MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c66908221964a5e47c5340f06e5292fa11cd3637a7e0c4b007fe2e8306382c3e. 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: 17


Intelligence 17 IOCs YARA 9 File information Comments

SHA256 hash: c66908221964a5e47c5340f06e5292fa11cd3637a7e0c4b007fe2e8306382c3e
SHA3-384 hash: e7d5403979849e8c42e32dff192240b494f08237f7323dfd1cce8adabf9d30daad25b6653dcf1f0b86c25ee35daf3269
SHA1 hash: 1e91352ad02b45a92313084a4fda39be383c6809
MD5 hash: f7f0b8459e8a08d11bbb9a7d8e1d0115
humanhash: river-snake-video-leopard
File name:setup.exe
Download: download sample
Signature Stop
File size:820'736 bytes
First seen:2023-03-29 02:07:14 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 25babacd02a2b569479e22be1b5bfe7e (6 x Smoke Loader, 3 x Stop, 1 x Amadey)
ssdeep 12288:PgC94Nyre3sEkj1NjD8oScKTPpVCays6zr8Qq7iCBPyYY28mpSu9:PaNyKhkj1NUoshVDyscrbqOCBaYouSa
Threatray 2'314 similar samples on MalwareBazaar
TLSH T1A805F1021EE17860F61E46728F1EC7F46B1DBC20CE56BB2E1279EE6F09B11B2D252745
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 6141011101252113 (1 x Stop)
Reporter Chainskilabs
Tags:exe Stop

Intelligence


File Origin
# of uploads :
1
# of downloads :
280
Origin country :
US US
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
setup.exe
Verdict:
Malicious activity
Analysis date:
2023-03-29 02:10:01 UTC
Tags:
ransomware stop loader

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
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
azorult crypter greyware lockbit mokes packed ransomx
Result
Verdict:
SUSPICIOUS
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, 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 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 Vidar stealer
Yara detected ZipBomb
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 836912 Sample: setup.exe Startdate: 29/03/2023 Architecture: WINDOWS Score: 100 89 Snort IDS alert for network traffic 2->89 91 Multi AV Scanner detection for domain / URL 2->91 93 Malicious sample detected (through community Yara rule) 2->93 95 10 other signatures 2->95 12 setup.exe 2->12         started        15 setup.exe 2->15         started        17 setup.exe 2->17         started        19 4 other processes 2->19 process3 signatures4 111 Detected unpacking (changes PE section rights) 12->111 113 Detected unpacking (overwrites its own PE header) 12->113 115 Writes a notice file (html or txt) to demand a ransom 12->115 117 Writes many files with high entropy 12->117 21 setup.exe 1 16 12->21         started        119 Injects a PE file into a foreign processes 17->119 25 setup.exe 17->25         started        121 Multi AV Scanner detection for dropped file 19->121 27 setup.exe 19->27         started        29 schtasks.exe 19->29         started        process5 dnsIp6 81 api.2ip.ua 162.0.217.254, 443, 49679, 49680 ACPCA Canada 21->81 63 C:\Users\user\...\setup.exe:Zone.Identifier, ASCII 21->63 dropped 65 C:\Users\user\AppData\Local\...\setup.exe, MS-DOS 21->65 dropped 31 setup.exe 21->31         started        34 icacls.exe 21->34         started        36 conhost.exe 29->36         started        file7 process8 signatures9 123 Injects a PE file into a foreign processes 31->123 38 setup.exe 1 25 31->38         started        process10 dnsIp11 83 zexeq.com 187.170.146.118, 49682, 49683, 80 UninetSAdeCVMX Mexico 38->83 85 uaery.top 211.119.84.111, 49681, 80 LGDACOMLGDACOMCorporationKR Korea Republic of 38->85 87 api.2ip.ua 38->87 67 C:\Users\user\...\UPPS.bin.jywd (copy), PDP-11 38->67 dropped 69 C:\_readme.txt, ASCII 38->69 dropped 71 C:\Users\user\_readme.txt, ASCII 38->71 dropped 73 284 other files (163 malicious) 38->73 dropped 103 Modifies existing user documents (likely ransomware behavior) 38->103 43 build2.exe 38->43         started        46 build3.exe 1 38->46         started        file12 signatures13 process14 file15 105 Detected unpacking (changes PE section rights) 43->105 107 Detected unpacking (overwrites its own PE header) 43->107 49 build2.exe 20 43->49         started        75 C:\Users\user\AppData\Roaming\...\mstsca.exe, PE32 46->75 dropped 109 Uses schtasks.exe or at.exe to add and modify task schedules 46->109 53 schtasks.exe 46->53         started        signatures16 process17 dnsIp18 77 116.202.185.202, 49689, 80 HETZNER-ASDE Germany 49->77 79 t.me 149.154.167.99, 443, 49687 TELEGRAMRU United Kingdom 49->79 97 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 49->97 99 Tries to harvest and steal browser information (history, passwords, etc) 49->99 101 Tries to steal Crypto Currency Wallets 49->101 55 cmd.exe 49->55         started        57 conhost.exe 53->57         started        signatures19 process20 process21 59 conhost.exe 55->59         started        61 timeout.exe 55->61         started       
Threat name:
Win32.Ransomware.Stop
Status:
Malicious
First seen:
2023-03-28 23:39:42 UTC
File Type:
PE (Exe)
Extracted files:
57
AV detection:
17 of 24 (70.83%)
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/test2/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: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.

File information


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

Web download

Stop

Executable exe c66908221964a5e47c5340f06e5292fa11cd3637a7e0c4b007fe2e8306382c3e

(this sample)

  
Delivery method
Distributed via web download

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