MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 18af63c6046e4fbb41759fd2f1c46e678b67d7b8d0541169d21cb0e99f56d2d1. 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: 18


Intelligence 18 IOCs YARA 11 File information Comments

SHA256 hash: 18af63c6046e4fbb41759fd2f1c46e678b67d7b8d0541169d21cb0e99f56d2d1
SHA3-384 hash: 97e955609beae59f87cfc58ed01530b2234b72824cb7ecb8160e903c8e07287bd025f76dfe0aa94dbb665da07edf930f
SHA1 hash: de45e088c7a6dd07ab4a02ea3bc5d74414d26392
MD5 hash: 1caf0d7dfab4deb13577c339124c693f
humanhash: mirror-finch-magazine-high
File name:setup.exe
Download: download sample
Signature Stop
File size:711'680 bytes
First seen:2023-04-04 01:14:00 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 398825ff21d4e599ae28a4c28c8dbaf0 (3 x Stop, 2 x Rhadamanthys, 1 x Amadey)
ssdeep 12288:OLtJzaEF3UK4qh3xKK5rMCyqVNWqV6J+gtqs+BmAyLqWA/Q7HcGRTTTC6eNN6n61:OLtJOMT4WEK5ICHW9ntdEWXTO3NRNT
TLSH T1E0E41252BFA2CC76D15395701431D260AA3BB573EA6289CB3350077D0A727D28BFA376
TrID 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.9% (.EXE) Win64 Executable (generic) (10523/12/4)
9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.8% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 002ca4d86c24a080 (1 x Stop)
Reporter Chainskilabs
Tags:exe Stop

Intelligence


File Origin
# of uploads :
1
# of downloads :
259
Origin country :
US US
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
setup.exe
Verdict:
Malicious activity
Analysis date:
2023-04-04 01:17:15 UTC
Tags:
loader ransomware stop stealer vidar trojan

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
Sending an HTTP GET request
Creating a file
Launching a process
Creating a process with a hidden window
Adding an access-denied ACE
Сreating synchronization primitives
Deleting a recently created file
Query of malicious DNS domain
Sending a TCP request to an infection source
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Enabling autorun by creating a file
Sending an HTTP GET request to an infection source
Result
Malware family:
n/a
Score:
  9/10
Tags:
n/a
Behaviour
MalwareBazaar
MeasuringTime
SystemUptime
CPUID_Instruction
EvasionQueryPerformanceCounter
EvasionGetTickCount
CheckCmdLine
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
60%
Tags:
greyware packed
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
C2 URLs / IPs found in malware configuration
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
Malicious sample detected (through community Yara rule)
Modifies existing user documents (likely ransomware behavior)
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
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
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 a notice file (html or txt) to demand a ransom
Writes many files with high entropy
Yara detected Clipboard Hijacker
Yara detected Djvu Ransomware
Yara detected Vidar stealer
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 840541 Sample: setup.exe Startdate: 04/04/2023 Architecture: WINDOWS Score: 100 83 Snort IDS alert for network traffic 2->83 85 Multi AV Scanner detection for domain / URL 2->85 87 Malicious sample detected (through community Yara rule) 2->87 89 10 other signatures 2->89 12 setup.exe 2->12         started        15 mstsca.exe 2->15         started        17 setup.exe 2->17         started        process3 signatures4 103 Detected unpacking (changes PE section rights) 12->103 105 Detected unpacking (overwrites its own PE header) 12->105 107 Writes a notice file (html or txt) to demand a ransom 12->107 111 2 other signatures 12->111 19 setup.exe 1 16 12->19         started        109 Multi AV Scanner detection for dropped file 15->109 23 schtasks.exe 15->23         started        process5 dnsIp6 77 api.2ip.ua 162.0.217.254, 443, 49688, 49689 ACPCA Canada 19->77 65 C:\Users\user\...\setup.exe:Zone.Identifier, ASCII 19->65 dropped 67 C:\Users\user\AppData\Local\...\setup.exe, MS-DOS 19->67 dropped 25 setup.exe 19->25         started        28 icacls.exe 19->28         started        30 conhost.exe 23->30         started        file7 process8 signatures9 101 Injects a PE file into a foreign processes 25->101 32 setup.exe 1 25 25->32         started        process10 dnsIp11 71 zexeq.com 84.224.34.240, 49690, 49692, 80 PGSM-HUTorokbalintHungaryHU Hungary 32->71 73 uaery.top 187.245.185.123, 49691, 80 MegaCableSAdeCVMX Mexico 32->73 75 api.2ip.ua 32->75 57 C:\Users\user\AppData\Local\...\build3[1].exe, PE32 32->57 dropped 59 C:\Users\user\AppData\Local\...\build2[1].exe, PE32 32->59 dropped 61 C:\Users\user\AppData\Local\...\256.png, COM 32->61 dropped 63 116 other malicious files 32->63 dropped 91 Modifies existing user documents (likely ransomware behavior) 32->91 37 build2.exe 32->37         started        40 build3.exe 1 32->40         started        file12 signatures13 process14 file15 93 Detected unpacking (changes PE section rights) 37->93 95 Detected unpacking (overwrites its own PE header) 37->95 97 Injects a PE file into a foreign processes 37->97 43 build2.exe 37->43         started        69 C:\Users\user\AppData\Roaming\...\mstsca.exe, PE32 40->69 dropped 99 Uses schtasks.exe or at.exe to add and modify task schedules 40->99 47 schtasks.exe 1 40->47         started        signatures16 process17 dnsIp18 79 t.me 149.154.167.99, 443, 49698 TELEGRAMRU United Kingdom 43->79 81 78.47.168.170, 49699, 80 HETZNER-ASDE Germany 43->81 113 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 43->113 115 Tries to harvest and steal browser information (history, passwords, etc) 43->115 117 Tries to steal Crypto Currency Wallets 43->117 49 cmd.exe 43->49         started        51 conhost.exe 47->51         started        signatures19 process20 process21 53 conhost.exe 49->53         started        55 timeout.exe 49->55         started       
Threat name:
Win32.Trojan.Smokeloader
Status:
Malicious
First seen:
2023-04-04 01:15:07 UTC
File Type:
PE (Exe)
Extracted files:
16
AV detection:
22 of 24 (91.67%)
Threat level:
  5/5
Verdict:
malicious
Result
Malware family:
Score:
  10/10
Tags:
family:djvu family:vidar botnet:5df88deb5dde677ba658b77ad5f60248 discovery persistence ransomware spyware stealer
Behaviour
Checks processor information in registry
Creates scheduled task(s)
Delays execution with timeout.exe
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
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Modifies file permissions
Reads user/profile data of web browsers
Downloads MZ/PE file
Detected Djvu ransomware
Djvu Ransomware
Vidar
Malware Config
C2 Extraction:
http://zexeq.com/raud/get.php
https://steamcommunity.com/profiles/76561199489580435
https://t.me/tabootalks
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:BitcoinAddress
Author:Didier Stevens (@DidierStevens)
Description:Contains a valid Bitcoin address
Rule name:has_telegram_urls
Author:Aaron DeVera<aaron@backchannel.re>
Description:Detects Telegram URLs
Rule name:MALWARE_Win_STOP
Author:ditekSHen
Description:Detects STOP ransomware
Rule name:pdb_YARAify
Author:@wowabiy314
Description:PDB
Rule name:Suspicious_Macro_Presence
Author:Mehmet Ali Kerimoglu (CYB3RMX)
Description:This rule detects common malicious/suspicious implementations.
Rule name:SUSP_XORed_URL_in_EXE
Author:Florian Roth (Nextron Systems)
Description:Detects an XORed URL in an executable
Reference:https://twitter.com/stvemillertime/status/1237035794973560834
Rule name:SUSP_XORed_URL_in_EXE_RID2E46
Author:Florian Roth
Description:Detects an XORed URL in an executable
Reference:https://twitter.com/stvemillertime/status/1237035794973560834
Rule name:Telegram_Links
Rule name:Windows_Ransomware_Stop_1e8d48ff
Author:Elastic Security
Rule name:win_stop_auto
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.stop.
Rule name:win_vidar_a_6118
Author:Johannes Bader
Description:detect unpacked Vidar samples

File information


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

Web download

Stop

Executable exe 18af63c6046e4fbb41759fd2f1c46e678b67d7b8d0541169d21cb0e99f56d2d1

(this sample)

  
Delivery method
Distributed via web download

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