wannacry | cfaf859fbd665fc9b20f1b601212bdddf7761391c691b6365e509d7d4a3bc156

Analysis

max time kernel
150s
max time network
150s
platform
windows7_x64
resource
win7-20240508-en
resource tags

arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
submitted
10-05-2024 00:21

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General

Target

2c6ac0c063ff6da787feff4ed96b0dd0_JaffaCakes118.exe
Size

3.6MB
MD5

2c6ac0c063ff6da787feff4ed96b0dd0
SHA1

a413cea184d4fedcbea097280178767e3205a7f4
SHA256

cfaf859fbd665fc9b20f1b601212bdddf7761391c691b6365e509d7d4a3bc156
SHA512

bf60f39819102d65cab9cd34d7307fbd4f05b8c0a7a6384211e6cad678a98b95634afc9025254245f121d5eccfa14cd89010a211535088a2dbe7936dcef1b33c
SSDEEP

98304:PDqPoBhz1aRxcSUDk36SAEdhvxWa9P593R8yA:PDqPe1Cxcxk3ZAEUadzR8y

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3267) 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

Processes:

tasksche.exe

pid process

2808 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

pid	process
2808	tasksche.exe

Drops file in System32 directory 1 IoCs

Processes:

2c6ac0c063ff6da787feff4ed96b0dd0_JaffaCakes118.exe

description	ioc	process
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\Temporary Internet Files\counters.dat	2c6ac0c063ff6da787feff4ed96b0dd0_JaffaCakes118.exe

Drops file in Windows directory 1 IoCs

Processes:

2c6ac0c063ff6da787feff4ed96b0dd0_JaffaCakes118.exe

description ioc process

File created C:\WINDOWS\tasksche.exe 2c6ac0c063ff6da787feff4ed96b0dd0_JaffaCakes118.exe

description	ioc	process
File created	C:\WINDOWS\tasksche.exe	2c6ac0c063ff6da787feff4ed96b0dd0_JaffaCakes118.exe

Modifies data under HKEY_USERS 1 IoCs

Processes:

2c6ac0c063ff6da787feff4ed96b0dd0_JaffaCakes118.exe

description	ioc	process
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	2c6ac0c063ff6da787feff4ed96b0dd0_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\2c6ac0c063ff6da787feff4ed96b0dd0_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\2c6ac0c063ff6da787feff4ed96b0dd0_JaffaCakes118.exe"
1⤵
- Drops file in Windows directory
PID:2132

C:\WINDOWS\tasksche.exe
C:\WINDOWS\tasksche.exe /i
2⤵
- Executes dropped EXE
PID:2808

C:\Users\Admin\AppData\Local\Temp\2c6ac0c063ff6da787feff4ed96b0dd0_JaffaCakes118.exe
C:\Users\Admin\AppData\Local\Temp\2c6ac0c063ff6da787feff4ed96b0dd0_JaffaCakes118.exe -m security
1⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
PID:2348

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
1c847a32e246c2b3dd29cdddd241544b

SHA1
3f0ba6d3e9b916cbd3feb3032ef49b0668b18b4c

SHA256
9487c04b9287dc30a8bd74fcc4b3aaddc166b442a5229ecdba05350788b08446

SHA512
46f20665edb660414ad21f8bd0b2df2019b52af0248992e26ce048614ecce7d9996c0dc1bb21c4d02e841e0a3b770a2932f9d856a2dbb5eefa342c12b8739877

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