wannacry | b9ffda82a201a7185fcdbfaa56e246f95f131059a2f1849aa1eb741e0b443c18

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
25/08/2024, 21:09

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General

Target

c196bc76f26382b9b96289276693a53f_JaffaCakes118.dll
Size

5.0MB
MD5

c196bc76f26382b9b96289276693a53f
SHA1

8a51e97077a789dfa26dbb7f271a12c5974d7e56
SHA256

b9ffda82a201a7185fcdbfaa56e246f95f131059a2f1849aa1eb741e0b443c18
SHA512

1ced4e95837aa1d886871755cbf18612a64f24b91bb947197c891f3a598ba54f259c3e83bf6d03ad2a075950e3d037ce5bdc9c3597a1579db1edf5a9ad25e256
SSDEEP

98304:0DqPoBhz1aRxcSUDk36SAEdhvxWa9P593R8yAVp2H:0DqPe1Cxcxk3ZAEUadzR8yc4H

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3228) 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
2316	mssecsvc.exe
3044	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	mssecsvc.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{AE2F8129-44D7-4EFB-B0AD-2616222C41D1}\WpadDecisionTime = f023750b33f7da01	mssecsvc.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\6e-94-5c-69-b3-50\WpadDecisionTime = f023750b33f7da01	mssecsvc.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\6e-94-5c-69-b3-50\WpadDecision = "0"	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\{AE2F8129-44D7-4EFB-B0AD-2616222C41D1}\6e-94-5c-69-b3-50	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
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{AE2F8129-44D7-4EFB-B0AD-2616222C41D1}	mssecsvc.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{AE2F8129-44D7-4EFB-B0AD-2616222C41D1}\WpadDecision = "0"	mssecsvc.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 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\UNCAsIntranet = "0"	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\6e-94-5c-69-b3-50	mssecsvc.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f0025000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	mssecsvc.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{AE2F8129-44D7-4EFB-B0AD-2616222C41D1}\WpadDecisionReason = "1"	mssecsvc.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{AE2F8129-44D7-4EFB-B0AD-2616222C41D1}\WpadNetworkName = "Network 3"	mssecsvc.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\6e-94-5c-69-b3-50\WpadDecisionReason = "1"	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	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

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2316	mssecsvc.exe
3044	mssecsvc.exe

