wannacry | 0dd4832844d66a1301e31fda1bb61c78194b8e2a915defc31938baecfd24ca41

General

Target

2025-02-02_e70b41dd0b42afeea9df53d26d9e7ad6_wannacry.exe
Size

5.0MB
MD5

e70b41dd0b42afeea9df53d26d9e7ad6
SHA1

d8e251bbb8dd767af3dd89bf05f6cd5d8f0bb2ca
SHA256

0dd4832844d66a1301e31fda1bb61c78194b8e2a915defc31938baecfd24ca41
SHA512

3251fafa91dfde970036e84398308735120cbfed537eb3f0e05c375e1fe6493ca2b43d403e90d3031520aae95b861587777612430a9408316117ac955a3c2684
SSDEEP

12288:GebLgPlu+QhMbaIMu7L5NVErCA4z2g6rTcbckPU82900Ve7zw+K+DHeQYSUjH:XbLgddQhfdmMSirYbcMNgef0QeQq

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 (3291) 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
1968	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	2025-02-02_e70b41dd0b42afeea9df53d26d9e7ad6_wannacry.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	2025-02-02_e70b41dd0b42afeea9df53d26d9e7ad6_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	2025-02-02_e70b41dd0b42afeea9df53d26d9e7ad6_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-02-02_e70b41dd0b42afeea9df53d26d9e7ad6_wannacry.exe

Modifies data under HKEY_USERS 24 IoCs

description	ioc	Process
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1"	2025-02-02_e70b41dd0b42afeea9df53d26d9e7ad6_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{56DBE031-E3E3-4675-A348-99D3F86995CC}	2025-02-02_e70b41dd0b42afeea9df53d26d9e7ad6_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{56DBE031-E3E3-4675-A348-99D3F86995CC}\de-bf-13-18-e9-20	2025-02-02_e70b41dd0b42afeea9df53d26d9e7ad6_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2025-02-02_e70b41dd0b42afeea9df53d26d9e7ad6_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	2025-02-02_e70b41dd0b42afeea9df53d26d9e7ad6_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	2025-02-02_e70b41dd0b42afeea9df53d26d9e7ad6_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f00b4000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2025-02-02_e70b41dd0b42afeea9df53d26d9e7ad6_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\de-bf-13-18-e9-20\WpadDecisionTime = 20f78b5a9675db01	2025-02-02_e70b41dd0b42afeea9df53d26d9e7ad6_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\de-bf-13-18-e9-20\WpadDecision = "0"	2025-02-02_e70b41dd0b42afeea9df53d26d9e7ad6_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{56DBE031-E3E3-4675-A348-99D3F86995CC}\WpadDecisionTime = 20f78b5a9675db01	2025-02-02_e70b41dd0b42afeea9df53d26d9e7ad6_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2025-02-02_e70b41dd0b42afeea9df53d26d9e7ad6_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	2025-02-02_e70b41dd0b42afeea9df53d26d9e7ad6_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2025-02-02_e70b41dd0b42afeea9df53d26d9e7ad6_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0"	2025-02-02_e70b41dd0b42afeea9df53d26d9e7ad6_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	2025-02-02_e70b41dd0b42afeea9df53d26d9e7ad6_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	2025-02-02_e70b41dd0b42afeea9df53d26d9e7ad6_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{56DBE031-E3E3-4675-A348-99D3F86995CC}\WpadDecisionReason = "1"	2025-02-02_e70b41dd0b42afeea9df53d26d9e7ad6_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{56DBE031-E3E3-4675-A348-99D3F86995CC}\WpadDecision = "0"	2025-02-02_e70b41dd0b42afeea9df53d26d9e7ad6_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\de-bf-13-18-e9-20\WpadDecisionReason = "1"	2025-02-02_e70b41dd0b42afeea9df53d26d9e7ad6_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	2025-02-02_e70b41dd0b42afeea9df53d26d9e7ad6_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	2025-02-02_e70b41dd0b42afeea9df53d26d9e7ad6_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	2025-02-02_e70b41dd0b42afeea9df53d26d9e7ad6_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{56DBE031-E3E3-4675-A348-99D3F86995CC}\WpadNetworkName = "Network 3"	2025-02-02_e70b41dd0b42afeea9df53d26d9e7ad6_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\de-bf-13-18-e9-20	2025-02-02_e70b41dd0b42afeea9df53d26d9e7ad6_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2025-02-02_e70b41dd0b42afeea9df53d26d9e7ad6_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2025-02-02_e70b41dd0b42afeea9df53d26d9e7ad6_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:316
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:1968

C:\Users\Admin\AppData\Local\Temp\2025-02-02_e70b41dd0b42afeea9df53d26d9e7ad6_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2025-02-02_e70b41dd0b42afeea9df53d26d9e7ad6_wannacry.exe -m security
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:2356

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
14f6c264ce1e429f6d4d7c837fd9e60f

SHA1
802d391b85913855fffb88733879706da23cb249

SHA256
ae13b03e2f77e2339c7b22cd23a603013010b4e896339b4606c10fa3045d4baf

SHA512
3654fb6a5e7be9e876b2db96c982ea8517ab976db8e6b8e271a03acffcc06ae811a6ace4d75b7d9cdecb9c4fbc9196970b39b93a1c691d4a6edea3a5694cbfc7

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Analysis

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