4a9c543814c672d675e779948.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\System32\drivers = "0"	89dd074909de6b659c4a831cbaebd3e35db47af4a9c543814c672d675e779948.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\csrss.exe = "0"	89dd074909de6b659c4a831cbaebd3e35db47af4a9c543814c672d675e779948.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\windefender.exe = "0"	89dd074909de6b659c4a831cbaebd3e35db47af4a9c543814c672d675e779948.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\89dd074909de6b659c4a831cbaebd3e35db47af4a9c543814c672d675e779948.exe = "0"	89dd074909de6b659c4a831cbaebd3e35db47af4a9c543814c672d675e779948.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\rss = "0"	89dd074909de6b659c4a831cbaebd3e35db47af4a9c543814c672d675e779948.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\csrss = "0"	89dd074909de6b659c4a831cbaebd3e35db47af4a9c543814c672d675e779948.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\windefender.exe = "0"	89dd074909de6b659c4a831cbaebd3e35db47af4a9c543814c672d675e779948.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

89dd074909de6b659c4a831cbaebd3e35db47af4a9c543814c672d675e779948.execsrss.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3844063266-715245855-4050956231-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\""	89dd074909de6b659c4a831cbaebd3e35db47af4a9c543814c672d675e779948.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3844063266-715245855-4050956231-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\""	csrss.exe

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

Query Registry
T1012
Legitimate hosting services abused for malware hosting/C2 1 TTPs

Web Service
T1102

Drops file in Windows directory 2 IoCs

Processes:

89dd074909de6b659c4a831cbaebd3e35db47af4a9c543814c672d675e779948.exe

description	ioc	process
File opened for modification	C:\Windows\rss	89dd074909de6b659c4a831cbaebd3e35db47af4a9c543814c672d675e779948.exe
File created	C:\Windows\rss\csrss.exe	89dd074909de6b659c4a831cbaebd3e35db47af4a9c543814c672d675e779948.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

1256 schtasks.exe
3444 schtasks.exe

pid	process
1256	schtasks.exe
3444	schtasks.exe

Modifies data under HKEY_USERS 64 IoCs

Processes:

