wannacry | 8f3a7bc2022ba3865ee97ea1610cddab7a7774e0b4e20db7b5cf652030f2faa6

General

Target

2024-12-04_d860b5d7abca8ac7151d795486c8e477_wannacry.exe
Size

5.0MB
MD5

d860b5d7abca8ac7151d795486c8e477
SHA1

7697b47e9714f2f4c20d3659c463da46f9710915
SHA256

8f3a7bc2022ba3865ee97ea1610cddab7a7774e0b4e20db7b5cf652030f2faa6
SHA512

4173435039084304589e064c37ff639a8934ac5698b3748b3fe3c0e82c7ee14879d83e7a2b7b7833bb805a77eb7e7d37bca15b2e6f451c77e2dae803a3c280b7
SSDEEP

98304:mDqPoBhz1aRxcSUDk36SAEdhvxWa9P59Uc/J:mDqPe1Cxcxk3ZAEUadv

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 (3236) 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
2760	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	2024-12-04_d860b5d7abca8ac7151d795486c8e477_wannacry.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	2024-12-04_d860b5d7abca8ac7151d795486c8e477_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	2024-12-04_d860b5d7abca8ac7151d795486c8e477_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-12-04_d860b5d7abca8ac7151d795486c8e477_wannacry.exe

Modifies data under HKEY_USERS 24 IoCs

description	ioc	Process
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	2024-12-04_d860b5d7abca8ac7151d795486c8e477_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	2024-12-04_d860b5d7abca8ac7151d795486c8e477_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{FB242341-6293-4042-9862-A3E021EB245E}\WpadDecisionReason = "1"	2024-12-04_d860b5d7abca8ac7151d795486c8e477_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{FB242341-6293-4042-9862-A3E021EB245E}\WpadNetworkName = "Network 3"	2024-12-04_d860b5d7abca8ac7151d795486c8e477_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\1a-59-10-1e-fa-83	2024-12-04_d860b5d7abca8ac7151d795486c8e477_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\1a-59-10-1e-fa-83\WpadDecision = "0"	2024-12-04_d860b5d7abca8ac7151d795486c8e477_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0"	2024-12-04_d860b5d7abca8ac7151d795486c8e477_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	2024-12-04_d860b5d7abca8ac7151d795486c8e477_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{FB242341-6293-4042-9862-A3E021EB245E}	2024-12-04_d860b5d7abca8ac7151d795486c8e477_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{FB242341-6293-4042-9862-A3E021EB245E}\WpadDecisionTime = 403899a93a46db01	2024-12-04_d860b5d7abca8ac7151d795486c8e477_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{FB242341-6293-4042-9862-A3E021EB245E}\WpadDecision = "0"	2024-12-04_d860b5d7abca8ac7151d795486c8e477_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	2024-12-04_d860b5d7abca8ac7151d795486c8e477_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-12-04_d860b5d7abca8ac7151d795486c8e477_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-12-04_d860b5d7abca8ac7151d795486c8e477_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{FB242341-6293-4042-9862-A3E021EB245E}\1a-59-10-1e-fa-83	2024-12-04_d860b5d7abca8ac7151d795486c8e477_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\1a-59-10-1e-fa-83\WpadDecisionTime = 403899a93a46db01	2024-12-04_d860b5d7abca8ac7151d795486c8e477_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1"	2024-12-04_d860b5d7abca8ac7151d795486c8e477_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	2024-12-04_d860b5d7abca8ac7151d795486c8e477_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	2024-12-04_d860b5d7abca8ac7151d795486c8e477_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f0118000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-12-04_d860b5d7abca8ac7151d795486c8e477_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\1a-59-10-1e-fa-83\WpadDecisionReason = "1"	2024-12-04_d860b5d7abca8ac7151d795486c8e477_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	2024-12-04_d860b5d7abca8ac7151d795486c8e477_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	2024-12-04_d860b5d7abca8ac7151d795486c8e477_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-12-04_d860b5d7abca8ac7151d795486c8e477_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-12-04_d860b5d7abca8ac7151d795486c8e477_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-12-04_d860b5d7abca8ac7151d795486c8e477_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:2508
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:2760

C:\Users\Admin\AppData\Local\Temp\2024-12-04_d860b5d7abca8ac7151d795486c8e477_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-12-04_d860b5d7abca8ac7151d795486c8e477_wannacry.exe -m security
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:2748

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
72a0273e5bdad2089ab90020265fcbce

SHA1
4a64856c9b86cc9f74fc6e74524d3cb09c3668a4

SHA256
45dc98a814d1bfd4ba7790b607da53678df7c99e3e1747f7ad4f56899e3805e4

SHA512
e02a324565dee584ba64e47936c5ab6a70d0c00e69e9767bf82d8c8195771a8270699f72ad0d64a490d22b0be32b54ce04c3df973baa8e8b65434781e848eb02

Download Submit
memory/2508-0-0x0000000000400000-0x0000000000A73000-memory.dmp

Filesize
6.4MB

Download
memory/2508-6-0x0000000000400000-0x0000000000A73000-memory.dmp

Filesize
6.4MB

Download
memory/2748-1-0x0000000000400000-0x0000000000A73000-memory.dmp

Filesize
6.4MB

Download
memory/2748-7-0x0000000000400000-0x0000000000A73000-memory.dmp

Filesize
6.4MB

Download

Analysis

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