wannacry | fd5ab701cb78cfde475a5265ccc2019eb6cf107e9728934bf546ded031f3facd

General

Target

071fe5a38335e876bb295ab2f007eb50_NeikiAnalytics.dll
Size

5.0MB
MD5

071fe5a38335e876bb295ab2f007eb50
SHA1

a3f943f4506d2447cc9cd7d8d88f101e76a922f8
SHA256

fd5ab701cb78cfde475a5265ccc2019eb6cf107e9728934bf546ded031f3facd
SHA512

1ff969e135aa19bd8e5a6e3f428cc9ef5e029f9d3eff306db2db8b410fe7f74176812f19426cc67f3c4c50aeaddaad8aade52bdc5e0375a7ae8b8f93ebaf11b0
SSDEEP

49152:pnAQqMSPbcBVQej/1INRx+TSqTdX1HkQo6SAA:9DqPoBhz1aRxcSUDk36SA

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3134) amount of remote hosts 1 TTPs
This may indicate a network scan to discover remotely running services.
discovery

Network Service Discovery
T1046
Executes dropped EXE 2 IoCs

Processes:

mssecsvc.exemssecsvc.exe

pid process

2192 mssecsvc.exe
2664 mssecsvc.exe
Creates a large amount of network flows 1 TTPs
This may indicate a network scan to discover remotely running services.
discovery

Network Service Discovery
T1046

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 24 IoCs

Processes:

mssecsvc.exe

description	ioc	process
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\aa-f4-2a-2f-13-d5\WpadDecision = "0"	mssecsvc.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	mssecsvc.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{AC8A2D7A-A852-40A2-9734-CD5AEEDB86C5}\WpadNetworkName = "Network 3"	mssecsvc.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\aa-f4-2a-2f-13-d5\WpadDecisionTime = 809e2dcfbaa7da01	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
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	mssecsvc.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\aa-f4-2a-2f-13-d5\WpadDecisionReason = "1"	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\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	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\Wpad\{AC8A2D7A-A852-40A2-9734-CD5AEEDB86C5}\WpadDecisionReason = "1"	mssecsvc.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{AC8A2D7A-A852-40A2-9734-CD5AEEDB86C5}\WpadDecisionTime = 809e2dcfbaa7da01	mssecsvc.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{AC8A2D7A-A852-40A2-9734-CD5AEEDB86C5}\WpadDecision = "0"	mssecsvc.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	mssecsvc.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	mssecsvc.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0"	mssecsvc.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f003b000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	mssecsvc.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{AC8A2D7A-A852-40A2-9734-CD5AEEDB86C5}	mssecsvc.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\aa-f4-2a-2f-13-d5	mssecsvc.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{AC8A2D7A-A852-40A2-9734-CD5AEEDB86C5}\aa-f4-2a-2f-13-d5	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
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	mssecsvc.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

mssecsvc.exemssecsvc.exe

pid process

2192 mssecsvc.exe
2664 mssecsvc.exe

Suspicious behavior: MapViewOfSection 43 IoCs

Processes:

mssecsvc.exemssecsvc.exe

pid	process
2192	mssecsvc.exe
2192	mssecsvc.exe
2192	mssecsvc.exe
2192	mssecsvc.exe
2192	mssecsvc.exe
2192	mssecsvc.exe
2192	mssecsvc.exe
2192	mssecsvc.exe
2192	mssecsvc.exe
2192	mssecsvc.exe
2192	mssecsvc.exe
2192	mssecsvc.exe
2192	mssecsvc.exe
2192	mssecsvc.exe
2192	mssecsvc.exe
2192	mssecsvc.exe
2192	mssecsvc.exe
2192	mssecsvc.exe
2192	mssecsvc.exe
2192	mssecsvc.exe
2192	mssecsvc.exe
2664	mssecsvc.exe
2664	mssecsvc.exe
2664	mssecsvc.exe
2664	mssecsvc.exe
2664	mssecsvc.exe
2664	mssecsvc.exe
2664	mssecsvc.exe
2664	mssecsvc.exe
2664	mssecsvc.exe
2664	mssecsvc.exe
2664	mssecsvc.exe
2664	mssecsvc.exe
2664	mssecsvc.exe
2664	mssecsvc.exe
2664	mssecsvc.exe
2664	mssecsvc.exe
2664	mssecsvc.exe
2664	mssecsvc.exe
2664	mssecsvc.exe
2664	mssecsvc.exe
2664	mssecsvc.exe
2664	mssecsvc.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

mssecsvc.exemssecsvc.exe

description pid process

Token: SeDebugPrivilege 2192 mssecsvc.exe
Token: SeDebugPrivilege 2664 mssecsvc.exe

description	pid	process
Token: SeDebugPrivilege	2192	mssecsvc.exe
Token: SeDebugPrivilege	2664	mssecsvc.exe

