glupteba | 3dafbbc3ae120a443723eb65c878648830a3e60ab3aa8de7c4a6f3edf14e421a

General

Target

3dafbbc3ae120a443723eb65c878648830a3e60ab3aa8de7c4a6f3edf14e421a.exe
Size

4.1MB
MD5

a778f7836f33468337f140242c58f646
SHA1

d217a4913a71dc2f29bee6655b7da19a2cf080d5
SHA256

3dafbbc3ae120a443723eb65c878648830a3e60ab3aa8de7c4a6f3edf14e421a
SHA512

562d53064dfc6ea4f537c047e64b706fdb0689f5f5f4905e1ff1ff22ccb7ac5218af5dad3d9cbaee89692f6715c84698d1ca60011d9f7a2e8ebdf43ff1a01c2d
SSDEEP

98304:SOqXoLnq2a4kzk80+Jgz05f0n5vgckPLYUCi3dhMgyJVieN9MZIehaGh6EFur6XD:S5Xinq3JIYJ40y5vVkPLNoVieN9MZPI4

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 4160 created 2216	4160	svchost.exe	3dafbbc3ae120a443723eb65c878648830a3e60ab3aa8de7c4a6f3edf14e421a.exe
PID 4160 created 2400	4160	svchost.exe	csrss.exe
PID 4160 created 2400	4160	svchost.exe	csrss.exe
PID 4160 created 2400	4160	svchost.exe	csrss.exe

Executes dropped EXE 2 IoCs

Processes:

csrss.exeinjector.exe

pid process

2400 csrss.exe
3864 injector.exe
Modifies Windows Firewall 1 TTPs 1 IoCs
evasion

Modify Existing Service
T1031

Processes:

netsh.exe

pid process

2440 netsh.exe

pid	process
2400	csrss.exe
3864	injector.exe

pid	process
2440	netsh.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

3dafbbc3ae120a443723eb65c878648830a3e60ab3aa8de7c4a6f3edf14e421a.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\""	3dafbbc3ae120a443723eb65c878648830a3e60ab3aa8de7c4a6f3edf14e421a.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:

3dafbbc3ae120a443723eb65c878648830a3e60ab3aa8de7c4a6f3edf14e421a.exe

description	ioc	process
File opened for modification	C:\Windows\rss	3dafbbc3ae120a443723eb65c878648830a3e60ab3aa8de7c4a6f3edf14e421a.exe
File created	C:\Windows\rss\csrss.exe	3dafbbc3ae120a443723eb65c878648830a3e60ab3aa8de7c4a6f3edf14e421a.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

996 schtasks.exe
1356 schtasks.exe

pid	process
996	schtasks.exe
1356	schtasks.exe

Modifies data under HKEY_USERS 64 IoCs

Processes:

3dafbbc3ae120a443723eb65c878648830a3e60ab3aa8de7c4a6f3edf14e421a.execsrss.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1862 = "Russia TZ 6 Standard Time"	3dafbbc3ae120a443723eb65c878648830a3e60ab3aa8de7c4a6f3edf14e421a.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates	csrss.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,-448 = "Azerbaijan Daylight Time"	3dafbbc3ae120a443723eb65c878648830a3e60ab3aa8de7c4a6f3edf14e421a.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-682 = "E. Australia Standard Time"	3dafbbc3ae120a443723eb65c878648830a3e60ab3aa8de7c4a6f3edf14e421a.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-192 = "Mountain Standard Time"	3dafbbc3ae120a443723eb65c878648830a3e60ab3aa8de7c4a6f3edf14e421a.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1972 = "Belarus Standard Time"	3dafbbc3ae120a443723eb65c878648830a3e60ab3aa8de7c4a6f3edf14e421a.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-162 = "Central Standard Time"	3dafbbc3ae120a443723eb65c878648830a3e60ab3aa8de7c4a6f3edf14e421a.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-562 = "SE Asia Standard Time"	3dafbbc3ae120a443723eb65c878648830a3e60ab3aa8de7c4a6f3edf14e421a.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2512 = "Lord Howe Standard Time"	3dafbbc3ae120a443723eb65c878648830a3e60ab3aa8de7c4a6f3edf14e421a.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1041 = "Ulaanbaatar Daylight Time"	3dafbbc3ae120a443723eb65c878648830a3e60ab3aa8de7c4a6f3edf14e421a.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-131 = "US Eastern Daylight Time"	3dafbbc3ae120a443723eb65c878648830a3e60ab3aa8de7c4a6f3edf14e421a.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2181 = "Astrakhan Daylight Time"	3dafbbc3ae120a443723eb65c878648830a3e60ab3aa8de7c4a6f3edf14e421a.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2532 = "Chatham Islands Standard Time"	3dafbbc3ae120a443723eb65c878648830a3e60ab3aa8de7c4a6f3edf14e421a.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs	csrss.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,-461 = "Afghanistan Daylight Time"	3dafbbc3ae120a443723eb65c878648830a3e60ab3aa8de7c4a6f3edf14e421a.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-681 = "E. Australia Daylight Time"	3dafbbc3ae120a443723eb65c878648830a3e60ab3aa8de7c4a6f3edf14e421a.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2942 = "Sao Tome Standard Time"	3dafbbc3ae120a443723eb65c878648830a3e60ab3aa8de7c4a6f3edf14e421a.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-91 = "Pacific SA Daylight Time"	3dafbbc3ae120a443723eb65c878648830a3e60ab3aa8de7c4a6f3edf14e421a.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1042 = "Ulaanbaatar Standard Time"	3dafbbc3ae120a443723eb65c878648830a3e60ab3aa8de7c4a6f3edf14e421a.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-104 = "Central Brazilian Daylight Time"	3dafbbc3ae120a443723eb65c878648830a3e60ab3aa8de7c4a6f3edf14e421a.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2042 = "Eastern Standard Time (Mexico)"	3dafbbc3ae120a443723eb65c878648830a3e60ab3aa8de7c4a6f3edf14e421a.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-191 = "Mountain Daylight Time"	3dafbbc3ae120a443723eb65c878648830a3e60ab3aa8de7c4a6f3edf14e421a.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"	3dafbbc3ae120a443723eb65c878648830a3e60ab3aa8de7c4a6f3edf14e421a.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-342 = "Egypt Standard Time"	3dafbbc3ae120a443723eb65c878648830a3e60ab3aa8de7c4a6f3edf14e421a.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-382 = "South Africa Standard Time"	3dafbbc3ae120a443723eb65c878648830a3e60ab3aa8de7c4a6f3edf14e421a.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,-462 = "Afghanistan Standard Time"	3dafbbc3ae120a443723eb65c878648830a3e60ab3aa8de7c4a6f3edf14e421a.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-222 = "Alaskan Standard Time"	3dafbbc3ae120a443723eb65c878648830a3e60ab3aa8de7c4a6f3edf14e421a.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,-391 = "Arab Daylight Time"	3dafbbc3ae120a443723eb65c878648830a3e60ab3aa8de7c4a6f3edf14e421a.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-751 = "Tonga Daylight Time"	3dafbbc3ae120a443723eb65c878648830a3e60ab3aa8de7c4a6f3edf14e421a.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-532 = "Sri Lanka Standard Time"	3dafbbc3ae120a443723eb65c878648830a3e60ab3aa8de7c4a6f3edf14e421a.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2001 = "Cabo Verde Daylight Time"	3dafbbc3ae120a443723eb65c878648830a3e60ab3aa8de7c4a6f3edf14e421a.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-722 = "Central Pacific Standard Time"	3dafbbc3ae120a443723eb65c878648830a3e60ab3aa8de7c4a6f3edf14e421a.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-384 = "Namibia Daylight Time"	3dafbbc3ae120a443723eb65c878648830a3e60ab3aa8de7c4a6f3edf14e421a.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-112 = "Eastern Standard Time"	3dafbbc3ae120a443723eb65c878648830a3e60ab3aa8de7c4a6f3edf14e421a.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"	3dafbbc3ae120a443723eb65c878648830a3e60ab3aa8de7c4a6f3edf14e421a.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,-372 = "Jerusalem Standard Time"	3dafbbc3ae120a443723eb65c878648830a3e60ab3aa8de7c4a6f3edf14e421a.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-912 = "Mauritius Standard Time"	3dafbbc3ae120a443723eb65c878648830a3e60ab3aa8de7c4a6f3edf14e421a.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,-141 = "Canada Central Daylight Time"	3dafbbc3ae120a443723eb65c878648830a3e60ab3aa8de7c4a6f3edf14e421a.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2431 = "Cuba Daylight Time"	3dafbbc3ae120a443723eb65c878648830a3e60ab3aa8de7c4a6f3edf14e421a.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-331 = "E. Europe Daylight Time"	3dafbbc3ae120a443723eb65c878648830a3e60ab3aa8de7c4a6f3edf14e421a.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2531 = "Chatham Islands Daylight Time"	3dafbbc3ae120a443723eb65c878648830a3e60ab3aa8de7c4a6f3edf14e421a.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1722 = "Libya Standard Time"	3dafbbc3ae120a443723eb65c878648830a3e60ab3aa8de7c4a6f3edf14e421a.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2632 = "Norfolk Standard Time"	3dafbbc3ae120a443723eb65c878648830a3e60ab3aa8de7c4a6f3edf14e421a.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-932 = "Coordinated Universal Time"	3dafbbc3ae120a443723eb65c878648830a3e60ab3aa8de7c4a6f3edf14e421a.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,-2612 = "Bougainville Standard Time"	3dafbbc3ae120a443723eb65c878648830a3e60ab3aa8de7c4a6f3edf14e421a.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-452 = "Caucasus Standard Time"	3dafbbc3ae120a443723eb65c878648830a3e60ab3aa8de7c4a6f3edf14e421a.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-105 = "Central Brazilian Standard Time"	3dafbbc3ae120a443723eb65c878648830a3e60ab3aa8de7c4a6f3edf14e421a.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-632 = "Tokyo Standard Time"	3dafbbc3ae120a443723eb65c878648830a3e60ab3aa8de7c4a6f3edf14e421a.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-111 = "Eastern Daylight Time"	3dafbbc3ae120a443723eb65c878648830a3e60ab3aa8de7c4a6f3edf14e421a.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-431 = "Iran Daylight Time"	3dafbbc3ae120a443723eb65c878648830a3e60ab3aa8de7c4a6f3edf14e421a.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-215 = "Pacific Standard Time (Mexico)"	3dafbbc3ae120a443723eb65c878648830a3e60ab3aa8de7c4a6f3edf14e421a.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

3dafbbc3ae120a443723eb65c878648830a3e60ab3aa8de7c4a6f3edf14e421a.exe3dafbbc3ae120a443723eb65c878648830a3e60ab3aa8de7c4a6f3edf14e421a.exeinjector.execsrss.exe

pid	process
2216	3dafbbc3ae120a443723eb65c878648830a3e60ab3aa8de7c4a6f3edf14e421a.exe
2216	3dafbbc3ae120a443723eb65c878648830a3e60ab3aa8de7c4a6f3edf14e421a.exe
2920	3dafbbc3ae120a443723eb65c878648830a3e60ab3aa8de7c4a6f3edf14e421a.exe
2920	3dafbbc3ae120a443723eb65c878648830a3e60ab3aa8de7c4a6f3edf14e421a.exe
2920	3dafbbc3ae120a443723eb65c878648830a3e60ab3aa8de7c4a6f3edf14e421a.exe
2920	3dafbbc3ae120a443723eb65c878648830a3e60ab3aa8de7c4a6f3edf14e421a.exe
2920	3dafbbc3ae120a443723eb65c878648830a3e60ab3aa8de7c4a6f3edf14e421a.exe
2920	3dafbbc3ae120a443723eb65c878648830a3e60ab3aa8de7c4a6f3edf14e421a.exe
2920	3dafbbc3ae120a443723eb65c878648830a3e60ab3aa8de7c4a6f3edf14e421a.exe
2920	3dafbbc3ae120a443723eb65c878648830a3e60ab3aa8de7c4a6f3edf14e421a.exe
2920	3dafbbc3ae120a443723eb65c878648830a3e60ab3aa8de7c4a6f3edf14e421a.exe
2920	3dafbbc3ae120a443723eb65c878648830a3e60ab3aa8de7c4a6f3edf14e421a.exe
3864	injector.exe
3864	injector.exe
3864	injector.exe
3864	injector.exe
3864	injector.exe
3864	injector.exe
2400	csrss.exe
2400	csrss.exe
3864	injector.exe
3864	injector.exe
3864	injector.exe
3864	injector.exe
3864	injector.exe
3864	injector.exe
2400	csrss.exe
2400	csrss.exe
3864	injector.exe
3864	injector.exe
3864	injector.exe
3864	injector.exe
3864	injector.exe
3864	injector.exe
3864	injector.exe
3864	injector.exe
3864	injector.exe
3864	injector.exe
3864	injector.exe
3864	injector.exe
3864	injector.exe
3864	injector.exe
3864	injector.exe
3864	injector.exe
3864	injector.exe
3864	injector.exe
3864	injector.exe
3864	injector.exe
3864	injector.exe
3864	injector.exe
3864	injector.exe
3864	injector.exe
3864	injector.exe
3864	injector.exe
3864	injector.exe
3864	injector.exe
3864	injector.exe
3864	injector.exe
3864	injector.exe
3864	injector.exe
3864	injector.exe
3864	injector.exe
3864	injector.exe
3864	injector.exe

Suspicious use of AdjustPrivilegeToken 17 IoCs

Processes:

3dafbbc3ae120a443723eb65c878648830a3e60ab3aa8de7c4a6f3edf14e421a.exesvchost.execsrss.exe

description	pid	process
Token: SeDebugPrivilege	2216	3dafbbc3ae120a443723eb65c878648830a3e60ab3aa8de7c4a6f3edf14e421a.exe
Token: SeImpersonatePrivilege	2216	3dafbbc3ae120a443723eb65c878648830a3e60ab3aa8de7c4a6f3edf14e421a.exe
Token: SeTcbPrivilege	4160	svchost.exe
Token: SeTcbPrivilege	4160	svchost.exe
Token: SeBackupPrivilege	4160	svchost.exe
Token: SeRestorePrivilege	4160	svchost.exe
Token: SeBackupPrivilege	4160	svchost.exe
Token: SeRestorePrivilege	4160	svchost.exe
Token: SeBackupPrivilege	4160	svchost.exe
Token: SeRestorePrivilege	4160	svchost.exe
Token: SeBackupPrivilege	4160	svchost.exe
Token: SeRestorePrivilege	4160	svchost.exe
Token: SeSystemEnvironmentPrivilege	2400	csrss.exe
Token: SeBackupPrivilege	4160	svchost.exe
Token: SeRestorePrivilege	4160	svchost.exe
Token: SeBackupPrivilege	4160	svchost.exe
Token: SeRestorePrivilege	4160	svchost.exe

Suspicious use of WriteProcessMemory 18 IoCs

Processes:

svchost.exe3dafbbc3ae120a443723eb65c878648830a3e60ab3aa8de7c4a6f3edf14e421a.execmd.execsrss.exe

description	pid	process	target process
PID 4160 wrote to memory of 2920	4160	svchost.exe	3dafbbc3ae120a443723eb65c878648830a3e60ab3aa8de7c4a6f3edf14e421a.exe
PID 4160 wrote to memory of 2920	4160	svchost.exe	3dafbbc3ae120a443723eb65c878648830a3e60ab3aa8de7c4a6f3edf14e421a.exe
PID 4160 wrote to memory of 2920	4160	svchost.exe	3dafbbc3ae120a443723eb65c878648830a3e60ab3aa8de7c4a6f3edf14e421a.exe
PID 2920 wrote to memory of 4152	2920	3dafbbc3ae120a443723eb65c878648830a3e60ab3aa8de7c4a6f3edf14e421a.exe	cmd.exe
PID 2920 wrote to memory of 4152	2920	3dafbbc3ae120a443723eb65c878648830a3e60ab3aa8de7c4a6f3edf14e421a.exe	cmd.exe
PID 4152 wrote to memory of 2440	4152	cmd.exe	netsh.exe
PID 4152 wrote to memory of 2440	4152	cmd.exe	netsh.exe
PID 2920 wrote to memory of 2400	2920	3dafbbc3ae120a443723eb65c878648830a3e60ab3aa8de7c4a6f3edf14e421a.exe	csrss.exe
PID 2920 wrote to memory of 2400	2920	3dafbbc3ae120a443723eb65c878648830a3e60ab3aa8de7c4a6f3edf14e421a.exe	csrss.exe
PID 2920 wrote to memory of 2400	2920	3dafbbc3ae120a443723eb65c878648830a3e60ab3aa8de7c4a6f3edf14e421a.exe	csrss.exe
PID 4160 wrote to memory of 996	4160	svchost.exe	schtasks.exe
PID 4160 wrote to memory of 996	4160	svchost.exe	schtasks.exe
PID 4160 wrote to memory of 3600	4160	svchost.exe	schtasks.exe
PID 4160 wrote to memory of 3600	4160	svchost.exe	schtasks.exe
PID 2400 wrote to memory of 3864	2400	csrss.exe	injector.exe
PID 2400 wrote to memory of 3864	2400	csrss.exe	injector.exe
PID 4160 wrote to memory of 1356	4160	svchost.exe	schtasks.exe
PID 4160 wrote to memory of 1356	4160	svchost.exe	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\3dafbbc3ae120a443723eb65c878648830a3e60ab3aa8de7c4a6f3edf14e421a.exe
"C:\Users\Admin\AppData\Local\Temp\3dafbbc3ae120a443723eb65c878648830a3e60ab3aa8de7c4a6f3edf14e421a.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2216

C:\Users\Admin\AppData\Local\Temp\3dafbbc3ae120a443723eb65c878648830a3e60ab3aa8de7c4a6f3edf14e421a.exe
"C:\Users\Admin\AppData\Local\Temp\3dafbbc3ae120a443723eb65c878648830a3e60ab3aa8de7c4a6f3edf14e421a.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:2920

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:4152

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:2440

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:2400

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:996

C:\Windows\SYSTEM32\schtasks.exe
schtasks /delete /tn ScheduledUpdate /f
4⤵
PID:3600

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:3864

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:1356

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:4160

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
4.1MB

MD5
a778f7836f33468337f140242c58f646

SHA1
d217a4913a71dc2f29bee6655b7da19a2cf080d5

SHA256
3dafbbc3ae120a443723eb65c878648830a3e60ab3aa8de7c4a6f3edf14e421a

SHA512
562d53064dfc6ea4f537c047e64b706fdb0689f5f5f4905e1ff1ff22ccb7ac5218af5dad3d9cbaee89692f6715c84698d1ca60011d9f7a2e8ebdf43ff1a01c2d

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

MD5
a778f7836f33468337f140242c58f646

SHA1
d217a4913a71dc2f29bee6655b7da19a2cf080d5

SHA256
3dafbbc3ae120a443723eb65c878648830a3e60ab3aa8de7c4a6f3edf14e421a

SHA512
562d53064dfc6ea4f537c047e64b706fdb0689f5f5f4905e1ff1ff22ccb7ac5218af5dad3d9cbaee89692f6715c84698d1ca60011d9f7a2e8ebdf43ff1a01c2d

Download Submit
memory/996-146-0x0000000000000000-mapping.dmp

Download
memory/1356-152-0x0000000000000000-mapping.dmp

Download
memory/2216-133-0x0000000002F00000-0x0000000003777000-memory.dmp

Filesize
8.5MB

Download
memory/2216-134-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/2216-136-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/2216-132-0x0000000002B0F000-0x0000000002EF8000-memory.dmp

Filesize
3.9MB

Download
memory/2400-153-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/2400-141-0x0000000000000000-mapping.dmp

Download
memory/2400-145-0x0000000002E00000-0x00000000031E9000-memory.dmp

Filesize
3.9MB

Download
memory/2400-148-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/2440-140-0x0000000000000000-mapping.dmp

Download
memory/2920-137-0x00000000028F9000-0x0000000002CE2000-memory.dmp

Filesize
3.9MB

Download
memory/2920-144-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/2920-139-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/2920-135-0x0000000000000000-mapping.dmp

Download
memory/3600-147-0x0000000000000000-mapping.dmp

Download
memory/3864-149-0x0000000000000000-mapping.dmp

Download
memory/4152-138-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

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Downloads