wannacry | ffac85b2efbc0fd79dd6beaaba29904a0267fc2b121ac204c1f7142a9cb1aea7

Analysis

max time kernel
150s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
18-08-2024 03:21

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General

Target

2024-08-18_f2896ce106290fc3dd6df15e6b44c86c_wannacry.exe
Size

3.6MB
MD5

f2896ce106290fc3dd6df15e6b44c86c
SHA1

dcb8b16d3d21420d2429717f52901b5fed2586eb
SHA256

ffac85b2efbc0fd79dd6beaaba29904a0267fc2b121ac204c1f7142a9cb1aea7
SHA512

4bd167ede1495cbeafc02ea9d80387f155fc11ce6f3db7220a3a0cef7bc7cdb2c2ced73e5db622692f2314deff8a58f60bda26d1ab0a01ee54731bf6918a9bef
SSDEEP

49152:XnAQqMSPbcBVQej/1INRx+TSqTdX5pAbvxJM0H9PAME:XDqPoBhz1aRxcSULpAjxWa9P5

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3268) 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
4736	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	2024-08-18_f2896ce106290fc3dd6df15e6b44c86c_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	2024-08-18_f2896ce106290fc3dd6df15e6b44c86c_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-08-18_f2896ce106290fc3dd6df15e6b44c86c_wannacry.exe

Modifies data under HKEY_USERS 5 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-08-18_f2896ce106290fc3dd6df15e6b44c86c_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2024-08-18_f2896ce106290fc3dd6df15e6b44c86c_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	2024-08-18_f2896ce106290fc3dd6df15e6b44c86c_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	2024-08-18_f2896ce106290fc3dd6df15e6b44c86c_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	2024-08-18_f2896ce106290fc3dd6df15e6b44c86c_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-08-18_f2896ce106290fc3dd6df15e6b44c86c_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-08-18_f2896ce106290fc3dd6df15e6b44c86c_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:4904
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:4736

C:\Users\Admin\AppData\Local\Temp\2024-08-18_f2896ce106290fc3dd6df15e6b44c86c_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-08-18_f2896ce106290fc3dd6df15e6b44c86c_wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:3720

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
77ffd522c2635cea31ce0a90cf3e2894

SHA1
3931094c6091efaefb87d741ea68dc78af29ad72

SHA256
2d574cc990b342ee3b24698200172cf4fb422987bcc01d2bc758a1d59e106a35

SHA512
830bcfbd741e7e8de36efd9f762ecffc318582580d6b6c23f2c24e4f7c699a0305532094307d4e4616070eb6ff69a0d120d4f0a36d092f7f749b1b65ad3e18f2

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