wannacry | c7ebe7109a29ebf48e9b11c2314774a87adf22c547096de7b12b1bf8d9839c7d

General

Target

2024-12-10_76200e43712a027203706a6eddcdf1d6_wannacry.exe
Size

3.6MB
MD5

76200e43712a027203706a6eddcdf1d6
SHA1

56da938233ed052146b4d20e71c2537db1be2a0e
SHA256

c7ebe7109a29ebf48e9b11c2314774a87adf22c547096de7b12b1bf8d9839c7d
SHA512

6e6ed111d4646681583c7d651a15d42599ff38d65d63218dcf84dc19a6d30adf9f5f61987a39e60bac507788199c712f6ce00930059cbebe7ec9eb2ad821adfd
SSDEEP

49152:XnAQqMSPbcBVQej/1INRn+TSqTdX1HkQ8RdhnvNEau3R8yAH1plAV:XDqPoBhz1aRncSUDkxdhvU3R8yAVp2V

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Wannacry family
wannacry
Contacts a large (3215) 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 1 IoCs

pid	Process
2544	tasksche.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	2024-12-10_76200e43712a027203706a6eddcdf1d6_wannacry.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	2024-12-10_76200e43712a027203706a6eddcdf1d6_wannacry.exe

System Location Discovery: System Language Discovery 1 TTPs 2 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	2024-12-10_76200e43712a027203706a6eddcdf1d6_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-12-10_76200e43712a027203706a6eddcdf1d6_wannacry.exe

Modifies data under HKEY_USERS 24 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	2024-12-10_76200e43712a027203706a6eddcdf1d6_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-12-10_76200e43712a027203706a6eddcdf1d6_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	2024-12-10_76200e43712a027203706a6eddcdf1d6_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	2024-12-10_76200e43712a027203706a6eddcdf1d6_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{676FD05D-16E8-44A4-8448-20530FD0B79E}	2024-12-10_76200e43712a027203706a6eddcdf1d6_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\e2-07-da-7c-1b-b0	2024-12-10_76200e43712a027203706a6eddcdf1d6_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\e2-07-da-7c-1b-b0\WpadDecision = "0"	2024-12-10_76200e43712a027203706a6eddcdf1d6_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	2024-12-10_76200e43712a027203706a6eddcdf1d6_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-12-10_76200e43712a027203706a6eddcdf1d6_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	2024-12-10_76200e43712a027203706a6eddcdf1d6_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	2024-12-10_76200e43712a027203706a6eddcdf1d6_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0"	2024-12-10_76200e43712a027203706a6eddcdf1d6_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1"	2024-12-10_76200e43712a027203706a6eddcdf1d6_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{676FD05D-16E8-44A4-8448-20530FD0B79E}\WpadDecisionReason = "1"	2024-12-10_76200e43712a027203706a6eddcdf1d6_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{676FD05D-16E8-44A4-8448-20530FD0B79E}\WpadDecisionTime = e071650d9b4adb01	2024-12-10_76200e43712a027203706a6eddcdf1d6_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{676FD05D-16E8-44A4-8448-20530FD0B79E}\e2-07-da-7c-1b-b0	2024-12-10_76200e43712a027203706a6eddcdf1d6_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\e2-07-da-7c-1b-b0\WpadDecisionReason = "1"	2024-12-10_76200e43712a027203706a6eddcdf1d6_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\e2-07-da-7c-1b-b0\WpadDecisionTime = e071650d9b4adb01	2024-12-10_76200e43712a027203706a6eddcdf1d6_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	2024-12-10_76200e43712a027203706a6eddcdf1d6_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	2024-12-10_76200e43712a027203706a6eddcdf1d6_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-12-10_76200e43712a027203706a6eddcdf1d6_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f00ae000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-12-10_76200e43712a027203706a6eddcdf1d6_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{676FD05D-16E8-44A4-8448-20530FD0B79E}\WpadDecision = "0"	2024-12-10_76200e43712a027203706a6eddcdf1d6_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{676FD05D-16E8-44A4-8448-20530FD0B79E}\WpadNetworkName = "Network 3"	2024-12-10_76200e43712a027203706a6eddcdf1d6_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-12-10_76200e43712a027203706a6eddcdf1d6_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-12-10_76200e43712a027203706a6eddcdf1d6_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:2184
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:2544

C:\Users\Admin\AppData\Local\Temp\2024-12-10_76200e43712a027203706a6eddcdf1d6_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-12-10_76200e43712a027203706a6eddcdf1d6_wannacry.exe -m security
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:2564

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Network Service Discovery

2

T1046

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Windows\tasksche.exe

Filesize
3.4MB

MD5
c7cf2cb93106f05b0f3134892f0d4104

SHA1
96c77ae243160361c823ed11a72b3407d1e35749

SHA256
52e98a980c94c784cbc5aaf822645a9081ae3f2ae6aabc4157f9f73538ffdbc4

SHA512
33c52dff737930932c18c14c8898fd52a3186ea8e58c0e23d4e176891b2d91c40dad74b7347f1f469b8c56050f73fd35a2e49b8d46bcc50a8bb34a4578d6de78

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Analysis

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