Suspicious use of WriteProcessMemory 64 IoCs

Processes:

rundll32.exerundll32.exemssecsvc.exe

description	pid	process	target process
PID 2424 wrote to memory of 2216	2424	rundll32.exe	rundll32.exe
PID 2424 wrote to memory of 2216	2424	rundll32.exe	rundll32.exe
PID 2424 wrote to memory of 2216	2424	rundll32.exe	rundll32.exe
PID 2424 wrote to memory of 2216	2424	rundll32.exe	rundll32.exe
PID 2424 wrote to memory of 2216	2424	rundll32.exe	rundll32.exe
PID 2424 wrote to memory of 2216	2424	rundll32.exe	rundll32.exe
PID 2424 wrote to memory of 2216	2424	rundll32.exe	rundll32.exe
PID 2216 wrote to memory of 2192	2216	rundll32.exe	mssecsvc.exe
PID 2216 wrote to memory of 2192	2216	rundll32.exe	mssecsvc.exe
PID 2216 wrote to memory of 2192	2216	rundll32.exe	mssecsvc.exe
PID 2216 wrote to memory of 2192	2216	rundll32.exe	mssecsvc.exe
PID 2192 wrote to memory of 384	2192	mssecsvc.exe	wininit.exe
PID 2192 wrote to memory of 384	2192	mssecsvc.exe	wininit.exe
PID 2192 wrote to memory of 384	2192	mssecsvc.exe	wininit.exe
PID 2192 wrote to memory of 384	2192	mssecsvc.exe	wininit.exe
PID 2192 wrote to memory of 384	2192	mssecsvc.exe	wininit.exe
PID 2192 wrote to memory of 384	2192	mssecsvc.exe	wininit.exe
PID 2192 wrote to memory of 392	2192	mssecsvc.exe	csrss.exe
PID 2192 wrote to memory of 392	2192	mssecsvc.exe	csrss.exe
PID 2192 wrote to memory of 392	2192	mssecsvc.exe	csrss.exe
PID 2192 wrote to memory of 392	2192	mssecsvc.exe	csrss.exe
PID 2192 wrote to memory of 392	2192	mssecsvc.exe	csrss.exe
PID 2192 wrote to memory of 392	2192	mssecsvc.exe	csrss.exe
PID 2192 wrote to memory of 432	2192	mssecsvc.exe	winlogon.exe
PID 2192 wrote to memory of 432	2192	mssecsvc.exe	winlogon.exe
PID 2192 wrote to memory of 432	2192	mssecsvc.exe	winlogon.exe
PID 2192 wrote to memory of 432	2192	mssecsvc.exe	winlogon.exe
PID 2192 wrote to memory of 432	2192	mssecsvc.exe	winlogon.exe
PID 2192 wrote to memory of 432	2192	mssecsvc.exe	winlogon.exe
PID 2192 wrote to memory of 476	2192	mssecsvc.exe	services.exe
PID 2192 wrote to memory of 476	2192	mssecsvc.exe	services.exe
PID 2192 wrote to memory of 476	2192	mssecsvc.exe	services.exe
PID 2192 wrote to memory of 476	2192	mssecsvc.exe	services.exe
PID 2192 wrote to memory of 476	2192	mssecsvc.exe	services.exe
PID 2192 wrote to memory of 476	2192	mssecsvc.exe	services.exe
PID 2192 wrote to memory of 488	2192	mssecsvc.exe	lsass.exe
PID 2192 wrote to memory of 488	2192	mssecsvc.exe	lsass.exe
PID 2192 wrote to memory of 488	2192	mssecsvc.exe	lsass.exe
PID 2192 wrote to memory of 488	2192	mssecsvc.exe	lsass.exe
PID 2192 wrote to memory of 488	2192	mssecsvc.exe	lsass.exe
PID 2192 wrote to memory of 488	2192	mssecsvc.exe	lsass.exe
PID 2192 wrote to memory of 496	2192	mssecsvc.exe	lsm.exe
PID 2192 wrote to memory of 496	2192	mssecsvc.exe	lsm.exe
PID 2192 wrote to memory of 496	2192	mssecsvc.exe	lsm.exe
PID 2192 wrote to memory of 496	2192	mssecsvc.exe	lsm.exe
PID 2192 wrote to memory of 496	2192	mssecsvc.exe	lsm.exe
PID 2192 wrote to memory of 496	2192	mssecsvc.exe	lsm.exe
PID 2192 wrote to memory of 588	2192	mssecsvc.exe	svchost.exe
PID 2192 wrote to memory of 588	2192	mssecsvc.exe	svchost.exe
PID 2192 wrote to memory of 588	2192	mssecsvc.exe	svchost.exe
PID 2192 wrote to memory of 588	2192	mssecsvc.exe	svchost.exe
PID 2192 wrote to memory of 588	2192	mssecsvc.exe	svchost.exe
PID 2192 wrote to memory of 588	2192	mssecsvc.exe	svchost.exe
PID 2192 wrote to memory of 668	2192	mssecsvc.exe	svchost.exe
PID 2192 wrote to memory of 668	2192	mssecsvc.exe	svchost.exe
PID 2192 wrote to memory of 668	2192	mssecsvc.exe	svchost.exe
PID 2192 wrote to memory of 668	2192	mssecsvc.exe	svchost.exe
PID 2192 wrote to memory of 668	2192	mssecsvc.exe	svchost.exe
PID 2192 wrote to memory of 668	2192	mssecsvc.exe	svchost.exe
PID 2192 wrote to memory of 736	2192	mssecsvc.exe	svchost.exe
PID 2192 wrote to memory of 736	2192	mssecsvc.exe	svchost.exe
PID 2192 wrote to memory of 736	2192	mssecsvc.exe	svchost.exe
PID 2192 wrote to memory of 736	2192	mssecsvc.exe	svchost.exe
PID 2192 wrote to memory of 736	2192	mssecsvc.exe	svchost.exe

