metasploit | 5180621dabfbf51a1764886b08bf8b954f27e326ed6167fbdbd8a6f6313c534f

General

Target

5180621dabfbf51a1764886b08bf8b954f27e326ed6167fbdbd8a6f6313c534f.dll
Size

5.0MB
MD5

38c817799dc0b801b8051000baac445a
SHA1

6b7b2c1659ae194b6f7a5d94e40e94cacdc1bccc
SHA256

5180621dabfbf51a1764886b08bf8b954f27e326ed6167fbdbd8a6f6313c534f
SHA512

281797346098fb0b15265e28b4fa6bd98304611878ef7b902fa0170fec8c4437f43d8d285578538e09b41973f90c522c801bb91e2b41401e68a96839d3495006

Score

10^/10

metasploit wannacry backdoor ransomware suricata trojan worm

Malware Config

Extracted

Family

metasploit

Version

encoder/call4_dword_xor

Signatures

MetaSploit
Detected malicious payload which is part of the Metasploit Framework, likely generated with msfvenom or similar.
trojan backdoor metasploit
Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
suricata: ET MALWARE Known Sinkhole Response Header
suricata: ET MALWARE Known Sinkhole Response Header
suricata
suricata: ET MALWARE Possible WannaCry DNS Lookup 2
suricata: ET MALWARE Possible WannaCry DNS Lookup 2
suricata
Executes dropped EXE 2 IoCs

Processes:

mssecsvc.exemssecsvc.exe

pid process

1392 mssecsvc.exe
564 mssecsvc.exe

Drops file in System32 directory 1 IoCs

Processes:

mssecsvc.exe

description	ioc	process
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\Temporary Internet Files\counters.dat	mssecsvc.exe

Drops file in Windows directory 2 IoCs

Processes:

rundll32.exemssecsvc.exe

description ioc process

File created C:\WINDOWS\mssecsvc.exe rundll32.exe
File created C:\WINDOWS\tasksche.exe mssecsvc.exe

description	ioc	process
File created	C:\WINDOWS\mssecsvc.exe	rundll32.exe
File created	C:\WINDOWS\tasksche.exe	mssecsvc.exe

Modifies data under HKEY_USERS 13 IoCs

Processes:

mssecsvc.exe

description	ioc	process
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	mssecsvc.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	mssecsvc.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	mssecsvc.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	mssecsvc.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	mssecsvc.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	mssecsvc.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	mssecsvc.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	mssecsvc.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	mssecsvc.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0"	mssecsvc.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1"	mssecsvc.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	mssecsvc.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	mssecsvc.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

mssecsvc.exemssecsvc.exe

pid process

1392 mssecsvc.exe
564 mssecsvc.exe

Suspicious behavior: MapViewOfSection 46 IoCs

Processes:

mssecsvc.exemssecsvc.exe

pid	process
1392	mssecsvc.exe
1392	mssecsvc.exe
1392	mssecsvc.exe
1392	mssecsvc.exe
1392	mssecsvc.exe
1392	mssecsvc.exe
1392	mssecsvc.exe
1392	mssecsvc.exe
1392	mssecsvc.exe
1392	mssecsvc.exe
1392	mssecsvc.exe
1392	mssecsvc.exe
1392	mssecsvc.exe
1392	mssecsvc.exe
1392	mssecsvc.exe
1392	mssecsvc.exe
1392	mssecsvc.exe
1392	mssecsvc.exe
1392	mssecsvc.exe
1392	mssecsvc.exe
1392	mssecsvc.exe
1392	mssecsvc.exe
564	mssecsvc.exe
564	mssecsvc.exe
564	mssecsvc.exe
564	mssecsvc.exe
564	mssecsvc.exe
564	mssecsvc.exe
564	mssecsvc.exe
564	mssecsvc.exe
564	mssecsvc.exe
564	mssecsvc.exe
564	mssecsvc.exe
564	mssecsvc.exe
564	mssecsvc.exe
564	mssecsvc.exe
564	mssecsvc.exe
564	mssecsvc.exe
564	mssecsvc.exe
564	mssecsvc.exe
564	mssecsvc.exe
564	mssecsvc.exe
564	mssecsvc.exe
564	mssecsvc.exe
564	mssecsvc.exe
564	mssecsvc.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

mssecsvc.exemssecsvc.exe

description pid process

Token: SeDebugPrivilege 1392 mssecsvc.exe
Token: SeDebugPrivilege 564 mssecsvc.exe

description	pid	process
Token: SeDebugPrivilege	1392	mssecsvc.exe
Token: SeDebugPrivilege	564	mssecsvc.exe

Suspicious use of WriteProcessMemory 64 IoCs

Processes:

rundll32.exerundll32.exemssecsvc.exe

description	pid	process	target process
PID 1624 wrote to memory of 1776	1624	rundll32.exe	rundll32.exe
PID 1624 wrote to memory of 1776	1624	rundll32.exe	rundll32.exe
PID 1624 wrote to memory of 1776	1624	rundll32.exe	rundll32.exe
PID 1624 wrote to memory of 1776	1624	rundll32.exe	rundll32.exe
PID 1624 wrote to memory of 1776	1624	rundll32.exe	rundll32.exe
PID 1624 wrote to memory of 1776	1624	rundll32.exe	rundll32.exe
PID 1624 wrote to memory of 1776	1624	rundll32.exe	rundll32.exe
PID 1776 wrote to memory of 1392	1776	rundll32.exe	mssecsvc.exe
PID 1776 wrote to memory of 1392	1776	rundll32.exe	mssecsvc.exe
PID 1776 wrote to memory of 1392	1776	rundll32.exe	mssecsvc.exe
PID 1776 wrote to memory of 1392	1776	rundll32.exe	mssecsvc.exe
PID 1392 wrote to memory of 368	1392	mssecsvc.exe	wininit.exe
PID 1392 wrote to memory of 368	1392	mssecsvc.exe	wininit.exe
PID 1392 wrote to memory of 368	1392	mssecsvc.exe	wininit.exe
PID 1392 wrote to memory of 368	1392	mssecsvc.exe	wininit.exe
PID 1392 wrote to memory of 368	1392	mssecsvc.exe	wininit.exe
PID 1392 wrote to memory of 368	1392	mssecsvc.exe	wininit.exe
PID 1392 wrote to memory of 368	1392	mssecsvc.exe	wininit.exe
PID 1392 wrote to memory of 380	1392	mssecsvc.exe	csrss.exe
PID 1392 wrote to memory of 380	1392	mssecsvc.exe	csrss.exe
PID 1392 wrote to memory of 380	1392	mssecsvc.exe	csrss.exe
PID 1392 wrote to memory of 380	1392	mssecsvc.exe	csrss.exe
PID 1392 wrote to memory of 380	1392	mssecsvc.exe	csrss.exe
PID 1392 wrote to memory of 380	1392	mssecsvc.exe	csrss.exe
PID 1392 wrote to memory of 380	1392	mssecsvc.exe	csrss.exe
PID 1392 wrote to memory of 416	1392	mssecsvc.exe	winlogon.exe
PID 1392 wrote to memory of 416	1392	mssecsvc.exe	winlogon.exe
PID 1392 wrote to memory of 416	1392	mssecsvc.exe	winlogon.exe
PID 1392 wrote to memory of 416	1392	mssecsvc.exe	winlogon.exe
PID 1392 wrote to memory of 416	1392	mssecsvc.exe	winlogon.exe
PID 1392 wrote to memory of 416	1392	mssecsvc.exe	winlogon.exe
PID 1392 wrote to memory of 416	1392	mssecsvc.exe	winlogon.exe
PID 1392 wrote to memory of 464	1392	mssecsvc.exe	services.exe
PID 1392 wrote to memory of 464	1392	mssecsvc.exe	services.exe
PID 1392 wrote to memory of 464	1392	mssecsvc.exe	services.exe
PID 1392 wrote to memory of 464	1392	mssecsvc.exe	services.exe
PID 1392 wrote to memory of 464	1392	mssecsvc.exe	services.exe
PID 1392 wrote to memory of 464	1392	mssecsvc.exe	services.exe
PID 1392 wrote to memory of 464	1392	mssecsvc.exe	services.exe
PID 1392 wrote to memory of 472	1392	mssecsvc.exe	lsass.exe
PID 1392 wrote to memory of 472	1392	mssecsvc.exe	lsass.exe
PID 1392 wrote to memory of 472	1392	mssecsvc.exe	lsass.exe
PID 1392 wrote to memory of 472	1392	mssecsvc.exe	lsass.exe
PID 1392 wrote to memory of 472	1392	mssecsvc.exe	lsass.exe
PID 1392 wrote to memory of 472	1392	mssecsvc.exe	lsass.exe
PID 1392 wrote to memory of 472	1392	mssecsvc.exe	lsass.exe
PID 1392 wrote to memory of 480	1392	mssecsvc.exe	lsm.exe
PID 1392 wrote to memory of 480	1392	mssecsvc.exe	lsm.exe
PID 1392 wrote to memory of 480	1392	mssecsvc.exe	lsm.exe
PID 1392 wrote to memory of 480	1392	mssecsvc.exe	lsm.exe
PID 1392 wrote to memory of 480	1392	mssecsvc.exe	lsm.exe
PID 1392 wrote to memory of 480	1392	mssecsvc.exe	lsm.exe
PID 1392 wrote to memory of 480	1392	mssecsvc.exe	lsm.exe
PID 1392 wrote to memory of 580	1392	mssecsvc.exe	svchost.exe
PID 1392 wrote to memory of 580	1392	mssecsvc.exe	svchost.exe
PID 1392 wrote to memory of 580	1392	mssecsvc.exe	svchost.exe
PID 1392 wrote to memory of 580	1392	mssecsvc.exe	svchost.exe
PID 1392 wrote to memory of 580	1392	mssecsvc.exe	svchost.exe
PID 1392 wrote to memory of 580	1392	mssecsvc.exe	svchost.exe
PID 1392 wrote to memory of 580	1392	mssecsvc.exe	svchost.exe
PID 1392 wrote to memory of 656	1392	mssecsvc.exe	svchost.exe
PID 1392 wrote to memory of 656	1392	mssecsvc.exe	svchost.exe
PID 1392 wrote to memory of 656	1392	mssecsvc.exe	svchost.exe
PID 1392 wrote to memory of 656	1392	mssecsvc.exe	svchost.exe

C:\Windows\system32\lsass.exe
C:\Windows\system32\lsass.exe
1⤵
PID:472

C:\Windows\system32\services.exe
C:\Windows\system32\services.exe
1⤵
PID:464

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted
2⤵
PID:796

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
3⤵
PID:1188

C:\Windows\system32\taskhost.exe
"taskhost.exe"
2⤵
PID:1120

C:\Windows\system32\sppsvc.exe
C:\Windows\system32\sppsvc.exe
2⤵
PID:1772

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalServiceAndNoImpersonation
2⤵
PID:1852

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalServiceNoNetwork
2⤵
PID:1036

C:\Windows\System32\spoolsv.exe
C:\Windows\System32\spoolsv.exe
2⤵
PID:328

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k NetworkService
2⤵
PID:240

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs
2⤵
PID:860

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalService
2⤵
PID:836

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted
2⤵
PID:740

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k RPCSS
2⤵
PID:656

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k DcomLaunch
2⤵
PID:580

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
3⤵
PID:1636

C:\WINDOWS\mssecsvc.exe
C:\WINDOWS\mssecsvc.exe -m security
2⤵
- Executes dropped EXE
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:564

C:\Windows\system32\winlogon.exe
winlogon.exe
1⤵
PID:416

C:\Windows\system32\csrss.exe
%SystemRoot%\system32\csrss.exe ObjectDirectory=\Windows SharedSection=1024,20480,768 Windows=On SubSystemType=Windows ServerDll=basesrv,1 ServerDll=winsrv:UserServerDllInitialization,3 ServerDll=winsrv:ConServerDllInitialization,2 ServerDll=sxssrv,4 ProfileControl=Off MaxRequestThreads=16
1⤵
PID:380

C:\Windows\system32\wininit.exe
wininit.exe
1⤵
PID:368

C:\Windows\system32\lsm.exe
C:\Windows\system32\lsm.exe
2⤵
PID:480

\\?\C:\Windows\system32\wbem\WMIADAP.EXE
wmiadap.exe /F /T /R
1⤵
PID:1200

C:\Windows\system32\wbem\wmiprvse.exe
C:\Windows\system32\wbem\wmiprvse.exe
1⤵
PID:1956

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1260

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\5180621dabfbf51a1764886b08bf8b954f27e326ed6167fbdbd8a6f6313c534f.dll,#1
2⤵
- Suspicious use of WriteProcessMemory
PID:1624

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\5180621dabfbf51a1764886b08bf8b954f27e326ed6167fbdbd8a6f6313c534f.dll,#1
3⤵
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:1776

C:\WINDOWS\mssecsvc.exe
C:\WINDOWS\mssecsvc.exe
4⤵
- Executes dropped EXE
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1392

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

C:\Windows\mssecsvc.exe
Filesize
3.8MB

MD5
b544af75785b0448fb13b674c7a51d92

SHA1
7b88ce7386c7027d00e61ff512886cc11118ab7d

SHA256
57288b609475cb3f1521725178e405024844a1710f9aecef14d815b77bb86d0f

SHA512
e11a6b44b21ad7360655f074a02abffb406bdd2f55c11b9bfbf57b29ec8a6281ea640cd84963d7abe8a1a0310eebc349d804cee241014ad055ea7fa617236b21

Download Submit
C:\Windows\mssecsvc.exe
Filesize
3.8MB

MD5
b544af75785b0448fb13b674c7a51d92

SHA1
7b88ce7386c7027d00e61ff512886cc11118ab7d

SHA256
57288b609475cb3f1521725178e405024844a1710f9aecef14d815b77bb86d0f

SHA512
e11a6b44b21ad7360655f074a02abffb406bdd2f55c11b9bfbf57b29ec8a6281ea640cd84963d7abe8a1a0310eebc349d804cee241014ad055ea7fa617236b21

Download Submit
memory/564-62-0x0000000000400000-0x0000000000AB2000-memory.dmp

Filesize
6.7MB

Download
memory/1392-56-0x0000000000000000-mapping.dmp

Download
memory/1392-59-0x0000000000400000-0x0000000000AB2000-memory.dmp

Filesize
6.7MB

Download
memory/1392-63-0x0000000000400000-0x0000000000AB2000-memory.dmp

Filesize
6.7MB

Download
memory/1392-64-0x000000007EF70000-0x000000007EF7C000-memory.dmp

Filesize
48KB

Download
memory/1776-54-0x0000000000000000-mapping.dmp

Download
memory/1776-55-0x0000000075B61000-0x0000000075B63000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix

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Downloads