wannacry | 032e17237f1c9dfde026f1add7ef54d812eb14604bfcaa77863a8042c041d7be

Analysis

max time kernel
150s
max time network
157s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
07-10-2024 10:52

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General

Target

2024-10-07_27d47924bd8d5cd88ddb29b31ad6a83d_wannacry.exe
Size

5.0MB
MD5

27d47924bd8d5cd88ddb29b31ad6a83d
SHA1

9f1c0fff43e5c156bb1e13a00f9eb36c7c00a53a
SHA256

032e17237f1c9dfde026f1add7ef54d812eb14604bfcaa77863a8042c041d7be
SHA512

117081b66b4b02d279fd27b0af57a751fa525658dc06f9d6ffd54d2b58d030092ea260f54d783be1bb010a25b5b6c241287a1783c0e9ef2e90f0168525ab63be
SSDEEP

49152:VnjQqMSPbcBVQej/1INRx+TSqTdX1HkQo6SAARdhnvxJM0H9:Z8qPoBhz1aRxcSUDk36SAEdhvxWa9

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3328) 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
4988	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	2024-10-07_27d47924bd8d5cd88ddb29b31ad6a83d_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	2024-10-07_27d47924bd8d5cd88ddb29b31ad6a83d_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-10-07_27d47924bd8d5cd88ddb29b31ad6a83d_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-10-07_27d47924bd8d5cd88ddb29b31ad6a83d_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-07_27d47924bd8d5cd88ddb29b31ad6a83d_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:232
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:4988

C:\Users\Admin\AppData\Local\Temp\2024-10-07_27d47924bd8d5cd88ddb29b31ad6a83d_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-10-07_27d47924bd8d5cd88ddb29b31ad6a83d_wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
PID:1932

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=3908,i,8231329449558834090,4540802069600791165,262144 --variations-seed-version --mojo-platform-channel-handle=1048 /prefetch:8
1⤵
PID:2376

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
74957d13dc6df9e917053d67adcbffb4

SHA1
a312339e0b9023b610d609163d77a1ee352e516a

SHA256
aee5e74ba8157434499508a02aea7f5808abbf82bdfc59d67513a3e660cb54c5

SHA512
cb1e9c3fee75fdce98d9c584b50499cd42921445c101151e0f6ee61a51a7f36188626f94b637a7dd81beb0184e5c0d64f71ca7ffe083e6d66bd27a61a671bda3

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