wannacry | 9643097539e14befaecab8227ceeac1e533b0a94b921e0848b5f5cf92f518286

General

Target

2025-01-11_d5a603177556d0d5c8b28e1fe51ffbdc_wannacry.exe
Size

5.0MB
MD5

d5a603177556d0d5c8b28e1fe51ffbdc
SHA1

e19fb8f3a199a603f88f0b7fd327c8d678546bfa
SHA256

9643097539e14befaecab8227ceeac1e533b0a94b921e0848b5f5cf92f518286
SHA512

f1008171e22fbe298edcb27bf9a9fe5a5a4656dc2595f1eb0d243790c0a9b74cf64ab31c287bf3762676a027fe3536fae6df868b5cf56fd98996427d1aa98b7e
SSDEEP

49152:8nQQqMSPbcBVQejIkQo6SArf0XdX63DE4JUJn0EF9a4AhAU+LGI7QOZ4HDX:czqPoBhUk36SAQx6Wf9AZHz

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 (3104) 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
2896	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	2025-01-11_d5a603177556d0d5c8b28e1fe51ffbdc_wannacry.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	2025-01-11_d5a603177556d0d5c8b28e1fe51ffbdc_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	2025-01-11_d5a603177556d0d5c8b28e1fe51ffbdc_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-01-11_d5a603177556d0d5c8b28e1fe51ffbdc_wannacry.exe

Modifies data under HKEY_USERS 21 IoCs

description	ioc	Process
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f00d1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2025-01-11_d5a603177556d0d5c8b28e1fe51ffbdc_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{7550CE52-E5DA-447E-B76C-BDF604CEB25C}\WpadDecision = "0"	2025-01-11_d5a603177556d0d5c8b28e1fe51ffbdc_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{7550CE52-E5DA-447E-B76C-BDF604CEB25C}\WpadNetworkName = "Network 3"	2025-01-11_d5a603177556d0d5c8b28e1fe51ffbdc_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\a6-29-fb-d4-29-22\WpadDecisionTime = 60c8f4543864db01	2025-01-11_d5a603177556d0d5c8b28e1fe51ffbdc_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\a6-29-fb-d4-29-22\WpadDecision = "0"	2025-01-11_d5a603177556d0d5c8b28e1fe51ffbdc_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	2025-01-11_d5a603177556d0d5c8b28e1fe51ffbdc_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0"	2025-01-11_d5a603177556d0d5c8b28e1fe51ffbdc_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	2025-01-11_d5a603177556d0d5c8b28e1fe51ffbdc_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2025-01-11_d5a603177556d0d5c8b28e1fe51ffbdc_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1"	2025-01-11_d5a603177556d0d5c8b28e1fe51ffbdc_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{7550CE52-E5DA-447E-B76C-BDF604CEB25C}\WpadDecisionReason = "1"	2025-01-11_d5a603177556d0d5c8b28e1fe51ffbdc_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{7550CE52-E5DA-447E-B76C-BDF604CEB25C}\a6-29-fb-d4-29-22	2025-01-11_d5a603177556d0d5c8b28e1fe51ffbdc_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	2025-01-11_d5a603177556d0d5c8b28e1fe51ffbdc_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2025-01-11_d5a603177556d0d5c8b28e1fe51ffbdc_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	2025-01-11_d5a603177556d0d5c8b28e1fe51ffbdc_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2025-01-11_d5a603177556d0d5c8b28e1fe51ffbdc_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{7550CE52-E5DA-447E-B76C-BDF604CEB25C}	2025-01-11_d5a603177556d0d5c8b28e1fe51ffbdc_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\a6-29-fb-d4-29-22	2025-01-11_d5a603177556d0d5c8b28e1fe51ffbdc_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	2025-01-11_d5a603177556d0d5c8b28e1fe51ffbdc_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{7550CE52-E5DA-447E-B76C-BDF604CEB25C}\WpadDecisionTime = 60c8f4543864db01	2025-01-11_d5a603177556d0d5c8b28e1fe51ffbdc_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\a6-29-fb-d4-29-22\WpadDecisionReason = "1"	2025-01-11_d5a603177556d0d5c8b28e1fe51ffbdc_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2025-01-11_d5a603177556d0d5c8b28e1fe51ffbdc_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2025-01-11_d5a603177556d0d5c8b28e1fe51ffbdc_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:2376
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:2896

C:\Users\Admin\AppData\Local\Temp\2025-01-11_d5a603177556d0d5c8b28e1fe51ffbdc_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2025-01-11_d5a603177556d0d5c8b28e1fe51ffbdc_wannacry.exe -m security
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:2560

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
8b60350eab8a35781636a66ebe58b89f

SHA1
8f71a2bfe1aa8d56bf243979e81219aa4f0d9d7e

SHA256
1b9adb13a91b524be9c4cb283c61988c66cfba8418c97c81be5aa077bdc7c026

SHA512
58ea8a4a6aa88d3f72663f3877f0af55e6d5758e6b337c899c8f26208f0c45b637e4a14c7ae5bf9ac42152b728e28d1fe99038ce925536f04dd07b29c7ef07bc

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