89dd074909de6b659c4a831cbaebd3e35db47af4a9c543814c672d675e779948.execsrss.exenetsh.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-911 = "Mauritius Daylight Time"	89dd074909de6b659c4a831cbaebd3e35db47af4a9c543814c672d675e779948.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-831 = "SA Eastern Daylight Time"	89dd074909de6b659c4a831cbaebd3e35db47af4a9c543814c672d675e779948.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-131 = "US Eastern Daylight Time"	89dd074909de6b659c4a831cbaebd3e35db47af4a9c543814c672d675e779948.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-292 = "Central European Standard Time"	89dd074909de6b659c4a831cbaebd3e35db47af4a9c543814c672d675e779948.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-681 = "E. Australia Daylight Time"	89dd074909de6b659c4a831cbaebd3e35db47af4a9c543814c672d675e779948.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-601 = "Taipei Daylight Time"	89dd074909de6b659c4a831cbaebd3e35db47af4a9c543814c672d675e779948.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1932 = "Russia TZ 11 Standard Time"	89dd074909de6b659c4a831cbaebd3e35db47af4a9c543814c672d675e779948.exe
Key created	\REGISTRY\USER\.DEFAULT\System\CurrentControlSet\Control\NetTrace\Session	netsh.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-771 = "Montevideo Daylight Time"	89dd074909de6b659c4a831cbaebd3e35db47af4a9c543814c672d675e779948.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-892 = "Morocco Standard Time"	89dd074909de6b659c4a831cbaebd3e35db47af4a9c543814c672d675e779948.exe
Key created	\REGISTRY\USER\.DEFAULT\SYSTEM	netsh.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-671 = "AUS Eastern Daylight Time"	89dd074909de6b659c4a831cbaebd3e35db47af4a9c543814c672d675e779948.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-451 = "Caucasus Daylight Time"	89dd074909de6b659c4a831cbaebd3e35db47af4a9c543814c672d675e779948.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-361 = "GTB Daylight Time"	89dd074909de6b659c4a831cbaebd3e35db47af4a9c543814c672d675e779948.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"	89dd074909de6b659c4a831cbaebd3e35db47af4a9c543814c672d675e779948.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-731 = "Fiji Daylight Time"	89dd074909de6b659c4a831cbaebd3e35db47af4a9c543814c672d675e779948.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-261 = "GMT Daylight Time"	89dd074909de6b659c4a831cbaebd3e35db47af4a9c543814c672d675e779948.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-872 = "Pakistan Standard Time"	89dd074909de6b659c4a831cbaebd3e35db47af4a9c543814c672d675e779948.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1411 = "Syria Daylight Time"	89dd074909de6b659c4a831cbaebd3e35db47af4a9c543814c672d675e779948.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-462 = "Afghanistan Standard Time"	89dd074909de6b659c4a831cbaebd3e35db47af4a9c543814c672d675e779948.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-222 = "Alaskan Standard Time"	89dd074909de6b659c4a831cbaebd3e35db47af4a9c543814c672d675e779948.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2532 = "Chatham Islands Standard Time"	89dd074909de6b659c4a831cbaebd3e35db47af4a9c543814c672d675e779948.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2142 = "Transbaikal Standard Time"	89dd074909de6b659c4a831cbaebd3e35db47af4a9c543814c672d675e779948.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-912 = "Mauritius Standard Time"	89dd074909de6b659c4a831cbaebd3e35db47af4a9c543814c672d675e779948.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-531 = "Sri Lanka Daylight Time"	89dd074909de6b659c4a831cbaebd3e35db47af4a9c543814c672d675e779948.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-152 = "Central America Standard Time"	89dd074909de6b659c4a831cbaebd3e35db47af4a9c543814c672d675e779948.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-732 = "Fiji Standard Time"	89dd074909de6b659c4a831cbaebd3e35db47af4a9c543814c672d675e779948.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2842 = "Saratov Standard Time"	89dd074909de6b659c4a831cbaebd3e35db47af4a9c543814c672d675e779948.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-341 = "Egypt Daylight Time"	89dd074909de6b659c4a831cbaebd3e35db47af4a9c543814c672d675e779948.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1722 = "Libya Standard Time"	89dd074909de6b659c4a831cbaebd3e35db47af4a9c543814c672d675e779948.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-215 = "Pacific Standard Time (Mexico)"	89dd074909de6b659c4a831cbaebd3e35db47af4a9c543814c672d675e779948.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-162 = "Central Standard Time"	89dd074909de6b659c4a831cbaebd3e35db47af4a9c543814c672d675e779948.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-172 = "Central Standard Time (Mexico)"	89dd074909de6b659c4a831cbaebd3e35db47af4a9c543814c672d675e779948.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-364 = "Middle East Daylight Time"	89dd074909de6b659c4a831cbaebd3e35db47af4a9c543814c672d675e779948.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1041 = "Ulaanbaatar Daylight Time"	89dd074909de6b659c4a831cbaebd3e35db47af4a9c543814c672d675e779948.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-461 = "Afghanistan Daylight Time"	89dd074909de6b659c4a831cbaebd3e35db47af4a9c543814c672d675e779948.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-142 = "Canada Central Standard Time"	89dd074909de6b659c4a831cbaebd3e35db47af4a9c543814c672d675e779948.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-104 = "Central Brazilian Daylight Time"	89dd074909de6b659c4a831cbaebd3e35db47af4a9c543814c672d675e779948.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2412 = "Marquesas Standard Time"	89dd074909de6b659c4a831cbaebd3e35db47af4a9c543814c672d675e779948.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-772 = "Montevideo Standard Time"	89dd074909de6b659c4a831cbaebd3e35db47af4a9c543814c672d675e779948.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-502 = "Nepal Standard Time"	89dd074909de6b659c4a831cbaebd3e35db47af4a9c543814c672d675e779948.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-792 = "SA Western Standard Time"	89dd074909de6b659c4a831cbaebd3e35db47af4a9c543814c672d675e779948.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-791 = "SA Western Daylight Time"	89dd074909de6b659c4a831cbaebd3e35db47af4a9c543814c672d675e779948.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-401 = "Arabic Daylight Time"	89dd074909de6b659c4a831cbaebd3e35db47af4a9c543814c672d675e779948.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-449 = "Azerbaijan Standard Time"	89dd074909de6b659c4a831cbaebd3e35db47af4a9c543814c672d675e779948.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-231 = "Hawaiian Daylight Time"	89dd074909de6b659c4a831cbaebd3e35db47af4a9c543814c672d675e779948.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,-1502 = "Turkey Standard Time"	89dd074909de6b659c4a831cbaebd3e35db47af4a9c543814c672d675e779948.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs	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,-431 = "Iran Daylight Time"	89dd074909de6b659c4a831cbaebd3e35db47af4a9c543814c672d675e779948.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1832 = "Russia TZ 2 Standard Time"	89dd074909de6b659c4a831cbaebd3e35db47af4a9c543814c672d675e779948.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-242 = "Samoa Standard Time"	89dd074909de6b659c4a831cbaebd3e35db47af4a9c543814c672d675e779948.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-272 = "Greenwich Standard Time"	89dd074909de6b659c4a831cbaebd3e35db47af4a9c543814c672d675e779948.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2411 = "Marquesas Daylight Time"	89dd074909de6b659c4a831cbaebd3e35db47af4a9c543814c672d675e779948.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2771 = "Omsk Daylight Time"	89dd074909de6b659c4a831cbaebd3e35db47af4a9c543814c672d675e779948.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