Suspicious behavior: MapViewOfSection 47 IoCs

pid	Process
2316	mssecsvc.exe
2316	mssecsvc.exe
2316	mssecsvc.exe
2316	mssecsvc.exe
2316	mssecsvc.exe
2316	mssecsvc.exe
2316	mssecsvc.exe
2316	mssecsvc.exe
2316	mssecsvc.exe
2316	mssecsvc.exe
2316	mssecsvc.exe
2316	mssecsvc.exe
2316	mssecsvc.exe
2316	mssecsvc.exe
2316	mssecsvc.exe
2316	mssecsvc.exe
2316	mssecsvc.exe
2316	mssecsvc.exe
2316	mssecsvc.exe
2316	mssecsvc.exe
2316	mssecsvc.exe
2316	mssecsvc.exe
2316	mssecsvc.exe
3044	mssecsvc.exe
3044	mssecsvc.exe
3044	mssecsvc.exe
3044	mssecsvc.exe
3044	mssecsvc.exe
3044	mssecsvc.exe
3044	mssecsvc.exe
3044	mssecsvc.exe
3044	mssecsvc.exe
3044	mssecsvc.exe
3044	mssecsvc.exe
3044	mssecsvc.exe
3044	mssecsvc.exe
3044	mssecsvc.exe
3044	mssecsvc.exe
3044	mssecsvc.exe
3044	mssecsvc.exe
3044	mssecsvc.exe
3044	mssecsvc.exe
3044	mssecsvc.exe
3044	mssecsvc.exe
3044	mssecsvc.exe
3044	mssecsvc.exe
3044	mssecsvc.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2316	mssecsvc.exe
Token: SeDebugPrivilege	3044	mssecsvc.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2524 wrote to memory of 856	2524	rundll32.exe	29
PID 2524 wrote to memory of 856	2524	rundll32.exe	29
PID 2524 wrote to memory of 856	2524	rundll32.exe	29
PID 2524 wrote to memory of 856	2524	rundll32.exe	29
PID 2524 wrote to memory of 856	2524	rundll32.exe	29
PID 2524 wrote to memory of 856	2524	rundll32.exe	29
PID 2524 wrote to memory of 856	2524	rundll32.exe	29
PID 856 wrote to memory of 2316	856	rundll32.exe	30
PID 856 wrote to memory of 2316	856	rundll32.exe	30
PID 856 wrote to memory of 2316	856	rundll32.exe	30
PID 856 wrote to memory of 2316	856	rundll32.exe	30
PID 2316 wrote to memory of 380	2316	mssecsvc.exe	3
PID 2316 wrote to memory of 380	2316	mssecsvc.exe	3
PID 2316 wrote to memory of 380	2316	mssecsvc.exe	3
PID 2316 wrote to memory of 380	2316	mssecsvc.exe	3
PID 2316 wrote to memory of 380	2316	mssecsvc.exe	3
PID 2316 wrote to memory of 380	2316	mssecsvc.exe	3
PID 2316 wrote to memory of 380	2316	mssecsvc.exe	3
PID 2316 wrote to memory of 392	2316	mssecsvc.exe	4
PID 2316 wrote to memory of 392	2316	mssecsvc.exe	4
PID 2316 wrote to memory of 392	2316	mssecsvc.exe	4
PID 2316 wrote to memory of 392	2316	mssecsvc.exe	4
PID 2316 wrote to memory of 392	2316	mssecsvc.exe	4
PID 2316 wrote to memory of 392	2316	mssecsvc.exe	4
PID 2316 wrote to memory of 392	2316	mssecsvc.exe	4
PID 2316 wrote to memory of 428	2316	mssecsvc.exe	5
PID 2316 wrote to memory of 428	2316	mssecsvc.exe	5
PID 2316 wrote to memory of 428	2316	mssecsvc.exe	5
PID 2316 wrote to memory of 428	2316	mssecsvc.exe	5
PID 2316 wrote to memory of 428	2316	mssecsvc.exe	5
PID 2316 wrote to memory of 428	2316	mssecsvc.exe	5
PID 2316 wrote to memory of 428	2316	mssecsvc.exe	5
PID 2316 wrote to memory of 476	2316	mssecsvc.exe	6
PID 2316 wrote to memory of 476	2316	mssecsvc.exe	6
PID 2316 wrote to memory of 476	2316	mssecsvc.exe	6
PID 2316 wrote to memory of 476	2316	mssecsvc.exe	6
PID 2316 wrote to memory of 476	2316	mssecsvc.exe	6
PID 2316 wrote to memory of 476	2316	mssecsvc.exe	6
PID 2316 wrote to memory of 476	2316	mssecsvc.exe	6
PID 2316 wrote to memory of 484	2316	mssecsvc.exe	7
PID 2316 wrote to memory of 484	2316	mssecsvc.exe	7
PID 2316 wrote to memory of 484	2316	mssecsvc.exe	7
PID 2316 wrote to memory of 484	2316	mssecsvc.exe	7
PID 2316 wrote to memory of 484	2316	mssecsvc.exe	7
PID 2316 wrote to memory of 484	2316	mssecsvc.exe	7
PID 2316 wrote to memory of 484	2316	mssecsvc.exe	7
PID 2316 wrote to memory of 492	2316	mssecsvc.exe	8
PID 2316 wrote to memory of 492	2316	mssecsvc.exe	8
PID 2316 wrote to memory of 492	2316	mssecsvc.exe	8
PID 2316 wrote to memory of 492	2316	mssecsvc.exe	8
PID 2316 wrote to memory of 492	2316	mssecsvc.exe	8
PID 2316 wrote to memory of 492	2316	mssecsvc.exe	8
PID 2316 wrote to memory of 492	2316	mssecsvc.exe	8
PID 2316 wrote to memory of 600	2316	mssecsvc.exe	9
PID 2316 wrote to memory of 600	2316	mssecsvc.exe	9
PID 2316 wrote to memory of 600	2316	mssecsvc.exe	9
PID 2316 wrote to memory of 600	2316	mssecsvc.exe	9
PID 2316 wrote to memory of 600	2316	mssecsvc.exe	9
PID 2316 wrote to memory of 600	2316	mssecsvc.exe	9
PID 2316 wrote to memory of 600	2316	mssecsvc.exe	9
PID 2316 wrote to memory of 676	2316	mssecsvc.exe	10
PID 2316 wrote to memory of 676	2316	mssecsvc.exe	10
PID 2316 wrote to memory of 676	2316	mssecsvc.exe	10
PID 2316 wrote to memory of 676	2316	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:600
  - - C:\Windows\system32\DllHost.exe
      C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
      4⤵
      PID:864
  - - C:\Windows\system32\wbem\wmiprvse.exe
      C:\Windows\system32\wbem\wmiprvse.exe
      4⤵
      PID:808
- - 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:744
- - 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:1184
- - 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:968
- - C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k NetworkService
    3⤵
    PID:268
- - C:\Windows\System32\spoolsv.exe
    C:\Windows\System32\spoolsv.exe
    3⤵
    PID:336
- - C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k LocalServiceNoNetwork
    3⤵
    PID:1036
- - C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    3⤵
    PID:1112
- - C:\Program Files\Common Files\Microsoft Shared\OfficeSoftwareProtectionPlatform\OSPPSVC.EXE
    "C:\Program Files\Common Files\Microsoft Shared\OfficeSoftwareProtectionPlatform\OSPPSVC.EXE"
    3⤵
    PID:1592
- - C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k LocalServiceAndNoImpersonation
    3⤵
    PID:1968
- - C:\Windows\system32\sppsvc.exe
    C:\Windows\system32\sppsvc.exe
    3⤵
    PID:1956
- - 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:3044
- 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:392

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

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1244
- C:\Windows\system32\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\c196bc76f26382b9b96289276693a53f_JaffaCakes118.dll,#1
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2524
- - C:\Windows\SysWOW64\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\c196bc76f26382b9b96289276693a53f_JaffaCakes118.dll,#1
    3⤵
    - Drops file in Windows directory
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:856
  - - 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:2316

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
212e427d5110c73222dc7184744ea40c

SHA1
ab51fce268ae6c4065d10dc40f39054b3c2908b6

SHA256
06ea37d862694d2a2ff0b6199a99afae9eccf01da3f7bd0b764642ad36b7ed30

SHA512
5e578cd6c1951d4766f8150ff63471b6f8d94d78762ff35d016b9b894d61eaf2a8f2814cea00a839f986860df0e2b07be4462a2a5bda42730f050076f4b0dea9

Download Submit
memory/856-6-0x0000000002330000-0x00000000029A3000-memory.dmp

Filesize
6.4MB

Download
memory/2316-9-0x0000000077050000-0x0000000077051000-memory.dmp

Filesize
4KB

Download
memory/2316-8-0x000000007704F000-0x0000000077050000-memory.dmp

Filesize
4KB

Download
memory/2316-7-0x0000000000400000-0x0000000000A73000-memory.dmp

Filesize
6.4MB

Download
memory/2316-11-0x0000000077050000-0x0000000077051000-memory.dmp

Filesize
4KB

Download
memory/2316-15-0x000000007EF70000-0x000000007EF7C000-memory.dmp

Filesize
48KB

Download
memory/2316-14-0x0000000000400000-0x0000000000A73000-memory.dmp

Filesize
6.4MB

Download
memory/3044-16-0x0000000000400000-0x0000000000A73000-memory.dmp

Filesize
6.4MB

Download