wannacry | 080086c1b3d81bbdf10248c49186a7cab61e49536fbb3ab94c7ad8f7554d30c1

Resubmissions

27-08-2024 15:06

240827-sg2xzswgmg 10

27-08-2024 15:05

240827-sf9answgjg 10

27-08-2024 14:45

240827-r4zwgaxemj 10

Analysis

max time kernel
143s
max time network
144s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
27-08-2024 15:06

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General

Target

c531ecd051aab139ff138a0ea44cd856_JaffaCakes118.dll
Size

5.0MB
MD5

c531ecd051aab139ff138a0ea44cd856
SHA1

fee179d07f5659e97ea995dd812a45de4960800a
SHA256

080086c1b3d81bbdf10248c49186a7cab61e49536fbb3ab94c7ad8f7554d30c1
SHA512

eba659fda3f64fda35ebaf8ac5df6037730a0b6a39bd8fc7c5742beafd258001fb6391e51dc68799c82d225168ab78bb171ea4d5e78ee7952543b49e70862be4
SSDEEP

98304:mDqPoBhz1aRxcSUDk36SAEdhvxWa9P593R8yAVp2H:mDqPe1Cxcxk3ZAEUadzR8yc4H

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (2983) 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
2708	mssecsvc.exe
2712	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\Connections	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\Wpad\{72D47668-632F-4D2D-B454-B79DA9C0546B}\WpadDecisionTime = 80b0e1bc92f8da01	mssecsvc.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{72D47668-632F-4D2D-B454-B79DA9C0546B}\WpadDecision = "0"	mssecsvc.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\16-8c-4a-dc-d9-a2	mssecsvc.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\16-8c-4a-dc-d9-a2\WpadDecisionReason = "1"	mssecsvc.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\16-8c-4a-dc-d9-a2\WpadDecisionTime = 80b0e1bc92f8da01	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 (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	mssecsvc.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f0126000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	mssecsvc.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{72D47668-632F-4D2D-B454-B79DA9C0546B}\16-8c-4a-dc-d9-a2	mssecsvc.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\16-8c-4a-dc-d9-a2\WpadDecision = "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\History\CachePrefix = "Visited:"	mssecsvc.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{72D47668-632F-4D2D-B454-B79DA9C0546B}\WpadNetworkName = "Network 3"	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
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
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{72D47668-632F-4D2D-B454-B79DA9C0546B}	mssecsvc.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{72D47668-632F-4D2D-B454-B79DA9C0546B}\WpadDecisionReason = "1"	mssecsvc.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2708	mssecsvc.exe
2712	mssecsvc.exe