89dd074909de6b659c4a831cbaebd3e35db47af4a9c543814c672d675e779948.exe89dd074909de6b659c4a831cbaebd3e35db47af4a9c543814c672d675e779948.exeinjector.execsrss.exe

pid	process
3040	89dd074909de6b659c4a831cbaebd3e35db47af4a9c543814c672d675e779948.exe
3040	89dd074909de6b659c4a831cbaebd3e35db47af4a9c543814c672d675e779948.exe
4284	89dd074909de6b659c4a831cbaebd3e35db47af4a9c543814c672d675e779948.exe
4284	89dd074909de6b659c4a831cbaebd3e35db47af4a9c543814c672d675e779948.exe
4284	89dd074909de6b659c4a831cbaebd3e35db47af4a9c543814c672d675e779948.exe
4284	89dd074909de6b659c4a831cbaebd3e35db47af4a9c543814c672d675e779948.exe
4284	89dd074909de6b659c4a831cbaebd3e35db47af4a9c543814c672d675e779948.exe
4284	89dd074909de6b659c4a831cbaebd3e35db47af4a9c543814c672d675e779948.exe
4284	89dd074909de6b659c4a831cbaebd3e35db47af4a9c543814c672d675e779948.exe
4284	89dd074909de6b659c4a831cbaebd3e35db47af4a9c543814c672d675e779948.exe
4284	89dd074909de6b659c4a831cbaebd3e35db47af4a9c543814c672d675e779948.exe
4284	89dd074909de6b659c4a831cbaebd3e35db47af4a9c543814c672d675e779948.exe
1680	injector.exe
1680	injector.exe
1680	injector.exe
1680	injector.exe
1680	injector.exe
1680	injector.exe
1680	injector.exe
1680	injector.exe
4596	csrss.exe
4596	csrss.exe
1680	injector.exe
1680	injector.exe
1680	injector.exe
1680	injector.exe
1680	injector.exe
1680	injector.exe
4596	csrss.exe
4596	csrss.exe
1680	injector.exe
1680	injector.exe
1680	injector.exe
1680	injector.exe
1680	injector.exe
1680	injector.exe
1680	injector.exe
1680	injector.exe
1680	injector.exe
1680	injector.exe
1680	injector.exe
1680	injector.exe
1680	injector.exe
1680	injector.exe
1680	injector.exe
1680	injector.exe
1680	injector.exe
1680	injector.exe
1680	injector.exe
1680	injector.exe
1680	injector.exe
1680	injector.exe
1680	injector.exe
1680	injector.exe
1680	injector.exe
1680	injector.exe
1680	injector.exe
1680	injector.exe
1680	injector.exe
1680	injector.exe
1680	injector.exe
1680	injector.exe
1680	injector.exe
1680	injector.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

89dd074909de6b659c4a831cbaebd3e35db47af4a9c543814c672d675e779948.execsrss.exe

description	pid	process
Token: SeDebugPrivilege	3040	89dd074909de6b659c4a831cbaebd3e35db47af4a9c543814c672d675e779948.exe
Token: SeImpersonatePrivilege	3040	89dd074909de6b659c4a831cbaebd3e35db47af4a9c543814c672d675e779948.exe
Token: SeSystemEnvironmentPrivilege	4596	csrss.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

89dd074909de6b659c4a831cbaebd3e35db47af4a9c543814c672d675e779948.execmd.execsrss.exe

description	pid	process	target process
PID 4284 wrote to memory of 4308	4284	89dd074909de6b659c4a831cbaebd3e35db47af4a9c543814c672d675e779948.exe	cmd.exe
PID 4284 wrote to memory of 4308	4284	89dd074909de6b659c4a831cbaebd3e35db47af4a9c543814c672d675e779948.exe	cmd.exe
PID 4308 wrote to memory of 2728	4308	cmd.exe	netsh.exe
PID 4308 wrote to memory of 2728	4308	cmd.exe	netsh.exe
PID 4284 wrote to memory of 4596	4284	89dd074909de6b659c4a831cbaebd3e35db47af4a9c543814c672d675e779948.exe	csrss.exe
PID 4284 wrote to memory of 4596	4284	89dd074909de6b659c4a831cbaebd3e35db47af4a9c543814c672d675e779948.exe	csrss.exe
PID 4284 wrote to memory of 4596	4284	89dd074909de6b659c4a831cbaebd3e35db47af4a9c543814c672d675e779948.exe	csrss.exe
PID 4596 wrote to memory of 1680	4596	csrss.exe	injector.exe
PID 4596 wrote to memory of 1680	4596	csrss.exe	injector.exe

C:\Users\Admin\AppData\Local\Temp\89dd074909de6b659c4a831cbaebd3e35db47af4a9c543814c672d675e779948.exe
"C:\Users\Admin\AppData\Local\Temp\89dd074909de6b659c4a831cbaebd3e35db47af4a9c543814c672d675e779948.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3040

C:\Users\Admin\AppData\Local\Temp\89dd074909de6b659c4a831cbaebd3e35db47af4a9c543814c672d675e779948.exe
"C:\Users\Admin\AppData\Local\Temp\89dd074909de6b659c4a831cbaebd3e35db47af4a9c543814c672d675e779948.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:4284

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:4308

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:2728

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:4596

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:1256

C:\Windows\SYSTEM32\schtasks.exe
schtasks /delete /tn ScheduledUpdate /f
4⤵
PID:1828

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:1680

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:3444

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
4.0MB

MD5
8c1b0c75dd22828d69ea96648b946644

SHA1
fe97919fa659a85432c00766e77cd5d0f17f8c9f

SHA256
89dd074909de6b659c4a831cbaebd3e35db47af4a9c543814c672d675e779948

SHA512
b7f118d79fa91a9c5eda35567c9bc3fc824c5de22110e84619584d485db03272d4779f8c870e6fd91a8c2d5e2da5144bd4264aee3192401eb01a204784a91cc4

Download Submit
C:\Windows\rss\csrss.exe
Filesize
4.0MB

MD5
8c1b0c75dd22828d69ea96648b946644

SHA1
fe97919fa659a85432c00766e77cd5d0f17f8c9f

SHA256
89dd074909de6b659c4a831cbaebd3e35db47af4a9c543814c672d675e779948

SHA512
b7f118d79fa91a9c5eda35567c9bc3fc824c5de22110e84619584d485db03272d4779f8c870e6fd91a8c2d5e2da5144bd4264aee3192401eb01a204784a91cc4

Download Submit
memory/1680-377-0x0000000000000000-mapping.dmp

Download
memory/2728-297-0x0000000000000000-mapping.dmp

Download
memory/3040-155-0x00000000779B0000-0x0000000077B3E000-memory.dmp

Filesize
1.6MB

Download
memory/3040-242-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/3040-122-0x00000000779B0000-0x0000000077B3E000-memory.dmp

Filesize
1.6MB

Download
memory/3040-123-0x00000000779B0000-0x0000000077B3E000-memory.dmp

Filesize
1.6MB

Download
memory/3040-124-0x00000000779B0000-0x0000000077B3E000-memory.dmp

Filesize
1.6MB

Download
memory/3040-125-0x00000000779B0000-0x0000000077B3E000-memory.dmp

Filesize
1.6MB

Download
memory/3040-126-0x00000000779B0000-0x0000000077B3E000-memory.dmp

Filesize
1.6MB

Download
memory/3040-127-0x00000000779B0000-0x0000000077B3E000-memory.dmp

Filesize
1.6MB

Download
memory/3040-128-0x00000000779B0000-0x0000000077B3E000-memory.dmp

Filesize
1.6MB

Download
memory/3040-129-0x00000000779B0000-0x0000000077B3E000-memory.dmp

Filesize
1.6MB

Download
memory/3040-130-0x00000000779B0000-0x0000000077B3E000-memory.dmp

Filesize
1.6MB

Download
memory/3040-132-0x00000000779B0000-0x0000000077B3E000-memory.dmp

Filesize
1.6MB

Download
memory/3040-131-0x00000000779B0000-0x0000000077B3E000-memory.dmp

Filesize
1.6MB

Download
memory/3040-134-0x00000000779B0000-0x0000000077B3E000-memory.dmp

Filesize
1.6MB

Download
memory/3040-135-0x00000000779B0000-0x0000000077B3E000-memory.dmp

Filesize
1.6MB

Download
memory/3040-137-0x00000000779B0000-0x0000000077B3E000-memory.dmp

Filesize
1.6MB

Download
memory/3040-138-0x00000000779B0000-0x0000000077B3E000-memory.dmp

Filesize
1.6MB

Download
memory/3040-136-0x0000000002950000-0x0000000002D41000-memory.dmp

Filesize
3.9MB

Download
memory/3040-140-0x0000000002D50000-0x00000000035C6000-memory.dmp

Filesize
8.5MB

Download
memory/3040-141-0x00000000779B0000-0x0000000077B3E000-memory.dmp

Filesize
1.6MB

Download
memory/3040-139-0x00000000779B0000-0x0000000077B3E000-memory.dmp

Filesize
1.6MB

Download
memory/3040-142-0x00000000779B0000-0x0000000077B3E000-memory.dmp

Filesize
1.6MB

Download
memory/3040-143-0x00000000779B0000-0x0000000077B3E000-memory.dmp

Filesize
1.6MB

Download
memory/3040-144-0x00000000779B0000-0x0000000077B3E000-memory.dmp

Filesize
1.6MB

Download
memory/3040-145-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/3040-161-0x00000000779B0000-0x0000000077B3E000-memory.dmp

