50ba244f113f398afc39ed760e2c3822fdc82147259e9846df5abab89cf8307f

Analysis

max time kernel
121s
max time network
130s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
21-11-2024 05:00

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General

Target

50ba244f113f398afc39ed760e2c3822fdc82147259e9846df5abab89cf8307f.js
Size

52KB
MD5

b9f2fc5e874114e45330cad7b524476c
SHA1

f158badcc637d7d92efb7ef63a6f8783a886ac6b
SHA256

50ba244f113f398afc39ed760e2c3822fdc82147259e9846df5abab89cf8307f
SHA512

dbbd63c7bd8b4a6723fd170e74e4c6532a6a89cca37c4580566585bb645711e7da05bfa37eb5ff7aac1683943b833bc4210a04959789e3e284d5d9dcf6e556a8
SSDEEP

768:EGWR269T41RPhQ3uvuGNhUP9KU2c0WuPIFXRomYO:Jh6d4wcTMgyBomYO

Score

10^/10

defense_evasion execution persistence ransomware

Malware Config

Extracted

Path

C:\Users\Admin\AppData\Local\Temp\a.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 0.49255 BTC (bitcoins). Please follow this manual: 1. Create Bitcoin wallet here: https://blockchain.info/wallet/new 2. Buy 0.49255 BTC with cash, using search here: https://localbitcoins.com/buy_bitcoins 3. Send 0.49255 BTC to this Bitcoin address: 1GgLeHpXUqeapoK3wvev1HyrCPEjvYKfyG 4. Open one of the following links in your browser to download decryptor: http://ohchinhing.com.sg/counter/?a=1GgLeHpXUqeapoK3wvev1HyrCPEjvYKfyG http://bloki.internetdsl.pl/counter/?a=1GgLeHpXUqeapoK3wvev1HyrCPEjvYKfyG http://crobal-water.com/counter/?a=1GgLeHpXUqeapoK3wvev1HyrCPEjvYKfyG http://stroydek.ru/counter/?a=1GgLeHpXUqeapoK3wvev1HyrCPEjvYKfyG http://www.cuihuangge.com/counter/?a=1GgLeHpXUqeapoK3wvev1HyrCPEjvYKfyG 5. Run decryptor to restore your files. PLEASE REMEMBER: - If you do not pay in 3 days YOU LOOSE ALL YOUR FILES. - Nobody can help you except us. - It`s useless to reinstall Windows, update antivirus software, etc. - Your files can be decrypted only after you make payment. - You can find this manual on your desktop (DECRYPT.txt).

Wallets

1GgLeHpXUqeapoK3wvev1HyrCPEjvYKfyG

URLs

http://ohchinhing.com.sg/counter/?a=1GgLeHpXUqeapoK3wvev1HyrCPEjvYKfyG

http://bloki.internetdsl.pl/counter/?a=1GgLeHpXUqeapoK3wvev1HyrCPEjvYKfyG

http://crobal-water.com/counter/?a=1GgLeHpXUqeapoK3wvev1HyrCPEjvYKfyG

http://stroydek.ru/counter/?a=1GgLeHpXUqeapoK3wvev1HyrCPEjvYKfyG

http://www.cuihuangge.com/counter/?a=1GgLeHpXUqeapoK3wvev1HyrCPEjvYKfyG

Signatures

Blocklisted process makes network request 7 IoCs

flow	pid	Process
5	2096	wscript.exe
6	2096	wscript.exe
8	2096	wscript.exe
10	2096	wscript.exe
12	2096	wscript.exe
14	2096	wscript.exe
18	2096	wscript.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Windows\CurrentVersion\Run\Crypted = "C:\\Users\\Admin\\AppData\\Local\\Temp\\a.txt"	reg.exe

Indicator Removal: File Deletion 1 TTPs
Adversaries may delete files left behind by the actions of their intrusion activity.
defense_evasion

File Deletion
T1070.004
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

Modifies registry class 7 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.crypted\ = "Crypted"	reg.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Crypted\shell\open\command	reg.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Crypted	reg.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Crypted\shell	reg.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Crypted\shell\open	reg.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Crypted\shell\open\command\ = "notepad.exe \"C:\\Users\\Admin\\AppData\\Local\\Temp\\a.txt\""	reg.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.crypted	reg.exe

