wannacry | b0698fea05357ffed6aa4e1094906abdd0cbce9045c78f5dac75de2e2a457bba

General

Target

4db15fcfcdc14f7f6d5e8f0dff781a70_NeikiAnalytics.dll
Size

5.0MB
MD5

4db15fcfcdc14f7f6d5e8f0dff781a70
SHA1

5d9afa34592c62e887e4054294179b6092b21ecb
SHA256

b0698fea05357ffed6aa4e1094906abdd0cbce9045c78f5dac75de2e2a457bba
SHA512

2b5ba5433f120686a3f47ea129056ce3f5544d25cc6c2eb1ef534a382bfc7ce723d314908c6491ed256fae6d48221b8ca19d96f4a0c4410b1a3de927f4e4c279
SSDEEP

12288:/WbLgPlu+QhMbaIMu7L5NVErCA4z2g6rTcbckPU82900Ve7zw+K+D3f:ObLgddQhfdmMSirYbcMNgef0s

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3257) 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

1708 mssecsvc.exe
1508 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
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	mssecsvc.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	mssecsvc.exe
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
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 (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f0108000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	mssecsvc.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{BCFD5F3F-5F50-4629-80C3-7C48C1930F45}\WpadDecision = "0"	mssecsvc.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{BCFD5F3F-5F50-4629-80C3-7C48C1930F45}\WpadNetworkName = "Network 3"	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\ZoneMap\	mssecsvc.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\b6-69-76-97-d1-8d\WpadDecisionTime = 807258e6a4b1da01	mssecsvc.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\b6-69-76-97-d1-8d\WpadDecision = "0"	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\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\Wpad\{BCFD5F3F-5F50-4629-80C3-7C48C1930F45}	mssecsvc.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{BCFD5F3F-5F50-4629-80C3-7C48C1930F45}\WpadDecisionReason = "1"	mssecsvc.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{BCFD5F3F-5F50-4629-80C3-7C48C1930F45}\WpadDecisionTime = 807258e6a4b1da01	mssecsvc.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\b6-69-76-97-d1-8d	mssecsvc.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{BCFD5F3F-5F50-4629-80C3-7C48C1930F45}\b6-69-76-97-d1-8d	mssecsvc.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1"	mssecsvc.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\b6-69-76-97-d1-8d\WpadDecisionReason = "1"	mssecsvc.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

mssecsvc.exemssecsvc.exe

pid process

1708 mssecsvc.exe
1508 mssecsvc.exe

Suspicious behavior: MapViewOfSection 43 IoCs

Processes:

mssecsvc.exemssecsvc.exe

pid	process
1708	mssecsvc.exe
1708	mssecsvc.exe
1708	mssecsvc.exe
1708	mssecsvc.exe
1708	mssecsvc.exe
1708	mssecsvc.exe
1708	mssecsvc.exe
1708	mssecsvc.exe
1708	mssecsvc.exe
1708	mssecsvc.exe
1708	mssecsvc.exe
1708	mssecsvc.exe
1708	mssecsvc.exe
1708	mssecsvc.exe
1708	mssecsvc.exe
1708	mssecsvc.exe
1708	mssecsvc.exe
1708	mssecsvc.exe
1708	mssecsvc.exe
1708	mssecsvc.exe
1708	mssecsvc.exe
1508	mssecsvc.exe
1508	mssecsvc.exe
1508	mssecsvc.exe
1508	mssecsvc.exe
1508	mssecsvc.exe
1508	mssecsvc.exe
1508	mssecsvc.exe
1508	mssecsvc.exe
1508	mssecsvc.exe
1508	mssecsvc.exe
1508	mssecsvc.exe
1508	mssecsvc.exe
1508	mssecsvc.exe
1508	mssecsvc.exe
1508	mssecsvc.exe
1508	mssecsvc.exe
1508	mssecsvc.exe
1508	mssecsvc.exe
1508	mssecsvc.exe
1508	mssecsvc.exe
1508	mssecsvc.exe
1508	mssecsvc.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

mssecsvc.exemssecsvc.exe

description pid process

Token: SeDebugPrivilege 1708 mssecsvc.exe
Token: SeDebugPrivilege 1508 mssecsvc.exe

description	pid	process
Token: SeDebugPrivilege	1708	mssecsvc.exe
Token: SeDebugPrivilege	1508	mssecsvc.exe

Suspicious use of WriteProcessMemory 64 IoCs

Processes:

rundll32.exerundll32.exemssecsvc.exe

description	pid	process	target process
PID 2512 wrote to memory of 1956	2512	rundll32.exe	rundll32.exe
PID 2512 wrote to memory of 1956	2512	rundll32.exe	rundll32.exe
PID 2512 wrote to memory of 1956	2512	rundll32.exe	rundll32.exe
PID 2512 wrote to memory of 1956	2512	rundll32.exe	rundll32.exe
PID 2512 wrote to memory of 1956	2512	rundll32.exe	rundll32.exe
PID 2512 wrote to memory of 1956	2512	rundll32.exe	rundll32.exe
PID 2512 wrote to memory of 1956	2512	rundll32.exe	rundll32.exe
PID 1956 wrote to memory of 1708	1956	rundll32.exe	mssecsvc.exe
PID 1956 wrote to memory of 1708	1956	rundll32.exe	mssecsvc.exe
PID 1956 wrote to memory of 1708	1956	rundll32.exe	mssecsvc.exe
PID 1956 wrote to memory of 1708	1956	rundll32.exe	mssecsvc.exe
PID 1708 wrote to memory of 376	1708	mssecsvc.exe	wininit.exe
PID 1708 wrote to memory of 376	1708	mssecsvc.exe	wininit.exe
PID 1708 wrote to memory of 376	1708	mssecsvc.exe	wininit.exe
PID 1708 wrote to memory of 376	1708	mssecsvc.exe	wininit.exe
PID 1708 wrote to memory of 376	1708	mssecsvc.exe	wininit.exe
PID 1708 wrote to memory of 376	1708	mssecsvc.exe	wininit.exe
PID 1708 wrote to memory of 376	1708	mssecsvc.exe	wininit.exe
PID 1708 wrote to memory of 400	1708	mssecsvc.exe	csrss.exe
PID 1708 wrote to memory of 400	1708	mssecsvc.exe	csrss.exe
PID 1708 wrote to memory of 400	1708	mssecsvc.exe	csrss.exe
PID 1708 wrote to memory of 400	1708	mssecsvc.exe	csrss.exe
PID 1708 wrote to memory of 400	1708	mssecsvc.exe	csrss.exe
PID 1708 wrote to memory of 400	1708	mssecsvc.exe	csrss.exe
PID 1708 wrote to memory of 400	1708	mssecsvc.exe	csrss.exe
PID 1708 wrote to memory of 436	1708	mssecsvc.exe	winlogon.exe
PID 1708 wrote to memory of 436	1708	mssecsvc.exe	winlogon.exe
PID 1708 wrote to memory of 436	1708	mssecsvc.exe	winlogon.exe
PID 1708 wrote to memory of 436	1708	mssecsvc.exe	winlogon.exe
PID 1708 wrote to memory of 436	1708	mssecsvc.exe	winlogon.exe
PID 1708 wrote to memory of 436	1708	mssecsvc.exe	winlogon.exe
PID 1708 wrote to memory of 436	1708	mssecsvc.exe	winlogon.exe
PID 1708 wrote to memory of 480	1708	mssecsvc.exe	services.exe
PID 1708 wrote to memory of 480	1708	mssecsvc.exe	services.exe
PID 1708 wrote to memory of 480	1708	mssecsvc.exe	services.exe
PID 1708 wrote to memory of 480	1708	mssecsvc.exe	services.exe
PID 1708 wrote to memory of 480	1708	mssecsvc.exe	services.exe
PID 1708 wrote to memory of 480	1708	mssecsvc.exe	services.exe
PID 1708 wrote to memory of 480	1708	mssecsvc.exe	services.exe
PID 1708 wrote to memory of 496	1708	mssecsvc.exe	lsass.exe
PID 1708 wrote to memory of 496	1708	mssecsvc.exe	lsass.exe
PID 1708 wrote to memory of 496	1708	mssecsvc.exe	lsass.exe
PID 1708 wrote to memory of 496	1708	mssecsvc.exe	lsass.exe
PID 1708 wrote to memory of 496	1708	mssecsvc.exe	lsass.exe
PID 1708 wrote to memory of 496	1708	mssecsvc.exe	lsass.exe
PID 1708 wrote to memory of 496	1708	mssecsvc.exe	lsass.exe
PID 1708 wrote to memory of 504	1708	mssecsvc.exe	lsm.exe
PID 1708 wrote to memory of 504	1708	mssecsvc.exe	lsm.exe
PID 1708 wrote to memory of 504	1708	mssecsvc.exe	lsm.exe
PID 1708 wrote to memory of 504	1708	mssecsvc.exe	lsm.exe
PID 1708 wrote to memory of 504	1708	mssecsvc.exe	lsm.exe
PID 1708 wrote to memory of 504	1708	mssecsvc.exe	lsm.exe
PID 1708 wrote to memory of 504	1708	mssecsvc.exe	lsm.exe
PID 1708 wrote to memory of 600	1708	mssecsvc.exe	svchost.exe
PID 1708 wrote to memory of 600	1708	mssecsvc.exe	svchost.exe
PID 1708 wrote to memory of 600	1708	mssecsvc.exe	svchost.exe
PID 1708 wrote to memory of 600	1708	mssecsvc.exe	svchost.exe
PID 1708 wrote to memory of 600	1708	mssecsvc.exe	svchost.exe
PID 1708 wrote to memory of 600	1708	mssecsvc.exe	svchost.exe
PID 1708 wrote to memory of 600	1708	mssecsvc.exe	svchost.exe
PID 1708 wrote to memory of 680	1708	mssecsvc.exe	svchost.exe
PID 1708 wrote to memory of 680	1708	mssecsvc.exe	svchost.exe
PID 1708 wrote to memory of 680	1708	mssecsvc.exe	svchost.exe
PID 1708 wrote to memory of 680	1708	mssecsvc.exe	svchost.exe

C:\Windows\system32\wininit.exe
wininit.exe
1⤵
PID:376

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

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k DcomLaunch
3⤵
PID:600

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
4⤵
PID:1636

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k RPCSS
3⤵
PID:680

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted
3⤵
PID:756

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted
3⤵
PID:816

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
4⤵
PID:1172

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs
3⤵
PID:852

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalService
3⤵
PID:964

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k NetworkService
3⤵
PID:112

C:\Windows\System32\spoolsv.exe
C:\Windows\System32\spoolsv.exe
3⤵
PID:352

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalServiceNoNetwork
3⤵
PID:1072

C:\Windows\system32\taskhost.exe
"taskhost.exe"
3⤵
PID:1092

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalServiceAndNoImpersonation
3⤵
PID:2032

C:\Windows\system32\sppsvc.exe
C:\Windows\system32\sppsvc.exe
3⤵
PID:2156

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:1508

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

C:\Windows\system32\lsm.exe
C:\Windows\system32\lsm.exe
2⤵
PID:504

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:400

C:\Windows\system32\winlogon.exe
winlogon.exe
1⤵
PID:436

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

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\4db15fcfcdc14f7f6d5e8f0dff781a70_NeikiAnalytics.dll,#1
2⤵
- Suspicious use of WriteProcessMemory
PID:2512

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\4db15fcfcdc14f7f6d5e8f0dff781a70_NeikiAnalytics.dll,#1
3⤵
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:1956

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:1708

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Network Service Discovery

2

T1046

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Windows\mssecsvc.exe
Filesize
3.6MB

MD5
b475aac92e45c3a005a29a23d3bae44b

SHA1
40e88897d63bb1b1238ec79a4c45187a3b14a8eb

SHA256
6cf9969a30b8feb99603422764b91151a98369bba258c5b1e6c3c947e141acda

SHA512
8f7ea4f3a6609c09cef6e7a185df31a5ea56d18ecb7d632c412065cf0a569ee7b5c24c0e01092feecb2a435252273ea087368a0ed42655aaa85aa845463fddcc

Download Submit
memory/1508-10-0x0000000000400000-0x0000000000A73000-memory.dmp

Filesize
6.4MB

Download
memory/1508-15-0x0000000000400000-0x0000000000A73000-memory.dmp

Filesize
6.4MB

Download
memory/1708-6-0x0000000000400000-0x0000000000A73000-memory.dmp

Filesize
6.4MB

Download
memory/1708-8-0x0000000077B40000-0x0000000077B41000-memory.dmp

Filesize
4KB

Download
memory/1708-7-0x0000000077B3F000-0x0000000077B40000-memory.dmp

Filesize
4KB

Download
memory/1708-14-0x000000007EF70000-0x000000007EF7C000-memory.dmp

Filesize
48KB

Download
memory/1708-13-0x0000000000400000-0x0000000000A73000-memory.dmp

Filesize
6.4MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads