wannacry | 88bb891ec46f78c247ceae8ab6909431451761f343363ea9a0cd300d43b73d8e

General

Target

88bb891ec46f78c247ceae8ab6909431451761f343363ea9a0cd300d43b73d8e.dll
Size

5.0MB
MD5

7b8359d33138f036077cdb02d70d9e37
SHA1

6e3b17124d51173e2e7b04f3ac11c5d096e5de86
SHA256

88bb891ec46f78c247ceae8ab6909431451761f343363ea9a0cd300d43b73d8e
SHA512

4ec0c085593d6428a2f70d857200615e4b6ee9e0956b8228563389eb23d1375bcb72f56313068823eec40ff0ae3d42ef981aaa5f902e23638b937cc987060e2a

Score

10^/10

wannacry ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Executes dropped EXE 2 IoCs

Processes:

mssecsvc.exemssecsvc.exe

pid process

2036 mssecsvc.exe
1152 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
Modifies data under HKEY_USERS 1 IoCs

Processes:

mssecsvc.exe

description ioc process

Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings mssecsvc.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

mssecsvc.exemssecsvc.exe

pid process

2036 mssecsvc.exe
1152 mssecsvc.exe

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

description	ioc	process
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	mssecsvc.exe

Suspicious behavior: MapViewOfSection 39 IoCs

Processes:

mssecsvc.exemssecsvc.exe

pid	process
2036	mssecsvc.exe
2036	mssecsvc.exe
2036	mssecsvc.exe
2036	mssecsvc.exe
2036	mssecsvc.exe
2036	mssecsvc.exe
2036	mssecsvc.exe
2036	mssecsvc.exe
2036	mssecsvc.exe
2036	mssecsvc.exe
2036	mssecsvc.exe
2036	mssecsvc.exe
2036	mssecsvc.exe
2036	mssecsvc.exe
2036	mssecsvc.exe
2036	mssecsvc.exe
2036	mssecsvc.exe
2036	mssecsvc.exe
2036	mssecsvc.exe
1152	mssecsvc.exe
1152	mssecsvc.exe
1152	mssecsvc.exe
1152	mssecsvc.exe
1152	mssecsvc.exe
1152	mssecsvc.exe
1152	mssecsvc.exe
1152	mssecsvc.exe
1152	mssecsvc.exe
1152	mssecsvc.exe
1152	mssecsvc.exe
1152	mssecsvc.exe
1152	mssecsvc.exe
1152	mssecsvc.exe
1152	mssecsvc.exe
1152	mssecsvc.exe
1152	mssecsvc.exe
1152	mssecsvc.exe
1152	mssecsvc.exe
1152	mssecsvc.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

mssecsvc.exemssecsvc.exe

description pid process

Token: SeDebugPrivilege 2036 mssecsvc.exe
Token: SeDebugPrivilege 1152 mssecsvc.exe

description	pid	process
Token: SeDebugPrivilege	2036	mssecsvc.exe
Token: SeDebugPrivilege	1152	mssecsvc.exe

Suspicious use of WriteProcessMemory 64 IoCs

Processes:

