glupteba | e7ada8d8e2e9b0142835438a921f5f771182b8c1fcd63ccb96e22a8054e442b4

General

Target

e7ada8d8e2e9b0142835438a921f5f771182b8c1fcd63ccb96e22a8054e442b4.exe
Size

4.1MB
MD5

2b679b2e58f2419a4769fd526bc78a62
SHA1

70f96b9ff936e7bf2ab9be36da596d72e405e247
SHA256

e7ada8d8e2e9b0142835438a921f5f771182b8c1fcd63ccb96e22a8054e442b4
SHA512

d7b61ca2f6635e2e0f458b704b432543fb8347e2e9896adc7b3f3e4920820fa54d86bb5f9c40b1653abac9fa22ff537cf7fa956f693a59b016fd88189a3ad9cf
SSDEEP

98304:WwBHi5FsLxkWyDJ6to4G4vUv6ywdiLJHCt4xilFJ8A1vE:7C4GDcGf1vJwIAqKPdE

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/5036-134-0x0000000002E60000-0x00000000036D7000-memory.dmp	family_glupteba
behavioral1/memory/5036-135-0x0000000000400000-0x0000000000C91000-memory.dmp	family_glupteba
behavioral1/memory/2460-142-0x0000000000400000-0x0000000000C91000-memory.dmp	family_glupteba
behavioral1/memory/5092-148-0x0000000000400000-0x0000000000C91000-memory.dmp	family_glupteba
behavioral1/memory/5092-149-0x0000000000400000-0x0000000000C91000-memory.dmp	family_glupteba
behavioral1/memory/5092-150-0x0000000000400000-0x0000000000C91000-memory.dmp	family_glupteba
behavioral1/memory/5092-151-0x0000000000400000-0x0000000000C91000-memory.dmp	family_glupteba
behavioral1/memory/5092-152-0x0000000000400000-0x0000000000C91000-memory.dmp	family_glupteba
behavioral1/memory/5092-153-0x0000000000400000-0x0000000000C91000-memory.dmp	family_glupteba
behavioral1/memory/5092-154-0x0000000000400000-0x0000000000C91000-memory.dmp	family_glupteba
behavioral1/memory/5092-155-0x0000000000400000-0x0000000000C91000-memory.dmp	family_glupteba
behavioral1/memory/5092-156-0x0000000000400000-0x0000000000C91000-memory.dmp	family_glupteba
behavioral1/memory/5092-157-0x0000000000400000-0x0000000000C91000-memory.dmp	family_glupteba
behavioral1/memory/5092-158-0x0000000000400000-0x0000000000C91000-memory.dmp	family_glupteba
behavioral1/memory/5092-159-0x0000000000400000-0x0000000000C91000-memory.dmp	family_glupteba
behavioral1/memory/5092-160-0x0000000000400000-0x0000000000C91000-memory.dmp	family_glupteba
behavioral1/memory/5092-161-0x0000000000400000-0x0000000000C91000-memory.dmp	family_glupteba

Modifies Windows Firewall 1 TTPs 1 IoCs
evasion

Modify Existing Service
T1031

Processes:

netsh.exe

pid process

1848 netsh.exe
Executes dropped EXE 2 IoCs

Processes:

csrss.exeinjector.exe

pid process

5092 csrss.exe
2396 injector.exe

pid	process
1848	netsh.exe

pid	process
5092	csrss.exe
2396	injector.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

e7ada8d8e2e9b0142835438a921f5f771182b8c1fcd63ccb96e22a8054e442b4.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\""	e7ada8d8e2e9b0142835438a921f5f771182b8c1fcd63ccb96e22a8054e442b4.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:

e7ada8d8e2e9b0142835438a921f5f771182b8c1fcd63ccb96e22a8054e442b4.exe

description ioc process

File opened (read-only) \??\VBoxMiniRdrDN e7ada8d8e2e9b0142835438a921f5f771182b8c1fcd63ccb96e22a8054e442b4.exe

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

description	ioc	process
File opened (read-only)	\??\VBoxMiniRdrDN	e7ada8d8e2e9b0142835438a921f5f771182b8c1fcd63ccb96e22a8054e442b4.exe

Drops file in Windows directory 2 IoCs

Processes:

e7ada8d8e2e9b0142835438a921f5f771182b8c1fcd63ccb96e22a8054e442b4.exe

description	ioc	process
File opened for modification	C:\Windows\rss	e7ada8d8e2e9b0142835438a921f5f771182b8c1fcd63ccb96e22a8054e442b4.exe
File created	C:\Windows\rss\csrss.exe	e7ada8d8e2e9b0142835438a921f5f771182b8c1fcd63ccb96e22a8054e442b4.exe

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

1600 2460 WerFault.exe e7ada8d8e2e9b0142835438a921f5f771182b8c1fcd63ccb96e22a8054e442b4.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

4020 schtasks.exe
1720 schtasks.exe

pid	pid_target	process	target process
1600	2460	WerFault.exe	e7ada8d8e2e9b0142835438a921f5f771182b8c1fcd63ccb96e22a8054e442b4.exe

pid	process
4020	schtasks.exe
1720	schtasks.exe

Modifies data under HKEY_USERS 64 IoCs

Processes:

e7ada8d8e2e9b0142835438a921f5f771182b8c1fcd63ccb96e22a8054e442b4.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-392 = "Arab Standard Time"	e7ada8d8e2e9b0142835438a921f5f771182b8c1fcd63ccb96e22a8054e442b4.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2872 = "Magallanes Standard Time"	e7ada8d8e2e9b0142835438a921f5f771182b8c1fcd63ccb96e22a8054e442b4.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-214 = "Pacific Daylight Time (Mexico)"	e7ada8d8e2e9b0142835438a921f5f771182b8c1fcd63ccb96e22a8054e442b4.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-42 = "E. South America Standard Time"	e7ada8d8e2e9b0142835438a921f5f771182b8c1fcd63ccb96e22a8054e442b4.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-335 = "Jordan Standard Time"	e7ada8d8e2e9b0142835438a921f5f771182b8c1fcd63ccb96e22a8054e442b4.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2892 = "Sudan Standard Time"	e7ada8d8e2e9b0142835438a921f5f771182b8c1fcd63ccb96e22a8054e442b4.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1021 = "Bangladesh Daylight Time"	e7ada8d8e2e9b0142835438a921f5f771182b8c1fcd63ccb96e22a8054e442b4.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2432 = "Cuba Standard Time"	e7ada8d8e2e9b0142835438a921f5f771182b8c1fcd63ccb96e22a8054e442b4.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-361 = "GTB Daylight Time"	e7ada8d8e2e9b0142835438a921f5f771182b8c1fcd63ccb96e22a8054e442b4.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-334 = "Jordan Daylight Time"	e7ada8d8e2e9b0142835438a921f5f771182b8c1fcd63ccb96e22a8054e442b4.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-912 = "Mauritius Standard Time"	e7ada8d8e2e9b0142835438a921f5f771182b8c1fcd63ccb96e22a8054e442b4.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-562 = "SE Asia Standard Time"	e7ada8d8e2e9b0142835438a921f5f771182b8c1fcd63ccb96e22a8054e442b4.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-172 = "Central Standard Time (Mexico)"	e7ada8d8e2e9b0142835438a921f5f771182b8c1fcd63ccb96e22a8054e442b4.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2341 = "Haiti Daylight Time"	e7ada8d8e2e9b0142835438a921f5f771182b8c1fcd63ccb96e22a8054e442b4.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-771 = "Montevideo Daylight Time"	e7ada8d8e2e9b0142835438a921f5f771182b8c1fcd63ccb96e22a8054e442b4.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-91 = "Pacific SA Daylight Time"	e7ada8d8e2e9b0142835438a921f5f771182b8c1fcd63ccb96e22a8054e442b4.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-842 = "Argentina Standard Time"	e7ada8d8e2e9b0142835438a921f5f771182b8c1fcd63ccb96e22a8054e442b4.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2002 = "Cabo Verde Standard Time"	e7ada8d8e2e9b0142835438a921f5f771182b8c1fcd63ccb96e22a8054e442b4.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-104 = "Central Brazilian Daylight Time"	e7ada8d8e2e9b0142835438a921f5f771182b8c1fcd63ccb96e22a8054e442b4.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-962 = "Paraguay Standard Time"	e7ada8d8e2e9b0142835438a921f5f771182b8c1fcd63ccb96e22a8054e442b4.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-631 = "Tokyo Daylight Time"	e7ada8d8e2e9b0142835438a921f5f771182b8c1fcd63ccb96e22a8054e442b4.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-681 = "E. Australia Daylight Time"	e7ada8d8e2e9b0142835438a921f5f771182b8c1fcd63ccb96e22a8054e442b4.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-352 = "FLE Standard Time"	e7ada8d8e2e9b0142835438a921f5f771182b8c1fcd63ccb96e22a8054e442b4.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-52 = "Greenland Standard Time"	e7ada8d8e2e9b0142835438a921f5f771182b8c1fcd63ccb96e22a8054e442b4.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-832 = "SA Eastern Standard Time"	e7ada8d8e2e9b0142835438a921f5f771182b8c1fcd63ccb96e22a8054e442b4.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2612 = "Bougainville Standard Time"	e7ada8d8e2e9b0142835438a921f5f771182b8c1fcd63ccb96e22a8054e442b4.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2532 = "Chatham Islands Standard Time"	e7ada8d8e2e9b0142835438a921f5f771182b8c1fcd63ccb96e22a8054e442b4.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1722 = "Libya Standard Time"	e7ada8d8e2e9b0142835438a921f5f771182b8c1fcd63ccb96e22a8054e442b4.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2061 = "North Korea Daylight Time"	e7ada8d8e2e9b0142835438a921f5f771182b8c1fcd63ccb96e22a8054e442b4.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-961 = "Paraguay Daylight Time"	e7ada8d8e2e9b0142835438a921f5f771182b8c1fcd63ccb96e22a8054e442b4.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2942 = "Sao Tome Standard Time"	e7ada8d8e2e9b0142835438a921f5f771182b8c1fcd63ccb96e22a8054e442b4.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-3141 = "South Sudan Daylight Time"	e7ada8d8e2e9b0142835438a921f5f771182b8c1fcd63ccb96e22a8054e442b4.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2391 = "Aleutian Daylight Time"	e7ada8d8e2e9b0142835438a921f5f771182b8c1fcd63ccb96e22a8054e442b4.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-652 = "AUS Central Standard Time"	e7ada8d8e2e9b0142835438a921f5f771182b8c1fcd63ccb96e22a8054e442b4.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-151 = "Central America Daylight Time"	e7ada8d8e2e9b0142835438a921f5f771182b8c1fcd63ccb96e22a8054e442b4.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-682 = "E. Australia Standard Time"	e7ada8d8e2e9b0142835438a921f5f771182b8c1fcd63ccb96e22a8054e442b4.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-362 = "GTB Standard Time"	e7ada8d8e2e9b0142835438a921f5f771182b8c1fcd63ccb96e22a8054e442b4.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2771 = "Omsk Daylight Time"	e7ada8d8e2e9b0142835438a921f5f771182b8c1fcd63ccb96e22a8054e442b4.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-632 = "Tokyo Standard Time"	e7ada8d8e2e9b0142835438a921f5f771182b8c1fcd63ccb96e22a8054e442b4.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-662 = "Cen. Australia Standard Time"	e7ada8d8e2e9b0142835438a921f5f771182b8c1fcd63ccb96e22a8054e442b4.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-292 = "Central European Standard Time"	e7ada8d8e2e9b0142835438a921f5f771182b8c1fcd63ccb96e22a8054e442b4.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-262 = "GMT Standard Time"	e7ada8d8e2e9b0142835438a921f5f771182b8c1fcd63ccb96e22a8054e442b4.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-51 = "Greenland Daylight Time"	e7ada8d8e2e9b0142835438a921f5f771182b8c1fcd63ccb96e22a8054e442b4.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-872 = "Pakistan Standard Time"	e7ada8d8e2e9b0142835438a921f5f771182b8c1fcd63ccb96e22a8054e442b4.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-892 = "Morocco Standard Time"	e7ada8d8e2e9b0142835438a921f5f771182b8c1fcd63ccb96e22a8054e442b4.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"	e7ada8d8e2e9b0142835438a921f5f771182b8c1fcd63ccb96e22a8054e442b4.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-32 = "Mid-Atlantic Standard Time"	e7ada8d8e2e9b0142835438a921f5f771182b8c1fcd63ccb96e22a8054e442b4.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-384 = "Namibia Daylight Time"	e7ada8d8e2e9b0142835438a921f5f771182b8c1fcd63ccb96e22a8054e442b4.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-741 = "New Zealand Daylight Time"	e7ada8d8e2e9b0142835438a921f5f771182b8c1fcd63ccb96e22a8054e442b4.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-831 = "SA Eastern Daylight Time"	e7ada8d8e2e9b0142835438a921f5f771182b8c1fcd63ccb96e22a8054e442b4.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-381 = "South Africa Daylight Time"	e7ada8d8e2e9b0142835438a921f5f771182b8c1fcd63ccb96e22a8054e442b4.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1042 = "Ulaanbaatar Standard Time"	e7ada8d8e2e9b0142835438a921f5f771182b8c1fcd63ccb96e22a8054e442b4.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-242 = "Samoa Standard Time"	e7ada8d8e2e9b0142835438a921f5f771182b8c1fcd63ccb96e22a8054e442b4.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-602 = "Taipei Standard Time"	e7ada8d8e2e9b0142835438a921f5f771182b8c1fcd63ccb96e22a8054e442b4.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-401 = "Arabic Daylight Time"	e7ada8d8e2e9b0142835438a921f5f771182b8c1fcd63ccb96e22a8054e442b4.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2181 = "Astrakhan Daylight Time"	e7ada8d8e2e9b0142835438a921f5f771182b8c1fcd63ccb96e22a8054e442b4.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-449 = "Azerbaijan Standard Time"	e7ada8d8e2e9b0142835438a921f5f771182b8c1fcd63ccb96e22a8054e442b4.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1022 = "Bangladesh Standard Time"	e7ada8d8e2e9b0142835438a921f5f771182b8c1fcd63ccb96e22a8054e442b4.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-431 = "Iran Daylight Time"	e7ada8d8e2e9b0142835438a921f5f771182b8c1fcd63ccb96e22a8054e442b4.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-511 = "Central Asia Daylight Time"	e7ada8d8e2e9b0142835438a921f5f771182b8c1fcd63ccb96e22a8054e442b4.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-272 = "Greenwich Standard Time"	e7ada8d8e2e9b0142835438a921f5f771182b8c1fcd63ccb96e22a8054e442b4.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-132 = "US Eastern Standard Time"	e7ada8d8e2e9b0142835438a921f5f771182b8c1fcd63ccb96e22a8054e442b4.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-672 = "AUS Eastern Standard Time"	e7ada8d8e2e9b0142835438a921f5f771182b8c1fcd63ccb96e22a8054e442b4.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-435 = "Georgian Standard Time"	e7ada8d8e2e9b0142835438a921f5f771182b8c1fcd63ccb96e22a8054e442b4.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

e7ada8d8e2e9b0142835438a921f5f771182b8c1fcd63ccb96e22a8054e442b4.exee7ada8d8e2e9b0142835438a921f5f771182b8c1fcd63ccb96e22a8054e442b4.exeinjector.execsrss.exe

pid	process
5036	e7ada8d8e2e9b0142835438a921f5f771182b8c1fcd63ccb96e22a8054e442b4.exe
5036	e7ada8d8e2e9b0142835438a921f5f771182b8c1fcd63ccb96e22a8054e442b4.exe
2460	e7ada8d8e2e9b0142835438a921f5f771182b8c1fcd63ccb96e22a8054e442b4.exe
2460	e7ada8d8e2e9b0142835438a921f5f771182b8c1fcd63ccb96e22a8054e442b4.exe
2460	e7ada8d8e2e9b0142835438a921f5f771182b8c1fcd63ccb96e22a8054e442b4.exe
2460	e7ada8d8e2e9b0142835438a921f5f771182b8c1fcd63ccb96e22a8054e442b4.exe
2460	e7ada8d8e2e9b0142835438a921f5f771182b8c1fcd63ccb96e22a8054e442b4.exe
2460	e7ada8d8e2e9b0142835438a921f5f771182b8c1fcd63ccb96e22a8054e442b4.exe
2460	e7ada8d8e2e9b0142835438a921f5f771182b8c1fcd63ccb96e22a8054e442b4.exe
2460	e7ada8d8e2e9b0142835438a921f5f771182b8c1fcd63ccb96e22a8054e442b4.exe
2460	e7ada8d8e2e9b0142835438a921f5f771182b8c1fcd63ccb96e22a8054e442b4.exe
2460	e7ada8d8e2e9b0142835438a921f5f771182b8c1fcd63ccb96e22a8054e442b4.exe
2396	injector.exe
2396	injector.exe
2396	injector.exe
2396	injector.exe
2396	injector.exe
2396	injector.exe
5092	csrss.exe
5092	csrss.exe
2396	injector.exe
2396	injector.exe
2396	injector.exe
2396	injector.exe
2396	injector.exe
2396	injector.exe
5092	csrss.exe
5092	csrss.exe
2396	injector.exe
2396	injector.exe
2396	injector.exe
2396	injector.exe
2396	injector.exe
2396	injector.exe
2396	injector.exe
2396	injector.exe
2396	injector.exe
2396	injector.exe
2396	injector.exe
2396	injector.exe
2396	injector.exe
2396	injector.exe
2396	injector.exe
2396	injector.exe
2396	injector.exe
2396	injector.exe
2396	injector.exe
2396	injector.exe
2396	injector.exe
2396	injector.exe
2396	injector.exe
2396	injector.exe
2396	injector.exe
2396	injector.exe
2396	injector.exe
2396	injector.exe
2396	injector.exe
2396	injector.exe
2396	injector.exe
2396	injector.exe
2396	injector.exe
2396	injector.exe
2396	injector.exe
2396	injector.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

e7ada8d8e2e9b0142835438a921f5f771182b8c1fcd63ccb96e22a8054e442b4.execsrss.exe

description	pid	process
Token: SeDebugPrivilege	5036	e7ada8d8e2e9b0142835438a921f5f771182b8c1fcd63ccb96e22a8054e442b4.exe
Token: SeImpersonatePrivilege	5036	e7ada8d8e2e9b0142835438a921f5f771182b8c1fcd63ccb96e22a8054e442b4.exe
Token: SeSystemEnvironmentPrivilege	5092	csrss.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

e7ada8d8e2e9b0142835438a921f5f771182b8c1fcd63ccb96e22a8054e442b4.execmd.execsrss.exe

description	pid	process	target process
PID 2460 wrote to memory of 1176	2460	e7ada8d8e2e9b0142835438a921f5f771182b8c1fcd63ccb96e22a8054e442b4.exe	cmd.exe
PID 2460 wrote to memory of 1176	2460	e7ada8d8e2e9b0142835438a921f5f771182b8c1fcd63ccb96e22a8054e442b4.exe	cmd.exe
PID 1176 wrote to memory of 1848	1176	cmd.exe	netsh.exe
PID 1176 wrote to memory of 1848	1176	cmd.exe	netsh.exe
PID 2460 wrote to memory of 5092	2460	e7ada8d8e2e9b0142835438a921f5f771182b8c1fcd63ccb96e22a8054e442b4.exe	csrss.exe
PID 2460 wrote to memory of 5092	2460	e7ada8d8e2e9b0142835438a921f5f771182b8c1fcd63ccb96e22a8054e442b4.exe	csrss.exe
PID 2460 wrote to memory of 5092	2460	e7ada8d8e2e9b0142835438a921f5f771182b8c1fcd63ccb96e22a8054e442b4.exe	csrss.exe
PID 5092 wrote to memory of 2396	5092	csrss.exe	injector.exe
PID 5092 wrote to memory of 2396	5092	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\e7ada8d8e2e9b0142835438a921f5f771182b8c1fcd63ccb96e22a8054e442b4.exe
"C:\Users\Admin\AppData\Local\Temp\e7ada8d8e2e9b0142835438a921f5f771182b8c1fcd63ccb96e22a8054e442b4.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:5036

C:\Users\Admin\AppData\Local\Temp\e7ada8d8e2e9b0142835438a921f5f771182b8c1fcd63ccb96e22a8054e442b4.exe
"C:\Users\Admin\AppData\Local\Temp\e7ada8d8e2e9b0142835438a921f5f771182b8c1fcd63ccb96e22a8054e442b4.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:2460

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:1176

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:1848

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:5092

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:4020

C:\Windows\SYSTEM32\schtasks.exe
schtasks /delete /tn ScheduledUpdate /f
4⤵
PID:1320

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:2396

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:1720

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2460 -s 864
3⤵
- Program crash
PID:1600

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 2460 -ip 2460
1⤵
PID:4860

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

Loading Replay Monitor...

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
2b679b2e58f2419a4769fd526bc78a62

SHA1
70f96b9ff936e7bf2ab9be36da596d72e405e247

SHA256
e7ada8d8e2e9b0142835438a921f5f771182b8c1fcd63ccb96e22a8054e442b4

SHA512
d7b61ca2f6635e2e0f458b704b432543fb8347e2e9896adc7b3f3e4920820fa54d86bb5f9c40b1653abac9fa22ff537cf7fa956f693a59b016fd88189a3ad9cf

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

MD5
2b679b2e58f2419a4769fd526bc78a62

SHA1
70f96b9ff936e7bf2ab9be36da596d72e405e247

SHA256
e7ada8d8e2e9b0142835438a921f5f771182b8c1fcd63ccb96e22a8054e442b4

SHA512
d7b61ca2f6635e2e0f458b704b432543fb8347e2e9896adc7b3f3e4920820fa54d86bb5f9c40b1653abac9fa22ff537cf7fa956f693a59b016fd88189a3ad9cf

Download Submit
memory/2460-142-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/5036-134-0x0000000002E60000-0x00000000036D7000-memory.dmp

Filesize
8.5MB

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

Filesize
8.6MB

Download
memory/5092-151-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/5092-155-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/5092-150-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/5092-148-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/5092-152-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/5092-153-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/5092-154-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/5092-149-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/5092-156-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/5092-157-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/5092-158-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/5092-159-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/5092-160-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/5092-161-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

Loading Replay Monitor...

Downloads