wannacry | 15fa116185591a9ac8b8a1e1bd78f99220107073e01e3868da9c8ab4ad963f9d

Analysis

max time kernel
152s
max time network
192s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
06-09-2022 21:33

Target

77340dc229f913780359e4fdd1a3eda0.exe
Size

3.6MB
MD5

77340dc229f913780359e4fdd1a3eda0
SHA1

65c034159bd67657200ca8f29cd701b48f440681
SHA256

15fa116185591a9ac8b8a1e1bd78f99220107073e01e3868da9c8ab4ad963f9d
SHA512

d27c21706d5b4fe43df4f387cb4d9f72afe3486fcb3110844e5d8ed50ba5339e9fd32834ad79cf84077dfff48cfee2ff224777a24eedc7f617f94107f7844599
SSDEEP

98304:b8qPoBhz1aRxcSUDk36SAEdhvxWa9P593R8yAVp2HI:b8qPe1Cxcxk3ZAEUadzR8yc4HI

Score

10^/10

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (1285) amount of remote hosts 1 TTPs
This may indicate a network scan to discover remotely running services.
discovery

Network Service Scanning
T1046
Executes dropped EXE 1 IoCs

Processes:

tasksche.exe

pid process

2004 tasksche.exe

pid	process
2004	tasksche.exe

Drops file in System32 directory 1 IoCs

Processes:

77340dc229f913780359e4fdd1a3eda0.exe

description	ioc	process
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\Temporary Internet Files\counters.dat	77340dc229f913780359e4fdd1a3eda0.exe

Drops file in Windows directory 1 IoCs

Processes:

77340dc229f913780359e4fdd1a3eda0.exe

description ioc process

File created C:\WINDOWS\tasksche.exe 77340dc229f913780359e4fdd1a3eda0.exe

description	ioc	process
File created	C:\WINDOWS\tasksche.exe	77340dc229f913780359e4fdd1a3eda0.exe

Modifies data under HKEY_USERS 1 IoCs

Processes:

77340dc229f913780359e4fdd1a3eda0.exe

description	ioc	process
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	77340dc229f913780359e4fdd1a3eda0.exe

C:\Users\Admin\AppData\Local\Temp\77340dc229f913780359e4fdd1a3eda0.exe
"C:\Users\Admin\AppData\Local\Temp\77340dc229f913780359e4fdd1a3eda0.exe"
1⤵
- Drops file in Windows directory
PID:1136

C:\WINDOWS\tasksche.exe
C:\WINDOWS\tasksche.exe /i
2⤵
- Executes dropped EXE
PID:2004

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Network Service Scanning

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

C:\Windows\tasksche.exe
Filesize
3.4MB

MD5
7f7ccaa16fb15eb1c7399d422f8363e8

SHA1
bd44d0ab543bf814d93b719c24e90d8dd7111234

SHA256
2584e1521065e45ec3c17767c065429038fc6291c091097ea8b22c8a502c41dd

SHA512
83e334b80de08903cfa9891a3fa349c1ece7e19f8e62b74a017512fa9a7989a0fd31929bf1fc13847bee04f2da3dacf6bc3f5ee58f0e4b9d495f4b9af12ed2b7

Download Submit
memory/1136-54-0x0000000075F51000-0x0000000075F53000-memory.dmp

Filesize
8KB

Download
memory/1136-56-0x0000000000400000-0x0000000000A70000-memory.dmp

Filesize
6.4MB

Download
memory/1136-59-0x0000000000400000-0x0000000000A70000-memory.dmp

Filesize
6.4MB

Download
memory/1408-57-0x0000000000400000-0x0000000000A70000-memory.dmp

Filesize
6.4MB

Download
memory/1408-60-0x0000000000400000-0x0000000000A70000-memory.dmp

Filesize
6.4MB

Download