wannacry | 9ef8d5fab2d65142696e79b1d5cf244b75f13f91651392b381a096916e762110

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
27-08-2024 22:14

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General

Target

c5d6726c45c63d76777a05a315110e5b_JaffaCakes118.exe
Size

3.6MB
MD5

c5d6726c45c63d76777a05a315110e5b
SHA1

ec1e3f6eb82d8c9a73ecfbfd5bedc3bc7fe02899
SHA256

9ef8d5fab2d65142696e79b1d5cf244b75f13f91651392b381a096916e762110
SHA512

313bb932958465a691304213f8e37515142fac87cbd0d4f874bbd84b837817943044a55a24a39ff7680fc8d5b54d5ee8e286b67f3726bf04c6d8844c54196ab3
SSDEEP

98304:yDqPoBhz1aRxcSUDk36SAEdh+3R8yAVp26:yDqPe1Cxcxk3ZAEUR8yc46

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3090) 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
760	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	c5d6726c45c63d76777a05a315110e5b_JaffaCakes118.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	c5d6726c45c63d76777a05a315110e5b_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	c5d6726c45c63d76777a05a315110e5b_JaffaCakes118.exe

Modifies data under HKEY_USERS 5 IoCs

description	ioc	Process
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	c5d6726c45c63d76777a05a315110e5b_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	c5d6726c45c63d76777a05a315110e5b_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	c5d6726c45c63d76777a05a315110e5b_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	c5d6726c45c63d76777a05a315110e5b_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	c5d6726c45c63d76777a05a315110e5b_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\c5d6726c45c63d76777a05a315110e5b_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\c5d6726c45c63d76777a05a315110e5b_JaffaCakes118.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:4752
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:760

C:\Users\Admin\AppData\Local\Temp\c5d6726c45c63d76777a05a315110e5b_JaffaCakes118.exe
C:\Users\Admin\AppData\Local\Temp\c5d6726c45c63d76777a05a315110e5b_JaffaCakes118.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:2944

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

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Downloads

C:\Windows\tasksche.exe

Filesize
3.4MB

MD5
c25fccd9456bd3c56d2f6478f4a51f6d

SHA1
4be8c5b95bcbd418dd5b2788c24e71baad12058d

SHA256
6e2c993bb262b9c63c4613fc946cc0c7fe75f6c424e812ca4227bcea7c5e384e

SHA512
2e2bba76b71258c67abde614706fc781156abbfda388e811504e6fdf7b372fad04fd2819a99d0f4b5fdbf34e08234d07b6cc2d0876aa6ecffb66c8f7f8ec3a89

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