wannacry | 6b671ff703de985340a36c6c52a1e1c461b3829d150c292da1391485e2f65ba4

Analysis

max time kernel
150s
max time network
150s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
16-09-2024 15:41

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General

Target

e514bafb4f6cc39e9a92eea46faddf72_JaffaCakes118.dll
Size

5.0MB
MD5

e514bafb4f6cc39e9a92eea46faddf72
SHA1

0d1b1cb8e8b61f867d1a65847e79390448196085
SHA256

6b671ff703de985340a36c6c52a1e1c461b3829d150c292da1391485e2f65ba4
SHA512

b318cf8fd18111aeb7a8ae581d108fc0066fd4c51134adba56819d412e41124e5b79cbc27bf20da327c505501c356d0d46259de345c3f883efab52d02d250f6b
SSDEEP

49152:knAQqMSPbcBVQej/1INRx+TSqTdX1HkQo6SAA:UDqPoBhz1aRxcSUDk36SA

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3284) 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
2200	mssecsvc.exe
2900	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 3 IoCs

description	ioc	Process
File created	C:\WINDOWS\mssecsvc.exe	rundll32.exe
File created	C:\WINDOWS\tasksche.exe	mssecsvc.exe
File opened for modification	C:\WINDOWS\MSSECSVC.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 (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{2B21CB88-E3E4-4B9D-9A03-3E6D6478A99E}\WpadDecisionTime = c0649fda4e08db01	mssecsvc.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\76-c3-92-6c-3c-be\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\ZoneMap\AutoDetect = "1"	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\{2B21CB88-E3E4-4B9D-9A03-3E6D6478A99E}	mssecsvc.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\76-c3-92-6c-3c-be	mssecsvc.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{2B21CB88-E3E4-4B9D-9A03-3E6D6478A99E}\76-c3-92-6c-3c-be	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 (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	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
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f0115000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	mssecsvc.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{2B21CB88-E3E4-4B9D-9A03-3E6D6478A99E}\WpadDecisionReason = "1"	mssecsvc.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{2B21CB88-E3E4-4B9D-9A03-3E6D6478A99E}\WpadDecision = "0"	mssecsvc.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	mssecsvc.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	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\5.0\Cache\Content\CachePrefix	mssecsvc.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	mssecsvc.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{2B21CB88-E3E4-4B9D-9A03-3E6D6478A99E}\WpadNetworkName = "Network 3"	mssecsvc.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\76-c3-92-6c-3c-be\WpadDecisionReason = "1"	mssecsvc.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\76-c3-92-6c-3c-be\WpadDecisionTime = c0649fda4e08db01	mssecsvc.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2200	mssecsvc.exe
2900	mssecsvc.exe

Suspicious behavior: MapViewOfSection 51 IoCs

pid	Process
2200	mssecsvc.exe
2200	mssecsvc.exe
2200	mssecsvc.exe
2200	mssecsvc.exe
2200	mssecsvc.exe
2200	mssecsvc.exe
2200	mssecsvc.exe
2200	mssecsvc.exe
2200	mssecsvc.exe
2200	mssecsvc.exe
2200	mssecsvc.exe
2200	mssecsvc.exe
2200	mssecsvc.exe
2200	mssecsvc.exe
2200	mssecsvc.exe
2200	mssecsvc.exe
2200	mssecsvc.exe
2200	mssecsvc.exe
2200	mssecsvc.exe
2200	mssecsvc.exe
2200	mssecsvc.exe
2200	mssecsvc.exe
2200	mssecsvc.exe
2200	mssecsvc.exe
2200	mssecsvc.exe
2200	mssecsvc.exe
2900	mssecsvc.exe
2900	mssecsvc.exe
2900	mssecsvc.exe
2900	mssecsvc.exe
2900	mssecsvc.exe
2900	mssecsvc.exe
2900	mssecsvc.exe
2900	mssecsvc.exe
2900	mssecsvc.exe
2900	mssecsvc.exe
2900	mssecsvc.exe
2900	mssecsvc.exe
2900	mssecsvc.exe
2900	mssecsvc.exe
2900	mssecsvc.exe
2900	mssecsvc.exe
2900	mssecsvc.exe
2900	mssecsvc.exe
2900	mssecsvc.exe
2900	mssecsvc.exe
2900	mssecsvc.exe
2900	mssecsvc.exe
2900	mssecsvc.exe
2900	mssecsvc.exe
2900	mssecsvc.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeDebugPrivilege	2200	mssecsvc.exe
Token: SeDebugPrivilege	2900	mssecsvc.exe
Token: SeTakeOwnershipPrivilege	2900	mssecsvc.exe
Token: SeRestorePrivilege	2900	mssecsvc.exe
Token: SeBackupPrivilege	2900	mssecsvc.exe
Token: SeChangeNotifyPrivilege	2900	mssecsvc.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2668 wrote to memory of 2772	2668	rundll32.exe	31
PID 2668 wrote to memory of 2772	2668	rundll32.exe	31
PID 2668 wrote to memory of 2772	2668	rundll32.exe	31
PID 2668 wrote to memory of 2772	2668	rundll32.exe	31
PID 2668 wrote to memory of 2772	2668	rundll32.exe	31
PID 2668 wrote to memory of 2772	2668	rundll32.exe	31
PID 2668 wrote to memory of 2772	2668	rundll32.exe	31
PID 2772 wrote to memory of 2200	2772	rundll32.exe	32
PID 2772 wrote to memory of 2200	2772	rundll32.exe	32
PID 2772 wrote to memory of 2200	2772	rundll32.exe	32
PID 2772 wrote to memory of 2200	2772	rundll32.exe	32
PID 2200 wrote to memory of 380	2200	mssecsvc.exe	3
PID 2200 wrote to memory of 380	2200	mssecsvc.exe	3
PID 2200 wrote to memory of 380	2200	mssecsvc.exe	3
PID 2200 wrote to memory of 380	2200	mssecsvc.exe	3
PID 2200 wrote to memory of 380	2200	mssecsvc.exe	3
PID 2200 wrote to memory of 380	2200	mssecsvc.exe	3
PID 2200 wrote to memory of 380	2200	mssecsvc.exe	3
PID 2200 wrote to memory of 388	2200	mssecsvc.exe	4
PID 2200 wrote to memory of 388	2200	mssecsvc.exe	4
PID 2200 wrote to memory of 388	2200	mssecsvc.exe	4
PID 2200 wrote to memory of 388	2200	mssecsvc.exe	4
PID 2200 wrote to memory of 388	2200	mssecsvc.exe	4
PID 2200 wrote to memory of 388	2200	mssecsvc.exe	4
PID 2200 wrote to memory of 388	2200	mssecsvc.exe	4
PID 2200 wrote to memory of 428	2200	mssecsvc.exe	5
PID 2200 wrote to memory of 428	2200	mssecsvc.exe	5
PID 2200 wrote to memory of 428	2200	mssecsvc.exe	5
PID 2200 wrote to memory of 428	2200	mssecsvc.exe	5
PID 2200 wrote to memory of 428	2200	mssecsvc.exe	5
PID 2200 wrote to memory of 428	2200	mssecsvc.exe	5
PID 2200 wrote to memory of 428	2200	mssecsvc.exe	5
PID 2200 wrote to memory of 472	2200	mssecsvc.exe	6
PID 2200 wrote to memory of 472	2200	mssecsvc.exe	6
PID 2200 wrote to memory of 472	2200	mssecsvc.exe	6
PID 2200 wrote to memory of 472	2200	mssecsvc.exe	6
PID 2200 wrote to memory of 472	2200	mssecsvc.exe	6
PID 2200 wrote to memory of 472	2200	mssecsvc.exe	6
PID 2200 wrote to memory of 472	2200	mssecsvc.exe	6
PID 2200 wrote to memory of 488	2200	mssecsvc.exe	7
PID 2200 wrote to memory of 488	2200	mssecsvc.exe	7
PID 2200 wrote to memory of 488	2200	mssecsvc.exe	7
PID 2200 wrote to memory of 488	2200	mssecsvc.exe	7
PID 2200 wrote to memory of 488	2200	mssecsvc.exe	7
PID 2200 wrote to memory of 488	2200	mssecsvc.exe	7
PID 2200 wrote to memory of 488	2200	mssecsvc.exe	7
PID 2200 wrote to memory of 496	2200	mssecsvc.exe	8
PID 2200 wrote to memory of 496	2200	mssecsvc.exe	8
PID 2200 wrote to memory of 496	2200	mssecsvc.exe	8
PID 2200 wrote to memory of 496	2200	mssecsvc.exe	8
PID 2200 wrote to memory of 496	2200	mssecsvc.exe	8
PID 2200 wrote to memory of 496	2200	mssecsvc.exe	8
PID 2200 wrote to memory of 496	2200	mssecsvc.exe	8
PID 2200 wrote to memory of 596	2200	mssecsvc.exe	9
PID 2200 wrote to memory of 596	2200	mssecsvc.exe	9
PID 2200 wrote to memory of 596	2200	mssecsvc.exe	9
PID 2200 wrote to memory of 596	2200	mssecsvc.exe	9
PID 2200 wrote to memory of 596	2200	mssecsvc.exe	9
PID 2200 wrote to memory of 596	2200	mssecsvc.exe	9
PID 2200 wrote to memory of 596	2200	mssecsvc.exe	9
PID 2200 wrote to memory of 676	2200	mssecsvc.exe	10
PID 2200 wrote to memory of 676	2200	mssecsvc.exe	10
PID 2200 wrote to memory of 676	2200	mssecsvc.exe	10
PID 2200 wrote to memory of 676	2200	mssecsvc.exe	10

C:\Windows\system32\wininit.exe
wininit.exe
1⤵
PID:380
- C:\Windows\system32\services.exe
  C:\Windows\system32\services.exe
  2⤵
  PID:472
- - C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k DcomLaunch
    3⤵
    PID:596
  - - C:\Windows\system32\DllHost.exe
      C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
      4⤵
      PID:1140
  - - C:\Windows\system32\wbem\wmiprvse.exe
      C:\Windows\system32\wbem\wmiprvse.exe
      4⤵
      PID:1600
- - C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k RPCSS
    3⤵
    PID:676
- - C:\Windows\System32\svchost.exe
    C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted
    3⤵
    PID:760
- - 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:1120
- - C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k netsvcs
    3⤵
    PID:848
  - - \\?\C:\Windows\system32\wbem\WMIADAP.EXE
      wmiadap.exe /F /T /R
      4⤵
      PID:2012
- - 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:280
- - C:\Windows\System32\spoolsv.exe
    C:\Windows\System32\spoolsv.exe
    3⤵
    PID:748
- - C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    3⤵
    PID:1060
- - C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k LocalServiceNoNetwork
    3⤵
    PID:1132
- - C:\Program Files\Common Files\Microsoft Shared\OfficeSoftwareProtectionPlatform\OSPPSVC.EXE
    "C:\Program Files\Common Files\Microsoft Shared\OfficeSoftwareProtectionPlatform\OSPPSVC.EXE"
    3⤵
    PID:1448
- - C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k LocalServiceAndNoImpersonation
    3⤵
    PID:1884
- - C:\Windows\system32\sppsvc.exe
    C:\Windows\system32\sppsvc.exe
    3⤵
    PID:2324
- - C:\WINDOWS\mssecsvc.exe
    C:\WINDOWS\mssecsvc.exe -m security
    3⤵
    - Executes dropped EXE
    - Drops file in System32 directory
    - Drops file in Windows directory
    - System Location Discovery: System Language Discovery
    - Modifies data under HKEY_USERS
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:2900
- 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:388

C:\Windows\system32\winlogon.exe
winlogon.exe
1⤵
PID:428

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1180
- C:\Windows\system32\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\e514bafb4f6cc39e9a92eea46faddf72_JaffaCakes118.dll,#1
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2668
- - C:\Windows\SysWOW64\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\e514bafb4f6cc39e9a92eea46faddf72_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:2200

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

Replay Monitor

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Downloads

C:\Windows\mssecsvc.exe

Filesize
3.6MB

MD5
24d7a26ebda43a857c5217781f1cd1f0

SHA1
a13acd60592d4537b708f91339da41eff3f45a3d

SHA256
fdc03e4fc5f467cc17d33690f9fd3739f18d9067fe919efbf73b71a6cba26064

SHA512
5a2795c66e342251d8928e66fbdf89d168c683d185d18e112944e3a0d642405090c75d9130b930bda7f934fb406121e31be3d2d0493d43499f42f4e6c3727cb1

Download Submit
memory/2200-13-0x0000000076F40000-0x0000000076F41000-memory.dmp

Filesize
4KB

Download
memory/2200-10-0x0000000076F40000-0x0000000076F41000-memory.dmp

Filesize
4KB

Download
memory/2200-9-0x0000000076F3F000-0x0000000076F40000-memory.dmp

Filesize
4KB

Download
memory/2200-8-0x0000000000400000-0x0000000000A79000-memory.dmp

Filesize
6.5MB

Download
memory/2200-15-0x000000007EF70000-0x000000007EF7C000-memory.dmp

Filesize
48KB

Download
memory/2200-14-0x0000000076F3F000-0x0000000076F40000-memory.dmp

Filesize
4KB

Download
memory/2200-19-0x000000007EF70000-0x000000007EF7C000-memory.dmp

Filesize
48KB

Download
memory/2200-18-0x0000000000400000-0x0000000000A79000-memory.dmp

Filesize
6.5MB

Download
memory/2772-7-0x000000007EFA0000-0x000000007EFAC000-memory.dmp

Filesize
48KB

Download
memory/2772-6-0x0000000002510000-0x0000000002B89000-memory.dmp

Filesize
6.5MB

Download
memory/2772-20-0x0000000002510000-0x0000000002B89000-memory.dmp

Filesize
6.5MB

Download
memory/2900-12-0x0000000000400000-0x0000000000A79000-memory.dmp

Filesize
6.5MB

Download
memory/2900-21-0x0000000000400000-0x0000000000A79000-memory.dmp

Filesize
6.5MB

Download