C:\Windows\system32\wininit.exe
wininit.exe
1⤵
PID:384

C:\Windows\system32\services.exe
C:\Windows\system32\services.exe
2⤵
PID:476

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k DcomLaunch
3⤵
PID:588

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
4⤵
PID:1912

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k RPCSS
3⤵
PID:668

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted
3⤵
PID:736

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted
3⤵
PID:808

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
4⤵
PID:1160

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs
3⤵
PID:844

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalService
3⤵
PID:956

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k NetworkService
3⤵
PID:1020

C:\Windows\System32\spoolsv.exe
C:\Windows\System32\spoolsv.exe
3⤵
PID:1000

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalServiceNoNetwork
3⤵
PID:1056

C:\Windows\system32\taskhost.exe
"taskhost.exe"
3⤵
PID:1100

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalServiceAndNoImpersonation
3⤵
PID:2328

C:\Windows\system32\sppsvc.exe
C:\Windows\system32\sppsvc.exe
3⤵
PID:2460

C:\WINDOWS\mssecsvc.exe
C:\WINDOWS\mssecsvc.exe -m security
3⤵
- Executes dropped EXE
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:2664

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

C:\Windows\system32\lsm.exe
C:\Windows\system32\lsm.exe
2⤵
PID:496

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:392

C:\Windows\system32\winlogon.exe
winlogon.exe
1⤵
PID:432

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1188

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\071fe5a38335e876bb295ab2f007eb50_NeikiAnalytics.dll,#1
2⤵
- Suspicious use of WriteProcessMemory
PID:2424

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\071fe5a38335e876bb295ab2f007eb50_NeikiAnalytics.dll,#1
3⤵
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:2216

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:2192

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Network Service Discovery

2

T1046

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

C:\Windows\mssecsvc.exe
Filesize
3.6MB

MD5
5ff5116e856c6a3f16f562c4dbd890d7

SHA1
7064ff9cf384d4555b2e69a8137b5075c9b774c3

SHA256
4a6ba74b0c0db6f07800bfad1c9ad28891909c991935c2d98287057569712054

SHA512
d4e9813fa0438a7247080736acd63b6b5292fbecec2ada2b595a2f2700955d9f77b61927893895f55710731df7f12d83443b23df07f86cf8c5481d8fde4cad43

Download Submit
memory/2192-7-0x0000000000400000-0x0000000000A70000-memory.dmp

Filesize
6.4MB

Download
memory/2192-9-0x00000000773DF000-0x00000000773E0000-memory.dmp

Filesize
4KB

Download
memory/2192-8-0x00000000773E0000-0x00000000773E1000-memory.dmp

Filesize
4KB

Download
memory/2192-17-0x0000000000400000-0x0000000000A70000-memory.dmp

Filesize
6.4MB

Download
memory/2192-16-0x000000007EF80000-0x000000007EF89000-memory.dmp

Filesize
36KB

Download
memory/2192-15-0x00000000773DF000-0x00000000773E0000-memory.dmp

Filesize
4KB

Download
memory/2192-14-0x00000000773E0000-0x00000000773E1000-memory.dmp

Filesize
4KB

Download
memory/2216-6-0x00000000022D0000-0x0000000002940000-memory.dmp

Filesize
6.4MB

Download
memory/2216-18-0x00000000022D0000-0x0000000002940000-memory.dmp

Filesize
6.4MB

Download
memory/2664-11-0x0000000000400000-0x0000000000A70000-memory.dmp

Filesize
6.4MB

Download
memory/2664-19-0x0000000000400000-0x0000000000A70000-memory.dmp

Filesize
6.4MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads