wannacry | 0e53f52f6182f55e101da64ff96a4a643d1fccbdde7e64dff69e91db139593c0

General

Target

2025-01-08_0b5a119495bf91d85f5a9445b6fedc61_wannacry.exe
Size

3.6MB
MD5

0b5a119495bf91d85f5a9445b6fedc61
SHA1

270a459ef0148f14c5290249fdea5f800403fbda
SHA256

0e53f52f6182f55e101da64ff96a4a643d1fccbdde7e64dff69e91db139593c0
SHA512

673d0729385c414e227e4d27a067f9c135659ad7df960b50c9113075ff7e7f44a8314b6fdbf5035a62ec5edda81639f9c4778da52624093eacf5c932bbf6d56d
SSDEEP

12288:GvbLgPlu+QhMbaIMu7L5tVErCA4z2g6rTcbckPU82900Ve7zw+K+D:2bLgddQhfdmsSirYbcMNgef0

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 (3345) 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
2416	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	2025-01-08_0b5a119495bf91d85f5a9445b6fedc61_wannacry.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	2025-01-08_0b5a119495bf91d85f5a9445b6fedc61_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	2025-01-08_0b5a119495bf91d85f5a9445b6fedc61_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-01-08_0b5a119495bf91d85f5a9445b6fedc61_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"	2025-01-08_0b5a119495bf91d85f5a9445b6fedc61_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	2025-01-08_0b5a119495bf91d85f5a9445b6fedc61_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{963AACC6-416A-4C4D-BAE3-65DCAA05AF64}\WpadNetworkName = "Network 3"	2025-01-08_0b5a119495bf91d85f5a9445b6fedc61_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{963AACC6-416A-4C4D-BAE3-65DCAA05AF64}\76-df-b0-ec-81-1d	2025-01-08_0b5a119495bf91d85f5a9445b6fedc61_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\76-df-b0-ec-81-1d\WpadDecisionTime = 40776a2bc961db01	2025-01-08_0b5a119495bf91d85f5a9445b6fedc61_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\76-df-b0-ec-81-1d\WpadDecision = "0"	2025-01-08_0b5a119495bf91d85f5a9445b6fedc61_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{963AACC6-416A-4C4D-BAE3-65DCAA05AF64}	2025-01-08_0b5a119495bf91d85f5a9445b6fedc61_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{963AACC6-416A-4C4D-BAE3-65DCAA05AF64}\WpadDecisionTime = 40776a2bc961db01	2025-01-08_0b5a119495bf91d85f5a9445b6fedc61_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{963AACC6-416A-4C4D-BAE3-65DCAA05AF64}\WpadDecision = "0"	2025-01-08_0b5a119495bf91d85f5a9445b6fedc61_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	2025-01-08_0b5a119495bf91d85f5a9445b6fedc61_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2025-01-08_0b5a119495bf91d85f5a9445b6fedc61_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2025-01-08_0b5a119495bf91d85f5a9445b6fedc61_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1"	2025-01-08_0b5a119495bf91d85f5a9445b6fedc61_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{963AACC6-416A-4C4D-BAE3-65DCAA05AF64}\WpadDecisionReason = "1"	2025-01-08_0b5a119495bf91d85f5a9445b6fedc61_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\76-df-b0-ec-81-1d	2025-01-08_0b5a119495bf91d85f5a9445b6fedc61_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	2025-01-08_0b5a119495bf91d85f5a9445b6fedc61_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	2025-01-08_0b5a119495bf91d85f5a9445b6fedc61_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	2025-01-08_0b5a119495bf91d85f5a9445b6fedc61_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2025-01-08_0b5a119495bf91d85f5a9445b6fedc61_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	2025-01-08_0b5a119495bf91d85f5a9445b6fedc61_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	2025-01-08_0b5a119495bf91d85f5a9445b6fedc61_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	2025-01-08_0b5a119495bf91d85f5a9445b6fedc61_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f00e2000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2025-01-08_0b5a119495bf91d85f5a9445b6fedc61_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\76-df-b0-ec-81-1d\WpadDecisionReason = "1"	2025-01-08_0b5a119495bf91d85f5a9445b6fedc61_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2025-01-08_0b5a119495bf91d85f5a9445b6fedc61_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2025-01-08_0b5a119495bf91d85f5a9445b6fedc61_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:1856
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:2416

C:\Users\Admin\AppData\Local\Temp\2025-01-08_0b5a119495bf91d85f5a9445b6fedc61_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2025-01-08_0b5a119495bf91d85f5a9445b6fedc61_wannacry.exe -m security
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:2580

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

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Downloads

C:\Windows\tasksche.exe

Filesize
3.4MB

MD5
e06787422efb1b0b6138028ad304d173

SHA1
63716120822a8d7ad58bd581a5c37fd1084828a7

SHA256
0dbbea812a20f6457156ef09a9e23d84199cd71a3270179bdddf738609e629bd

SHA512
deb548dd210d60128ce136cca32d0e3989fc51613f44644c532fd87cd21a14576bdf43701cb2c6db3a9a8d0c6b7364178349623aa9242566885a9ca127811d95

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Analysis

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