glupteba | 0e5646be5ef974648ce3eaff716173ce0a5f8ef6accbd6badf19e178b8eb88da

General

Target

0e5646be5ef974648ce3eaff716173ce0a5f8ef6accbd6badf19e178b8eb88da.exe
Size

4.1MB
MD5

4a18c10beb76644e5bedc16bb9b0c120
SHA1

e36fe018eba89cf5b9e1c0f6ad7cde1ff996d902
SHA256

0e5646be5ef974648ce3eaff716173ce0a5f8ef6accbd6badf19e178b8eb88da
SHA512

8bee65e10fb0160dfa7308a095bc54b3ce1c1ab8525556727455647233c86e5175835bd736436c062af76d56a014e9c6e25fe71fb9545efa4c9efbf3807dedb4
SSDEEP

98304:qkqCk810HajeBhok089IZwzx3irAwQJoxf5R:uw1neBhrj9I2GQJC

Score

10^/10

glupteba discovery dropper evasion loader persistence rootkit

Malware Config

Signatures

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

Glupteba payload 17 IoCs

Processes:

resource	yara_rule
behavioral1/memory/5036-134-0x0000000002F80000-0x00000000037F7000-memory.dmp	family_glupteba
behavioral1/memory/5036-135-0x0000000000400000-0x0000000000C91000-memory.dmp	family_glupteba
behavioral1/memory/548-142-0x0000000000400000-0x0000000000C91000-memory.dmp	family_glupteba
behavioral1/memory/2484-148-0x0000000000400000-0x0000000000C91000-memory.dmp	family_glupteba
behavioral1/memory/2484-149-0x0000000000400000-0x0000000000C91000-memory.dmp	family_glupteba
behavioral1/memory/2484-150-0x0000000000400000-0x0000000000C91000-memory.dmp	family_glupteba
behavioral1/memory/2484-151-0x0000000000400000-0x0000000000C91000-memory.dmp	family_glupteba
behavioral1/memory/2484-152-0x0000000000400000-0x0000000000C91000-memory.dmp	family_glupteba
behavioral1/memory/2484-153-0x0000000000400000-0x0000000000C91000-memory.dmp	family_glupteba
behavioral1/memory/2484-154-0x0000000000400000-0x0000000000C91000-memory.dmp	family_glupteba
behavioral1/memory/2484-155-0x0000000000400000-0x0000000000C91000-memory.dmp	family_glupteba
behavioral1/memory/2484-156-0x0000000000400000-0x0000000000C91000-memory.dmp	family_glupteba
behavioral1/memory/2484-157-0x0000000000400000-0x0000000000C91000-memory.dmp	family_glupteba
behavioral1/memory/2484-158-0x0000000000400000-0x0000000000C91000-memory.dmp	family_glupteba
behavioral1/memory/2484-159-0x0000000000400000-0x0000000000C91000-memory.dmp	family_glupteba
behavioral1/memory/2484-160-0x0000000000400000-0x0000000000C91000-memory.dmp	family_glupteba
behavioral1/memory/2484-161-0x0000000000400000-0x0000000000C91000-memory.dmp	family_glupteba

Modifies Windows Firewall 1 TTPs 1 IoCs
evasion

Modify Existing Service
T1031

Processes:

netsh.exe

pid process

1816 netsh.exe
Executes dropped EXE 2 IoCs

Processes:

csrss.exeinjector.exe

pid process

2484 csrss.exe
4856 injector.exe

pid	process
1816	netsh.exe

pid	process
2484	csrss.exe
4856	injector.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

0e5646be5ef974648ce3eaff716173ce0a5f8ef6accbd6badf19e178b8eb88da.execsrss.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\""	0e5646be5ef974648ce3eaff716173ce0a5f8ef6accbd6badf19e178b8eb88da.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\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
Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
rootkit evasion

Processes:

csrss.exe

description ioc process

File opened for modification \??\WinMonFS csrss.exe
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.

System Information Discovery
T1082

Processes:

0e5646be5ef974648ce3eaff716173ce0a5f8ef6accbd6badf19e178b8eb88da.exe

description ioc process

File opened (read-only) \??\VBoxMiniRdrDN 0e5646be5ef974648ce3eaff716173ce0a5f8ef6accbd6badf19e178b8eb88da.exe

description	ioc	process
File opened for modification	\??\WinMonFS	csrss.exe

description	ioc	process
File opened (read-only)	\??\VBoxMiniRdrDN	0e5646be5ef974648ce3eaff716173ce0a5f8ef6accbd6badf19e178b8eb88da.exe

Drops file in Windows directory 2 IoCs

Processes:

0e5646be5ef974648ce3eaff716173ce0a5f8ef6accbd6badf19e178b8eb88da.exe

description	ioc	process
File opened for modification	C:\Windows\rss	0e5646be5ef974648ce3eaff716173ce0a5f8ef6accbd6badf19e178b8eb88da.exe
File created	C:\Windows\rss\csrss.exe	0e5646be5ef974648ce3eaff716173ce0a5f8ef6accbd6badf19e178b8eb88da.exe

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

2660 548 WerFault.exe 0e5646be5ef974648ce3eaff716173ce0a5f8ef6accbd6badf19e178b8eb88da.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

2092 schtasks.exe
4868 schtasks.exe

pid	pid_target	process	target process
2660	548	WerFault.exe	0e5646be5ef974648ce3eaff716173ce0a5f8ef6accbd6badf19e178b8eb88da.exe

pid	process
2092	schtasks.exe
4868	schtasks.exe

Modifies data under HKEY_USERS 64 IoCs

Processes:

0e5646be5ef974648ce3eaff716173ce0a5f8ef6accbd6badf19e178b8eb88da.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-261 = "GMT Daylight Time"	0e5646be5ef974648ce3eaff716173ce0a5f8ef6accbd6badf19e178b8eb88da.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2141 = "Transbaikal Daylight Time"	0e5646be5ef974648ce3eaff716173ce0a5f8ef6accbd6badf19e178b8eb88da.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2182 = "Astrakhan Standard Time"	0e5646be5ef974648ce3eaff716173ce0a5f8ef6accbd6badf19e178b8eb88da.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-232 = "Hawaiian Standard Time"	0e5646be5ef974648ce3eaff716173ce0a5f8ef6accbd6badf19e178b8eb88da.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-532 = "Sri Lanka Standard Time"	0e5646be5ef974648ce3eaff716173ce0a5f8ef6accbd6badf19e178b8eb88da.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2431 = "Cuba Daylight Time"	0e5646be5ef974648ce3eaff716173ce0a5f8ef6accbd6badf19e178b8eb88da.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-271 = "Greenwich Daylight Time"	0e5646be5ef974648ce3eaff716173ce0a5f8ef6accbd6badf19e178b8eb88da.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2412 = "Marquesas Standard Time"	0e5646be5ef974648ce3eaff716173ce0a5f8ef6accbd6badf19e178b8eb88da.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2042 = "Eastern Standard Time (Mexico)"	0e5646be5ef974648ce3eaff716173ce0a5f8ef6accbd6badf19e178b8eb88da.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-385 = "Namibia Standard Time"	0e5646be5ef974648ce3eaff716173ce0a5f8ef6accbd6badf19e178b8eb88da.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2452 = "Saint Pierre Standard Time"	0e5646be5ef974648ce3eaff716173ce0a5f8ef6accbd6badf19e178b8eb88da.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2391 = "Aleutian Daylight Time"	0e5646be5ef974648ce3eaff716173ce0a5f8ef6accbd6badf19e178b8eb88da.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-401 = "Arabic Daylight Time"	0e5646be5ef974648ce3eaff716173ce0a5f8ef6accbd6badf19e178b8eb88da.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-652 = "AUS Central Standard Time"	0e5646be5ef974648ce3eaff716173ce0a5f8ef6accbd6badf19e178b8eb88da.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-451 = "Caucasus Daylight Time"	0e5646be5ef974648ce3eaff716173ce0a5f8ef6accbd6badf19e178b8eb88da.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-181 = "Mountain Daylight Time (Mexico)"	0e5646be5ef974648ce3eaff716173ce0a5f8ef6accbd6badf19e178b8eb88da.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"	0e5646be5ef974648ce3eaff716173ce0a5f8ef6accbd6badf19e178b8eb88da.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-832 = "SA Eastern Standard Time"	0e5646be5ef974648ce3eaff716173ce0a5f8ef6accbd6badf19e178b8eb88da.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2842 = "Saratov Standard Time"	0e5646be5ef974648ce3eaff716173ce0a5f8ef6accbd6badf19e178b8eb88da.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-251 = "Dateline Daylight Time"	0e5646be5ef974648ce3eaff716173ce0a5f8ef6accbd6badf19e178b8eb88da.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-351 = "FLE Daylight Time"	0e5646be5ef974648ce3eaff716173ce0a5f8ef6accbd6badf19e178b8eb88da.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-434 = "Georgian Daylight Time"	0e5646be5ef974648ce3eaff716173ce0a5f8ef6accbd6badf19e178b8eb88da.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-222 = "Alaskan Standard Time"	0e5646be5ef974648ce3eaff716173ce0a5f8ef6accbd6badf19e178b8eb88da.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-491 = "India Daylight Time"	0e5646be5ef974648ce3eaff716173ce0a5f8ef6accbd6badf19e178b8eb88da.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"	0e5646be5ef974648ce3eaff716173ce0a5f8ef6accbd6badf19e178b8eb88da.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"	0e5646be5ef974648ce3eaff716173ce0a5f8ef6accbd6badf19e178b8eb88da.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2511 = "Lord Howe Daylight Time"	0e5646be5ef974648ce3eaff716173ce0a5f8ef6accbd6badf19e178b8eb88da.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-364 = "Middle East Daylight Time"	0e5646be5ef974648ce3eaff716173ce0a5f8ef6accbd6badf19e178b8eb88da.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-871 = "Pakistan Daylight Time"	0e5646be5ef974648ce3eaff716173ce0a5f8ef6accbd6badf19e178b8eb88da.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-962 = "Paraguay Standard Time"	0e5646be5ef974648ce3eaff716173ce0a5f8ef6accbd6badf19e178b8eb88da.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-651 = "AUS Central Daylight Time"	0e5646be5ef974648ce3eaff716173ce0a5f8ef6accbd6badf19e178b8eb88da.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1022 = "Bangladesh Standard Time"	0e5646be5ef974648ce3eaff716173ce0a5f8ef6accbd6badf19e178b8eb88da.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1972 = "Belarus Standard Time"	0e5646be5ef974648ce3eaff716173ce0a5f8ef6accbd6badf19e178b8eb88da.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-602 = "Taipei Standard Time"	0e5646be5ef974648ce3eaff716173ce0a5f8ef6accbd6badf19e178b8eb88da.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-671 = "AUS Eastern Daylight Time"	0e5646be5ef974648ce3eaff716173ce0a5f8ef6accbd6badf19e178b8eb88da.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-272 = "Greenwich Standard Time"	0e5646be5ef974648ce3eaff716173ce0a5f8ef6accbd6badf19e178b8eb88da.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-562 = "SE Asia Standard Time"	0e5646be5ef974648ce3eaff716173ce0a5f8ef6accbd6badf19e178b8eb88da.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-672 = "AUS Eastern Standard Time"	0e5646be5ef974648ce3eaff716173ce0a5f8ef6accbd6badf19e178b8eb88da.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-334 = "Jordan Daylight Time"	0e5646be5ef974648ce3eaff716173ce0a5f8ef6accbd6badf19e178b8eb88da.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2772 = "Omsk Standard Time"	0e5646be5ef974648ce3eaff716173ce0a5f8ef6accbd6badf19e178b8eb88da.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-691 = "Tasmania Daylight Time"	0e5646be5ef974648ce3eaff716173ce0a5f8ef6accbd6badf19e178b8eb88da.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-842 = "Argentina Standard Time"	0e5646be5ef974648ce3eaff716173ce0a5f8ef6accbd6badf19e178b8eb88da.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1721 = "Libya Daylight Time"	0e5646be5ef974648ce3eaff716173ce0a5f8ef6accbd6badf19e178b8eb88da.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2791 = "Novosibirsk Daylight Time"	0e5646be5ef974648ce3eaff716173ce0a5f8ef6accbd6badf19e178b8eb88da.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-541 = "Myanmar Daylight Time"	0e5646be5ef974648ce3eaff716173ce0a5f8ef6accbd6badf19e178b8eb88da.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2632 = "Norfolk Standard Time"	0e5646be5ef974648ce3eaff716173ce0a5f8ef6accbd6badf19e178b8eb88da.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1501 = "Turkey Daylight Time"	0e5646be5ef974648ce3eaff716173ce0a5f8ef6accbd6badf19e178b8eb88da.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1041 = "Ulaanbaatar Daylight Time"	0e5646be5ef974648ce3eaff716173ce0a5f8ef6accbd6badf19e178b8eb88da.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1021 = "Bangladesh Daylight Time"	0e5646be5ef974648ce3eaff716173ce0a5f8ef6accbd6badf19e178b8eb88da.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-291 = "Central European Daylight Time"	0e5646be5ef974648ce3eaff716173ce0a5f8ef6accbd6badf19e178b8eb88da.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-682 = "E. Australia Standard Time"	0e5646be5ef974648ce3eaff716173ce0a5f8ef6accbd6badf19e178b8eb88da.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-442 = "Arabian Standard Time"	0e5646be5ef974648ce3eaff716173ce0a5f8ef6accbd6badf19e178b8eb88da.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-201 = "US Mountain Daylight Time"	0e5646be5ef974648ce3eaff716173ce0a5f8ef6accbd6badf19e178b8eb88da.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-631 = "Tokyo Daylight Time"	0e5646be5ef974648ce3eaff716173ce0a5f8ef6accbd6badf19e178b8eb88da.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-391 = "Arab Daylight Time"	0e5646be5ef974648ce3eaff716173ce0a5f8ef6accbd6badf19e178b8eb88da.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"	0e5646be5ef974648ce3eaff716173ce0a5f8ef6accbd6badf19e178b8eb88da.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1472 = "Magadan Standard Time"	0e5646be5ef974648ce3eaff716173ce0a5f8ef6accbd6badf19e178b8eb88da.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-111 = "Eastern Daylight Time"	0e5646be5ef974648ce3eaff716173ce0a5f8ef6accbd6badf19e178b8eb88da.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2792 = "Novosibirsk Standard Time"	0e5646be5ef974648ce3eaff716173ce0a5f8ef6accbd6badf19e178b8eb88da.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1861 = "Russia TZ 6 Daylight Time"	0e5646be5ef974648ce3eaff716173ce0a5f8ef6accbd6badf19e178b8eb88da.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2891 = "Sudan Daylight Time"	0e5646be5ef974648ce3eaff716173ce0a5f8ef6accbd6badf19e178b8eb88da.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-751 = "Tonga Daylight Time"	0e5646be5ef974648ce3eaff716173ce0a5f8ef6accbd6badf19e178b8eb88da.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2392 = "Aleutian Standard Time"	0e5646be5ef974648ce3eaff716173ce0a5f8ef6accbd6badf19e178b8eb88da.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"	0e5646be5ef974648ce3eaff716173ce0a5f8ef6accbd6badf19e178b8eb88da.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

0e5646be5ef974648ce3eaff716173ce0a5f8ef6accbd6badf19e178b8eb88da.exe0e5646be5ef974648ce3eaff716173ce0a5f8ef6accbd6badf19e178b8eb88da.exeinjector.execsrss.exe

pid	process
5036	0e5646be5ef974648ce3eaff716173ce0a5f8ef6accbd6badf19e178b8eb88da.exe
5036	0e5646be5ef974648ce3eaff716173ce0a5f8ef6accbd6badf19e178b8eb88da.exe
548	0e5646be5ef974648ce3eaff716173ce0a5f8ef6accbd6badf19e178b8eb88da.exe
548	0e5646be5ef974648ce3eaff716173ce0a5f8ef6accbd6badf19e178b8eb88da.exe
548	0e5646be5ef974648ce3eaff716173ce0a5f8ef6accbd6badf19e178b8eb88da.exe
548	0e5646be5ef974648ce3eaff716173ce0a5f8ef6accbd6badf19e178b8eb88da.exe
548	0e5646be5ef974648ce3eaff716173ce0a5f8ef6accbd6badf19e178b8eb88da.exe
548	0e5646be5ef974648ce3eaff716173ce0a5f8ef6accbd6badf19e178b8eb88da.exe
548	0e5646be5ef974648ce3eaff716173ce0a5f8ef6accbd6badf19e178b8eb88da.exe
548	0e5646be5ef974648ce3eaff716173ce0a5f8ef6accbd6badf19e178b8eb88da.exe
548	0e5646be5ef974648ce3eaff716173ce0a5f8ef6accbd6badf19e178b8eb88da.exe
548	0e5646be5ef974648ce3eaff716173ce0a5f8ef6accbd6badf19e178b8eb88da.exe
4856	injector.exe
4856	injector.exe
4856	injector.exe
4856	injector.exe
4856	injector.exe
4856	injector.exe
2484	csrss.exe
2484	csrss.exe
4856	injector.exe
4856	injector.exe
4856	injector.exe
4856	injector.exe
4856	injector.exe
4856	injector.exe
2484	csrss.exe
2484	csrss.exe
4856	injector.exe
4856	injector.exe
4856	injector.exe
4856	injector.exe
4856	injector.exe
4856	injector.exe
4856	injector.exe
4856	injector.exe
4856	injector.exe
4856	injector.exe
4856	injector.exe
4856	injector.exe
4856	injector.exe
4856	injector.exe
4856	injector.exe
4856	injector.exe
4856	injector.exe
4856	injector.exe
4856	injector.exe
4856	injector.exe
4856	injector.exe
4856	injector.exe
4856	injector.exe
4856	injector.exe
4856	injector.exe
4856	injector.exe
4856	injector.exe
4856	injector.exe
4856	injector.exe
4856	injector.exe
4856	injector.exe
4856	injector.exe
4856	injector.exe
4856	injector.exe
4856	injector.exe
4856	injector.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

0e5646be5ef974648ce3eaff716173ce0a5f8ef6accbd6badf19e178b8eb88da.execsrss.exe

description	pid	process
Token: SeDebugPrivilege	5036	0e5646be5ef974648ce3eaff716173ce0a5f8ef6accbd6badf19e178b8eb88da.exe
Token: SeImpersonatePrivilege	5036	0e5646be5ef974648ce3eaff716173ce0a5f8ef6accbd6badf19e178b8eb88da.exe
Token: SeSystemEnvironmentPrivilege	2484	csrss.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

0e5646be5ef974648ce3eaff716173ce0a5f8ef6accbd6badf19e178b8eb88da.execmd.execsrss.exe

description	pid	process	target process
PID 548 wrote to memory of 2556	548	0e5646be5ef974648ce3eaff716173ce0a5f8ef6accbd6badf19e178b8eb88da.exe	cmd.exe
PID 548 wrote to memory of 2556	548	0e5646be5ef974648ce3eaff716173ce0a5f8ef6accbd6badf19e178b8eb88da.exe	cmd.exe
PID 2556 wrote to memory of 1816	2556	cmd.exe	netsh.exe
PID 2556 wrote to memory of 1816	2556	cmd.exe	netsh.exe
PID 548 wrote to memory of 2484	548	0e5646be5ef974648ce3eaff716173ce0a5f8ef6accbd6badf19e178b8eb88da.exe	csrss.exe
PID 548 wrote to memory of 2484	548	0e5646be5ef974648ce3eaff716173ce0a5f8ef6accbd6badf19e178b8eb88da.exe	csrss.exe
PID 548 wrote to memory of 2484	548	0e5646be5ef974648ce3eaff716173ce0a5f8ef6accbd6badf19e178b8eb88da.exe	csrss.exe
PID 2484 wrote to memory of 4856	2484	csrss.exe	injector.exe
PID 2484 wrote to memory of 4856	2484	csrss.exe	injector.exe

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012

C:\Users\Admin\AppData\Local\Temp\0e5646be5ef974648ce3eaff716173ce0a5f8ef6accbd6badf19e178b8eb88da.exe
"C:\Users\Admin\AppData\Local\Temp\0e5646be5ef974648ce3eaff716173ce0a5f8ef6accbd6badf19e178b8eb88da.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:5036

C:\Users\Admin\AppData\Local\Temp\0e5646be5ef974648ce3eaff716173ce0a5f8ef6accbd6badf19e178b8eb88da.exe
"C:\Users\Admin\AppData\Local\Temp\0e5646be5ef974648ce3eaff716173ce0a5f8ef6accbd6badf19e178b8eb88da.exe"
2⤵
- Adds Run key to start application
- Checks for VirtualBox DLLs, possible anti-VM trick
- Drops file in Windows directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:548

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:2556

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:1816

C:\Windows\rss\csrss.exe
C:\Windows\rss\csrss.exe
3⤵
- Executes dropped EXE
- Adds Run key to start application
- Manipulates WinMonFS driver.
- 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:2092

C:\Windows\SYSTEM32\schtasks.exe
schtasks /delete /tn ScheduledUpdate /f
4⤵
PID:4148

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:4856

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:4868

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 548 -s 776
3⤵
- Program crash
PID:2660

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 548 -ip 548
1⤵
PID:2260

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

2

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

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

MD5
d98e33b66343e7c96158444127a117f6

SHA1
bb716c5509a2bf345c6c1152f6e3e1452d39d50d

SHA256
5de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1

SHA512
705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5

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

MD5
d98e33b66343e7c96158444127a117f6

SHA1
bb716c5509a2bf345c6c1152f6e3e1452d39d50d

SHA256
5de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1

SHA512
705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5

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

MD5
4a18c10beb76644e5bedc16bb9b0c120

SHA1
e36fe018eba89cf5b9e1c0f6ad7cde1ff996d902

SHA256
0e5646be5ef974648ce3eaff716173ce0a5f8ef6accbd6badf19e178b8eb88da

SHA512
8bee65e10fb0160dfa7308a095bc54b3ce1c1ab8525556727455647233c86e5175835bd736436c062af76d56a014e9c6e25fe71fb9545efa4c9efbf3807dedb4

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

MD5
4a18c10beb76644e5bedc16bb9b0c120

SHA1
e36fe018eba89cf5b9e1c0f6ad7cde1ff996d902

SHA256
0e5646be5ef974648ce3eaff716173ce0a5f8ef6accbd6badf19e178b8eb88da

SHA512
8bee65e10fb0160dfa7308a095bc54b3ce1c1ab8525556727455647233c86e5175835bd736436c062af76d56a014e9c6e25fe71fb9545efa4c9efbf3807dedb4

Download Submit
memory/548-142-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/2484-151-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

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

Filesize
8.6MB

Download
memory/2484-148-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/2484-149-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/2484-150-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/2484-161-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/2484-152-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/2484-160-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/2484-154-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/2484-155-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/2484-156-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/2484-157-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/2484-158-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/2484-159-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/5036-135-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/5036-134-0x0000000002F80000-0x00000000037F7000-memory.dmp

Filesize
8.5MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

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Downloads