wannacry | fdd3c5a24c3c139ffd155650fd0576a7d48d9fcaa56ff9d3ca1a546eacbe779b

Analysis

max time kernel
150s
max time network
151s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
09-09-2024 20:15

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General

Target

d706a9ffe6b4a707f1297dae047dc1d8_JaffaCakes118.dll
Size

5.0MB
MD5

d706a9ffe6b4a707f1297dae047dc1d8
SHA1

ed38649b52a61bbf5016a1c30e3aa556556402e4
SHA256

fdd3c5a24c3c139ffd155650fd0576a7d48d9fcaa56ff9d3ca1a546eacbe779b
SHA512

877a21201019e48c95b8428ac71343e224e7986030d8673a67fe2a821820a18df054297a0fab1886fc637e5aa68f853d3b6e872feb3d7239a1c61e2d077d4c87
SSDEEP

98304:RDqPoBhz1aRxcSUDk36SAEdhvxWa9P593R8yAVp2H:RDqPe1Cxcxk3ZAEUadzR8yc4H

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3165) 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
3004	mssecsvc.exe
2700	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	mssecsvc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	mssecsvc.exe

Modifies data under HKEY_USERS 24 IoCs

description	ioc	Process
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{CAFB829A-749C-431D-AC8E-3C8B4C8365A9}\WpadDecisionTime = 8025e80bf502db01	mssecsvc.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{CAFB829A-749C-431D-AC8E-3C8B4C8365A9}\WpadDecision = "0"	mssecsvc.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\d2-81-04-c5-48-fd	mssecsvc.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\d2-81-04-c5-48-fd\WpadDecisionReason = "1"	mssecsvc.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	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 (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f00e6000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	mssecsvc.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{CAFB829A-749C-431D-AC8E-3C8B4C8365A9}	mssecsvc.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\d2-81-04-c5-48-fd\WpadDecisionTime = 8025e80bf502db01	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\Content\CachePrefix	mssecsvc.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	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\History\CachePrefix = "Visited:"	mssecsvc.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{CAFB829A-749C-431D-AC8E-3C8B4C8365A9}\WpadDecisionReason = "1"	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
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\{CAFB829A-749C-431D-AC8E-3C8B4C8365A9}\d2-81-04-c5-48-fd	mssecsvc.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\d2-81-04-c5-48-fd\WpadDecision = "0"	mssecsvc.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	mssecsvc.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	mssecsvc.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{CAFB829A-749C-431D-AC8E-3C8B4C8365A9}\WpadNetworkName = "Network 3"	mssecsvc.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3004	mssecsvc.exe
2700	mssecsvc.exe

Suspicious behavior: MapViewOfSection 47 IoCs

pid	Process
3004	mssecsvc.exe
3004	mssecsvc.exe
3004	mssecsvc.exe
3004	mssecsvc.exe
3004	mssecsvc.exe
3004	mssecsvc.exe
3004	mssecsvc.exe
3004	mssecsvc.exe
3004	mssecsvc.exe
3004	mssecsvc.exe
3004	mssecsvc.exe
3004	mssecsvc.exe
3004	mssecsvc.exe
3004	mssecsvc.exe
3004	mssecsvc.exe
3004	mssecsvc.exe
3004	mssecsvc.exe
3004	mssecsvc.exe
3004	mssecsvc.exe
3004	mssecsvc.exe
3004	mssecsvc.exe
3004	mssecsvc.exe
3004	mssecsvc.exe
2700	mssecsvc.exe
2700	mssecsvc.exe
2700	mssecsvc.exe
2700	mssecsvc.exe
2700	mssecsvc.exe
2700	mssecsvc.exe
2700	mssecsvc.exe
2700	mssecsvc.exe
2700	mssecsvc.exe
2700	mssecsvc.exe
2700	mssecsvc.exe
2700	mssecsvc.exe
2700	mssecsvc.exe
2700	mssecsvc.exe
2700	mssecsvc.exe
2700	mssecsvc.exe
2700	mssecsvc.exe
2700	mssecsvc.exe
2700	mssecsvc.exe
2700	mssecsvc.exe
2700	mssecsvc.exe
2700	mssecsvc.exe
2700	mssecsvc.exe
2700	mssecsvc.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3004	mssecsvc.exe
Token: SeDebugPrivilege	2700	mssecsvc.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1964 wrote to memory of 788	1964	rundll32.exe	30
PID 1964 wrote to memory of 788	1964	rundll32.exe	30
PID 1964 wrote to memory of 788	1964	rundll32.exe	30
PID 1964 wrote to memory of 788	1964	rundll32.exe	30
PID 1964 wrote to memory of 788	1964	rundll32.exe	30
PID 1964 wrote to memory of 788	1964	rundll32.exe	30
PID 1964 wrote to memory of 788	1964	rundll32.exe	30
PID 788 wrote to memory of 3004	788	rundll32.exe	31
PID 788 wrote to memory of 3004	788	rundll32.exe	31
PID 788 wrote to memory of 3004	788	rundll32.exe	31
PID 788 wrote to memory of 3004	788	rundll32.exe	31
PID 3004 wrote to memory of 380	3004	mssecsvc.exe	3
PID 3004 wrote to memory of 380	3004	mssecsvc.exe	3
PID 3004 wrote to memory of 380	3004	mssecsvc.exe	3
PID 3004 wrote to memory of 380	3004	mssecsvc.exe	3
PID 3004 wrote to memory of 380	3004	mssecsvc.exe	3
PID 3004 wrote to memory of 380	3004	mssecsvc.exe	3
PID 3004 wrote to memory of 380	3004	mssecsvc.exe	3
PID 3004 wrote to memory of 388	3004	mssecsvc.exe	4
PID 3004 wrote to memory of 388	3004	mssecsvc.exe	4
PID 3004 wrote to memory of 388	3004	mssecsvc.exe	4
PID 3004 wrote to memory of 388	3004	mssecsvc.exe	4
PID 3004 wrote to memory of 388	3004	mssecsvc.exe	4
PID 3004 wrote to memory of 388	3004	mssecsvc.exe	4
PID 3004 wrote to memory of 388	3004	mssecsvc.exe	4
PID 3004 wrote to memory of 428	3004	mssecsvc.exe	5
PID 3004 wrote to memory of 428	3004	mssecsvc.exe	5
PID 3004 wrote to memory of 428	3004	mssecsvc.exe	5
PID 3004 wrote to memory of 428	3004	mssecsvc.exe	5
PID 3004 wrote to memory of 428	3004	mssecsvc.exe	5
PID 3004 wrote to memory of 428	3004	mssecsvc.exe	5
PID 3004 wrote to memory of 428	3004	mssecsvc.exe	5
PID 3004 wrote to memory of 476	3004	mssecsvc.exe	6
PID 3004 wrote to memory of 476	3004	mssecsvc.exe	6
PID 3004 wrote to memory of 476	3004	mssecsvc.exe	6
PID 3004 wrote to memory of 476	3004	mssecsvc.exe	6
PID 3004 wrote to memory of 476	3004	mssecsvc.exe	6
PID 3004 wrote to memory of 476	3004	mssecsvc.exe	6
PID 3004 wrote to memory of 476	3004	mssecsvc.exe	6
PID 3004 wrote to memory of 484	3004	mssecsvc.exe	7
PID 3004 wrote to memory of 484	3004	mssecsvc.exe	7
PID 3004 wrote to memory of 484	3004	mssecsvc.exe	7
PID 3004 wrote to memory of 484	3004	mssecsvc.exe	7
PID 3004 wrote to memory of 484	3004	mssecsvc.exe	7
PID 3004 wrote to memory of 484	3004	mssecsvc.exe	7
PID 3004 wrote to memory of 484	3004	mssecsvc.exe	7
PID 3004 wrote to memory of 492	3004	mssecsvc.exe	8
PID 3004 wrote to memory of 492	3004	mssecsvc.exe	8
PID 3004 wrote to memory of 492	3004	mssecsvc.exe	8
PID 3004 wrote to memory of 492	3004	mssecsvc.exe	8
PID 3004 wrote to memory of 492	3004	mssecsvc.exe	8
PID 3004 wrote to memory of 492	3004	mssecsvc.exe	8
PID 3004 wrote to memory of 492	3004	mssecsvc.exe	8
PID 3004 wrote to memory of 612	3004	mssecsvc.exe	9
PID 3004 wrote to memory of 612	3004	mssecsvc.exe	9
PID 3004 wrote to memory of 612	3004	mssecsvc.exe	9
PID 3004 wrote to memory of 612	3004	mssecsvc.exe	9
PID 3004 wrote to memory of 612	3004	mssecsvc.exe	9
PID 3004 wrote to memory of 612	3004	mssecsvc.exe	9
PID 3004 wrote to memory of 612	3004	mssecsvc.exe	9
PID 3004 wrote to memory of 688	3004	mssecsvc.exe	10
PID 3004 wrote to memory of 688	3004	mssecsvc.exe	10
PID 3004 wrote to memory of 688	3004	mssecsvc.exe	10
PID 3004 wrote to memory of 688	3004	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:612
  - - C:\Windows\system32\DllHost.exe
      C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
      4⤵
      PID:1108
  - - C:\Windows\system32\wbem\wmiprvse.exe
      C:\Windows\system32\wbem\wmiprvse.exe
      4⤵
      PID:340
- - 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:764
- - C:\Windows\System32\svchost.exe
    C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted
    3⤵
    PID:820
  - - C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      4⤵
      PID:1176
- - C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k netsvcs
    3⤵
    PID:860
- - C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k LocalService
    3⤵
    PID:972
- - 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:304
- - C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k LocalServiceNoNetwork
    3⤵
    PID:1072
- - 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:1544
- - C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k LocalServiceAndNoImpersonation
    3⤵
    PID:2496
- - C:\Windows\system32\sppsvc.exe
    C:\Windows\system32\sppsvc.exe
    3⤵
    PID:936
- - 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:2700
- 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:1208
- C:\Windows\system32\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\d706a9ffe6b4a707f1297dae047dc1d8_JaffaCakes118.dll,#1
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1964
- - C:\Windows\SysWOW64\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\d706a9ffe6b4a707f1297dae047dc1d8_JaffaCakes118.dll,#1
    3⤵
    - Drops file in Windows directory
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:788
  - - 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:3004

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
8f28756ec8e29eb5f5cc4e58068434aa

SHA1
414108aec1924b8413e12b8a42bb26cd4957a47b

SHA256
8f7e1e53c0bbb797f8f73ec549b4f19d4597a0acddf67bef7662360a931a20b2

SHA512
425f68b2938bc914d36a7016749e4b5711bfebecbc12b73f41e48c8c02d8d244243d7523d5a47992321b58f4563fe7478f5af5f4beb4a71f927a41a8f4b9da69

Download Submit
memory/788-6-0x0000000002250000-0x00000000028C3000-memory.dmp

Filesize
6.4MB

Download
memory/2700-11-0x0000000000400000-0x0000000000A73000-memory.dmp

Filesize
6.4MB

Download
memory/2700-18-0x0000000000400000-0x0000000000A73000-memory.dmp

Filesize
6.4MB

Download
memory/3004-9-0x00000000777AF000-0x00000000777B0000-memory.dmp

Filesize
4KB

Download
memory/3004-8-0x00000000777B0000-0x00000000777B1000-memory.dmp

Filesize
4KB

Download
memory/3004-7-0x0000000000400000-0x0000000000A73000-memory.dmp

Filesize
6.4MB

Download
memory/3004-16-0x0000000000400000-0x0000000000A73000-memory.dmp

Filesize
6.4MB

Download
memory/3004-15-0x000000007EF70000-0x000000007EF7C000-memory.dmp

Filesize
48KB

Download
memory/3004-14-0x00000000777AF000-0x00000000777B0000-memory.dmp

Filesize
4KB

Download
memory/3004-13-0x00000000777B0000-0x00000000777B1000-memory.dmp

Filesize
4KB

Download