glupteba | 2b4ff703ca07ef3ff07ccd758fa30dbe65c9d964474579bcc972bfe4a4e64dd1

General

Target

2b4ff703ca07ef3ff07ccd758fa30dbe65c9d964474579bcc972bfe4a4e64dd1.exe
Size

4.1MB
MD5

024be0e57b518bc03857002830994ff2
SHA1

bcfbb4b0114771cf757e9506f23489fe7ab24864
SHA256

2b4ff703ca07ef3ff07ccd758fa30dbe65c9d964474579bcc972bfe4a4e64dd1
SHA512

4146f72ff1e1f8f4a981468d1c3a7dfe30135870d751f8ea062110c0258eaab1d51b32a845c98020a212006695f46dada836313bc57ea2eacf314881dd750088
SSDEEP

98304:rvqB+6jdfdhFMmq0uT7/qws8A+llDgKWz/4694Cmv:rvOLsm8Gws0lDNwX94CM

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 1244 created 2500	1244	svchost.exe	2b4ff703ca07ef3ff07ccd758fa30dbe65c9d964474579bcc972bfe4a4e64dd1.exe
PID 1244 created 3004	1244	svchost.exe	csrss.exe
PID 1244 created 3004	1244	svchost.exe	csrss.exe
PID 1244 created 3004	1244	svchost.exe	csrss.exe

Executes dropped EXE 2 IoCs

Processes:

csrss.exeinjector.exe

pid process

3004 csrss.exe
3828 injector.exe
Modifies Windows Firewall 1 TTPs 1 IoCs
evasion

Modify Existing Service
T1031

Processes:

netsh.exe

pid process

2088 netsh.exe

pid	process
3004	csrss.exe
3828	injector.exe

pid	process
2088	netsh.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

2b4ff703ca07ef3ff07ccd758fa30dbe65c9d964474579bcc972bfe4a4e64dd1.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\""	2b4ff703ca07ef3ff07ccd758fa30dbe65c9d964474579bcc972bfe4a4e64dd1.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:

2b4ff703ca07ef3ff07ccd758fa30dbe65c9d964474579bcc972bfe4a4e64dd1.exe

description	ioc	process
File opened for modification	C:\Windows\rss	2b4ff703ca07ef3ff07ccd758fa30dbe65c9d964474579bcc972bfe4a4e64dd1.exe
File created	C:\Windows\rss\csrss.exe	2b4ff703ca07ef3ff07ccd758fa30dbe65c9d964474579bcc972bfe4a4e64dd1.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

1400 schtasks.exe
4656 schtasks.exe

pid	process
1400	schtasks.exe
4656	schtasks.exe

Modifies data under HKEY_USERS 64 IoCs

Processes:

2b4ff703ca07ef3ff07ccd758fa30dbe65c9d964474579bcc972bfe4a4e64dd1.execsrss.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-214 = "Pacific Daylight Time (Mexico)"	2b4ff703ca07ef3ff07ccd758fa30dbe65c9d964474579bcc972bfe4a4e64dd1.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,-11 = "Azores Daylight Time"	2b4ff703ca07ef3ff07ccd758fa30dbe65c9d964474579bcc972bfe4a4e64dd1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2001 = "Cabo Verde Daylight Time"	2b4ff703ca07ef3ff07ccd758fa30dbe65c9d964474579bcc972bfe4a4e64dd1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-272 = "Greenwich Standard Time"	2b4ff703ca07ef3ff07ccd758fa30dbe65c9d964474579bcc972bfe4a4e64dd1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-911 = "Mauritius Daylight Time"	2b4ff703ca07ef3ff07ccd758fa30dbe65c9d964474579bcc972bfe4a4e64dd1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-301 = "Romance Daylight Time"	2b4ff703ca07ef3ff07ccd758fa30dbe65c9d964474579bcc972bfe4a4e64dd1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-462 = "Afghanistan Standard Time"	2b4ff703ca07ef3ff07ccd758fa30dbe65c9d964474579bcc972bfe4a4e64dd1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-442 = "Arabian Standard Time"	2b4ff703ca07ef3ff07ccd758fa30dbe65c9d964474579bcc972bfe4a4e64dd1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1021 = "Bangladesh Daylight Time"	2b4ff703ca07ef3ff07ccd758fa30dbe65c9d964474579bcc972bfe4a4e64dd1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2432 = "Cuba Standard Time"	2b4ff703ca07ef3ff07ccd758fa30dbe65c9d964474579bcc972bfe4a4e64dd1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-281 = "Central Europe Daylight Time"	2b4ff703ca07ef3ff07ccd758fa30dbe65c9d964474579bcc972bfe4a4e64dd1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-351 = "FLE Daylight Time"	2b4ff703ca07ef3ff07ccd758fa30dbe65c9d964474579bcc972bfe4a4e64dd1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2062 = "North Korea Standard Time"	2b4ff703ca07ef3ff07ccd758fa30dbe65c9d964474579bcc972bfe4a4e64dd1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-872 = "Pakistan Standard Time"	2b4ff703ca07ef3ff07ccd758fa30dbe65c9d964474579bcc972bfe4a4e64dd1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-452 = "Caucasus Standard Time"	2b4ff703ca07ef3ff07ccd758fa30dbe65c9d964474579bcc972bfe4a4e64dd1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-451 = "Caucasus Daylight Time"	2b4ff703ca07ef3ff07ccd758fa30dbe65c9d964474579bcc972bfe4a4e64dd1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-772 = "Montevideo Standard Time"	2b4ff703ca07ef3ff07ccd758fa30dbe65c9d964474579bcc972bfe4a4e64dd1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-831 = "SA Eastern Daylight Time"	2b4ff703ca07ef3ff07ccd758fa30dbe65c9d964474579bcc972bfe4a4e64dd1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-221 = "Alaskan Daylight Time"	2b4ff703ca07ef3ff07ccd758fa30dbe65c9d964474579bcc972bfe4a4e64dd1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2182 = "Astrakhan Standard Time"	2b4ff703ca07ef3ff07ccd758fa30dbe65c9d964474579bcc972bfe4a4e64dd1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2612 = "Bougainville Standard Time"	2b4ff703ca07ef3ff07ccd758fa30dbe65c9d964474579bcc972bfe4a4e64dd1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-142 = "Canada Central Standard Time"	2b4ff703ca07ef3ff07ccd758fa30dbe65c9d964474579bcc972bfe4a4e64dd1.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,-2431 = "Cuba Daylight Time"	2b4ff703ca07ef3ff07ccd758fa30dbe65c9d964474579bcc972bfe4a4e64dd1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-431 = "Iran Daylight Time"	2b4ff703ca07ef3ff07ccd758fa30dbe65c9d964474579bcc972bfe4a4e64dd1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-334 = "Jordan Daylight Time"	2b4ff703ca07ef3ff07ccd758fa30dbe65c9d964474579bcc972bfe4a4e64dd1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-32 = "Mid-Atlantic Standard Time"	2b4ff703ca07ef3ff07ccd758fa30dbe65c9d964474579bcc972bfe4a4e64dd1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1022 = "Bangladesh Standard Time"	2b4ff703ca07ef3ff07ccd758fa30dbe65c9d964474579bcc972bfe4a4e64dd1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-292 = "Central European Standard Time"	2b4ff703ca07ef3ff07ccd758fa30dbe65c9d964474579bcc972bfe4a4e64dd1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-435 = "Georgian Standard Time"	2b4ff703ca07ef3ff07ccd758fa30dbe65c9d964474579bcc972bfe4a4e64dd1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-361 = "GTB Daylight Time"	2b4ff703ca07ef3ff07ccd758fa30dbe65c9d964474579bcc972bfe4a4e64dd1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-662 = "Cen. Australia Standard Time"	2b4ff703ca07ef3ff07ccd758fa30dbe65c9d964474579bcc972bfe4a4e64dd1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-211 = "Pacific Daylight Time"	2b4ff703ca07ef3ff07ccd758fa30dbe65c9d964474579bcc972bfe4a4e64dd1.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2611 = "Bougainville Daylight Time"	2b4ff703ca07ef3ff07ccd758fa30dbe65c9d964474579bcc972bfe4a4e64dd1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-231 = "Hawaiian Daylight Time"	2b4ff703ca07ef3ff07ccd758fa30dbe65c9d964474579bcc972bfe4a4e64dd1.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs	csrss.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,-671 = "AUS Eastern Daylight Time"	2b4ff703ca07ef3ff07ccd758fa30dbe65c9d964474579bcc972bfe4a4e64dd1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2531 = "Chatham Islands Daylight Time"	2b4ff703ca07ef3ff07ccd758fa30dbe65c9d964474579bcc972bfe4a4e64dd1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-341 = "Egypt Daylight Time"	2b4ff703ca07ef3ff07ccd758fa30dbe65c9d964474579bcc972bfe4a4e64dd1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2341 = "Haiti Daylight Time"	2b4ff703ca07ef3ff07ccd758fa30dbe65c9d964474579bcc972bfe4a4e64dd1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2571 = "Turks and Caicos Daylight Time"	2b4ff703ca07ef3ff07ccd758fa30dbe65c9d964474579bcc972bfe4a4e64dd1.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2491 = "Aus Central W. Daylight Time"	2b4ff703ca07ef3ff07ccd758fa30dbe65c9d964474579bcc972bfe4a4e64dd1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-331 = "E. Europe Daylight Time"	2b4ff703ca07ef3ff07ccd758fa30dbe65c9d964474579bcc972bfe4a4e64dd1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-364 = "Middle East Daylight Time"	2b4ff703ca07ef3ff07ccd758fa30dbe65c9d964474579bcc972bfe4a4e64dd1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1832 = "Russia TZ 2 Standard Time"	2b4ff703ca07ef3ff07ccd758fa30dbe65c9d964474579bcc972bfe4a4e64dd1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-251 = "Dateline Daylight Time"	2b4ff703ca07ef3ff07ccd758fa30dbe65c9d964474579bcc972bfe4a4e64dd1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-412 = "E. Africa Standard Time"	2b4ff703ca07ef3ff07ccd758fa30dbe65c9d964474579bcc972bfe4a4e64dd1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2371 = "Easter Island Daylight Time"	2b4ff703ca07ef3ff07ccd758fa30dbe65c9d964474579bcc972bfe4a4e64dd1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2771 = "Omsk Daylight Time"	2b4ff703ca07ef3ff07ccd758fa30dbe65c9d964474579bcc972bfe4a4e64dd1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2162 = "Altai Standard Time"	2b4ff703ca07ef3ff07ccd758fa30dbe65c9d964474579bcc972bfe4a4e64dd1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-81 = "Atlantic Daylight Time"	2b4ff703ca07ef3ff07ccd758fa30dbe65c9d964474579bcc972bfe4a4e64dd1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-722 = "Central Pacific Standard Time"	2b4ff703ca07ef3ff07ccd758fa30dbe65c9d964474579bcc972bfe4a4e64dd1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-171 = "Central Daylight Time (Mexico)"	2b4ff703ca07ef3ff07ccd758fa30dbe65c9d964474579bcc972bfe4a4e64dd1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-92 = "Pacific SA Standard Time"	2b4ff703ca07ef3ff07ccd758fa30dbe65c9d964474579bcc972bfe4a4e64dd1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-121 = "SA Pacific Daylight Time"	2b4ff703ca07ef3ff07ccd758fa30dbe65c9d964474579bcc972bfe4a4e64dd1.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-841 = "Argentina Daylight Time"	2b4ff703ca07ef3ff07ccd758fa30dbe65c9d964474579bcc972bfe4a4e64dd1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2372 = "Easter Island Standard Time"	2b4ff703ca07ef3ff07ccd758fa30dbe65c9d964474579bcc972bfe4a4e64dd1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-352 = "FLE Standard Time"	2b4ff703ca07ef3ff07ccd758fa30dbe65c9d964474579bcc972bfe4a4e64dd1.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

2b4ff703ca07ef3ff07ccd758fa30dbe65c9d964474579bcc972bfe4a4e64dd1.exe2b4ff703ca07ef3ff07ccd758fa30dbe65c9d964474579bcc972bfe4a4e64dd1.exeinjector.execsrss.exe

pid	process
2500	2b4ff703ca07ef3ff07ccd758fa30dbe65c9d964474579bcc972bfe4a4e64dd1.exe
2500	2b4ff703ca07ef3ff07ccd758fa30dbe65c9d964474579bcc972bfe4a4e64dd1.exe
1428	2b4ff703ca07ef3ff07ccd758fa30dbe65c9d964474579bcc972bfe4a4e64dd1.exe
1428	2b4ff703ca07ef3ff07ccd758fa30dbe65c9d964474579bcc972bfe4a4e64dd1.exe
1428	2b4ff703ca07ef3ff07ccd758fa30dbe65c9d964474579bcc972bfe4a4e64dd1.exe
1428	2b4ff703ca07ef3ff07ccd758fa30dbe65c9d964474579bcc972bfe4a4e64dd1.exe
1428	2b4ff703ca07ef3ff07ccd758fa30dbe65c9d964474579bcc972bfe4a4e64dd1.exe
1428	2b4ff703ca07ef3ff07ccd758fa30dbe65c9d964474579bcc972bfe4a4e64dd1.exe
1428	2b4ff703ca07ef3ff07ccd758fa30dbe65c9d964474579bcc972bfe4a4e64dd1.exe
1428	2b4ff703ca07ef3ff07ccd758fa30dbe65c9d964474579bcc972bfe4a4e64dd1.exe
1428	2b4ff703ca07ef3ff07ccd758fa30dbe65c9d964474579bcc972bfe4a4e64dd1.exe
1428	2b4ff703ca07ef3ff07ccd758fa30dbe65c9d964474579bcc972bfe4a4e64dd1.exe
3828	injector.exe
3828	injector.exe
3828	injector.exe
3828	injector.exe
3828	injector.exe
3828	injector.exe
3004	csrss.exe
3004	csrss.exe
3828	injector.exe
3828	injector.exe
3828	injector.exe
3828	injector.exe
3828	injector.exe
3828	injector.exe
3004	csrss.exe
3004	csrss.exe
3828	injector.exe
3828	injector.exe
3828	injector.exe
3828	injector.exe
3828	injector.exe
3828	injector.exe
3828	injector.exe
3828	injector.exe
3828	injector.exe
3828	injector.exe
3828	injector.exe
3828	injector.exe
3828	injector.exe
3828	injector.exe
3828	injector.exe
3828	injector.exe
3828	injector.exe
3828	injector.exe
3828	injector.exe
3828	injector.exe
3828	injector.exe
3828	injector.exe
3828	injector.exe
3828	injector.exe
3828	injector.exe
3828	injector.exe
3828	injector.exe
3828	injector.exe
3828	injector.exe
3828	injector.exe
3828	injector.exe
3828	injector.exe
3828	injector.exe
3828	injector.exe
3828	injector.exe
3828	injector.exe

Suspicious use of AdjustPrivilegeToken 17 IoCs

Processes:

2b4ff703ca07ef3ff07ccd758fa30dbe65c9d964474579bcc972bfe4a4e64dd1.exesvchost.execsrss.exe

description	pid	process
Token: SeDebugPrivilege	2500	2b4ff703ca07ef3ff07ccd758fa30dbe65c9d964474579bcc972bfe4a4e64dd1.exe
Token: SeImpersonatePrivilege	2500	2b4ff703ca07ef3ff07ccd758fa30dbe65c9d964474579bcc972bfe4a4e64dd1.exe
Token: SeTcbPrivilege	1244	svchost.exe
Token: SeTcbPrivilege	1244	svchost.exe
Token: SeBackupPrivilege	1244	svchost.exe
Token: SeRestorePrivilege	1244	svchost.exe
Token: SeBackupPrivilege	1244	svchost.exe
Token: SeRestorePrivilege	1244	svchost.exe
Token: SeBackupPrivilege	1244	svchost.exe
Token: SeRestorePrivilege	1244	svchost.exe
Token: SeBackupPrivilege	1244	svchost.exe
Token: SeRestorePrivilege	1244	svchost.exe
Token: SeSystemEnvironmentPrivilege	3004	csrss.exe
Token: SeBackupPrivilege	1244	svchost.exe
Token: SeRestorePrivilege	1244	svchost.exe
Token: SeBackupPrivilege	1244	svchost.exe
Token: SeRestorePrivilege	1244	svchost.exe

Suspicious use of WriteProcessMemory 18 IoCs

Processes:

svchost.exe2b4ff703ca07ef3ff07ccd758fa30dbe65c9d964474579bcc972bfe4a4e64dd1.execmd.execsrss.exe

description	pid	process	target process
PID 1244 wrote to memory of 1428	1244	svchost.exe	2b4ff703ca07ef3ff07ccd758fa30dbe65c9d964474579bcc972bfe4a4e64dd1.exe
PID 1244 wrote to memory of 1428	1244	svchost.exe	2b4ff703ca07ef3ff07ccd758fa30dbe65c9d964474579bcc972bfe4a4e64dd1.exe
PID 1244 wrote to memory of 1428	1244	svchost.exe	2b4ff703ca07ef3ff07ccd758fa30dbe65c9d964474579bcc972bfe4a4e64dd1.exe
PID 1428 wrote to memory of 3456	1428	2b4ff703ca07ef3ff07ccd758fa30dbe65c9d964474579bcc972bfe4a4e64dd1.exe	cmd.exe
PID 1428 wrote to memory of 3456	1428	2b4ff703ca07ef3ff07ccd758fa30dbe65c9d964474579bcc972bfe4a4e64dd1.exe	cmd.exe
PID 3456 wrote to memory of 2088	3456	cmd.exe	netsh.exe
PID 3456 wrote to memory of 2088	3456	cmd.exe	netsh.exe
PID 1428 wrote to memory of 3004	1428	2b4ff703ca07ef3ff07ccd758fa30dbe65c9d964474579bcc972bfe4a4e64dd1.exe	csrss.exe
PID 1428 wrote to memory of 3004	1428	2b4ff703ca07ef3ff07ccd758fa30dbe65c9d964474579bcc972bfe4a4e64dd1.exe	csrss.exe
PID 1428 wrote to memory of 3004	1428	2b4ff703ca07ef3ff07ccd758fa30dbe65c9d964474579bcc972bfe4a4e64dd1.exe	csrss.exe
PID 1244 wrote to memory of 1400	1244	svchost.exe	schtasks.exe
PID 1244 wrote to memory of 1400	1244	svchost.exe	schtasks.exe
PID 1244 wrote to memory of 4240	1244	svchost.exe	schtasks.exe
PID 1244 wrote to memory of 4240	1244	svchost.exe	schtasks.exe
PID 3004 wrote to memory of 3828	3004	csrss.exe	injector.exe
PID 3004 wrote to memory of 3828	3004	csrss.exe	injector.exe
PID 1244 wrote to memory of 4656	1244	svchost.exe	schtasks.exe
PID 1244 wrote to memory of 4656	1244	svchost.exe	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\2b4ff703ca07ef3ff07ccd758fa30dbe65c9d964474579bcc972bfe4a4e64dd1.exe
"C:\Users\Admin\AppData\Local\Temp\2b4ff703ca07ef3ff07ccd758fa30dbe65c9d964474579bcc972bfe4a4e64dd1.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2500

C:\Users\Admin\AppData\Local\Temp\2b4ff703ca07ef3ff07ccd758fa30dbe65c9d964474579bcc972bfe4a4e64dd1.exe
"C:\Users\Admin\AppData\Local\Temp\2b4ff703ca07ef3ff07ccd758fa30dbe65c9d964474579bcc972bfe4a4e64dd1.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:1428

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:3456

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:2088

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:3004

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:1400

C:\Windows\SYSTEM32\schtasks.exe
schtasks /delete /tn ScheduledUpdate /f
4⤵
PID:4240

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:3828

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:4656

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:1244

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
024be0e57b518bc03857002830994ff2

SHA1
bcfbb4b0114771cf757e9506f23489fe7ab24864

SHA256
2b4ff703ca07ef3ff07ccd758fa30dbe65c9d964474579bcc972bfe4a4e64dd1

SHA512
4146f72ff1e1f8f4a981468d1c3a7dfe30135870d751f8ea062110c0258eaab1d51b32a845c98020a212006695f46dada836313bc57ea2eacf314881dd750088

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

MD5
024be0e57b518bc03857002830994ff2

SHA1
bcfbb4b0114771cf757e9506f23489fe7ab24864

SHA256
2b4ff703ca07ef3ff07ccd758fa30dbe65c9d964474579bcc972bfe4a4e64dd1

SHA512
4146f72ff1e1f8f4a981468d1c3a7dfe30135870d751f8ea062110c0258eaab1d51b32a845c98020a212006695f46dada836313bc57ea2eacf314881dd750088

Download Submit
memory/1400-145-0x0000000000000000-mapping.dmp

Download
memory/1428-135-0x0000000000000000-mapping.dmp

Download
memory/1428-138-0x0000000004C2D000-0x0000000005016000-memory.dmp

Filesize
3.9MB

Download
memory/1428-140-0x0000000000400000-0x0000000002F78000-memory.dmp

Filesize
43.5MB

Download
memory/1428-144-0x0000000000400000-0x0000000002F78000-memory.dmp

Filesize
43.5MB

Download
memory/2088-139-0x0000000000000000-mapping.dmp

Download
memory/2500-136-0x0000000000400000-0x0000000002F78000-memory.dmp

Filesize
43.5MB

Download
memory/2500-132-0x0000000004EC8000-0x00000000052B1000-memory.dmp

Filesize
3.9MB

Download
memory/2500-134-0x0000000000400000-0x0000000002F78000-memory.dmp

Filesize
43.5MB

Download
memory/2500-133-0x00000000052C0000-0x0000000005B37000-memory.dmp

Filesize
8.5MB

Download
memory/3004-147-0x0000000005200000-0x00000000055E9000-memory.dmp

Filesize
3.9MB

Download
memory/3004-148-0x0000000000400000-0x0000000002F78000-memory.dmp

Filesize
43.5MB

Download
memory/3004-141-0x0000000000000000-mapping.dmp

Download
memory/3004-153-0x0000000000400000-0x0000000002F78000-memory.dmp

Filesize
43.5MB

Download
memory/3456-137-0x0000000000000000-mapping.dmp

Download
memory/3828-149-0x0000000000000000-mapping.dmp

Download
memory/4240-146-0x0000000000000000-mapping.dmp

Download
memory/4656-152-0x0000000000000000-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