wannacry | 94d00e2fdc97cc413ca82b999b709d5af9dd2883749db82a2da7d004fd017f86

General

Target

2025-02-13_7bc6269970669987989945797545deeb_wannacry.exe
Size

5.0MB
MD5

7bc6269970669987989945797545deeb
SHA1

34a8b088c3a2bb5ca9b6bf9664cea3910a526169
SHA256

94d00e2fdc97cc413ca82b999b709d5af9dd2883749db82a2da7d004fd017f86
SHA512

70a22be30e80c23b8e073fc8b5f08f55a650d0c4a18d141b55aa43e60ee06889f7e3d61f7d8a3b5d0af32a61b3f75b960bb465edc4bcdaddcc416f7385619ba4
SSDEEP

98304:yDqPoBhzs6SAEdhvxWa9P593R8yAVp2HI:yDqPesZAEUadzR8yc4HI

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 (3325) amount of remote hosts 1 TTPs
This may indicate a network scan to discover remotely running services.
discovery

Network Service Discovery
T1046

Downloads MZ/PE file 1 IoCs

flow	pid	Process
456	1476	Process not Found

Executes dropped EXE 1 IoCs

pid	Process
2680	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 Windows directory 1 IoCs

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	2025-02-13_7bc6269970669987989945797545deeb_wannacry.exe

System Location Discovery: System Language Discovery 1 TTPs 3 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	2025-02-13_7bc6269970669987989945797545deeb_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-02-13_7bc6269970669987989945797545deeb_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MicrosoftEdgeUpdate.exe

System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 1 IoCs

Adversaries may check for Internet connectivity on compromised systems.

discovery

Internet Connection Discovery

T1016.001

pid	Process
4856	MicrosoftEdgeUpdate.exe

Modifies data under HKEY_USERS 5 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2025-02-13_7bc6269970669987989945797545deeb_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2025-02-13_7bc6269970669987989945797545deeb_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	2025-02-13_7bc6269970669987989945797545deeb_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	2025-02-13_7bc6269970669987989945797545deeb_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	2025-02-13_7bc6269970669987989945797545deeb_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2025-02-13_7bc6269970669987989945797545deeb_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2025-02-13_7bc6269970669987989945797545deeb_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:3504
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:2680

C:\Users\Admin\AppData\Local\Temp\2025-02-13_7bc6269970669987989945797545deeb_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2025-02-13_7bc6269970669987989945797545deeb_wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:2572

C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe
"C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe" /ping 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-PGFwcCBhcHBpZD0iezhBNjlEMzQ1LUQ1NjQtNDYzYy1BRkYxLUE2OUQ5RTUzMEY5Nn0iIHZlcnNpb249IjEyMy4wLjYzMTIuMTIzIiBuZXh0dmVyc2lvbj0iIiBsYW5nPSJlbiIgYnJhbmQ9IkdHTFMiIGNsaWVudD0iIiBpbnN0YWxsYWdlPSI2IiBpbnN0YWxsZGF0ZXRpbWU9IjE3Mzg5NDU5MjEiIG9vYmVfaW5zdGFsbF90aW1lPSIxMzM4MzQxODE5ODA3NzAwMDAiPjxldmVudCBldmVudHR5cGU9IjMxIiBldmVudHJlc3VsdD0iMSIgZXJyb3Jjb2RlPSIwIiBleHRyYWNvZGUxPSIyMTc5ODYyIiBzeXN0ZW1fdXB0aW1lX3RpY2tzPSI1MDAxMTA5NjUxIi8-PC9hcHA-PC9yZXF1ZXN0Pg
1⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
PID:4856

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

System Network Configuration Discovery

1

T1016

Internet Connection Discovery

1

T1016.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Windows\tasksche.exe

Filesize
3.4MB

MD5
7def342cb71106b28d54785f60206c4c

SHA1
b64f11457f3f11a0701d7fcb462060db309d703d

SHA256
7001994c9b71dc184dcbc72a9a15f0da430bd02521161d6172b217bab2440c9c

SHA512
5758a4d28bb11c52930243df4158bd6a935c97351b3e09d5b50c23757e2e0afab461198f4eaf70216d0084431ea8ab5912f1ce13fe9b83921d7f4caf9fe56b11

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