wannacry | cdc53ffe8d2696efa66b6fa3e18a92e2b67078fcd1572e0b752b353f558148d3

Resubmissions

24-01-2025 13:04

250124-qbd8mazkdv 10

22-01-2025 02:48

250122-danpfstrdz 10

Analysis

max time kernel
150s
max time network
150s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
24-01-2025 13:04

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General

Target

cdc53ffe8d2696efa66b6fa3e18a92e2b67078fcd1572e0b752b353f558148d3N.exe
Size

3.6MB
MD5

b41d52edd1a2ff0d9020990c442a46d0
SHA1

4a443bd3cbe60087d76ee58f95dfe11119a06074
SHA256

cdc53ffe8d2696efa66b6fa3e18a92e2b67078fcd1572e0b752b353f558148d3
SHA512

24774545dbcc33e0125b4ac421cd2338060f6f47fcb042e4bbc445646b13da9fcc10aa3456e12fe35812588446d8d044ba5ece708faa5e1d861d7ac775f9f29a
SSDEEP

98304:p8qPoBhz1aRxcSUDk36SAEdhvxWa9P593R8yAVp2Hs:p8qPe1Cxcxk3ZAEUadzR8yc4Hs

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 (3272) 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
2708	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 System32 directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\Temporary Internet Files\counters.dat	cdc53ffe8d2696efa66b6fa3e18a92e2b67078fcd1572e0b752b353f558148d3N.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	cdc53ffe8d2696efa66b6fa3e18a92e2b67078fcd1572e0b752b353f558148d3N.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	cdc53ffe8d2696efa66b6fa3e18a92e2b67078fcd1572e0b752b353f558148d3N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cdc53ffe8d2696efa66b6fa3e18a92e2b67078fcd1572e0b752b353f558148d3N.exe

Modifies data under HKEY_USERS 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	cdc53ffe8d2696efa66b6fa3e18a92e2b67078fcd1572e0b752b353f558148d3N.exe

C:\Users\Admin\AppData\Local\Temp\cdc53ffe8d2696efa66b6fa3e18a92e2b67078fcd1572e0b752b353f558148d3N.exe
"C:\Users\Admin\AppData\Local\Temp\cdc53ffe8d2696efa66b6fa3e18a92e2b67078fcd1572e0b752b353f558148d3N.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:1448
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:2708

C:\Users\Admin\AppData\Local\Temp\cdc53ffe8d2696efa66b6fa3e18a92e2b67078fcd1572e0b752b353f558148d3N.exe
C:\Users\Admin\AppData\Local\Temp\cdc53ffe8d2696efa66b6fa3e18a92e2b67078fcd1572e0b752b353f558148d3N.exe -m security
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:2712

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
7f7ccaa16fb15eb1c7399d422f8363e8

SHA1
bd44d0ab543bf814d93b719c24e90d8dd7111234

SHA256
2584e1521065e45ec3c17767c065429038fc6291c091097ea8b22c8a502c41dd

SHA512
83e334b80de08903cfa9891a3fa349c1ece7e19f8e62b74a017512fa9a7989a0fd31929bf1fc13847bee04f2da3dacf6bc3f5ee58f0e4b9d495f4b9af12ed2b7

Download Submit
memory/1448-0-0x0000000000400000-0x0000000000A71000-memory.dmp

Filesize
6.4MB

Download
memory/1448-5-0x0000000000400000-0x0000000000A71000-memory.dmp

Filesize
6.4MB

Download
memory/2712-6-0x0000000000400000-0x0000000000A71000-memory.dmp

Filesize
6.4MB

Download