wannacry | f4e8357d77381a2d15d71d4309261236bfb78b53ab127162dad943cb897a0e4b

Analysis

max time kernel
150s
max time network
150s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
13/09/2024, 05:48

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General

Target

ddcb0dfe88540e6970300ec0630ddf5b_JaffaCakes118.dll
Size

5.0MB
MD5

ddcb0dfe88540e6970300ec0630ddf5b
SHA1

cfc57a371695de380053066c51c4257336ee8d72
SHA256

f4e8357d77381a2d15d71d4309261236bfb78b53ab127162dad943cb897a0e4b
SHA512

04d18398871d010e505a025abfb3d5af242c28e77bef0356ab2e6dcb3c3aa6fd1e8037159613c14cd6caecf8bba0f9277706ab507921a9543406a388047d6bf7
SSDEEP

49152:tnAQqMSPbcBVthnvxJM0H9PAMEcaEau3R8yAH1plAHa:hDqPoBXhvxWa9P593R8yAVp2Ha

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3139) 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
2236	mssecsvc.exe
2776	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
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\{42C6E237-002A-4A84-A74E-9F2E812C4D68}	mssecsvc.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{42C6E237-002A-4A84-A74E-9F2E812C4D68}\WpadDecisionReason = "1"	mssecsvc.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{42C6E237-002A-4A84-A74E-9F2E812C4D68}\WpadNetworkName = "Network 3"	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
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\AutoDetect = "1"	mssecsvc.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{42C6E237-002A-4A84-A74E-9F2E812C4D68}\WpadDecisionTime = 50a68498a005db01	mssecsvc.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{42C6E237-002A-4A84-A74E-9F2E812C4D68}\WpadDecision = "0"	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\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\Wpad\62-68-bf-e0-0d-4a\WpadDecisionReason = "1"	mssecsvc.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\62-68-bf-e0-0d-4a\WpadDecisionTime = 50a68498a005db01	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
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\62-68-bf-e0-0d-4a	mssecsvc.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f00d9000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	mssecsvc.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{42C6E237-002A-4A84-A74E-9F2E812C4D68}\62-68-bf-e0-0d-4a	mssecsvc.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\62-68-bf-e0-0d-4a\WpadDecision = "0"	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\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

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2236	mssecsvc.exe
2776	mssecsvc.exe

