wannacry | fcb189cf76f7f22456d490f8724ad5558ca7db93378d2b6a4e3a183482440657

Analysis

max time kernel
120s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
22/01/2025, 00:29

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General

Target

fcb189cf76f7f22456d490f8724ad5558ca7db93378d2b6a4e3a183482440657.exe
Size

3.6MB
MD5

2b059f602ca74a631265800904c6bc7f
SHA1

53e70add0d508cc2b12065d33a5c6491efae7081
SHA256

fcb189cf76f7f22456d490f8724ad5558ca7db93378d2b6a4e3a183482440657
SHA512

2f8c20a92c15e20dcbb4ca3c322c2a79b2264d52fad5e3dd2951ad7e8ace3362e5264eb2a7ffe7935a5c75b2bdbed737b7749f6d7aa87d44290021f445b1c6e7
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 (2403) 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
2088	tasksche.exe

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	fcb189cf76f7f22456d490f8724ad5558ca7db93378d2b6a4e3a183482440657.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	fcb189cf76f7f22456d490f8724ad5558ca7db93378d2b6a4e3a183482440657.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	fcb189cf76f7f22456d490f8724ad5558ca7db93378d2b6a4e3a183482440657.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	fcb189cf76f7f22456d490f8724ad5558ca7db93378d2b6a4e3a183482440657.exe

Modifies data under HKEY_USERS 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	fcb189cf76f7f22456d490f8724ad5558ca7db93378d2b6a4e3a183482440657.exe

C:\Users\Admin\AppData\Local\Temp\fcb189cf76f7f22456d490f8724ad5558ca7db93378d2b6a4e3a183482440657.exe
"C:\Users\Admin\AppData\Local\Temp\fcb189cf76f7f22456d490f8724ad5558ca7db93378d2b6a4e3a183482440657.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:2900
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:2088

C:\Users\Admin\AppData\Local\Temp\fcb189cf76f7f22456d490f8724ad5558ca7db93378d2b6a4e3a183482440657.exe
C:\Users\Admin\AppData\Local\Temp\fcb189cf76f7f22456d490f8724ad5558ca7db93378d2b6a4e3a183482440657.exe -m security
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:316

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/316-2-0x0000000000400000-0x0000000000A71000-memory.dmp

Filesize
6.4MB

Download
memory/316-7-0x0000000000400000-0x0000000000A71000-memory.dmp

Filesize
6.4MB

Download
memory/2900-0-0x0000000000400000-0x0000000000A71000-memory.dmp

Filesize
6.4MB

Download
memory/2900-6-0x0000000000400000-0x0000000000A71000-memory.dmp

Filesize
6.4MB

Download