wannacry | 0fb0319479eff8ffab7e20fa6b498128389781a931ffc4b6534db7d02961a3c2

General

Target

2024-10-12_45adb7239478bef3de2528ffbf5b5b4d_wannacry.exe
Size

3.6MB
MD5

45adb7239478bef3de2528ffbf5b5b4d
SHA1

cada0761743a3c99063f6f236ee89544c268eafc
SHA256

0fb0319479eff8ffab7e20fa6b498128389781a931ffc4b6534db7d02961a3c2
SHA512

f52755436d3b1bcd118a2491fae6e337918e3daa29aa1849d7536a2181500baf95b4a7f2a23357a493834cb6391d55417271fb572e6fb87050df587c50dc588e
SSDEEP

12288:GvbLgPlu+QhMbaIMu7L5NAQhfYNVUy7ckPU82900Ve7zw+K+DHnmXsDCDxrcllOs:2bLgddQhfdm6QdIVUacMNgef0QnhGDx

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3202) 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
2192	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	2024-10-12_45adb7239478bef3de2528ffbf5b5b4d_wannacry.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	2024-10-12_45adb7239478bef3de2528ffbf5b5b4d_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	2024-10-12_45adb7239478bef3de2528ffbf5b5b4d_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-10-12_45adb7239478bef3de2528ffbf5b5b4d_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"	2024-10-12_45adb7239478bef3de2528ffbf5b5b4d_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1"	2024-10-12_45adb7239478bef3de2528ffbf5b5b4d_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	2024-10-12_45adb7239478bef3de2528ffbf5b5b4d_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	2024-10-12_45adb7239478bef3de2528ffbf5b5b4d_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{5E873AE7-AAFD-4933-A723-564B0657B038}\WpadDecisionTime = 20de3433911cdb01	2024-10-12_45adb7239478bef3de2528ffbf5b5b4d_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{5E873AE7-AAFD-4933-A723-564B0657B038}\WpadDecision = "0"	2024-10-12_45adb7239478bef3de2528ffbf5b5b4d_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	2024-10-12_45adb7239478bef3de2528ffbf5b5b4d_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-10-12_45adb7239478bef3de2528ffbf5b5b4d_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\b6-ca-8c-1d-5e-f7\WpadDecision = "0"	2024-10-12_45adb7239478bef3de2528ffbf5b5b4d_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\b6-ca-8c-1d-5e-f7\WpadDecisionReason = "1"	2024-10-12_45adb7239478bef3de2528ffbf5b5b4d_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\b6-ca-8c-1d-5e-f7\WpadDecisionTime = 20de3433911cdb01	2024-10-12_45adb7239478bef3de2528ffbf5b5b4d_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{5E873AE7-AAFD-4933-A723-564B0657B038}	2024-10-12_45adb7239478bef3de2528ffbf5b5b4d_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{5E873AE7-AAFD-4933-A723-564B0657B038}\WpadDecisionReason = "1"	2024-10-12_45adb7239478bef3de2528ffbf5b5b4d_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	2024-10-12_45adb7239478bef3de2528ffbf5b5b4d_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	2024-10-12_45adb7239478bef3de2528ffbf5b5b4d_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f00b9000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-10-12_45adb7239478bef3de2528ffbf5b5b4d_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{5E873AE7-AAFD-4933-A723-564B0657B038}\WpadNetworkName = "Network 3"	2024-10-12_45adb7239478bef3de2528ffbf5b5b4d_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{5E873AE7-AAFD-4933-A723-564B0657B038}\b6-ca-8c-1d-5e-f7	2024-10-12_45adb7239478bef3de2528ffbf5b5b4d_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	2024-10-12_45adb7239478bef3de2528ffbf5b5b4d_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-10-12_45adb7239478bef3de2528ffbf5b5b4d_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0"	2024-10-12_45adb7239478bef3de2528ffbf5b5b4d_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\b6-ca-8c-1d-5e-f7	2024-10-12_45adb7239478bef3de2528ffbf5b5b4d_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	2024-10-12_45adb7239478bef3de2528ffbf5b5b4d_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-10-12_45adb7239478bef3de2528ffbf5b5b4d_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-10-12_45adb7239478bef3de2528ffbf5b5b4d_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-12_45adb7239478bef3de2528ffbf5b5b4d_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:2192

C:\Users\Admin\AppData\Local\Temp\2024-10-12_45adb7239478bef3de2528ffbf5b5b4d_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-10-12_45adb7239478bef3de2528ffbf5b5b4d_wannacry.exe -m security
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:2836

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
7ad8869db4877bceaa85c51062f5e3bf

SHA1
7dc2238e127f41393ad3bb04a9a01180cbecd671

SHA256
91870c3328cd505bedf0353fa8c673cf615f856ebc385b3ec3d692cd7ceed3e0

SHA512
86c7401d4a6998d759d7b3928b07fb9335f7983a8f5b0a0c9395ae8c2e78ed49f0ebd4794b25bb905939c4ec5e469e974e3ef866b6c7bce1b251ccc54767a6cb

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Analysis

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