Suspicious behavior: MapViewOfSection 43 IoCs

pid	Process
2236	mssecsvc.exe
2236	mssecsvc.exe
2236	mssecsvc.exe
2236	mssecsvc.exe
2236	mssecsvc.exe
2236	mssecsvc.exe
2236	mssecsvc.exe
2236	mssecsvc.exe
2236	mssecsvc.exe
2236	mssecsvc.exe
2236	mssecsvc.exe
2236	mssecsvc.exe
2236	mssecsvc.exe
2236	mssecsvc.exe
2236	mssecsvc.exe
2236	mssecsvc.exe
2236	mssecsvc.exe
2236	mssecsvc.exe
2236	mssecsvc.exe
2236	mssecsvc.exe
2236	mssecsvc.exe
2776	mssecsvc.exe
2776	mssecsvc.exe
2776	mssecsvc.exe
2776	mssecsvc.exe
2776	mssecsvc.exe
2776	mssecsvc.exe
2776	mssecsvc.exe
2776	mssecsvc.exe
2776	mssecsvc.exe
2776	mssecsvc.exe
2776	mssecsvc.exe
2776	mssecsvc.exe
2776	mssecsvc.exe
2776	mssecsvc.exe
2776	mssecsvc.exe
2776	mssecsvc.exe
2776	mssecsvc.exe
2776	mssecsvc.exe
2776	mssecsvc.exe
2776	mssecsvc.exe
2776	mssecsvc.exe
2776	mssecsvc.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2236	mssecsvc.exe
Token: SeDebugPrivilege	2776	mssecsvc.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2232 wrote to memory of 2228	2232	rundll32.exe	28
PID 2232 wrote to memory of 2228	2232	rundll32.exe	28
PID 2232 wrote to memory of 2228	2232	rundll32.exe	28
PID 2232 wrote to memory of 2228	2232	rundll32.exe	28
PID 2232 wrote to memory of 2228	2232	rundll32.exe	28
PID 2232 wrote to memory of 2228	2232	rundll32.exe	28
PID 2232 wrote to memory of 2228	2232	rundll32.exe	28
PID 2228 wrote to memory of 2236	2228	rundll32.exe	29
PID 2228 wrote to memory of 2236	2228	rundll32.exe	29
PID 2228 wrote to memory of 2236	2228	rundll32.exe	29
PID 2228 wrote to memory of 2236	2228	rundll32.exe	29
PID 2236 wrote to memory of 380	2236	mssecsvc.exe	3
PID 2236 wrote to memory of 380	2236	mssecsvc.exe	3
PID 2236 wrote to memory of 380	2236	mssecsvc.exe	3
PID 2236 wrote to memory of 380	2236	mssecsvc.exe	3
PID 2236 wrote to memory of 380	2236	mssecsvc.exe	3
PID 2236 wrote to memory of 380	2236	mssecsvc.exe	3
PID 2236 wrote to memory of 380	2236	mssecsvc.exe	3
PID 2236 wrote to memory of 388	2236	mssecsvc.exe	4
PID 2236 wrote to memory of 388	2236	mssecsvc.exe	4
PID 2236 wrote to memory of 388	2236	mssecsvc.exe	4
PID 2236 wrote to memory of 388	2236	mssecsvc.exe	4
PID 2236 wrote to memory of 388	2236	mssecsvc.exe	4
PID 2236 wrote to memory of 388	2236	mssecsvc.exe	4
PID 2236 wrote to memory of 388	2236	mssecsvc.exe	4
PID 2236 wrote to memory of 428	2236	mssecsvc.exe	5
PID 2236 wrote to memory of 428	2236	mssecsvc.exe	5
PID 2236 wrote to memory of 428	2236	mssecsvc.exe	5
PID 2236 wrote to memory of 428	2236	mssecsvc.exe	5
PID 2236 wrote to memory of 428	2236	mssecsvc.exe	5
PID 2236 wrote to memory of 428	2236	mssecsvc.exe	5
PID 2236 wrote to memory of 428	2236	mssecsvc.exe	5
PID 2236 wrote to memory of 476	2236	mssecsvc.exe	6
PID 2236 wrote to memory of 476	2236	mssecsvc.exe	6
PID 2236 wrote to memory of 476	2236	mssecsvc.exe	6
PID 2236 wrote to memory of 476	2236	mssecsvc.exe	6
PID 2236 wrote to memory of 476	2236	mssecsvc.exe	6
PID 2236 wrote to memory of 476	2236	mssecsvc.exe	6
PID 2236 wrote to memory of 476	2236	mssecsvc.exe	6
PID 2236 wrote to memory of 484	2236	mssecsvc.exe	7
PID 2236 wrote to memory of 484	2236	mssecsvc.exe	7
PID 2236 wrote to memory of 484	2236	mssecsvc.exe	7
PID 2236 wrote to memory of 484	2236	mssecsvc.exe	7
PID 2236 wrote to memory of 484	2236	mssecsvc.exe	7
PID 2236 wrote to memory of 484	2236	mssecsvc.exe	7
PID 2236 wrote to memory of 484	2236	mssecsvc.exe	7
PID 2236 wrote to memory of 492	2236	mssecsvc.exe	8
PID 2236 wrote to memory of 492	2236	mssecsvc.exe	8
PID 2236 wrote to memory of 492	2236	mssecsvc.exe	8
PID 2236 wrote to memory of 492	2236	mssecsvc.exe	8
PID 2236 wrote to memory of 492	2236	mssecsvc.exe	8
PID 2236 wrote to memory of 492	2236	mssecsvc.exe	8
PID 2236 wrote to memory of 492	2236	mssecsvc.exe	8
PID 2236 wrote to memory of 596	2236	mssecsvc.exe	9
PID 2236 wrote to memory of 596	2236	mssecsvc.exe	9
PID 2236 wrote to memory of 596	2236	mssecsvc.exe	9
PID 2236 wrote to memory of 596	2236	mssecsvc.exe	9
PID 2236 wrote to memory of 596	2236	mssecsvc.exe	9
PID 2236 wrote to memory of 596	2236	mssecsvc.exe	9
PID 2236 wrote to memory of 596	2236	mssecsvc.exe	9
PID 2236 wrote to memory of 672	2236	mssecsvc.exe	10
PID 2236 wrote to memory of 672	2236	mssecsvc.exe	10
PID 2236 wrote to memory of 672	2236	mssecsvc.exe	10
PID 2236 wrote to memory of 672	2236	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:476
- - 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:1448
- - 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:748
- - C:\Windows\System32\svchost.exe
    C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted
    3⤵
    PID:812
  - - C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      4⤵
      PID:1164
- - 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:280
- - C:\Windows\System32\spoolsv.exe
    C:\Windows\System32\spoolsv.exe
    3⤵
    PID:340
- - C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k LocalServiceNoNetwork
    3⤵
    PID:1072
- - C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    3⤵
    PID:1108
- - C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k LocalServiceAndNoImpersonation
    3⤵
    PID:1580
- - C:\Windows\system32\sppsvc.exe
    C:\Windows\system32\sppsvc.exe
    3⤵
    PID:1756
- - 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:2776
- C:\Windows\system32\lsass.exe
  C:\Windows\system32\lsass.exe
  2⤵
  PID:484
- C:\Windows\system32\lsm.exe
  C:\Windows\system32\lsm.exe
  2⤵
  PID:492

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:1212
- C:\Windows\system32\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\ddcb0dfe88540e6970300ec0630ddf5b_JaffaCakes118.dll,#1
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2232
- - C:\Windows\SysWOW64\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\ddcb0dfe88540e6970300ec0630ddf5b_JaffaCakes118.dll,#1
    3⤵
    - Drops file in Windows directory
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2228
  - - 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:2236

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
a3a942b5aba5c168676f41cd729db6d9

SHA1
2c75155cd090b855354223a721664ca18500891f

SHA256
42bf79ebe6e637af104a5bad217838b9fcaf8bffaae3b6117417d21e33913dce

SHA512
adab67103cc873b1ea5f516280c0069f9c2fd0cb144ab2089e4ca8f91fec820293439874827d962ff46ba1980a701370fd205c1d682e007055cf7c0c97adeedf

Download Submit
memory/2228-6-0x0000000002180000-0x00000000027F3000-memory.dmp

Filesize
6.4MB

Download
memory/2236-8-0x0000000077730000-0x0000000077731000-memory.dmp

Filesize
4KB

Download
memory/2236-9-0x000000007772F000-0x0000000077730000-memory.dmp

Filesize
4KB

Download
memory/2236-7-0x0000000000400000-0x0000000000A73000-memory.dmp

Filesize
6.4MB

Download
memory/2236-15-0x000000007772F000-0x0000000077730000-memory.dmp

Filesize
4KB

Download
memory/2236-14-0x000000007EF70000-0x000000007EF7C000-memory.dmp

Filesize
48KB

Download
memory/2236-13-0x0000000077730000-0x0000000077731000-memory.dmp

Filesize
4KB

Download
memory/2236-16-0x0000000000400000-0x0000000000A73000-memory.dmp

Filesize
6.4MB

Download
memory/2776-11-0x0000000000400000-0x0000000000A73000-memory.dmp

Filesize
6.4MB

Download
memory/2776-18-0x0000000000400000-0x0000000000A73000-memory.dmp

Filesize
6.4MB

Download