glupteba | cd191920ad8844e36d6935487d43d8a3e3d129323bef2e8c984a647cbe07c264

General

Target

cd191920ad8844e36d6935487d43d8a3e3d129323bef2e8c984a647cbe07c264.exe
Size

4.2MB
MD5

9729aed0deeae79b340f1cc6a96561a5
SHA1

169b0538ec432848e75def0c6a75d863a3786a2b
SHA256

cd191920ad8844e36d6935487d43d8a3e3d129323bef2e8c984a647cbe07c264
SHA512

e9fe2d5903405464d59598424b01a85117d253ce211756330f0717180112760cddb2d637440d13b3891b2b41291e48eaeb173c557feabdc24d1dbe620ced7273
SSDEEP

98304:RC/oay0UtjjvmEYbQqX7o9EAxis5NYNYAOkLXq8AHA6OGY1L5mLVKqb7S:43y0CjTmEYbQqXoZUYlZcYHAn5cV5S

Score

10^/10

glupteba discovery dropper evasion loader persistence

Malware Config

Signatures

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

Suspicious use of NtCreateUserProcessOtherParentProcess 4 IoCs

Processes:

svchost.exe

description	pid	process	target process
PID 4324 created 2728	4324	svchost.exe	cd191920ad8844e36d6935487d43d8a3e3d129323bef2e8c984a647cbe07c264.exe
PID 4324 created 1196	4324	svchost.exe	csrss.exe
PID 4324 created 1196	4324	svchost.exe	csrss.exe
PID 4324 created 1196	4324	svchost.exe	csrss.exe

Modifies Windows Firewall 1 TTPs 1 IoCs
evasion

Modify Existing Service
T1031

Processes:

netsh.exe

pid process

4960 netsh.exe
Executes dropped EXE 2 IoCs

Processes:

csrss.exeinjector.exe

pid process

1196 csrss.exe
2124 injector.exe

pid	process
4960	netsh.exe

pid	process
1196	csrss.exe
2124	injector.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

csrss.execd191920ad8844e36d6935487d43d8a3e3d129323bef2e8c984a647cbe07c264.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\""	csrss.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\""	cd191920ad8844e36d6935487d43d8a3e3d129323bef2e8c984a647cbe07c264.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:

cd191920ad8844e36d6935487d43d8a3e3d129323bef2e8c984a647cbe07c264.exe

description	ioc	process
File opened for modification	C:\Windows\rss	cd191920ad8844e36d6935487d43d8a3e3d129323bef2e8c984a647cbe07c264.exe
File created	C:\Windows\rss\csrss.exe	cd191920ad8844e36d6935487d43d8a3e3d129323bef2e8c984a647cbe07c264.exe

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

3016 4408 WerFault.exe cd191920ad8844e36d6935487d43d8a3e3d129323bef2e8c984a647cbe07c264.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

3564 schtasks.exe
4332 schtasks.exe

pid	pid_target	process	target process
3016	4408	WerFault.exe	cd191920ad8844e36d6935487d43d8a3e3d129323bef2e8c984a647cbe07c264.exe

pid	process
3564	schtasks.exe
4332	schtasks.exe

Modifies data under HKEY_USERS 64 IoCs

Processes:

cd191920ad8844e36d6935487d43d8a3e3d129323bef2e8c984a647cbe07c264.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-382 = "South Africa Standard Time"	cd191920ad8844e36d6935487d43d8a3e3d129323bef2e8c984a647cbe07c264.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-3142 = "South Sudan Standard Time"	cd191920ad8844e36d6935487d43d8a3e3d129323bef2e8c984a647cbe07c264.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-352 = "FLE Standard Time"	cd191920ad8844e36d6935487d43d8a3e3d129323bef2e8c984a647cbe07c264.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-385 = "Namibia Standard Time"	cd191920ad8844e36d6935487d43d8a3e3d129323bef2e8c984a647cbe07c264.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-492 = "India Standard Time"	cd191920ad8844e36d6935487d43d8a3e3d129323bef2e8c984a647cbe07c264.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2631 = "Norfolk Daylight Time"	cd191920ad8844e36d6935487d43d8a3e3d129323bef2e8c984a647cbe07c264.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-201 = "US Mountain Daylight Time"	cd191920ad8844e36d6935487d43d8a3e3d129323bef2e8c984a647cbe07c264.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1662 = "Bahia Standard Time"	cd191920ad8844e36d6935487d43d8a3e3d129323bef2e8c984a647cbe07c264.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-262 = "GMT Standard Time"	cd191920ad8844e36d6935487d43d8a3e3d129323bef2e8c984a647cbe07c264.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1502 = "Turkey Standard Time"	cd191920ad8844e36d6935487d43d8a3e3d129323bef2e8c984a647cbe07c264.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2492 = "Aus Central W. Standard Time"	cd191920ad8844e36d6935487d43d8a3e3d129323bef2e8c984a647cbe07c264.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-231 = "Hawaiian Daylight Time"	cd191920ad8844e36d6935487d43d8a3e3d129323bef2e8c984a647cbe07c264.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"	cd191920ad8844e36d6935487d43d8a3e3d129323bef2e8c984a647cbe07c264.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2431 = "Cuba Daylight Time"	cd191920ad8844e36d6935487d43d8a3e3d129323bef2e8c984a647cbe07c264.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-361 = "GTB Daylight Time"	cd191920ad8844e36d6935487d43d8a3e3d129323bef2e8c984a647cbe07c264.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-961 = "Paraguay Daylight Time"	cd191920ad8844e36d6935487d43d8a3e3d129323bef2e8c984a647cbe07c264.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2372 = "Easter Island Standard Time"	cd191920ad8844e36d6935487d43d8a3e3d129323bef2e8c984a647cbe07c264.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2892 = "Sudan Standard Time"	cd191920ad8844e36d6935487d43d8a3e3d129323bef2e8c984a647cbe07c264.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-334 = "Jordan Daylight Time"	cd191920ad8844e36d6935487d43d8a3e3d129323bef2e8c984a647cbe07c264.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-291 = "Central European Daylight Time"	cd191920ad8844e36d6935487d43d8a3e3d129323bef2e8c984a647cbe07c264.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-332 = "E. Europe Standard Time"	cd191920ad8844e36d6935487d43d8a3e3d129323bef2e8c984a647cbe07c264.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-112 = "Eastern Standard Time"	cd191920ad8844e36d6935487d43d8a3e3d129323bef2e8c984a647cbe07c264.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2771 = "Omsk Daylight Time"	cd191920ad8844e36d6935487d43d8a3e3d129323bef2e8c984a647cbe07c264.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"	cd191920ad8844e36d6935487d43d8a3e3d129323bef2e8c984a647cbe07c264.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2451 = "Saint Pierre Daylight Time"	cd191920ad8844e36d6935487d43d8a3e3d129323bef2e8c984a647cbe07c264.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-402 = "Arabic Standard Time"	cd191920ad8844e36d6935487d43d8a3e3d129323bef2e8c984a647cbe07c264.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-651 = "AUS Central Daylight Time"	cd191920ad8844e36d6935487d43d8a3e3d129323bef2e8c984a647cbe07c264.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-91 = "Pacific SA Daylight Time"	cd191920ad8844e36d6935487d43d8a3e3d129323bef2e8c984a647cbe07c264.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-771 = "Montevideo Daylight Time"	cd191920ad8844e36d6935487d43d8a3e3d129323bef2e8c984a647cbe07c264.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-215 = "Pacific Standard Time (Mexico)"	cd191920ad8844e36d6935487d43d8a3e3d129323bef2e8c984a647cbe07c264.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-449 = "Azerbaijan Standard Time"	cd191920ad8844e36d6935487d43d8a3e3d129323bef2e8c984a647cbe07c264.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-371 = "Jerusalem Daylight Time"	cd191920ad8844e36d6935487d43d8a3e3d129323bef2e8c984a647cbe07c264.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-31 = "Mid-Atlantic Daylight Time"	cd191920ad8844e36d6935487d43d8a3e3d129323bef2e8c984a647cbe07c264.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2392 = "Aleutian Standard Time"	cd191920ad8844e36d6935487d43d8a3e3d129323bef2e8c984a647cbe07c264.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-681 = "E. Australia Daylight Time"	cd191920ad8844e36d6935487d43d8a3e3d129323bef2e8c984a647cbe07c264.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2572 = "Turks and Caicos Standard Time"	cd191920ad8844e36d6935487d43d8a3e3d129323bef2e8c984a647cbe07c264.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-722 = "Central Pacific Standard Time"	cd191920ad8844e36d6935487d43d8a3e3d129323bef2e8c984a647cbe07c264.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-391 = "Arab Daylight Time"	cd191920ad8844e36d6935487d43d8a3e3d129323bef2e8c984a647cbe07c264.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-442 = "Arabian Standard Time"	cd191920ad8844e36d6935487d43d8a3e3d129323bef2e8c984a647cbe07c264.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1021 = "Bangladesh Daylight Time"	cd191920ad8844e36d6935487d43d8a3e3d129323bef2e8c984a647cbe07c264.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1972 = "Belarus Standard Time"	cd191920ad8844e36d6935487d43d8a3e3d129323bef2e8c984a647cbe07c264.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-932 = "Coordinated Universal Time"	cd191920ad8844e36d6935487d43d8a3e3d129323bef2e8c984a647cbe07c264.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"	cd191920ad8844e36d6935487d43d8a3e3d129323bef2e8c984a647cbe07c264.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-211 = "Pacific Daylight Time"	cd191920ad8844e36d6935487d43d8a3e3d129323bef2e8c984a647cbe07c264.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-11 = "Azores Daylight Time"	cd191920ad8844e36d6935487d43d8a3e3d129323bef2e8c984a647cbe07c264.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1971 = "Belarus Daylight Time"	cd191920ad8844e36d6935487d43d8a3e3d129323bef2e8c984a647cbe07c264.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-151 = "Central America Daylight Time"	cd191920ad8844e36d6935487d43d8a3e3d129323bef2e8c984a647cbe07c264.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-562 = "SE Asia Standard Time"	cd191920ad8844e36d6935487d43d8a3e3d129323bef2e8c984a647cbe07c264.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-441 = "Arabian Daylight Time"	cd191920ad8844e36d6935487d43d8a3e3d129323bef2e8c984a647cbe07c264.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-872 = "Pakistan Standard Time"	cd191920ad8844e36d6935487d43d8a3e3d129323bef2e8c984a647cbe07c264.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-302 = "Romance Standard Time"	cd191920ad8844e36d6935487d43d8a3e3d129323bef2e8c984a647cbe07c264.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-621 = "Korea Daylight Time"	cd191920ad8844e36d6935487d43d8a3e3d129323bef2e8c984a647cbe07c264.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-532 = "Sri Lanka Standard Time"	cd191920ad8844e36d6935487d43d8a3e3d129323bef2e8c984a647cbe07c264.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1911 = "Russia TZ 10 Daylight Time"	cd191920ad8844e36d6935487d43d8a3e3d129323bef2e8c984a647cbe07c264.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-692 = "Tasmania Standard Time"	cd191920ad8844e36d6935487d43d8a3e3d129323bef2e8c984a647cbe07c264.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-572 = "China Standard Time"	cd191920ad8844e36d6935487d43d8a3e3d129323bef2e8c984a647cbe07c264.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-72 = "Newfoundland Standard Time"	cd191920ad8844e36d6935487d43d8a3e3d129323bef2e8c984a647cbe07c264.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-214 = "Pacific Daylight Time (Mexico)"	cd191920ad8844e36d6935487d43d8a3e3d129323bef2e8c984a647cbe07c264.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1842 = "Russia TZ 4 Standard Time"	cd191920ad8844e36d6935487d43d8a3e3d129323bef2e8c984a647cbe07c264.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2791 = "Novosibirsk Daylight Time"	cd191920ad8844e36d6935487d43d8a3e3d129323bef2e8c984a647cbe07c264.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-511 = "Central Asia Daylight Time"	cd191920ad8844e36d6935487d43d8a3e3d129323bef2e8c984a647cbe07c264.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-104 = "Central Brazilian Daylight Time"	cd191920ad8844e36d6935487d43d8a3e3d129323bef2e8c984a647cbe07c264.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-172 = "Central Standard Time (Mexico)"	cd191920ad8844e36d6935487d43d8a3e3d129323bef2e8c984a647cbe07c264.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2511 = "Lord Howe Daylight Time"	cd191920ad8844e36d6935487d43d8a3e3d129323bef2e8c984a647cbe07c264.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

cd191920ad8844e36d6935487d43d8a3e3d129323bef2e8c984a647cbe07c264.execd191920ad8844e36d6935487d43d8a3e3d129323bef2e8c984a647cbe07c264.exeinjector.execsrss.exe

pid	process
2728	cd191920ad8844e36d6935487d43d8a3e3d129323bef2e8c984a647cbe07c264.exe
2728	cd191920ad8844e36d6935487d43d8a3e3d129323bef2e8c984a647cbe07c264.exe
4408	cd191920ad8844e36d6935487d43d8a3e3d129323bef2e8c984a647cbe07c264.exe
4408	cd191920ad8844e36d6935487d43d8a3e3d129323bef2e8c984a647cbe07c264.exe
4408	cd191920ad8844e36d6935487d43d8a3e3d129323bef2e8c984a647cbe07c264.exe
4408	cd191920ad8844e36d6935487d43d8a3e3d129323bef2e8c984a647cbe07c264.exe
4408	cd191920ad8844e36d6935487d43d8a3e3d129323bef2e8c984a647cbe07c264.exe
4408	cd191920ad8844e36d6935487d43d8a3e3d129323bef2e8c984a647cbe07c264.exe
4408	cd191920ad8844e36d6935487d43d8a3e3d129323bef2e8c984a647cbe07c264.exe
4408	cd191920ad8844e36d6935487d43d8a3e3d129323bef2e8c984a647cbe07c264.exe
4408	cd191920ad8844e36d6935487d43d8a3e3d129323bef2e8c984a647cbe07c264.exe
4408	cd191920ad8844e36d6935487d43d8a3e3d129323bef2e8c984a647cbe07c264.exe
2124	injector.exe
2124	injector.exe
2124	injector.exe
2124	injector.exe
2124	injector.exe
2124	injector.exe
2124	injector.exe
2124	injector.exe
1196	csrss.exe
1196	csrss.exe
2124	injector.exe
2124	injector.exe
2124	injector.exe
2124	injector.exe
2124	injector.exe
2124	injector.exe
1196	csrss.exe
1196	csrss.exe
2124	injector.exe
2124	injector.exe
2124	injector.exe
2124	injector.exe
2124	injector.exe
2124	injector.exe
2124	injector.exe
2124	injector.exe
2124	injector.exe
2124	injector.exe
2124	injector.exe
2124	injector.exe
2124	injector.exe
2124	injector.exe
2124	injector.exe
2124	injector.exe
2124	injector.exe
2124	injector.exe
2124	injector.exe
2124	injector.exe
2124	injector.exe
2124	injector.exe
2124	injector.exe
2124	injector.exe
2124	injector.exe
2124	injector.exe
2124	injector.exe
2124	injector.exe
2124	injector.exe
2124	injector.exe
2124	injector.exe
2124	injector.exe
2124	injector.exe
2124	injector.exe

Suspicious use of AdjustPrivilegeToken 17 IoCs

Processes:

cd191920ad8844e36d6935487d43d8a3e3d129323bef2e8c984a647cbe07c264.exesvchost.execsrss.exe

description	pid	process
Token: SeDebugPrivilege	2728	cd191920ad8844e36d6935487d43d8a3e3d129323bef2e8c984a647cbe07c264.exe
Token: SeImpersonatePrivilege	2728	cd191920ad8844e36d6935487d43d8a3e3d129323bef2e8c984a647cbe07c264.exe
Token: SeTcbPrivilege	4324	svchost.exe
Token: SeTcbPrivilege	4324	svchost.exe
Token: SeBackupPrivilege	4324	svchost.exe
Token: SeRestorePrivilege	4324	svchost.exe
Token: SeBackupPrivilege	4324	svchost.exe
Token: SeRestorePrivilege	4324	svchost.exe
Token: SeSystemEnvironmentPrivilege	1196	csrss.exe
Token: SeBackupPrivilege	4324	svchost.exe
Token: SeRestorePrivilege	4324	svchost.exe
Token: SeBackupPrivilege	4324	svchost.exe
Token: SeRestorePrivilege	4324	svchost.exe
Token: SeBackupPrivilege	4324	svchost.exe
Token: SeRestorePrivilege	4324	svchost.exe
Token: SeBackupPrivilege	4324	svchost.exe
Token: SeRestorePrivilege	4324	svchost.exe

Suspicious use of WriteProcessMemory 18 IoCs

Processes:

svchost.execd191920ad8844e36d6935487d43d8a3e3d129323bef2e8c984a647cbe07c264.execmd.execsrss.exe

description	pid	process	target process
PID 4324 wrote to memory of 4408	4324	svchost.exe	cd191920ad8844e36d6935487d43d8a3e3d129323bef2e8c984a647cbe07c264.exe
PID 4324 wrote to memory of 4408	4324	svchost.exe	cd191920ad8844e36d6935487d43d8a3e3d129323bef2e8c984a647cbe07c264.exe
PID 4324 wrote to memory of 4408	4324	svchost.exe	cd191920ad8844e36d6935487d43d8a3e3d129323bef2e8c984a647cbe07c264.exe
PID 4408 wrote to memory of 544	4408	cd191920ad8844e36d6935487d43d8a3e3d129323bef2e8c984a647cbe07c264.exe	cmd.exe
PID 4408 wrote to memory of 544	4408	cd191920ad8844e36d6935487d43d8a3e3d129323bef2e8c984a647cbe07c264.exe	cmd.exe
PID 544 wrote to memory of 4960	544	cmd.exe	netsh.exe
PID 544 wrote to memory of 4960	544	cmd.exe	netsh.exe
PID 4408 wrote to memory of 1196	4408	cd191920ad8844e36d6935487d43d8a3e3d129323bef2e8c984a647cbe07c264.exe	csrss.exe
PID 4408 wrote to memory of 1196	4408	cd191920ad8844e36d6935487d43d8a3e3d129323bef2e8c984a647cbe07c264.exe	csrss.exe
PID 4408 wrote to memory of 1196	4408	cd191920ad8844e36d6935487d43d8a3e3d129323bef2e8c984a647cbe07c264.exe	csrss.exe
PID 4324 wrote to memory of 3564	4324	svchost.exe	schtasks.exe
PID 4324 wrote to memory of 3564	4324	svchost.exe	schtasks.exe
PID 4324 wrote to memory of 4944	4324	svchost.exe	schtasks.exe
PID 4324 wrote to memory of 4944	4324	svchost.exe	schtasks.exe
PID 1196 wrote to memory of 2124	1196	csrss.exe	injector.exe
PID 1196 wrote to memory of 2124	1196	csrss.exe	injector.exe
PID 4324 wrote to memory of 4332	4324	svchost.exe	schtasks.exe
PID 4324 wrote to memory of 4332	4324	svchost.exe	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\cd191920ad8844e36d6935487d43d8a3e3d129323bef2e8c984a647cbe07c264.exe
"C:\Users\Admin\AppData\Local\Temp\cd191920ad8844e36d6935487d43d8a3e3d129323bef2e8c984a647cbe07c264.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2728

C:\Users\Admin\AppData\Local\Temp\cd191920ad8844e36d6935487d43d8a3e3d129323bef2e8c984a647cbe07c264.exe
"C:\Users\Admin\AppData\Local\Temp\cd191920ad8844e36d6935487d43d8a3e3d129323bef2e8c984a647cbe07c264.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:4408

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:544

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:4960

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:1196

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:3564

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

C:\Users\Admin\AppData\Local\Temp\csrss\injector\injector.exe
C:\Users\Admin\AppData\Local\Temp\csrss\injector\injector.exe taskmgr.exe C:\Users\Admin\AppData\Local\Temp\csrss\injector\NtQuerySystemInformationHook.dll
4⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
PID:2124

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:4332

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4408 -s 660
3⤵
- Program crash
PID:3016

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:4324

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 4408 -ip 4408
1⤵
PID:4292

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Modify Existing Service

1

T1031

Registry Run Keys / Startup Folder

1

T1060

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

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

MD5
d98e33b66343e7c96158444127a117f6

SHA1
bb716c5509a2bf345c6c1152f6e3e1452d39d50d

SHA256
5de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1

SHA512
705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5

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

MD5
d98e33b66343e7c96158444127a117f6

SHA1
bb716c5509a2bf345c6c1152f6e3e1452d39d50d

SHA256
5de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1

SHA512
705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5

Download Submit
C:\Windows\rss\csrss.exe
Filesize
4.2MB

MD5
9729aed0deeae79b340f1cc6a96561a5

SHA1
169b0538ec432848e75def0c6a75d863a3786a2b

SHA256
cd191920ad8844e36d6935487d43d8a3e3d129323bef2e8c984a647cbe07c264

SHA512
e9fe2d5903405464d59598424b01a85117d253ce211756330f0717180112760cddb2d637440d13b3891b2b41291e48eaeb173c557feabdc24d1dbe620ced7273

Download Submit
C:\Windows\rss\csrss.exe
Filesize
4.2MB

MD5
9729aed0deeae79b340f1cc6a96561a5

SHA1
169b0538ec432848e75def0c6a75d863a3786a2b

SHA256
cd191920ad8844e36d6935487d43d8a3e3d129323bef2e8c984a647cbe07c264

SHA512
e9fe2d5903405464d59598424b01a85117d253ce211756330f0717180112760cddb2d637440d13b3891b2b41291e48eaeb173c557feabdc24d1dbe620ced7273

Download Submit
memory/544-139-0x0000000000000000-mapping.dmp

Download
memory/1196-147-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/1196-146-0x0000000002E00000-0x00000000031E9000-memory.dmp

Filesize
3.9MB

Download
memory/1196-154-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/1196-142-0x0000000000000000-mapping.dmp

Download
memory/2124-150-0x0000000000000000-mapping.dmp

Download
memory/2728-132-0x0000000002BE6000-0x0000000002FCF000-memory.dmp

Filesize
3.9MB

Download
memory/2728-136-0x0000000002BE6000-0x0000000002FCF000-memory.dmp

Filesize
3.9MB

Download
memory/2728-134-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/2728-133-0x0000000002FD0000-0x0000000003847000-memory.dmp

Filesize
8.5MB

Download
memory/2728-137-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/3564-148-0x0000000000000000-mapping.dmp

Download
memory/4332-153-0x0000000000000000-mapping.dmp

Download
memory/4408-135-0x0000000000000000-mapping.dmp

Download
memory/4408-145-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/4408-138-0x0000000002BF6000-0x0000000002FDF000-memory.dmp

Filesize
3.9MB

Download
memory/4408-141-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/4944-149-0x0000000000000000-mapping.dmp

Download
memory/4960-140-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads