MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 63c696185eacdb5998d82e02e8cc0afd09db991ece9f72f5e99007e2aa36f4c3. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.

Database Entry



Stop


Vendor detections: 13


Intelligence 13 IOCs YARA 3 File information Comments

SHA256 hash: 63c696185eacdb5998d82e02e8cc0afd09db991ece9f72f5e99007e2aa36f4c3
SHA3-384 hash: 6b7480077649ff88cc78f3beb2695c0f255669e9a05588b626ff3d225f5d61a4ede174727c6286656b073f52a327b6f3
SHA1 hash: 04b8e4153a3f629ad04eeb1327cd579faa684d3d
MD5 hash: 836d680e3da7daac544bfb8d3d5f1cc1
humanhash: hawaii-salami-march-earth
File name:836d680e3da7daac544bfb8d3d5f1cc1.exe
Download: download sample
Signature Stop
File size:739'840 bytes
First seen:2021-08-05 15:45:59 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 2a9c1ca66125aeff7a1c36242be63d54 (10 x RaccoonStealer, 1 x ServHelper, 1 x Loki)
ssdeep 12288:Z+xbCA0/na8ZKtuUwlzRGXgRrVQ3U2C0Xbn9UpzzfksdaiDN5dy:Z+sAiBKbwRRGwRZYU2Vrn9UVkyN/y
Threatray 423 similar samples on MalwareBazaar
TLSH T103F412063E41C177E6224AB4DD19C2F4ABB27C7919785D4B3F94E39C9F32292EE19342
dhash icon 1272d292105c5c03 (31 x RaccoonStealer, 6 x Smoke Loader, 4 x Loki)
Reporter abuse_ch
Tags:exe Ransomware Stop

Intelligence


File Origin
# of uploads :
1
# of downloads :
247
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
836d680e3da7daac544bfb8d3d5f1cc1.exe
Verdict:
Suspicious activity
Analysis date:
2021-08-05 15:49:15 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
DNS request
Connection attempt
Sending a custom TCP request
Creating a file
Launching a process
Creating a process with a hidden window
Adding an access-denied ACE
Deleting a recently created file
Connection attempt to an infection source
Sending an HTTP GET request
Sending an HTTP GET request to an infection source
Sending a UDP request
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Query of malicious DNS domain
Enabling autorun by creating a file
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Malware family:
STOP Ransomware
Verdict:
Malicious
Result
Threat name:
Clipboard Hijacker Djvu Vidar
Detection:
malicious
Classification:
rans.troj.spyw.evad
Score:
100 / 100
Signature
Antivirus detection for URL or domain
Contains functionality to inject code into remote processes
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Found ransom note / readme
Injects a PE file into a foreign processes
Machine Learning detection for sample
Modifies existing user documents (likely ransomware behavior)
Multi AV Scanner detection for submitted file
Sample uses process hollowing technique
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Crypto Currency Wallets
Uses schtasks.exe or at.exe to add and modify task schedules
Writes many files with high entropy
Yara detected Clipboard Hijacker
Yara detected Djvu Ransomware
Yara detected Vidar
Yara detected Vidar stealer
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 459913 Sample: B5BJXjsNbW.exe Startdate: 05/08/2021 Architecture: WINDOWS Score: 100 58 api.2ip.ua 2->58 72 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->72 74 Antivirus detection for URL or domain 2->74 76 Multi AV Scanner detection for submitted file 2->76 78 7 other signatures 2->78 10 B5BJXjsNbW.exe 2->10         started        13 B5BJXjsNbW.exe 2->13         started        15 B5BJXjsNbW.exe 2->15         started        signatures3 process4 signatures5 88 Detected unpacking (changes PE section rights) 10->88 90 Detected unpacking (overwrites its own PE header) 10->90 92 Contains functionality to inject code into remote processes 10->92 94 Writes many files with high entropy 10->94 17 B5BJXjsNbW.exe 1 18 10->17         started        96 Sample uses process hollowing technique 13->96 98 Injects a PE file into a foreign processes 13->98 21 B5BJXjsNbW.exe 13 13->21         started        process6 dnsIp7 56 api.2ip.ua 77.123.139.190, 443, 49707, 49709 VOLIA-ASUA Ukraine 17->56 38 C:\Users\...\B5BJXjsNbW.exe:Zone.Identifier, ASCII 17->38 dropped 23 B5BJXjsNbW.exe 17->23         started        26 icacls.exe 17->26         started        file8 process9 signatures10 86 Injects a PE file into a foreign processes 23->86 28 B5BJXjsNbW.exe 1 25 23->28         started        33 build2.exe 23->33         started        process11 dnsIp12 60 securebiz.org 62.201.235.58, 49715, 80 IQNETWORKSIQ Iraq 28->60 62 astdg.top 190.218.32.60, 49712, 49720, 80 CableOndaPA Panama 28->62 64 api.2ip.ua 28->64 40 {AFBF9F1A-8EE8-4C7...0007.db.nooa (copy), DOS 28->40 dropped 42 C:\Users\user\AppData\Local\...\build3.exe, PE32 28->42 dropped 44 C:\Users\user\AppData\Local\...\build2.exe, PE32 28->44 dropped 52 246 other files (232 malicious) 28->52 dropped 100 Modifies existing user documents (likely ransomware behavior) 28->100 35 build2.exe 28->35         started        66 23.88.49.119, 49727, 80 ENZUINC-US United States 33->66 68 prophefliloc.tumblr.com 74.114.154.18, 443, 49725 AUTOMATTICUS Canada 33->68 70 192.168.2.1 unknown unknown 33->70 46 C:\Users\user\AppData\Local\...\nss3[1].dll, PE32 33->46 dropped 48 C:\Users\user\AppData\...\softokn3[1].dll, PE32 33->48 dropped 50 C:\Users\user\AppData\...\freebl3[1].dll, PE32 33->50 dropped 54 9 other files (none is malicious) 33->54 dropped 102 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 33->102 104 Tries to harvest and steal browser information (history, passwords, etc) 33->104 106 Tries to steal Crypto Currency Wallets 33->106 file13 signatures14 process15 signatures16 80 Detected unpacking (changes PE section rights) 35->80 82 Detected unpacking (overwrites its own PE header) 35->82 84 Injects a PE file into a foreign processes 35->84
Threat name:
Win32.Ransomware.StopCrypt
Status:
Malicious
First seen:
2021-08-05 00:03:22 UTC
AV detection:
24 of 28 (85.71%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:vidar botnet:517 discovery persistence spyware stealer suricata
Behaviour
Checks processor information in registry
Creates scheduled task(s)
Delays execution with timeout.exe
Kills process with taskkill
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Accesses 2FA software files, possible credential harvesting
Accesses cryptocurrency files/wallets, possible credential harvesting
Adds Run key to start application
Checks installed software on the system
Looks up external IP address via web service
Loads dropped DLL
Modifies file permissions
Reads user/profile data of web browsers
Downloads MZ/PE file
Executes dropped EXE
Vidar Stealer
Vidar
suricata: ET MALWARE Potential Dridex.Maldoc Minimal Executable Request
suricata: ET MALWARE Suspicious Zipped Filename in Outbound POST Request (Passwords.txt)
suricata: ET MALWARE Vidar/Arkei Stealer Client Data Upload
suricata: ET MALWARE Vidar/Arkei/Megumin/Oski Stealer Data Exfil
Malware Config
C2 Extraction:
https://prophefliloc.tumblr.com/
Unpacked files
SH256 hash:
63c696185eacdb5998d82e02e8cc0afd09db991ece9f72f5e99007e2aa36f4c3
MD5 hash:
836d680e3da7daac544bfb8d3d5f1cc1
SHA1 hash:
04b8e4153a3f629ad04eeb1327cd579faa684d3d
Please note that we are no longer able to provide a coverage score for Virus Total.

YARA Signatures


MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:MALWARE_Win_STOP
Author:ditekSHen
Description:Detects STOP ransomware
Rule name:SUSP_XORed_URL_in_EXE
Author:Florian Roth
Description:Detects an XORed URL in an executable
Reference:https://twitter.com/stvemillertime/status/1237035794973560834
Rule name:win_stop_auto
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.stop.

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Web download

Stop

Executable exe 63c696185eacdb5998d82e02e8cc0afd09db991ece9f72f5e99007e2aa36f4c3

(this sample)

  
Delivery method
Distributed via web download

Comments