wannacry | e8c8912c3a2b40835e4e142c01bebb5e0838ee5ac2805ff7a08e3304037031da

General

Target

2024-10-30_6572f65b1947e2331df17be24da0b4cb_wannacry.exe
Size

5.0MB
MD5

6572f65b1947e2331df17be24da0b4cb
SHA1

314fc8606962d9bf0e37c6d919804effa052f93e
SHA256

e8c8912c3a2b40835e4e142c01bebb5e0838ee5ac2805ff7a08e3304037031da
SHA512

534f9b73eb661f0cb538c25b39a75776adf09929cffc428082a2e72399f4f6c30b4278de90dabd77d55c3a7d4dfad0b9dd3d019a9872f7cfbcd4715d1a9a3b93
SSDEEP

98304:XDqPoBhzbaRxcSUDk36SAEdhvxWa9P593R8yAVp2H:XDqPebCxcxk3ZAEUadzR8yc4H

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 (3196) 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
2284	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	2024-10-30_6572f65b1947e2331df17be24da0b4cb_wannacry.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	2024-10-30_6572f65b1947e2331df17be24da0b4cb_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	2024-10-30_6572f65b1947e2331df17be24da0b4cb_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-10-30_6572f65b1947e2331df17be24da0b4cb_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\AutoDetect = "1"	2024-10-30_6572f65b1947e2331df17be24da0b4cb_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f00ed000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-10-30_6572f65b1947e2331df17be24da0b4cb_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{9C3FC86A-C7BD-47ED-BF01-AC486AD57270}\WpadNetworkName = "Network 3"	2024-10-30_6572f65b1947e2331df17be24da0b4cb_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\b2-e3-e7-f4-66-1b\WpadDecisionReason = "1"	2024-10-30_6572f65b1947e2331df17be24da0b4cb_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\b2-e3-e7-f4-66-1b\WpadDecisionTime = 5073aa44ff2adb01	2024-10-30_6572f65b1947e2331df17be24da0b4cb_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	2024-10-30_6572f65b1947e2331df17be24da0b4cb_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	2024-10-30_6572f65b1947e2331df17be24da0b4cb_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	2024-10-30_6572f65b1947e2331df17be24da0b4cb_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\b2-e3-e7-f4-66-1b\WpadDecision = "0"	2024-10-30_6572f65b1947e2331df17be24da0b4cb_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{9C3FC86A-C7BD-47ED-BF01-AC486AD57270}\WpadDecisionReason = "1"	2024-10-30_6572f65b1947e2331df17be24da0b4cb_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0"	2024-10-30_6572f65b1947e2331df17be24da0b4cb_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	2024-10-30_6572f65b1947e2331df17be24da0b4cb_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	2024-10-30_6572f65b1947e2331df17be24da0b4cb_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{9C3FC86A-C7BD-47ED-BF01-AC486AD57270}	2024-10-30_6572f65b1947e2331df17be24da0b4cb_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{9C3FC86A-C7BD-47ED-BF01-AC486AD57270}\WpadDecision = "0"	2024-10-30_6572f65b1947e2331df17be24da0b4cb_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\b2-e3-e7-f4-66-1b	2024-10-30_6572f65b1947e2331df17be24da0b4cb_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-10-30_6572f65b1947e2331df17be24da0b4cb_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	2024-10-30_6572f65b1947e2331df17be24da0b4cb_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	2024-10-30_6572f65b1947e2331df17be24da0b4cb_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{9C3FC86A-C7BD-47ED-BF01-AC486AD57270}\WpadDecisionTime = 5073aa44ff2adb01	2024-10-30_6572f65b1947e2331df17be24da0b4cb_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{9C3FC86A-C7BD-47ED-BF01-AC486AD57270}\b2-e3-e7-f4-66-1b	2024-10-30_6572f65b1947e2331df17be24da0b4cb_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	2024-10-30_6572f65b1947e2331df17be24da0b4cb_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-10-30_6572f65b1947e2331df17be24da0b4cb_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-10-30_6572f65b1947e2331df17be24da0b4cb_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-10-30_6572f65b1947e2331df17be24da0b4cb_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-30_6572f65b1947e2331df17be24da0b4cb_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:3024
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:2284

C:\Users\Admin\AppData\Local\Temp\2024-10-30_6572f65b1947e2331df17be24da0b4cb_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-10-30_6572f65b1947e2331df17be24da0b4cb_wannacry.exe -m security
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:2416

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

Loading Replay Monitor...

Downloads

C:\Windows\tasksche.exe

Filesize
3.4MB

MD5
08dda7392bc30781c5427bd7168be6d3

SHA1
2589e917779a10284b1db712bcbdec8ed0da53d6

SHA256
919ef8007e54d0aa9b62265ff78172ae830c73c2a5490ef8933e8def00b22bd0

SHA512
004e34bacebc96b52cf3d990f3ebab29ae52bca65c77d7f15a0e3a959540442589719ea9947d20badd63d71024f25658dc358d10aed82bf5f34b11e53d1c1616

Download Submit

Analysis

Sharing