Suspicious behavior: MapViewOfSection 47 IoCs

pid	Process
2708	mssecsvc.exe
2708	mssecsvc.exe
2708	mssecsvc.exe
2708	mssecsvc.exe
2708	mssecsvc.exe
2708	mssecsvc.exe
2708	mssecsvc.exe
2708	mssecsvc.exe
2708	mssecsvc.exe
2708	mssecsvc.exe
2708	mssecsvc.exe
2708	mssecsvc.exe
2708	mssecsvc.exe
2708	mssecsvc.exe
2708	mssecsvc.exe
2708	mssecsvc.exe
2708	mssecsvc.exe
2708	mssecsvc.exe
2708	mssecsvc.exe
2708	mssecsvc.exe
2708	mssecsvc.exe
2708	mssecsvc.exe
2708	mssecsvc.exe
2712	mssecsvc.exe
2712	mssecsvc.exe
2712	mssecsvc.exe
2712	mssecsvc.exe
2712	mssecsvc.exe
2712	mssecsvc.exe
2712	mssecsvc.exe
2712	mssecsvc.exe
2712	mssecsvc.exe
2712	mssecsvc.exe
2712	mssecsvc.exe
2712	mssecsvc.exe
2712	mssecsvc.exe
2712	mssecsvc.exe
2712	mssecsvc.exe
2712	mssecsvc.exe
2712	mssecsvc.exe
2712	mssecsvc.exe
2712	mssecsvc.exe
2712	mssecsvc.exe
2712	mssecsvc.exe
2712	mssecsvc.exe
2712	mssecsvc.exe
2712	mssecsvc.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2708	mssecsvc.exe
Token: SeDebugPrivilege	2712	mssecsvc.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2008 wrote to memory of 1012	2008	rundll32.exe	30
PID 2008 wrote to memory of 1012	2008	rundll32.exe	30
PID 2008 wrote to memory of 1012	2008	rundll32.exe	30
PID 2008 wrote to memory of 1012	2008	rundll32.exe	30
PID 2008 wrote to memory of 1012	2008	rundll32.exe	30
PID 2008 wrote to memory of 1012	2008	rundll32.exe	30
PID 2008 wrote to memory of 1012	2008	rundll32.exe	30
PID 1012 wrote to memory of 2708	1012	rundll32.exe	31
PID 1012 wrote to memory of 2708	1012	rundll32.exe	31
PID 1012 wrote to memory of 2708	1012	rundll32.exe	31
PID 1012 wrote to memory of 2708	1012	rundll32.exe	31
PID 2708 wrote to memory of 384	2708	mssecsvc.exe	3
PID 2708 wrote to memory of 384	2708	mssecsvc.exe	3
PID 2708 wrote to memory of 384	2708	mssecsvc.exe	3
PID 2708 wrote to memory of 384	2708	mssecsvc.exe	3
PID 2708 wrote to memory of 384	2708	mssecsvc.exe	3
PID 2708 wrote to memory of 384	2708	mssecsvc.exe	3
PID 2708 wrote to memory of 384	2708	mssecsvc.exe	3
PID 2708 wrote to memory of 392	2708	mssecsvc.exe	4
PID 2708 wrote to memory of 392	2708	mssecsvc.exe	4
PID 2708 wrote to memory of 392	2708	mssecsvc.exe	4
PID 2708 wrote to memory of 392	2708	mssecsvc.exe	4
PID 2708 wrote to memory of 392	2708	mssecsvc.exe	4
PID 2708 wrote to memory of 392	2708	mssecsvc.exe	4
PID 2708 wrote to memory of 392	2708	mssecsvc.exe	4
PID 2708 wrote to memory of 432	2708	mssecsvc.exe	5
PID 2708 wrote to memory of 432	2708	mssecsvc.exe	5
PID 2708 wrote to memory of 432	2708	mssecsvc.exe	5
PID 2708 wrote to memory of 432	2708	mssecsvc.exe	5
PID 2708 wrote to memory of 432	2708	mssecsvc.exe	5
PID 2708 wrote to memory of 432	2708	mssecsvc.exe	5
PID 2708 wrote to memory of 432	2708	mssecsvc.exe	5
PID 2708 wrote to memory of 476	2708	mssecsvc.exe	6
PID 2708 wrote to memory of 476	2708	mssecsvc.exe	6
PID 2708 wrote to memory of 476	2708	mssecsvc.exe	6
PID 2708 wrote to memory of 476	2708	mssecsvc.exe	6
PID 2708 wrote to memory of 476	2708	mssecsvc.exe	6
PID 2708 wrote to memory of 476	2708	mssecsvc.exe	6
PID 2708 wrote to memory of 476	2708	mssecsvc.exe	6
PID 2708 wrote to memory of 492	2708	mssecsvc.exe	7
PID 2708 wrote to memory of 492	2708	mssecsvc.exe	7
PID 2708 wrote to memory of 492	2708	mssecsvc.exe	7
PID 2708 wrote to memory of 492	2708	mssecsvc.exe	7
PID 2708 wrote to memory of 492	2708	mssecsvc.exe	7
PID 2708 wrote to memory of 492	2708	mssecsvc.exe	7
PID 2708 wrote to memory of 492	2708	mssecsvc.exe	7
PID 2708 wrote to memory of 500	2708	mssecsvc.exe	8
PID 2708 wrote to memory of 500	2708	mssecsvc.exe	8
PID 2708 wrote to memory of 500	2708	mssecsvc.exe	8
PID 2708 wrote to memory of 500	2708	mssecsvc.exe	8
PID 2708 wrote to memory of 500	2708	mssecsvc.exe	8
PID 2708 wrote to memory of 500	2708	mssecsvc.exe	8
PID 2708 wrote to memory of 500	2708	mssecsvc.exe	8
PID 2708 wrote to memory of 596	2708	mssecsvc.exe	9
PID 2708 wrote to memory of 596	2708	mssecsvc.exe	9
PID 2708 wrote to memory of 596	2708	mssecsvc.exe	9
PID 2708 wrote to memory of 596	2708	mssecsvc.exe	9
PID 2708 wrote to memory of 596	2708	mssecsvc.exe	9
PID 2708 wrote to memory of 596	2708	mssecsvc.exe	9
PID 2708 wrote to memory of 596	2708	mssecsvc.exe	9
PID 2708 wrote to memory of 672	2708	mssecsvc.exe	10
PID 2708 wrote to memory of 672	2708	mssecsvc.exe	10
PID 2708 wrote to memory of 672	2708	mssecsvc.exe	10
PID 2708 wrote to memory of 672	2708	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:596
  - - C:\Windows\system32\DllHost.exe
      C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
      4⤵
      PID:1468
  - - C:\Windows\system32\wbem\wmiprvse.exe
      C:\Windows\system32\wbem\wmiprvse.exe
      4⤵
      PID:352
- - 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:740
- - 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:1160
- - C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k netsvcs
    3⤵
    PID:836
- - C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k LocalService
    3⤵
    PID:960
- - 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:1032
- - C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    3⤵
    PID:1052
- - C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k LocalServiceNoNetwork
    3⤵
    PID:1104
- - C:\Program Files\Common Files\Microsoft Shared\OfficeSoftwareProtectionPlatform\OSPPSVC.EXE
    "C:\Program Files\Common Files\Microsoft Shared\OfficeSoftwareProtectionPlatform\OSPPSVC.EXE"
    3⤵
    PID:344
- - C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k LocalServiceAndNoImpersonation
    3⤵
    PID:2944
- - C:\Windows\system32\sppsvc.exe
    C:\Windows\system32\sppsvc.exe
    3⤵
    PID:2972
- - 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:2712
- 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:392

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

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1180
- C:\Windows\system32\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\c531ecd051aab139ff138a0ea44cd856_JaffaCakes118.dll,#1
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2008
- - C:\Windows\SysWOW64\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\c531ecd051aab139ff138a0ea44cd856_JaffaCakes118.dll,#1
    3⤵
    - Drops file in Windows directory
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:1012
  - - 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:2708

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
4529ba581bc0993b034e2858c3ee49a9

SHA1
fe7f4a3af17392c836242c6bf855ea5c26d2a339

SHA256
11dba652e17d4a18152b99069766000d117d88d8bc803e2d178ce2289b0ac3fc

SHA512
85e08b0a806049f7d627a9ba638037a6d352b28ab2d498ef462ce6106ac301ee9d560fc5df60ecb99fde8e34a2f326eb9d94040bc110f1361dec01c73a8c2176

Download Submit
memory/1012-6-0x0000000002370000-0x00000000029E2000-memory.dmp

Filesize
6.4MB

Download
memory/2708-9-0x0000000077D8F000-0x0000000077D90000-memory.dmp

Filesize
4KB

Download
memory/2708-8-0x0000000077D90000-0x0000000077D91000-memory.dmp

Filesize
4KB

Download
memory/2708-7-0x0000000000400000-0x0000000000A72000-memory.dmp

Filesize
6.4MB

Download
memory/2708-13-0x000000007EF70000-0x000000007EF7C000-memory.dmp

Filesize
48KB

Download
memory/2708-15-0x0000000000400000-0x0000000000A72000-memory.dmp

Filesize
6.4MB

Download
memory/2712-11-0x0000000000400000-0x0000000000A72000-memory.dmp

Filesize
6.4MB

Download
memory/2712-16-0x0000000000400000-0x0000000000A72000-memory.dmp

Filesize
6.4MB

Download