glupteba | 1a739183fa93a8728518c07da71be2ea90ecb144fc6f3b3c9dbf807e7fdde64d

General

Target

1a739183fa93a8728518c07da71be2ea90ecb144fc6f3b3c9dbf807e7fdde64d.exe
Size

4.2MB
MD5

3a9f3a4624bc8ec1ff95ce9ba40ea96b
SHA1

1022b9ed9d70a6e4adf5888f0d6f58194c82c7e8
SHA256

1a739183fa93a8728518c07da71be2ea90ecb144fc6f3b3c9dbf807e7fdde64d
SHA512

61b1c3ac7ba34d1a26640212d40ad89871aab75b7c275ba42086efba627a5ee940ef5123a6d965b641372443e12164ee4561114c8e2326768ea2ec6d2349f345
SSDEEP

98304:RC/oay0UtjjvmEYbQqX7o9EAxis5NYNYAOkLXq8AHA6OGY1L5mLVKqb79:43y0CjTmEYbQqXoZUYlZcYHAn5cV59

Score

10^/10

glupteba discovery dropper evasion loader persistence

Malware Config

Signatures

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

Suspicious use of NtCreateUserProcessOtherParentProcess 4 IoCs

Processes:

svchost.exe

description	pid	process	target process
PID 4964 created 4728	4964	svchost.exe	1a739183fa93a8728518c07da71be2ea90ecb144fc6f3b3c9dbf807e7fdde64d.exe
PID 4964 created 4532	4964	svchost.exe	csrss.exe
PID 4964 created 4532	4964	svchost.exe	csrss.exe
PID 4964 created 4532	4964	svchost.exe	csrss.exe

Modifies Windows Firewall 1 TTPs 1 IoCs
evasion

Modify Existing Service
T1031

Processes:

netsh.exe

pid process

3592 netsh.exe
Executes dropped EXE 2 IoCs

Processes:

csrss.exeinjector.exe

pid process

4532 csrss.exe
3028 injector.exe

pid	process
3592	netsh.exe

pid	process
4532	csrss.exe
3028	injector.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

1a739183fa93a8728518c07da71be2ea90ecb144fc6f3b3c9dbf807e7fdde64d.execsrss.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\""	1a739183fa93a8728518c07da71be2ea90ecb144fc6f3b3c9dbf807e7fdde64d.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\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:

1a739183fa93a8728518c07da71be2ea90ecb144fc6f3b3c9dbf807e7fdde64d.exe

description	ioc	process
File opened for modification	C:\Windows\rss	1a739183fa93a8728518c07da71be2ea90ecb144fc6f3b3c9dbf807e7fdde64d.exe
File created	C:\Windows\rss\csrss.exe	1a739183fa93a8728518c07da71be2ea90ecb144fc6f3b3c9dbf807e7fdde64d.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

5080 schtasks.exe
3392 schtasks.exe

pid	process
5080	schtasks.exe
3392	schtasks.exe

Modifies data under HKEY_USERS 64 IoCs

Processes:

1a739183fa93a8728518c07da71be2ea90ecb144fc6f3b3c9dbf807e7fdde64d.execsrss.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-142 = "Canada Central Standard Time"	1a739183fa93a8728518c07da71be2ea90ecb144fc6f3b3c9dbf807e7fdde64d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-291 = "Central European Daylight Time"	1a739183fa93a8728518c07da71be2ea90ecb144fc6f3b3c9dbf807e7fdde64d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1722 = "Libya Standard Time"	1a739183fa93a8728518c07da71be2ea90ecb144fc6f3b3c9dbf807e7fdde64d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2412 = "Marquesas Standard Time"	1a739183fa93a8728518c07da71be2ea90ecb144fc6f3b3c9dbf807e7fdde64d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2411 = "Marquesas Daylight Time"	1a739183fa93a8728518c07da71be2ea90ecb144fc6f3b3c9dbf807e7fdde64d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2061 = "North Korea Daylight Time"	1a739183fa93a8728518c07da71be2ea90ecb144fc6f3b3c9dbf807e7fdde64d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-302 = "Romance Standard Time"	1a739183fa93a8728518c07da71be2ea90ecb144fc6f3b3c9dbf807e7fdde64d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-492 = "India Standard Time"	1a739183fa93a8728518c07da71be2ea90ecb144fc6f3b3c9dbf807e7fdde64d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-32 = "Mid-Atlantic Standard Time"	1a739183fa93a8728518c07da71be2ea90ecb144fc6f3b3c9dbf807e7fdde64d.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-192 = "Mountain Standard Time"	1a739183fa93a8728518c07da71be2ea90ecb144fc6f3b3c9dbf807e7fdde64d.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2611 = "Bougainville Daylight Time"	1a739183fa93a8728518c07da71be2ea90ecb144fc6f3b3c9dbf807e7fdde64d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-104 = "Central Brazilian Daylight Time"	1a739183fa93a8728518c07da71be2ea90ecb144fc6f3b3c9dbf807e7fdde64d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-252 = "Dateline Standard Time"	1a739183fa93a8728518c07da71be2ea90ecb144fc6f3b3c9dbf807e7fdde64d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-831 = "SA Eastern Daylight Time"	1a739183fa93a8728518c07da71be2ea90ecb144fc6f3b3c9dbf807e7fdde64d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-511 = "Central Asia Daylight Time"	1a739183fa93a8728518c07da71be2ea90ecb144fc6f3b3c9dbf807e7fdde64d.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"	1a739183fa93a8728518c07da71be2ea90ecb144fc6f3b3c9dbf807e7fdde64d.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"	1a739183fa93a8728518c07da71be2ea90ecb144fc6f3b3c9dbf807e7fdde64d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1661 = "Bahia Daylight Time"	1a739183fa93a8728518c07da71be2ea90ecb144fc6f3b3c9dbf807e7fdde64d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-512 = "Central Asia Standard Time"	1a739183fa93a8728518c07da71be2ea90ecb144fc6f3b3c9dbf807e7fdde64d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-41 = "E. South America Daylight Time"	1a739183fa93a8728518c07da71be2ea90ecb144fc6f3b3c9dbf807e7fdde64d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2871 = "Magallanes Daylight Time"	1a739183fa93a8728518c07da71be2ea90ecb144fc6f3b3c9dbf807e7fdde64d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-182 = "Mountain Standard Time (Mexico)"	1a739183fa93a8728518c07da71be2ea90ecb144fc6f3b3c9dbf807e7fdde64d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-832 = "SA Eastern Standard Time"	1a739183fa93a8728518c07da71be2ea90ecb144fc6f3b3c9dbf807e7fdde64d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-202 = "US Mountain Standard Time"	1a739183fa93a8728518c07da71be2ea90ecb144fc6f3b3c9dbf807e7fdde64d.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,-2432 = "Cuba Standard Time"	1a739183fa93a8728518c07da71be2ea90ecb144fc6f3b3c9dbf807e7fdde64d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-262 = "GMT Standard Time"	1a739183fa93a8728518c07da71be2ea90ecb144fc6f3b3c9dbf807e7fdde64d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-502 = "Nepal Standard Time"	1a739183fa93a8728518c07da71be2ea90ecb144fc6f3b3c9dbf807e7fdde64d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-501 = "Nepal Daylight Time"	1a739183fa93a8728518c07da71be2ea90ecb144fc6f3b3c9dbf807e7fdde64d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-442 = "Arabian Standard Time"	1a739183fa93a8728518c07da71be2ea90ecb144fc6f3b3c9dbf807e7fdde64d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2612 = "Bougainville Standard Time"	1a739183fa93a8728518c07da71be2ea90ecb144fc6f3b3c9dbf807e7fdde64d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-335 = "Jordan Standard Time"	1a739183fa93a8728518c07da71be2ea90ecb144fc6f3b3c9dbf807e7fdde64d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-334 = "Jordan Daylight Time"	1a739183fa93a8728518c07da71be2ea90ecb144fc6f3b3c9dbf807e7fdde64d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-92 = "Pacific SA Standard Time"	1a739183fa93a8728518c07da71be2ea90ecb144fc6f3b3c9dbf807e7fdde64d.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs	csrss.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,-532 = "Sri Lanka Standard Time"	1a739183fa93a8728518c07da71be2ea90ecb144fc6f3b3c9dbf807e7fdde64d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2391 = "Aleutian Daylight Time"	1a739183fa93a8728518c07da71be2ea90ecb144fc6f3b3c9dbf807e7fdde64d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2321 = "Sakhalin Daylight Time"	1a739183fa93a8728518c07da71be2ea90ecb144fc6f3b3c9dbf807e7fdde64d.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-401 = "Arabic Daylight Time"	1a739183fa93a8728518c07da71be2ea90ecb144fc6f3b3c9dbf807e7fdde64d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-112 = "Eastern Standard Time"	1a739183fa93a8728518c07da71be2ea90ecb144fc6f3b3c9dbf807e7fdde64d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1821 = "Russia TZ 1 Daylight Time"	1a739183fa93a8728518c07da71be2ea90ecb144fc6f3b3c9dbf807e7fdde64d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-72 = "Newfoundland Standard Time"	1a739183fa93a8728518c07da71be2ea90ecb144fc6f3b3c9dbf807e7fdde64d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-122 = "SA Pacific Standard Time"	1a739183fa93a8728518c07da71be2ea90ecb144fc6f3b3c9dbf807e7fdde64d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-382 = "South Africa Standard Time"	1a739183fa93a8728518c07da71be2ea90ecb144fc6f3b3c9dbf807e7fdde64d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-601 = "Taipei Daylight Time"	1a739183fa93a8728518c07da71be2ea90ecb144fc6f3b3c9dbf807e7fdde64d.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,-111 = "Eastern Daylight Time"	1a739183fa93a8728518c07da71be2ea90ecb144fc6f3b3c9dbf807e7fdde64d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1471 = "Magadan Daylight Time"	1a739183fa93a8728518c07da71be2ea90ecb144fc6f3b3c9dbf807e7fdde64d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-872 = "Pakistan Standard Time"	1a739183fa93a8728518c07da71be2ea90ecb144fc6f3b3c9dbf807e7fdde64d.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,-2181 = "Astrakhan Daylight Time"	1a739183fa93a8728518c07da71be2ea90ecb144fc6f3b3c9dbf807e7fdde64d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-981 = "Kamchatka Daylight Time"	1a739183fa93a8728518c07da71be2ea90ecb144fc6f3b3c9dbf807e7fdde64d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2632 = "Norfolk Standard Time"	1a739183fa93a8728518c07da71be2ea90ecb144fc6f3b3c9dbf807e7fdde64d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-241 = "Samoa Daylight Time"	1a739183fa93a8728518c07da71be2ea90ecb144fc6f3b3c9dbf807e7fdde64d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-632 = "Tokyo Standard Time"	1a739183fa93a8728518c07da71be2ea90ecb144fc6f3b3c9dbf807e7fdde64d.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2392 = "Aleutian Standard Time"	1a739183fa93a8728518c07da71be2ea90ecb144fc6f3b3c9dbf807e7fdde64d.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

1a739183fa93a8728518c07da71be2ea90ecb144fc6f3b3c9dbf807e7fdde64d.exe1a739183fa93a8728518c07da71be2ea90ecb144fc6f3b3c9dbf807e7fdde64d.exeinjector.execsrss.exe

pid	process
4728	1a739183fa93a8728518c07da71be2ea90ecb144fc6f3b3c9dbf807e7fdde64d.exe
4728	1a739183fa93a8728518c07da71be2ea90ecb144fc6f3b3c9dbf807e7fdde64d.exe
3680	1a739183fa93a8728518c07da71be2ea90ecb144fc6f3b3c9dbf807e7fdde64d.exe
3680	1a739183fa93a8728518c07da71be2ea90ecb144fc6f3b3c9dbf807e7fdde64d.exe
3680	1a739183fa93a8728518c07da71be2ea90ecb144fc6f3b3c9dbf807e7fdde64d.exe
3680	1a739183fa93a8728518c07da71be2ea90ecb144fc6f3b3c9dbf807e7fdde64d.exe
3680	1a739183fa93a8728518c07da71be2ea90ecb144fc6f3b3c9dbf807e7fdde64d.exe
3680	1a739183fa93a8728518c07da71be2ea90ecb144fc6f3b3c9dbf807e7fdde64d.exe
3680	1a739183fa93a8728518c07da71be2ea90ecb144fc6f3b3c9dbf807e7fdde64d.exe
3680	1a739183fa93a8728518c07da71be2ea90ecb144fc6f3b3c9dbf807e7fdde64d.exe
3680	1a739183fa93a8728518c07da71be2ea90ecb144fc6f3b3c9dbf807e7fdde64d.exe
3680	1a739183fa93a8728518c07da71be2ea90ecb144fc6f3b3c9dbf807e7fdde64d.exe
3028	injector.exe
3028	injector.exe
3028	injector.exe
3028	injector.exe
3028	injector.exe
3028	injector.exe
4532	csrss.exe
4532	csrss.exe
3028	injector.exe
3028	injector.exe
3028	injector.exe
3028	injector.exe
3028	injector.exe
3028	injector.exe
4532	csrss.exe
4532	csrss.exe
3028	injector.exe
3028	injector.exe
3028	injector.exe
3028	injector.exe
3028	injector.exe
3028	injector.exe
3028	injector.exe
3028	injector.exe
3028	injector.exe
3028	injector.exe
3028	injector.exe
3028	injector.exe
3028	injector.exe
3028	injector.exe
3028	injector.exe
3028	injector.exe
3028	injector.exe
3028	injector.exe
3028	injector.exe
3028	injector.exe
3028	injector.exe
3028	injector.exe
3028	injector.exe
3028	injector.exe
3028	injector.exe
3028	injector.exe
3028	injector.exe
3028	injector.exe
3028	injector.exe
3028	injector.exe
3028	injector.exe
3028	injector.exe
3028	injector.exe
3028	injector.exe
3028	injector.exe
3028	injector.exe

Suspicious use of AdjustPrivilegeToken 17 IoCs

Processes:

1a739183fa93a8728518c07da71be2ea90ecb144fc6f3b3c9dbf807e7fdde64d.exesvchost.execsrss.exe

description	pid	process
Token: SeDebugPrivilege	4728	1a739183fa93a8728518c07da71be2ea90ecb144fc6f3b3c9dbf807e7fdde64d.exe
Token: SeImpersonatePrivilege	4728	1a739183fa93a8728518c07da71be2ea90ecb144fc6f3b3c9dbf807e7fdde64d.exe
Token: SeTcbPrivilege	4964	svchost.exe
Token: SeTcbPrivilege	4964	svchost.exe
Token: SeBackupPrivilege	4964	svchost.exe
Token: SeRestorePrivilege	4964	svchost.exe
Token: SeBackupPrivilege	4964	svchost.exe
Token: SeRestorePrivilege	4964	svchost.exe
Token: SeBackupPrivilege	4964	svchost.exe
Token: SeRestorePrivilege	4964	svchost.exe
Token: SeBackupPrivilege	4964	svchost.exe
Token: SeRestorePrivilege	4964	svchost.exe
Token: SeSystemEnvironmentPrivilege	4532	csrss.exe
Token: SeBackupPrivilege	4964	svchost.exe
Token: SeRestorePrivilege	4964	svchost.exe
Token: SeBackupPrivilege	4964	svchost.exe
Token: SeRestorePrivilege	4964	svchost.exe

Suspicious use of WriteProcessMemory 18 IoCs

Processes:

svchost.exe1a739183fa93a8728518c07da71be2ea90ecb144fc6f3b3c9dbf807e7fdde64d.execmd.execsrss.exe

description	pid	process	target process
PID 4964 wrote to memory of 3680	4964	svchost.exe	1a739183fa93a8728518c07da71be2ea90ecb144fc6f3b3c9dbf807e7fdde64d.exe
PID 4964 wrote to memory of 3680	4964	svchost.exe	1a739183fa93a8728518c07da71be2ea90ecb144fc6f3b3c9dbf807e7fdde64d.exe
PID 4964 wrote to memory of 3680	4964	svchost.exe	1a739183fa93a8728518c07da71be2ea90ecb144fc6f3b3c9dbf807e7fdde64d.exe
PID 3680 wrote to memory of 764	3680	1a739183fa93a8728518c07da71be2ea90ecb144fc6f3b3c9dbf807e7fdde64d.exe	cmd.exe
PID 3680 wrote to memory of 764	3680	1a739183fa93a8728518c07da71be2ea90ecb144fc6f3b3c9dbf807e7fdde64d.exe	cmd.exe
PID 764 wrote to memory of 3592	764	cmd.exe	netsh.exe
PID 764 wrote to memory of 3592	764	cmd.exe	netsh.exe
PID 3680 wrote to memory of 4532	3680	1a739183fa93a8728518c07da71be2ea90ecb144fc6f3b3c9dbf807e7fdde64d.exe	csrss.exe
PID 3680 wrote to memory of 4532	3680	1a739183fa93a8728518c07da71be2ea90ecb144fc6f3b3c9dbf807e7fdde64d.exe	csrss.exe
PID 3680 wrote to memory of 4532	3680	1a739183fa93a8728518c07da71be2ea90ecb144fc6f3b3c9dbf807e7fdde64d.exe	csrss.exe
PID 4964 wrote to memory of 5080	4964	svchost.exe	schtasks.exe
PID 4964 wrote to memory of 5080	4964	svchost.exe	schtasks.exe
PID 4964 wrote to memory of 3228	4964	svchost.exe	schtasks.exe
PID 4964 wrote to memory of 3228	4964	svchost.exe	schtasks.exe
PID 4532 wrote to memory of 3028	4532	csrss.exe	injector.exe
PID 4532 wrote to memory of 3028	4532	csrss.exe	injector.exe
PID 4964 wrote to memory of 3392	4964	svchost.exe	schtasks.exe
PID 4964 wrote to memory of 3392	4964	svchost.exe	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\1a739183fa93a8728518c07da71be2ea90ecb144fc6f3b3c9dbf807e7fdde64d.exe
"C:\Users\Admin\AppData\Local\Temp\1a739183fa93a8728518c07da71be2ea90ecb144fc6f3b3c9dbf807e7fdde64d.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4728

C:\Users\Admin\AppData\Local\Temp\1a739183fa93a8728518c07da71be2ea90ecb144fc6f3b3c9dbf807e7fdde64d.exe
"C:\Users\Admin\AppData\Local\Temp\1a739183fa93a8728518c07da71be2ea90ecb144fc6f3b3c9dbf807e7fdde64d.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:3680

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:764

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:3592

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:4532

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:5080

C:\Windows\SYSTEM32\schtasks.exe
schtasks /delete /tn ScheduledUpdate /f
4⤵
PID:3228

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:3028

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:3392

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:4964

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\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
3a9f3a4624bc8ec1ff95ce9ba40ea96b

SHA1
1022b9ed9d70a6e4adf5888f0d6f58194c82c7e8

SHA256
1a739183fa93a8728518c07da71be2ea90ecb144fc6f3b3c9dbf807e7fdde64d

SHA512
61b1c3ac7ba34d1a26640212d40ad89871aab75b7c275ba42086efba627a5ee940ef5123a6d965b641372443e12164ee4561114c8e2326768ea2ec6d2349f345

Download Submit
C:\Windows\rss\csrss.exe
Filesize
4.2MB

MD5
3a9f3a4624bc8ec1ff95ce9ba40ea96b

SHA1
1022b9ed9d70a6e4adf5888f0d6f58194c82c7e8

SHA256
1a739183fa93a8728518c07da71be2ea90ecb144fc6f3b3c9dbf807e7fdde64d

SHA512
61b1c3ac7ba34d1a26640212d40ad89871aab75b7c275ba42086efba627a5ee940ef5123a6d965b641372443e12164ee4561114c8e2326768ea2ec6d2349f345

Download Submit
memory/764-137-0x0000000000000000-mapping.dmp

Download
memory/3028-149-0x0000000000000000-mapping.dmp

Download
memory/3228-146-0x0000000000000000-mapping.dmp

Download
memory/3392-152-0x0000000000000000-mapping.dmp

Download
memory/3592-138-0x0000000000000000-mapping.dmp

Download
memory/3680-140-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/3680-139-0x0000000002A41000-0x0000000002E2A000-memory.dmp

Filesize
3.9MB

Download
memory/3680-135-0x0000000000000000-mapping.dmp

Download
memory/3680-144-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/4532-141-0x0000000000000000-mapping.dmp

Download
memory/4532-147-0x0000000002E00000-0x00000000031E9000-memory.dmp

Filesize
3.9MB

Download
memory/4532-148-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/4532-153-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/4728-132-0x0000000002C4C000-0x0000000003035000-memory.dmp

Filesize
3.9MB

Download
memory/4728-136-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/4728-134-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/4728-133-0x0000000003040000-0x00000000038B7000-memory.dmp

Filesize
8.5MB

Download
memory/5080-145-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads