glupteba | 350393a79bc5ea8f2ea8604df647f0b4e6818ed53f0a0163d32ae21a5692cff4

General

Target

350393a79bc5ea8f2ea8604df647f0b4e6818ed53f0a0163d32ae21a5692cff4.exe
Size

4.1MB
MD5

a227cab756cc7c78af2a32710ba87d02
SHA1

d88c471e8b2cd37ffabf7e6460b9e2ac48f42e71
SHA256

350393a79bc5ea8f2ea8604df647f0b4e6818ed53f0a0163d32ae21a5692cff4
SHA512

f44ae4e21e99a0fbbf2c33134b4ebcb7c2cd15e693c902ad9a7697d43f798c704080511b970acc629edfa957d3439358dd9ff59ff5e3444ced63afff17c27ab2
SSDEEP

49152:Y01aXNTrvJAh35FmtfWfV9rgvkGy136MpbM2z6VaUOuFge56gKvUt/LlErQfC9ZI:c9nJgHm+qubM2zUajreHP+Ef+nUPX+Gf

Score

10^/10

glupteba discovery dropper evasion loader persistence upx

Malware Config

Signatures

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

Suspicious use of NtCreateUserProcessOtherParentProcess 6 IoCs

Processes:

svchost.exe

description	pid	process	target process
PID 1132 created 4476	1132	svchost.exe	350393a79bc5ea8f2ea8604df647f0b4e6818ed53f0a0163d32ae21a5692cff4.exe
PID 1132 created 3844	1132	svchost.exe	csrss.exe
PID 1132 created 3844	1132	svchost.exe	csrss.exe
PID 1132 created 3844	1132	svchost.exe	csrss.exe
PID 1132 created 4796	1132	svchost.exe	f801950a962ddba14caaa44bf084b55c.exe
PID 1132 created 4796	1132	svchost.exe	f801950a962ddba14caaa44bf084b55c.exe

Executes dropped EXE 3 IoCs

Processes:

csrss.exeinjector.exef801950a962ddba14caaa44bf084b55c.exe

pid process

3844 csrss.exe
4376 injector.exe
4796 f801950a962ddba14caaa44bf084b55c.exe
Modifies Windows Firewall 1 TTPs 1 IoCs
evasion

Modify Existing Service
T1031

Processes:

netsh.exe

pid process

2868 netsh.exe

pid	process
3844	csrss.exe
4376	injector.exe
4796	f801950a962ddba14caaa44bf084b55c.exe

pid	process
2868	netsh.exe

UPX packed file 5 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

Processes:

resource	yara_rule
C:\Users\Admin\AppData\Local\Temp\csrss\f801950a962ddba14caaa44bf084b55c.exe	upx
C:\Users\Admin\AppData\Local\Temp\csrss\f801950a962ddba14caaa44bf084b55c.exe	upx
behavioral1/memory/4796-157-0x0000000000400000-0x0000000000C25000-memory.dmp	upx
behavioral1/memory/4796-161-0x0000000000400000-0x0000000000C25000-memory.dmp	upx
behavioral1/memory/4796-163-0x0000000000400000-0x0000000000C25000-memory.dmp	upx

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

350393a79bc5ea8f2ea8604df647f0b4e6818ed53f0a0163d32ae21a5692cff4.execsrss.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\""	350393a79bc5ea8f2ea8604df647f0b4e6818ed53f0a0163d32ae21a5692cff4.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\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
Legitimate hosting services abused for malware hosting/C2 1 TTPs

Web Service
T1102

Drops file in Windows directory 2 IoCs

Processes:

350393a79bc5ea8f2ea8604df647f0b4e6818ed53f0a0163d32ae21a5692cff4.exe

description	ioc	process
File opened for modification	C:\Windows\rss	350393a79bc5ea8f2ea8604df647f0b4e6818ed53f0a0163d32ae21a5692cff4.exe
File created	C:\Windows\rss\csrss.exe	350393a79bc5ea8f2ea8604df647f0b4e6818ed53f0a0163d32ae21a5692cff4.exe

Program crash 2 IoCs

Processes:

WerFault.exeWerFault.exe

pid	pid_target	process	target process
3392	4476	WerFault.exe	350393a79bc5ea8f2ea8604df647f0b4e6818ed53f0a0163d32ae21a5692cff4.exe
3952	344	WerFault.exe	350393a79bc5ea8f2ea8604df647f0b4e6818ed53f0a0163d32ae21a5692cff4.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

3268 schtasks.exe
4800 schtasks.exe

pid	process
3268	schtasks.exe
4800	schtasks.exe

Modifies data under HKEY_USERS 64 IoCs

Processes:

350393a79bc5ea8f2ea8604df647f0b4e6818ed53f0a0163d32ae21a5692cff4.execsrss.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1802 = "Line Islands Standard Time"	350393a79bc5ea8f2ea8604df647f0b4e6818ed53f0a0163d32ae21a5692cff4.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-211 = "Pacific Daylight Time"	350393a79bc5ea8f2ea8604df647f0b4e6818ed53f0a0163d32ae21a5692cff4.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-3052 = "Qyzylorda Standard Time"	350393a79bc5ea8f2ea8604df647f0b4e6818ed53f0a0163d32ae21a5692cff4.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1932 = "Russia TZ 11 Standard Time"	350393a79bc5ea8f2ea8604df647f0b4e6818ed53f0a0163d32ae21a5692cff4.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2001 = "Cabo Verde Daylight Time"	350393a79bc5ea8f2ea8604df647f0b4e6818ed53f0a0163d32ae21a5692cff4.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-681 = "E. Australia Daylight Time"	350393a79bc5ea8f2ea8604df647f0b4e6818ed53f0a0163d32ae21a5692cff4.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-191 = "Mountain Daylight Time"	350393a79bc5ea8f2ea8604df647f0b4e6818ed53f0a0163d32ae21a5692cff4.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-122 = "SA Pacific Standard Time"	350393a79bc5ea8f2ea8604df647f0b4e6818ed53f0a0163d32ae21a5692cff4.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-451 = "Caucasus Daylight Time"	350393a79bc5ea8f2ea8604df647f0b4e6818ed53f0a0163d32ae21a5692cff4.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-435 = "Georgian Standard Time"	350393a79bc5ea8f2ea8604df647f0b4e6818ed53f0a0163d32ae21a5692cff4.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1501 = "Turkey Daylight Time"	350393a79bc5ea8f2ea8604df647f0b4e6818ed53f0a0163d32ae21a5692cff4.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2571 = "Turks and Caicos Daylight Time"	350393a79bc5ea8f2ea8604df647f0b4e6818ed53f0a0163d32ae21a5692cff4.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2162 = "Altai Standard Time"	350393a79bc5ea8f2ea8604df647f0b4e6818ed53f0a0163d32ae21a5692cff4.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-142 = "Canada Central Standard Time"	350393a79bc5ea8f2ea8604df647f0b4e6818ed53f0a0163d32ae21a5692cff4.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2181 = "Astrakhan Daylight Time"	350393a79bc5ea8f2ea8604df647f0b4e6818ed53f0a0163d32ae21a5692cff4.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-364 = "Middle East Daylight Time"	350393a79bc5ea8f2ea8604df647f0b4e6818ed53f0a0163d32ae21a5692cff4.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2792 = "Novosibirsk Standard Time"	350393a79bc5ea8f2ea8604df647f0b4e6818ed53f0a0163d32ae21a5692cff4.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-3051 = "Qyzylorda Daylight Time"	350393a79bc5ea8f2ea8604df647f0b4e6818ed53f0a0163d32ae21a5692cff4.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"	350393a79bc5ea8f2ea8604df647f0b4e6818ed53f0a0163d32ae21a5692cff4.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-151 = "Central America Daylight Time"	350393a79bc5ea8f2ea8604df647f0b4e6818ed53f0a0163d32ae21a5692cff4.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2342 = "Haiti Standard Time"	350393a79bc5ea8f2ea8604df647f0b4e6818ed53f0a0163d32ae21a5692cff4.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-661 = "Cen. Australia Daylight Time"	350393a79bc5ea8f2ea8604df647f0b4e6818ed53f0a0163d32ae21a5692cff4.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2892 = "Sudan Standard Time"	350393a79bc5ea8f2ea8604df647f0b4e6818ed53f0a0163d32ae21a5692cff4.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1412 = "Syria Standard Time"	350393a79bc5ea8f2ea8604df647f0b4e6818ed53f0a0163d32ae21a5692cff4.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2532 = "Chatham Islands Standard Time"	350393a79bc5ea8f2ea8604df647f0b4e6818ed53f0a0163d32ae21a5692cff4.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-51 = "Greenland Daylight Time"	350393a79bc5ea8f2ea8604df647f0b4e6818ed53f0a0163d32ae21a5692cff4.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2002 = "Cabo Verde Standard Time"	350393a79bc5ea8f2ea8604df647f0b4e6818ed53f0a0163d32ae21a5692cff4.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-32 = "Mid-Atlantic Standard Time"	350393a79bc5ea8f2ea8604df647f0b4e6818ed53f0a0163d32ae21a5692cff4.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-131 = "US Eastern Daylight Time"	350393a79bc5ea8f2ea8604df647f0b4e6818ed53f0a0163d32ae21a5692cff4.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-402 = "Arabic Standard Time"	350393a79bc5ea8f2ea8604df647f0b4e6818ed53f0a0163d32ae21a5692cff4.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-449 = "Azerbaijan Standard Time"	350393a79bc5ea8f2ea8604df647f0b4e6818ed53f0a0163d32ae21a5692cff4.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-372 = "Jerusalem Standard Time"	350393a79bc5ea8f2ea8604df647f0b4e6818ed53f0a0163d32ae21a5692cff4.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-384 = "Namibia Daylight Time"	350393a79bc5ea8f2ea8604df647f0b4e6818ed53f0a0163d32ae21a5692cff4.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-281 = "Central Europe Daylight Time"	350393a79bc5ea8f2ea8604df647f0b4e6818ed53f0a0163d32ae21a5692cff4.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-161 = "Central Daylight Time"	350393a79bc5ea8f2ea8604df647f0b4e6818ed53f0a0163d32ae21a5692cff4.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"	350393a79bc5ea8f2ea8604df647f0b4e6818ed53f0a0163d32ae21a5692cff4.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1891 = "Russia TZ 3 Daylight Time"	350393a79bc5ea8f2ea8604df647f0b4e6818ed53f0a0163d32ae21a5692cff4.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-562 = "SE Asia Standard Time"	350393a79bc5ea8f2ea8604df647f0b4e6818ed53f0a0163d32ae21a5692cff4.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2061 = "North Korea Daylight Time"	350393a79bc5ea8f2ea8604df647f0b4e6818ed53f0a0163d32ae21a5692cff4.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2772 = "Omsk Standard Time"	350393a79bc5ea8f2ea8604df647f0b4e6818ed53f0a0163d32ae21a5692cff4.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1721 = "Libya Daylight Time"	350393a79bc5ea8f2ea8604df647f0b4e6818ed53f0a0163d32ae21a5692cff4.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-891 = "Morocco Daylight Time"	350393a79bc5ea8f2ea8604df647f0b4e6818ed53f0a0163d32ae21a5692cff4.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1502 = "Turkey Standard Time"	350393a79bc5ea8f2ea8604df647f0b4e6818ed53f0a0163d32ae21a5692cff4.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-512 = "Central Asia Standard Time"	350393a79bc5ea8f2ea8604df647f0b4e6818ed53f0a0163d32ae21a5692cff4.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2041 = "Eastern Daylight Time (Mexico)"	350393a79bc5ea8f2ea8604df647f0b4e6818ed53f0a0163d32ae21a5692cff4.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2161 = "Altai Daylight Time"	350393a79bc5ea8f2ea8604df647f0b4e6818ed53f0a0163d32ae21a5692cff4.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-251 = "Dateline Daylight Time"	350393a79bc5ea8f2ea8604df647f0b4e6818ed53f0a0163d32ae21a5692cff4.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2372 = "Easter Island Standard Time"	350393a79bc5ea8f2ea8604df647f0b4e6818ed53f0a0163d32ae21a5692cff4.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2412 = "Marquesas Standard Time"	350393a79bc5ea8f2ea8604df647f0b4e6818ed53f0a0163d32ae21a5692cff4.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-171 = "Central Daylight Time (Mexico)"	350393a79bc5ea8f2ea8604df647f0b4e6818ed53f0a0163d32ae21a5692cff4.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-572 = "China Standard Time"	350393a79bc5ea8f2ea8604df647f0b4e6818ed53f0a0163d32ae21a5692cff4.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-111 = "Eastern Daylight Time"	350393a79bc5ea8f2ea8604df647f0b4e6818ed53f0a0163d32ae21a5692cff4.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1862 = "Russia TZ 6 Standard Time"	350393a79bc5ea8f2ea8604df647f0b4e6818ed53f0a0163d32ae21a5692cff4.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-871 = "Pakistan Daylight Time"	350393a79bc5ea8f2ea8604df647f0b4e6818ed53f0a0163d32ae21a5692cff4.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2451 = "Saint Pierre Daylight Time"	350393a79bc5ea8f2ea8604df647f0b4e6818ed53f0a0163d32ae21a5692cff4.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2891 = "Sudan Daylight Time"	350393a79bc5ea8f2ea8604df647f0b4e6818ed53f0a0163d32ae21a5692cff4.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2611 = "Bougainville Daylight Time"	350393a79bc5ea8f2ea8604df647f0b4e6818ed53f0a0163d32ae21a5692cff4.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

350393a79bc5ea8f2ea8604df647f0b4e6818ed53f0a0163d32ae21a5692cff4.exe350393a79bc5ea8f2ea8604df647f0b4e6818ed53f0a0163d32ae21a5692cff4.exeinjector.execsrss.exe

pid	process
4476	350393a79bc5ea8f2ea8604df647f0b4e6818ed53f0a0163d32ae21a5692cff4.exe
4476	350393a79bc5ea8f2ea8604df647f0b4e6818ed53f0a0163d32ae21a5692cff4.exe
344	350393a79bc5ea8f2ea8604df647f0b4e6818ed53f0a0163d32ae21a5692cff4.exe
344	350393a79bc5ea8f2ea8604df647f0b4e6818ed53f0a0163d32ae21a5692cff4.exe
344	350393a79bc5ea8f2ea8604df647f0b4e6818ed53f0a0163d32ae21a5692cff4.exe
344	350393a79bc5ea8f2ea8604df647f0b4e6818ed53f0a0163d32ae21a5692cff4.exe
344	350393a79bc5ea8f2ea8604df647f0b4e6818ed53f0a0163d32ae21a5692cff4.exe
344	350393a79bc5ea8f2ea8604df647f0b4e6818ed53f0a0163d32ae21a5692cff4.exe
344	350393a79bc5ea8f2ea8604df647f0b4e6818ed53f0a0163d32ae21a5692cff4.exe
344	350393a79bc5ea8f2ea8604df647f0b4e6818ed53f0a0163d32ae21a5692cff4.exe
344	350393a79bc5ea8f2ea8604df647f0b4e6818ed53f0a0163d32ae21a5692cff4.exe
344	350393a79bc5ea8f2ea8604df647f0b4e6818ed53f0a0163d32ae21a5692cff4.exe
4376	injector.exe
4376	injector.exe
4376	injector.exe
4376	injector.exe
4376	injector.exe
4376	injector.exe
3844	csrss.exe
3844	csrss.exe
4376	injector.exe
4376	injector.exe
4376	injector.exe
4376	injector.exe
4376	injector.exe
4376	injector.exe
3844	csrss.exe
3844	csrss.exe
4376	injector.exe
4376	injector.exe
4376	injector.exe
4376	injector.exe
4376	injector.exe
4376	injector.exe
4376	injector.exe
4376	injector.exe
4376	injector.exe
4376	injector.exe
4376	injector.exe
4376	injector.exe
4376	injector.exe
4376	injector.exe
4376	injector.exe
4376	injector.exe
4376	injector.exe
4376	injector.exe
4376	injector.exe
4376	injector.exe
4376	injector.exe
4376	injector.exe
4376	injector.exe
4376	injector.exe
4376	injector.exe
4376	injector.exe
4376	injector.exe
4376	injector.exe
4376	injector.exe
4376	injector.exe
4376	injector.exe
4376	injector.exe
4376	injector.exe
4376	injector.exe
4376	injector.exe
4376	injector.exe

Suspicious use of AdjustPrivilegeToken 25 IoCs

Processes:

350393a79bc5ea8f2ea8604df647f0b4e6818ed53f0a0163d32ae21a5692cff4.exesvchost.execsrss.exe

description	pid	process
Token: SeDebugPrivilege	4476	350393a79bc5ea8f2ea8604df647f0b4e6818ed53f0a0163d32ae21a5692cff4.exe
Token: SeImpersonatePrivilege	4476	350393a79bc5ea8f2ea8604df647f0b4e6818ed53f0a0163d32ae21a5692cff4.exe
Token: SeTcbPrivilege	1132	svchost.exe
Token: SeTcbPrivilege	1132	svchost.exe
Token: SeBackupPrivilege	1132	svchost.exe
Token: SeRestorePrivilege	1132	svchost.exe
Token: SeBackupPrivilege	1132	svchost.exe
Token: SeRestorePrivilege	1132	svchost.exe
Token: SeBackupPrivilege	1132	svchost.exe
Token: SeRestorePrivilege	1132	svchost.exe
Token: SeBackupPrivilege	1132	svchost.exe
Token: SeRestorePrivilege	1132	svchost.exe
Token: SeSystemEnvironmentPrivilege	3844	csrss.exe
Token: SeBackupPrivilege	1132	svchost.exe
Token: SeRestorePrivilege	1132	svchost.exe
Token: SeBackupPrivilege	1132	svchost.exe
Token: SeRestorePrivilege	1132	svchost.exe
Token: SeBackupPrivilege	1132	svchost.exe
Token: SeRestorePrivilege	1132	svchost.exe
Token: SeBackupPrivilege	1132	svchost.exe
Token: SeRestorePrivilege	1132	svchost.exe
Token: SeBackupPrivilege	1132	svchost.exe
Token: SeRestorePrivilege	1132	svchost.exe
Token: SeBackupPrivilege	1132	svchost.exe
Token: SeRestorePrivilege	1132	svchost.exe

Suspicious use of WriteProcessMemory 25 IoCs

Processes:

svchost.exe350393a79bc5ea8f2ea8604df647f0b4e6818ed53f0a0163d32ae21a5692cff4.execmd.execsrss.exe

description	pid	process	target process
PID 1132 wrote to memory of 344	1132	svchost.exe	350393a79bc5ea8f2ea8604df647f0b4e6818ed53f0a0163d32ae21a5692cff4.exe
PID 1132 wrote to memory of 344	1132	svchost.exe	350393a79bc5ea8f2ea8604df647f0b4e6818ed53f0a0163d32ae21a5692cff4.exe
PID 1132 wrote to memory of 344	1132	svchost.exe	350393a79bc5ea8f2ea8604df647f0b4e6818ed53f0a0163d32ae21a5692cff4.exe
PID 344 wrote to memory of 5008	344	350393a79bc5ea8f2ea8604df647f0b4e6818ed53f0a0163d32ae21a5692cff4.exe	cmd.exe
PID 344 wrote to memory of 5008	344	350393a79bc5ea8f2ea8604df647f0b4e6818ed53f0a0163d32ae21a5692cff4.exe	cmd.exe
PID 5008 wrote to memory of 2868	5008	cmd.exe	netsh.exe
PID 5008 wrote to memory of 2868	5008	cmd.exe	netsh.exe
PID 344 wrote to memory of 3844	344	350393a79bc5ea8f2ea8604df647f0b4e6818ed53f0a0163d32ae21a5692cff4.exe	csrss.exe
PID 344 wrote to memory of 3844	344	350393a79bc5ea8f2ea8604df647f0b4e6818ed53f0a0163d32ae21a5692cff4.exe	csrss.exe
PID 344 wrote to memory of 3844	344	350393a79bc5ea8f2ea8604df647f0b4e6818ed53f0a0163d32ae21a5692cff4.exe	csrss.exe
PID 1132 wrote to memory of 3268	1132	svchost.exe	schtasks.exe
PID 1132 wrote to memory of 3268	1132	svchost.exe	schtasks.exe
PID 1132 wrote to memory of 1320	1132	svchost.exe	schtasks.exe
PID 1132 wrote to memory of 1320	1132	svchost.exe	schtasks.exe
PID 3844 wrote to memory of 4376	3844	csrss.exe	injector.exe
PID 3844 wrote to memory of 4376	3844	csrss.exe	injector.exe
PID 1132 wrote to memory of 4800	1132	svchost.exe	schtasks.exe
PID 1132 wrote to memory of 4800	1132	svchost.exe	schtasks.exe
PID 3844 wrote to memory of 4796	3844	csrss.exe	f801950a962ddba14caaa44bf084b55c.exe
PID 3844 wrote to memory of 4796	3844	csrss.exe	f801950a962ddba14caaa44bf084b55c.exe
PID 3844 wrote to memory of 4796	3844	csrss.exe	f801950a962ddba14caaa44bf084b55c.exe
PID 1132 wrote to memory of 3956	1132	svchost.exe	schtasks.exe
PID 1132 wrote to memory of 3956	1132	svchost.exe	schtasks.exe
PID 1132 wrote to memory of 2404	1132	svchost.exe	schtasks.exe
PID 1132 wrote to memory of 2404	1132	svchost.exe	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\350393a79bc5ea8f2ea8604df647f0b4e6818ed53f0a0163d32ae21a5692cff4.exe
"C:\Users\Admin\AppData\Local\Temp\350393a79bc5ea8f2ea8604df647f0b4e6818ed53f0a0163d32ae21a5692cff4.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4476

C:\Users\Admin\AppData\Local\Temp\350393a79bc5ea8f2ea8604df647f0b4e6818ed53f0a0163d32ae21a5692cff4.exe
"C:\Users\Admin\AppData\Local\Temp\350393a79bc5ea8f2ea8604df647f0b4e6818ed53f0a0163d32ae21a5692cff4.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:344

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:5008

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:2868

C:\Windows\rss\csrss.exe
C:\Windows\rss\csrss.exe
3⤵
- Executes dropped EXE
- Adds Run key to start application
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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:3268

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:4376

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:4800

C:\Users\Admin\AppData\Local\Temp\csrss\f801950a962ddba14caaa44bf084b55c.exe
C:\Users\Admin\AppData\Local\Temp\csrss\f801950a962ddba14caaa44bf084b55c.exe
4⤵
- Executes dropped EXE
PID:4796

C:\Windows\SYSTEM32\schtasks.exe
schtasks /delete /tn "csrss" /f
5⤵
PID:3956

C:\Windows\SYSTEM32\schtasks.exe
schtasks /delete /tn "ScheduledUpdate" /f
5⤵
PID:2404

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 344 -s 668
3⤵
- Program crash
PID:3952

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4476 -s 920
2⤵
- Program crash
PID:3392

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:1132

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 4476 -ip 4476
1⤵
PID:2708

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 344 -ip 344
1⤵
PID:3732

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Modify Existing Service

1

T1031

Registry Run Keys / Startup Folder

Scheduled Task

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Modify Registry

Web Service

Credential Access

Discovery

Query Registry

1

T1012

Lateral Movement

Collection

Command and Control

Web Service

1

T1102

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\csrss\f801950a962ddba14caaa44bf084b55c.exe
Filesize
3.2MB

MD5
f801950a962ddba14caaa44bf084b55c

SHA1
7cadc9076121297428442785536ba0df2d4ae996

SHA256
c3946ec89e15b24b743c46f9acacb58cff47da63f3ce2799d71ed90496b8891f

SHA512
4183bc76bdc84fb779e2e573d9a63d7de47096b63b945f9e335bee95ae28eb208f5ee15f6501ac59623b97c5b77f3455ca313512e7d9803e1704ae22a52459c5

Download Submit
C:\Users\Admin\AppData\Local\Temp\csrss\f801950a962ddba14caaa44bf084b55c.exe
Filesize
3.2MB

MD5
f801950a962ddba14caaa44bf084b55c

SHA1
7cadc9076121297428442785536ba0df2d4ae996

SHA256
c3946ec89e15b24b743c46f9acacb58cff47da63f3ce2799d71ed90496b8891f

SHA512
4183bc76bdc84fb779e2e573d9a63d7de47096b63b945f9e335bee95ae28eb208f5ee15f6501ac59623b97c5b77f3455ca313512e7d9803e1704ae22a52459c5

Download Submit
C:\Users\Admin\AppData\Local\Temp\csrss\injector\NtQuerySystemInformationHook.dll
Filesize
99KB

MD5
09031a062610d77d685c9934318b4170

SHA1
880f744184e7774f3d14c1bb857e21cc7fe89a6d

SHA256
778bd69af403df3c4e074c31b3850d71bf0e64524bea4272a802ca9520b379dd

SHA512
9a276e1f0f55d35f2bf38eb093464f7065bdd30a660e6d1c62eed5e76d1fb2201567b89d9ae65d2d89dc99b142159e36fb73be8d5e08252a975d50544a7cda27

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

MD5
d98e33b66343e7c96158444127a117f6

SHA1
bb716c5509a2bf345c6c1152f6e3e1452d39d50d

SHA256
5de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1

SHA512
705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5

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

MD5
d98e33b66343e7c96158444127a117f6

SHA1
bb716c5509a2bf345c6c1152f6e3e1452d39d50d

SHA256
5de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1

SHA512
705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5

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

MD5
a227cab756cc7c78af2a32710ba87d02

SHA1
d88c471e8b2cd37ffabf7e6460b9e2ac48f42e71

SHA256
350393a79bc5ea8f2ea8604df647f0b4e6818ed53f0a0163d32ae21a5692cff4

SHA512
f44ae4e21e99a0fbbf2c33134b4ebcb7c2cd15e693c902ad9a7697d43f798c704080511b970acc629edfa957d3439358dd9ff59ff5e3444ced63afff17c27ab2

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

MD5
a227cab756cc7c78af2a32710ba87d02

SHA1
d88c471e8b2cd37ffabf7e6460b9e2ac48f42e71

SHA256
350393a79bc5ea8f2ea8604df647f0b4e6818ed53f0a0163d32ae21a5692cff4

SHA512
f44ae4e21e99a0fbbf2c33134b4ebcb7c2cd15e693c902ad9a7697d43f798c704080511b970acc629edfa957d3439358dd9ff59ff5e3444ced63afff17c27ab2

Download Submit
memory/344-140-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/344-139-0x0000000002AC5000-0x0000000002EAE000-memory.dmp

Filesize
3.9MB

Download
memory/344-144-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/344-135-0x0000000000000000-mapping.dmp

Download
memory/1320-147-0x0000000000000000-mapping.dmp

Download
memory/2404-160-0x0000000000000000-mapping.dmp

Download
memory/2868-138-0x0000000000000000-mapping.dmp

Download
memory/3268-146-0x0000000000000000-mapping.dmp

Download
memory/3844-158-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/3844-145-0x0000000002E00000-0x00000000031E9000-memory.dmp

Filesize
3.9MB

Download
memory/3844-141-0x0000000000000000-mapping.dmp

Download
memory/3844-148-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/3844-153-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/3956-159-0x0000000000000000-mapping.dmp

Download
memory/4376-149-0x0000000000000000-mapping.dmp

Download
memory/4476-134-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/4476-132-0x00000000029B6000-0x0000000002D9F000-memory.dmp

Filesize
3.9MB

Download
memory/4476-136-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/4476-133-0x0000000002DA0000-0x0000000003617000-memory.dmp

Filesize
8.5MB

Download
memory/4796-154-0x0000000000000000-mapping.dmp

Download
memory/4796-157-0x0000000000400000-0x0000000000C25000-memory.dmp

Filesize
8.1MB

Download
memory/4796-161-0x0000000000400000-0x0000000000C25000-memory.dmp

Filesize
8.1MB

Download
memory/4796-163-0x0000000000400000-0x0000000000C25000-memory.dmp

Filesize
8.1MB

Download
memory/4800-152-0x0000000000000000-mapping.dmp

Download
memory/5008-137-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads