wannacry | 9974ef9a67abde0940c7c44f5a2f76304f5b1f9615f4a471804471a523f5d950

Resubmissions

26-08-2024 17:20

240826-vwd6ksxbrj 10

26-08-2024 15:48

240826-s8x34starj 10

Analysis

max time kernel
150s
max time network
150s
platform
windows7_x64
resource
win7-20240705-en
resource tags

arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
submitted
26-08-2024 15:48

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General

Target

c352124d7c524a2f4f48ce2ac16ebe88_JaffaCakes118.dll
Size

5.0MB
MD5

c352124d7c524a2f4f48ce2ac16ebe88
SHA1

593e5266addd75e3c12666fd335023008ee42e4e
SHA256

9974ef9a67abde0940c7c44f5a2f76304f5b1f9615f4a471804471a523f5d950
SHA512

ad124d4af25bbf34afa9c05d4604a1973577a009019d3c7fe0060e3adf5c976a1ac20b03ff122a7fdbe6b7c545f030afae396f79be407664dbca0b36960bb812
SSDEEP

49152:ynAQqMSPbcBVQej/1INRx+TSqTdX1HkQo6SAAZ0vZ6GIk:eDqPoBhz1aRxcSUDk36SAc0B6GIk

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3230) 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
2768	mssecsvc.exe
2440	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 (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\{3672FCC5-B714-4182-93C1-9663ACBBD70B}	mssecsvc.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\c2-1a-9c-06-72-ed	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\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	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\ProxyEnable = "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
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{3672FCC5-B714-4182-93C1-9663ACBBD70B}\WpadDecisionTime = 707e0464cff7da01	mssecsvc.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{3672FCC5-B714-4182-93C1-9663ACBBD70B}\c2-1a-9c-06-72-ed	mssecsvc.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\c2-1a-9c-06-72-ed\WpadDecisionReason = "1"	mssecsvc.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\c2-1a-9c-06-72-ed\WpadDecisionTime = 707e0464cff7da01	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\Wpad\{3672FCC5-B714-4182-93C1-9663ACBBD70B}\WpadDecisionReason = "1"	mssecsvc.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{3672FCC5-B714-4182-93C1-9663ACBBD70B}\WpadNetworkName = "Network 3"	mssecsvc.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\c2-1a-9c-06-72-ed\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	mssecsvc.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f00b1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	mssecsvc.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{3672FCC5-B714-4182-93C1-9663ACBBD70B}\WpadDecision = "0"	mssecsvc.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2768	mssecsvc.exe
2440	mssecsvc.exe

Suspicious behavior: MapViewOfSection 47 IoCs

pid	Process
2768	mssecsvc.exe
2768	mssecsvc.exe
2768	mssecsvc.exe
2768	mssecsvc.exe
2768	mssecsvc.exe
2768	mssecsvc.exe
2768	mssecsvc.exe
2768	mssecsvc.exe
2768	mssecsvc.exe
2768	mssecsvc.exe
2768	mssecsvc.exe
2768	mssecsvc.exe
2768	mssecsvc.exe
2768	mssecsvc.exe
2768	mssecsvc.exe
2768	mssecsvc.exe
2768	mssecsvc.exe
2768	mssecsvc.exe
2768	mssecsvc.exe
2768	mssecsvc.exe
2768	mssecsvc.exe
2768	mssecsvc.exe
2768	mssecsvc.exe
2440	mssecsvc.exe
2440	mssecsvc.exe
2440	mssecsvc.exe
2440	mssecsvc.exe
2440	mssecsvc.exe
2440	mssecsvc.exe
2440	mssecsvc.exe
2440	mssecsvc.exe
2440	mssecsvc.exe
2440	mssecsvc.exe
2440	mssecsvc.exe
2440	mssecsvc.exe
2440	mssecsvc.exe
2440	mssecsvc.exe
2440	mssecsvc.exe
2440	mssecsvc.exe
2440	mssecsvc.exe
2440	mssecsvc.exe
2440	mssecsvc.exe
2440	mssecsvc.exe
2440	mssecsvc.exe
2440	mssecsvc.exe
2440	mssecsvc.exe
2440	mssecsvc.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2768	mssecsvc.exe
Token: SeDebugPrivilege	2440	mssecsvc.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2228 wrote to memory of 2732	2228	rundll32.exe	30
PID 2228 wrote to memory of 2732	2228	rundll32.exe	30
PID 2228 wrote to memory of 2732	2228	rundll32.exe	30
PID 2228 wrote to memory of 2732	2228	rundll32.exe	30
PID 2228 wrote to memory of 2732	2228	rundll32.exe	30
PID 2228 wrote to memory of 2732	2228	rundll32.exe	30
PID 2228 wrote to memory of 2732	2228	rundll32.exe	30
PID 2732 wrote to memory of 2768	2732	rundll32.exe	31
PID 2732 wrote to memory of 2768	2732	rundll32.exe	31
PID 2732 wrote to memory of 2768	2732	rundll32.exe	31
PID 2732 wrote to memory of 2768	2732	rundll32.exe	31
PID 2768 wrote to memory of 384	2768	mssecsvc.exe	3
PID 2768 wrote to memory of 384	2768	mssecsvc.exe	3
PID 2768 wrote to memory of 384	2768	mssecsvc.exe	3
PID 2768 wrote to memory of 384	2768	mssecsvc.exe	3
PID 2768 wrote to memory of 384	2768	mssecsvc.exe	3
PID 2768 wrote to memory of 384	2768	mssecsvc.exe	3
PID 2768 wrote to memory of 384	2768	mssecsvc.exe	3
PID 2768 wrote to memory of 396	2768	mssecsvc.exe	4
PID 2768 wrote to memory of 396	2768	mssecsvc.exe	4
PID 2768 wrote to memory of 396	2768	mssecsvc.exe	4
PID 2768 wrote to memory of 396	2768	mssecsvc.exe	4
PID 2768 wrote to memory of 396	2768	mssecsvc.exe	4
PID 2768 wrote to memory of 396	2768	mssecsvc.exe	4
PID 2768 wrote to memory of 396	2768	mssecsvc.exe	4
PID 2768 wrote to memory of 432	2768	mssecsvc.exe	5
PID 2768 wrote to memory of 432	2768	mssecsvc.exe	5
PID 2768 wrote to memory of 432	2768	mssecsvc.exe	5
PID 2768 wrote to memory of 432	2768	mssecsvc.exe	5
PID 2768 wrote to memory of 432	2768	mssecsvc.exe	5
PID 2768 wrote to memory of 432	2768	mssecsvc.exe	5
PID 2768 wrote to memory of 432	2768	mssecsvc.exe	5
PID 2768 wrote to memory of 476	2768	mssecsvc.exe	6
PID 2768 wrote to memory of 476	2768	mssecsvc.exe	6
PID 2768 wrote to memory of 476	2768	mssecsvc.exe	6
PID 2768 wrote to memory of 476	2768	mssecsvc.exe	6
PID 2768 wrote to memory of 476	2768	mssecsvc.exe	6
PID 2768 wrote to memory of 476	2768	mssecsvc.exe	6
PID 2768 wrote to memory of 476	2768	mssecsvc.exe	6
PID 2768 wrote to memory of 492	2768	mssecsvc.exe	7
PID 2768 wrote to memory of 492	2768	mssecsvc.exe	7
PID 2768 wrote to memory of 492	2768	mssecsvc.exe	7
PID 2768 wrote to memory of 492	2768	mssecsvc.exe	7
PID 2768 wrote to memory of 492	2768	mssecsvc.exe	7
PID 2768 wrote to memory of 492	2768	mssecsvc.exe	7
PID 2768 wrote to memory of 492	2768	mssecsvc.exe	7
PID 2768 wrote to memory of 500	2768	mssecsvc.exe	8
PID 2768 wrote to memory of 500	2768	mssecsvc.exe	8
PID 2768 wrote to memory of 500	2768	mssecsvc.exe	8
PID 2768 wrote to memory of 500	2768	mssecsvc.exe	8
PID 2768 wrote to memory of 500	2768	mssecsvc.exe	8
PID 2768 wrote to memory of 500	2768	mssecsvc.exe	8
PID 2768 wrote to memory of 500	2768	mssecsvc.exe	8
PID 2768 wrote to memory of 608	2768	mssecsvc.exe	9
PID 2768 wrote to memory of 608	2768	mssecsvc.exe	9
PID 2768 wrote to memory of 608	2768	mssecsvc.exe	9
PID 2768 wrote to memory of 608	2768	mssecsvc.exe	9
PID 2768 wrote to memory of 608	2768	mssecsvc.exe	9
PID 2768 wrote to memory of 608	2768	mssecsvc.exe	9
PID 2768 wrote to memory of 608	2768	mssecsvc.exe	9
PID 2768 wrote to memory of 688	2768	mssecsvc.exe	10
PID 2768 wrote to memory of 688	2768	mssecsvc.exe	10
PID 2768 wrote to memory of 688	2768	mssecsvc.exe	10
PID 2768 wrote to memory of 688	2768	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:476
- - C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k DcomLaunch
    3⤵
    PID:608
  - - C:\Windows\system32\DllHost.exe
      C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
      4⤵
      PID:1472
  - - C:\Windows\system32\wbem\wmiprvse.exe
      C:\Windows\system32\wbem\wmiprvse.exe
      4⤵
      PID:772
- - C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k RPCSS
    3⤵
    PID:688
- - 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:832
  - - 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:876
- - C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k LocalService
    3⤵
    PID:980
- - 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:1028
- - C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k LocalServiceNoNetwork
    3⤵
    PID:1088
- - C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    3⤵
    PID:1108
- - C:\Program Files\Common Files\Microsoft Shared\OfficeSoftwareProtectionPlatform\OSPPSVC.EXE
    "C:\Program Files\Common Files\Microsoft Shared\OfficeSoftwareProtectionPlatform\OSPPSVC.EXE"
    3⤵
    PID:1744
- - C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k LocalServiceAndNoImpersonation
    3⤵
    PID:2968
- - C:\Windows\system32\sppsvc.exe
    C:\Windows\system32\sppsvc.exe
    3⤵
    PID:3024
- - 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:2440
- C:\Windows\system32\lsass.exe
  C:\Windows\system32\lsass.exe
  2⤵
  PID:492
- C:\Windows\system32\lsm.exe
  C:\Windows\system32\lsm.exe
  2⤵
  PID:500

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:1216
- C:\Windows\system32\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\c352124d7c524a2f4f48ce2ac16ebe88_JaffaCakes118.dll,#1
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2228
- - C:\Windows\SysWOW64\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\c352124d7c524a2f4f48ce2ac16ebe88_JaffaCakes118.dll,#1
    3⤵
    - Drops file in Windows directory
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2732
  - - 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:2768

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
14d3bde1edb2dc541d96b3c17df18d09

SHA1
dc0516ec0f6ef74e2e05a364a49337a7bde60f9e

SHA256
acead39967484b84811ba80b3811b2493c8cf8d9257c7ae11037bd1cba55789a

SHA512
880435d8cf8be250679678f402d636939588ef6c1cc27dad946d3e521e1cb363ef5f005690868c7577ea9c9724419f36a19e30474d7249a23eae783113dad3bd

Download Submit
memory/2440-11-0x0000000000400000-0x0000000000A72000-memory.dmp

Filesize
6.4MB

Download
memory/2440-16-0x0000000000400000-0x0000000000A72000-memory.dmp

Filesize
6.4MB

Download
memory/2732-6-0x0000000002480000-0x0000000002AF2000-memory.dmp

Filesize
6.4MB

Download
memory/2732-15-0x0000000002480000-0x0000000002AF2000-memory.dmp

Filesize
6.4MB

Download
memory/2768-7-0x0000000000400000-0x0000000000A72000-memory.dmp

Filesize
6.4MB

Download
memory/2768-9-0x0000000077E5F000-0x0000000077E60000-memory.dmp

Filesize
4KB

Download
memory/2768-8-0x0000000077E60000-0x0000000077E61000-memory.dmp

Filesize
4KB

Download
memory/2768-14-0x0000000000400000-0x0000000000A72000-memory.dmp

Filesize
6.4MB

Download