wannacry | 2f26412d394c6281b0f63b051150d6a22ffdd0ba757c47ff61556fa932e20646

Analysis

max time kernel
150s
max time network
150s
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 11:04

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General

Target

2025-01-05_e4ce71510238705afefb1067def2a79c_wannacry.exe
Size

5.0MB
MD5

e4ce71510238705afefb1067def2a79c
SHA1

8fc28cb5c9428457760a217d0c9b82f644ee3a24
SHA256

2f26412d394c6281b0f63b051150d6a22ffdd0ba757c47ff61556fa932e20646
SHA512

88c83be97691a9d7fdd2351c2c717b87eadd049619fb40acf3a49c35286c9900e215075a1b067bbd5dc66e962f46d279309a00fc5b5c990da0f21d7ebd83cca8
SSDEEP

24576:2bLgddQhfdmMSirYbcMNgef0QeQjG/D8kIqRYoAdNLKz:2nAQqMSPbcBVQej/1IN

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 (3138) 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
3396	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_e4ce71510238705afefb1067def2a79c_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_e4ce71510238705afefb1067def2a79c_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-01-05_e4ce71510238705afefb1067def2a79c_wannacry.exe

Modifies data under HKEY_USERS 5 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2025-01-05_e4ce71510238705afefb1067def2a79c_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2025-01-05_e4ce71510238705afefb1067def2a79c_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	2025-01-05_e4ce71510238705afefb1067def2a79c_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	2025-01-05_e4ce71510238705afefb1067def2a79c_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	2025-01-05_e4ce71510238705afefb1067def2a79c_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2025-01-05_e4ce71510238705afefb1067def2a79c_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2025-01-05_e4ce71510238705afefb1067def2a79c_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:1752
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:3396

C:\Users\Admin\AppData\Local\Temp\2025-01-05_e4ce71510238705afefb1067def2a79c_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2025-01-05_e4ce71510238705afefb1067def2a79c_wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:3180

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
612eab5152f7d8c6ce139f581c9a9bb7

SHA1
2f65aa2e11efcd0f5611f61d4844b73444f5fc58

SHA256
7bb49b8e43739958193da5a91dae1e5a59eadcab1302e45872533a218604246c

SHA512
c49b92dd1718a3ec268d9cdcccf663d6303d313b4bd62009ba8ce6711e02d6a3c1f559a49427823a0b495e6ebb2add35adf6baa28975f1b17b04fae260f1a1f3

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