glupteba | c431388dc124d48af483b1022b251c32c89dd97afe9921481c181ba5a74dc2d1

General

Target

c431388dc124d48af483b1022b251c32c89dd97afe9921481c181ba5a74dc2d1.exe
Size

4.1MB
MD5

bbdfdc950ea82f62c63aac37260ae934
SHA1

383146ad79477f1f61053c7658194860df031c4e
SHA256

c431388dc124d48af483b1022b251c32c89dd97afe9921481c181ba5a74dc2d1
SHA512

fbc5d83059d91e22f54cf290d9b50a88ad00cff4f21ab60d4e925815a0fce610adf4932f85000284cc9eda12f039a2f475685ca87a383c7781db6f68fefd6848
SSDEEP

98304:v6s7eYqXEy+L60B3c2olZONxtlg6KFySws2pMtBO8onbqb7s:vf7cXEjfsxlZOBlg6KFT52piQNnMs

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 2976 created 996	2976	svchost.exe	c431388dc124d48af483b1022b251c32c89dd97afe9921481c181ba5a74dc2d1.exe
PID 2976 created 2900	2976	svchost.exe	csrss.exe
PID 2976 created 2900	2976	svchost.exe	csrss.exe
PID 2976 created 2900	2976	svchost.exe	csrss.exe

Executes dropped EXE 2 IoCs

Processes:

csrss.exeinjector.exe

pid process

2900 csrss.exe
380 injector.exe
Modifies Windows Firewall 1 TTPs 1 IoCs
evasion

Modify Existing Service
T1031

Processes:

netsh.exe

pid process

1276 netsh.exe

pid	process
2900	csrss.exe
380	injector.exe

pid	process
1276	netsh.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

c431388dc124d48af483b1022b251c32c89dd97afe9921481c181ba5a74dc2d1.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\""	c431388dc124d48af483b1022b251c32c89dd97afe9921481c181ba5a74dc2d1.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

Drops file in Windows directory 2 IoCs

Processes:

c431388dc124d48af483b1022b251c32c89dd97afe9921481c181ba5a74dc2d1.exe

description	ioc	process
File opened for modification	C:\Windows\rss	c431388dc124d48af483b1022b251c32c89dd97afe9921481c181ba5a74dc2d1.exe
File created	C:\Windows\rss\csrss.exe	c431388dc124d48af483b1022b251c32c89dd97afe9921481c181ba5a74dc2d1.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

4820 schtasks.exe
3472 schtasks.exe

pid	process
4820	schtasks.exe
3472	schtasks.exe

Modifies data under HKEY_USERS 64 IoCs

Processes:

c431388dc124d48af483b1022b251c32c89dd97afe9921481c181ba5a74dc2d1.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-722 = "Central Pacific Standard Time"	c431388dc124d48af483b1022b251c32c89dd97afe9921481c181ba5a74dc2d1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2942 = "Sao Tome Standard Time"	c431388dc124d48af483b1022b251c32c89dd97afe9921481c181ba5a74dc2d1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-591 = "Malay Peninsula Daylight Time"	c431388dc124d48af483b1022b251c32c89dd97afe9921481c181ba5a74dc2d1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-841 = "Argentina Daylight Time"	c431388dc124d48af483b1022b251c32c89dd97afe9921481c181ba5a74dc2d1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1021 = "Bangladesh Daylight Time"	c431388dc124d48af483b1022b251c32c89dd97afe9921481c181ba5a74dc2d1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-31 = "Mid-Atlantic Daylight Time"	c431388dc124d48af483b1022b251c32c89dd97afe9921481c181ba5a74dc2d1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-502 = "Nepal Standard Time"	c431388dc124d48af483b1022b251c32c89dd97afe9921481c181ba5a74dc2d1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2842 = "Saratov Standard Time"	c431388dc124d48af483b1022b251c32c89dd97afe9921481c181ba5a74dc2d1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-842 = "Argentina Standard Time"	c431388dc124d48af483b1022b251c32c89dd97afe9921481c181ba5a74dc2d1.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"	c431388dc124d48af483b1022b251c32c89dd97afe9921481c181ba5a74dc2d1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-221 = "Alaskan Daylight Time"	c431388dc124d48af483b1022b251c32c89dd97afe9921481c181ba5a74dc2d1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-441 = "Arabian Daylight Time"	c431388dc124d48af483b1022b251c32c89dd97afe9921481c181ba5a74dc2d1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-252 = "Dateline Standard Time"	c431388dc124d48af483b1022b251c32c89dd97afe9921481c181ba5a74dc2d1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-372 = "Jerusalem Standard Time"	c431388dc124d48af483b1022b251c32c89dd97afe9921481c181ba5a74dc2d1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1862 = "Russia TZ 6 Standard Time"	c431388dc124d48af483b1022b251c32c89dd97afe9921481c181ba5a74dc2d1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1042 = "Ulaanbaatar Standard Time"	c431388dc124d48af483b1022b251c32c89dd97afe9921481c181ba5a74dc2d1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-449 = "Azerbaijan Standard Time"	c431388dc124d48af483b1022b251c32c89dd97afe9921481c181ba5a74dc2d1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1972 = "Belarus Standard Time"	c431388dc124d48af483b1022b251c32c89dd97afe9921481c181ba5a74dc2d1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-42 = "E. South America Standard Time"	c431388dc124d48af483b1022b251c32c89dd97afe9921481c181ba5a74dc2d1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-182 = "Mountain Standard Time (Mexico)"	c431388dc124d48af483b1022b251c32c89dd97afe9921481c181ba5a74dc2d1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2062 = "North Korea Standard Time"	c431388dc124d48af483b1022b251c32c89dd97afe9921481c181ba5a74dc2d1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-662 = "Cen. Australia Standard Time"	c431388dc124d48af483b1022b251c32c89dd97afe9921481c181ba5a74dc2d1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-151 = "Central America Daylight Time"	c431388dc124d48af483b1022b251c32c89dd97afe9921481c181ba5a74dc2d1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-432 = "Iran Standard Time"	c431388dc124d48af483b1022b251c32c89dd97afe9921481c181ba5a74dc2d1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-772 = "Montevideo Standard Time"	c431388dc124d48af483b1022b251c32c89dd97afe9921481c181ba5a74dc2d1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-448 = "Azerbaijan Daylight Time"	c431388dc124d48af483b1022b251c32c89dd97afe9921481c181ba5a74dc2d1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2531 = "Chatham Islands Daylight Time"	c431388dc124d48af483b1022b251c32c89dd97afe9921481c181ba5a74dc2d1.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"	c431388dc124d48af483b1022b251c32c89dd97afe9921481c181ba5a74dc2d1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-501 = "Nepal Daylight Time"	c431388dc124d48af483b1022b251c32c89dd97afe9921481c181ba5a74dc2d1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-532 = "Sri Lanka Standard Time"	c431388dc124d48af483b1022b251c32c89dd97afe9921481c181ba5a74dc2d1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-92 = "Pacific SA Standard Time"	c431388dc124d48af483b1022b251c32c89dd97afe9921481c181ba5a74dc2d1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2002 = "Cabo Verde Standard Time"	c431388dc124d48af483b1022b251c32c89dd97afe9921481c181ba5a74dc2d1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-181 = "Mountain Daylight Time (Mexico)"	c431388dc124d48af483b1022b251c32c89dd97afe9921481c181ba5a74dc2d1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1931 = "Russia TZ 11 Daylight Time"	c431388dc124d48af483b1022b251c32c89dd97afe9921481c181ba5a74dc2d1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2751 = "Tomsk Daylight Time"	c431388dc124d48af483b1022b251c32c89dd97afe9921481c181ba5a74dc2d1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-932 = "Coordinated Universal Time"	c431388dc124d48af483b1022b251c32c89dd97afe9921481c181ba5a74dc2d1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-511 = "Central Asia Daylight Time"	c431388dc124d48af483b1022b251c32c89dd97afe9921481c181ba5a74dc2d1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-3141 = "South Sudan Daylight Time"	c431388dc124d48af483b1022b251c32c89dd97afe9921481c181ba5a74dc2d1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-531 = "Sri Lanka Daylight Time"	c431388dc124d48af483b1022b251c32c89dd97afe9921481c181ba5a74dc2d1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2161 = "Altai Daylight Time"	c431388dc124d48af483b1022b251c32c89dd97afe9921481c181ba5a74dc2d1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-681 = "E. Australia Daylight Time"	c431388dc124d48af483b1022b251c32c89dd97afe9921481c181ba5a74dc2d1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-732 = "Fiji Standard Time"	c431388dc124d48af483b1022b251c32c89dd97afe9921481c181ba5a74dc2d1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-81 = "Atlantic Daylight Time"	c431388dc124d48af483b1022b251c32c89dd97afe9921481c181ba5a74dc2d1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-661 = "Cen. Australia Daylight Time"	c431388dc124d48af483b1022b251c32c89dd97afe9921481c181ba5a74dc2d1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-291 = "Central European Daylight Time"	c431388dc124d48af483b1022b251c32c89dd97afe9921481c181ba5a74dc2d1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-232 = "Hawaiian Standard Time"	c431388dc124d48af483b1022b251c32c89dd97afe9921481c181ba5a74dc2d1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2771 = "Omsk Daylight Time"	c431388dc124d48af483b1022b251c32c89dd97afe9921481c181ba5a74dc2d1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-215 = "Pacific Standard Time (Mexico)"	c431388dc124d48af483b1022b251c32c89dd97afe9921481c181ba5a74dc2d1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-492 = "India Standard Time"	c431388dc124d48af483b1022b251c32c89dd97afe9921481c181ba5a74dc2d1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2321 = "Sakhalin Daylight Time"	c431388dc124d48af483b1022b251c32c89dd97afe9921481c181ba5a74dc2d1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-231 = "Hawaiian Daylight Time"	c431388dc124d48af483b1022b251c32c89dd97afe9921481c181ba5a74dc2d1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-911 = "Mauritius Daylight Time"	c431388dc124d48af483b1022b251c32c89dd97afe9921481c181ba5a74dc2d1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-211 = "Pacific Daylight Time"	c431388dc124d48af483b1022b251c32c89dd97afe9921481c181ba5a74dc2d1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1912 = "Russia TZ 10 Standard Time"	c431388dc124d48af483b1022b251c32c89dd97afe9921481c181ba5a74dc2d1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-122 = "SA Pacific Standard Time"	c431388dc124d48af483b1022b251c32c89dd97afe9921481c181ba5a74dc2d1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2752 = "Tomsk Standard Time"	c431388dc124d48af483b1022b251c32c89dd97afe9921481c181ba5a74dc2d1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-462 = "Afghanistan Standard Time"	c431388dc124d48af483b1022b251c32c89dd97afe9921481c181ba5a74dc2d1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-402 = "Arabic Standard Time"	c431388dc124d48af483b1022b251c32c89dd97afe9921481c181ba5a74dc2d1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1841 = "Russia TZ 4 Daylight Time"	c431388dc124d48af483b1022b251c32c89dd97afe9921481c181ba5a74dc2d1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2631 = "Norfolk Daylight Time"	c431388dc124d48af483b1022b251c32c89dd97afe9921481c181ba5a74dc2d1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2041 = "Eastern Daylight Time (Mexico)"	c431388dc124d48af483b1022b251c32c89dd97afe9921481c181ba5a74dc2d1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-352 = "FLE Standard Time"	c431388dc124d48af483b1022b251c32c89dd97afe9921481c181ba5a74dc2d1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-52 = "Greenland Standard Time"	c431388dc124d48af483b1022b251c32c89dd97afe9921481c181ba5a74dc2d1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-872 = "Pakistan Standard Time"	c431388dc124d48af483b1022b251c32c89dd97afe9921481c181ba5a74dc2d1.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

c431388dc124d48af483b1022b251c32c89dd97afe9921481c181ba5a74dc2d1.exec431388dc124d48af483b1022b251c32c89dd97afe9921481c181ba5a74dc2d1.exeinjector.execsrss.exe

pid	process
996	c431388dc124d48af483b1022b251c32c89dd97afe9921481c181ba5a74dc2d1.exe
996	c431388dc124d48af483b1022b251c32c89dd97afe9921481c181ba5a74dc2d1.exe
4444	c431388dc124d48af483b1022b251c32c89dd97afe9921481c181ba5a74dc2d1.exe
4444	c431388dc124d48af483b1022b251c32c89dd97afe9921481c181ba5a74dc2d1.exe
4444	c431388dc124d48af483b1022b251c32c89dd97afe9921481c181ba5a74dc2d1.exe
4444	c431388dc124d48af483b1022b251c32c89dd97afe9921481c181ba5a74dc2d1.exe
4444	c431388dc124d48af483b1022b251c32c89dd97afe9921481c181ba5a74dc2d1.exe
4444	c431388dc124d48af483b1022b251c32c89dd97afe9921481c181ba5a74dc2d1.exe
4444	c431388dc124d48af483b1022b251c32c89dd97afe9921481c181ba5a74dc2d1.exe
4444	c431388dc124d48af483b1022b251c32c89dd97afe9921481c181ba5a74dc2d1.exe
4444	c431388dc124d48af483b1022b251c32c89dd97afe9921481c181ba5a74dc2d1.exe
4444	c431388dc124d48af483b1022b251c32c89dd97afe9921481c181ba5a74dc2d1.exe
380	injector.exe
380	injector.exe
380	injector.exe
380	injector.exe
380	injector.exe
380	injector.exe
2900	csrss.exe
2900	csrss.exe
380	injector.exe
380	injector.exe
380	injector.exe
380	injector.exe
380	injector.exe
380	injector.exe
2900	csrss.exe
2900	csrss.exe
380	injector.exe
380	injector.exe
380	injector.exe
380	injector.exe
380	injector.exe
380	injector.exe
380	injector.exe
380	injector.exe
380	injector.exe
380	injector.exe
380	injector.exe
380	injector.exe
380	injector.exe
380	injector.exe
380	injector.exe
380	injector.exe
380	injector.exe
380	injector.exe
380	injector.exe
380	injector.exe
380	injector.exe
380	injector.exe
380	injector.exe
380	injector.exe
380	injector.exe
380	injector.exe
380	injector.exe
380	injector.exe
380	injector.exe
380	injector.exe
380	injector.exe
380	injector.exe
380	injector.exe
380	injector.exe
380	injector.exe
380	injector.exe

Suspicious use of AdjustPrivilegeToken 17 IoCs

Processes:

c431388dc124d48af483b1022b251c32c89dd97afe9921481c181ba5a74dc2d1.exesvchost.execsrss.exe

description	pid	process
Token: SeDebugPrivilege	996	c431388dc124d48af483b1022b251c32c89dd97afe9921481c181ba5a74dc2d1.exe
Token: SeImpersonatePrivilege	996	c431388dc124d48af483b1022b251c32c89dd97afe9921481c181ba5a74dc2d1.exe
Token: SeTcbPrivilege	2976	svchost.exe
Token: SeTcbPrivilege	2976	svchost.exe
Token: SeBackupPrivilege	2976	svchost.exe
Token: SeRestorePrivilege	2976	svchost.exe
Token: SeBackupPrivilege	2976	svchost.exe
Token: SeRestorePrivilege	2976	svchost.exe
Token: SeBackupPrivilege	2976	svchost.exe
Token: SeRestorePrivilege	2976	svchost.exe
Token: SeBackupPrivilege	2976	svchost.exe
Token: SeRestorePrivilege	2976	svchost.exe
Token: SeSystemEnvironmentPrivilege	2900	csrss.exe
Token: SeBackupPrivilege	2976	svchost.exe
Token: SeRestorePrivilege	2976	svchost.exe
Token: SeBackupPrivilege	2976	svchost.exe
Token: SeRestorePrivilege	2976	svchost.exe

Suspicious use of WriteProcessMemory 18 IoCs

Processes:

svchost.exec431388dc124d48af483b1022b251c32c89dd97afe9921481c181ba5a74dc2d1.execmd.execsrss.exe

description	pid	process	target process
PID 2976 wrote to memory of 4444	2976	svchost.exe	c431388dc124d48af483b1022b251c32c89dd97afe9921481c181ba5a74dc2d1.exe
PID 2976 wrote to memory of 4444	2976	svchost.exe	c431388dc124d48af483b1022b251c32c89dd97afe9921481c181ba5a74dc2d1.exe
PID 2976 wrote to memory of 4444	2976	svchost.exe	c431388dc124d48af483b1022b251c32c89dd97afe9921481c181ba5a74dc2d1.exe
PID 4444 wrote to memory of 1012	4444	c431388dc124d48af483b1022b251c32c89dd97afe9921481c181ba5a74dc2d1.exe	cmd.exe
PID 4444 wrote to memory of 1012	4444	c431388dc124d48af483b1022b251c32c89dd97afe9921481c181ba5a74dc2d1.exe	cmd.exe
PID 1012 wrote to memory of 1276	1012	cmd.exe	netsh.exe
PID 1012 wrote to memory of 1276	1012	cmd.exe	netsh.exe
PID 4444 wrote to memory of 2900	4444	c431388dc124d48af483b1022b251c32c89dd97afe9921481c181ba5a74dc2d1.exe	csrss.exe
PID 4444 wrote to memory of 2900	4444	c431388dc124d48af483b1022b251c32c89dd97afe9921481c181ba5a74dc2d1.exe	csrss.exe
PID 4444 wrote to memory of 2900	4444	c431388dc124d48af483b1022b251c32c89dd97afe9921481c181ba5a74dc2d1.exe	csrss.exe
PID 2976 wrote to memory of 4820	2976	svchost.exe	schtasks.exe
PID 2976 wrote to memory of 4820	2976	svchost.exe	schtasks.exe
PID 2976 wrote to memory of 4944	2976	svchost.exe	schtasks.exe
PID 2976 wrote to memory of 4944	2976	svchost.exe	schtasks.exe
PID 2900 wrote to memory of 380	2900	csrss.exe	injector.exe
PID 2900 wrote to memory of 380	2900	csrss.exe	injector.exe
PID 2976 wrote to memory of 3472	2976	svchost.exe	schtasks.exe
PID 2976 wrote to memory of 3472	2976	svchost.exe	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\c431388dc124d48af483b1022b251c32c89dd97afe9921481c181ba5a74dc2d1.exe
"C:\Users\Admin\AppData\Local\Temp\c431388dc124d48af483b1022b251c32c89dd97afe9921481c181ba5a74dc2d1.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:996

C:\Users\Admin\AppData\Local\Temp\c431388dc124d48af483b1022b251c32c89dd97afe9921481c181ba5a74dc2d1.exe
"C:\Users\Admin\AppData\Local\Temp\c431388dc124d48af483b1022b251c32c89dd97afe9921481c181ba5a74dc2d1.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:4444

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:1012

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:1276

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:2900

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:4820

C:\Windows\SYSTEM32\schtasks.exe
schtasks /delete /tn ScheduledUpdate /f
4⤵
PID:4944

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:380

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:3472

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:2976

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\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
bbdfdc950ea82f62c63aac37260ae934

SHA1
383146ad79477f1f61053c7658194860df031c4e

SHA256
c431388dc124d48af483b1022b251c32c89dd97afe9921481c181ba5a74dc2d1

SHA512
fbc5d83059d91e22f54cf290d9b50a88ad00cff4f21ab60d4e925815a0fce610adf4932f85000284cc9eda12f039a2f475685ca87a383c7781db6f68fefd6848

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

MD5
bbdfdc950ea82f62c63aac37260ae934

SHA1
383146ad79477f1f61053c7658194860df031c4e

SHA256
c431388dc124d48af483b1022b251c32c89dd97afe9921481c181ba5a74dc2d1

SHA512
fbc5d83059d91e22f54cf290d9b50a88ad00cff4f21ab60d4e925815a0fce610adf4932f85000284cc9eda12f039a2f475685ca87a383c7781db6f68fefd6848

Download Submit
memory/380-149-0x0000000000000000-mapping.dmp

Download
memory/996-133-0x0000000002F30000-0x00000000037A7000-memory.dmp

Filesize
8.5MB

Download
memory/996-134-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/996-136-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/996-132-0x0000000002B45000-0x0000000002F2E000-memory.dmp

Filesize
3.9MB

Download
memory/1012-137-0x0000000000000000-mapping.dmp

Download
memory/1276-139-0x0000000000000000-mapping.dmp

Download
memory/2900-141-0x0000000000000000-mapping.dmp

Download
memory/2900-147-0x0000000002E00000-0x00000000031E9000-memory.dmp

Filesize
3.9MB

Download
memory/2900-148-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/2900-153-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/3472-152-0x0000000000000000-mapping.dmp

Download
memory/4444-140-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/4444-144-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/4444-138-0x00000000027CC000-0x0000000002BB5000-memory.dmp

Filesize
3.9MB

Download
memory/4444-135-0x0000000000000000-mapping.dmp

Download
memory/4820-145-0x0000000000000000-mapping.dmp

Download
memory/4944-146-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads