wannacry | 7418957975eea57c42891a24544b3fc3fbb3e41cc5b0c04d9662a46a8572a3ff

Analysis

max time kernel
150s
max time network
156s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
05-01-2025 03:52

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General

Target

2025-01-05_f2b20ffc3d5dba05b82bcd73f51e6603_wannacry.exe
Size

3.6MB
MD5

f2b20ffc3d5dba05b82bcd73f51e6603
SHA1

4d9eacb9ef806cb9c2bf795e406d2dd0dfa7d33e
SHA256

7418957975eea57c42891a24544b3fc3fbb3e41cc5b0c04d9662a46a8572a3ff
SHA512

f53d8d8448e619e2e800378ea8661ef401dd5a31c7b5ba048380efe6db6d9f9d57ebb8b59949ce82f01faed6c733948824902f3ab1adee6c9a85e586d1c59c9d
SSDEEP

98304:XDqPoBhz1aRxcSUDk36SAEdhvxWa9PqL:XDqPe1Cxcxk3ZAEUadq

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 (3117) 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
2600	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	2025-01-05_f2b20ffc3d5dba05b82bcd73f51e6603_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	2025-01-05_f2b20ffc3d5dba05b82bcd73f51e6603_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-01-05_f2b20ffc3d5dba05b82bcd73f51e6603_wannacry.exe

Modifies data under HKEY_USERS 5 IoCs

description	ioc	Process
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	2025-01-05_f2b20ffc3d5dba05b82bcd73f51e6603_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	2025-01-05_f2b20ffc3d5dba05b82bcd73f51e6603_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	2025-01-05_f2b20ffc3d5dba05b82bcd73f51e6603_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2025-01-05_f2b20ffc3d5dba05b82bcd73f51e6603_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2025-01-05_f2b20ffc3d5dba05b82bcd73f51e6603_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2025-01-05_f2b20ffc3d5dba05b82bcd73f51e6603_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2025-01-05_f2b20ffc3d5dba05b82bcd73f51e6603_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:3112
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:2600

C:\Users\Admin\AppData\Local\Temp\2025-01-05_f2b20ffc3d5dba05b82bcd73f51e6603_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2025-01-05_f2b20ffc3d5dba05b82bcd73f51e6603_wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:3976

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Network Service Discovery

T1046

System Location Discovery

T1614

System Language Discovery

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
8f71bd5735b5a74c1ce6fe08c96eb471

SHA1
eb7c03b0b430768155254685382ca5b7159d4a0e

SHA256
4f8b6b20a9b5d06edf264dbfe9ac04b813f73a22bae08966bce5d5f2bb41f845

SHA512
18dade7c56c377c382e7645ba5248aee19d2e74d1b9fecb87875e1e1aa2cc2a5e928bc36becb23c8c3253c3f9908abddafcb7a0e8bedff490b210ba63df4e536

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