17b4d01d32c64a62e36496829da323fe308437048ca87143de7365fabd4194fd

Analysis

max time kernel
43s
max time network
121s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
22-11-2024 03:36

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General

Target

downloader.js
Size

8KB
MD5

2fabecc77b10b39ff03f221f39f50c6c
SHA1

e66ab4015c360a0f0866ea840dbeb2ef4953c86d
SHA256

f6e2c1b42ce68165fd2cd8580daf47d594c4960fc8fb5cdbf1ec210e3ffae87f
SHA512

9c8bcaee59eaa6d9738caf9a61214e098438e5ecc352e8faaa7972625c3bce3f00eece4bd7b43587b09a5ef66c93778b42d0b39a7ef46aeca5d3f7da2a43384a
SSDEEP

192:E4/wMMuUYDKe5enZr2CU0eC+To2fOO0spxetRut64pB6BS:bMufcnZr2CU0etTaO7GtRut6UMQ

Score

10^/10

execution ransomware spyware stealer

Malware Config

Extracted

Path

C:\Users\Admin\AppData\Local\Temp\360390_readme.txt

Ransom Note

ATTENTION: All your documents, photos, databases and other important personal files were encrypted using strong RSA-1024 algorithm with a unique key. To restore your files you have to pay 0.5 BTC (bitcoins). To do this: 1. Create Bitcoin wallet here: https://blockchain.info/wallet/new 2. Buy 0.5 BTC with cash, using search here: https://localbitcoins.com/buy_bitcoins 3. Send 0.5 BTC to this Bitcoin address: oJHR97yvh97wrjvwlkrcnqrp79w9rvqnrvj 4. Send any e-mail to: [email protected] After that you will recieve e-mail with detailed instructions how to restore your files. Remember: nobody can help you except us. It is useless to reinstall Windows, rename files, etc. Your files will be decrypted as quick as you make payment.

Emails

[email protected]

Signatures

Blocklisted process makes network request 4 IoCs

flow	pid	Process
5	3044	wscript.exe
8	3044	wscript.exe
10	3044	wscript.exe
12	3044	wscript.exe

Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Credentials from Web Browsers
T1555.003
Command and Scripting Interpreter: JavaScript 1 TTPs
execution

JavaScript
T1059.007
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Opens file in notepad (likely ransom note) 1 IoCs

ransomware

pid	Process
2932	notepad.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3044 wrote to memory of 2612	3044	wscript.exe	31
PID 3044 wrote to memory of 2612	3044	wscript.exe	31
PID 3044 wrote to memory of 2612	3044	wscript.exe	31

C:\Windows\system32\wscript.exe
wscript.exe C:\Users\Admin\AppData\Local\Temp\downloader.js
1⤵
- Blocklisted process makes network request
- Suspicious use of WriteProcessMemory
PID:3044
- C:\Windows\system32\cmd.exe
  cmd /c ""C:\Users\Admin\AppData\Local\Temp\360390_tree.cmd" "
  2⤵
  PID:2612
- - C:\Windows\system32\notepad.exe
    notepad.exe C:\Users\Admin\AppData\Local\Temp\360390_readme.txt
    3⤵
    - Opens file in notepad (likely ransom note)
    PID:2932
- - C:\Windows\system32\reg.exe
    REG ADD "HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run" /V "WinHelp" /t REG_SZ /F /D "C:\Users\Admin\AppData\Local\Temp\360390_readme.txt"
    3⤵
    PID:2144

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

JavaScript

T1059.007

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\360390_readme.txt

Filesize
772B

MD5
f6a2bb17bf99a4dab08f75504bf270b3

SHA1
d42b9acaa08e19e1708e0e00a7961b8dd3219102

SHA256
34d5153eb38ee664fc03fcb7de7a75a76c1162fa83110d34e6b64c29424ed6ed

SHA512
037a713b6e8580adf6773992b29b75dcae8d0284dee228deddb41149d89aafefc9d8bf4374d8437d57f6a26afede42accb629988b5cd234430f53f5df2da0a96

Download Submit
C:\Users\Admin\AppData\Local\Temp\360390_tree.cmd

Filesize
15KB

MD5
d96f59d97099a6248989e828d766dd5b

SHA1
9322d296171970ce8a280a4c562f41b5f3689de0

SHA256
e534769d416412d6ea8e91faf108bd8f52838e854145eab052483c37b4add1e3

SHA512
562c52a4dab31d9fc8983823561d181ddd0d0999baf3cbe8841afd3919ae020df573f41bd58fe6ecd090d47a1a1d2bad6abd68955e329cd541974c12d4ceca8c

Download Submit