053e7603d2776f39c17d74cd5a095d2fa4727ce019cb91274c135be4b9732358

Resubmissions

07/09/2022, 19:58

220907-ypwc3achd3 7

03/08/2021, 09:41

210803-sp73xlckl2 10

Analysis

max time kernel
86s
max time network
121s
platform
windows10_x64
resource
win10v20210408
submitted
03/08/2021, 09:41

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General

Target

Document.exe
Size

14.1MB
MD5

5210735409235c1aaf674fefddd33e35
SHA1

7c75657618cdeb21eedd587d960a608c4ead60f1
SHA256

053e7603d2776f39c17d74cd5a095d2fa4727ce019cb91274c135be4b9732358
SHA512

e382f86366f1a5dc7f665dd19e48410e69614cced4b5cb2deabec58e4b948906d34df42195010ea3a58e5c63579f042b0b6eb8e2f70c99d9b013d776f098985d

Score

10^/10

ransomware spyware stealer

Malware Config

Extracted

Path

C:\Users\Admin\AppData\Local\Temp\RANSOM_NOTE.txt

Ransom Note

The harddisks of your computer have been encrypted with an Military grade encryption algorithm. There is no way to restore your data without a special key. Only we can decrypt your files! To purchase your key and restore your data, please follow these three easy steps: 1. Email the file called EMAIL_ME.txt at C:\Users\Admin/Desktop/EMAIL_ME.txt to [email protected] 2. You will recieve your personal BTC address for payment. Once payment has been completed, send another email to [email protected] stating "PAID". We will check to see if payment has been paid. 3. You will receive a text file with your KEY that will unlock all your files. IMPORTANT: To decrypt your files, place text file on desktop and wait. Shortly after it will begin to decrypt all files. WARNING: Do NOT attempt to decrypt your files with any software as it is obselete and will not work, and may cost you more to unlcok your files. Do NOT change file names, mess with the files, or run deccryption software as it will cost you more to unlock your files- -and there is a high chance you will lose your files forever. Do NOT send "PAID" button without paying, price WILL go up for disobedience. Do NOT think that we wont delete your files altogether and throw away the key if you refuse to pay. WE WILL.

Emails

[email protected]

Signatures

Loads dropped DLL 43 IoCs

pid	Process
4068	Document.exe
4068	Document.exe
4068	Document.exe
4068	Document.exe
4068	Document.exe
4068	Document.exe
4068	Document.exe
4068	Document.exe
4068	Document.exe
4068	Document.exe
4068	Document.exe
4068	Document.exe
4068	Document.exe
4068	Document.exe
4068	Document.exe
4068	Document.exe
4068	Document.exe
4068	Document.exe
4068	Document.exe
4068	Document.exe
4068	Document.exe
4068	Document.exe
4068	Document.exe
4068	Document.exe
4068	Document.exe
4068	Document.exe
4068	Document.exe
4068	Document.exe
4068	Document.exe
4068	Document.exe
4068	Document.exe
4068	Document.exe
4068	Document.exe
4068	Document.exe
4068	Document.exe
4068	Document.exe
4068	Document.exe
4068	Document.exe
4068	Document.exe
4068	Document.exe
4068	Document.exe
4068	Document.exe
4068	Document.exe

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081

Drops desktop.ini file(s) 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\Documents\desktop.ini	Document.exe
File created	C:\Users\Admin\Documents\Desktop.ini	Document.exe

Looks up external IP address via web service 2 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
7	api.ipify.org
8	api.ipify.org

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 636 wrote to memory of 4068	636	Document.exe	75
PID 636 wrote to memory of 4068	636	Document.exe	75
PID 4068 wrote to memory of 1868	4068	Document.exe	81
PID 4068 wrote to memory of 1868	4068	Document.exe	81
PID 4068 wrote to memory of 416	4068	Document.exe	82
PID 4068 wrote to memory of 416	4068	Document.exe	82
PID 4068 wrote to memory of 4036	4068	Document.exe	83
PID 4068 wrote to memory of 4036	4068	Document.exe	83
PID 4068 wrote to memory of 204	4068	Document.exe	84
PID 4068 wrote to memory of 204	4068	Document.exe	84
PID 4068 wrote to memory of 212	4068	Document.exe	85
PID 4068 wrote to memory of 212	4068	Document.exe	85
PID 4068 wrote to memory of 3992	4068	Document.exe	86
PID 4068 wrote to memory of 3992	4068	Document.exe	86

C:\Users\Admin\AppData\Local\Temp\Document.exe
"C:\Users\Admin\AppData\Local\Temp\Document.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:636
- C:\Users\Admin\AppData\Local\Temp\Document.exe
  "C:\Users\Admin\AppData\Local\Temp\Document.exe"
  2⤵
  - Loads dropped DLL
  - Drops desktop.ini file(s)
  - Suspicious use of WriteProcessMemory
  PID:4068
- - C:\Windows\SYSTEM32\notepad.exe
    notepad.exe RANSOM_NOTE.txt
    3⤵
    PID:1868
- - C:\Windows\SYSTEM32\notepad.exe
    notepad.exe RANSOM_NOTE.txt
    3⤵
    PID:416
- - C:\Windows\SYSTEM32\notepad.exe
    notepad.exe RANSOM_NOTE.txt
    3⤵
    PID:4036
- - C:\Windows\SYSTEM32\notepad.exe
    notepad.exe RANSOM_NOTE.txt
    3⤵
    PID:204
- - C:\Windows\SYSTEM32\notepad.exe
    notepad.exe RANSOM_NOTE.txt
    3⤵
    PID:212
- - C:\Windows\SYSTEM32\notepad.exe
    notepad.exe RANSOM_NOTE.txt
    3⤵
    PID:3992

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

T1081

Discovery

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Resubmissions

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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