wannacry | cc65535243dfd3cd54a9c5ecfcb93c7f918a87c725e9c52925017ab92effe278

Resubmissions

15-10-2024 03:47

241015-ecgjlashrh 10

05-08-2024 04:49

240805-ffygys1eke 10

05-08-2024 03:50

240805-eee4jszepd 10

Analysis

max time kernel
92s
max time network
100s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
05-08-2024 04:49

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General

Target

1d51d46e07d1aaaf34b8b43371bb71aa87812b226341944ab661c286e66de4cd.exe
Size

6.4MB
MD5

356388cdb4f74188812fa44c0aef000b
SHA1

59130f7b2e63422da6f620fa29cc6837903584cb
SHA256

1d51d46e07d1aaaf34b8b43371bb71aa87812b226341944ab661c286e66de4cd
SHA512

11ba99f6a151675408f76f4c02d10a80a60f74d6c4e0ef794043d36237b002cf8ab577421758f16fe678f1f190782aba7adbdf33c87693c379dd18e3176dae83
SSDEEP

98304:f/qPoBhz1aRxcSUDk36SAEdhvxWa9P593R8jHI:f/qPe1Cxcxk3ZAEUadzR8jHI

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry

Executes dropped EXE 1 IoCs

Processes:

tasksche.exe

pid	Process
1928	tasksche.exe

Drops file in Windows directory 1 IoCs

Processes:

1d51d46e07d1aaaf34b8b43371bb71aa87812b226341944ab661c286e66de4cd.exe

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	1d51d46e07d1aaaf34b8b43371bb71aa87812b226341944ab661c286e66de4cd.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

Processes:

1d51d46e07d1aaaf34b8b43371bb71aa87812b226341944ab661c286e66de4cd.exe1d51d46e07d1aaaf34b8b43371bb71aa87812b226341944ab661c286e66de4cd.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	1d51d46e07d1aaaf34b8b43371bb71aa87812b226341944ab661c286e66de4cd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	1d51d46e07d1aaaf34b8b43371bb71aa87812b226341944ab661c286e66de4cd.exe

Modifies data under HKEY_USERS 5 IoCs

Processes:

1d51d46e07d1aaaf34b8b43371bb71aa87812b226341944ab661c286e66de4cd.exe

description	ioc	Process
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	1d51d46e07d1aaaf34b8b43371bb71aa87812b226341944ab661c286e66de4cd.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	1d51d46e07d1aaaf34b8b43371bb71aa87812b226341944ab661c286e66de4cd.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	1d51d46e07d1aaaf34b8b43371bb71aa87812b226341944ab661c286e66de4cd.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	1d51d46e07d1aaaf34b8b43371bb71aa87812b226341944ab661c286e66de4cd.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	1d51d46e07d1aaaf34b8b43371bb71aa87812b226341944ab661c286e66de4cd.exe

C:\Users\Admin\AppData\Local\Temp\1d51d46e07d1aaaf34b8b43371bb71aa87812b226341944ab661c286e66de4cd.exe
"C:\Users\Admin\AppData\Local\Temp\1d51d46e07d1aaaf34b8b43371bb71aa87812b226341944ab661c286e66de4cd.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:1136
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:1928

C:\Users\Admin\AppData\Local\Temp\1d51d46e07d1aaaf34b8b43371bb71aa87812b226341944ab661c286e66de4cd.exe
C:\Users\Admin\AppData\Local\Temp\1d51d46e07d1aaaf34b8b43371bb71aa87812b226341944ab661c286e66de4cd.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:2376

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

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
39ced5bf95a55cc218456a0f0633166e

SHA1
3880b33df5c19b2dbfafaf6a4ba44e05b87e8039

SHA256
e4a2c14bd7734cdec4317541450babbf0f5767733343c76c4b1328b1798457a3

SHA512
267c8d180026d4148672a3c252f29dc2de81138708266443e531dfcf9a5a3498426acd185c3ae3da471a09d736aa8eaa74fd131703b64925c3d95ade6403ce53

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