glupteba | 86aa504f79df7ba09776fe1072e4b1672fa4b23988a88c9c3d311cb53d0b9f9b

General

Target

86aa504f79df7ba09776fe1072e4b1672fa4b23988a88c9c3d311cb53d0b9f9b.exe
Size

4.1MB
MD5

4daa42a8bc4923fccf4be699d6870027
SHA1

acb0a305bd2959bda4fcde7dfb389d248e291115
SHA256

86aa504f79df7ba09776fe1072e4b1672fa4b23988a88c9c3d311cb53d0b9f9b
SHA512

b90131f310bc6dea7a5a4cdcf2550c0b7860b1463066ea28df2b2c8aab187d0bf1a0d6f65f4b52687caf0289fa597a1828ebdd64bcfb9ea475d0d3a8dc48d9ee
SSDEEP

98304:T0y0T34jPqe76AqYiv3nwU59HFBsbXEX7+AZCZV6PW66E:YD32XE3dJFqbXoCD6P3

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 2444 created 1100	2444	svchost.exe	86aa504f79df7ba09776fe1072e4b1672fa4b23988a88c9c3d311cb53d0b9f9b.exe
PID 2444 created 4992	2444	svchost.exe	csrss.exe
PID 2444 created 4992	2444	svchost.exe	csrss.exe
PID 2444 created 4992	2444	svchost.exe	csrss.exe
PID 2444 created 3652	2444	svchost.exe	f801950a962ddba14caaa44bf084b55c.exe
PID 2444 created 3652	2444	svchost.exe	f801950a962ddba14caaa44bf084b55c.exe

Executes dropped EXE 3 IoCs

Processes:

csrss.exeinjector.exef801950a962ddba14caaa44bf084b55c.exe

pid process

4992 csrss.exe
4444 injector.exe
3652 f801950a962ddba14caaa44bf084b55c.exe
Modifies Windows Firewall 1 TTPs 1 IoCs
evasion

Modify Existing Service
T1031

Processes:

netsh.exe

pid process

4344 netsh.exe

pid	process
4992	csrss.exe
4444	injector.exe
3652	f801950a962ddba14caaa44bf084b55c.exe

pid	process
4344	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/3652-157-0x0000000000400000-0x0000000000C25000-memory.dmp	upx
behavioral1/memory/3652-161-0x0000000000400000-0x0000000000C25000-memory.dmp	upx
behavioral1/memory/3652-163-0x0000000000400000-0x0000000000C25000-memory.dmp	upx

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

86aa504f79df7ba09776fe1072e4b1672fa4b23988a88c9c3d311cb53d0b9f9b.execsrss.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\""	86aa504f79df7ba09776fe1072e4b1672fa4b23988a88c9c3d311cb53d0b9f9b.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\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:

86aa504f79df7ba09776fe1072e4b1672fa4b23988a88c9c3d311cb53d0b9f9b.exe

description	ioc	process
File opened for modification	C:\Windows\rss	86aa504f79df7ba09776fe1072e4b1672fa4b23988a88c9c3d311cb53d0b9f9b.exe
File created	C:\Windows\rss\csrss.exe	86aa504f79df7ba09776fe1072e4b1672fa4b23988a88c9c3d311cb53d0b9f9b.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

1512 schtasks.exe
3772 schtasks.exe

pid	process
1512	schtasks.exe
3772	schtasks.exe

Modifies data under HKEY_USERS 64 IoCs

Processes:

86aa504f79df7ba09776fe1072e4b1672fa4b23988a88c9c3d311cb53d0b9f9b.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-214 = "Pacific Daylight Time (Mexico)"	86aa504f79df7ba09776fe1072e4b1672fa4b23988a88c9c3d311cb53d0b9f9b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2941 = "Sao Tome Daylight Time"	86aa504f79df7ba09776fe1072e4b1672fa4b23988a88c9c3d311cb53d0b9f9b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-561 = "SE Asia Daylight Time"	86aa504f79df7ba09776fe1072e4b1672fa4b23988a88c9c3d311cb53d0b9f9b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2142 = "Transbaikal Standard Time"	86aa504f79df7ba09776fe1072e4b1672fa4b23988a88c9c3d311cb53d0b9f9b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-448 = "Azerbaijan Daylight Time"	86aa504f79df7ba09776fe1072e4b1672fa4b23988a88c9c3d311cb53d0b9f9b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1662 = "Bahia Standard Time"	86aa504f79df7ba09776fe1072e4b1672fa4b23988a88c9c3d311cb53d0b9f9b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2062 = "North Korea Standard Time"	86aa504f79df7ba09776fe1072e4b1672fa4b23988a88c9c3d311cb53d0b9f9b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2752 = "Tomsk Standard Time"	86aa504f79df7ba09776fe1072e4b1672fa4b23988a88c9c3d311cb53d0b9f9b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-411 = "E. Africa Daylight Time"	86aa504f79df7ba09776fe1072e4b1672fa4b23988a88c9c3d311cb53d0b9f9b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-192 = "Mountain Standard Time"	86aa504f79df7ba09776fe1072e4b1672fa4b23988a88c9c3d311cb53d0b9f9b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-772 = "Montevideo Standard Time"	86aa504f79df7ba09776fe1072e4b1672fa4b23988a88c9c3d311cb53d0b9f9b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-351 = "FLE Daylight Time"	86aa504f79df7ba09776fe1072e4b1672fa4b23988a88c9c3d311cb53d0b9f9b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2871 = "Magallanes Daylight Time"	86aa504f79df7ba09776fe1072e4b1672fa4b23988a88c9c3d311cb53d0b9f9b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-222 = "Alaskan Standard Time"	86aa504f79df7ba09776fe1072e4b1672fa4b23988a88c9c3d311cb53d0b9f9b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1831 = "Russia TZ 2 Daylight Time"	86aa504f79df7ba09776fe1072e4b1672fa4b23988a88c9c3d311cb53d0b9f9b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1801 = "Line Islands Daylight Time"	86aa504f79df7ba09776fe1072e4b1672fa4b23988a88c9c3d311cb53d0b9f9b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2061 = "North Korea Daylight Time"	86aa504f79df7ba09776fe1072e4b1672fa4b23988a88c9c3d311cb53d0b9f9b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2842 = "Saratov Standard Time"	86aa504f79df7ba09776fe1072e4b1672fa4b23988a88c9c3d311cb53d0b9f9b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2891 = "Sudan Daylight Time"	86aa504f79df7ba09776fe1072e4b1672fa4b23988a88c9c3d311cb53d0b9f9b.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"	86aa504f79df7ba09776fe1072e4b1672fa4b23988a88c9c3d311cb53d0b9f9b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2611 = "Bougainville Daylight Time"	86aa504f79df7ba09776fe1072e4b1672fa4b23988a88c9c3d311cb53d0b9f9b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-412 = "E. Africa Standard Time"	86aa504f79df7ba09776fe1072e4b1672fa4b23988a88c9c3d311cb53d0b9f9b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-181 = "Mountain Daylight Time (Mexico)"	86aa504f79df7ba09776fe1072e4b1672fa4b23988a88c9c3d311cb53d0b9f9b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2772 = "Omsk Standard Time"	86aa504f79df7ba09776fe1072e4b1672fa4b23988a88c9c3d311cb53d0b9f9b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2322 = "Sakhalin Standard Time"	86aa504f79df7ba09776fe1072e4b1672fa4b23988a88c9c3d311cb53d0b9f9b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-692 = "Tasmania Standard Time"	86aa504f79df7ba09776fe1072e4b1672fa4b23988a88c9c3d311cb53d0b9f9b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1502 = "Turkey Standard Time"	86aa504f79df7ba09776fe1072e4b1672fa4b23988a88c9c3d311cb53d0b9f9b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-434 = "Georgian Daylight Time"	86aa504f79df7ba09776fe1072e4b1672fa4b23988a88c9c3d311cb53d0b9f9b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2412 = "Marquesas Standard Time"	86aa504f79df7ba09776fe1072e4b1672fa4b23988a88c9c3d311cb53d0b9f9b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-31 = "Mid-Atlantic Daylight Time"	86aa504f79df7ba09776fe1072e4b1672fa4b23988a88c9c3d311cb53d0b9f9b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-231 = "Hawaiian Daylight Time"	86aa504f79df7ba09776fe1072e4b1672fa4b23988a88c9c3d311cb53d0b9f9b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-211 = "Pacific Daylight Time"	86aa504f79df7ba09776fe1072e4b1672fa4b23988a88c9c3d311cb53d0b9f9b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2612 = "Bougainville Standard Time"	86aa504f79df7ba09776fe1072e4b1672fa4b23988a88c9c3d311cb53d0b9f9b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-341 = "Egypt Daylight Time"	86aa504f79df7ba09776fe1072e4b1672fa4b23988a88c9c3d311cb53d0b9f9b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-742 = "New Zealand Standard Time"	86aa504f79df7ba09776fe1072e4b1672fa4b23988a88c9c3d311cb53d0b9f9b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-592 = "Malay Peninsula Standard Time"	86aa504f79df7ba09776fe1072e4b1672fa4b23988a88c9c3d311cb53d0b9f9b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-722 = "Central Pacific Standard Time"	86aa504f79df7ba09776fe1072e4b1672fa4b23988a88c9c3d311cb53d0b9f9b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-182 = "Mountain Standard Time (Mexico)"	86aa504f79df7ba09776fe1072e4b1672fa4b23988a88c9c3d311cb53d0b9f9b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-621 = "Korea Daylight Time"	86aa504f79df7ba09776fe1072e4b1672fa4b23988a88c9c3d311cb53d0b9f9b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1932 = "Russia TZ 11 Standard Time"	86aa504f79df7ba09776fe1072e4b1672fa4b23988a88c9c3d311cb53d0b9f9b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2591 = "Tocantins Daylight Time"	86aa504f79df7ba09776fe1072e4b1672fa4b23988a88c9c3d311cb53d0b9f9b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-651 = "AUS Central Daylight Time"	86aa504f79df7ba09776fe1072e4b1672fa4b23988a88c9c3d311cb53d0b9f9b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-52 = "Greenland Standard Time"	86aa504f79df7ba09776fe1072e4b1672fa4b23988a88c9c3d311cb53d0b9f9b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-82 = "Atlantic Standard Time"	86aa504f79df7ba09776fe1072e4b1672fa4b23988a88c9c3d311cb53d0b9f9b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-72 = "Newfoundland Standard Time"	86aa504f79df7ba09776fe1072e4b1672fa4b23988a88c9c3d311cb53d0b9f9b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1042 = "Ulaanbaatar Standard Time"	86aa504f79df7ba09776fe1072e4b1672fa4b23988a88c9c3d311cb53d0b9f9b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1041 = "Ulaanbaatar Daylight Time"	86aa504f79df7ba09776fe1072e4b1672fa4b23988a88c9c3d311cb53d0b9f9b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-462 = "Afghanistan Standard Time"	86aa504f79df7ba09776fe1072e4b1672fa4b23988a88c9c3d311cb53d0b9f9b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-441 = "Arabian Daylight Time"	86aa504f79df7ba09776fe1072e4b1672fa4b23988a88c9c3d311cb53d0b9f9b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-562 = "SE Asia Standard Time"	86aa504f79df7ba09776fe1072e4b1672fa4b23988a88c9c3d311cb53d0b9f9b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2001 = "Cabo Verde Daylight Time"	86aa504f79df7ba09776fe1072e4b1672fa4b23988a88c9c3d311cb53d0b9f9b.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"	86aa504f79df7ba09776fe1072e4b1672fa4b23988a88c9c3d311cb53d0b9f9b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-142 = "Canada Central Standard Time"	86aa504f79df7ba09776fe1072e4b1672fa4b23988a88c9c3d311cb53d0b9f9b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-661 = "Cen. Australia Daylight Time"	86aa504f79df7ba09776fe1072e4b1672fa4b23988a88c9c3d311cb53d0b9f9b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-632 = "Tokyo Standard Time"	86aa504f79df7ba09776fe1072e4b1672fa4b23988a88c9c3d311cb53d0b9f9b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-449 = "Azerbaijan Standard Time"	86aa504f79df7ba09776fe1072e4b1672fa4b23988a88c9c3d311cb53d0b9f9b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2411 = "Marquesas Daylight Time"	86aa504f79df7ba09776fe1072e4b1672fa4b23988a88c9c3d311cb53d0b9f9b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-982 = "Kamchatka Standard Time"	86aa504f79df7ba09776fe1072e4b1672fa4b23988a88c9c3d311cb53d0b9f9b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2792 = "Novosibirsk Standard Time"	86aa504f79df7ba09776fe1072e4b1672fa4b23988a88c9c3d311cb53d0b9f9b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-92 = "Pacific SA Standard Time"	86aa504f79df7ba09776fe1072e4b1672fa4b23988a88c9c3d311cb53d0b9f9b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-831 = "SA Eastern Daylight Time"	86aa504f79df7ba09776fe1072e4b1672fa4b23988a88c9c3d311cb53d0b9f9b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-602 = "Taipei Standard Time"	86aa504f79df7ba09776fe1072e4b1672fa4b23988a88c9c3d311cb53d0b9f9b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-162 = "Central Standard Time"	86aa504f79df7ba09776fe1072e4b1672fa4b23988a88c9c3d311cb53d0b9f9b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-261 = "GMT Daylight Time"	86aa504f79df7ba09776fe1072e4b1672fa4b23988a88c9c3d311cb53d0b9f9b.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

86aa504f79df7ba09776fe1072e4b1672fa4b23988a88c9c3d311cb53d0b9f9b.exe86aa504f79df7ba09776fe1072e4b1672fa4b23988a88c9c3d311cb53d0b9f9b.exeinjector.execsrss.exe

pid	process
1100	86aa504f79df7ba09776fe1072e4b1672fa4b23988a88c9c3d311cb53d0b9f9b.exe
1100	86aa504f79df7ba09776fe1072e4b1672fa4b23988a88c9c3d311cb53d0b9f9b.exe
4072	86aa504f79df7ba09776fe1072e4b1672fa4b23988a88c9c3d311cb53d0b9f9b.exe
4072	86aa504f79df7ba09776fe1072e4b1672fa4b23988a88c9c3d311cb53d0b9f9b.exe
4072	86aa504f79df7ba09776fe1072e4b1672fa4b23988a88c9c3d311cb53d0b9f9b.exe
4072	86aa504f79df7ba09776fe1072e4b1672fa4b23988a88c9c3d311cb53d0b9f9b.exe
4072	86aa504f79df7ba09776fe1072e4b1672fa4b23988a88c9c3d311cb53d0b9f9b.exe
4072	86aa504f79df7ba09776fe1072e4b1672fa4b23988a88c9c3d311cb53d0b9f9b.exe
4072	86aa504f79df7ba09776fe1072e4b1672fa4b23988a88c9c3d311cb53d0b9f9b.exe
4072	86aa504f79df7ba09776fe1072e4b1672fa4b23988a88c9c3d311cb53d0b9f9b.exe
4072	86aa504f79df7ba09776fe1072e4b1672fa4b23988a88c9c3d311cb53d0b9f9b.exe
4072	86aa504f79df7ba09776fe1072e4b1672fa4b23988a88c9c3d311cb53d0b9f9b.exe
4444	injector.exe
4444	injector.exe
4444	injector.exe
4444	injector.exe
4444	injector.exe
4444	injector.exe
4992	csrss.exe
4992	csrss.exe
4444	injector.exe
4444	injector.exe
4444	injector.exe
4444	injector.exe
4444	injector.exe
4444	injector.exe
4992	csrss.exe
4992	csrss.exe
4444	injector.exe
4444	injector.exe
4444	injector.exe
4444	injector.exe
4444	injector.exe
4444	injector.exe
4444	injector.exe
4444	injector.exe
4444	injector.exe
4444	injector.exe
4444	injector.exe
4444	injector.exe
4444	injector.exe
4444	injector.exe
4444	injector.exe
4444	injector.exe
4444	injector.exe
4444	injector.exe
4444	injector.exe
4444	injector.exe
4444	injector.exe
4444	injector.exe
4444	injector.exe
4444	injector.exe
4444	injector.exe
4444	injector.exe
4444	injector.exe
4444	injector.exe
4444	injector.exe
4444	injector.exe
4444	injector.exe
4444	injector.exe
4444	injector.exe
4444	injector.exe
4444	injector.exe
4444	injector.exe

Suspicious use of AdjustPrivilegeToken 25 IoCs

Processes:

86aa504f79df7ba09776fe1072e4b1672fa4b23988a88c9c3d311cb53d0b9f9b.exesvchost.execsrss.exe

description	pid	process
Token: SeDebugPrivilege	1100	86aa504f79df7ba09776fe1072e4b1672fa4b23988a88c9c3d311cb53d0b9f9b.exe
Token: SeImpersonatePrivilege	1100	86aa504f79df7ba09776fe1072e4b1672fa4b23988a88c9c3d311cb53d0b9f9b.exe
Token: SeTcbPrivilege	2444	svchost.exe
Token: SeTcbPrivilege	2444	svchost.exe
Token: SeBackupPrivilege	2444	svchost.exe
Token: SeRestorePrivilege	2444	svchost.exe
Token: SeBackupPrivilege	2444	svchost.exe
Token: SeRestorePrivilege	2444	svchost.exe
Token: SeBackupPrivilege	2444	svchost.exe
Token: SeRestorePrivilege	2444	svchost.exe
Token: SeBackupPrivilege	2444	svchost.exe
Token: SeRestorePrivilege	2444	svchost.exe
Token: SeSystemEnvironmentPrivilege	4992	csrss.exe
Token: SeBackupPrivilege	2444	svchost.exe
Token: SeRestorePrivilege	2444	svchost.exe
Token: SeBackupPrivilege	2444	svchost.exe
Token: SeRestorePrivilege	2444	svchost.exe
Token: SeBackupPrivilege	2444	svchost.exe
Token: SeRestorePrivilege	2444	svchost.exe
Token: SeBackupPrivilege	2444	svchost.exe
Token: SeRestorePrivilege	2444	svchost.exe
Token: SeBackupPrivilege	2444	svchost.exe
Token: SeRestorePrivilege	2444	svchost.exe
Token: SeBackupPrivilege	2444	svchost.exe
Token: SeRestorePrivilege	2444	svchost.exe

Suspicious use of WriteProcessMemory 25 IoCs

Processes:

svchost.exe86aa504f79df7ba09776fe1072e4b1672fa4b23988a88c9c3d311cb53d0b9f9b.execmd.execsrss.exe

description	pid	process	target process
PID 2444 wrote to memory of 4072	2444	svchost.exe	86aa504f79df7ba09776fe1072e4b1672fa4b23988a88c9c3d311cb53d0b9f9b.exe
PID 2444 wrote to memory of 4072	2444	svchost.exe	86aa504f79df7ba09776fe1072e4b1672fa4b23988a88c9c3d311cb53d0b9f9b.exe
PID 2444 wrote to memory of 4072	2444	svchost.exe	86aa504f79df7ba09776fe1072e4b1672fa4b23988a88c9c3d311cb53d0b9f9b.exe
PID 4072 wrote to memory of 460	4072	86aa504f79df7ba09776fe1072e4b1672fa4b23988a88c9c3d311cb53d0b9f9b.exe	cmd.exe
PID 4072 wrote to memory of 460	4072	86aa504f79df7ba09776fe1072e4b1672fa4b23988a88c9c3d311cb53d0b9f9b.exe	cmd.exe
PID 460 wrote to memory of 4344	460	cmd.exe	netsh.exe
PID 460 wrote to memory of 4344	460	cmd.exe	netsh.exe
PID 4072 wrote to memory of 4992	4072	86aa504f79df7ba09776fe1072e4b1672fa4b23988a88c9c3d311cb53d0b9f9b.exe	csrss.exe
PID 4072 wrote to memory of 4992	4072	86aa504f79df7ba09776fe1072e4b1672fa4b23988a88c9c3d311cb53d0b9f9b.exe	csrss.exe
PID 4072 wrote to memory of 4992	4072	86aa504f79df7ba09776fe1072e4b1672fa4b23988a88c9c3d311cb53d0b9f9b.exe	csrss.exe
PID 2444 wrote to memory of 1512	2444	svchost.exe	schtasks.exe
PID 2444 wrote to memory of 1512	2444	svchost.exe	schtasks.exe
PID 2444 wrote to memory of 5004	2444	svchost.exe	schtasks.exe
PID 2444 wrote to memory of 5004	2444	svchost.exe	schtasks.exe
PID 4992 wrote to memory of 4444	4992	csrss.exe	injector.exe
PID 4992 wrote to memory of 4444	4992	csrss.exe	injector.exe
PID 2444 wrote to memory of 3772	2444	svchost.exe	schtasks.exe
PID 2444 wrote to memory of 3772	2444	svchost.exe	schtasks.exe
PID 4992 wrote to memory of 3652	4992	csrss.exe	f801950a962ddba14caaa44bf084b55c.exe
PID 4992 wrote to memory of 3652	4992	csrss.exe	f801950a962ddba14caaa44bf084b55c.exe
PID 4992 wrote to memory of 3652	4992	csrss.exe	f801950a962ddba14caaa44bf084b55c.exe
PID 2444 wrote to memory of 4840	2444	svchost.exe	schtasks.exe
PID 2444 wrote to memory of 4840	2444	svchost.exe	schtasks.exe
PID 2444 wrote to memory of 2096	2444	svchost.exe	schtasks.exe
PID 2444 wrote to memory of 2096	2444	svchost.exe	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\86aa504f79df7ba09776fe1072e4b1672fa4b23988a88c9c3d311cb53d0b9f9b.exe
"C:\Users\Admin\AppData\Local\Temp\86aa504f79df7ba09776fe1072e4b1672fa4b23988a88c9c3d311cb53d0b9f9b.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1100

C:\Users\Admin\AppData\Local\Temp\86aa504f79df7ba09776fe1072e4b1672fa4b23988a88c9c3d311cb53d0b9f9b.exe
"C:\Users\Admin\AppData\Local\Temp\86aa504f79df7ba09776fe1072e4b1672fa4b23988a88c9c3d311cb53d0b9f9b.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:4072

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:460

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:4344

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:4992

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:1512

C:\Windows\SYSTEM32\schtasks.exe
schtasks /delete /tn ScheduledUpdate /f
4⤵
PID:5004

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:4444

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:3772

C:\Users\Admin\AppData\Local\Temp\csrss\f801950a962ddba14caaa44bf084b55c.exe
C:\Users\Admin\AppData\Local\Temp\csrss\f801950a962ddba14caaa44bf084b55c.exe
4⤵
- Executes dropped EXE
PID:3652

C:\Windows\SYSTEM32\schtasks.exe
schtasks /delete /tn "csrss" /f
5⤵
PID:4840

C:\Windows\SYSTEM32\schtasks.exe
schtasks /delete /tn "ScheduledUpdate" /f
5⤵
PID:2096

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:2444

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
4daa42a8bc4923fccf4be699d6870027

SHA1
acb0a305bd2959bda4fcde7dfb389d248e291115

SHA256
86aa504f79df7ba09776fe1072e4b1672fa4b23988a88c9c3d311cb53d0b9f9b

SHA512
b90131f310bc6dea7a5a4cdcf2550c0b7860b1463066ea28df2b2c8aab187d0bf1a0d6f65f4b52687caf0289fa597a1828ebdd64bcfb9ea475d0d3a8dc48d9ee

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

MD5
4daa42a8bc4923fccf4be699d6870027

SHA1
acb0a305bd2959bda4fcde7dfb389d248e291115

SHA256
86aa504f79df7ba09776fe1072e4b1672fa4b23988a88c9c3d311cb53d0b9f9b

SHA512
b90131f310bc6dea7a5a4cdcf2550c0b7860b1463066ea28df2b2c8aab187d0bf1a0d6f65f4b52687caf0289fa597a1828ebdd64bcfb9ea475d0d3a8dc48d9ee

Download Submit
memory/460-137-0x0000000000000000-mapping.dmp

Download
memory/1100-132-0x0000000002BE8000-0x0000000002FD1000-memory.dmp

Filesize
3.9MB

Download
memory/1100-136-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/1100-134-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/1100-133-0x0000000002FE0000-0x0000000003857000-memory.dmp

Filesize
8.5MB

Download
memory/1512-145-0x0000000000000000-mapping.dmp

Download
memory/2096-160-0x0000000000000000-mapping.dmp

Download
memory/3652-161-0x0000000000400000-0x0000000000C25000-memory.dmp

Filesize
8.1MB

Download
memory/3652-157-0x0000000000400000-0x0000000000C25000-memory.dmp

Filesize
8.1MB

Download
memory/3652-163-0x0000000000400000-0x0000000000C25000-memory.dmp

Filesize
8.1MB

Download
memory/3652-154-0x0000000000000000-mapping.dmp

Download
memory/3772-152-0x0000000000000000-mapping.dmp

Download
memory/4072-140-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/4072-144-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/4072-139-0x00000000028BA000-0x0000000002CA3000-memory.dmp

Filesize
3.9MB

Download
memory/4072-135-0x0000000000000000-mapping.dmp

Download
memory/4344-138-0x0000000000000000-mapping.dmp

Download
memory/4444-149-0x0000000000000000-mapping.dmp

Download
memory/4840-159-0x0000000000000000-mapping.dmp

Download
memory/4992-153-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/4992-148-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/4992-147-0x0000000002E00000-0x00000000031E9000-memory.dmp

Filesize
3.9MB

Download
memory/4992-158-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/4992-141-0x0000000000000000-mapping.dmp

Download
memory/5004-146-0x0000000000000000-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