glupteba | dc5b72371f3ab15790cbe82dfe17ae6e951a53936c4d49e8d450fab58980c8ff

General

Target

dc5b72371f3ab15790cbe82dfe17ae6e951a53936c4d49e8d450fab58980c8ff.exe
Size

4.1MB
MD5

ced2cf5c8920e181d4e8b6255111917a
SHA1

c914fecffe884de81193bbbad74d08073667f787
SHA256

dc5b72371f3ab15790cbe82dfe17ae6e951a53936c4d49e8d450fab58980c8ff
SHA512

3a1100ab458a95a845679e9f5f01e04d5ecffe6c081726d24b4bbfaaaeed27d0010fbe08ce6d4752758b477783d4f285a4d4c3cd3d7c0300b621d752510ca40e
SSDEEP

98304:yZUM/z6Nnb7zLGjBsKVQjD4ZbTEg7SsNVfZOuxKBJpbOwME4szt:yZB2NnHmsKIchL7ScVzUtw5+

Score

10^/10

glupteba discovery dropper evasion loader persistence upx

Malware Config

Signatures

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

Suspicious use of NtCreateUserProcessOtherParentProcess 6 IoCs

Processes:

svchost.exe

description	pid	process	target process
PID 3196 created 4752	3196	svchost.exe	dc5b72371f3ab15790cbe82dfe17ae6e951a53936c4d49e8d450fab58980c8ff.exe
PID 3196 created 4480	3196	svchost.exe	csrss.exe
PID 3196 created 4480	3196	svchost.exe	csrss.exe
PID 3196 created 4480	3196	svchost.exe	csrss.exe
PID 3196 created 3864	3196	svchost.exe	f801950a962ddba14caaa44bf084b55c.exe
PID 3196 created 3864	3196	svchost.exe	f801950a962ddba14caaa44bf084b55c.exe

Executes dropped EXE 3 IoCs

Processes:

csrss.exeinjector.exef801950a962ddba14caaa44bf084b55c.exe

pid process

4480 csrss.exe
996 injector.exe
3864 f801950a962ddba14caaa44bf084b55c.exe
Modifies Windows Firewall 1 TTPs 1 IoCs
evasion

Modify Existing Service
T1031

Processes:

netsh.exe

pid process

364 netsh.exe

pid	process
4480	csrss.exe
996	injector.exe
3864	f801950a962ddba14caaa44bf084b55c.exe

pid	process
364	netsh.exe

UPX packed file 5 IoCs

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

upx

Processes:

resource	yara_rule
C:\Users\Admin\AppData\Local\Temp\csrss\f801950a962ddba14caaa44bf084b55c.exe	upx
C:\Users\Admin\AppData\Local\Temp\csrss\f801950a962ddba14caaa44bf084b55c.exe	upx
behavioral1/memory/3864-157-0x0000000000400000-0x0000000000C25000-memory.dmp	upx
behavioral1/memory/3864-161-0x0000000000400000-0x0000000000C25000-memory.dmp	upx
behavioral1/memory/3864-163-0x0000000000400000-0x0000000000C25000-memory.dmp	upx

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

dc5b72371f3ab15790cbe82dfe17ae6e951a53936c4d49e8d450fab58980c8ff.execsrss.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\""	dc5b72371f3ab15790cbe82dfe17ae6e951a53936c4d49e8d450fab58980c8ff.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\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

Drops file in Windows directory 2 IoCs

Processes:

dc5b72371f3ab15790cbe82dfe17ae6e951a53936c4d49e8d450fab58980c8ff.exe

description	ioc	process
File created	C:\Windows\rss\csrss.exe	dc5b72371f3ab15790cbe82dfe17ae6e951a53936c4d49e8d450fab58980c8ff.exe
File opened for modification	C:\Windows\rss	dc5b72371f3ab15790cbe82dfe17ae6e951a53936c4d49e8d450fab58980c8ff.exe

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

4804 5076 WerFault.exe dc5b72371f3ab15790cbe82dfe17ae6e951a53936c4d49e8d450fab58980c8ff.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

3540 schtasks.exe
2140 schtasks.exe

pid	pid_target	process	target process
4804	5076	WerFault.exe	dc5b72371f3ab15790cbe82dfe17ae6e951a53936c4d49e8d450fab58980c8ff.exe

pid	process
3540	schtasks.exe
2140	schtasks.exe

Modifies data under HKEY_USERS 64 IoCs

Processes:

dc5b72371f3ab15790cbe82dfe17ae6e951a53936c4d49e8d450fab58980c8ff.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-682 = "E. Australia Standard Time"	dc5b72371f3ab15790cbe82dfe17ae6e951a53936c4d49e8d450fab58980c8ff.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-231 = "Hawaiian Daylight Time"	dc5b72371f3ab15790cbe82dfe17ae6e951a53936c4d49e8d450fab58980c8ff.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2751 = "Tomsk Daylight Time"	dc5b72371f3ab15790cbe82dfe17ae6e951a53936c4d49e8d450fab58980c8ff.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-442 = "Arabian Standard Time"	dc5b72371f3ab15790cbe82dfe17ae6e951a53936c4d49e8d450fab58980c8ff.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-282 = "Central Europe Standard Time"	dc5b72371f3ab15790cbe82dfe17ae6e951a53936c4d49e8d450fab58980c8ff.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1822 = "Russia TZ 1 Standard Time"	dc5b72371f3ab15790cbe82dfe17ae6e951a53936c4d49e8d450fab58980c8ff.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2792 = "Novosibirsk Standard Time"	dc5b72371f3ab15790cbe82dfe17ae6e951a53936c4d49e8d450fab58980c8ff.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2062 = "North Korea Standard Time"	dc5b72371f3ab15790cbe82dfe17ae6e951a53936c4d49e8d450fab58980c8ff.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-602 = "Taipei Standard Time"	dc5b72371f3ab15790cbe82dfe17ae6e951a53936c4d49e8d450fab58980c8ff.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-691 = "Tasmania Daylight Time"	dc5b72371f3ab15790cbe82dfe17ae6e951a53936c4d49e8d450fab58980c8ff.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-391 = "Arab Daylight Time"	dc5b72371f3ab15790cbe82dfe17ae6e951a53936c4d49e8d450fab58980c8ff.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"	dc5b72371f3ab15790cbe82dfe17ae6e951a53936c4d49e8d450fab58980c8ff.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-672 = "AUS Eastern Standard Time"	dc5b72371f3ab15790cbe82dfe17ae6e951a53936c4d49e8d450fab58980c8ff.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-291 = "Central European Daylight Time"	dc5b72371f3ab15790cbe82dfe17ae6e951a53936c4d49e8d450fab58980c8ff.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-792 = "SA Western Standard Time"	dc5b72371f3ab15790cbe82dfe17ae6e951a53936c4d49e8d450fab58980c8ff.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-631 = "Tokyo Daylight Time"	dc5b72371f3ab15790cbe82dfe17ae6e951a53936c4d49e8d450fab58980c8ff.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2391 = "Aleutian Daylight Time"	dc5b72371f3ab15790cbe82dfe17ae6e951a53936c4d49e8d450fab58980c8ff.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2162 = "Altai Standard Time"	dc5b72371f3ab15790cbe82dfe17ae6e951a53936c4d49e8d450fab58980c8ff.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2371 = "Easter Island Daylight Time"	dc5b72371f3ab15790cbe82dfe17ae6e951a53936c4d49e8d450fab58980c8ff.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-732 = "Fiji Standard Time"	dc5b72371f3ab15790cbe82dfe17ae6e951a53936c4d49e8d450fab58980c8ff.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2411 = "Marquesas Daylight Time"	dc5b72371f3ab15790cbe82dfe17ae6e951a53936c4d49e8d450fab58980c8ff.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1892 = "Russia TZ 3 Standard Time"	dc5b72371f3ab15790cbe82dfe17ae6e951a53936c4d49e8d450fab58980c8ff.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1891 = "Russia TZ 3 Daylight Time"	dc5b72371f3ab15790cbe82dfe17ae6e951a53936c4d49e8d450fab58980c8ff.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1662 = "Bahia Standard Time"	dc5b72371f3ab15790cbe82dfe17ae6e951a53936c4d49e8d450fab58980c8ff.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-661 = "Cen. Australia Daylight Time"	dc5b72371f3ab15790cbe82dfe17ae6e951a53936c4d49e8d450fab58980c8ff.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-3142 = "South Sudan Standard Time"	dc5b72371f3ab15790cbe82dfe17ae6e951a53936c4d49e8d450fab58980c8ff.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-452 = "Caucasus Standard Time"	dc5b72371f3ab15790cbe82dfe17ae6e951a53936c4d49e8d450fab58980c8ff.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-302 = "Romance Standard Time"	dc5b72371f3ab15790cbe82dfe17ae6e951a53936c4d49e8d450fab58980c8ff.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-52 = "Greenland Standard Time"	dc5b72371f3ab15790cbe82dfe17ae6e951a53936c4d49e8d450fab58980c8ff.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-981 = "Kamchatka Daylight Time"	dc5b72371f3ab15790cbe82dfe17ae6e951a53936c4d49e8d450fab58980c8ff.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-301 = "Romance Daylight Time"	dc5b72371f3ab15790cbe82dfe17ae6e951a53936c4d49e8d450fab58980c8ff.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-162 = "Central Standard Time"	dc5b72371f3ab15790cbe82dfe17ae6e951a53936c4d49e8d450fab58980c8ff.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-351 = "FLE Daylight Time"	dc5b72371f3ab15790cbe82dfe17ae6e951a53936c4d49e8d450fab58980c8ff.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-371 = "Jerusalem Daylight Time"	dc5b72371f3ab15790cbe82dfe17ae6e951a53936c4d49e8d450fab58980c8ff.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-772 = "Montevideo Standard Time"	dc5b72371f3ab15790cbe82dfe17ae6e951a53936c4d49e8d450fab58980c8ff.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2532 = "Chatham Islands Standard Time"	dc5b72371f3ab15790cbe82dfe17ae6e951a53936c4d49e8d450fab58980c8ff.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2431 = "Cuba Daylight Time"	dc5b72371f3ab15790cbe82dfe17ae6e951a53936c4d49e8d450fab58980c8ff.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-191 = "Mountain Daylight Time"	dc5b72371f3ab15790cbe82dfe17ae6e951a53936c4d49e8d450fab58980c8ff.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"	dc5b72371f3ab15790cbe82dfe17ae6e951a53936c4d49e8d450fab58980c8ff.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-211 = "Pacific Daylight Time"	dc5b72371f3ab15790cbe82dfe17ae6e951a53936c4d49e8d450fab58980c8ff.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2451 = "Saint Pierre Daylight Time"	dc5b72371f3ab15790cbe82dfe17ae6e951a53936c4d49e8d450fab58980c8ff.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2892 = "Sudan Standard Time"	dc5b72371f3ab15790cbe82dfe17ae6e951a53936c4d49e8d450fab58980c8ff.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-461 = "Afghanistan Daylight Time"	dc5b72371f3ab15790cbe82dfe17ae6e951a53936c4d49e8d450fab58980c8ff.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-771 = "Montevideo Daylight Time"	dc5b72371f3ab15790cbe82dfe17ae6e951a53936c4d49e8d450fab58980c8ff.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1501 = "Turkey Daylight Time"	dc5b72371f3ab15790cbe82dfe17ae6e951a53936c4d49e8d450fab58980c8ff.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-662 = "Cen. Australia Standard Time"	dc5b72371f3ab15790cbe82dfe17ae6e951a53936c4d49e8d450fab58980c8ff.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2592 = "Tocantins Standard Time"	dc5b72371f3ab15790cbe82dfe17ae6e951a53936c4d49e8d450fab58980c8ff.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-832 = "SA Eastern Standard Time"	dc5b72371f3ab15790cbe82dfe17ae6e951a53936c4d49e8d450fab58980c8ff.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2941 = "Sao Tome Daylight Time"	dc5b72371f3ab15790cbe82dfe17ae6e951a53936c4d49e8d450fab58980c8ff.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2841 = "Saratov Daylight Time"	dc5b72371f3ab15790cbe82dfe17ae6e951a53936c4d49e8d450fab58980c8ff.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-841 = "Argentina Daylight Time"	dc5b72371f3ab15790cbe82dfe17ae6e951a53936c4d49e8d450fab58980c8ff.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-412 = "E. Africa Standard Time"	dc5b72371f3ab15790cbe82dfe17ae6e951a53936c4d49e8d450fab58980c8ff.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-752 = "Tonga Standard Time"	dc5b72371f3ab15790cbe82dfe17ae6e951a53936c4d49e8d450fab58980c8ff.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-651 = "AUS Central Daylight Time"	dc5b72371f3ab15790cbe82dfe17ae6e951a53936c4d49e8d450fab58980c8ff.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-731 = "Fiji Daylight Time"	dc5b72371f3ab15790cbe82dfe17ae6e951a53936c4d49e8d450fab58980c8ff.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-532 = "Sri Lanka Standard Time"	dc5b72371f3ab15790cbe82dfe17ae6e951a53936c4d49e8d450fab58980c8ff.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1411 = "Syria Daylight Time"	dc5b72371f3ab15790cbe82dfe17ae6e951a53936c4d49e8d450fab58980c8ff.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-384 = "Namibia Daylight Time"	dc5b72371f3ab15790cbe82dfe17ae6e951a53936c4d49e8d450fab58980c8ff.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-91 = "Pacific SA Daylight Time"	dc5b72371f3ab15790cbe82dfe17ae6e951a53936c4d49e8d450fab58980c8ff.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-912 = "Mauritius Standard Time"	dc5b72371f3ab15790cbe82dfe17ae6e951a53936c4d49e8d450fab58980c8ff.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-92 = "Pacific SA Standard Time"	dc5b72371f3ab15790cbe82dfe17ae6e951a53936c4d49e8d450fab58980c8ff.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-214 = "Pacific Daylight Time (Mexico)"	dc5b72371f3ab15790cbe82dfe17ae6e951a53936c4d49e8d450fab58980c8ff.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1661 = "Bahia Daylight Time"	dc5b72371f3ab15790cbe82dfe17ae6e951a53936c4d49e8d450fab58980c8ff.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-982 = "Kamchatka Standard Time"	dc5b72371f3ab15790cbe82dfe17ae6e951a53936c4d49e8d450fab58980c8ff.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

dc5b72371f3ab15790cbe82dfe17ae6e951a53936c4d49e8d450fab58980c8ff.exedc5b72371f3ab15790cbe82dfe17ae6e951a53936c4d49e8d450fab58980c8ff.exeinjector.execsrss.exe

pid	process
4752	dc5b72371f3ab15790cbe82dfe17ae6e951a53936c4d49e8d450fab58980c8ff.exe
4752	dc5b72371f3ab15790cbe82dfe17ae6e951a53936c4d49e8d450fab58980c8ff.exe
5076	dc5b72371f3ab15790cbe82dfe17ae6e951a53936c4d49e8d450fab58980c8ff.exe
5076	dc5b72371f3ab15790cbe82dfe17ae6e951a53936c4d49e8d450fab58980c8ff.exe
5076	dc5b72371f3ab15790cbe82dfe17ae6e951a53936c4d49e8d450fab58980c8ff.exe
5076	dc5b72371f3ab15790cbe82dfe17ae6e951a53936c4d49e8d450fab58980c8ff.exe
5076	dc5b72371f3ab15790cbe82dfe17ae6e951a53936c4d49e8d450fab58980c8ff.exe
5076	dc5b72371f3ab15790cbe82dfe17ae6e951a53936c4d49e8d450fab58980c8ff.exe
5076	dc5b72371f3ab15790cbe82dfe17ae6e951a53936c4d49e8d450fab58980c8ff.exe
5076	dc5b72371f3ab15790cbe82dfe17ae6e951a53936c4d49e8d450fab58980c8ff.exe
5076	dc5b72371f3ab15790cbe82dfe17ae6e951a53936c4d49e8d450fab58980c8ff.exe
5076	dc5b72371f3ab15790cbe82dfe17ae6e951a53936c4d49e8d450fab58980c8ff.exe
996	injector.exe
996	injector.exe
996	injector.exe
996	injector.exe
996	injector.exe
996	injector.exe
996	injector.exe
996	injector.exe
4480	csrss.exe
4480	csrss.exe
996	injector.exe
996	injector.exe
996	injector.exe
996	injector.exe
996	injector.exe
996	injector.exe
4480	csrss.exe
4480	csrss.exe
996	injector.exe
996	injector.exe
996	injector.exe
996	injector.exe
996	injector.exe
996	injector.exe
996	injector.exe
996	injector.exe
996	injector.exe
996	injector.exe
996	injector.exe
996	injector.exe
996	injector.exe
996	injector.exe
996	injector.exe
996	injector.exe
996	injector.exe
996	injector.exe
996	injector.exe
996	injector.exe
996	injector.exe
996	injector.exe
996	injector.exe
996	injector.exe
996	injector.exe
996	injector.exe
996	injector.exe
996	injector.exe
996	injector.exe
996	injector.exe
996	injector.exe
996	injector.exe
996	injector.exe
996	injector.exe

Suspicious use of AdjustPrivilegeToken 25 IoCs

Processes:

dc5b72371f3ab15790cbe82dfe17ae6e951a53936c4d49e8d450fab58980c8ff.exesvchost.execsrss.exe

description	pid	process
Token: SeDebugPrivilege	4752	dc5b72371f3ab15790cbe82dfe17ae6e951a53936c4d49e8d450fab58980c8ff.exe
Token: SeImpersonatePrivilege	4752	dc5b72371f3ab15790cbe82dfe17ae6e951a53936c4d49e8d450fab58980c8ff.exe
Token: SeTcbPrivilege	3196	svchost.exe
Token: SeTcbPrivilege	3196	svchost.exe
Token: SeBackupPrivilege	3196	svchost.exe
Token: SeRestorePrivilege	3196	svchost.exe
Token: SeBackupPrivilege	3196	svchost.exe
Token: SeRestorePrivilege	3196	svchost.exe
Token: SeBackupPrivilege	3196	svchost.exe
Token: SeRestorePrivilege	3196	svchost.exe
Token: SeBackupPrivilege	3196	svchost.exe
Token: SeRestorePrivilege	3196	svchost.exe
Token: SeSystemEnvironmentPrivilege	4480	csrss.exe
Token: SeBackupPrivilege	3196	svchost.exe
Token: SeRestorePrivilege	3196	svchost.exe
Token: SeBackupPrivilege	3196	svchost.exe
Token: SeRestorePrivilege	3196	svchost.exe
Token: SeBackupPrivilege	3196	svchost.exe
Token: SeRestorePrivilege	3196	svchost.exe
Token: SeBackupPrivilege	3196	svchost.exe
Token: SeRestorePrivilege	3196	svchost.exe
Token: SeBackupPrivilege	3196	svchost.exe
Token: SeRestorePrivilege	3196	svchost.exe
Token: SeBackupPrivilege	3196	svchost.exe
Token: SeRestorePrivilege	3196	svchost.exe

Suspicious use of WriteProcessMemory 25 IoCs

Processes:

svchost.exedc5b72371f3ab15790cbe82dfe17ae6e951a53936c4d49e8d450fab58980c8ff.execmd.execsrss.exe

description	pid	process	target process
PID 3196 wrote to memory of 5076	3196	svchost.exe	dc5b72371f3ab15790cbe82dfe17ae6e951a53936c4d49e8d450fab58980c8ff.exe
PID 3196 wrote to memory of 5076	3196	svchost.exe	dc5b72371f3ab15790cbe82dfe17ae6e951a53936c4d49e8d450fab58980c8ff.exe
PID 3196 wrote to memory of 5076	3196	svchost.exe	dc5b72371f3ab15790cbe82dfe17ae6e951a53936c4d49e8d450fab58980c8ff.exe
PID 5076 wrote to memory of 176	5076	dc5b72371f3ab15790cbe82dfe17ae6e951a53936c4d49e8d450fab58980c8ff.exe	cmd.exe
PID 5076 wrote to memory of 176	5076	dc5b72371f3ab15790cbe82dfe17ae6e951a53936c4d49e8d450fab58980c8ff.exe	cmd.exe
PID 176 wrote to memory of 364	176	cmd.exe	netsh.exe
PID 176 wrote to memory of 364	176	cmd.exe	netsh.exe
PID 5076 wrote to memory of 4480	5076	dc5b72371f3ab15790cbe82dfe17ae6e951a53936c4d49e8d450fab58980c8ff.exe	csrss.exe
PID 5076 wrote to memory of 4480	5076	dc5b72371f3ab15790cbe82dfe17ae6e951a53936c4d49e8d450fab58980c8ff.exe	csrss.exe
PID 5076 wrote to memory of 4480	5076	dc5b72371f3ab15790cbe82dfe17ae6e951a53936c4d49e8d450fab58980c8ff.exe	csrss.exe
PID 3196 wrote to memory of 3540	3196	svchost.exe	schtasks.exe
PID 3196 wrote to memory of 3540	3196	svchost.exe	schtasks.exe
PID 3196 wrote to memory of 5068	3196	svchost.exe	schtasks.exe
PID 3196 wrote to memory of 5068	3196	svchost.exe	schtasks.exe
PID 4480 wrote to memory of 996	4480	csrss.exe	injector.exe
PID 4480 wrote to memory of 996	4480	csrss.exe	injector.exe
PID 3196 wrote to memory of 2140	3196	svchost.exe	schtasks.exe
PID 3196 wrote to memory of 2140	3196	svchost.exe	schtasks.exe
PID 4480 wrote to memory of 3864	4480	csrss.exe	f801950a962ddba14caaa44bf084b55c.exe
PID 4480 wrote to memory of 3864	4480	csrss.exe	f801950a962ddba14caaa44bf084b55c.exe
PID 4480 wrote to memory of 3864	4480	csrss.exe	f801950a962ddba14caaa44bf084b55c.exe
PID 3196 wrote to memory of 1396	3196	svchost.exe	schtasks.exe
PID 3196 wrote to memory of 1396	3196	svchost.exe	schtasks.exe
PID 3196 wrote to memory of 4952	3196	svchost.exe	schtasks.exe
PID 3196 wrote to memory of 4952	3196	svchost.exe	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\dc5b72371f3ab15790cbe82dfe17ae6e951a53936c4d49e8d450fab58980c8ff.exe
"C:\Users\Admin\AppData\Local\Temp\dc5b72371f3ab15790cbe82dfe17ae6e951a53936c4d49e8d450fab58980c8ff.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4752

C:\Users\Admin\AppData\Local\Temp\dc5b72371f3ab15790cbe82dfe17ae6e951a53936c4d49e8d450fab58980c8ff.exe
"C:\Users\Admin\AppData\Local\Temp\dc5b72371f3ab15790cbe82dfe17ae6e951a53936c4d49e8d450fab58980c8ff.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:5076

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:176

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:364

C:\Windows\rss\csrss.exe
C:\Windows\rss\csrss.exe
3⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4480

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:3540

C:\Windows\SYSTEM32\schtasks.exe
schtasks /delete /tn ScheduledUpdate /f
4⤵
PID:5068

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:996

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:2140

C:\Users\Admin\AppData\Local\Temp\csrss\f801950a962ddba14caaa44bf084b55c.exe
C:\Users\Admin\AppData\Local\Temp\csrss\f801950a962ddba14caaa44bf084b55c.exe
4⤵
- Executes dropped EXE
PID:3864

C:\Windows\SYSTEM32\schtasks.exe
schtasks /delete /tn "csrss" /f
5⤵
PID:1396

C:\Windows\SYSTEM32\schtasks.exe
schtasks /delete /tn "ScheduledUpdate" /f
5⤵
PID:4952

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 5076 -s 696
3⤵
- Program crash
PID:4804

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:3196

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 5076 -ip 5076
1⤵
PID:1272

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

Impact

Replay Monitor

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Downloads

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

MD5
f801950a962ddba14caaa44bf084b55c

SHA1
7cadc9076121297428442785536ba0df2d4ae996

SHA256
c3946ec89e15b24b743c46f9acacb58cff47da63f3ce2799d71ed90496b8891f

SHA512
4183bc76bdc84fb779e2e573d9a63d7de47096b63b945f9e335bee95ae28eb208f5ee15f6501ac59623b97c5b77f3455ca313512e7d9803e1704ae22a52459c5

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

MD5
f801950a962ddba14caaa44bf084b55c

SHA1
7cadc9076121297428442785536ba0df2d4ae996

SHA256
c3946ec89e15b24b743c46f9acacb58cff47da63f3ce2799d71ed90496b8891f

SHA512
4183bc76bdc84fb779e2e573d9a63d7de47096b63b945f9e335bee95ae28eb208f5ee15f6501ac59623b97c5b77f3455ca313512e7d9803e1704ae22a52459c5

Download Submit
C:\Users\Admin\AppData\Local\Temp\csrss\injector\NtQuerySystemInformationHook.dll
Filesize
99KB

MD5
09031a062610d77d685c9934318b4170

SHA1
880f744184e7774f3d14c1bb857e21cc7fe89a6d

SHA256
778bd69af403df3c4e074c31b3850d71bf0e64524bea4272a802ca9520b379dd

SHA512
9a276e1f0f55d35f2bf38eb093464f7065bdd30a660e6d1c62eed5e76d1fb2201567b89d9ae65d2d89dc99b142159e36fb73be8d5e08252a975d50544a7cda27

Download Submit
C:\Users\Admin\AppData\Local\Temp\csrss\injector\injector.exe
Filesize
281KB

MD5
d98e33b66343e7c96158444127a117f6

SHA1
bb716c5509a2bf345c6c1152f6e3e1452d39d50d

SHA256
5de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1

SHA512
705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5

Download Submit
C:\Users\Admin\AppData\Local\Temp\csrss\injector\injector.exe
Filesize
281KB

MD5
d98e33b66343e7c96158444127a117f6

SHA1
bb716c5509a2bf345c6c1152f6e3e1452d39d50d

SHA256
5de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1

SHA512
705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5

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

MD5
ced2cf5c8920e181d4e8b6255111917a

SHA1
c914fecffe884de81193bbbad74d08073667f787

SHA256
dc5b72371f3ab15790cbe82dfe17ae6e951a53936c4d49e8d450fab58980c8ff

SHA512
3a1100ab458a95a845679e9f5f01e04d5ecffe6c081726d24b4bbfaaaeed27d0010fbe08ce6d4752758b477783d4f285a4d4c3cd3d7c0300b621d752510ca40e

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

MD5
ced2cf5c8920e181d4e8b6255111917a

SHA1
c914fecffe884de81193bbbad74d08073667f787

SHA256
dc5b72371f3ab15790cbe82dfe17ae6e951a53936c4d49e8d450fab58980c8ff

SHA512
3a1100ab458a95a845679e9f5f01e04d5ecffe6c081726d24b4bbfaaaeed27d0010fbe08ce6d4752758b477783d4f285a4d4c3cd3d7c0300b621d752510ca40e

Download Submit
memory/176-137-0x0000000000000000-mapping.dmp

Download
memory/364-138-0x0000000000000000-mapping.dmp

Download
memory/996-149-0x0000000000000000-mapping.dmp

Download
memory/1396-159-0x0000000000000000-mapping.dmp

Download
memory/2140-152-0x0000000000000000-mapping.dmp

Download
memory/3540-145-0x0000000000000000-mapping.dmp

Download
memory/3864-157-0x0000000000400000-0x0000000000C25000-memory.dmp

Filesize
8.1MB

Download
memory/3864-154-0x0000000000000000-mapping.dmp

Download
memory/3864-161-0x0000000000400000-0x0000000000C25000-memory.dmp

Filesize
8.1MB

Download
memory/3864-163-0x0000000000400000-0x0000000000C25000-memory.dmp

Filesize
8.1MB

Download
memory/4480-148-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/4480-141-0x0000000000000000-mapping.dmp

Download
memory/4480-147-0x0000000002E00000-0x00000000031E9000-memory.dmp

Filesize
3.9MB

Download
memory/4480-158-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/4480-153-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/4752-136-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/4752-132-0x00000000029EF000-0x0000000002DD8000-memory.dmp

Filesize
3.9MB

Download
memory/4752-134-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/4752-133-0x0000000002DE0000-0x0000000003657000-memory.dmp

Filesize
8.5MB

Download
memory/4952-160-0x0000000000000000-mapping.dmp

Download
memory/5068-146-0x0000000000000000-mapping.dmp

Download
memory/5076-144-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/5076-140-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/5076-139-0x000000000295B000-0x0000000002D44000-memory.dmp

Filesize
3.9MB

Download
memory/5076-135-0x0000000000000000-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