Filesize
1.6MB

Download
memory/3040-147-0x00000000779B0000-0x0000000077B3E000-memory.dmp

Filesize
1.6MB

Download
memory/3040-148-0x00000000779B0000-0x0000000077B3E000-memory.dmp

Filesize
1.6MB

Download
memory/3040-149-0x00000000779B0000-0x0000000077B3E000-memory.dmp

Filesize
1.6MB

Download
memory/3040-150-0x00000000779B0000-0x0000000077B3E000-memory.dmp

Filesize
1.6MB

Download
memory/3040-151-0x00000000779B0000-0x0000000077B3E000-memory.dmp

Filesize
1.6MB

Download
memory/3040-152-0x00000000779B0000-0x0000000077B3E000-memory.dmp

Filesize
1.6MB

Download
memory/3040-153-0x00000000779B0000-0x0000000077B3E000-memory.dmp

Filesize
1.6MB

Download
memory/3040-154-0x00000000779B0000-0x0000000077B3E000-memory.dmp

Filesize
1.6MB

Download
memory/3040-120-0x00000000779B0000-0x0000000077B3E000-memory.dmp

Filesize
1.6MB

Download
memory/3040-156-0x00000000779B0000-0x0000000077B3E000-memory.dmp

Filesize
1.6MB

Download
memory/3040-157-0x00000000779B0000-0x0000000077B3E000-memory.dmp

Filesize
1.6MB

Download
memory/3040-158-0x00000000779B0000-0x0000000077B3E000-memory.dmp

Filesize
1.6MB

Download
memory/3040-118-0x00000000779B0000-0x0000000077B3E000-memory.dmp

Filesize
1.6MB

Download
memory/3040-121-0x00000000779B0000-0x0000000077B3E000-memory.dmp

Filesize
1.6MB

Download
memory/3040-146-0x00000000779B0000-0x0000000077B3E000-memory.dmp

Filesize
1.6MB

Download
memory/3040-162-0x00000000779B0000-0x0000000077B3E000-memory.dmp

Filesize
1.6MB

Download
memory/3040-163-0x00000000779B0000-0x0000000077B3E000-memory.dmp

Filesize
1.6MB

Download
memory/3040-164-0x00000000779B0000-0x0000000077B3E000-memory.dmp

Filesize
1.6MB

Download
memory/3040-165-0x00000000779B0000-0x0000000077B3E000-memory.dmp

Filesize
1.6MB

Download
memory/3040-166-0x00000000779B0000-0x0000000077B3E000-memory.dmp

Filesize
1.6MB

Download
memory/3040-167-0x00000000779B0000-0x0000000077B3E000-memory.dmp

Filesize
1.6MB

Download
memory/3040-168-0x00000000779B0000-0x0000000077B3E000-memory.dmp

Filesize
1.6MB

Download
memory/3040-169-0x00000000779B0000-0x0000000077B3E000-memory.dmp

Filesize
1.6MB

Download
memory/3040-170-0x00000000779B0000-0x0000000077B3E000-memory.dmp

Filesize
1.6MB

Download
memory/3040-172-0x00000000779B0000-0x0000000077B3E000-memory.dmp

Filesize
1.6MB

Download
memory/3040-171-0x00000000779B0000-0x0000000077B3E000-memory.dmp

Filesize
1.6MB

Download
memory/3040-173-0x00000000779B0000-0x0000000077B3E000-memory.dmp

Filesize
1.6MB

Download
memory/3040-174-0x00000000779B0000-0x0000000077B3E000-memory.dmp

Filesize
1.6MB

Download
memory/3040-175-0x00000000779B0000-0x0000000077B3E000-memory.dmp

Filesize
1.6MB

Download
memory/3040-176-0x00000000779B0000-0x0000000077B3E000-memory.dmp

Filesize
1.6MB

Download
memory/3040-177-0x00000000779B0000-0x0000000077B3E000-memory.dmp

Filesize
1.6MB

Download
memory/3040-178-0x00000000779B0000-0x0000000077B3E000-memory.dmp

Filesize
1.6MB

Download
memory/3040-179-0x00000000779B0000-0x0000000077B3E000-memory.dmp

Filesize
1.6MB

Download
memory/3040-180-0x00000000779B0000-0x0000000077B3E000-memory.dmp

Filesize
1.6MB

Download
memory/3040-181-0x00000000779B0000-0x0000000077B3E000-memory.dmp

Filesize
1.6MB

Download
memory/3040-182-0x00000000779B0000-0x0000000077B3E000-memory.dmp

Filesize
1.6MB

Download
memory/3040-183-0x00000000779B0000-0x0000000077B3E000-memory.dmp

Filesize
1.6MB

Download
memory/3040-184-0x00000000779B0000-0x0000000077B3E000-memory.dmp

Filesize
1.6MB

Download
memory/3040-185-0x00000000779B0000-0x0000000077B3E000-memory.dmp

Filesize
1.6MB

Download
memory/3040-160-0x00000000779B0000-0x0000000077B3E000-memory.dmp

Filesize
1.6MB

Download
memory/3040-159-0x00000000779B0000-0x0000000077B3E000-memory.dmp

Filesize
1.6MB

Download
memory/3040-119-0x00000000779B0000-0x0000000077B3E000-memory.dmp

Filesize
1.6MB

Download
memory/4284-304-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/4284-295-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/4284-294-0x0000000002A40000-0x0000000002E36000-memory.dmp

Filesize
4.0MB

Download
memory/4308-296-0x0000000000000000-mapping.dmp

Download
memory/4596-299-0x0000000000000000-mapping.dmp

Download
memory/4596-322-0x0000000003000000-0x00000000033EA000-memory.dmp

Filesize
3.9MB

Download
memory/4596-362-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/4596-380-0x0000000003000000-0x00000000033EA000-memory.dmp

Filesize
3.9MB

Download
memory/4596-382-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download