glupteba | 4e0dbc8831e3e3d2b4fe56069b5384e4dbf245716705a4f5465121e5040fe1ae

General

Target

4e0dbc8831e3e3d2b4fe56069b5384e4dbf245716705a4f5465121e5040fe1ae.exe
Size

4.0MB
MD5

35c19c03e460ccffc543c3de46cd12e8
SHA1

61b5b3970570a2104cc61706150a17e9892aa4b7
SHA256

4e0dbc8831e3e3d2b4fe56069b5384e4dbf245716705a4f5465121e5040fe1ae
SHA512

b0f0a4f225cddc7076188968fdfcab130277442c7186c23fff39f1424f1cb916e7e9a7de0844ad6adcc552d0a1d95df02073b3b212f167ad9cc044a0325bfa79
SSDEEP

98304:v8dodhtYG03voWFg2nOkS9XHodYqODR4G372YmH+TNf9BUO:v8doLtH0/bg2OkS9XHodYqMRfL2YmIbf

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 840 created 4968	840	svchost.exe	4e0dbc8831e3e3d2b4fe56069b5384e4dbf245716705a4f5465121e5040fe1ae.exe
PID 840 created 3644	840	svchost.exe	csrss.exe
PID 840 created 3644	840	svchost.exe	csrss.exe
PID 840 created 3644	840	svchost.exe	csrss.exe
PID 840 created 2084	840	svchost.exe	f801950a962ddba14caaa44bf084b55c.exe
PID 840 created 2084	840	svchost.exe	f801950a962ddba14caaa44bf084b55c.exe

Modifies Windows Firewall 1 TTPs 1 IoCs
evasion

Modify Existing Service
T1031

Processes:

netsh.exe

pid process

1284 netsh.exe
Executes dropped EXE 3 IoCs

Processes:

csrss.exeinjector.exef801950a962ddba14caaa44bf084b55c.exe

pid process

3644 csrss.exe
3224 injector.exe
2084 f801950a962ddba14caaa44bf084b55c.exe

pid	process
1284	netsh.exe

pid	process
3644	csrss.exe
3224	injector.exe
2084	f801950a962ddba14caaa44bf084b55c.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/2084-157-0x0000000000400000-0x0000000000C25000-memory.dmp	upx
behavioral1/memory/2084-161-0x0000000000400000-0x0000000000C25000-memory.dmp	upx
behavioral1/memory/2084-163-0x0000000000400000-0x0000000000C25000-memory.dmp	upx

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

4e0dbc8831e3e3d2b4fe56069b5384e4dbf245716705a4f5465121e5040fe1ae.execsrss.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\""	4e0dbc8831e3e3d2b4fe56069b5384e4dbf245716705a4f5465121e5040fe1ae.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\""	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:

4e0dbc8831e3e3d2b4fe56069b5384e4dbf245716705a4f5465121e5040fe1ae.exe

description	ioc	process
File opened for modification	C:\Windows\rss	4e0dbc8831e3e3d2b4fe56069b5384e4dbf245716705a4f5465121e5040fe1ae.exe
File created	C:\Windows\rss\csrss.exe	4e0dbc8831e3e3d2b4fe56069b5384e4dbf245716705a4f5465121e5040fe1ae.exe

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

4136 4968 WerFault.exe 4e0dbc8831e3e3d2b4fe56069b5384e4dbf245716705a4f5465121e5040fe1ae.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

4504 schtasks.exe
1644 schtasks.exe

pid	pid_target	process	target process
4136	4968	WerFault.exe	4e0dbc8831e3e3d2b4fe56069b5384e4dbf245716705a4f5465121e5040fe1ae.exe

pid	process
4504	schtasks.exe
1644	schtasks.exe

Modifies data under HKEY_USERS 64 IoCs

Processes:

4e0dbc8831e3e3d2b4fe56069b5384e4dbf245716705a4f5465121e5040fe1ae.execsrss.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1831 = "Russia TZ 2 Daylight Time"	4e0dbc8831e3e3d2b4fe56069b5384e4dbf245716705a4f5465121e5040fe1ae.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-932 = "Coordinated Universal Time"	4e0dbc8831e3e3d2b4fe56069b5384e4dbf245716705a4f5465121e5040fe1ae.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-392 = "Arab Standard Time"	4e0dbc8831e3e3d2b4fe56069b5384e4dbf245716705a4f5465121e5040fe1ae.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-11 = "Azores Daylight Time"	4e0dbc8831e3e3d2b4fe56069b5384e4dbf245716705a4f5465121e5040fe1ae.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-352 = "FLE Standard Time"	4e0dbc8831e3e3d2b4fe56069b5384e4dbf245716705a4f5465121e5040fe1ae.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-181 = "Mountain Daylight Time (Mexico)"	4e0dbc8831e3e3d2b4fe56069b5384e4dbf245716705a4f5465121e5040fe1ae.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-501 = "Nepal Daylight Time"	4e0dbc8831e3e3d2b4fe56069b5384e4dbf245716705a4f5465121e5040fe1ae.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2162 = "Altai Standard Time"	4e0dbc8831e3e3d2b4fe56069b5384e4dbf245716705a4f5465121e5040fe1ae.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-131 = "US Eastern Daylight Time"	4e0dbc8831e3e3d2b4fe56069b5384e4dbf245716705a4f5465121e5040fe1ae.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA	csrss.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,-222 = "Alaskan Standard Time"	4e0dbc8831e3e3d2b4fe56069b5384e4dbf245716705a4f5465121e5040fe1ae.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-82 = "Atlantic Standard Time"	4e0dbc8831e3e3d2b4fe56069b5384e4dbf245716705a4f5465121e5040fe1ae.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-282 = "Central Europe Standard Time"	4e0dbc8831e3e3d2b4fe56069b5384e4dbf245716705a4f5465121e5040fe1ae.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-741 = "New Zealand Daylight Time"	4e0dbc8831e3e3d2b4fe56069b5384e4dbf245716705a4f5465121e5040fe1ae.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-162 = "Central Standard Time"	4e0dbc8831e3e3d2b4fe56069b5384e4dbf245716705a4f5465121e5040fe1ae.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2412 = "Marquesas Standard Time"	4e0dbc8831e3e3d2b4fe56069b5384e4dbf245716705a4f5465121e5040fe1ae.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-931 = "Coordinated Universal Time"	4e0dbc8831e3e3d2b4fe56069b5384e4dbf245716705a4f5465121e5040fe1ae.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2871 = "Magallanes Daylight Time"	4e0dbc8831e3e3d2b4fe56069b5384e4dbf245716705a4f5465121e5040fe1ae.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-242 = "Samoa Standard Time"	4e0dbc8831e3e3d2b4fe56069b5384e4dbf245716705a4f5465121e5040fe1ae.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2391 = "Aleutian Daylight Time"	4e0dbc8831e3e3d2b4fe56069b5384e4dbf245716705a4f5465121e5040fe1ae.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-651 = "AUS Central Daylight Time"	4e0dbc8831e3e3d2b4fe56069b5384e4dbf245716705a4f5465121e5040fe1ae.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1722 = "Libya Standard Time"	4e0dbc8831e3e3d2b4fe56069b5384e4dbf245716705a4f5465121e5040fe1ae.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-681 = "E. Australia Daylight Time"	4e0dbc8831e3e3d2b4fe56069b5384e4dbf245716705a4f5465121e5040fe1ae.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"	4e0dbc8831e3e3d2b4fe56069b5384e4dbf245716705a4f5465121e5040fe1ae.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-731 = "Fiji Daylight Time"	4e0dbc8831e3e3d2b4fe56069b5384e4dbf245716705a4f5465121e5040fe1ae.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-652 = "AUS Central Standard Time"	4e0dbc8831e3e3d2b4fe56069b5384e4dbf245716705a4f5465121e5040fe1ae.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2002 = "Cabo Verde Standard Time"	4e0dbc8831e3e3d2b4fe56069b5384e4dbf245716705a4f5465121e5040fe1ae.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-661 = "Cen. Australia Daylight Time"	4e0dbc8831e3e3d2b4fe56069b5384e4dbf245716705a4f5465121e5040fe1ae.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-721 = "Central Pacific Daylight Time"	4e0dbc8831e3e3d2b4fe56069b5384e4dbf245716705a4f5465121e5040fe1ae.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-682 = "E. Australia Standard Time"	4e0dbc8831e3e3d2b4fe56069b5384e4dbf245716705a4f5465121e5040fe1ae.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-351 = "FLE Daylight Time"	4e0dbc8831e3e3d2b4fe56069b5384e4dbf245716705a4f5465121e5040fe1ae.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2942 = "Sao Tome Standard Time"	4e0dbc8831e3e3d2b4fe56069b5384e4dbf245716705a4f5465121e5040fe1ae.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1021 = "Bangladesh Daylight Time"	4e0dbc8831e3e3d2b4fe56069b5384e4dbf245716705a4f5465121e5040fe1ae.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2001 = "Cabo Verde Daylight Time"	4e0dbc8831e3e3d2b4fe56069b5384e4dbf245716705a4f5465121e5040fe1ae.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1721 = "Libya Daylight Time"	4e0dbc8831e3e3d2b4fe56069b5384e4dbf245716705a4f5465121e5040fe1ae.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-152 = "Central America Standard Time"	4e0dbc8831e3e3d2b4fe56069b5384e4dbf245716705a4f5465121e5040fe1ae.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-334 = "Jordan Daylight Time"	4e0dbc8831e3e3d2b4fe56069b5384e4dbf245716705a4f5465121e5040fe1ae.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-192 = "Mountain Standard Time"	4e0dbc8831e3e3d2b4fe56069b5384e4dbf245716705a4f5465121e5040fe1ae.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2062 = "North Korea Standard Time"	4e0dbc8831e3e3d2b4fe56069b5384e4dbf245716705a4f5465121e5040fe1ae.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs	csrss.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"	4e0dbc8831e3e3d2b4fe56069b5384e4dbf245716705a4f5465121e5040fe1ae.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-792 = "SA Western Standard Time"	4e0dbc8831e3e3d2b4fe56069b5384e4dbf245716705a4f5465121e5040fe1ae.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-751 = "Tonga Daylight Time"	4e0dbc8831e3e3d2b4fe56069b5384e4dbf245716705a4f5465121e5040fe1ae.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"	4e0dbc8831e3e3d2b4fe56069b5384e4dbf245716705a4f5465121e5040fe1ae.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-452 = "Caucasus Standard Time"	4e0dbc8831e3e3d2b4fe56069b5384e4dbf245716705a4f5465121e5040fe1ae.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-104 = "Central Brazilian Daylight Time"	4e0dbc8831e3e3d2b4fe56069b5384e4dbf245716705a4f5465121e5040fe1ae.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-571 = "China Daylight Time"	4e0dbc8831e3e3d2b4fe56069b5384e4dbf245716705a4f5465121e5040fe1ae.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-461 = "Afghanistan Daylight Time"	4e0dbc8831e3e3d2b4fe56069b5384e4dbf245716705a4f5465121e5040fe1ae.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-491 = "India Daylight Time"	4e0dbc8831e3e3d2b4fe56069b5384e4dbf245716705a4f5465121e5040fe1ae.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1661 = "Bahia Daylight Time"	4e0dbc8831e3e3d2b4fe56069b5384e4dbf245716705a4f5465121e5040fe1ae.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"	4e0dbc8831e3e3d2b4fe56069b5384e4dbf245716705a4f5465121e5040fe1ae.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"	4e0dbc8831e3e3d2b4fe56069b5384e4dbf245716705a4f5465121e5040fe1ae.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-591 = "Malay Peninsula Daylight Time"	4e0dbc8831e3e3d2b4fe56069b5384e4dbf245716705a4f5465121e5040fe1ae.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2751 = "Tomsk Daylight Time"	4e0dbc8831e3e3d2b4fe56069b5384e4dbf245716705a4f5465121e5040fe1ae.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-401 = "Arabic Daylight Time"	4e0dbc8831e3e3d2b4fe56069b5384e4dbf245716705a4f5465121e5040fe1ae.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-384 = "Namibia Daylight Time"	4e0dbc8831e3e3d2b4fe56069b5384e4dbf245716705a4f5465121e5040fe1ae.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1022 = "Bangladesh Standard Time"	4e0dbc8831e3e3d2b4fe56069b5384e4dbf245716705a4f5465121e5040fe1ae.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

4e0dbc8831e3e3d2b4fe56069b5384e4dbf245716705a4f5465121e5040fe1ae.exe4e0dbc8831e3e3d2b4fe56069b5384e4dbf245716705a4f5465121e5040fe1ae.exeinjector.execsrss.exe

pid	process
4968	4e0dbc8831e3e3d2b4fe56069b5384e4dbf245716705a4f5465121e5040fe1ae.exe
4968	4e0dbc8831e3e3d2b4fe56069b5384e4dbf245716705a4f5465121e5040fe1ae.exe
1296	4e0dbc8831e3e3d2b4fe56069b5384e4dbf245716705a4f5465121e5040fe1ae.exe
1296	4e0dbc8831e3e3d2b4fe56069b5384e4dbf245716705a4f5465121e5040fe1ae.exe
1296	4e0dbc8831e3e3d2b4fe56069b5384e4dbf245716705a4f5465121e5040fe1ae.exe
1296	4e0dbc8831e3e3d2b4fe56069b5384e4dbf245716705a4f5465121e5040fe1ae.exe
1296	4e0dbc8831e3e3d2b4fe56069b5384e4dbf245716705a4f5465121e5040fe1ae.exe
1296	4e0dbc8831e3e3d2b4fe56069b5384e4dbf245716705a4f5465121e5040fe1ae.exe
1296	4e0dbc8831e3e3d2b4fe56069b5384e4dbf245716705a4f5465121e5040fe1ae.exe
1296	4e0dbc8831e3e3d2b4fe56069b5384e4dbf245716705a4f5465121e5040fe1ae.exe
1296	4e0dbc8831e3e3d2b4fe56069b5384e4dbf245716705a4f5465121e5040fe1ae.exe
1296	4e0dbc8831e3e3d2b4fe56069b5384e4dbf245716705a4f5465121e5040fe1ae.exe
3224	injector.exe
3224	injector.exe
3224	injector.exe
3224	injector.exe
3224	injector.exe
3224	injector.exe
3224	injector.exe
3224	injector.exe
3644	csrss.exe
3644	csrss.exe
3224	injector.exe
3224	injector.exe
3224	injector.exe
3224	injector.exe
3224	injector.exe
3224	injector.exe
3644	csrss.exe
3644	csrss.exe
3224	injector.exe
3224	injector.exe
3224	injector.exe
3224	injector.exe
3224	injector.exe
3224	injector.exe
3224	injector.exe
3224	injector.exe
3224	injector.exe
3224	injector.exe
3224	injector.exe
3224	injector.exe
3224	injector.exe
3224	injector.exe
3224	injector.exe
3224	injector.exe
3224	injector.exe
3224	injector.exe
3224	injector.exe
3224	injector.exe
3224	injector.exe
3224	injector.exe
3224	injector.exe
3224	injector.exe
3224	injector.exe
3224	injector.exe
3224	injector.exe
3224	injector.exe
3224	injector.exe
3224	injector.exe
3224	injector.exe
3224	injector.exe
3224	injector.exe
3224	injector.exe

Suspicious use of AdjustPrivilegeToken 25 IoCs

Processes:

4e0dbc8831e3e3d2b4fe56069b5384e4dbf245716705a4f5465121e5040fe1ae.exesvchost.execsrss.exe

description	pid	process
Token: SeDebugPrivilege	4968	4e0dbc8831e3e3d2b4fe56069b5384e4dbf245716705a4f5465121e5040fe1ae.exe
Token: SeImpersonatePrivilege	4968	4e0dbc8831e3e3d2b4fe56069b5384e4dbf245716705a4f5465121e5040fe1ae.exe
Token: SeTcbPrivilege	840	svchost.exe
Token: SeTcbPrivilege	840	svchost.exe
Token: SeBackupPrivilege	840	svchost.exe
Token: SeRestorePrivilege	840	svchost.exe
Token: SeBackupPrivilege	840	svchost.exe
Token: SeRestorePrivilege	840	svchost.exe
Token: SeBackupPrivilege	840	svchost.exe
Token: SeRestorePrivilege	840	svchost.exe
Token: SeBackupPrivilege	840	svchost.exe
Token: SeRestorePrivilege	840	svchost.exe
Token: SeSystemEnvironmentPrivilege	3644	csrss.exe
Token: SeBackupPrivilege	840	svchost.exe
Token: SeRestorePrivilege	840	svchost.exe
Token: SeBackupPrivilege	840	svchost.exe
Token: SeRestorePrivilege	840	svchost.exe
Token: SeBackupPrivilege	840	svchost.exe
Token: SeRestorePrivilege	840	svchost.exe
Token: SeBackupPrivilege	840	svchost.exe
Token: SeRestorePrivilege	840	svchost.exe
Token: SeBackupPrivilege	840	svchost.exe
Token: SeRestorePrivilege	840	svchost.exe
Token: SeBackupPrivilege	840	svchost.exe
Token: SeRestorePrivilege	840	svchost.exe

Suspicious use of WriteProcessMemory 25 IoCs

Processes:

svchost.exe4e0dbc8831e3e3d2b4fe56069b5384e4dbf245716705a4f5465121e5040fe1ae.execmd.execsrss.exe

description	pid	process	target process
PID 840 wrote to memory of 1296	840	svchost.exe	4e0dbc8831e3e3d2b4fe56069b5384e4dbf245716705a4f5465121e5040fe1ae.exe
PID 840 wrote to memory of 1296	840	svchost.exe	4e0dbc8831e3e3d2b4fe56069b5384e4dbf245716705a4f5465121e5040fe1ae.exe
PID 840 wrote to memory of 1296	840	svchost.exe	4e0dbc8831e3e3d2b4fe56069b5384e4dbf245716705a4f5465121e5040fe1ae.exe
PID 1296 wrote to memory of 5024	1296	4e0dbc8831e3e3d2b4fe56069b5384e4dbf245716705a4f5465121e5040fe1ae.exe	cmd.exe
PID 1296 wrote to memory of 5024	1296	4e0dbc8831e3e3d2b4fe56069b5384e4dbf245716705a4f5465121e5040fe1ae.exe	cmd.exe
PID 5024 wrote to memory of 1284	5024	cmd.exe	netsh.exe
PID 5024 wrote to memory of 1284	5024	cmd.exe	netsh.exe
PID 1296 wrote to memory of 3644	1296	4e0dbc8831e3e3d2b4fe56069b5384e4dbf245716705a4f5465121e5040fe1ae.exe	csrss.exe
PID 1296 wrote to memory of 3644	1296	4e0dbc8831e3e3d2b4fe56069b5384e4dbf245716705a4f5465121e5040fe1ae.exe	csrss.exe
PID 1296 wrote to memory of 3644	1296	4e0dbc8831e3e3d2b4fe56069b5384e4dbf245716705a4f5465121e5040fe1ae.exe	csrss.exe
PID 840 wrote to memory of 4504	840	svchost.exe	schtasks.exe
PID 840 wrote to memory of 4504	840	svchost.exe	schtasks.exe
PID 840 wrote to memory of 1552	840	svchost.exe	schtasks.exe
PID 840 wrote to memory of 1552	840	svchost.exe	schtasks.exe
PID 3644 wrote to memory of 3224	3644	csrss.exe	injector.exe
PID 3644 wrote to memory of 3224	3644	csrss.exe	injector.exe
PID 840 wrote to memory of 1644	840	svchost.exe	schtasks.exe
PID 840 wrote to memory of 1644	840	svchost.exe	schtasks.exe
PID 3644 wrote to memory of 2084	3644	csrss.exe	f801950a962ddba14caaa44bf084b55c.exe
PID 3644 wrote to memory of 2084	3644	csrss.exe	f801950a962ddba14caaa44bf084b55c.exe
PID 3644 wrote to memory of 2084	3644	csrss.exe	f801950a962ddba14caaa44bf084b55c.exe
PID 840 wrote to memory of 1148	840	svchost.exe	schtasks.exe
PID 840 wrote to memory of 1148	840	svchost.exe	schtasks.exe
PID 840 wrote to memory of 3796	840	svchost.exe	schtasks.exe
PID 840 wrote to memory of 3796	840	svchost.exe	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\4e0dbc8831e3e3d2b4fe56069b5384e4dbf245716705a4f5465121e5040fe1ae.exe
"C:\Users\Admin\AppData\Local\Temp\4e0dbc8831e3e3d2b4fe56069b5384e4dbf245716705a4f5465121e5040fe1ae.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4968

C:\Users\Admin\AppData\Local\Temp\4e0dbc8831e3e3d2b4fe56069b5384e4dbf245716705a4f5465121e5040fe1ae.exe
"C:\Users\Admin\AppData\Local\Temp\4e0dbc8831e3e3d2b4fe56069b5384e4dbf245716705a4f5465121e5040fe1ae.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:1296

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:5024

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:1284

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:3644

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:4504

C:\Windows\SYSTEM32\schtasks.exe
schtasks /delete /tn ScheduledUpdate /f
4⤵
PID:1552

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:3224

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:1644

C:\Users\Admin\AppData\Local\Temp\csrss\f801950a962ddba14caaa44bf084b55c.exe
C:\Users\Admin\AppData\Local\Temp\csrss\f801950a962ddba14caaa44bf084b55c.exe
4⤵
- Executes dropped EXE
PID:2084

C:\Windows\SYSTEM32\schtasks.exe
schtasks /delete /tn "csrss" /f
5⤵
PID:1148

C:\Windows\SYSTEM32\schtasks.exe
schtasks /delete /tn "ScheduledUpdate" /f
5⤵
PID:3796

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4968 -s 944
2⤵
- Program crash
PID:4136

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:840

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 4968 -ip 4968
1⤵
PID:5092

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

Web Service

1

T1102

Impact

Replay Monitor

Loading Replay Monitor...

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
4.0MB

MD5
35c19c03e460ccffc543c3de46cd12e8

SHA1
61b5b3970570a2104cc61706150a17e9892aa4b7

SHA256
4e0dbc8831e3e3d2b4fe56069b5384e4dbf245716705a4f5465121e5040fe1ae

SHA512
b0f0a4f225cddc7076188968fdfcab130277442c7186c23fff39f1424f1cb916e7e9a7de0844ad6adcc552d0a1d95df02073b3b212f167ad9cc044a0325bfa79

Download Submit
C:\Windows\rss\csrss.exe
Filesize
4.0MB

MD5
35c19c03e460ccffc543c3de46cd12e8

SHA1
61b5b3970570a2104cc61706150a17e9892aa4b7

SHA256
4e0dbc8831e3e3d2b4fe56069b5384e4dbf245716705a4f5465121e5040fe1ae

SHA512
b0f0a4f225cddc7076188968fdfcab130277442c7186c23fff39f1424f1cb916e7e9a7de0844ad6adcc552d0a1d95df02073b3b212f167ad9cc044a0325bfa79

Download Submit
memory/1148-159-0x0000000000000000-mapping.dmp

Download
memory/1284-139-0x0000000000000000-mapping.dmp

Download
memory/1296-140-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/1296-135-0x0000000000000000-mapping.dmp

Download
memory/1296-144-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/1296-138-0x0000000002B0F000-0x0000000002EF8000-memory.dmp

Filesize
3.9MB

Download
memory/1552-148-0x0000000000000000-mapping.dmp

Download
memory/1644-152-0x0000000000000000-mapping.dmp

Download
memory/2084-157-0x0000000000400000-0x0000000000C25000-memory.dmp

Filesize
8.1MB

Download
memory/2084-163-0x0000000000400000-0x0000000000C25000-memory.dmp

Filesize
8.1MB

Download
memory/2084-161-0x0000000000400000-0x0000000000C25000-memory.dmp

Filesize
8.1MB

Download
memory/2084-154-0x0000000000000000-mapping.dmp

Download
memory/3224-149-0x0000000000000000-mapping.dmp

Download
memory/3644-141-0x0000000000000000-mapping.dmp

Download
memory/3644-146-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/3644-145-0x0000000002E00000-0x00000000031E9000-memory.dmp

Filesize
3.9MB

Download
memory/3644-153-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/3644-158-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/3796-160-0x0000000000000000-mapping.dmp

Download
memory/4504-147-0x0000000000000000-mapping.dmp

Download
memory/4968-132-0x0000000002A70000-0x0000000002E59000-memory.dmp

Filesize
3.9MB

Download
memory/4968-134-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/4968-136-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/4968-133-0x0000000002E60000-0x00000000036D7000-memory.dmp

Filesize
8.5MB

Download
memory/5024-137-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

Loading Replay Monitor...

Downloads