MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6c8f66b5a6ee419614e8094b3b6d5435c2049cdc07c987ea84191b3f903ece79. 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: 16


Intelligence 16 IOCs YARA 11 File information Comments

SHA256 hash: 6c8f66b5a6ee419614e8094b3b6d5435c2049cdc07c987ea84191b3f903ece79
SHA3-384 hash: 41f8fd50f3ea1732f64f02f9261ace0ae18b40272ecea50cf8b2997ddc24b749dad78fcda01cb17c240840b521bd01de
SHA1 hash: 65fb1fe567fc20f04844c80510ab14729f975919
MD5 hash: 9bea7dcc6dce7063d4a7d7fbdc531fd4
humanhash: pip-michigan-charlie-nuts
File name:setup.exe
Download: download sample
Signature Stop
File size:711'168 bytes
First seen:2023-04-03 11:43:32 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 0ee9a5ef4366f789036d2435034645ed (4 x Stop, 2 x Rhadamanthys, 2 x DanaBot)
ssdeep 12288:MiFWAMaWPYJwU9pHmWIeYHrdttZtjaikYeMndkhQyix8EuBj7q8GCJD4cyc+AWvg:MMsPYq6IR5B0P74dkhSncv5GC5Ac/
Threatray 1'588 similar samples on MalwareBazaar
TLSH T1D8E4122076D2C4BAEB13A4717029C6A4573AF8F59BAACDC73744077E4F611C0A97E3A1
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 008bc56533134b03 (1 x Stop)
Reporter Chainskilabs
Tags:exe Stop

Intelligence


File Origin
# of uploads :
1
# of downloads :
228
Origin country :
US US
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
setup.exe
Verdict:
Malicious activity
Analysis date:
2023-04-03 11:46:55 UTC
Tags:
ransomware stop loader 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
Sending a custom TCP request
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
SystemUptime
MeasuringTime
CPUID_Instruction
CheckCmdLine
EvasionGetTickCount
EvasionQueryPerformanceCounter
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
greyware lockbit packed ransomx ursnif
Result
Verdict:
UNKNOWN
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:
Babuk, Clipboard Hijacker, Djvu, HTMLPhi
Detection:
malicious
Classification:
rans.spre.phis.troj.spyw.evad
Score:
100 / 100
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
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
Infects executable files (exe, dll, sys, html)
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 Babuk Ransomware
Yara detected Clipboard Hijacker
Yara detected Djvu Ransomware
Yara detected HtmlPhish10
Yara detected Vidar stealer
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 839913 Sample: setup.exe Startdate: 03/04/2023 Architecture: WINDOWS Score: 100 84 Snort IDS alert for network traffic 2->84 86 Multi AV Scanner detection for domain / URL 2->86 88 Malicious sample detected (through community Yara rule) 2->88 90 12 other signatures 2->90 11 setup.exe 2->11         started        14 mstsca.exe 2->14         started        16 setup.exe 2->16         started        process3 signatures4 100 Detected unpacking (changes PE section rights) 11->100 102 Detected unpacking (overwrites its own PE header) 11->102 104 Writes a notice file (html or txt) to demand a ransom 11->104 108 3 other signatures 11->108 18 setup.exe 1 16 11->18         started        106 Multi AV Scanner detection for dropped file 14->106 22 schtasks.exe 14->22         started        process5 dnsIp6 66 api.2ip.ua 162.0.217.254, 443, 49691, 49692 ACPCA Canada 18->66 60 C:\Users\user\...\setup.exe:Zone.Identifier, ASCII 18->60 dropped 62 C:\Users\user\AppData\Local\...\setup.exe, MS-DOS 18->62 dropped 24 setup.exe 18->24         started        27 icacls.exe 18->27         started        29 conhost.exe 22->29         started        file7 process8 signatures9 98 Injects a PE file into a foreign processes 24->98 31 setup.exe 1 24 24->31         started        process10 dnsIp11 74 uaery.top 175.126.109.15, 49693, 80 SKB-ASSKBroadbandCoLtdKR Korea Republic of 31->74 76 zexeq.com 187.245.185.123, 49694, 49695, 80 MegaCableSAdeCVMX Mexico 31->76 78 api.2ip.ua 31->78 52 C:\Users\user\AppData\Local\...\build3[1].exe, PE32 31->52 dropped 54 C:\_readme.txt, ASCII 31->54 dropped 56 C:\Users\user\_readme.txt, ASCII 31->56 dropped 58 212 other malicious files 31->58 dropped 80 Infects executable files (exe, dll, sys, html) 31->80 82 Modifies existing user documents (likely ransomware behavior) 31->82 36 build2.exe 31->36         started        39 build3.exe 1 31->39         started        file12 signatures13 process14 file15 92 Detected unpacking (changes PE section rights) 36->92 94 Detected unpacking (overwrites its own PE header) 36->94 42 build2.exe 18 36->42         started        64 C:\Users\user\AppData\Roaming\...\mstsca.exe, PE32 39->64 dropped 96 Uses schtasks.exe or at.exe to add and modify task schedules 39->96 46 schtasks.exe 1 39->46         started        signatures16 process17 dnsIp18 68 78.47.168.170, 49702, 80 HETZNER-ASDE Germany 42->68 70 t.me 149.154.167.99, 443, 49701 TELEGRAMRU United Kingdom 42->70 72 192.168.2.1 unknown unknown 42->72 110 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 42->110 112 Tries to harvest and steal browser information (history, passwords, etc) 42->112 114 Tries to steal Crypto Currency Wallets 42->114 48 WerFault.exe 42->48         started        50 conhost.exe 46->50         started        signatures19 process20
Threat name:
Win32.Trojan.SmokeLoader
Status:
Malicious
First seen:
2023-04-03 10:27:56 UTC
File Type:
PE (Exe)
Extracted files:
16
AV detection:
20 of 24 (83.33%)
Threat level:
  5/5
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 6c8f66b5a6ee419614e8094b3b6d5435c2049cdc07c987ea84191b3f903ece79

(this sample)

  
Delivery method
Distributed via web download

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