Opens file in notepad (likely ransom note) 1 IoCs

ransomware

pid	Process
2708	notepad.exe

Suspicious use of WriteProcessMemory 42 IoCs

description	pid	Process	procid_target
PID 2096 wrote to memory of 1820	2096	wscript.exe	32
PID 2096 wrote to memory of 1820	2096	wscript.exe	32
PID 2096 wrote to memory of 1820	2096	wscript.exe	32
PID 2096 wrote to memory of 904	2096	wscript.exe	33
PID 2096 wrote to memory of 904	2096	wscript.exe	33
PID 2096 wrote to memory of 904	2096	wscript.exe	33
PID 2096 wrote to memory of 1740	2096	wscript.exe	35
PID 2096 wrote to memory of 1740	2096	wscript.exe	35
PID 2096 wrote to memory of 1740	2096	wscript.exe	35
PID 2096 wrote to memory of 324	2096	wscript.exe	37
PID 2096 wrote to memory of 324	2096	wscript.exe	37
PID 2096 wrote to memory of 324	2096	wscript.exe	37
PID 2096 wrote to memory of 1924	2096	wscript.exe	40
PID 2096 wrote to memory of 1924	2096	wscript.exe	40
PID 2096 wrote to memory of 1924	2096	wscript.exe	40
PID 2096 wrote to memory of 584	2096	wscript.exe	42
PID 2096 wrote to memory of 584	2096	wscript.exe	42
PID 2096 wrote to memory of 584	2096	wscript.exe	42
PID 904 wrote to memory of 1188	904	cmd.exe	44
PID 904 wrote to memory of 1188	904	cmd.exe	44
PID 904 wrote to memory of 1188	904	cmd.exe	44
PID 1820 wrote to memory of 2888	1820	cmd.exe	45
PID 1820 wrote to memory of 2888	1820	cmd.exe	45
PID 1820 wrote to memory of 2888	1820	cmd.exe	45
PID 1740 wrote to memory of 1704	1740	cmd.exe	46
PID 1740 wrote to memory of 1704	1740	cmd.exe	46
PID 1740 wrote to memory of 1704	1740	cmd.exe	46
PID 2096 wrote to memory of 1908	2096	wscript.exe	48
PID 2096 wrote to memory of 1908	2096	wscript.exe	48
PID 2096 wrote to memory of 1908	2096	wscript.exe	48
PID 2096 wrote to memory of 1756	2096	wscript.exe	50
PID 2096 wrote to memory of 1756	2096	wscript.exe	50
PID 2096 wrote to memory of 1756	2096	wscript.exe	50
PID 2096 wrote to memory of 2260	2096	wscript.exe	52
PID 2096 wrote to memory of 2260	2096	wscript.exe	52
PID 2096 wrote to memory of 2260	2096	wscript.exe	52
PID 2096 wrote to memory of 1952	2096	wscript.exe	55
PID 2096 wrote to memory of 1952	2096	wscript.exe	55
PID 2096 wrote to memory of 1952	2096	wscript.exe	55
PID 1908 wrote to memory of 2708	1908	cmd.exe	54
PID 1908 wrote to memory of 2708	1908	cmd.exe	54
PID 1908 wrote to memory of 2708	1908	cmd.exe	54

C:\Windows\system32\wscript.exe
wscript.exe C:\Users\Admin\AppData\Local\Temp\50ba244f113f398afc39ed760e2c3822fdc82147259e9846df5abab89cf8307f.js
1⤵
- Blocklisted process makes network request
- Suspicious use of WriteProcessMemory
PID:2096
- C:\Windows\system32\cmd.exe
  "C:\Windows\system32\cmd.exe" /c REG ADD "HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run" /V "Crypted" /t REG_SZ /F /D "C:\Users\Admin\AppData\Local\Temp\a.txt"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1820
- - C:\Windows\system32\reg.exe
    REG ADD "HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run" /V "Crypted" /t REG_SZ /F /D "C:\Users\Admin\AppData\Local\Temp\a.txt"
    3⤵
    - Adds Run key to start application
    PID:2888
- C:\Windows\system32\cmd.exe
  "C:\Windows\system32\cmd.exe" /c REG ADD "HKCR\.crypted" /ve /t REG_SZ /F /D "Crypted"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:904
- - C:\Windows\system32\reg.exe
    REG ADD "HKCR\.crypted" /ve /t REG_SZ /F /D "Crypted"
    3⤵
    - Modifies registry class
    PID:1188
- C:\Windows\system32\cmd.exe
  "C:\Windows\system32\cmd.exe" /c REG ADD "HKCR\Crypted\shell\open\command" /ve /t REG_SZ /F /D "notepad.exe \"C:\Users\Admin\AppData\Local\Temp\a.txt\""
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1740
- - C:\Windows\system32\reg.exe
    REG ADD "HKCR\Crypted\shell\open\command" /ve /t REG_SZ /F /D "notepad.exe \"C:\Users\Admin\AppData\Local\Temp\a.txt\""
    3⤵
    - Modifies registry class
    PID:1704
- C:\Windows\system32\cmd.exe
  "C:\Windows\system32\cmd.exe" /c copy /y "C:\Users\Admin\AppData\Local\Temp\a.txt" "C:\Users\Admin\AppData\Roaming\Desktop\DECRYPT.txt"
  2⤵
  PID:324
- C:\Windows\system32\cmd.exe
  "C:\Windows\system32\cmd.exe" /c copy /y "C:\Users\Admin\AppData\Local\Temp\a.txt" "C:\Users\Admin\Desktop\DECRYPT.txt"
  2⤵
  PID:1924
- C:\Windows\system32\cmd.exe
  "C:\Windows\system32\cmd.exe" /c C:\Users\Admin\AppData\Local\Temp\a.exe "C:\Users\Admin\AppData\Local\Temp\a.php"
  2⤵
  PID:584
- C:\Windows\system32\cmd.exe
  "C:\Windows\system32\cmd.exe" /c notepad.exe "C:\Users\Admin\AppData\Local\Temp\a.txt"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1908
- - C:\Windows\system32\notepad.exe
    notepad.exe "C:\Users\Admin\AppData\Local\Temp\a.txt"
    3⤵
    - Opens file in notepad (likely ransom note)
    PID:2708
- C:\Windows\system32\cmd.exe
  "C:\Windows\system32\cmd.exe" /c DEL "C:\Users\Admin\AppData\Local\Temp\a.php"
  2⤵
  PID:1756
- C:\Windows\system32\cmd.exe
  "C:\Windows\system32\cmd.exe" /c DEL "C:\Users\Admin\AppData\Local\Temp\a.exe"
  2⤵
  PID:2260
- C:\Windows\system32\cmd.exe
  "C:\Windows\system32\cmd.exe" /c DEL "C:\Users\Admin\AppData\Local\Temp\php4ts.dll"
  2⤵
  PID:1952

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

JavaScript

T1059.007

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Indicator Removal

T1070

File Deletion

T1070.004

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\S8GI6B9B\BL3600TF.htm

Filesize
1KB

MD5
6fbd7c29cf69162a0c5213664c2f19c4

SHA1
ea8ecaf79bcc408ff176f72e1bded69cda494099

SHA256
5bb365f51aa447fc3a3bf92a92c7db8b1d3c655daa138eb466401bfacfa4bf7e

SHA512
ee26b9d9265b5cd83598ecc513934397bb10703d224c780a019fa95caeb8835a49a9b7cbc5b26052fda9a181cf734add1643998624dcd566ab8de95a301515ca

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C:\Users\Admin\AppData\Local\Temp\a.php

Filesize
35KB

MD5
4a980d966affaa603078f39f4eb8efa7

SHA1
40503a88d86e7a5e94f3c9321022bdf9d84c0d99

SHA256
7195fc82c2e220dc9939a96e9ae45a5299b784064e20c5296d97793524f503dd

SHA512
eafb5aba7c91520f7f22547a7ff105ae7c91de695eeb1d884c5f638206a9a57a113920c5dc66e17f6e56c1358d9b5ad576b5d92b46d442df263daca4fa9a56cc

Download Submit
C:\Users\Admin\AppData\Local\Temp\a.txt

Filesize
1KB

MD5
f1d60b27e3d798e12efa60ec659a15b7

SHA1
ff39d09936b77c8af8bef06ea3bf814eb36a8374

SHA256
1a56f50c5bafe87b4ea6e3eec49f55984ca67359d4d83a71892e20e729f9ec77

SHA512
e65b0f1a330ee467bcbac72b8b81d4992961f0cb6891b20ae40f669eb1e19f83e33be00e96f084ee8e9b9effc5844131c3ed412cf9ea0369508361b061056811

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads