glupteba | b50586b8be7701d3e87139ae951ea6b86394870b931dbec30379691d5bf20416

General

Target

b50586b8be7701d3e87139ae951ea6b86394870b931dbec30379691d5bf20416.exe
Size

4.1MB
MD5

216348d1a6bfd229f076c7ff0b33ffab
SHA1

8c97e6a52f31b8da26f5a9708ab6c335ba92391a
SHA256

b50586b8be7701d3e87139ae951ea6b86394870b931dbec30379691d5bf20416
SHA512

c10076f51991a7eb92428d25a44623f14e473928c4bb2ebd8a5659878e29b2534f71071a5f08a4792b78c09f26ed7160390166293bc4b1eac9fcb241948d4299
SSDEEP

98304:rPiG3d5il2l8pCrcfzNlt7+i6I2BiezZYW9Jlak7JC:rPd0l2GpC4plgE43YW9JIF

Score

10^/10

glupteba discovery dropper evasion loader persistence upx

Malware Config

Signatures

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

Suspicious use of NtCreateUserProcessOtherParentProcess 6 IoCs

Processes:

svchost.exe

description	pid	process	target process
PID 3416 created 4732	3416	svchost.exe	b50586b8be7701d3e87139ae951ea6b86394870b931dbec30379691d5bf20416.exe
PID 3416 created 3480	3416	svchost.exe	csrss.exe
PID 3416 created 3480	3416	svchost.exe	csrss.exe
PID 3416 created 3480	3416	svchost.exe	csrss.exe
PID 3416 created 904	3416	svchost.exe	f801950a962ddba14caaa44bf084b55c.exe
PID 3416 created 904	3416	svchost.exe	f801950a962ddba14caaa44bf084b55c.exe

Executes dropped EXE 3 IoCs

Processes:

csrss.exeinjector.exef801950a962ddba14caaa44bf084b55c.exe

pid process

3480 csrss.exe
4500 injector.exe
904 f801950a962ddba14caaa44bf084b55c.exe
Modifies Windows Firewall 1 TTPs 1 IoCs
evasion

Modify Existing Service
T1031

Processes:

netsh.exe

pid process

3084 netsh.exe

pid	process
3480	csrss.exe
4500	injector.exe
904	f801950a962ddba14caaa44bf084b55c.exe

pid	process
3084	netsh.exe

UPX packed file 3 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

Processes:

resource	yara_rule
C:\Users\Admin\AppData\Local\Temp\csrss\f801950a962ddba14caaa44bf084b55c.exe	upx
C:\Users\Admin\AppData\Local\Temp\csrss\f801950a962ddba14caaa44bf084b55c.exe	upx
behavioral1/memory/904-157-0x0000000000400000-0x0000000000C25000-memory.dmp	upx

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

b50586b8be7701d3e87139ae951ea6b86394870b931dbec30379691d5bf20416.execsrss.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\""	b50586b8be7701d3e87139ae951ea6b86394870b931dbec30379691d5bf20416.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\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:

b50586b8be7701d3e87139ae951ea6b86394870b931dbec30379691d5bf20416.exe

description	ioc	process
File opened for modification	C:\Windows\rss	b50586b8be7701d3e87139ae951ea6b86394870b931dbec30379691d5bf20416.exe
File created	C:\Windows\rss\csrss.exe	b50586b8be7701d3e87139ae951ea6b86394870b931dbec30379691d5bf20416.exe

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

3028 4576 WerFault.exe b50586b8be7701d3e87139ae951ea6b86394870b931dbec30379691d5bf20416.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

1368 schtasks.exe
544 schtasks.exe

pid	pid_target	process	target process
3028	4576	WerFault.exe	b50586b8be7701d3e87139ae951ea6b86394870b931dbec30379691d5bf20416.exe

pid	process
1368	schtasks.exe
544	schtasks.exe

Modifies data under HKEY_USERS 64 IoCs

Processes:

b50586b8be7701d3e87139ae951ea6b86394870b931dbec30379691d5bf20416.execsrss.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2891 = "Sudan Daylight Time"	b50586b8be7701d3e87139ae951ea6b86394870b931dbec30379691d5bf20416.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2141 = "Transbaikal Daylight Time"	b50586b8be7701d3e87139ae951ea6b86394870b931dbec30379691d5bf20416.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2612 = "Bougainville Standard Time"	b50586b8be7701d3e87139ae951ea6b86394870b931dbec30379691d5bf20416.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2611 = "Bougainville Daylight Time"	b50586b8be7701d3e87139ae951ea6b86394870b931dbec30379691d5bf20416.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-301 = "Romance Daylight Time"	b50586b8be7701d3e87139ae951ea6b86394870b931dbec30379691d5bf20416.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-42 = "E. South America Standard Time"	b50586b8be7701d3e87139ae951ea6b86394870b931dbec30379691d5bf20416.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2372 = "Easter Island Standard Time"	b50586b8be7701d3e87139ae951ea6b86394870b931dbec30379691d5bf20416.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1872 = "Russia TZ 7 Standard Time"	b50586b8be7701d3e87139ae951ea6b86394870b931dbec30379691d5bf20416.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2062 = "North Korea Standard Time"	b50586b8be7701d3e87139ae951ea6b86394870b931dbec30379691d5bf20416.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-3141 = "South Sudan Daylight Time"	b50586b8be7701d3e87139ae951ea6b86394870b931dbec30379691d5bf20416.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-841 = "Argentina Daylight Time"	b50586b8be7701d3e87139ae951ea6b86394870b931dbec30379691d5bf20416.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-452 = "Caucasus Standard Time"	b50586b8be7701d3e87139ae951ea6b86394870b931dbec30379691d5bf20416.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2431 = "Cuba Daylight Time"	b50586b8be7701d3e87139ae951ea6b86394870b931dbec30379691d5bf20416.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1502 = "Turkey Standard Time"	b50586b8be7701d3e87139ae951ea6b86394870b931dbec30379691d5bf20416.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1411 = "Syria Daylight Time"	b50586b8be7701d3e87139ae951ea6b86394870b931dbec30379691d5bf20416.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1021 = "Bangladesh Daylight Time"	b50586b8be7701d3e87139ae951ea6b86394870b931dbec30379691d5bf20416.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"	b50586b8be7701d3e87139ae951ea6b86394870b931dbec30379691d5bf20416.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2791 = "Novosibirsk Daylight Time"	b50586b8be7701d3e87139ae951ea6b86394870b931dbec30379691d5bf20416.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-831 = "SA Eastern Daylight Time"	b50586b8be7701d3e87139ae951ea6b86394870b931dbec30379691d5bf20416.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2392 = "Aleutian Standard Time"	b50586b8be7701d3e87139ae951ea6b86394870b931dbec30379691d5bf20416.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-771 = "Montevideo Daylight Time"	b50586b8be7701d3e87139ae951ea6b86394870b931dbec30379691d5bf20416.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-3051 = "Qyzylorda Daylight Time"	b50586b8be7701d3e87139ae951ea6b86394870b931dbec30379691d5bf20416.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-872 = "Pakistan Standard Time"	b50586b8be7701d3e87139ae951ea6b86394870b931dbec30379691d5bf20416.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1831 = "Russia TZ 2 Daylight Time"	b50586b8be7701d3e87139ae951ea6b86394870b931dbec30379691d5bf20416.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-242 = "Samoa Standard Time"	b50586b8be7701d3e87139ae951ea6b86394870b931dbec30379691d5bf20416.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2142 = "Transbaikal Standard Time"	b50586b8be7701d3e87139ae951ea6b86394870b931dbec30379691d5bf20416.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2391 = "Aleutian Daylight Time"	b50586b8be7701d3e87139ae951ea6b86394870b931dbec30379691d5bf20416.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-912 = "Mauritius Standard Time"	b50586b8be7701d3e87139ae951ea6b86394870b931dbec30379691d5bf20416.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2771 = "Omsk Daylight Time"	b50586b8be7701d3e87139ae951ea6b86394870b931dbec30379691d5bf20416.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-32 = "Mid-Atlantic Standard Time"	b50586b8be7701d3e87139ae951ea6b86394870b931dbec30379691d5bf20416.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-192 = "Mountain Standard Time"	b50586b8be7701d3e87139ae951ea6b86394870b931dbec30379691d5bf20416.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1931 = "Russia TZ 11 Daylight Time"	b50586b8be7701d3e87139ae951ea6b86394870b931dbec30379691d5bf20416.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2182 = "Astrakhan Standard Time"	b50586b8be7701d3e87139ae951ea6b86394870b931dbec30379691d5bf20416.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-51 = "Greenland Daylight Time"	b50586b8be7701d3e87139ae951ea6b86394870b931dbec30379691d5bf20416.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-231 = "Hawaiian Daylight Time"	b50586b8be7701d3e87139ae951ea6b86394870b931dbec30379691d5bf20416.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-792 = "SA Western Standard Time"	b50586b8be7701d3e87139ae951ea6b86394870b931dbec30379691d5bf20416.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-561 = "SE Asia Daylight Time"	b50586b8be7701d3e87139ae951ea6b86394870b931dbec30379691d5bf20416.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-381 = "South Africa Daylight Time"	b50586b8be7701d3e87139ae951ea6b86394870b931dbec30379691d5bf20416.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-842 = "Argentina Standard Time"	b50586b8be7701d3e87139ae951ea6b86394870b931dbec30379691d5bf20416.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-682 = "E. Australia Standard Time"	b50586b8be7701d3e87139ae951ea6b86394870b931dbec30379691d5bf20416.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2632 = "Norfolk Standard Time"	b50586b8be7701d3e87139ae951ea6b86394870b931dbec30379691d5bf20416.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-142 = "Canada Central Standard Time"	b50586b8be7701d3e87139ae951ea6b86394870b931dbec30379691d5bf20416.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-121 = "SA Pacific Daylight Time"	b50586b8be7701d3e87139ae951ea6b86394870b931dbec30379691d5bf20416.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-241 = "Samoa Daylight Time"	b50586b8be7701d3e87139ae951ea6b86394870b931dbec30379691d5bf20416.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2892 = "Sudan Standard Time"	b50586b8be7701d3e87139ae951ea6b86394870b931dbec30379691d5bf20416.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-52 = "Greenland Standard Time"	b50586b8be7701d3e87139ae951ea6b86394870b931dbec30379691d5bf20416.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-364 = "Middle East Daylight Time"	b50586b8be7701d3e87139ae951ea6b86394870b931dbec30379691d5bf20416.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-892 = "Morocco Standard Time"	b50586b8be7701d3e87139ae951ea6b86394870b931dbec30379691d5bf20416.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-212 = "Pacific Standard Time"	b50586b8be7701d3e87139ae951ea6b86394870b931dbec30379691d5bf20416.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-871 = "Pakistan Daylight Time"	b50586b8be7701d3e87139ae951ea6b86394870b931dbec30379691d5bf20416.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2752 = "Tomsk Standard Time"	b50586b8be7701d3e87139ae951ea6b86394870b931dbec30379691d5bf20416.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-751 = "Tonga Daylight Time"	b50586b8be7701d3e87139ae951ea6b86394870b931dbec30379691d5bf20416.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1501 = "Turkey Daylight Time"	b50586b8be7701d3e87139ae951ea6b86394870b931dbec30379691d5bf20416.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-81 = "Atlantic Daylight Time"	b50586b8be7701d3e87139ae951ea6b86394870b931dbec30379691d5bf20416.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-171 = "Central Daylight Time (Mexico)"	b50586b8be7701d3e87139ae951ea6b86394870b931dbec30379691d5bf20416.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1871 = "Russia TZ 7 Daylight Time"	b50586b8be7701d3e87139ae951ea6b86394870b931dbec30379691d5bf20416.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-651 = "AUS Central Daylight Time"	b50586b8be7701d3e87139ae951ea6b86394870b931dbec30379691d5bf20416.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-251 = "Dateline Daylight Time"	b50586b8be7701d3e87139ae951ea6b86394870b931dbec30379691d5bf20416.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-492 = "India Standard Time"	b50586b8be7701d3e87139ae951ea6b86394870b931dbec30379691d5bf20416.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-434 = "Georgian Daylight Time"	b50586b8be7701d3e87139ae951ea6b86394870b931dbec30379691d5bf20416.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

b50586b8be7701d3e87139ae951ea6b86394870b931dbec30379691d5bf20416.exeb50586b8be7701d3e87139ae951ea6b86394870b931dbec30379691d5bf20416.exeinjector.execsrss.exe

pid	process
4732	b50586b8be7701d3e87139ae951ea6b86394870b931dbec30379691d5bf20416.exe
4732	b50586b8be7701d3e87139ae951ea6b86394870b931dbec30379691d5bf20416.exe
4576	b50586b8be7701d3e87139ae951ea6b86394870b931dbec30379691d5bf20416.exe
4576	b50586b8be7701d3e87139ae951ea6b86394870b931dbec30379691d5bf20416.exe
4576	b50586b8be7701d3e87139ae951ea6b86394870b931dbec30379691d5bf20416.exe
4576	b50586b8be7701d3e87139ae951ea6b86394870b931dbec30379691d5bf20416.exe
4576	b50586b8be7701d3e87139ae951ea6b86394870b931dbec30379691d5bf20416.exe
4576	b50586b8be7701d3e87139ae951ea6b86394870b931dbec30379691d5bf20416.exe
4576	b50586b8be7701d3e87139ae951ea6b86394870b931dbec30379691d5bf20416.exe
4576	b50586b8be7701d3e87139ae951ea6b86394870b931dbec30379691d5bf20416.exe
4576	b50586b8be7701d3e87139ae951ea6b86394870b931dbec30379691d5bf20416.exe
4576	b50586b8be7701d3e87139ae951ea6b86394870b931dbec30379691d5bf20416.exe
4500	injector.exe
4500	injector.exe
4500	injector.exe
4500	injector.exe
4500	injector.exe
4500	injector.exe
3480	csrss.exe
3480	csrss.exe
4500	injector.exe
4500	injector.exe
4500	injector.exe
4500	injector.exe
4500	injector.exe
4500	injector.exe
3480	csrss.exe
3480	csrss.exe
4500	injector.exe
4500	injector.exe
4500	injector.exe
4500	injector.exe
4500	injector.exe
4500	injector.exe
4500	injector.exe
4500	injector.exe
4500	injector.exe
4500	injector.exe
4500	injector.exe
4500	injector.exe
4500	injector.exe
4500	injector.exe
4500	injector.exe
4500	injector.exe
4500	injector.exe
4500	injector.exe
4500	injector.exe
4500	injector.exe
4500	injector.exe
4500	injector.exe
4500	injector.exe
4500	injector.exe
4500	injector.exe
4500	injector.exe
4500	injector.exe
4500	injector.exe
4500	injector.exe
4500	injector.exe
4500	injector.exe
4500	injector.exe
4500	injector.exe
4500	injector.exe
4500	injector.exe
4500	injector.exe

Suspicious use of AdjustPrivilegeToken 25 IoCs

Processes:

b50586b8be7701d3e87139ae951ea6b86394870b931dbec30379691d5bf20416.exesvchost.execsrss.exe

description	pid	process
Token: SeDebugPrivilege	4732	b50586b8be7701d3e87139ae951ea6b86394870b931dbec30379691d5bf20416.exe
Token: SeImpersonatePrivilege	4732	b50586b8be7701d3e87139ae951ea6b86394870b931dbec30379691d5bf20416.exe
Token: SeTcbPrivilege	3416	svchost.exe
Token: SeTcbPrivilege	3416	svchost.exe
Token: SeBackupPrivilege	3416	svchost.exe
Token: SeRestorePrivilege	3416	svchost.exe
Token: SeBackupPrivilege	3416	svchost.exe
Token: SeRestorePrivilege	3416	svchost.exe
Token: SeBackupPrivilege	3416	svchost.exe
Token: SeRestorePrivilege	3416	svchost.exe
Token: SeBackupPrivilege	3416	svchost.exe
Token: SeRestorePrivilege	3416	svchost.exe
Token: SeSystemEnvironmentPrivilege	3480	csrss.exe
Token: SeBackupPrivilege	3416	svchost.exe
Token: SeRestorePrivilege	3416	svchost.exe
Token: SeBackupPrivilege	3416	svchost.exe
Token: SeRestorePrivilege	3416	svchost.exe
Token: SeBackupPrivilege	3416	svchost.exe
Token: SeRestorePrivilege	3416	svchost.exe
Token: SeBackupPrivilege	3416	svchost.exe
Token: SeRestorePrivilege	3416	svchost.exe
Token: SeBackupPrivilege	3416	svchost.exe
Token: SeRestorePrivilege	3416	svchost.exe
Token: SeBackupPrivilege	3416	svchost.exe
Token: SeRestorePrivilege	3416	svchost.exe

Suspicious use of WriteProcessMemory 25 IoCs

Processes:

svchost.exeb50586b8be7701d3e87139ae951ea6b86394870b931dbec30379691d5bf20416.execmd.execsrss.exe

description	pid	process	target process
PID 3416 wrote to memory of 4576	3416	svchost.exe	b50586b8be7701d3e87139ae951ea6b86394870b931dbec30379691d5bf20416.exe
PID 3416 wrote to memory of 4576	3416	svchost.exe	b50586b8be7701d3e87139ae951ea6b86394870b931dbec30379691d5bf20416.exe
PID 3416 wrote to memory of 4576	3416	svchost.exe	b50586b8be7701d3e87139ae951ea6b86394870b931dbec30379691d5bf20416.exe
PID 4576 wrote to memory of 4092	4576	b50586b8be7701d3e87139ae951ea6b86394870b931dbec30379691d5bf20416.exe	cmd.exe
PID 4576 wrote to memory of 4092	4576	b50586b8be7701d3e87139ae951ea6b86394870b931dbec30379691d5bf20416.exe	cmd.exe
PID 4092 wrote to memory of 3084	4092	cmd.exe	netsh.exe
PID 4092 wrote to memory of 3084	4092	cmd.exe	netsh.exe
PID 4576 wrote to memory of 3480	4576	b50586b8be7701d3e87139ae951ea6b86394870b931dbec30379691d5bf20416.exe	csrss.exe
PID 4576 wrote to memory of 3480	4576	b50586b8be7701d3e87139ae951ea6b86394870b931dbec30379691d5bf20416.exe	csrss.exe
PID 4576 wrote to memory of 3480	4576	b50586b8be7701d3e87139ae951ea6b86394870b931dbec30379691d5bf20416.exe	csrss.exe
PID 3416 wrote to memory of 1368	3416	svchost.exe	schtasks.exe
PID 3416 wrote to memory of 1368	3416	svchost.exe	schtasks.exe
PID 3416 wrote to memory of 2200	3416	svchost.exe	schtasks.exe
PID 3416 wrote to memory of 2200	3416	svchost.exe	schtasks.exe
PID 3480 wrote to memory of 4500	3480	csrss.exe	injector.exe
PID 3480 wrote to memory of 4500	3480	csrss.exe	injector.exe
PID 3416 wrote to memory of 544	3416	svchost.exe	schtasks.exe
PID 3416 wrote to memory of 544	3416	svchost.exe	schtasks.exe
PID 3480 wrote to memory of 904	3480	csrss.exe	f801950a962ddba14caaa44bf084b55c.exe
PID 3480 wrote to memory of 904	3480	csrss.exe	f801950a962ddba14caaa44bf084b55c.exe
PID 3480 wrote to memory of 904	3480	csrss.exe	f801950a962ddba14caaa44bf084b55c.exe
PID 3416 wrote to memory of 4656	3416	svchost.exe	schtasks.exe
PID 3416 wrote to memory of 4656	3416	svchost.exe	schtasks.exe
PID 3416 wrote to memory of 3708	3416	svchost.exe	schtasks.exe
PID 3416 wrote to memory of 3708	3416	svchost.exe	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\b50586b8be7701d3e87139ae951ea6b86394870b931dbec30379691d5bf20416.exe
"C:\Users\Admin\AppData\Local\Temp\b50586b8be7701d3e87139ae951ea6b86394870b931dbec30379691d5bf20416.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4732

C:\Users\Admin\AppData\Local\Temp\b50586b8be7701d3e87139ae951ea6b86394870b931dbec30379691d5bf20416.exe
"C:\Users\Admin\AppData\Local\Temp\b50586b8be7701d3e87139ae951ea6b86394870b931dbec30379691d5bf20416.exe"
2⤵
- Adds Run key to start application
- Drops file in Windows directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4576

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:4092

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
PID:3084

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:3480

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:1368

C:\Windows\SYSTEM32\schtasks.exe
schtasks /delete /tn ScheduledUpdate /f
4⤵
PID:2200

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:4500

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:544

C:\Users\Admin\AppData\Local\Temp\csrss\f801950a962ddba14caaa44bf084b55c.exe
C:\Users\Admin\AppData\Local\Temp\csrss\f801950a962ddba14caaa44bf084b55c.exe
4⤵
- Executes dropped EXE
PID:904

C:\Windows\SYSTEM32\schtasks.exe
schtasks /delete /tn "csrss" /f
5⤵
PID:4656

C:\Windows\SYSTEM32\schtasks.exe
schtasks /delete /tn "ScheduledUpdate" /f
5⤵
PID:3708

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4576 -s 888
3⤵
- Program crash
PID:3028

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s seclogon
1⤵
- Suspicious use of NtCreateUserProcessOtherParentProcess
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3416

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 4576 -ip 4576
1⤵
PID:3672

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Modify Existing Service

1

T1031

Registry Run Keys / Startup Folder

1

T1060

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

Lateral Movement

Collection

Exfiltration

Command and Control

Web Service

1

T1102

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\csrss\f801950a962ddba14caaa44bf084b55c.exe
Filesize
3.2MB

MD5
f801950a962ddba14caaa44bf084b55c

SHA1
7cadc9076121297428442785536ba0df2d4ae996

SHA256
c3946ec89e15b24b743c46f9acacb58cff47da63f3ce2799d71ed90496b8891f

SHA512
4183bc76bdc84fb779e2e573d9a63d7de47096b63b945f9e335bee95ae28eb208f5ee15f6501ac59623b97c5b77f3455ca313512e7d9803e1704ae22a52459c5

Download Submit
C:\Users\Admin\AppData\Local\Temp\csrss\f801950a962ddba14caaa44bf084b55c.exe
Filesize
3.2MB

MD5
f801950a962ddba14caaa44bf084b55c

SHA1
7cadc9076121297428442785536ba0df2d4ae996

SHA256
c3946ec89e15b24b743c46f9acacb58cff47da63f3ce2799d71ed90496b8891f

SHA512
4183bc76bdc84fb779e2e573d9a63d7de47096b63b945f9e335bee95ae28eb208f5ee15f6501ac59623b97c5b77f3455ca313512e7d9803e1704ae22a52459c5

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:\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
216348d1a6bfd229f076c7ff0b33ffab

SHA1
8c97e6a52f31b8da26f5a9708ab6c335ba92391a

SHA256
b50586b8be7701d3e87139ae951ea6b86394870b931dbec30379691d5bf20416

SHA512
c10076f51991a7eb92428d25a44623f14e473928c4bb2ebd8a5659878e29b2534f71071a5f08a4792b78c09f26ed7160390166293bc4b1eac9fcb241948d4299

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

MD5
216348d1a6bfd229f076c7ff0b33ffab

SHA1
8c97e6a52f31b8da26f5a9708ab6c335ba92391a

SHA256
b50586b8be7701d3e87139ae951ea6b86394870b931dbec30379691d5bf20416

SHA512
c10076f51991a7eb92428d25a44623f14e473928c4bb2ebd8a5659878e29b2534f71071a5f08a4792b78c09f26ed7160390166293bc4b1eac9fcb241948d4299

Download Submit
memory/544-152-0x0000000000000000-mapping.dmp

Download
memory/904-157-0x0000000000400000-0x0000000000C25000-memory.dmp

Filesize
8.1MB

Download
memory/904-154-0x0000000000000000-mapping.dmp

Download
memory/1368-145-0x0000000000000000-mapping.dmp

Download
memory/2200-146-0x0000000000000000-mapping.dmp

Download
memory/3084-138-0x0000000000000000-mapping.dmp

Download
memory/3480-153-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/3480-158-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/3480-141-0x0000000000000000-mapping.dmp

Download
memory/3480-147-0x0000000002E00000-0x00000000031E9000-memory.dmp

Filesize
3.9MB

Download
memory/3480-148-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/3708-160-0x0000000000000000-mapping.dmp

Download
memory/4092-137-0x0000000000000000-mapping.dmp

Download
memory/4500-149-0x0000000000000000-mapping.dmp

Download
memory/4576-140-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/4576-139-0x0000000002798000-0x0000000002B81000-memory.dmp

Filesize
3.9MB

Download
memory/4576-144-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/4576-135-0x0000000000000000-mapping.dmp

Download
memory/4656-159-0x0000000000000000-mapping.dmp

Download
memory/4732-132-0x0000000002CA5000-0x000000000308E000-memory.dmp

Filesize
3.9MB

Download
memory/4732-133-0x0000000003090000-0x0000000003907000-memory.dmp

Filesize
8.5MB

Download
memory/4732-134-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/4732-136-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads