glupteba | b40fe94996a32105ddf5e244a8566e839d1cbfedaf00dc3642c3ce52a9344892

General

Target

b40fe94996a32105ddf5e244a8566e839d1cbfedaf00dc3642c3ce52a9344892.exe
Size

4.0MB
MD5

0a6e10b21a07372f0d21a7fa8b41b77c
SHA1

14ec6a54e370a718b753de66e3354971cc40dcb7
SHA256

b40fe94996a32105ddf5e244a8566e839d1cbfedaf00dc3642c3ce52a9344892
SHA512

89d06f549dbb92d81aed160ef0e8182a93743dc9a31bc5d00bb2c2f1f94b5a6b3fe805eaad83f24a00d9d97ce16b77baa1790e0056df9ef2869d12e28ad43c7f
SSDEEP

98304:vQXvsLQdrEr11pSS29TFx/J0UZyAop5aQ4OhgqH/743mB/Acl:vqrE3UHfx/aDAofaQT5j43mScl

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 3452 created 4160	3452	svchost.exe	b40fe94996a32105ddf5e244a8566e839d1cbfedaf00dc3642c3ce52a9344892.exe
PID 3452 created 4344	3452	svchost.exe	csrss.exe
PID 3452 created 4344	3452	svchost.exe	csrss.exe
PID 3452 created 4344	3452	svchost.exe	csrss.exe

Modifies Windows Firewall 1 TTPs 1 IoCs
evasion

Modify Existing Service
T1031

Processes:

netsh.exe

pid process

376 netsh.exe
Executes dropped EXE 2 IoCs

Processes:

csrss.exeinjector.exe

pid process

4344 csrss.exe
3628 injector.exe

pid	process
376	netsh.exe

pid	process
4344	csrss.exe
3628	injector.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

b40fe94996a32105ddf5e244a8566e839d1cbfedaf00dc3642c3ce52a9344892.execsrss.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\""	b40fe94996a32105ddf5e244a8566e839d1cbfedaf00dc3642c3ce52a9344892.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\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:

b40fe94996a32105ddf5e244a8566e839d1cbfedaf00dc3642c3ce52a9344892.exe

description	ioc	process
File opened for modification	C:\Windows\rss	b40fe94996a32105ddf5e244a8566e839d1cbfedaf00dc3642c3ce52a9344892.exe
File created	C:\Windows\rss\csrss.exe	b40fe94996a32105ddf5e244a8566e839d1cbfedaf00dc3642c3ce52a9344892.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

4664 schtasks.exe
3812 schtasks.exe

pid	process
4664	schtasks.exe
3812	schtasks.exe

Modifies data under HKEY_USERS 64 IoCs

Processes:

b40fe94996a32105ddf5e244a8566e839d1cbfedaf00dc3642c3ce52a9344892.execsrss.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-435 = "Georgian Standard Time"	b40fe94996a32105ddf5e244a8566e839d1cbfedaf00dc3642c3ce52a9344892.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-162 = "Central Standard Time"	b40fe94996a32105ddf5e244a8566e839d1cbfedaf00dc3642c3ce52a9344892.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2042 = "Eastern Standard Time (Mexico)"	b40fe94996a32105ddf5e244a8566e839d1cbfedaf00dc3642c3ce52a9344892.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2512 = "Lord Howe Standard Time"	b40fe94996a32105ddf5e244a8566e839d1cbfedaf00dc3642c3ce52a9344892.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1911 = "Russia TZ 10 Daylight Time"	b40fe94996a32105ddf5e244a8566e839d1cbfedaf00dc3642c3ce52a9344892.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,-81 = "Atlantic Daylight Time"	b40fe94996a32105ddf5e244a8566e839d1cbfedaf00dc3642c3ce52a9344892.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-512 = "Central Asia Standard Time"	b40fe94996a32105ddf5e244a8566e839d1cbfedaf00dc3642c3ce52a9344892.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-211 = "Pacific Daylight Time"	b40fe94996a32105ddf5e244a8566e839d1cbfedaf00dc3642c3ce52a9344892.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2591 = "Tocantins Daylight Time"	b40fe94996a32105ddf5e244a8566e839d1cbfedaf00dc3642c3ce52a9344892.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"	b40fe94996a32105ddf5e244a8566e839d1cbfedaf00dc3642c3ce52a9344892.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-334 = "Jordan Daylight Time"	b40fe94996a32105ddf5e244a8566e839d1cbfedaf00dc3642c3ce52a9344892.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-932 = "Coordinated Universal Time"	b40fe94996a32105ddf5e244a8566e839d1cbfedaf00dc3642c3ce52a9344892.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2532 = "Chatham Islands Standard Time"	b40fe94996a32105ddf5e244a8566e839d1cbfedaf00dc3642c3ce52a9344892.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-241 = "Samoa Daylight Time"	b40fe94996a32105ddf5e244a8566e839d1cbfedaf00dc3642c3ce52a9344892.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-872 = "Pakistan Standard Time"	b40fe94996a32105ddf5e244a8566e839d1cbfedaf00dc3642c3ce52a9344892.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-12 = "Azores Standard Time"	b40fe94996a32105ddf5e244a8566e839d1cbfedaf00dc3642c3ce52a9344892.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-361 = "GTB Daylight Time"	b40fe94996a32105ddf5e244a8566e839d1cbfedaf00dc3642c3ce52a9344892.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-302 = "Romance Standard Time"	b40fe94996a32105ddf5e244a8566e839d1cbfedaf00dc3642c3ce52a9344892.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2841 = "Saratov Daylight Time"	b40fe94996a32105ddf5e244a8566e839d1cbfedaf00dc3642c3ce52a9344892.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-751 = "Tonga Daylight Time"	b40fe94996a32105ddf5e244a8566e839d1cbfedaf00dc3642c3ce52a9344892.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2371 = "Easter Island Daylight Time"	b40fe94996a32105ddf5e244a8566e839d1cbfedaf00dc3642c3ce52a9344892.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-92 = "Pacific SA Standard Time"	b40fe94996a32105ddf5e244a8566e839d1cbfedaf00dc3642c3ce52a9344892.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1662 = "Bahia Standard Time"	b40fe94996a32105ddf5e244a8566e839d1cbfedaf00dc3642c3ce52a9344892.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-461 = "Afghanistan Daylight Time"	b40fe94996a32105ddf5e244a8566e839d1cbfedaf00dc3642c3ce52a9344892.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-392 = "Arab Standard Time"	b40fe94996a32105ddf5e244a8566e839d1cbfedaf00dc3642c3ce52a9344892.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2431 = "Cuba Daylight Time"	b40fe94996a32105ddf5e244a8566e839d1cbfedaf00dc3642c3ce52a9344892.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2341 = "Haiti Daylight Time"	b40fe94996a32105ddf5e244a8566e839d1cbfedaf00dc3642c3ce52a9344892.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-214 = "Pacific Daylight Time (Mexico)"	b40fe94996a32105ddf5e244a8566e839d1cbfedaf00dc3642c3ce52a9344892.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"	b40fe94996a32105ddf5e244a8566e839d1cbfedaf00dc3642c3ce52a9344892.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-112 = "Eastern Standard Time"	b40fe94996a32105ddf5e244a8566e839d1cbfedaf00dc3642c3ce52a9344892.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-212 = "Pacific Standard Time"	b40fe94996a32105ddf5e244a8566e839d1cbfedaf00dc3642c3ce52a9344892.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-912 = "Mauritius Standard Time"	b40fe94996a32105ddf5e244a8566e839d1cbfedaf00dc3642c3ce52a9344892.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-742 = "New Zealand Standard Time"	b40fe94996a32105ddf5e244a8566e839d1cbfedaf00dc3642c3ce52a9344892.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-251 = "Dateline Daylight Time"	b40fe94996a32105ddf5e244a8566e839d1cbfedaf00dc3642c3ce52a9344892.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1721 = "Libya Daylight Time"	b40fe94996a32105ddf5e244a8566e839d1cbfedaf00dc3642c3ce52a9344892.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2492 = "Aus Central W. Standard Time"	b40fe94996a32105ddf5e244a8566e839d1cbfedaf00dc3642c3ce52a9344892.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-722 = "Central Pacific Standard Time"	b40fe94996a32105ddf5e244a8566e839d1cbfedaf00dc3642c3ce52a9344892.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2751 = "Tomsk Daylight Time"	b40fe94996a32105ddf5e244a8566e839d1cbfedaf00dc3642c3ce52a9344892.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-142 = "Canada Central Standard Time"	b40fe94996a32105ddf5e244a8566e839d1cbfedaf00dc3642c3ce52a9344892.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1801 = "Line Islands Daylight Time"	b40fe94996a32105ddf5e244a8566e839d1cbfedaf00dc3642c3ce52a9344892.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-681 = "E. Australia Daylight Time"	b40fe94996a32105ddf5e244a8566e839d1cbfedaf00dc3642c3ce52a9344892.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-181 = "Mountain Daylight Time (Mexico)"	b40fe94996a32105ddf5e244a8566e839d1cbfedaf00dc3642c3ce52a9344892.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-401 = "Arabic Daylight Time"	b40fe94996a32105ddf5e244a8566e839d1cbfedaf00dc3642c3ce52a9344892.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1972 = "Belarus Standard Time"	b40fe94996a32105ddf5e244a8566e839d1cbfedaf00dc3642c3ce52a9344892.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-691 = "Tasmania Daylight Time"	b40fe94996a32105ddf5e244a8566e839d1cbfedaf00dc3642c3ce52a9344892.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-652 = "AUS Central Standard Time"	b40fe94996a32105ddf5e244a8566e839d1cbfedaf00dc3642c3ce52a9344892.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-104 = "Central Brazilian Daylight Time"	b40fe94996a32105ddf5e244a8566e839d1cbfedaf00dc3642c3ce52a9344892.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2891 = "Sudan Daylight Time"	b40fe94996a32105ddf5e244a8566e839d1cbfedaf00dc3642c3ce52a9344892.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-342 = "Egypt Standard Time"	b40fe94996a32105ddf5e244a8566e839d1cbfedaf00dc3642c3ce52a9344892.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1472 = "Magadan Standard Time"	b40fe94996a32105ddf5e244a8566e839d1cbfedaf00dc3642c3ce52a9344892.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-222 = "Alaskan Standard Time"	b40fe94996a32105ddf5e244a8566e839d1cbfedaf00dc3642c3ce52a9344892.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-448 = "Azerbaijan Daylight Time"	b40fe94996a32105ddf5e244a8566e839d1cbfedaf00dc3642c3ce52a9344892.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1411 = "Syria Daylight Time"	b40fe94996a32105ddf5e244a8566e839d1cbfedaf00dc3642c3ce52a9344892.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-601 = "Taipei Daylight Time"	b40fe94996a32105ddf5e244a8566e839d1cbfedaf00dc3642c3ce52a9344892.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-131 = "US Eastern Daylight Time"	b40fe94996a32105ddf5e244a8566e839d1cbfedaf00dc3642c3ce52a9344892.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs	csrss.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

b40fe94996a32105ddf5e244a8566e839d1cbfedaf00dc3642c3ce52a9344892.exeb40fe94996a32105ddf5e244a8566e839d1cbfedaf00dc3642c3ce52a9344892.exeinjector.execsrss.exe

pid	process
4160	b40fe94996a32105ddf5e244a8566e839d1cbfedaf00dc3642c3ce52a9344892.exe
4160	b40fe94996a32105ddf5e244a8566e839d1cbfedaf00dc3642c3ce52a9344892.exe
1840	b40fe94996a32105ddf5e244a8566e839d1cbfedaf00dc3642c3ce52a9344892.exe
1840	b40fe94996a32105ddf5e244a8566e839d1cbfedaf00dc3642c3ce52a9344892.exe
1840	b40fe94996a32105ddf5e244a8566e839d1cbfedaf00dc3642c3ce52a9344892.exe
1840	b40fe94996a32105ddf5e244a8566e839d1cbfedaf00dc3642c3ce52a9344892.exe
1840	b40fe94996a32105ddf5e244a8566e839d1cbfedaf00dc3642c3ce52a9344892.exe
1840	b40fe94996a32105ddf5e244a8566e839d1cbfedaf00dc3642c3ce52a9344892.exe
1840	b40fe94996a32105ddf5e244a8566e839d1cbfedaf00dc3642c3ce52a9344892.exe
1840	b40fe94996a32105ddf5e244a8566e839d1cbfedaf00dc3642c3ce52a9344892.exe
1840	b40fe94996a32105ddf5e244a8566e839d1cbfedaf00dc3642c3ce52a9344892.exe
1840	b40fe94996a32105ddf5e244a8566e839d1cbfedaf00dc3642c3ce52a9344892.exe
3628	injector.exe
3628	injector.exe
3628	injector.exe
3628	injector.exe
3628	injector.exe
3628	injector.exe
4344	csrss.exe
4344	csrss.exe
3628	injector.exe
3628	injector.exe
3628	injector.exe
3628	injector.exe
3628	injector.exe
3628	injector.exe
4344	csrss.exe
4344	csrss.exe
3628	injector.exe
3628	injector.exe
3628	injector.exe
3628	injector.exe
3628	injector.exe
3628	injector.exe
3628	injector.exe
3628	injector.exe
3628	injector.exe
3628	injector.exe
3628	injector.exe
3628	injector.exe
3628	injector.exe
3628	injector.exe
3628	injector.exe
3628	injector.exe
3628	injector.exe
3628	injector.exe
3628	injector.exe
3628	injector.exe
3628	injector.exe
3628	injector.exe
3628	injector.exe
3628	injector.exe
3628	injector.exe
3628	injector.exe
3628	injector.exe
3628	injector.exe
3628	injector.exe
3628	injector.exe
3628	injector.exe
3628	injector.exe
3628	injector.exe
3628	injector.exe
3628	injector.exe
3628	injector.exe

Suspicious use of AdjustPrivilegeToken 17 IoCs

Processes:

b40fe94996a32105ddf5e244a8566e839d1cbfedaf00dc3642c3ce52a9344892.exesvchost.execsrss.exe

description	pid	process
Token: SeDebugPrivilege	4160	b40fe94996a32105ddf5e244a8566e839d1cbfedaf00dc3642c3ce52a9344892.exe
Token: SeImpersonatePrivilege	4160	b40fe94996a32105ddf5e244a8566e839d1cbfedaf00dc3642c3ce52a9344892.exe
Token: SeTcbPrivilege	3452	svchost.exe
Token: SeTcbPrivilege	3452	svchost.exe
Token: SeBackupPrivilege	3452	svchost.exe
Token: SeRestorePrivilege	3452	svchost.exe
Token: SeBackupPrivilege	3452	svchost.exe
Token: SeRestorePrivilege	3452	svchost.exe
Token: SeBackupPrivilege	3452	svchost.exe
Token: SeRestorePrivilege	3452	svchost.exe
Token: SeBackupPrivilege	3452	svchost.exe
Token: SeRestorePrivilege	3452	svchost.exe
Token: SeSystemEnvironmentPrivilege	4344	csrss.exe
Token: SeBackupPrivilege	3452	svchost.exe
Token: SeRestorePrivilege	3452	svchost.exe
Token: SeBackupPrivilege	3452	svchost.exe
Token: SeRestorePrivilege	3452	svchost.exe

Suspicious use of WriteProcessMemory 18 IoCs

Processes:

svchost.exeb40fe94996a32105ddf5e244a8566e839d1cbfedaf00dc3642c3ce52a9344892.execmd.execsrss.exe

description	pid	process	target process
PID 3452 wrote to memory of 1840	3452	svchost.exe	b40fe94996a32105ddf5e244a8566e839d1cbfedaf00dc3642c3ce52a9344892.exe
PID 3452 wrote to memory of 1840	3452	svchost.exe	b40fe94996a32105ddf5e244a8566e839d1cbfedaf00dc3642c3ce52a9344892.exe
PID 3452 wrote to memory of 1840	3452	svchost.exe	b40fe94996a32105ddf5e244a8566e839d1cbfedaf00dc3642c3ce52a9344892.exe
PID 1840 wrote to memory of 4872	1840	b40fe94996a32105ddf5e244a8566e839d1cbfedaf00dc3642c3ce52a9344892.exe	cmd.exe
PID 1840 wrote to memory of 4872	1840	b40fe94996a32105ddf5e244a8566e839d1cbfedaf00dc3642c3ce52a9344892.exe	cmd.exe
PID 4872 wrote to memory of 376	4872	cmd.exe	netsh.exe
PID 4872 wrote to memory of 376	4872	cmd.exe	netsh.exe
PID 1840 wrote to memory of 4344	1840	b40fe94996a32105ddf5e244a8566e839d1cbfedaf00dc3642c3ce52a9344892.exe	csrss.exe
PID 1840 wrote to memory of 4344	1840	b40fe94996a32105ddf5e244a8566e839d1cbfedaf00dc3642c3ce52a9344892.exe	csrss.exe
PID 1840 wrote to memory of 4344	1840	b40fe94996a32105ddf5e244a8566e839d1cbfedaf00dc3642c3ce52a9344892.exe	csrss.exe
PID 3452 wrote to memory of 4664	3452	svchost.exe	schtasks.exe
PID 3452 wrote to memory of 4664	3452	svchost.exe	schtasks.exe
PID 3452 wrote to memory of 216	3452	svchost.exe	schtasks.exe
PID 3452 wrote to memory of 216	3452	svchost.exe	schtasks.exe
PID 4344 wrote to memory of 3628	4344	csrss.exe	injector.exe
PID 4344 wrote to memory of 3628	4344	csrss.exe	injector.exe
PID 3452 wrote to memory of 3812	3452	svchost.exe	schtasks.exe
PID 3452 wrote to memory of 3812	3452	svchost.exe	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\b40fe94996a32105ddf5e244a8566e839d1cbfedaf00dc3642c3ce52a9344892.exe
"C:\Users\Admin\AppData\Local\Temp\b40fe94996a32105ddf5e244a8566e839d1cbfedaf00dc3642c3ce52a9344892.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4160

C:\Users\Admin\AppData\Local\Temp\b40fe94996a32105ddf5e244a8566e839d1cbfedaf00dc3642c3ce52a9344892.exe
"C:\Users\Admin\AppData\Local\Temp\b40fe94996a32105ddf5e244a8566e839d1cbfedaf00dc3642c3ce52a9344892.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:1840

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:4872

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:376

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:4344

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:4664

C:\Windows\SYSTEM32\schtasks.exe
schtasks /delete /tn ScheduledUpdate /f
4⤵
PID:216

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:3628

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:3812

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:3452

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

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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
0a6e10b21a07372f0d21a7fa8b41b77c

SHA1
14ec6a54e370a718b753de66e3354971cc40dcb7

SHA256
b40fe94996a32105ddf5e244a8566e839d1cbfedaf00dc3642c3ce52a9344892

SHA512
89d06f549dbb92d81aed160ef0e8182a93743dc9a31bc5d00bb2c2f1f94b5a6b3fe805eaad83f24a00d9d97ce16b77baa1790e0056df9ef2869d12e28ad43c7f

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

MD5
0a6e10b21a07372f0d21a7fa8b41b77c

SHA1
14ec6a54e370a718b753de66e3354971cc40dcb7

SHA256
b40fe94996a32105ddf5e244a8566e839d1cbfedaf00dc3642c3ce52a9344892

SHA512
89d06f549dbb92d81aed160ef0e8182a93743dc9a31bc5d00bb2c2f1f94b5a6b3fe805eaad83f24a00d9d97ce16b77baa1790e0056df9ef2869d12e28ad43c7f

Download Submit
memory/216-148-0x0000000000000000-mapping.dmp

Download
memory/376-138-0x0000000000000000-mapping.dmp

Download
memory/1840-144-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/1840-135-0x0000000000000000-mapping.dmp

Download
memory/1840-139-0x0000000002910000-0x0000000002CF9000-memory.dmp

Filesize
3.9MB

Download
memory/1840-140-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/3628-149-0x0000000000000000-mapping.dmp

Download
memory/3812-152-0x0000000000000000-mapping.dmp

Download
memory/4160-132-0x00000000029F6000-0x0000000002DDF000-memory.dmp

Filesize
3.9MB

Download
memory/4160-136-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/4160-134-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/4160-133-0x0000000002DE0000-0x0000000003657000-memory.dmp

Filesize
8.5MB

Download
memory/4344-145-0x0000000002E00000-0x00000000031E9000-memory.dmp

Filesize
3.9MB

Download
memory/4344-146-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/4344-141-0x0000000000000000-mapping.dmp

Download
memory/4344-153-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/4664-147-0x0000000000000000-mapping.dmp

Download
memory/4872-137-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads