wannacry | a58f4986056dd8d697748a8fe3a0d665f455604ca8e78c8ed1e22c70757d7d4f

General

Target

2025-02-01_37beb2b166cc172b9c64d779ce4a5cc4_wannacry.exe
Size

5.0MB
MD5

37beb2b166cc172b9c64d779ce4a5cc4
SHA1

8d63c9971ae884a39f5152a14f4e6181302ecbce
SHA256

a58f4986056dd8d697748a8fe3a0d665f455604ca8e78c8ed1e22c70757d7d4f
SHA512

94932bc968987af90664bba29ceed652f8f63b799fbee9c7499f15cefb03558c97858161d3e8cece35f82efc5f8829401597922e23c1d23cf85f4345d045d6a7
SSDEEP

98304:yDqPoBhz1aRxcSUDk36SAEdhrxWa9D+G:yDqPe1Cxcxk3ZAEwat

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 (3293) 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
3008	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	2025-02-01_37beb2b166cc172b9c64d779ce4a5cc4_wannacry.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	2025-02-01_37beb2b166cc172b9c64d779ce4a5cc4_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	2025-02-01_37beb2b166cc172b9c64d779ce4a5cc4_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-02-01_37beb2b166cc172b9c64d779ce4a5cc4_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\UNCAsIntranet = "0"	2025-02-01_37beb2b166cc172b9c64d779ce4a5cc4_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	2025-02-01_37beb2b166cc172b9c64d779ce4a5cc4_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\52-f9-d8-9d-ba-aa\WpadDecisionReason = "1"	2025-02-01_37beb2b166cc172b9c64d779ce4a5cc4_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\52-f9-d8-9d-ba-aa\WpadDecision = "0"	2025-02-01_37beb2b166cc172b9c64d779ce4a5cc4_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	2025-02-01_37beb2b166cc172b9c64d779ce4a5cc4_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1"	2025-02-01_37beb2b166cc172b9c64d779ce4a5cc4_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{0CC45FEF-36B3-4564-B820-D84401BF7AC7}\WpadDecisionReason = "1"	2025-02-01_37beb2b166cc172b9c64d779ce4a5cc4_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{0CC45FEF-36B3-4564-B820-D84401BF7AC7}\WpadNetworkName = "Network 3"	2025-02-01_37beb2b166cc172b9c64d779ce4a5cc4_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{0CC45FEF-36B3-4564-B820-D84401BF7AC7}\52-f9-d8-9d-ba-aa	2025-02-01_37beb2b166cc172b9c64d779ce4a5cc4_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2025-02-01_37beb2b166cc172b9c64d779ce4a5cc4_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2025-02-01_37beb2b166cc172b9c64d779ce4a5cc4_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	2025-02-01_37beb2b166cc172b9c64d779ce4a5cc4_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	2025-02-01_37beb2b166cc172b9c64d779ce4a5cc4_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	2025-02-01_37beb2b166cc172b9c64d779ce4a5cc4_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f0080000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2025-02-01_37beb2b166cc172b9c64d779ce4a5cc4_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{0CC45FEF-36B3-4564-B820-D84401BF7AC7}\WpadDecisionTime = f047813cd174db01	2025-02-01_37beb2b166cc172b9c64d779ce4a5cc4_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{0CC45FEF-36B3-4564-B820-D84401BF7AC7}\WpadDecision = "0"	2025-02-01_37beb2b166cc172b9c64d779ce4a5cc4_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2025-02-01_37beb2b166cc172b9c64d779ce4a5cc4_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\52-f9-d8-9d-ba-aa\WpadDecisionTime = f047813cd174db01	2025-02-01_37beb2b166cc172b9c64d779ce4a5cc4_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\52-f9-d8-9d-ba-aa	2025-02-01_37beb2b166cc172b9c64d779ce4a5cc4_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	2025-02-01_37beb2b166cc172b9c64d779ce4a5cc4_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	2025-02-01_37beb2b166cc172b9c64d779ce4a5cc4_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{0CC45FEF-36B3-4564-B820-D84401BF7AC7}	2025-02-01_37beb2b166cc172b9c64d779ce4a5cc4_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	2025-02-01_37beb2b166cc172b9c64d779ce4a5cc4_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2025-02-01_37beb2b166cc172b9c64d779ce4a5cc4_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2025-02-01_37beb2b166cc172b9c64d779ce4a5cc4_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:2076
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:3008

C:\Users\Admin\AppData\Local\Temp\2025-02-01_37beb2b166cc172b9c64d779ce4a5cc4_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2025-02-01_37beb2b166cc172b9c64d779ce4a5cc4_wannacry.exe -m security
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:2472

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
59582b75b303eb2fb36e4b141bee0b9a

SHA1
2428094a4f4f323a10a4d2aa7aa277f797aff23f

SHA256
048824b852b134e6bf0e1ff1c8df1f368b131aea7468509f35a32d72cbb5f4e2

SHA512
feaa81074a69a3ab2d69774f95404fecd18473feca398b4e43ef2e2c3cebbe9411b9509ecafd91bddabd71de97923ec9be0a9fcf59911e0ad4601ad9a9f8ce82

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