wannacry | ea7c389d70c92a52ef6c6e6be13bf3b7cd0c0862d2fc1928f52cdc7b9f0a2f40

Analysis

max time kernel
120s
max time network
121s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
20-01-2025 17:39

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General

Target

ea7c389d70c92a52ef6c6e6be13bf3b7cd0c0862d2fc1928f52cdc7b9f0a2f40N.exe
Size

3.6MB
MD5

e5c2a69fb7d0534f11e5278f98cfb420
SHA1

4855bf08db7b937a61bd85ed225b08f0497c2e1e
SHA256

ea7c389d70c92a52ef6c6e6be13bf3b7cd0c0862d2fc1928f52cdc7b9f0a2f40
SHA512

a332a406c548f5f9deff58fa26b0a3ab1d7da3b9cd6eb5ded160bbfbec128eac02afb7a64a5895411ec0ade6e7edc5f953ae76894099cf66b48145efd20380f2
SSDEEP

98304:XDqPoBhzyk36SAEdhvxWa9P593R8yAVp2HI:XDqPeyk3ZAEUadzR8yc4HI

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 (2321) 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
3292	tasksche.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	ea7c389d70c92a52ef6c6e6be13bf3b7cd0c0862d2fc1928f52cdc7b9f0a2f40N.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	ea7c389d70c92a52ef6c6e6be13bf3b7cd0c0862d2fc1928f52cdc7b9f0a2f40N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ea7c389d70c92a52ef6c6e6be13bf3b7cd0c0862d2fc1928f52cdc7b9f0a2f40N.exe

Modifies data under HKEY_USERS 5 IoCs

description	ioc	Process
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	ea7c389d70c92a52ef6c6e6be13bf3b7cd0c0862d2fc1928f52cdc7b9f0a2f40N.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	ea7c389d70c92a52ef6c6e6be13bf3b7cd0c0862d2fc1928f52cdc7b9f0a2f40N.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	ea7c389d70c92a52ef6c6e6be13bf3b7cd0c0862d2fc1928f52cdc7b9f0a2f40N.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	ea7c389d70c92a52ef6c6e6be13bf3b7cd0c0862d2fc1928f52cdc7b9f0a2f40N.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	ea7c389d70c92a52ef6c6e6be13bf3b7cd0c0862d2fc1928f52cdc7b9f0a2f40N.exe

C:\Users\Admin\AppData\Local\Temp\ea7c389d70c92a52ef6c6e6be13bf3b7cd0c0862d2fc1928f52cdc7b9f0a2f40N.exe
"C:\Users\Admin\AppData\Local\Temp\ea7c389d70c92a52ef6c6e6be13bf3b7cd0c0862d2fc1928f52cdc7b9f0a2f40N.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:1116
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:3292

C:\Users\Admin\AppData\Local\Temp\ea7c389d70c92a52ef6c6e6be13bf3b7cd0c0862d2fc1928f52cdc7b9f0a2f40N.exe
C:\Users\Admin\AppData\Local\Temp\ea7c389d70c92a52ef6c6e6be13bf3b7cd0c0862d2fc1928f52cdc7b9f0a2f40N.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:220

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
a556cc99d7a52801e97a0f3c02d61f87

SHA1
2c2a8ab0adddc307eb2cc35e62dc1496794d3942

SHA256
c157dacd4ea2a1c46494a4bbc8d6835de32d6cf9577a4b0206d9aa5e3c95ed63

SHA512
336ec1d020451f426a04aaec2af51c1e455a174d0f400e9c487f9f75314757f974daea360dd2076a49c0c0f21596626902395ad88766e8c53de396938c2ad397

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