wannacry | 676deb2e850f094afec7f590ecad726b328602e17f0df2549c71aa976ec42f42

Analysis

max time kernel
150s
max time network
150s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
27-08-2024 12:34

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General

Target

c501a8cfba0e9448098000ecba9f66ed_JaffaCakes118.dll
Size

5.0MB
MD5

c501a8cfba0e9448098000ecba9f66ed
SHA1

0545d5079f39c31be9c163528d36427e41cae977
SHA256

676deb2e850f094afec7f590ecad726b328602e17f0df2549c71aa976ec42f42
SHA512

331f065a83d4690d1d3169135541a41b8edf7ceec0548efa9f811211afbfe5983e92eba10dcdcded2d61eb2007f706f3f287dd312e459ca0fc8387af29d7e426
SSDEEP

49152:AnAQqMSPbcBVQej4HG0EliyDGzHiaFkXtXOFzPtb78065i3IAEq:ADqPoBhtky

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3195) 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

pid	Process
2748	mssecsvc.exe
2788	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

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

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

System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	mssecsvc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	mssecsvc.exe

Modifies data under HKEY_USERS 24 IoCs

description	ioc	Process
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{C1D67307-D9C1-427A-9D38-CAAC2ABF5633}\WpadDecision = "0"	mssecsvc.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\36-aa-a9-46-05-c1\WpadDecisionTime = a08fff877df8da01	mssecsvc.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	mssecsvc.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	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\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
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{C1D67307-D9C1-427A-9D38-CAAC2ABF5633}\WpadDecisionReason = "1"	mssecsvc.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\36-aa-a9-46-05-c1	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\ZoneMap\UNCAsIntranet = "0"	mssecsvc.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{C1D67307-D9C1-427A-9D38-CAAC2ABF5633}\WpadNetworkName = "Network 3"	mssecsvc.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\36-aa-a9-46-05-c1\WpadDecisionReason = "1"	mssecsvc.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	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\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f00ac000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	mssecsvc.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{C1D67307-D9C1-427A-9D38-CAAC2ABF5633}	mssecsvc.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{C1D67307-D9C1-427A-9D38-CAAC2ABF5633}\WpadDecisionTime = a08fff877df8da01	mssecsvc.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{C1D67307-D9C1-427A-9D38-CAAC2ABF5633}\36-aa-a9-46-05-c1	mssecsvc.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\36-aa-a9-46-05-c1\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

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2748	mssecsvc.exe
2788	mssecsvc.exe

Suspicious behavior: MapViewOfSection 47 IoCs

pid	Process
2748	mssecsvc.exe
2748	mssecsvc.exe
2748	mssecsvc.exe
2748	mssecsvc.exe
2748	mssecsvc.exe
2748	mssecsvc.exe
2748	mssecsvc.exe
2748	mssecsvc.exe
2748	mssecsvc.exe
2748	mssecsvc.exe
2748	mssecsvc.exe
2748	mssecsvc.exe
2748	mssecsvc.exe
2748	mssecsvc.exe
2748	mssecsvc.exe
2748	mssecsvc.exe
2748	mssecsvc.exe
2748	mssecsvc.exe
2748	mssecsvc.exe
2748	mssecsvc.exe
2748	mssecsvc.exe
2748	mssecsvc.exe
2748	mssecsvc.exe
2788	mssecsvc.exe
2788	mssecsvc.exe
2788	mssecsvc.exe
2788	mssecsvc.exe
2788	mssecsvc.exe
2788	mssecsvc.exe
2788	mssecsvc.exe
2788	mssecsvc.exe
2788	mssecsvc.exe
2788	mssecsvc.exe
2788	mssecsvc.exe
2788	mssecsvc.exe
2788	mssecsvc.exe
2788	mssecsvc.exe
2788	mssecsvc.exe
2788	mssecsvc.exe
2788	mssecsvc.exe
2788	mssecsvc.exe
2788	mssecsvc.exe
2788	mssecsvc.exe
2788	mssecsvc.exe
2788	mssecsvc.exe
2788	mssecsvc.exe
2788	mssecsvc.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2748	mssecsvc.exe
Token: SeDebugPrivilege	2788	mssecsvc.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3032 wrote to memory of 2772	3032	rundll32.exe	30
PID 3032 wrote to memory of 2772	3032	rundll32.exe	30
PID 3032 wrote to memory of 2772	3032	rundll32.exe	30
PID 3032 wrote to memory of 2772	3032	rundll32.exe	30
PID 3032 wrote to memory of 2772	3032	rundll32.exe	30
PID 3032 wrote to memory of 2772	3032	rundll32.exe	30
PID 3032 wrote to memory of 2772	3032	rundll32.exe	30
PID 2772 wrote to memory of 2748	2772	rundll32.exe	31
PID 2772 wrote to memory of 2748	2772	rundll32.exe	31
PID 2772 wrote to memory of 2748	2772	rundll32.exe	31
PID 2772 wrote to memory of 2748	2772	rundll32.exe	31
PID 2748 wrote to memory of 384	2748	mssecsvc.exe	3
PID 2748 wrote to memory of 384	2748	mssecsvc.exe	3
PID 2748 wrote to memory of 384	2748	mssecsvc.exe	3
PID 2748 wrote to memory of 384	2748	mssecsvc.exe	3
PID 2748 wrote to memory of 384	2748	mssecsvc.exe	3
PID 2748 wrote to memory of 384	2748	mssecsvc.exe	3
PID 2748 wrote to memory of 384	2748	mssecsvc.exe	3
PID 2748 wrote to memory of 396	2748	mssecsvc.exe	4
PID 2748 wrote to memory of 396	2748	mssecsvc.exe	4
PID 2748 wrote to memory of 396	2748	mssecsvc.exe	4
PID 2748 wrote to memory of 396	2748	mssecsvc.exe	4
PID 2748 wrote to memory of 396	2748	mssecsvc.exe	4
PID 2748 wrote to memory of 396	2748	mssecsvc.exe	4
PID 2748 wrote to memory of 396	2748	mssecsvc.exe	4
PID 2748 wrote to memory of 432	2748	mssecsvc.exe	5
PID 2748 wrote to memory of 432	2748	mssecsvc.exe	5
PID 2748 wrote to memory of 432	2748	mssecsvc.exe	5
PID 2748 wrote to memory of 432	2748	mssecsvc.exe	5
PID 2748 wrote to memory of 432	2748	mssecsvc.exe	5
PID 2748 wrote to memory of 432	2748	mssecsvc.exe	5
PID 2748 wrote to memory of 432	2748	mssecsvc.exe	5
PID 2748 wrote to memory of 480	2748	mssecsvc.exe	6
PID 2748 wrote to memory of 480	2748	mssecsvc.exe	6
PID 2748 wrote to memory of 480	2748	mssecsvc.exe	6
PID 2748 wrote to memory of 480	2748	mssecsvc.exe	6
PID 2748 wrote to memory of 480	2748	mssecsvc.exe	6
PID 2748 wrote to memory of 480	2748	mssecsvc.exe	6
PID 2748 wrote to memory of 480	2748	mssecsvc.exe	6
PID 2748 wrote to memory of 488	2748	mssecsvc.exe	7
PID 2748 wrote to memory of 488	2748	mssecsvc.exe	7
PID 2748 wrote to memory of 488	2748	mssecsvc.exe	7
PID 2748 wrote to memory of 488	2748	mssecsvc.exe	7
PID 2748 wrote to memory of 488	2748	mssecsvc.exe	7
PID 2748 wrote to memory of 488	2748	mssecsvc.exe	7
PID 2748 wrote to memory of 488	2748	mssecsvc.exe	7
PID 2748 wrote to memory of 496	2748	mssecsvc.exe	8
PID 2748 wrote to memory of 496	2748	mssecsvc.exe	8
PID 2748 wrote to memory of 496	2748	mssecsvc.exe	8
PID 2748 wrote to memory of 496	2748	mssecsvc.exe	8
PID 2748 wrote to memory of 496	2748	mssecsvc.exe	8
PID 2748 wrote to memory of 496	2748	mssecsvc.exe	8
PID 2748 wrote to memory of 496	2748	mssecsvc.exe	8
PID 2748 wrote to memory of 596	2748	mssecsvc.exe	9
PID 2748 wrote to memory of 596	2748	mssecsvc.exe	9
PID 2748 wrote to memory of 596	2748	mssecsvc.exe	9
PID 2748 wrote to memory of 596	2748	mssecsvc.exe	9
PID 2748 wrote to memory of 596	2748	mssecsvc.exe	9
PID 2748 wrote to memory of 596	2748	mssecsvc.exe	9
PID 2748 wrote to memory of 596	2748	mssecsvc.exe	9
PID 2748 wrote to memory of 672	2748	mssecsvc.exe	10
PID 2748 wrote to memory of 672	2748	mssecsvc.exe	10
PID 2748 wrote to memory of 672	2748	mssecsvc.exe	10
PID 2748 wrote to memory of 672	2748	mssecsvc.exe	10

C:\Windows\system32\wininit.exe
wininit.exe
1⤵
PID:384
- 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:596
  - - C:\Windows\system32\wbem\wmiprvse.exe
      C:\Windows\system32\wbem\wmiprvse.exe
      4⤵
      PID:1556
  - - C:\Windows\system32\DllHost.exe
      C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
      4⤵
      PID:1580
- - C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k RPCSS
    3⤵
    PID:672
- - 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:820
  - - C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      4⤵
      PID:1180
- - 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:968
- - C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k NetworkService
    3⤵
    PID:236
- - C:\Windows\System32\spoolsv.exe
    C:\Windows\System32\spoolsv.exe
    3⤵
    PID:880
- - C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k LocalServiceNoNetwork
    3⤵
    PID:1080
- - C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    3⤵
    PID:1116
- - C:\Program Files\Common Files\Microsoft Shared\OfficeSoftwareProtectionPlatform\OSPPSVC.EXE
    "C:\Program Files\Common Files\Microsoft Shared\OfficeSoftwareProtectionPlatform\OSPPSVC.EXE"
    3⤵
    PID:1412
- - C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k LocalServiceAndNoImpersonation
    3⤵
    PID:2080
- - C:\Windows\system32\sppsvc.exe
    C:\Windows\system32\sppsvc.exe
    3⤵
    PID:2240
- - C:\WINDOWS\mssecsvc.exe
    C:\WINDOWS\mssecsvc.exe -m security
    3⤵
    - Executes dropped EXE
    - Drops file in System32 directory
    - System Location Discovery: System Language Discovery
    - Modifies data under HKEY_USERS
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:2788
- 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:396

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

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1212
- C:\Windows\system32\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\c501a8cfba0e9448098000ecba9f66ed_JaffaCakes118.dll,#1
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3032
- - C:\Windows\SysWOW64\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\c501a8cfba0e9448098000ecba9f66ed_JaffaCakes118.dll,#1
    3⤵
    - Drops file in Windows directory
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2772
  - - C:\WINDOWS\mssecsvc.exe
      C:\WINDOWS\mssecsvc.exe
      4⤵
      Executes dropped EXE
      Drops file in Windows directory
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      Suspicious behavior: MapViewOfSection
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of WriteProcessMemory
      PID:2748

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Network Service Discovery

T1046

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Windows\mssecsvc.exe

Filesize
3.6MB

MD5
a46371da044417b859eb9f39d5ce7a05

SHA1
71b7ee4cdafcc499bc9d8bff92062f97e6cdb238

SHA256
5733f3d77498a9dca8b28ecf1b70973e55a4a93019cbe85a8bc4df93f19e7e45

SHA512
ac7670989e9ee2a3a8b08b25f160a3c4cf6abef61930a936d8d2b8a538f29d5d257428b9d212d36046f8070413411103916b7a6c8c42d175c1bd59d7def21ea2

Download Submit
memory/2748-8-0x000000007784F000-0x0000000077850000-memory.dmp

Filesize
4KB

Download
memory/2748-7-0x0000000077850000-0x0000000077851000-memory.dmp

Filesize
4KB

Download
memory/2748-6-0x0000000000400000-0x0000000000A70000-memory.dmp

Filesize
6.4MB

Download
memory/2748-13-0x000000007EF80000-0x000000007EF8A000-memory.dmp

Filesize
40KB

Download
memory/2788-10-0x0000000000400000-0x0000000000A70000-memory.dmp

Filesize
6.4MB

Download