glupteba | 38290c8781ba0dbfb2dafe53157ba533f5b0f095e016ba9aab9422cea8ee3d0d

General

Target

38290c8781ba0dbfb2dafe53157ba533f5b0f095e016ba9aab9422cea8ee3d0d.exe
Size

4.1MB
MD5

2615281f81d30ae643de9e87b4a06936
SHA1

7289561d3a8ce218479217794ab2a5cd0389d7de
SHA256

38290c8781ba0dbfb2dafe53157ba533f5b0f095e016ba9aab9422cea8ee3d0d
SHA512

192d5c219f2649c521c818dc25bc0e90312d6a152106e36bfdf595a096cfc808b97ef4947afa21bf4d15f7de1ee5007ac3de6af39d5e0e624e371ce27a1a47b9
SSDEEP

98304:6AZs8Is3Ux2NclzGImsasArZdP5jvcsL4HZWx/5pqT/8:Z6sjNclzGImsasAddPZ1O+r

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 3256 created 4584	3256	svchost.exe	38290c8781ba0dbfb2dafe53157ba533f5b0f095e016ba9aab9422cea8ee3d0d.exe
PID 3256 created 636	3256	svchost.exe	csrss.exe
PID 3256 created 636	3256	svchost.exe	csrss.exe
PID 3256 created 636	3256	svchost.exe	csrss.exe
PID 3256 created 5068	3256	svchost.exe	f801950a962ddba14caaa44bf084b55c.exe
PID 3256 created 5068	3256	svchost.exe	f801950a962ddba14caaa44bf084b55c.exe

Executes dropped EXE 3 IoCs

Processes:

csrss.exeinjector.exef801950a962ddba14caaa44bf084b55c.exe

pid process

636 csrss.exe
4272 injector.exe
5068 f801950a962ddba14caaa44bf084b55c.exe
Modifies Windows Firewall 1 TTPs 1 IoCs
evasion

Modify Existing Service
T1031

Processes:

netsh.exe

pid process

2436 netsh.exe

pid	process
636	csrss.exe
4272	injector.exe
5068	f801950a962ddba14caaa44bf084b55c.exe

pid	process
2436	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/5068-157-0x0000000000400000-0x0000000000C25000-memory.dmp	upx
behavioral1/memory/5068-161-0x0000000000400000-0x0000000000C25000-memory.dmp	upx
behavioral1/memory/5068-163-0x0000000000400000-0x0000000000C25000-memory.dmp	upx

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

38290c8781ba0dbfb2dafe53157ba533f5b0f095e016ba9aab9422cea8ee3d0d.execsrss.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\""	38290c8781ba0dbfb2dafe53157ba533f5b0f095e016ba9aab9422cea8ee3d0d.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\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:

38290c8781ba0dbfb2dafe53157ba533f5b0f095e016ba9aab9422cea8ee3d0d.exe

description	ioc	process
File opened for modification	C:\Windows\rss	38290c8781ba0dbfb2dafe53157ba533f5b0f095e016ba9aab9422cea8ee3d0d.exe
File created	C:\Windows\rss\csrss.exe	38290c8781ba0dbfb2dafe53157ba533f5b0f095e016ba9aab9422cea8ee3d0d.exe

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

4152 688 WerFault.exe 38290c8781ba0dbfb2dafe53157ba533f5b0f095e016ba9aab9422cea8ee3d0d.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

1076 schtasks.exe
312 schtasks.exe

pid	pid_target	process	target process
4152	688	WerFault.exe	38290c8781ba0dbfb2dafe53157ba533f5b0f095e016ba9aab9422cea8ee3d0d.exe

pid	process
1076	schtasks.exe
312	schtasks.exe

Modifies data under HKEY_USERS 64 IoCs

Processes:

38290c8781ba0dbfb2dafe53157ba533f5b0f095e016ba9aab9422cea8ee3d0d.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-334 = "Jordan Daylight Time"	38290c8781ba0dbfb2dafe53157ba533f5b0f095e016ba9aab9422cea8ee3d0d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-531 = "Sri Lanka Daylight Time"	38290c8781ba0dbfb2dafe53157ba533f5b0f095e016ba9aab9422cea8ee3d0d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2141 = "Transbaikal Daylight Time"	38290c8781ba0dbfb2dafe53157ba533f5b0f095e016ba9aab9422cea8ee3d0d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-401 = "Arabic Daylight Time"	38290c8781ba0dbfb2dafe53157ba533f5b0f095e016ba9aab9422cea8ee3d0d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-72 = "Newfoundland Standard Time"	38290c8781ba0dbfb2dafe53157ba533f5b0f095e016ba9aab9422cea8ee3d0d.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"	38290c8781ba0dbfb2dafe53157ba533f5b0f095e016ba9aab9422cea8ee3d0d.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"	38290c8781ba0dbfb2dafe53157ba533f5b0f095e016ba9aab9422cea8ee3d0d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-892 = "Morocco Standard Time"	38290c8781ba0dbfb2dafe53157ba533f5b0f095e016ba9aab9422cea8ee3d0d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-211 = "Pacific Daylight Time"	38290c8781ba0dbfb2dafe53157ba533f5b0f095e016ba9aab9422cea8ee3d0d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-222 = "Alaskan Standard Time"	38290c8781ba0dbfb2dafe53157ba533f5b0f095e016ba9aab9422cea8ee3d0d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-651 = "AUS Central Daylight Time"	38290c8781ba0dbfb2dafe53157ba533f5b0f095e016ba9aab9422cea8ee3d0d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-282 = "Central Europe Standard Time"	38290c8781ba0dbfb2dafe53157ba533f5b0f095e016ba9aab9422cea8ee3d0d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2872 = "Magallanes Standard Time"	38290c8781ba0dbfb2dafe53157ba533f5b0f095e016ba9aab9422cea8ee3d0d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-402 = "Arabic Standard Time"	38290c8781ba0dbfb2dafe53157ba533f5b0f095e016ba9aab9422cea8ee3d0d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-361 = "GTB Daylight Time"	38290c8781ba0dbfb2dafe53157ba533f5b0f095e016ba9aab9422cea8ee3d0d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2511 = "Lord Howe Daylight Time"	38290c8781ba0dbfb2dafe53157ba533f5b0f095e016ba9aab9422cea8ee3d0d.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"	38290c8781ba0dbfb2dafe53157ba533f5b0f095e016ba9aab9422cea8ee3d0d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-931 = "Coordinated Universal Time"	38290c8781ba0dbfb2dafe53157ba533f5b0f095e016ba9aab9422cea8ee3d0d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-682 = "E. Australia Standard Time"	38290c8781ba0dbfb2dafe53157ba533f5b0f095e016ba9aab9422cea8ee3d0d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-541 = "Myanmar Daylight Time"	38290c8781ba0dbfb2dafe53157ba533f5b0f095e016ba9aab9422cea8ee3d0d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-122 = "SA Pacific Standard Time"	38290c8781ba0dbfb2dafe53157ba533f5b0f095e016ba9aab9422cea8ee3d0d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-241 = "Samoa Daylight Time"	38290c8781ba0dbfb2dafe53157ba533f5b0f095e016ba9aab9422cea8ee3d0d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2161 = "Altai Daylight Time"	38290c8781ba0dbfb2dafe53157ba533f5b0f095e016ba9aab9422cea8ee3d0d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-271 = "Greenwich Daylight Time"	38290c8781ba0dbfb2dafe53157ba533f5b0f095e016ba9aab9422cea8ee3d0d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-214 = "Pacific Daylight Time (Mexico)"	38290c8781ba0dbfb2dafe53157ba533f5b0f095e016ba9aab9422cea8ee3d0d.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"	38290c8781ba0dbfb2dafe53157ba533f5b0f095e016ba9aab9422cea8ee3d0d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1972 = "Belarus Standard Time"	38290c8781ba0dbfb2dafe53157ba533f5b0f095e016ba9aab9422cea8ee3d0d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-572 = "China Standard Time"	38290c8781ba0dbfb2dafe53157ba533f5b0f095e016ba9aab9422cea8ee3d0d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-262 = "GMT Standard Time"	38290c8781ba0dbfb2dafe53157ba533f5b0f095e016ba9aab9422cea8ee3d0d.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"	38290c8781ba0dbfb2dafe53157ba533f5b0f095e016ba9aab9422cea8ee3d0d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-841 = "Argentina Daylight Time"	38290c8781ba0dbfb2dafe53157ba533f5b0f095e016ba9aab9422cea8ee3d0d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-662 = "Cen. Australia Standard Time"	38290c8781ba0dbfb2dafe53157ba533f5b0f095e016ba9aab9422cea8ee3d0d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2942 = "Sao Tome Standard Time"	38290c8781ba0dbfb2dafe53157ba533f5b0f095e016ba9aab9422cea8ee3d0d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2892 = "Sudan Standard Time"	38290c8781ba0dbfb2dafe53157ba533f5b0f095e016ba9aab9422cea8ee3d0d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2041 = "Eastern Daylight Time (Mexico)"	38290c8781ba0dbfb2dafe53157ba533f5b0f095e016ba9aab9422cea8ee3d0d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-741 = "New Zealand Daylight Time"	38290c8781ba0dbfb2dafe53157ba533f5b0f095e016ba9aab9422cea8ee3d0d.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"	38290c8781ba0dbfb2dafe53157ba533f5b0f095e016ba9aab9422cea8ee3d0d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-791 = "SA Western Daylight Time"	38290c8781ba0dbfb2dafe53157ba533f5b0f095e016ba9aab9422cea8ee3d0d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-691 = "Tasmania Daylight Time"	38290c8781ba0dbfb2dafe53157ba533f5b0f095e016ba9aab9422cea8ee3d0d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-732 = "Fiji Standard Time"	38290c8781ba0dbfb2dafe53157ba533f5b0f095e016ba9aab9422cea8ee3d0d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-982 = "Kamchatka Standard Time"	38290c8781ba0dbfb2dafe53157ba533f5b0f095e016ba9aab9422cea8ee3d0d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2412 = "Marquesas Standard Time"	38290c8781ba0dbfb2dafe53157ba533f5b0f095e016ba9aab9422cea8ee3d0d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-301 = "Romance Daylight Time"	38290c8781ba0dbfb2dafe53157ba533f5b0f095e016ba9aab9422cea8ee3d0d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-131 = "US Eastern Daylight Time"	38290c8781ba0dbfb2dafe53157ba533f5b0f095e016ba9aab9422cea8ee3d0d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-82 = "Atlantic Standard Time"	38290c8781ba0dbfb2dafe53157ba533f5b0f095e016ba9aab9422cea8ee3d0d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2791 = "Novosibirsk Daylight Time"	38290c8781ba0dbfb2dafe53157ba533f5b0f095e016ba9aab9422cea8ee3d0d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-92 = "Pacific SA Standard Time"	38290c8781ba0dbfb2dafe53157ba533f5b0f095e016ba9aab9422cea8ee3d0d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2321 = "Sakhalin Daylight Time"	38290c8781ba0dbfb2dafe53157ba533f5b0f095e016ba9aab9422cea8ee3d0d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-391 = "Arab Daylight Time"	38290c8781ba0dbfb2dafe53157ba533f5b0f095e016ba9aab9422cea8ee3d0d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2512 = "Lord Howe Standard Time"	38290c8781ba0dbfb2dafe53157ba533f5b0f095e016ba9aab9422cea8ee3d0d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-542 = "Myanmar Standard Time"	38290c8781ba0dbfb2dafe53157ba533f5b0f095e016ba9aab9422cea8ee3d0d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2751 = "Tomsk Daylight Time"	38290c8781ba0dbfb2dafe53157ba533f5b0f095e016ba9aab9422cea8ee3d0d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-452 = "Caucasus Standard Time"	38290c8781ba0dbfb2dafe53157ba533f5b0f095e016ba9aab9422cea8ee3d0d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1411 = "Syria Daylight Time"	38290c8781ba0dbfb2dafe53157ba533f5b0f095e016ba9aab9422cea8ee3d0d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1041 = "Ulaanbaatar Daylight Time"	38290c8781ba0dbfb2dafe53157ba533f5b0f095e016ba9aab9422cea8ee3d0d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-142 = "Canada Central Standard Time"	38290c8781ba0dbfb2dafe53157ba533f5b0f095e016ba9aab9422cea8ee3d0d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2371 = "Easter Island Daylight Time"	38290c8781ba0dbfb2dafe53157ba533f5b0f095e016ba9aab9422cea8ee3d0d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-261 = "GMT Daylight Time"	38290c8781ba0dbfb2dafe53157ba533f5b0f095e016ba9aab9422cea8ee3d0d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-51 = "Greenland Daylight Time"	38290c8781ba0dbfb2dafe53157ba533f5b0f095e016ba9aab9422cea8ee3d0d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-442 = "Arabian Standard Time"	38290c8781ba0dbfb2dafe53157ba533f5b0f095e016ba9aab9422cea8ee3d0d.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"	38290c8781ba0dbfb2dafe53157ba533f5b0f095e016ba9aab9422cea8ee3d0d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-335 = "Jordan Standard Time"	38290c8781ba0dbfb2dafe53157ba533f5b0f095e016ba9aab9422cea8ee3d0d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2181 = "Astrakhan Daylight Time"	38290c8781ba0dbfb2dafe53157ba533f5b0f095e016ba9aab9422cea8ee3d0d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2532 = "Chatham Islands Standard Time"	38290c8781ba0dbfb2dafe53157ba533f5b0f095e016ba9aab9422cea8ee3d0d.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

38290c8781ba0dbfb2dafe53157ba533f5b0f095e016ba9aab9422cea8ee3d0d.exe38290c8781ba0dbfb2dafe53157ba533f5b0f095e016ba9aab9422cea8ee3d0d.exeinjector.execsrss.exe

pid	process
4584	38290c8781ba0dbfb2dafe53157ba533f5b0f095e016ba9aab9422cea8ee3d0d.exe
4584	38290c8781ba0dbfb2dafe53157ba533f5b0f095e016ba9aab9422cea8ee3d0d.exe
688	38290c8781ba0dbfb2dafe53157ba533f5b0f095e016ba9aab9422cea8ee3d0d.exe
688	38290c8781ba0dbfb2dafe53157ba533f5b0f095e016ba9aab9422cea8ee3d0d.exe
688	38290c8781ba0dbfb2dafe53157ba533f5b0f095e016ba9aab9422cea8ee3d0d.exe
688	38290c8781ba0dbfb2dafe53157ba533f5b0f095e016ba9aab9422cea8ee3d0d.exe
688	38290c8781ba0dbfb2dafe53157ba533f5b0f095e016ba9aab9422cea8ee3d0d.exe
688	38290c8781ba0dbfb2dafe53157ba533f5b0f095e016ba9aab9422cea8ee3d0d.exe
688	38290c8781ba0dbfb2dafe53157ba533f5b0f095e016ba9aab9422cea8ee3d0d.exe
688	38290c8781ba0dbfb2dafe53157ba533f5b0f095e016ba9aab9422cea8ee3d0d.exe
688	38290c8781ba0dbfb2dafe53157ba533f5b0f095e016ba9aab9422cea8ee3d0d.exe
688	38290c8781ba0dbfb2dafe53157ba533f5b0f095e016ba9aab9422cea8ee3d0d.exe
4272	injector.exe
4272	injector.exe
4272	injector.exe
4272	injector.exe
4272	injector.exe
4272	injector.exe
636	csrss.exe
636	csrss.exe
4272	injector.exe
4272	injector.exe
4272	injector.exe
4272	injector.exe
4272	injector.exe
4272	injector.exe
636	csrss.exe
636	csrss.exe
4272	injector.exe
4272	injector.exe
4272	injector.exe
4272	injector.exe
4272	injector.exe
4272	injector.exe
4272	injector.exe
4272	injector.exe
4272	injector.exe
4272	injector.exe
4272	injector.exe
4272	injector.exe
4272	injector.exe
4272	injector.exe
4272	injector.exe
4272	injector.exe
4272	injector.exe
4272	injector.exe
4272	injector.exe
4272	injector.exe
4272	injector.exe
4272	injector.exe
4272	injector.exe
4272	injector.exe
4272	injector.exe
4272	injector.exe
4272	injector.exe
4272	injector.exe
4272	injector.exe
4272	injector.exe
4272	injector.exe
4272	injector.exe
4272	injector.exe
4272	injector.exe
4272	injector.exe
4272	injector.exe

Suspicious use of AdjustPrivilegeToken 25 IoCs

Processes:

38290c8781ba0dbfb2dafe53157ba533f5b0f095e016ba9aab9422cea8ee3d0d.exesvchost.execsrss.exe

description	pid	process
Token: SeDebugPrivilege	4584	38290c8781ba0dbfb2dafe53157ba533f5b0f095e016ba9aab9422cea8ee3d0d.exe
Token: SeImpersonatePrivilege	4584	38290c8781ba0dbfb2dafe53157ba533f5b0f095e016ba9aab9422cea8ee3d0d.exe
Token: SeTcbPrivilege	3256	svchost.exe
Token: SeTcbPrivilege	3256	svchost.exe
Token: SeBackupPrivilege	3256	svchost.exe
Token: SeRestorePrivilege	3256	svchost.exe
Token: SeBackupPrivilege	3256	svchost.exe
Token: SeRestorePrivilege	3256	svchost.exe
Token: SeBackupPrivilege	3256	svchost.exe
Token: SeRestorePrivilege	3256	svchost.exe
Token: SeBackupPrivilege	3256	svchost.exe
Token: SeRestorePrivilege	3256	svchost.exe
Token: SeSystemEnvironmentPrivilege	636	csrss.exe
Token: SeBackupPrivilege	3256	svchost.exe
Token: SeRestorePrivilege	3256	svchost.exe
Token: SeBackupPrivilege	3256	svchost.exe
Token: SeRestorePrivilege	3256	svchost.exe
Token: SeBackupPrivilege	3256	svchost.exe
Token: SeRestorePrivilege	3256	svchost.exe
Token: SeBackupPrivilege	3256	svchost.exe
Token: SeRestorePrivilege	3256	svchost.exe
Token: SeBackupPrivilege	3256	svchost.exe
Token: SeRestorePrivilege	3256	svchost.exe
Token: SeBackupPrivilege	3256	svchost.exe
Token: SeRestorePrivilege	3256	svchost.exe

Suspicious use of WriteProcessMemory 25 IoCs

Processes:

svchost.exe38290c8781ba0dbfb2dafe53157ba533f5b0f095e016ba9aab9422cea8ee3d0d.execmd.execsrss.exe

description	pid	process	target process
PID 3256 wrote to memory of 688	3256	svchost.exe	38290c8781ba0dbfb2dafe53157ba533f5b0f095e016ba9aab9422cea8ee3d0d.exe
PID 3256 wrote to memory of 688	3256	svchost.exe	38290c8781ba0dbfb2dafe53157ba533f5b0f095e016ba9aab9422cea8ee3d0d.exe
PID 3256 wrote to memory of 688	3256	svchost.exe	38290c8781ba0dbfb2dafe53157ba533f5b0f095e016ba9aab9422cea8ee3d0d.exe
PID 688 wrote to memory of 4256	688	38290c8781ba0dbfb2dafe53157ba533f5b0f095e016ba9aab9422cea8ee3d0d.exe	cmd.exe
PID 688 wrote to memory of 4256	688	38290c8781ba0dbfb2dafe53157ba533f5b0f095e016ba9aab9422cea8ee3d0d.exe	cmd.exe
PID 4256 wrote to memory of 2436	4256	cmd.exe	netsh.exe
PID 4256 wrote to memory of 2436	4256	cmd.exe	netsh.exe
PID 688 wrote to memory of 636	688	38290c8781ba0dbfb2dafe53157ba533f5b0f095e016ba9aab9422cea8ee3d0d.exe	csrss.exe
PID 688 wrote to memory of 636	688	38290c8781ba0dbfb2dafe53157ba533f5b0f095e016ba9aab9422cea8ee3d0d.exe	csrss.exe
PID 688 wrote to memory of 636	688	38290c8781ba0dbfb2dafe53157ba533f5b0f095e016ba9aab9422cea8ee3d0d.exe	csrss.exe
PID 3256 wrote to memory of 1076	3256	svchost.exe	schtasks.exe
PID 3256 wrote to memory of 1076	3256	svchost.exe	schtasks.exe
PID 3256 wrote to memory of 4052	3256	svchost.exe	schtasks.exe
PID 3256 wrote to memory of 4052	3256	svchost.exe	schtasks.exe
PID 636 wrote to memory of 4272	636	csrss.exe	injector.exe
PID 636 wrote to memory of 4272	636	csrss.exe	injector.exe
PID 3256 wrote to memory of 312	3256	svchost.exe	schtasks.exe
PID 3256 wrote to memory of 312	3256	svchost.exe	schtasks.exe
PID 636 wrote to memory of 5068	636	csrss.exe	f801950a962ddba14caaa44bf084b55c.exe
PID 636 wrote to memory of 5068	636	csrss.exe	f801950a962ddba14caaa44bf084b55c.exe
PID 636 wrote to memory of 5068	636	csrss.exe	f801950a962ddba14caaa44bf084b55c.exe
PID 3256 wrote to memory of 992	3256	svchost.exe	schtasks.exe
PID 3256 wrote to memory of 992	3256	svchost.exe	schtasks.exe
PID 3256 wrote to memory of 3536	3256	svchost.exe	schtasks.exe
PID 3256 wrote to memory of 3536	3256	svchost.exe	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\38290c8781ba0dbfb2dafe53157ba533f5b0f095e016ba9aab9422cea8ee3d0d.exe
"C:\Users\Admin\AppData\Local\Temp\38290c8781ba0dbfb2dafe53157ba533f5b0f095e016ba9aab9422cea8ee3d0d.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4584

C:\Users\Admin\AppData\Local\Temp\38290c8781ba0dbfb2dafe53157ba533f5b0f095e016ba9aab9422cea8ee3d0d.exe
"C:\Users\Admin\AppData\Local\Temp\38290c8781ba0dbfb2dafe53157ba533f5b0f095e016ba9aab9422cea8ee3d0d.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:688

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:4256

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:2436

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:636

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:1076

C:\Windows\SYSTEM32\schtasks.exe
schtasks /delete /tn ScheduledUpdate /f
4⤵
PID:4052

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:4272

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:312

C:\Users\Admin\AppData\Local\Temp\csrss\f801950a962ddba14caaa44bf084b55c.exe
C:\Users\Admin\AppData\Local\Temp\csrss\f801950a962ddba14caaa44bf084b55c.exe
4⤵
- Executes dropped EXE
PID:5068

C:\Windows\SYSTEM32\schtasks.exe
schtasks /delete /tn "csrss" /f
5⤵
PID:992

C:\Windows\SYSTEM32\schtasks.exe
schtasks /delete /tn "ScheduledUpdate" /f
5⤵
PID:3536

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 688 -s 628
3⤵
- Program crash
PID:4152

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:3256

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 688 -ip 688
1⤵
PID:4496

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
2615281f81d30ae643de9e87b4a06936

SHA1
7289561d3a8ce218479217794ab2a5cd0389d7de

SHA256
38290c8781ba0dbfb2dafe53157ba533f5b0f095e016ba9aab9422cea8ee3d0d

SHA512
192d5c219f2649c521c818dc25bc0e90312d6a152106e36bfdf595a096cfc808b97ef4947afa21bf4d15f7de1ee5007ac3de6af39d5e0e624e371ce27a1a47b9

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

MD5
2615281f81d30ae643de9e87b4a06936

SHA1
7289561d3a8ce218479217794ab2a5cd0389d7de

SHA256
38290c8781ba0dbfb2dafe53157ba533f5b0f095e016ba9aab9422cea8ee3d0d

SHA512
192d5c219f2649c521c818dc25bc0e90312d6a152106e36bfdf595a096cfc808b97ef4947afa21bf4d15f7de1ee5007ac3de6af39d5e0e624e371ce27a1a47b9

Download Submit
memory/312-152-0x0000000000000000-mapping.dmp

Download
memory/636-148-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/636-147-0x0000000002E00000-0x00000000031E9000-memory.dmp

Filesize
3.9MB

Download
memory/636-153-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/636-158-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/636-141-0x0000000000000000-mapping.dmp

Download
memory/688-144-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/688-138-0x000000000283A000-0x0000000002C23000-memory.dmp

Filesize
3.9MB

Download
memory/688-135-0x0000000000000000-mapping.dmp

Download
memory/688-140-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/992-159-0x0000000000000000-mapping.dmp

Download
memory/1076-145-0x0000000000000000-mapping.dmp

Download
memory/2436-139-0x0000000000000000-mapping.dmp

Download
memory/3536-160-0x0000000000000000-mapping.dmp

Download
memory/4052-146-0x0000000000000000-mapping.dmp

Download
memory/4256-137-0x0000000000000000-mapping.dmp

Download
memory/4272-149-0x0000000000000000-mapping.dmp

Download
memory/4584-134-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/4584-136-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/4584-132-0x0000000002BCB000-0x0000000002FB4000-memory.dmp

Filesize
3.9MB

Download
memory/4584-133-0x0000000002FC0000-0x0000000003837000-memory.dmp

Filesize
8.5MB

Download
memory/5068-154-0x0000000000000000-mapping.dmp

Download
memory/5068-157-0x0000000000400000-0x0000000000C25000-memory.dmp

Filesize
8.1MB

Download
memory/5068-161-0x0000000000400000-0x0000000000C25000-memory.dmp

Filesize
8.1MB

Download
memory/5068-163-0x0000000000400000-0x0000000000C25000-memory.dmp

Filesize
8.1MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

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Downloads