MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d36c662c5b89a27132d06871d9d7d1f397769a4642a6ae6fab860c4bcce0ee41. 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 7 File information Comments

SHA256 hash: d36c662c5b89a27132d06871d9d7d1f397769a4642a6ae6fab860c4bcce0ee41
SHA3-384 hash: ff4f9af0603b6404a94b4da9ba5f441d981fa285cf645a41f057592a283c6031a2852fb3cc5106e76e45d49f47e6dca9
SHA1 hash: a9edc8db89a4eefb4af6b0c8b700ae51a72212a0
MD5 hash: 936031c6342b86af5b3f10bf009daf7e
humanhash: white-sweet-blue-utah
File name:d36c662c5b89a27132d06871d9d7d1f397769a4642a6ae6fab860c4bcce0ee41
Download: download sample
Signature Stop
File size:810'496 bytes
First seen:2021-09-03 09:05:25 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 8bccdad7743fdd57e0a7b3bec87ab2cd (5 x RaccoonStealer, 2 x Stop, 1 x Amadey)
ssdeep 12288:LQFhXQw116BxcXakrM9beas5Hm7fGcAdFpkLwIeBPlzXoYs9oBNCLPk:kFhvhXvGssfGcsv3b3lNCLPk
Threatray 472 similar samples on MalwareBazaar
TLSH T195050120B690C035E4F311F459BA93B8B9387EB1A73450CB62C63AEE5A342F5AD31757
dhash icon 60e8e8e8aa66a499 (24 x RaccoonStealer, 14 x RedLineStealer, 7 x Smoke Loader)
Reporter JAMESWT_WT
Tags:exe Stop

Intelligence


File Origin
# of uploads :
1
# of downloads :
139
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
d36c662c5b89a27132d06871d9d7d1f397769a4642a6ae6fab860c4bcce0ee41
Verdict:
Suspicious activity
Analysis date:
2021-09-03 09:12:43 UTC
Tags:
installer

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
Sending a UDP request
Sending an HTTP GET request
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Query of malicious DNS domain
Enabling autorun by creating a file
Malware family:
STOP Ransomware
Verdict:
Malicious
Result
Threat name:
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)
Found many strings related to Crypto-Wallets (likely being stolen)
Found ransom note / readme
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
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
Yara detected Djvu Ransomware
Yara detected Vidar
Yara detected Vidar stealer
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 477181 Sample: UUiA9voypI Startdate: 03/09/2021 Architecture: WINDOWS Score: 100 89 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->89 91 Multi AV Scanner detection for domain / URL 2->91 93 Antivirus detection for URL or domain 2->93 95 8 other signatures 2->95 12 UUiA9voypI.exe 2->12         started        15 UUiA9voypI.exe 2->15         started        17 UUiA9voypI.exe 2->17         started        19 UUiA9voypI.exe 2->19         started        process3 signatures4 105 Detected unpacking (changes PE section rights) 12->105 107 Contains functionality to inject code into remote processes 12->107 109 Injects a PE file into a foreign processes 12->109 21 UUiA9voypI.exe 1 16 12->21         started        111 Multi AV Scanner detection for dropped file 15->111 113 Machine Learning detection for dropped file 15->113 25 UUiA9voypI.exe 12 15->25         started        27 UUiA9voypI.exe 12 17->27         started        29 UUiA9voypI.exe 19->29         started        process5 dnsIp6 81 api.2ip.ua 77.123.139.190, 443, 49701, 49705 VOLIA-ASUA Ukraine 21->81 63 C:\Users\user\AppData\...\UUiA9voypI.exe, PE32 21->63 dropped 65 C:\Users\...\UUiA9voypI.exe:Zone.Identifier, ASCII 21->65 dropped 31 UUiA9voypI.exe 21->31         started        34 icacls.exe 21->34         started        83 192.168.2.1 unknown unknown 29->83 file7 process8 signatures9 121 Injects a PE file into a foreign processes 31->121 36 UUiA9voypI.exe 1 20 31->36         started        process10 dnsIp11 75 securebiz.org 115.88.24.203, 49712, 80 LGDACOMLGDACOMCorporationKR Korea Republic of 36->75 77 astdg.top 36->77 79 api.2ip.ua 36->79 57 C:\Users\user\AppData\Local\...\build2.exe, PE32 36->57 dropped 59 C:\Users\user\AppData\Local\...\build2[1].exe, PE32 36->59 dropped 61 C:\_readme.txt, ASCII 36->61 dropped 97 Tries to harvest and steal browser information (history, passwords, etc) 36->97 41 build2.exe 36->41         started        file12 signatures13 process14 signatures15 99 Detected unpacking (changes PE section rights) 41->99 101 Machine Learning detection for dropped file 41->101 103 Injects a PE file into a foreign processes 41->103 44 build2.exe 41->44         started        process16 dnsIp17 85 49.12.198.69, 49714, 80 HETZNER-ASDE Germany 44->85 87 romkaxarit.tumblr.com 74.114.154.22, 443, 49713 AUTOMATTICUS Canada 44->87 67 C:\Users\user\AppData\...\softokn3[1].dll, PE32 44->67 dropped 69 C:\Users\user\AppData\...\mozglue[1].dll, PE32 44->69 dropped 71 C:\Users\user\AppData\...\freebl3[1].dll, PE32 44->71 dropped 73 9 other files (none is malicious) 44->73 dropped 115 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 44->115 117 Tries to harvest and steal browser information (history, passwords, etc) 44->117 119 Tries to steal Crypto Currency Wallets 44->119 49 cmd.exe 44->49         started        file18 signatures19 process20 process21 51 conhost.exe 49->51         started        53 taskkill.exe 49->53         started        55 timeout.exe 49->55         started       
Threat name:
Win32.Trojan.Racoon
Status:
Malicious
First seen:
2021-08-31 10:43:41 UTC
File Type:
PE (Exe)
Extracted files:
18
AV detection:
32 of 43 (74.42%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:djvu family:vidar botnet:517 discovery persistence ransomware spyware stealer suricata
Behaviour
Checks processor information in registry
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
Detected Djvu ransomeware
Djvu Ransomware
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://romkaxarit.tumblr.com/
Unpacked files
SH256 hash:
318b3878501bc3fe6abb68d943779716a558a30998aa252b6d7773f952947bc9
MD5 hash:
56384e2f613dd565bc783c215e7f20ba
SHA1 hash:
aa1bf8ad309f1721222dc1c8bf700f69040ea876
Detections:
win_stop_auto
SH256 hash:
d36c662c5b89a27132d06871d9d7d1f397769a4642a6ae6fab860c4bcce0ee41
MD5 hash:
936031c6342b86af5b3f10bf009daf7e
SHA1 hash:
a9edc8db89a4eefb4af6b0c8b700ae51a72212a0
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:INDICATOR_SUSPICIOUS_EXE_SQLQuery_ConfidentialDataStore
Author:ditekSHen
Description:Detects executables containing SQL queries to confidential data stores. Observed in infostealers
Rule name:INDICATOR_SUSPICIOUS_EXE_WindDefender_AntiEmaulation
Author:ditekSHen
Description:Detects executables containing potential Windows Defender anti-emulation checks
Rule name:MALWARE_Win_STOP
Author:ditekSHen
Description:Detects STOP ransomware
Rule name:MALWARE_Win_Vidar
Author:ditekSHen
Description:Detects Vidar / ArkeiStealer
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:Vidar
Author:kevoreilly
Description:Vidar Payload
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.

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