rundll32.exerundll32.exemssecsvc.exe

description	pid	process	target process
PID 1272 wrote to memory of 1940	1272	rundll32.exe	rundll32.exe
PID 1272 wrote to memory of 1940	1272	rundll32.exe	rundll32.exe
PID 1272 wrote to memory of 1940	1272	rundll32.exe	rundll32.exe
PID 1272 wrote to memory of 1940	1272	rundll32.exe	rundll32.exe
PID 1272 wrote to memory of 1940	1272	rundll32.exe	rundll32.exe
PID 1272 wrote to memory of 1940	1272	rundll32.exe	rundll32.exe
PID 1272 wrote to memory of 1940	1272	rundll32.exe	rundll32.exe
PID 1940 wrote to memory of 2036	1940	rundll32.exe	mssecsvc.exe
PID 1940 wrote to memory of 2036	1940	rundll32.exe	mssecsvc.exe
PID 1940 wrote to memory of 2036	1940	rundll32.exe	mssecsvc.exe
PID 1940 wrote to memory of 2036	1940	rundll32.exe	mssecsvc.exe
PID 2036 wrote to memory of 372	2036	mssecsvc.exe	wininit.exe
PID 2036 wrote to memory of 372	2036	mssecsvc.exe	wininit.exe
PID 2036 wrote to memory of 372	2036	mssecsvc.exe	wininit.exe
PID 2036 wrote to memory of 372	2036	mssecsvc.exe	wininit.exe
PID 2036 wrote to memory of 372	2036	mssecsvc.exe	wininit.exe
PID 2036 wrote to memory of 372	2036	mssecsvc.exe	wininit.exe
PID 2036 wrote to memory of 372	2036	mssecsvc.exe	wininit.exe
PID 2036 wrote to memory of 384	2036	mssecsvc.exe	csrss.exe
PID 2036 wrote to memory of 384	2036	mssecsvc.exe	csrss.exe
PID 2036 wrote to memory of 384	2036	mssecsvc.exe	csrss.exe
PID 2036 wrote to memory of 384	2036	mssecsvc.exe	csrss.exe
PID 2036 wrote to memory of 384	2036	mssecsvc.exe	csrss.exe
PID 2036 wrote to memory of 384	2036	mssecsvc.exe	csrss.exe
PID 2036 wrote to memory of 384	2036	mssecsvc.exe	csrss.exe
PID 2036 wrote to memory of 420	2036	mssecsvc.exe	winlogon.exe
PID 2036 wrote to memory of 420	2036	mssecsvc.exe	winlogon.exe
PID 2036 wrote to memory of 420	2036	mssecsvc.exe	winlogon.exe
PID 2036 wrote to memory of 420	2036	mssecsvc.exe	winlogon.exe
PID 2036 wrote to memory of 420	2036	mssecsvc.exe	winlogon.exe
PID 2036 wrote to memory of 420	2036	mssecsvc.exe	winlogon.exe
PID 2036 wrote to memory of 420	2036	mssecsvc.exe	winlogon.exe
PID 2036 wrote to memory of 464	2036	mssecsvc.exe	services.exe
PID 2036 wrote to memory of 464	2036	mssecsvc.exe	services.exe
PID 2036 wrote to memory of 464	2036	mssecsvc.exe	services.exe
PID 2036 wrote to memory of 464	2036	mssecsvc.exe	services.exe
PID 2036 wrote to memory of 464	2036	mssecsvc.exe	services.exe
PID 2036 wrote to memory of 464	2036	mssecsvc.exe	services.exe
PID 2036 wrote to memory of 464	2036	mssecsvc.exe	services.exe
PID 2036 wrote to memory of 480	2036	mssecsvc.exe	lsass.exe
PID 2036 wrote to memory of 480	2036	mssecsvc.exe	lsass.exe
PID 2036 wrote to memory of 480	2036	mssecsvc.exe	lsass.exe
PID 2036 wrote to memory of 480	2036	mssecsvc.exe	lsass.exe
PID 2036 wrote to memory of 480	2036	mssecsvc.exe	lsass.exe
PID 2036 wrote to memory of 480	2036	mssecsvc.exe	lsass.exe
PID 2036 wrote to memory of 480	2036	mssecsvc.exe	lsass.exe
PID 2036 wrote to memory of 488	2036	mssecsvc.exe	lsm.exe
PID 2036 wrote to memory of 488	2036	mssecsvc.exe	lsm.exe
PID 2036 wrote to memory of 488	2036	mssecsvc.exe	lsm.exe
PID 2036 wrote to memory of 488	2036	mssecsvc.exe	lsm.exe
PID 2036 wrote to memory of 488	2036	mssecsvc.exe	lsm.exe
PID 2036 wrote to memory of 488	2036	mssecsvc.exe	lsm.exe
PID 2036 wrote to memory of 488	2036	mssecsvc.exe	lsm.exe
PID 2036 wrote to memory of 580	2036	mssecsvc.exe	svchost.exe
PID 2036 wrote to memory of 580	2036	mssecsvc.exe	svchost.exe
PID 2036 wrote to memory of 580	2036	mssecsvc.exe	svchost.exe
PID 2036 wrote to memory of 580	2036	mssecsvc.exe	svchost.exe
PID 2036 wrote to memory of 580	2036	mssecsvc.exe	svchost.exe
PID 2036 wrote to memory of 580	2036	mssecsvc.exe	svchost.exe
PID 2036 wrote to memory of 580	2036	mssecsvc.exe	svchost.exe
PID 2036 wrote to memory of 664	2036	mssecsvc.exe	svchost.exe
PID 2036 wrote to memory of 664	2036	mssecsvc.exe	svchost.exe
PID 2036 wrote to memory of 664	2036	mssecsvc.exe	svchost.exe
PID 2036 wrote to memory of 664	2036	mssecsvc.exe	svchost.exe

C:\Windows\system32\lsass.exe
C:\Windows\system32\lsass.exe
1⤵
PID:480

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

C:\Windows\System32\spoolsv.exe
C:\Windows\System32\spoolsv.exe
2⤵
PID:304

C:\Windows\system32\taskhost.exe
"taskhost.exe"
2⤵
PID:1108

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalServiceNoNetwork
2⤵
PID:1072

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k NetworkService
2⤵
PID:284

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs
2⤵
PID:888

C:\Windows\system32\wbem\WMIADAP.EXE
wmiadap.exe /F /T /R
3⤵
PID:1808

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalService
2⤵
PID:848

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted
2⤵
PID:808

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted
2⤵
PID:752

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k RPCSS
2⤵
PID:664

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

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:1152

C:\Windows\system32\winlogon.exe
winlogon.exe
1⤵
PID:420

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:384

C:\Windows\system32\wininit.exe
wininit.exe
1⤵
PID:372

C:\Windows\system32\lsm.exe
C:\Windows\system32\lsm.exe
2⤵
PID:488

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1196

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\88bb891ec46f78c247ceae8ab6909431451761f343363ea9a0cd300d43b73d8e.dll,#1
2⤵
- Suspicious use of WriteProcessMemory
PID:1272

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\88bb891ec46f78c247ceae8ab6909431451761f343363ea9a0cd300d43b73d8e.dll,#1
3⤵
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:1940

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:2036

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1168

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

C:\WINDOWS\MSSECSVC.EXE

MD5
e27d19c7686076d49a712c3b9e3f57a3

SHA1
78bbc31007979f8b79596fa48ec719472d6ea702

SHA256
65757bdb794afc7c65ff2feb15436fc7b21479924c2a5dc1f82bc118ea2a7701

SHA512
c901931032b605d4a572b998187f0962eb024072644ef083e5ff2b2501b9e8e4a9cddef8c3f1a0f03d8eaa6212fd70d044787152271794894cf4ba0623c7be99

Download Submit
C:\Windows\mssecsvc.exe

MD5
e27d19c7686076d49a712c3b9e3f57a3

SHA1
78bbc31007979f8b79596fa48ec719472d6ea702

SHA256
65757bdb794afc7c65ff2feb15436fc7b21479924c2a5dc1f82bc118ea2a7701

SHA512
c901931032b605d4a572b998187f0962eb024072644ef083e5ff2b2501b9e8e4a9cddef8c3f1a0f03d8eaa6212fd70d044787152271794894cf4ba0623c7be99

Download Submit
C:\Windows\mssecsvc.exe

MD5
e27d19c7686076d49a712c3b9e3f57a3

SHA1
78bbc31007979f8b79596fa48ec719472d6ea702

SHA256
65757bdb794afc7c65ff2feb15436fc7b21479924c2a5dc1f82bc118ea2a7701

SHA512
c901931032b605d4a572b998187f0962eb024072644ef083e5ff2b2501b9e8e4a9cddef8c3f1a0f03d8eaa6212fd70d044787152271794894cf4ba0623c7be99

Download Submit
memory/1940-60-0x0000000000000000-mapping.dmp

Download
memory/1940-61-0x0000000075591000-0x0000000075593000-memory.dmp

Filesize
8KB

Download
memory/2036-62-0x0000000000000000-mapping.dmp

Download
memory/2036-68-0x000000007EF90000-0x000000007EF9C000-memory.dmp

Filesize
48KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads