wannacry | 9560ff52f945878d130b2fb99ebd92096b16c0840b7781026d1bec2d5fe23bc1

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
15-09-2024 19:01

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General

Target

e32f892b798446443a77a4e206da0623_JaffaCakes118.dll
Size

5.0MB
MD5

e32f892b798446443a77a4e206da0623
SHA1

8102e88db138c5b98772a796add4214580a3b467
SHA256

9560ff52f945878d130b2fb99ebd92096b16c0840b7781026d1bec2d5fe23bc1
SHA512

2d77e5b5a547ef576c1db574cc35bfac36e4a8ecb0882d99f32afda33692f01a57a6dd64d1b74b19542c48d663ef6c6bdbb24d898963eed8530d6e5aba9ac23c
SSDEEP

98304:NDqPoBhz1aRxcSUDk36SAEdhvxWa9P593R8yAVp2H:NDqPe1Cxcxk3ZAEUadzR8yc4H

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3222) 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
2292	mssecsvc.exe
2620	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 (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{2E158AA9-D91B-4CD6-9360-5C6AC2BA95D3}\WpadDecision = "0"	mssecsvc.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{2E158AA9-D91B-4CD6-9360-5C6AC2BA95D3}\WpadNetworkName = "Network 3"	mssecsvc.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{2E158AA9-D91B-4CD6-9360-5C6AC2BA95D3}\02-1d-b3-23-ae-c8	mssecsvc.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	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\History\CachePrefix = "Visited:"	mssecsvc.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	mssecsvc.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f00e8000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	mssecsvc.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{2E158AA9-D91B-4CD6-9360-5C6AC2BA95D3}\WpadDecisionReason = "1"	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 (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\02-1d-b3-23-ae-c8\WpadDecisionReason = "1"	mssecsvc.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\02-1d-b3-23-ae-c8\WpadDecisionTime = 50e1cbbda107db01	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
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\{2E158AA9-D91B-4CD6-9360-5C6AC2BA95D3}	mssecsvc.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{2E158AA9-D91B-4CD6-9360-5C6AC2BA95D3}\WpadDecisionTime = 50e1cbbda107db01	mssecsvc.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\02-1d-b3-23-ae-c8	mssecsvc.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\02-1d-b3-23-ae-c8\WpadDecision = "0"	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

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2292	mssecsvc.exe
2620	mssecsvc.exe

Suspicious behavior: MapViewOfSection 47 IoCs

pid	Process
2292	mssecsvc.exe
2292	mssecsvc.exe
2292	mssecsvc.exe
2292	mssecsvc.exe
2292	mssecsvc.exe
2292	mssecsvc.exe
2292	mssecsvc.exe
2292	mssecsvc.exe
2292	mssecsvc.exe
2292	mssecsvc.exe
2292	mssecsvc.exe
2292	mssecsvc.exe
2292	mssecsvc.exe
2292	mssecsvc.exe
2292	mssecsvc.exe
2292	mssecsvc.exe
2292	mssecsvc.exe
2292	mssecsvc.exe
2292	mssecsvc.exe
2292	mssecsvc.exe
2292	mssecsvc.exe
2292	mssecsvc.exe
2292	mssecsvc.exe
2620	mssecsvc.exe
2620	mssecsvc.exe
2620	mssecsvc.exe
2620	mssecsvc.exe
2620	mssecsvc.exe
2620	mssecsvc.exe
2620	mssecsvc.exe
2620	mssecsvc.exe
2620	mssecsvc.exe
2620	mssecsvc.exe
2620	mssecsvc.exe
2620	mssecsvc.exe
2620	mssecsvc.exe
2620	mssecsvc.exe
2620	mssecsvc.exe
2620	mssecsvc.exe
2620	mssecsvc.exe
2620	mssecsvc.exe
2620	mssecsvc.exe
2620	mssecsvc.exe
2620	mssecsvc.exe
2620	mssecsvc.exe
2620	mssecsvc.exe
2620	mssecsvc.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2292	mssecsvc.exe
Token: SeDebugPrivilege	2620	mssecsvc.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2728 wrote to memory of 2704	2728	rundll32.exe	30
PID 2728 wrote to memory of 2704	2728	rundll32.exe	30
PID 2728 wrote to memory of 2704	2728	rundll32.exe	30
PID 2728 wrote to memory of 2704	2728	rundll32.exe	30
PID 2728 wrote to memory of 2704	2728	rundll32.exe	30
PID 2728 wrote to memory of 2704	2728	rundll32.exe	30
PID 2728 wrote to memory of 2704	2728	rundll32.exe	30
PID 2704 wrote to memory of 2292	2704	rundll32.exe	31
PID 2704 wrote to memory of 2292	2704	rundll32.exe	31
PID 2704 wrote to memory of 2292	2704	rundll32.exe	31
PID 2704 wrote to memory of 2292	2704	rundll32.exe	31
PID 2292 wrote to memory of 380	2292	mssecsvc.exe	3
PID 2292 wrote to memory of 380	2292	mssecsvc.exe	3
PID 2292 wrote to memory of 380	2292	mssecsvc.exe	3
PID 2292 wrote to memory of 380	2292	mssecsvc.exe	3
PID 2292 wrote to memory of 380	2292	mssecsvc.exe	3
PID 2292 wrote to memory of 380	2292	mssecsvc.exe	3
PID 2292 wrote to memory of 380	2292	mssecsvc.exe	3
PID 2292 wrote to memory of 388	2292	mssecsvc.exe	4
PID 2292 wrote to memory of 388	2292	mssecsvc.exe	4
PID 2292 wrote to memory of 388	2292	mssecsvc.exe	4
PID 2292 wrote to memory of 388	2292	mssecsvc.exe	4
PID 2292 wrote to memory of 388	2292	mssecsvc.exe	4
PID 2292 wrote to memory of 388	2292	mssecsvc.exe	4
PID 2292 wrote to memory of 388	2292	mssecsvc.exe	4
PID 2292 wrote to memory of 428	2292	mssecsvc.exe	5
PID 2292 wrote to memory of 428	2292	mssecsvc.exe	5
PID 2292 wrote to memory of 428	2292	mssecsvc.exe	5
PID 2292 wrote to memory of 428	2292	mssecsvc.exe	5
PID 2292 wrote to memory of 428	2292	mssecsvc.exe	5
PID 2292 wrote to memory of 428	2292	mssecsvc.exe	5
PID 2292 wrote to memory of 428	2292	mssecsvc.exe	5
PID 2292 wrote to memory of 476	2292	mssecsvc.exe	6
PID 2292 wrote to memory of 476	2292	mssecsvc.exe	6
PID 2292 wrote to memory of 476	2292	mssecsvc.exe	6
PID 2292 wrote to memory of 476	2292	mssecsvc.exe	6
PID 2292 wrote to memory of 476	2292	mssecsvc.exe	6
PID 2292 wrote to memory of 476	2292	mssecsvc.exe	6
PID 2292 wrote to memory of 476	2292	mssecsvc.exe	6
PID 2292 wrote to memory of 484	2292	mssecsvc.exe	7
PID 2292 wrote to memory of 484	2292	mssecsvc.exe	7
PID 2292 wrote to memory of 484	2292	mssecsvc.exe	7
PID 2292 wrote to memory of 484	2292	mssecsvc.exe	7
PID 2292 wrote to memory of 484	2292	mssecsvc.exe	7
PID 2292 wrote to memory of 484	2292	mssecsvc.exe	7
PID 2292 wrote to memory of 484	2292	mssecsvc.exe	7
PID 2292 wrote to memory of 492	2292	mssecsvc.exe	8
PID 2292 wrote to memory of 492	2292	mssecsvc.exe	8
PID 2292 wrote to memory of 492	2292	mssecsvc.exe	8
PID 2292 wrote to memory of 492	2292	mssecsvc.exe	8
PID 2292 wrote to memory of 492	2292	mssecsvc.exe	8
PID 2292 wrote to memory of 492	2292	mssecsvc.exe	8
PID 2292 wrote to memory of 492	2292	mssecsvc.exe	8
PID 2292 wrote to memory of 584	2292	mssecsvc.exe	9
PID 2292 wrote to memory of 584	2292	mssecsvc.exe	9
PID 2292 wrote to memory of 584	2292	mssecsvc.exe	9
PID 2292 wrote to memory of 584	2292	mssecsvc.exe	9
PID 2292 wrote to memory of 584	2292	mssecsvc.exe	9
PID 2292 wrote to memory of 584	2292	mssecsvc.exe	9
PID 2292 wrote to memory of 584	2292	mssecsvc.exe	9
PID 2292 wrote to memory of 664	2292	mssecsvc.exe	10
PID 2292 wrote to memory of 664	2292	mssecsvc.exe	10
PID 2292 wrote to memory of 664	2292	mssecsvc.exe	10
PID 2292 wrote to memory of 664	2292	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:584
  - - C:\Windows\system32\wbem\wmiprvse.exe
      C:\Windows\system32\wbem\wmiprvse.exe
      4⤵
      PID:1476
  - - C:\Windows\system32\DllHost.exe
      C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
      4⤵
      PID:1640
- - C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k RPCSS
    3⤵
    PID:664
- - C:\Windows\System32\svchost.exe
    C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted
    3⤵
    PID:732
- - 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:848
- - 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:280
- - C:\Windows\System32\spoolsv.exe
    C:\Windows\System32\spoolsv.exe
    3⤵
    PID:352
- - C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k LocalServiceNoNetwork
    3⤵
    PID:1064
- - C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    3⤵
    PID:1100
- - C:\Program Files\Common Files\Microsoft Shared\OfficeSoftwareProtectionPlatform\OSPPSVC.EXE
    "C:\Program Files\Common Files\Microsoft Shared\OfficeSoftwareProtectionPlatform\OSPPSVC.EXE"
    3⤵
    PID:1320
- - C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k LocalServiceAndNoImpersonation
    3⤵
    PID:2320
- - C:\Windows\system32\sppsvc.exe
    C:\Windows\system32\sppsvc.exe
    3⤵
    PID:2340
- - 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:2620
- 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:1192
- C:\Windows\system32\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\e32f892b798446443a77a4e206da0623_JaffaCakes118.dll,#1
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2728
- - C:\Windows\SysWOW64\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\e32f892b798446443a77a4e206da0623_JaffaCakes118.dll,#1
    3⤵
    - Drops file in Windows directory
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2704
  - - 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:2292

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

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Downloads

C:\Windows\mssecsvc.exe

Filesize
3.6MB

MD5
d8d7ce357ec73af62a77b8ea4d2b162f

SHA1
38e7abc1404e0d3693c511d575671b7239c940bb

SHA256
f2cf9dea00cecf536634936adc5c18807846673e86f3c8c87cae2bda3f98fc57

SHA512
1fa7b8e0557bddeb0356f816711c3d7f9cc67dade8adafacf0c69d2975d48faf209e603c418cb9070e5131298945ebad36bb257cea9b384679f17ef9ad61218f

Download Submit
memory/2292-7-0x0000000000400000-0x0000000000A73000-memory.dmp

Filesize
6.4MB

Download
memory/2292-9-0x0000000076F40000-0x0000000076F41000-memory.dmp

Filesize
4KB

Download
memory/2292-8-0x0000000076F3F000-0x0000000076F40000-memory.dmp

Filesize
4KB

Download
memory/2292-14-0x000000007EF70000-0x000000007EF7C000-memory.dmp

Filesize
48KB

Download
memory/2292-13-0x0000000076F3F000-0x0000000076F40000-memory.dmp

Filesize
4KB

Download
memory/2292-12-0x0000000076F40000-0x0000000076F41000-memory.dmp

Filesize
4KB

Download
memory/2292-17-0x000000007EF70000-0x000000007EF7C000-memory.dmp

Filesize
48KB

Download
memory/2292-18-0x0000000000400000-0x0000000000A73000-memory.dmp

Filesize
6.4MB

Download
memory/2620-11-0x0000000000400000-0x0000000000A73000-memory.dmp

Filesize
6.4MB

Download
memory/2620-19-0x0000000000400000-0x0000000000A73000-memory.dmp

Filesize
6.4MB

Download
memory/2704-6-0x0000000002090000-0x0000000002703000-memory.dmp

Filesize
6.4MB

Download