glupteba | dde4fcfa18001283df51d8d7f9ef0935150eba831f3771c07fe4ecf598f2fd7b

General

Target

dde4fcfa18001283df51d8d7f9ef0935150eba831f3771c07fe4ecf598f2fd7b.exe
Size

4.1MB
MD5

bd1549cdb1b7650fb4615ecc25bc93f4
SHA1

c8d4bf93a17d304c2730f57052f62070ed6b7310
SHA256

dde4fcfa18001283df51d8d7f9ef0935150eba831f3771c07fe4ecf598f2fd7b
SHA512

e653b693316d3487cad01e616b4b47c5fe4627be108e95cc0245882e31288d1a265fc1f49693c226051b1d62248b244cb9c76eadce4e6c840eae74d11c087a2d
SSDEEP

98304:H5tCfexSqFjY6mzBi16X+LmEVaMYXj3VvVC:ufeXdY6mzBiQrC

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 4 IoCs

Processes:

svchost.exe

description	pid	process	target process
PID 1672 created 4212	1672	svchost.exe	dde4fcfa18001283df51d8d7f9ef0935150eba831f3771c07fe4ecf598f2fd7b.exe
PID 1672 created 2484	1672	svchost.exe	csrss.exe
PID 1672 created 2484	1672	svchost.exe	csrss.exe
PID 1672 created 2484	1672	svchost.exe	csrss.exe

Executes dropped EXE 3 IoCs

Processes:

csrss.exeinjector.exef801950a962ddba14caaa44bf084b55c.exe

pid process

2484 csrss.exe
3844 injector.exe
2248 f801950a962ddba14caaa44bf084b55c.exe
Modifies Windows Firewall 1 TTPs 1 IoCs
evasion

Modify Existing Service
T1031

Processes:

netsh.exe

pid process

2780 netsh.exe

pid	process
2484	csrss.exe
3844	injector.exe
2248	f801950a962ddba14caaa44bf084b55c.exe

pid	process
2780	netsh.exe

UPX packed file 3 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/2248-157-0x0000000000400000-0x0000000000C25000-memory.dmp	upx

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

dde4fcfa18001283df51d8d7f9ef0935150eba831f3771c07fe4ecf598f2fd7b.execsrss.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\""	dde4fcfa18001283df51d8d7f9ef0935150eba831f3771c07fe4ecf598f2fd7b.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\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:

dde4fcfa18001283df51d8d7f9ef0935150eba831f3771c07fe4ecf598f2fd7b.exe

description	ioc	process
File opened for modification	C:\Windows\rss	dde4fcfa18001283df51d8d7f9ef0935150eba831f3771c07fe4ecf598f2fd7b.exe
File created	C:\Windows\rss\csrss.exe	dde4fcfa18001283df51d8d7f9ef0935150eba831f3771c07fe4ecf598f2fd7b.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

5012 schtasks.exe
3928 schtasks.exe

pid	process
5012	schtasks.exe
3928	schtasks.exe

Modifies data under HKEY_USERS 64 IoCs

Processes:

dde4fcfa18001283df51d8d7f9ef0935150eba831f3771c07fe4ecf598f2fd7b.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-672 = "AUS Eastern Standard Time"	dde4fcfa18001283df51d8d7f9ef0935150eba831f3771c07fe4ecf598f2fd7b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-331 = "E. Europe Daylight Time"	dde4fcfa18001283df51d8d7f9ef0935150eba831f3771c07fe4ecf598f2fd7b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-621 = "Korea Daylight Time"	dde4fcfa18001283df51d8d7f9ef0935150eba831f3771c07fe4ecf598f2fd7b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-561 = "SE Asia Daylight Time"	dde4fcfa18001283df51d8d7f9ef0935150eba831f3771c07fe4ecf598f2fd7b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-132 = "US Eastern Standard Time"	dde4fcfa18001283df51d8d7f9ef0935150eba831f3771c07fe4ecf598f2fd7b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-448 = "Azerbaijan Daylight Time"	dde4fcfa18001283df51d8d7f9ef0935150eba831f3771c07fe4ecf598f2fd7b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-12 = "Azores Standard Time"	dde4fcfa18001283df51d8d7f9ef0935150eba831f3771c07fe4ecf598f2fd7b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-171 = "Central Daylight Time (Mexico)"	dde4fcfa18001283df51d8d7f9ef0935150eba831f3771c07fe4ecf598f2fd7b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2371 = "Easter Island Daylight Time"	dde4fcfa18001283df51d8d7f9ef0935150eba831f3771c07fe4ecf598f2fd7b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-212 = "Pacific Standard Time"	dde4fcfa18001283df51d8d7f9ef0935150eba831f3771c07fe4ecf598f2fd7b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-3142 = "South Sudan Standard Time"	dde4fcfa18001283df51d8d7f9ef0935150eba831f3771c07fe4ecf598f2fd7b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-449 = "Azerbaijan Standard Time"	dde4fcfa18001283df51d8d7f9ef0935150eba831f3771c07fe4ecf598f2fd7b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-334 = "Jordan Daylight Time"	dde4fcfa18001283df51d8d7f9ef0935150eba831f3771c07fe4ecf598f2fd7b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-501 = "Nepal Daylight Time"	dde4fcfa18001283df51d8d7f9ef0935150eba831f3771c07fe4ecf598f2fd7b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-202 = "US Mountain Standard Time"	dde4fcfa18001283df51d8d7f9ef0935150eba831f3771c07fe4ecf598f2fd7b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2632 = "Norfolk Standard Time"	dde4fcfa18001283df51d8d7f9ef0935150eba831f3771c07fe4ecf598f2fd7b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-511 = "Central Asia Daylight Time"	dde4fcfa18001283df51d8d7f9ef0935150eba831f3771c07fe4ecf598f2fd7b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-365 = "Middle East Standard Time"	dde4fcfa18001283df51d8d7f9ef0935150eba831f3771c07fe4ecf598f2fd7b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-3141 = "South Sudan Daylight Time"	dde4fcfa18001283df51d8d7f9ef0935150eba831f3771c07fe4ecf598f2fd7b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-142 = "Canada Central Standard Time"	dde4fcfa18001283df51d8d7f9ef0935150eba831f3771c07fe4ecf598f2fd7b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1821 = "Russia TZ 1 Daylight Time"	dde4fcfa18001283df51d8d7f9ef0935150eba831f3771c07fe4ecf598f2fd7b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-591 = "Malay Peninsula Daylight Time"	dde4fcfa18001283df51d8d7f9ef0935150eba831f3771c07fe4ecf598f2fd7b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-462 = "Afghanistan Standard Time"	dde4fcfa18001283df51d8d7f9ef0935150eba831f3771c07fe4ecf598f2fd7b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2491 = "Aus Central W. Daylight Time"	dde4fcfa18001283df51d8d7f9ef0935150eba831f3771c07fe4ecf598f2fd7b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-112 = "Eastern Standard Time"	dde4fcfa18001283df51d8d7f9ef0935150eba831f3771c07fe4ecf598f2fd7b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-912 = "Mauritius Standard Time"	dde4fcfa18001283df51d8d7f9ef0935150eba831f3771c07fe4ecf598f2fd7b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-892 = "Morocco Standard Time"	dde4fcfa18001283df51d8d7f9ef0935150eba831f3771c07fe4ecf598f2fd7b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-192 = "Mountain Standard Time"	dde4fcfa18001283df51d8d7f9ef0935150eba831f3771c07fe4ecf598f2fd7b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1892 = "Russia TZ 3 Standard Time"	dde4fcfa18001283df51d8d7f9ef0935150eba831f3771c07fe4ecf598f2fd7b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2162 = "Altai Standard Time"	dde4fcfa18001283df51d8d7f9ef0935150eba831f3771c07fe4ecf598f2fd7b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-402 = "Arabic Standard Time"	dde4fcfa18001283df51d8d7f9ef0935150eba831f3771c07fe4ecf598f2fd7b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-111 = "Eastern Daylight Time"	dde4fcfa18001283df51d8d7f9ef0935150eba831f3771c07fe4ecf598f2fd7b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-342 = "Egypt Standard Time"	dde4fcfa18001283df51d8d7f9ef0935150eba831f3771c07fe4ecf598f2fd7b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1822 = "Russia TZ 1 Standard Time"	dde4fcfa18001283df51d8d7f9ef0935150eba831f3771c07fe4ecf598f2fd7b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-841 = "Argentina Daylight Time"	dde4fcfa18001283df51d8d7f9ef0935150eba831f3771c07fe4ecf598f2fd7b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-411 = "E. Africa Daylight Time"	dde4fcfa18001283df51d8d7f9ef0935150eba831f3771c07fe4ecf598f2fd7b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-3052 = "Qyzylorda Standard Time"	dde4fcfa18001283df51d8d7f9ef0935150eba831f3771c07fe4ecf598f2fd7b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-382 = "South Africa Standard Time"	dde4fcfa18001283df51d8d7f9ef0935150eba831f3771c07fe4ecf598f2fd7b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-651 = "AUS Central Daylight Time"	dde4fcfa18001283df51d8d7f9ef0935150eba831f3771c07fe4ecf598f2fd7b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-452 = "Caucasus Standard Time"	dde4fcfa18001283df51d8d7f9ef0935150eba831f3771c07fe4ecf598f2fd7b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2042 = "Eastern Standard Time (Mexico)"	dde4fcfa18001283df51d8d7f9ef0935150eba831f3771c07fe4ecf598f2fd7b.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"	dde4fcfa18001283df51d8d7f9ef0935150eba831f3771c07fe4ecf598f2fd7b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2341 = "Haiti Daylight Time"	dde4fcfa18001283df51d8d7f9ef0935150eba831f3771c07fe4ecf598f2fd7b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2182 = "Astrakhan Standard Time"	dde4fcfa18001283df51d8d7f9ef0935150eba831f3771c07fe4ecf598f2fd7b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-652 = "AUS Central Standard Time"	dde4fcfa18001283df51d8d7f9ef0935150eba831f3771c07fe4ecf598f2fd7b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2532 = "Chatham Islands Standard Time"	dde4fcfa18001283df51d8d7f9ef0935150eba831f3771c07fe4ecf598f2fd7b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-385 = "Namibia Standard Time"	dde4fcfa18001283df51d8d7f9ef0935150eba831f3771c07fe4ecf598f2fd7b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-441 = "Arabian Daylight Time"	dde4fcfa18001283df51d8d7f9ef0935150eba831f3771c07fe4ecf598f2fd7b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-282 = "Central Europe Standard Time"	dde4fcfa18001283df51d8d7f9ef0935150eba831f3771c07fe4ecf598f2fd7b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-502 = "Nepal Standard Time"	dde4fcfa18001283df51d8d7f9ef0935150eba831f3771c07fe4ecf598f2fd7b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2062 = "North Korea Standard Time"	dde4fcfa18001283df51d8d7f9ef0935150eba831f3771c07fe4ecf598f2fd7b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1041 = "Ulaanbaatar Daylight Time"	dde4fcfa18001283df51d8d7f9ef0935150eba831f3771c07fe4ecf598f2fd7b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-252 = "Dateline Standard Time"	dde4fcfa18001283df51d8d7f9ef0935150eba831f3771c07fe4ecf598f2fd7b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-214 = "Pacific Daylight Time (Mexico)"	dde4fcfa18001283df51d8d7f9ef0935150eba831f3771c07fe4ecf598f2fd7b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-791 = "SA Western Daylight Time"	dde4fcfa18001283df51d8d7f9ef0935150eba831f3771c07fe4ecf598f2fd7b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1501 = "Turkey Daylight Time"	dde4fcfa18001283df51d8d7f9ef0935150eba831f3771c07fe4ecf598f2fd7b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-152 = "Central America Standard Time"	dde4fcfa18001283df51d8d7f9ef0935150eba831f3771c07fe4ecf598f2fd7b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-362 = "GTB Standard Time"	dde4fcfa18001283df51d8d7f9ef0935150eba831f3771c07fe4ecf598f2fd7b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2872 = "Magallanes Standard Time"	dde4fcfa18001283df51d8d7f9ef0935150eba831f3771c07fe4ecf598f2fd7b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-121 = "SA Pacific Daylight Time"	dde4fcfa18001283df51d8d7f9ef0935150eba831f3771c07fe4ecf598f2fd7b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-602 = "Taipei Standard Time"	dde4fcfa18001283df51d8d7f9ef0935150eba831f3771c07fe4ecf598f2fd7b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-732 = "Fiji Standard Time"	dde4fcfa18001283df51d8d7f9ef0935150eba831f3771c07fe4ecf598f2fd7b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-384 = "Namibia Daylight Time"	dde4fcfa18001283df51d8d7f9ef0935150eba831f3771c07fe4ecf598f2fd7b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-681 = "E. Australia Daylight Time"	dde4fcfa18001283df51d8d7f9ef0935150eba831f3771c07fe4ecf598f2fd7b.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

dde4fcfa18001283df51d8d7f9ef0935150eba831f3771c07fe4ecf598f2fd7b.exedde4fcfa18001283df51d8d7f9ef0935150eba831f3771c07fe4ecf598f2fd7b.exeinjector.execsrss.exe

pid	process
4212	dde4fcfa18001283df51d8d7f9ef0935150eba831f3771c07fe4ecf598f2fd7b.exe
4212	dde4fcfa18001283df51d8d7f9ef0935150eba831f3771c07fe4ecf598f2fd7b.exe
1232	dde4fcfa18001283df51d8d7f9ef0935150eba831f3771c07fe4ecf598f2fd7b.exe
1232	dde4fcfa18001283df51d8d7f9ef0935150eba831f3771c07fe4ecf598f2fd7b.exe
1232	dde4fcfa18001283df51d8d7f9ef0935150eba831f3771c07fe4ecf598f2fd7b.exe
1232	dde4fcfa18001283df51d8d7f9ef0935150eba831f3771c07fe4ecf598f2fd7b.exe
1232	dde4fcfa18001283df51d8d7f9ef0935150eba831f3771c07fe4ecf598f2fd7b.exe
1232	dde4fcfa18001283df51d8d7f9ef0935150eba831f3771c07fe4ecf598f2fd7b.exe
1232	dde4fcfa18001283df51d8d7f9ef0935150eba831f3771c07fe4ecf598f2fd7b.exe
1232	dde4fcfa18001283df51d8d7f9ef0935150eba831f3771c07fe4ecf598f2fd7b.exe
1232	dde4fcfa18001283df51d8d7f9ef0935150eba831f3771c07fe4ecf598f2fd7b.exe
1232	dde4fcfa18001283df51d8d7f9ef0935150eba831f3771c07fe4ecf598f2fd7b.exe
3844	injector.exe
3844	injector.exe
3844	injector.exe
3844	injector.exe
3844	injector.exe
3844	injector.exe
3844	injector.exe
3844	injector.exe
2484	csrss.exe
2484	csrss.exe
3844	injector.exe
3844	injector.exe
3844	injector.exe
3844	injector.exe
3844	injector.exe
3844	injector.exe
2484	csrss.exe
2484	csrss.exe
3844	injector.exe
3844	injector.exe
3844	injector.exe
3844	injector.exe
3844	injector.exe
3844	injector.exe
3844	injector.exe
3844	injector.exe
3844	injector.exe
3844	injector.exe
3844	injector.exe
3844	injector.exe
3844	injector.exe
3844	injector.exe
3844	injector.exe
3844	injector.exe
3844	injector.exe
3844	injector.exe
3844	injector.exe
3844	injector.exe
3844	injector.exe
3844	injector.exe
3844	injector.exe
3844	injector.exe
3844	injector.exe
3844	injector.exe
3844	injector.exe
3844	injector.exe
3844	injector.exe
3844	injector.exe
3844	injector.exe
3844	injector.exe
3844	injector.exe
3844	injector.exe

Suspicious use of AdjustPrivilegeToken 17 IoCs

Processes:

dde4fcfa18001283df51d8d7f9ef0935150eba831f3771c07fe4ecf598f2fd7b.exesvchost.execsrss.exe

description	pid	process
Token: SeDebugPrivilege	4212	dde4fcfa18001283df51d8d7f9ef0935150eba831f3771c07fe4ecf598f2fd7b.exe
Token: SeImpersonatePrivilege	4212	dde4fcfa18001283df51d8d7f9ef0935150eba831f3771c07fe4ecf598f2fd7b.exe
Token: SeTcbPrivilege	1672	svchost.exe
Token: SeTcbPrivilege	1672	svchost.exe
Token: SeBackupPrivilege	1672	svchost.exe
Token: SeRestorePrivilege	1672	svchost.exe
Token: SeBackupPrivilege	1672	svchost.exe
Token: SeRestorePrivilege	1672	svchost.exe
Token: SeBackupPrivilege	1672	svchost.exe
Token: SeRestorePrivilege	1672	svchost.exe
Token: SeBackupPrivilege	1672	svchost.exe
Token: SeRestorePrivilege	1672	svchost.exe
Token: SeSystemEnvironmentPrivilege	2484	csrss.exe
Token: SeBackupPrivilege	1672	svchost.exe
Token: SeRestorePrivilege	1672	svchost.exe
Token: SeBackupPrivilege	1672	svchost.exe
Token: SeRestorePrivilege	1672	svchost.exe

Suspicious use of WriteProcessMemory 21 IoCs

Processes:

svchost.exedde4fcfa18001283df51d8d7f9ef0935150eba831f3771c07fe4ecf598f2fd7b.execmd.execsrss.exe

description	pid	process	target process
PID 1672 wrote to memory of 1232	1672	svchost.exe	dde4fcfa18001283df51d8d7f9ef0935150eba831f3771c07fe4ecf598f2fd7b.exe
PID 1672 wrote to memory of 1232	1672	svchost.exe	dde4fcfa18001283df51d8d7f9ef0935150eba831f3771c07fe4ecf598f2fd7b.exe
PID 1672 wrote to memory of 1232	1672	svchost.exe	dde4fcfa18001283df51d8d7f9ef0935150eba831f3771c07fe4ecf598f2fd7b.exe
PID 1232 wrote to memory of 2216	1232	dde4fcfa18001283df51d8d7f9ef0935150eba831f3771c07fe4ecf598f2fd7b.exe	cmd.exe
PID 1232 wrote to memory of 2216	1232	dde4fcfa18001283df51d8d7f9ef0935150eba831f3771c07fe4ecf598f2fd7b.exe	cmd.exe
PID 2216 wrote to memory of 2780	2216	cmd.exe	netsh.exe
PID 2216 wrote to memory of 2780	2216	cmd.exe	netsh.exe
PID 1232 wrote to memory of 2484	1232	dde4fcfa18001283df51d8d7f9ef0935150eba831f3771c07fe4ecf598f2fd7b.exe	csrss.exe
PID 1232 wrote to memory of 2484	1232	dde4fcfa18001283df51d8d7f9ef0935150eba831f3771c07fe4ecf598f2fd7b.exe	csrss.exe
PID 1232 wrote to memory of 2484	1232	dde4fcfa18001283df51d8d7f9ef0935150eba831f3771c07fe4ecf598f2fd7b.exe	csrss.exe
PID 1672 wrote to memory of 5012	1672	svchost.exe	schtasks.exe
PID 1672 wrote to memory of 5012	1672	svchost.exe	schtasks.exe
PID 1672 wrote to memory of 4208	1672	svchost.exe	schtasks.exe
PID 1672 wrote to memory of 4208	1672	svchost.exe	schtasks.exe
PID 2484 wrote to memory of 3844	2484	csrss.exe	injector.exe
PID 2484 wrote to memory of 3844	2484	csrss.exe	injector.exe
PID 1672 wrote to memory of 3928	1672	svchost.exe	schtasks.exe
PID 1672 wrote to memory of 3928	1672	svchost.exe	schtasks.exe
PID 2484 wrote to memory of 2248	2484	csrss.exe	f801950a962ddba14caaa44bf084b55c.exe
PID 2484 wrote to memory of 2248	2484	csrss.exe	f801950a962ddba14caaa44bf084b55c.exe
PID 2484 wrote to memory of 2248	2484	csrss.exe	f801950a962ddba14caaa44bf084b55c.exe

C:\Users\Admin\AppData\Local\Temp\dde4fcfa18001283df51d8d7f9ef0935150eba831f3771c07fe4ecf598f2fd7b.exe
"C:\Users\Admin\AppData\Local\Temp\dde4fcfa18001283df51d8d7f9ef0935150eba831f3771c07fe4ecf598f2fd7b.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4212

C:\Users\Admin\AppData\Local\Temp\dde4fcfa18001283df51d8d7f9ef0935150eba831f3771c07fe4ecf598f2fd7b.exe
"C:\Users\Admin\AppData\Local\Temp\dde4fcfa18001283df51d8d7f9ef0935150eba831f3771c07fe4ecf598f2fd7b.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:1232

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:2216

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:2780

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:2484

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:5012

C:\Windows\SYSTEM32\schtasks.exe
schtasks /delete /tn ScheduledUpdate /f
4⤵
PID:4208

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:3844

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:3928

C:\Users\Admin\AppData\Local\Temp\csrss\f801950a962ddba14caaa44bf084b55c.exe
C:\Users\Admin\AppData\Local\Temp\csrss\f801950a962ddba14caaa44bf084b55c.exe
4⤵
- Executes dropped EXE
PID:2248

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:1672

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
2.4MB

MD5
1698556013d3b809d5b3e79c2faf7ec1

SHA1
e9c2e60487717e2f77aace06ca0d0e1cddaa9043

SHA256
d5ac67d0fcae26412c74141ece6694209cf09ec9c3322902072ecc434b0ae083

SHA512
df2feee0ef5c00d3b1d59a2fa118855558a6a20cb76f455fd90278d1ff1986df2aa012115578289af08a5af84a20ecdba2e67014c3035222ffe6bb698fb05cc1

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
bd1549cdb1b7650fb4615ecc25bc93f4

SHA1
c8d4bf93a17d304c2730f57052f62070ed6b7310

SHA256
dde4fcfa18001283df51d8d7f9ef0935150eba831f3771c07fe4ecf598f2fd7b

SHA512
e653b693316d3487cad01e616b4b47c5fe4627be108e95cc0245882e31288d1a265fc1f49693c226051b1d62248b244cb9c76eadce4e6c840eae74d11c087a2d

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

MD5
bd1549cdb1b7650fb4615ecc25bc93f4

SHA1
c8d4bf93a17d304c2730f57052f62070ed6b7310

SHA256
dde4fcfa18001283df51d8d7f9ef0935150eba831f3771c07fe4ecf598f2fd7b

SHA512
e653b693316d3487cad01e616b4b47c5fe4627be108e95cc0245882e31288d1a265fc1f49693c226051b1d62248b244cb9c76eadce4e6c840eae74d11c087a2d

Download Submit
memory/1232-144-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/1232-135-0x0000000000000000-mapping.dmp

Download
memory/1232-139-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/1232-137-0x00000000028A0000-0x0000000002C89000-memory.dmp

Filesize
3.9MB

Download
memory/2216-138-0x0000000000000000-mapping.dmp

Download
memory/2248-157-0x0000000000400000-0x0000000000C25000-memory.dmp

Filesize
8.1MB

Download
memory/2248-154-0x0000000000000000-mapping.dmp

Download
memory/2484-146-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/2484-145-0x0000000002E00000-0x00000000031E9000-memory.dmp

Filesize
3.9MB

Download
memory/2484-153-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/2484-141-0x0000000000000000-mapping.dmp

Download
memory/2780-140-0x0000000000000000-mapping.dmp

Download
memory/3844-149-0x0000000000000000-mapping.dmp

Download
memory/3928-152-0x0000000000000000-mapping.dmp

Download
memory/4208-148-0x0000000000000000-mapping.dmp

Download
memory/4212-136-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/4212-132-0x0000000002CAC000-0x0000000003095000-memory.dmp

Filesize
3.9MB

Download
memory/4212-134-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/4212-133-0x00000000030A0000-0x0000000003917000-memory.dmp

Filesize
8.5MB

Download
memory/5012-147-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads