wannacry | bd89156f78af8eea359d60174492655f259b9bfdaf4eccaf08015c694f7fd141

General

Target

2025-02-13_18b02124f0a5cd0ca578a31375259b7a_wannacry.exe
Size

5.0MB
MD5

18b02124f0a5cd0ca578a31375259b7a
SHA1

37cbe3bf7375c6a16c7a92f42ebf77b5c294cef8
SHA256

bd89156f78af8eea359d60174492655f259b9bfdaf4eccaf08015c694f7fd141
SHA512

c550f74aa8bde248dd489af13681fea8adbe92a864326c81ec4207626fd61c9f38846f31d7bb94f44b5a4392ed16f25709c2f0644e1b554391c7305a23d4145c
SSDEEP

98304:XDqPoBhz1aRxcSUDk36SAEdhvxWa9P5Or:XDqPe1Cxcxk3ZAEUadIr

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 (3209) 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
2656	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	2025-02-13_18b02124f0a5cd0ca578a31375259b7a_wannacry.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	2025-02-13_18b02124f0a5cd0ca578a31375259b7a_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	2025-02-13_18b02124f0a5cd0ca578a31375259b7a_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-02-13_18b02124f0a5cd0ca578a31375259b7a_wannacry.exe

Modifies data under HKEY_USERS 24 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	2025-02-13_18b02124f0a5cd0ca578a31375259b7a_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{539F23BA-7A55-4351-86C9-DC0F555AB0C3}	2025-02-13_18b02124f0a5cd0ca578a31375259b7a_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{539F23BA-7A55-4351-86C9-DC0F555AB0C3}\WpadDecisionReason = "1"	2025-02-13_18b02124f0a5cd0ca578a31375259b7a_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{539F23BA-7A55-4351-86C9-DC0F555AB0C3}\WpadNetworkName = "Network 3"	2025-02-13_18b02124f0a5cd0ca578a31375259b7a_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\2a-5a-d9-7d-e8-6f\WpadDecisionReason = "1"	2025-02-13_18b02124f0a5cd0ca578a31375259b7a_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2025-02-13_18b02124f0a5cd0ca578a31375259b7a_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1"	2025-02-13_18b02124f0a5cd0ca578a31375259b7a_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	2025-02-13_18b02124f0a5cd0ca578a31375259b7a_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{539F23BA-7A55-4351-86C9-DC0F555AB0C3}\WpadDecisionTime = a0a25b676c7edb01	2025-02-13_18b02124f0a5cd0ca578a31375259b7a_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\2a-5a-d9-7d-e8-6f	2025-02-13_18b02124f0a5cd0ca578a31375259b7a_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{539F23BA-7A55-4351-86C9-DC0F555AB0C3}\2a-5a-d9-7d-e8-6f	2025-02-13_18b02124f0a5cd0ca578a31375259b7a_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\2a-5a-d9-7d-e8-6f\WpadDecisionTime = a0a25b676c7edb01	2025-02-13_18b02124f0a5cd0ca578a31375259b7a_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0"	2025-02-13_18b02124f0a5cd0ca578a31375259b7a_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	2025-02-13_18b02124f0a5cd0ca578a31375259b7a_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f0131000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2025-02-13_18b02124f0a5cd0ca578a31375259b7a_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2025-02-13_18b02124f0a5cd0ca578a31375259b7a_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2025-02-13_18b02124f0a5cd0ca578a31375259b7a_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	2025-02-13_18b02124f0a5cd0ca578a31375259b7a_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	2025-02-13_18b02124f0a5cd0ca578a31375259b7a_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	2025-02-13_18b02124f0a5cd0ca578a31375259b7a_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\2a-5a-d9-7d-e8-6f\WpadDecision = "0"	2025-02-13_18b02124f0a5cd0ca578a31375259b7a_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	2025-02-13_18b02124f0a5cd0ca578a31375259b7a_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	2025-02-13_18b02124f0a5cd0ca578a31375259b7a_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{539F23BA-7A55-4351-86C9-DC0F555AB0C3}\WpadDecision = "0"	2025-02-13_18b02124f0a5cd0ca578a31375259b7a_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2025-02-13_18b02124f0a5cd0ca578a31375259b7a_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2025-02-13_18b02124f0a5cd0ca578a31375259b7a_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:3052
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:2656

C:\Users\Admin\AppData\Local\Temp\2025-02-13_18b02124f0a5cd0ca578a31375259b7a_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2025-02-13_18b02124f0a5cd0ca578a31375259b7a_wannacry.exe -m security
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:2776

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
b00efce31dd598031eac941155e8f994

SHA1
98d39b6241efee70579ce9fc193fe44d2c39f9c4

SHA256
5bbbc42020a34e029371f549ce9a94a2e83290688468414699c70ca26c4e382a

SHA512
f33a4b5965988b449ff3f58d281b482a08a6f26636d18f8134f64210011fd7b7e35061348ed6551e14b5ca2e4a0fab799075d3163069ec41eaeb9d685838b3d5

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Analysis

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