wannacry | 1acd786d488a38de659a830f3a7a84c0bcb64b5604e5427e66fe3973317ca87f

Analysis

max time kernel
150s
max time network
150s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
04/05/2024, 04:44

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General

Target

1186caf32567bfaf1182f0a995c3e4bd_JaffaCakes118.exe
Size

3.6MB
MD5

1186caf32567bfaf1182f0a995c3e4bd
SHA1

ea7125a51e9f300a5a7f41a32648d6dad864528c
SHA256

1acd786d488a38de659a830f3a7a84c0bcb64b5604e5427e66fe3973317ca87f
SHA512

91a338b91af3dd4d5c336083fcfcb3538d7ae8d6372dfff8b56a07e5a748cc0f021be63f133ba17c793da64ab75d886a3f2d5df2472135eff2072b34aaff1456
SSDEEP

98304:Z8qPoBhz1aRxcSUDk36SAEdhvxWa9P593R8yAVp2:Z8qPe1Cxcxk3ZAEUadzR8yc4

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3246) 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
2552	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	1186caf32567bfaf1182f0a995c3e4bd_JaffaCakes118.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	1186caf32567bfaf1182f0a995c3e4bd_JaffaCakes118.exe

Modifies data under HKEY_USERS 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	1186caf32567bfaf1182f0a995c3e4bd_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\1186caf32567bfaf1182f0a995c3e4bd_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\1186caf32567bfaf1182f0a995c3e4bd_JaffaCakes118.exe"
1⤵
- Drops file in Windows directory
PID:2112
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:2552

C:\Users\Admin\AppData\Local\Temp\1186caf32567bfaf1182f0a995c3e4bd_JaffaCakes118.exe
C:\Users\Admin\AppData\Local\Temp\1186caf32567bfaf1182f0a995c3e4bd_JaffaCakes118.exe -m security
1⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
PID:1200

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Network Service Discovery

T1046

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Windows\tasksche.exe

Filesize
3.4MB

MD5
5e95052f73e0eda20e7a74fd0040cbf0

SHA1
6a7eb1e1d9db7a84f30c92b43b9c704c8d05b5d5

SHA256
bc9f3cd2345eea35d7d9bcc170919259366aeb7971b97d9decf77b039c25f149

SHA512
69a640c8ef4c5c2e8078a3791a3eb89a811c64df1231878fc79aa743b4fee1fab8acd4fe7d8761fede71018a2b309d3d0d99bac8b7f46217c10c14053bf8e21b

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