wannacry | c285059d6de1404f14c9043f91841b1e7d7f947ca1b1e7d26fedfa10356dcc54

General

Target

2025-02-05_20843a4ed7ba2f1226bc7c323ffa33f3_wannacry.exe
Size

5.0MB
MD5

20843a4ed7ba2f1226bc7c323ffa33f3
SHA1

f5a89f41506fe76213509bc76d3349aa98a0ce86
SHA256

c285059d6de1404f14c9043f91841b1e7d7f947ca1b1e7d26fedfa10356dcc54
SHA512

eb6b4128acaea6c658f40d66b7241d0089db0e6864cf2330575cd5fd4cf7679281afefe79677a972680f01be4d2cf61fc65120b6af4d3a6a2b07a36afdc38e1f
SSDEEP

98304:5DqPoBhz1aRxcSUDk36SAEdhvxWa9P593R8yAVp2HX:5DqPe1Cxcxk3ZAEUadzR8yc4HX

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 (3190) 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
2772	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	2025-02-05_20843a4ed7ba2f1226bc7c323ffa33f3_wannacry.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	2025-02-05_20843a4ed7ba2f1226bc7c323ffa33f3_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	2025-02-05_20843a4ed7ba2f1226bc7c323ffa33f3_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-02-05_20843a4ed7ba2f1226bc7c323ffa33f3_wannacry.exe

Modifies data under HKEY_USERS 24 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	2025-02-05_20843a4ed7ba2f1226bc7c323ffa33f3_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2025-02-05_20843a4ed7ba2f1226bc7c323ffa33f3_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2025-02-05_20843a4ed7ba2f1226bc7c323ffa33f3_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0"	2025-02-05_20843a4ed7ba2f1226bc7c323ffa33f3_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f0091000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2025-02-05_20843a4ed7ba2f1226bc7c323ffa33f3_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{C15BB65D-4298-42DB-A24E-A43A70470983}\WpadDecisionTime = 10c55b671778db01	2025-02-05_20843a4ed7ba2f1226bc7c323ffa33f3_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\f2-55-75-18-07-95\WpadDecision = "0"	2025-02-05_20843a4ed7ba2f1226bc7c323ffa33f3_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	2025-02-05_20843a4ed7ba2f1226bc7c323ffa33f3_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	2025-02-05_20843a4ed7ba2f1226bc7c323ffa33f3_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	2025-02-05_20843a4ed7ba2f1226bc7c323ffa33f3_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{C15BB65D-4298-42DB-A24E-A43A70470983}\WpadDecisionReason = "1"	2025-02-05_20843a4ed7ba2f1226bc7c323ffa33f3_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{C15BB65D-4298-42DB-A24E-A43A70470983}\WpadNetworkName = "Network 3"	2025-02-05_20843a4ed7ba2f1226bc7c323ffa33f3_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\f2-55-75-18-07-95\WpadDecisionReason = "1"	2025-02-05_20843a4ed7ba2f1226bc7c323ffa33f3_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2025-02-05_20843a4ed7ba2f1226bc7c323ffa33f3_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1"	2025-02-05_20843a4ed7ba2f1226bc7c323ffa33f3_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	2025-02-05_20843a4ed7ba2f1226bc7c323ffa33f3_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	2025-02-05_20843a4ed7ba2f1226bc7c323ffa33f3_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\f2-55-75-18-07-95	2025-02-05_20843a4ed7ba2f1226bc7c323ffa33f3_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{C15BB65D-4298-42DB-A24E-A43A70470983}\f2-55-75-18-07-95	2025-02-05_20843a4ed7ba2f1226bc7c323ffa33f3_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	2025-02-05_20843a4ed7ba2f1226bc7c323ffa33f3_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	2025-02-05_20843a4ed7ba2f1226bc7c323ffa33f3_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{C15BB65D-4298-42DB-A24E-A43A70470983}	2025-02-05_20843a4ed7ba2f1226bc7c323ffa33f3_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{C15BB65D-4298-42DB-A24E-A43A70470983}\WpadDecision = "0"	2025-02-05_20843a4ed7ba2f1226bc7c323ffa33f3_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\f2-55-75-18-07-95\WpadDecisionTime = 10c55b671778db01	2025-02-05_20843a4ed7ba2f1226bc7c323ffa33f3_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2025-02-05_20843a4ed7ba2f1226bc7c323ffa33f3_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2025-02-05_20843a4ed7ba2f1226bc7c323ffa33f3_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:2580
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:2772

C:\Users\Admin\AppData\Local\Temp\2025-02-05_20843a4ed7ba2f1226bc7c323ffa33f3_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2025-02-05_20843a4ed7ba2f1226bc7c323ffa33f3_wannacry.exe -m security
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:1700

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
7f7ccaa16fb15eb1c7399d422f8363e8

SHA1
bd44d0ab543bf814d93b719c24e90d8dd7111234

SHA256
2584e1521065e45ec3c17767c065429038fc6291c091097ea8b22c8a502c41dd

SHA512
83e334b80de08903cfa9891a3fa349c1ece7e19f8e62b74a017512fa9a7989a0fd31929bf1fc13847bee04f2da3dacf6bc3f5ee58f0e4b9d495f4b9af12ed2b7

Download Submit
memory/1700-1-0x0000000000400000-0x0000000000A72000-memory.dmp

Filesize
6.4MB

Download
memory/1700-7-0x0000000000400000-0x0000000000A72000-memory.dmp

Filesize
6.4MB

Download
memory/2580-0-0x0000000000400000-0x0000000000A72000-memory.dmp

Filesize
6.4MB

Download
memory/2580-6-0x0000000000400000-0x0000000000A72000-memory.dmp

Filesize
6.4MB

Download

Analysis

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